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This commit is contained in:
Ian Christensen
2019-06-27 08:19:59 -07:00
parent ca320c6105
commit 6822968785
435 changed files with 123352 additions and 0 deletions
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system/.DS_Store vendored Normal file
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<IfModule authz_core_module>
Require all denied
</IfModule>
<IfModule !authz_core_module>
Deny from all
</IfModule>

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Benchmark Class
*
* This class enables you to mark points and calculate the time difference
* between them. Memory consumption can also be displayed.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/benchmark.html
*/
class CI_Benchmark {
/**
* List of all benchmark markers
*
* @var array
*/
public $marker = array();
/**
* Set a benchmark marker
*
* Multiple calls to this function can be made so that several
* execution points can be timed.
*
* @param string $name Marker name
* @return void
*/
public function mark($name)
{
$this->marker[$name] = microtime(TRUE);
}
// --------------------------------------------------------------------
/**
* Elapsed time
*
* Calculates the time difference between two marked points.
*
* If the first parameter is empty this function instead returns the
* {elapsed_time} pseudo-variable. This permits the full system
* execution time to be shown in a template. The output class will
* swap the real value for this variable.
*
* @param string $point1 A particular marked point
* @param string $point2 A particular marked point
* @param int $decimals Number of decimal places
*
* @return string Calculated elapsed time on success,
* an '{elapsed_string}' if $point1 is empty
* or an empty string if $point1 is not found.
*/
public function elapsed_time($point1 = '', $point2 = '', $decimals = 4)
{
if ($point1 === '')
{
return '{elapsed_time}';
}
if ( ! isset($this->marker[$point1]))
{
return '';
}
if ( ! isset($this->marker[$point2]))
{
$this->marker[$point2] = microtime(TRUE);
}
return number_format($this->marker[$point2] - $this->marker[$point1], $decimals);
}
// --------------------------------------------------------------------
/**
* Memory Usage
*
* Simply returns the {memory_usage} marker.
*
* This permits it to be put it anywhere in a template
* without the memory being calculated until the end.
* The output class will swap the real value for this variable.
*
* @return string '{memory_usage}'
*/
public function memory_usage()
{
return '{memory_usage}';
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* System Initialization File
*
* Loads the base classes and executes the request.
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Front-controller
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/
*/
/**
* CodeIgniter Version
*
* @var string
*
*/
const CI_VERSION = '3.1.9';
/*
* ------------------------------------------------------
* Load the framework constants
* ------------------------------------------------------
*/
if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/constants.php'))
{
require_once(APPPATH.'config/'.ENVIRONMENT.'/constants.php');
}
if (file_exists(APPPATH.'config/constants.php'))
{
require_once(APPPATH.'config/constants.php');
}
/*
* ------------------------------------------------------
* Load the global functions
* ------------------------------------------------------
*/
require_once(BASEPATH.'core/Common.php');
/*
* ------------------------------------------------------
* Security procedures
* ------------------------------------------------------
*/
if ( ! is_php('5.4'))
{
ini_set('magic_quotes_runtime', 0);
if ((bool) ini_get('register_globals'))
{
$_protected = array(
'_SERVER',
'_GET',
'_POST',
'_FILES',
'_REQUEST',
'_SESSION',
'_ENV',
'_COOKIE',
'GLOBALS',
'HTTP_RAW_POST_DATA',
'system_path',
'application_folder',
'view_folder',
'_protected',
'_registered'
);
$_registered = ini_get('variables_order');
foreach (array('E' => '_ENV', 'G' => '_GET', 'P' => '_POST', 'C' => '_COOKIE', 'S' => '_SERVER') as $key => $superglobal)
{
if (strpos($_registered, $key) === FALSE)
{
continue;
}
foreach (array_keys($$superglobal) as $var)
{
if (isset($GLOBALS[$var]) && ! in_array($var, $_protected, TRUE))
{
$GLOBALS[$var] = NULL;
}
}
}
}
}
/*
* ------------------------------------------------------
* Define a custom error handler so we can log PHP errors
* ------------------------------------------------------
*/
set_error_handler('_error_handler');
set_exception_handler('_exception_handler');
register_shutdown_function('_shutdown_handler');
/*
* ------------------------------------------------------
* Set the subclass_prefix
* ------------------------------------------------------
*
* Normally the "subclass_prefix" is set in the config file.
* The subclass prefix allows CI to know if a core class is
* being extended via a library in the local application
* "libraries" folder. Since CI allows config items to be
* overridden via data set in the main index.php file,
* before proceeding we need to know if a subclass_prefix
* override exists. If so, we will set this value now,
* before any classes are loaded
* Note: Since the config file data is cached it doesn't
* hurt to load it here.
*/
if ( ! empty($assign_to_config['subclass_prefix']))
{
get_config(array('subclass_prefix' => $assign_to_config['subclass_prefix']));
}
/*
* ------------------------------------------------------
* Should we use a Composer autoloader?
* ------------------------------------------------------
*/
if ($composer_autoload = config_item('composer_autoload'))
{
if ($composer_autoload === TRUE)
{
file_exists(APPPATH.'vendor/autoload.php')
? require_once(APPPATH.'vendor/autoload.php')
: log_message('error', '$config[\'composer_autoload\'] is set to TRUE but '.APPPATH.'vendor/autoload.php was not found.');
}
elseif (file_exists($composer_autoload))
{
require_once($composer_autoload);
}
else
{
log_message('error', 'Could not find the specified $config[\'composer_autoload\'] path: '.$composer_autoload);
}
}
/*
* ------------------------------------------------------
* Start the timer... tick tock tick tock...
* ------------------------------------------------------
*/
$BM =& load_class('Benchmark', 'core');
$BM->mark('total_execution_time_start');
$BM->mark('loading_time:_base_classes_start');
/*
* ------------------------------------------------------
* Instantiate the hooks class
* ------------------------------------------------------
*/
$EXT =& load_class('Hooks', 'core');
/*
* ------------------------------------------------------
* Is there a "pre_system" hook?
* ------------------------------------------------------
*/
$EXT->call_hook('pre_system');
/*
* ------------------------------------------------------
* Instantiate the config class
* ------------------------------------------------------
*
* Note: It is important that Config is loaded first as
* most other classes depend on it either directly or by
* depending on another class that uses it.
*
*/
$CFG =& load_class('Config', 'core');
// Do we have any manually set config items in the index.php file?
if (isset($assign_to_config) && is_array($assign_to_config))
{
foreach ($assign_to_config as $key => $value)
{
$CFG->set_item($key, $value);
}
}
/*
* ------------------------------------------------------
* Important charset-related stuff
* ------------------------------------------------------
*
* Configure mbstring and/or iconv if they are enabled
* and set MB_ENABLED and ICONV_ENABLED constants, so
* that we don't repeatedly do extension_loaded() or
* function_exists() calls.
*
* Note: UTF-8 class depends on this. It used to be done
* in it's constructor, but it's _not_ class-specific.
*
*/
$charset = strtoupper(config_item('charset'));
ini_set('default_charset', $charset);
if (extension_loaded('mbstring'))
{
define('MB_ENABLED', TRUE);
// mbstring.internal_encoding is deprecated starting with PHP 5.6
// and it's usage triggers E_DEPRECATED messages.
@ini_set('mbstring.internal_encoding', $charset);
// This is required for mb_convert_encoding() to strip invalid characters.
// That's utilized by CI_Utf8, but it's also done for consistency with iconv.
mb_substitute_character('none');
}
else
{
define('MB_ENABLED', FALSE);
}
// There's an ICONV_IMPL constant, but the PHP manual says that using
// iconv's predefined constants is "strongly discouraged".
if (extension_loaded('iconv'))
{
define('ICONV_ENABLED', TRUE);
// iconv.internal_encoding is deprecated starting with PHP 5.6
// and it's usage triggers E_DEPRECATED messages.
@ini_set('iconv.internal_encoding', $charset);
}
else
{
define('ICONV_ENABLED', FALSE);
}
if (is_php('5.6'))
{
ini_set('php.internal_encoding', $charset);
}
/*
* ------------------------------------------------------
* Load compatibility features
* ------------------------------------------------------
*/
require_once(BASEPATH.'core/compat/mbstring.php');
require_once(BASEPATH.'core/compat/hash.php');
require_once(BASEPATH.'core/compat/password.php');
require_once(BASEPATH.'core/compat/standard.php');
/*
* ------------------------------------------------------
* Instantiate the UTF-8 class
* ------------------------------------------------------
*/
$UNI =& load_class('Utf8', 'core');
/*
* ------------------------------------------------------
* Instantiate the URI class
* ------------------------------------------------------
*/
$URI =& load_class('URI', 'core');
/*
* ------------------------------------------------------
* Instantiate the routing class and set the routing
* ------------------------------------------------------
*/
$RTR =& load_class('Router', 'core', isset($routing) ? $routing : NULL);
/*
* ------------------------------------------------------
* Instantiate the output class
* ------------------------------------------------------
*/
$OUT =& load_class('Output', 'core');
/*
* ------------------------------------------------------
* Is there a valid cache file? If so, we're done...
* ------------------------------------------------------
*/
if ($EXT->call_hook('cache_override') === FALSE && $OUT->_display_cache($CFG, $URI) === TRUE)
{
exit;
}
/*
* -----------------------------------------------------
* Load the security class for xss and csrf support
* -----------------------------------------------------
*/
$SEC =& load_class('Security', 'core');
/*
* ------------------------------------------------------
* Load the Input class and sanitize globals
* ------------------------------------------------------
*/
$IN =& load_class('Input', 'core');
/*
* ------------------------------------------------------
* Load the Language class
* ------------------------------------------------------
*/
$LANG =& load_class('Lang', 'core');
/*
* ------------------------------------------------------
* Load the app controller and local controller
* ------------------------------------------------------
*
*/
// Load the base controller class
require_once BASEPATH.'core/Controller.php';
/**
* Reference to the CI_Controller method.
*
* Returns current CI instance object
*
* @return CI_Controller
*/
function &get_instance()
{
return CI_Controller::get_instance();
}
if (file_exists(APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php'))
{
require_once APPPATH.'core/'.$CFG->config['subclass_prefix'].'Controller.php';
}
// Set a mark point for benchmarking
$BM->mark('loading_time:_base_classes_end');
/*
* ------------------------------------------------------
* Sanity checks
* ------------------------------------------------------
*
* The Router class has already validated the request,
* leaving us with 3 options here:
*
* 1) an empty class name, if we reached the default
* controller, but it didn't exist;
* 2) a query string which doesn't go through a
* file_exists() check
* 3) a regular request for a non-existing page
*
* We handle all of these as a 404 error.
*
* Furthermore, none of the methods in the app controller
* or the loader class can be called via the URI, nor can
* controller methods that begin with an underscore.
*/
$e404 = FALSE;
$class = ucfirst($RTR->class);
$method = $RTR->method;
if (empty($class) OR ! file_exists(APPPATH.'controllers/'.$RTR->directory.$class.'.php'))
{
$e404 = TRUE;
}
else
{
require_once(APPPATH.'controllers/'.$RTR->directory.$class.'.php');
if ( ! class_exists($class, FALSE) OR $method[0] === '_' OR method_exists('CI_Controller', $method))
{
$e404 = TRUE;
}
elseif (method_exists($class, '_remap'))
{
$params = array($method, array_slice($URI->rsegments, 2));
$method = '_remap';
}
elseif ( ! method_exists($class, $method))
{
$e404 = TRUE;
}
/**
* DO NOT CHANGE THIS, NOTHING ELSE WORKS!
*
* - method_exists() returns true for non-public methods, which passes the previous elseif
* - is_callable() returns false for PHP 4-style constructors, even if there's a __construct()
* - method_exists($class, '__construct') won't work because CI_Controller::__construct() is inherited
* - People will only complain if this doesn't work, even though it is documented that it shouldn't.
*
* ReflectionMethod::isConstructor() is the ONLY reliable check,
* knowing which method will be executed as a constructor.
*/
elseif ( ! is_callable(array($class, $method)))
{
$reflection = new ReflectionMethod($class, $method);
if ( ! $reflection->isPublic() OR $reflection->isConstructor())
{
$e404 = TRUE;
}
}
}
if ($e404)
{
if ( ! empty($RTR->routes['404_override']))
{
if (sscanf($RTR->routes['404_override'], '%[^/]/%s', $error_class, $error_method) !== 2)
{
$error_method = 'index';
}
$error_class = ucfirst($error_class);
if ( ! class_exists($error_class, FALSE))
{
if (file_exists(APPPATH.'controllers/'.$RTR->directory.$error_class.'.php'))
{
require_once(APPPATH.'controllers/'.$RTR->directory.$error_class.'.php');
$e404 = ! class_exists($error_class, FALSE);
}
// Were we in a directory? If so, check for a global override
elseif ( ! empty($RTR->directory) && file_exists(APPPATH.'controllers/'.$error_class.'.php'))
{
require_once(APPPATH.'controllers/'.$error_class.'.php');
if (($e404 = ! class_exists($error_class, FALSE)) === FALSE)
{
$RTR->directory = '';
}
}
}
else
{
$e404 = FALSE;
}
}
// Did we reset the $e404 flag? If so, set the rsegments, starting from index 1
if ( ! $e404)
{
$class = $error_class;
$method = $error_method;
$URI->rsegments = array(
1 => $class,
2 => $method
);
}
else
{
show_404($RTR->directory.$class.'/'.$method);
}
}
if ($method !== '_remap')
{
$params = array_slice($URI->rsegments, 2);
}
/*
* ------------------------------------------------------
* Is there a "pre_controller" hook?
* ------------------------------------------------------
*/
$EXT->call_hook('pre_controller');
/*
* ------------------------------------------------------
* Instantiate the requested controller
* ------------------------------------------------------
*/
// Mark a start point so we can benchmark the controller
$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_start');
$CI = new $class();
/*
* ------------------------------------------------------
* Is there a "post_controller_constructor" hook?
* ------------------------------------------------------
*/
$EXT->call_hook('post_controller_constructor');
/*
* ------------------------------------------------------
* Call the requested method
* ------------------------------------------------------
*/
call_user_func_array(array(&$CI, $method), $params);
// Mark a benchmark end point
$BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end');
/*
* ------------------------------------------------------
* Is there a "post_controller" hook?
* ------------------------------------------------------
*/
$EXT->call_hook('post_controller');
/*
* ------------------------------------------------------
* Send the final rendered output to the browser
* ------------------------------------------------------
*/
if ($EXT->call_hook('display_override') === FALSE)
{
$OUT->_display();
}
/*
* ------------------------------------------------------
* Is there a "post_system" hook?
* ------------------------------------------------------
*/
$EXT->call_hook('post_system');

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Common Functions
*
* Loads the base classes and executes the request.
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Common Functions
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/
*/
// ------------------------------------------------------------------------
if ( ! function_exists('is_php'))
{
/**
* Determines if the current version of PHP is equal to or greater than the supplied value
*
* @param string
* @return bool TRUE if the current version is $version or higher
*/
function is_php($version)
{
static $_is_php;
$version = (string) $version;
if ( ! isset($_is_php[$version]))
{
$_is_php[$version] = version_compare(PHP_VERSION, $version, '>=');
}
return $_is_php[$version];
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('is_really_writable'))
{
/**
* Tests for file writability
*
* is_writable() returns TRUE on Windows servers when you really can't write to
* the file, based on the read-only attribute. is_writable() is also unreliable
* on Unix servers if safe_mode is on.
*
* @link https://bugs.php.net/bug.php?id=54709
* @param string
* @return bool
*/
function is_really_writable($file)
{
// If we're on a Unix server with safe_mode off we call is_writable
if (DIRECTORY_SEPARATOR === '/' && (is_php('5.4') OR ! ini_get('safe_mode')))
{
return is_writable($file);
}
/* For Windows servers and safe_mode "on" installations we'll actually
* write a file then read it. Bah...
*/
if (is_dir($file))
{
$file = rtrim($file, '/').'/'.md5(mt_rand());
if (($fp = @fopen($file, 'ab')) === FALSE)
{
return FALSE;
}
fclose($fp);
@chmod($file, 0777);
@unlink($file);
return TRUE;
}
elseif ( ! is_file($file) OR ($fp = @fopen($file, 'ab')) === FALSE)
{
return FALSE;
}
fclose($fp);
return TRUE;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('load_class'))
{
/**
* Class registry
*
* This function acts as a singleton. If the requested class does not
* exist it is instantiated and set to a static variable. If it has
* previously been instantiated the variable is returned.
*
* @param string the class name being requested
* @param string the directory where the class should be found
* @param mixed an optional argument to pass to the class constructor
* @return object
*/
function &load_class($class, $directory = 'libraries', $param = NULL)
{
static $_classes = array();
// Does the class exist? If so, we're done...
if (isset($_classes[$class]))
{
return $_classes[$class];
}
$name = FALSE;
// Look for the class first in the local application/libraries folder
// then in the native system/libraries folder
foreach (array(APPPATH, BASEPATH) as $path)
{
if (file_exists($path.$directory.'/'.$class.'.php'))
{
$name = 'CI_'.$class;
if (class_exists($name, FALSE) === FALSE)
{
require_once($path.$directory.'/'.$class.'.php');
}
break;
}
}
// Is the request a class extension? If so we load it too
if (file_exists(APPPATH.$directory.'/'.config_item('subclass_prefix').$class.'.php'))
{
$name = config_item('subclass_prefix').$class;
if (class_exists($name, FALSE) === FALSE)
{
require_once(APPPATH.$directory.'/'.$name.'.php');
}
}
// Did we find the class?
if ($name === FALSE)
{
// Note: We use exit() rather than show_error() in order to avoid a
// self-referencing loop with the Exceptions class
set_status_header(503);
echo 'Unable to locate the specified class: '.$class.'.php';
exit(5); // EXIT_UNK_CLASS
}
// Keep track of what we just loaded
is_loaded($class);
$_classes[$class] = isset($param)
? new $name($param)
: new $name();
return $_classes[$class];
}
}
// --------------------------------------------------------------------
if ( ! function_exists('is_loaded'))
{
/**
* Keeps track of which libraries have been loaded. This function is
* called by the load_class() function above
*
* @param string
* @return array
*/
function &is_loaded($class = '')
{
static $_is_loaded = array();
if ($class !== '')
{
$_is_loaded[strtolower($class)] = $class;
}
return $_is_loaded;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('get_config'))
{
/**
* Loads the main config.php file
*
* This function lets us grab the config file even if the Config class
* hasn't been instantiated yet
*
* @param array
* @return array
*/
function &get_config(Array $replace = array())
{
static $config;
if (empty($config))
{
$file_path = APPPATH.'config/config.php';
$found = FALSE;
if (file_exists($file_path))
{
$found = TRUE;
require($file_path);
}
// Is the config file in the environment folder?
if (file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/config.php'))
{
require($file_path);
}
elseif ( ! $found)
{
set_status_header(503);
echo 'The configuration file does not exist.';
exit(3); // EXIT_CONFIG
}
// Does the $config array exist in the file?
if ( ! isset($config) OR ! is_array($config))
{
set_status_header(503);
echo 'Your config file does not appear to be formatted correctly.';
exit(3); // EXIT_CONFIG
}
}
// Are any values being dynamically added or replaced?
foreach ($replace as $key => $val)
{
$config[$key] = $val;
}
return $config;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('config_item'))
{
/**
* Returns the specified config item
*
* @param string
* @return mixed
*/
function config_item($item)
{
static $_config;
if (empty($_config))
{
// references cannot be directly assigned to static variables, so we use an array
$_config[0] =& get_config();
}
return isset($_config[0][$item]) ? $_config[0][$item] : NULL;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('get_mimes'))
{
/**
* Returns the MIME types array from config/mimes.php
*
* @return array
*/
function &get_mimes()
{
static $_mimes;
if (empty($_mimes))
{
$_mimes = file_exists(APPPATH.'config/mimes.php')
? include(APPPATH.'config/mimes.php')
: array();
if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
{
$_mimes = array_merge($_mimes, include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'));
}
}
return $_mimes;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('is_https'))
{
/**
* Is HTTPS?
*
* Determines if the application is accessed via an encrypted
* (HTTPS) connection.
*
* @return bool
*/
function is_https()
{
if ( ! empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) !== 'off')
{
return TRUE;
}
elseif (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) === 'https')
{
return TRUE;
}
elseif ( ! empty($_SERVER['HTTP_FRONT_END_HTTPS']) && strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) !== 'off')
{
return TRUE;
}
return FALSE;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('is_cli'))
{
/**
* Is CLI?
*
* Test to see if a request was made from the command line.
*
* @return bool
*/
function is_cli()
{
return (PHP_SAPI === 'cli' OR defined('STDIN'));
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('show_error'))
{
/**
* Error Handler
*
* This function lets us invoke the exception class and
* display errors using the standard error template located
* in application/views/errors/error_general.php
* This function will send the error page directly to the
* browser and exit.
*
* @param string
* @param int
* @param string
* @return void
*/
function show_error($message, $status_code = 500, $heading = 'An Error Was Encountered')
{
$status_code = abs($status_code);
if ($status_code < 100)
{
$exit_status = $status_code + 9; // 9 is EXIT__AUTO_MIN
$status_code = 500;
}
else
{
$exit_status = 1; // EXIT_ERROR
}
$_error =& load_class('Exceptions', 'core');
echo $_error->show_error($heading, $message, 'error_general', $status_code);
exit($exit_status);
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('show_404'))
{
/**
* 404 Page Handler
*
* This function is similar to the show_error() function above
* However, instead of the standard error template it displays
* 404 errors.
*
* @param string
* @param bool
* @return void
*/
function show_404($page = '', $log_error = TRUE)
{
$_error =& load_class('Exceptions', 'core');
$_error->show_404($page, $log_error);
exit(4); // EXIT_UNKNOWN_FILE
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('log_message'))
{
/**
* Error Logging Interface
*
* We use this as a simple mechanism to access the logging
* class and send messages to be logged.
*
* @param string the error level: 'error', 'debug' or 'info'
* @param string the error message
* @return void
*/
function log_message($level, $message)
{
static $_log;
if ($_log === NULL)
{
// references cannot be directly assigned to static variables, so we use an array
$_log[0] =& load_class('Log', 'core');
}
$_log[0]->write_log($level, $message);
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('set_status_header'))
{
/**
* Set HTTP Status Header
*
* @param int the status code
* @param string
* @return void
*/
function set_status_header($code = 200, $text = '')
{
if (is_cli())
{
return;
}
if (empty($code) OR ! is_numeric($code))
{
show_error('Status codes must be numeric', 500);
}
if (empty($text))
{
is_int($code) OR $code = (int) $code;
$stati = array(
100 => 'Continue',
101 => 'Switching Protocols',
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authoritative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
307 => 'Temporary Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Timeout',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition Failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Long',
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
422 => 'Unprocessable Entity',
426 => 'Upgrade Required',
428 => 'Precondition Required',
429 => 'Too Many Requests',
431 => 'Request Header Fields Too Large',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'HTTP Version Not Supported',
511 => 'Network Authentication Required',
);
if (isset($stati[$code]))
{
$text = $stati[$code];
}
else
{
show_error('No status text available. Please check your status code number or supply your own message text.', 500);
}
}
if (strpos(PHP_SAPI, 'cgi') === 0)
{
header('Status: '.$code.' '.$text, TRUE);
return;
}
$server_protocol = (isset($_SERVER['SERVER_PROTOCOL']) && in_array($_SERVER['SERVER_PROTOCOL'], array('HTTP/1.0', 'HTTP/1.1', 'HTTP/2'), TRUE))
? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.1';
header($server_protocol.' '.$code.' '.$text, TRUE, $code);
}
}
// --------------------------------------------------------------------
if ( ! function_exists('_error_handler'))
{
/**
* Error Handler
*
* This is the custom error handler that is declared at the (relative)
* top of CodeIgniter.php. The main reason we use this is to permit
* PHP errors to be logged in our own log files since the user may
* not have access to server logs. Since this function effectively
* intercepts PHP errors, however, we also need to display errors
* based on the current error_reporting level.
* We do that with the use of a PHP error template.
*
* @param int $severity
* @param string $message
* @param string $filepath
* @param int $line
* @return void
*/
function _error_handler($severity, $message, $filepath, $line)
{
$is_error = (((E_ERROR | E_PARSE | E_COMPILE_ERROR | E_CORE_ERROR | E_USER_ERROR) & $severity) === $severity);
// When an error occurred, set the status header to '500 Internal Server Error'
// to indicate to the client something went wrong.
// This can't be done within the $_error->show_php_error method because
// it is only called when the display_errors flag is set (which isn't usually
// the case in a production environment) or when errors are ignored because
// they are above the error_reporting threshold.
if ($is_error)
{
set_status_header(500);
}
// Should we ignore the error? We'll get the current error_reporting
// level and add its bits with the severity bits to find out.
if (($severity & error_reporting()) !== $severity)
{
return;
}
$_error =& load_class('Exceptions', 'core');
$_error->log_exception($severity, $message, $filepath, $line);
// Should we display the error?
if (str_ireplace(array('off', 'none', 'no', 'false', 'null'), '', ini_get('display_errors')))
{
$_error->show_php_error($severity, $message, $filepath, $line);
}
// If the error is fatal, the execution of the script should be stopped because
// errors can't be recovered from. Halting the script conforms with PHP's
// default error handling. See http://www.php.net/manual/en/errorfunc.constants.php
if ($is_error)
{
exit(1); // EXIT_ERROR
}
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('_exception_handler'))
{
/**
* Exception Handler
*
* Sends uncaught exceptions to the logger and displays them
* only if display_errors is On so that they don't show up in
* production environments.
*
* @param Exception $exception
* @return void
*/
function _exception_handler($exception)
{
$_error =& load_class('Exceptions', 'core');
$_error->log_exception('error', 'Exception: '.$exception->getMessage(), $exception->getFile(), $exception->getLine());
is_cli() OR set_status_header(500);
// Should we display the error?
if (str_ireplace(array('off', 'none', 'no', 'false', 'null'), '', ini_get('display_errors')))
{
$_error->show_exception($exception);
}
exit(1); // EXIT_ERROR
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('_shutdown_handler'))
{
/**
* Shutdown Handler
*
* This is the shutdown handler that is declared at the top
* of CodeIgniter.php. The main reason we use this is to simulate
* a complete custom exception handler.
*
* E_STRICT is purposively neglected because such events may have
* been caught. Duplication or none? None is preferred for now.
*
* @link http://insomanic.me.uk/post/229851073/php-trick-catching-fatal-errors-e-error-with-a
* @return void
*/
function _shutdown_handler()
{
$last_error = error_get_last();
if (isset($last_error) &&
($last_error['type'] & (E_ERROR | E_PARSE | E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_COMPILE_WARNING)))
{
_error_handler($last_error['type'], $last_error['message'], $last_error['file'], $last_error['line']);
}
}
}
// --------------------------------------------------------------------
if ( ! function_exists('remove_invisible_characters'))
{
/**
* Remove Invisible Characters
*
* This prevents sandwiching null characters
* between ascii characters, like Java\0script.
*
* @param string
* @param bool
* @return string
*/
function remove_invisible_characters($str, $url_encoded = TRUE)
{
$non_displayables = array();
// every control character except newline (dec 10),
// carriage return (dec 13) and horizontal tab (dec 09)
if ($url_encoded)
{
$non_displayables[] = '/%0[0-8bcef]/i'; // url encoded 00-08, 11, 12, 14, 15
$non_displayables[] = '/%1[0-9a-f]/i'; // url encoded 16-31
$non_displayables[] = '/%7f/i'; // url encoded 127
}
$non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S'; // 00-08, 11, 12, 14-31, 127
do
{
$str = preg_replace($non_displayables, '', $str, -1, $count);
}
while ($count);
return $str;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('html_escape'))
{
/**
* Returns HTML escaped variable.
*
* @param mixed $var The input string or array of strings to be escaped.
* @param bool $double_encode $double_encode set to FALSE prevents escaping twice.
* @return mixed The escaped string or array of strings as a result.
*/
function html_escape($var, $double_encode = TRUE)
{
if (empty($var))
{
return $var;
}
if (is_array($var))
{
foreach (array_keys($var) as $key)
{
$var[$key] = html_escape($var[$key], $double_encode);
}
return $var;
}
return htmlspecialchars($var, ENT_QUOTES, config_item('charset'), $double_encode);
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('_stringify_attributes'))
{
/**
* Stringify attributes for use in HTML tags.
*
* Helper function used to convert a string, array, or object
* of attributes to a string.
*
* @param mixed string, array, object
* @param bool
* @return string
*/
function _stringify_attributes($attributes, $js = FALSE)
{
$atts = NULL;
if (empty($attributes))
{
return $atts;
}
if (is_string($attributes))
{
return ' '.$attributes;
}
$attributes = (array) $attributes;
foreach ($attributes as $key => $val)
{
$atts .= ($js) ? $key.'='.$val.',' : ' '.$key.'="'.$val.'"';
}
return rtrim($atts, ',');
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('function_usable'))
{
/**
* Function usable
*
* Executes a function_exists() check, and if the Suhosin PHP
* extension is loaded - checks whether the function that is
* checked might be disabled in there as well.
*
* This is useful as function_exists() will return FALSE for
* functions disabled via the *disable_functions* php.ini
* setting, but not for *suhosin.executor.func.blacklist* and
* *suhosin.executor.disable_eval*. These settings will just
* terminate script execution if a disabled function is executed.
*
* The above described behavior turned out to be a bug in Suhosin,
* but even though a fix was committed for 0.9.34 on 2012-02-12,
* that version is yet to be released. This function will therefore
* be just temporary, but would probably be kept for a few years.
*
* @link http://www.hardened-php.net/suhosin/
* @param string $function_name Function to check for
* @return bool TRUE if the function exists and is safe to call,
* FALSE otherwise.
*/
function function_usable($function_name)
{
static $_suhosin_func_blacklist;
if (function_exists($function_name))
{
if ( ! isset($_suhosin_func_blacklist))
{
$_suhosin_func_blacklist = extension_loaded('suhosin')
? explode(',', trim(ini_get('suhosin.executor.func.blacklist')))
: array();
}
return ! in_array($function_name, $_suhosin_func_blacklist, TRUE);
}
return FALSE;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Config Class
*
* This class contains functions that enable config files to be managed
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/config.html
*/
class CI_Config {
/**
* List of all loaded config values
*
* @var array
*/
public $config = array();
/**
* List of all loaded config files
*
* @var array
*/
public $is_loaded = array();
/**
* List of paths to search when trying to load a config file.
*
* @used-by CI_Loader
* @var array
*/
public $_config_paths = array(APPPATH);
// --------------------------------------------------------------------
/**
* Class constructor
*
* Sets the $config data from the primary config.php file as a class variable.
*
* @return void
*/
public function __construct()
{
$this->config =& get_config();
// Set the base_url automatically if none was provided
if (empty($this->config['base_url']))
{
if (isset($_SERVER['SERVER_ADDR']))
{
if (strpos($_SERVER['SERVER_ADDR'], ':') !== FALSE)
{
$server_addr = '['.$_SERVER['SERVER_ADDR'].']';
}
else
{
$server_addr = $_SERVER['SERVER_ADDR'];
}
$base_url = (is_https() ? 'https' : 'http').'://'.$server_addr
.substr($_SERVER['SCRIPT_NAME'], 0, strpos($_SERVER['SCRIPT_NAME'], basename($_SERVER['SCRIPT_FILENAME'])));
}
else
{
$base_url = 'http://localhost/';
}
$this->set_item('base_url', $base_url);
}
log_message('info', 'Config Class Initialized');
}
// --------------------------------------------------------------------
/**
* Load Config File
*
* @param string $file Configuration file name
* @param bool $use_sections Whether configuration values should be loaded into their own section
* @param bool $fail_gracefully Whether to just return FALSE or display an error message
* @return bool TRUE if the file was loaded correctly or FALSE on failure
*/
public function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
{
$file = ($file === '') ? 'config' : str_replace('.php', '', $file);
$loaded = FALSE;
foreach ($this->_config_paths as $path)
{
foreach (array($file, ENVIRONMENT.DIRECTORY_SEPARATOR.$file) as $location)
{
$file_path = $path.'config/'.$location.'.php';
if (in_array($file_path, $this->is_loaded, TRUE))
{
return TRUE;
}
if ( ! file_exists($file_path))
{
continue;
}
include($file_path);
if ( ! isset($config) OR ! is_array($config))
{
if ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('Your '.$file_path.' file does not appear to contain a valid configuration array.');
}
if ($use_sections === TRUE)
{
$this->config[$file] = isset($this->config[$file])
? array_merge($this->config[$file], $config)
: $config;
}
else
{
$this->config = array_merge($this->config, $config);
}
$this->is_loaded[] = $file_path;
$config = NULL;
$loaded = TRUE;
log_message('debug', 'Config file loaded: '.$file_path);
}
}
if ($loaded === TRUE)
{
return TRUE;
}
elseif ($fail_gracefully === TRUE)
{
return FALSE;
}
show_error('The configuration file '.$file.'.php does not exist.');
}
// --------------------------------------------------------------------
/**
* Fetch a config file item
*
* @param string $item Config item name
* @param string $index Index name
* @return string|null The configuration item or NULL if the item doesn't exist
*/
public function item($item, $index = '')
{
if ($index == '')
{
return isset($this->config[$item]) ? $this->config[$item] : NULL;
}
return isset($this->config[$index], $this->config[$index][$item]) ? $this->config[$index][$item] : NULL;
}
// --------------------------------------------------------------------
/**
* Fetch a config file item with slash appended (if not empty)
*
* @param string $item Config item name
* @return string|null The configuration item or NULL if the item doesn't exist
*/
public function slash_item($item)
{
if ( ! isset($this->config[$item]))
{
return NULL;
}
elseif (trim($this->config[$item]) === '')
{
return '';
}
return rtrim($this->config[$item], '/').'/';
}
// --------------------------------------------------------------------
/**
* Site URL
*
* Returns base_url . index_page [. uri_string]
*
* @uses CI_Config::_uri_string()
*
* @param string|string[] $uri URI string or an array of segments
* @param string $protocol
* @return string
*/
public function site_url($uri = '', $protocol = NULL)
{
$base_url = $this->slash_item('base_url');
if (isset($protocol))
{
// For protocol-relative links
if ($protocol === '')
{
$base_url = substr($base_url, strpos($base_url, '//'));
}
else
{
$base_url = $protocol.substr($base_url, strpos($base_url, '://'));
}
}
if (empty($uri))
{
return $base_url.$this->item('index_page');
}
$uri = $this->_uri_string($uri);
if ($this->item('enable_query_strings') === FALSE)
{
$suffix = isset($this->config['url_suffix']) ? $this->config['url_suffix'] : '';
if ($suffix !== '')
{
if (($offset = strpos($uri, '?')) !== FALSE)
{
$uri = substr($uri, 0, $offset).$suffix.substr($uri, $offset);
}
else
{
$uri .= $suffix;
}
}
return $base_url.$this->slash_item('index_page').$uri;
}
elseif (strpos($uri, '?') === FALSE)
{
$uri = '?'.$uri;
}
return $base_url.$this->item('index_page').$uri;
}
// -------------------------------------------------------------
/**
* Base URL
*
* Returns base_url [. uri_string]
*
* @uses CI_Config::_uri_string()
*
* @param string|string[] $uri URI string or an array of segments
* @param string $protocol
* @return string
*/
public function base_url($uri = '', $protocol = NULL)
{
$base_url = $this->slash_item('base_url');
if (isset($protocol))
{
// For protocol-relative links
if ($protocol === '')
{
$base_url = substr($base_url, strpos($base_url, '//'));
}
else
{
$base_url = $protocol.substr($base_url, strpos($base_url, '://'));
}
}
return $base_url.$this->_uri_string($uri);
}
// -------------------------------------------------------------
/**
* Build URI string
*
* @used-by CI_Config::site_url()
* @used-by CI_Config::base_url()
*
* @param string|string[] $uri URI string or an array of segments
* @return string
*/
protected function _uri_string($uri)
{
if ($this->item('enable_query_strings') === FALSE)
{
is_array($uri) && $uri = implode('/', $uri);
return ltrim($uri, '/');
}
elseif (is_array($uri))
{
return http_build_query($uri);
}
return $uri;
}
// --------------------------------------------------------------------
/**
* System URL
*
* @deprecated 3.0.0 Encourages insecure practices
* @return string
*/
public function system_url()
{
$x = explode('/', preg_replace('|/*(.+?)/*$|', '\\1', BASEPATH));
return $this->slash_item('base_url').end($x).'/';
}
// --------------------------------------------------------------------
/**
* Set a config file item
*
* @param string $item Config item key
* @param string $value Config item value
* @return void
*/
public function set_item($item, $value)
{
$this->config[$item] = $value;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Application Controller Class
*
* This class object is the super class that every library in
* CodeIgniter will be assigned to.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/general/controllers.html
*/
class CI_Controller {
/**
* Reference to the CI singleton
*
* @var object
*/
private static $instance;
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
self::$instance =& $this;
// Assign all the class objects that were instantiated by the
// bootstrap file (CodeIgniter.php) to local class variables
// so that CI can run as one big super object.
foreach (is_loaded() as $var => $class)
{
$this->$var =& load_class($class);
}
$this->load =& load_class('Loader', 'core');
$this->load->initialize();
log_message('info', 'Controller Class Initialized');
}
// --------------------------------------------------------------------
/**
* Get the CI singleton
*
* @static
* @return object
*/
public static function &get_instance()
{
return self::$instance;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Exceptions Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Exceptions
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/exceptions.html
*/
class CI_Exceptions {
/**
* Nesting level of the output buffering mechanism
*
* @var int
*/
public $ob_level;
/**
* List of available error levels
*
* @var array
*/
public $levels = array(
E_ERROR => 'Error',
E_WARNING => 'Warning',
E_PARSE => 'Parsing Error',
E_NOTICE => 'Notice',
E_CORE_ERROR => 'Core Error',
E_CORE_WARNING => 'Core Warning',
E_COMPILE_ERROR => 'Compile Error',
E_COMPILE_WARNING => 'Compile Warning',
E_USER_ERROR => 'User Error',
E_USER_WARNING => 'User Warning',
E_USER_NOTICE => 'User Notice',
E_STRICT => 'Runtime Notice'
);
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
$this->ob_level = ob_get_level();
// Note: Do not log messages from this constructor.
}
// --------------------------------------------------------------------
/**
* Exception Logger
*
* Logs PHP generated error messages
*
* @param int $severity Log level
* @param string $message Error message
* @param string $filepath File path
* @param int $line Line number
* @return void
*/
public function log_exception($severity, $message, $filepath, $line)
{
$severity = isset($this->levels[$severity]) ? $this->levels[$severity] : $severity;
log_message('error', 'Severity: '.$severity.' --> '.$message.' '.$filepath.' '.$line);
}
// --------------------------------------------------------------------
/**
* 404 Error Handler
*
* @uses CI_Exceptions::show_error()
*
* @param string $page Page URI
* @param bool $log_error Whether to log the error
* @return void
*/
public function show_404($page = '', $log_error = TRUE)
{
if (is_cli())
{
$heading = 'Not Found';
$message = 'The controller/method pair you requested was not found.';
}
else
{
$heading = '404 Page Not Found';
$message = 'The page you requested was not found.';
}
// By default we log this, but allow a dev to skip it
if ($log_error)
{
log_message('error', $heading.': '.$page);
}
echo $this->show_error($heading, $message, 'error_404', 404);
exit(4); // EXIT_UNKNOWN_FILE
}
// --------------------------------------------------------------------
/**
* General Error Page
*
* Takes an error message as input (either as a string or an array)
* and displays it using the specified template.
*
* @param string $heading Page heading
* @param string|string[] $message Error message
* @param string $template Template name
* @param int $status_code (default: 500)
*
* @return string Error page output
*/
public function show_error($heading, $message, $template = 'error_general', $status_code = 500)
{
$templates_path = config_item('error_views_path');
if (empty($templates_path))
{
$templates_path = VIEWPATH.'errors'.DIRECTORY_SEPARATOR;
}
if (is_cli())
{
$message = "\t".(is_array($message) ? implode("\n\t", $message) : $message);
$template = 'cli'.DIRECTORY_SEPARATOR.$template;
}
else
{
set_status_header($status_code);
$message = '<p>'.(is_array($message) ? implode('</p><p>', $message) : $message).'</p>';
$template = 'html'.DIRECTORY_SEPARATOR.$template;
}
if (ob_get_level() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include($templates_path.$template.'.php');
$buffer = ob_get_contents();
ob_end_clean();
return $buffer;
}
// --------------------------------------------------------------------
public function show_exception($exception)
{
$templates_path = config_item('error_views_path');
if (empty($templates_path))
{
$templates_path = VIEWPATH.'errors'.DIRECTORY_SEPARATOR;
}
$message = $exception->getMessage();
if (empty($message))
{
$message = '(null)';
}
if (is_cli())
{
$templates_path .= 'cli'.DIRECTORY_SEPARATOR;
}
else
{
$templates_path .= 'html'.DIRECTORY_SEPARATOR;
}
if (ob_get_level() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include($templates_path.'error_exception.php');
$buffer = ob_get_contents();
ob_end_clean();
echo $buffer;
}
// --------------------------------------------------------------------
/**
* Native PHP error handler
*
* @param int $severity Error level
* @param string $message Error message
* @param string $filepath File path
* @param int $line Line number
* @return void
*/
public function show_php_error($severity, $message, $filepath, $line)
{
$templates_path = config_item('error_views_path');
if (empty($templates_path))
{
$templates_path = VIEWPATH.'errors'.DIRECTORY_SEPARATOR;
}
$severity = isset($this->levels[$severity]) ? $this->levels[$severity] : $severity;
// For safety reasons we don't show the full file path in non-CLI requests
if ( ! is_cli())
{
$filepath = str_replace('\\', '/', $filepath);
if (FALSE !== strpos($filepath, '/'))
{
$x = explode('/', $filepath);
$filepath = $x[count($x)-2].'/'.end($x);
}
$template = 'html'.DIRECTORY_SEPARATOR.'error_php';
}
else
{
$template = 'cli'.DIRECTORY_SEPARATOR.'error_php';
}
if (ob_get_level() > $this->ob_level + 1)
{
ob_end_flush();
}
ob_start();
include($templates_path.$template.'.php');
$buffer = ob_get_contents();
ob_end_clean();
echo $buffer;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Hooks Class
*
* Provides a mechanism to extend the base system without hacking.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/general/hooks.html
*/
class CI_Hooks {
/**
* Determines whether hooks are enabled
*
* @var bool
*/
public $enabled = FALSE;
/**
* List of all hooks set in config/hooks.php
*
* @var array
*/
public $hooks = array();
/**
* Array with class objects to use hooks methods
*
* @var array
*/
protected $_objects = array();
/**
* In progress flag
*
* Determines whether hook is in progress, used to prevent infinte loops
*
* @var bool
*/
protected $_in_progress = FALSE;
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
$CFG =& load_class('Config', 'core');
log_message('info', 'Hooks Class Initialized');
// If hooks are not enabled in the config file
// there is nothing else to do
if ($CFG->item('enable_hooks') === FALSE)
{
return;
}
// Grab the "hooks" definition file.
if (file_exists(APPPATH.'config/hooks.php'))
{
include(APPPATH.'config/hooks.php');
}
if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/hooks.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/hooks.php');
}
// If there are no hooks, we're done.
if ( ! isset($hook) OR ! is_array($hook))
{
return;
}
$this->hooks =& $hook;
$this->enabled = TRUE;
}
// --------------------------------------------------------------------
/**
* Call Hook
*
* Calls a particular hook. Called by CodeIgniter.php.
*
* @uses CI_Hooks::_run_hook()
*
* @param string $which Hook name
* @return bool TRUE on success or FALSE on failure
*/
public function call_hook($which = '')
{
if ( ! $this->enabled OR ! isset($this->hooks[$which]))
{
return FALSE;
}
if (is_array($this->hooks[$which]) && ! isset($this->hooks[$which]['function']))
{
foreach ($this->hooks[$which] as $val)
{
$this->_run_hook($val);
}
}
else
{
$this->_run_hook($this->hooks[$which]);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Run Hook
*
* Runs a particular hook
*
* @param array $data Hook details
* @return bool TRUE on success or FALSE on failure
*/
protected function _run_hook($data)
{
// Closures/lambda functions and array($object, 'method') callables
if (is_callable($data))
{
is_array($data)
? $data[0]->{$data[1]}()
: $data();
return TRUE;
}
elseif ( ! is_array($data))
{
return FALSE;
}
// -----------------------------------
// Safety - Prevents run-away loops
// -----------------------------------
// If the script being called happens to have the same
// hook call within it a loop can happen
if ($this->_in_progress === TRUE)
{
return;
}
// -----------------------------------
// Set file path
// -----------------------------------
if ( ! isset($data['filepath'], $data['filename']))
{
return FALSE;
}
$filepath = APPPATH.$data['filepath'].'/'.$data['filename'];
if ( ! file_exists($filepath))
{
return FALSE;
}
// Determine and class and/or function names
$class = empty($data['class']) ? FALSE : $data['class'];
$function = empty($data['function']) ? FALSE : $data['function'];
$params = isset($data['params']) ? $data['params'] : '';
if (empty($function))
{
return FALSE;
}
// Set the _in_progress flag
$this->_in_progress = TRUE;
// Call the requested class and/or function
if ($class !== FALSE)
{
// The object is stored?
if (isset($this->_objects[$class]))
{
if (method_exists($this->_objects[$class], $function))
{
$this->_objects[$class]->$function($params);
}
else
{
return $this->_in_progress = FALSE;
}
}
else
{
class_exists($class, FALSE) OR require_once($filepath);
if ( ! class_exists($class, FALSE) OR ! method_exists($class, $function))
{
return $this->_in_progress = FALSE;
}
// Store the object and execute the method
$this->_objects[$class] = new $class();
$this->_objects[$class]->$function($params);
}
}
else
{
function_exists($function) OR require_once($filepath);
if ( ! function_exists($function))
{
return $this->_in_progress = FALSE;
}
$function($params);
}
$this->_in_progress = FALSE;
return TRUE;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Input Class
*
* Pre-processes global input data for security
*
* @package CodeIgniter
* @subpackage Libraries
* @category Input
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/input.html
*/
class CI_Input {
/**
* IP address of the current user
*
* @var string
*/
protected $ip_address = FALSE;
/**
* Allow GET array flag
*
* If set to FALSE, then $_GET will be set to an empty array.
*
* @var bool
*/
protected $_allow_get_array = TRUE;
/**
* Standardize new lines flag
*
* If set to TRUE, then newlines are standardized.
*
* @var bool
*/
protected $_standardize_newlines;
/**
* Enable XSS flag
*
* Determines whether the XSS filter is always active when
* GET, POST or COOKIE data is encountered.
* Set automatically based on config setting.
*
* @var bool
*/
protected $_enable_xss = FALSE;
/**
* Enable CSRF flag
*
* Enables a CSRF cookie token to be set.
* Set automatically based on config setting.
*
* @var bool
*/
protected $_enable_csrf = FALSE;
/**
* List of all HTTP request headers
*
* @var array
*/
protected $headers = array();
/**
* Raw input stream data
*
* Holds a cache of php://input contents
*
* @var string
*/
protected $_raw_input_stream;
/**
* Parsed input stream data
*
* Parsed from php://input at runtime
*
* @see CI_Input::input_stream()
* @var array
*/
protected $_input_stream;
protected $security;
protected $uni;
// --------------------------------------------------------------------
/**
* Class constructor
*
* Determines whether to globally enable the XSS processing
* and whether to allow the $_GET array.
*
* @return void
*/
public function __construct()
{
$this->_allow_get_array = (config_item('allow_get_array') !== FALSE);
$this->_enable_xss = (config_item('global_xss_filtering') === TRUE);
$this->_enable_csrf = (config_item('csrf_protection') === TRUE);
$this->_standardize_newlines = (bool) config_item('standardize_newlines');
$this->security =& load_class('Security', 'core');
// Do we need the UTF-8 class?
if (UTF8_ENABLED === TRUE)
{
$this->uni =& load_class('Utf8', 'core');
}
// Sanitize global arrays
$this->_sanitize_globals();
// CSRF Protection check
if ($this->_enable_csrf === TRUE && ! is_cli())
{
$this->security->csrf_verify();
}
log_message('info', 'Input Class Initialized');
}
// --------------------------------------------------------------------
/**
* Fetch from array
*
* Internal method used to retrieve values from global arrays.
*
* @param array &$array $_GET, $_POST, $_COOKIE, $_SERVER, etc.
* @param mixed $index Index for item to be fetched from $array
* @param bool $xss_clean Whether to apply XSS filtering
* @return mixed
*/
protected function _fetch_from_array(&$array, $index = NULL, $xss_clean = NULL)
{
is_bool($xss_clean) OR $xss_clean = $this->_enable_xss;
// If $index is NULL, it means that the whole $array is requested
isset($index) OR $index = array_keys($array);
// allow fetching multiple keys at once
if (is_array($index))
{
$output = array();
foreach ($index as $key)
{
$output[$key] = $this->_fetch_from_array($array, $key, $xss_clean);
}
return $output;
}
if (isset($array[$index]))
{
$value = $array[$index];
}
elseif (($count = preg_match_all('/(?:^[^\[]+)|\[[^]]*\]/', $index, $matches)) > 1) // Does the index contain array notation
{
$value = $array;
for ($i = 0; $i < $count; $i++)
{
$key = trim($matches[0][$i], '[]');
if ($key === '') // Empty notation will return the value as array
{
break;
}
if (isset($value[$key]))
{
$value = $value[$key];
}
else
{
return NULL;
}
}
}
else
{
return NULL;
}
return ($xss_clean === TRUE)
? $this->security->xss_clean($value)
: $value;
}
// --------------------------------------------------------------------
/**
* Fetch an item from the GET array
*
* @param mixed $index Index for item to be fetched from $_GET
* @param bool $xss_clean Whether to apply XSS filtering
* @return mixed
*/
public function get($index = NULL, $xss_clean = NULL)
{
return $this->_fetch_from_array($_GET, $index, $xss_clean);
}
// --------------------------------------------------------------------
/**
* Fetch an item from the POST array
*
* @param mixed $index Index for item to be fetched from $_POST
* @param bool $xss_clean Whether to apply XSS filtering
* @return mixed
*/
public function post($index = NULL, $xss_clean = NULL)
{
return $this->_fetch_from_array($_POST, $index, $xss_clean);
}
// --------------------------------------------------------------------
/**
* Fetch an item from POST data with fallback to GET
*
* @param string $index Index for item to be fetched from $_POST or $_GET
* @param bool $xss_clean Whether to apply XSS filtering
* @return mixed
*/
public function post_get($index, $xss_clean = NULL)
{
return isset($_POST[$index])
? $this->post($index, $xss_clean)
: $this->get($index, $xss_clean);
}
// --------------------------------------------------------------------
/**
* Fetch an item from GET data with fallback to POST
*
* @param string $index Index for item to be fetched from $_GET or $_POST
* @param bool $xss_clean Whether to apply XSS filtering
* @return mixed
*/
public function get_post($index, $xss_clean = NULL)
{
return isset($_GET[$index])
? $this->get($index, $xss_clean)
: $this->post($index, $xss_clean);
}
// --------------------------------------------------------------------
/**
* Fetch an item from the COOKIE array
*
* @param mixed $index Index for item to be fetched from $_COOKIE
* @param bool $xss_clean Whether to apply XSS filtering
* @return mixed
*/
public function cookie($index = NULL, $xss_clean = NULL)
{
return $this->_fetch_from_array($_COOKIE, $index, $xss_clean);
}
// --------------------------------------------------------------------
/**
* Fetch an item from the SERVER array
*
* @param mixed $index Index for item to be fetched from $_SERVER
* @param bool $xss_clean Whether to apply XSS filtering
* @return mixed
*/
public function server($index, $xss_clean = NULL)
{
return $this->_fetch_from_array($_SERVER, $index, $xss_clean);
}
// ------------------------------------------------------------------------
/**
* Fetch an item from the php://input stream
*
* Useful when you need to access PUT, DELETE or PATCH request data.
*
* @param string $index Index for item to be fetched
* @param bool $xss_clean Whether to apply XSS filtering
* @return mixed
*/
public function input_stream($index = NULL, $xss_clean = NULL)
{
// Prior to PHP 5.6, the input stream can only be read once,
// so we'll need to check if we have already done that first.
if ( ! is_array($this->_input_stream))
{
// $this->raw_input_stream will trigger __get().
parse_str($this->raw_input_stream, $this->_input_stream);
is_array($this->_input_stream) OR $this->_input_stream = array();
}
return $this->_fetch_from_array($this->_input_stream, $index, $xss_clean);
}
// ------------------------------------------------------------------------
/**
* Set cookie
*
* Accepts an arbitrary number of parameters (up to 7) or an associative
* array in the first parameter containing all the values.
*
* @param string|mixed[] $name Cookie name or an array containing parameters
* @param string $value Cookie value
* @param int $expire Cookie expiration time in seconds
* @param string $domain Cookie domain (e.g.: '.yourdomain.com')
* @param string $path Cookie path (default: '/')
* @param string $prefix Cookie name prefix
* @param bool $secure Whether to only transfer cookies via SSL
* @param bool $httponly Whether to only makes the cookie accessible via HTTP (no javascript)
* @return void
*/
public function set_cookie($name, $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = NULL, $httponly = NULL)
{
if (is_array($name))
{
// always leave 'name' in last place, as the loop will break otherwise, due to $$item
foreach (array('value', 'expire', 'domain', 'path', 'prefix', 'secure', 'httponly', 'name') as $item)
{
if (isset($name[$item]))
{
$$item = $name[$item];
}
}
}
if ($prefix === '' && config_item('cookie_prefix') !== '')
{
$prefix = config_item('cookie_prefix');
}
if ($domain == '' && config_item('cookie_domain') != '')
{
$domain = config_item('cookie_domain');
}
if ($path === '/' && config_item('cookie_path') !== '/')
{
$path = config_item('cookie_path');
}
$secure = ($secure === NULL && config_item('cookie_secure') !== NULL)
? (bool) config_item('cookie_secure')
: (bool) $secure;
$httponly = ($httponly === NULL && config_item('cookie_httponly') !== NULL)
? (bool) config_item('cookie_httponly')
: (bool) $httponly;
if ( ! is_numeric($expire))
{
$expire = time() - 86500;
}
else
{
$expire = ($expire > 0) ? time() + $expire : 0;
}
setcookie($prefix.$name, $value, $expire, $path, $domain, $secure, $httponly);
}
// --------------------------------------------------------------------
/**
* Fetch the IP Address
*
* Determines and validates the visitor's IP address.
*
* @return string IP address
*/
public function ip_address()
{
if ($this->ip_address !== FALSE)
{
return $this->ip_address;
}
$proxy_ips = config_item('proxy_ips');
if ( ! empty($proxy_ips) && ! is_array($proxy_ips))
{
$proxy_ips = explode(',', str_replace(' ', '', $proxy_ips));
}
$this->ip_address = $this->server('REMOTE_ADDR');
if ($proxy_ips)
{
foreach (array('HTTP_X_FORWARDED_FOR', 'HTTP_CLIENT_IP', 'HTTP_X_CLIENT_IP', 'HTTP_X_CLUSTER_CLIENT_IP') as $header)
{
if (($spoof = $this->server($header)) !== NULL)
{
// Some proxies typically list the whole chain of IP
// addresses through which the client has reached us.
// e.g. client_ip, proxy_ip1, proxy_ip2, etc.
sscanf($spoof, '%[^,]', $spoof);
if ( ! $this->valid_ip($spoof))
{
$spoof = NULL;
}
else
{
break;
}
}
}
if ($spoof)
{
for ($i = 0, $c = count($proxy_ips); $i < $c; $i++)
{
// Check if we have an IP address or a subnet
if (strpos($proxy_ips[$i], '/') === FALSE)
{
// An IP address (and not a subnet) is specified.
// We can compare right away.
if ($proxy_ips[$i] === $this->ip_address)
{
$this->ip_address = $spoof;
break;
}
continue;
}
// We have a subnet ... now the heavy lifting begins
isset($separator) OR $separator = $this->valid_ip($this->ip_address, 'ipv6') ? ':' : '.';
// If the proxy entry doesn't match the IP protocol - skip it
if (strpos($proxy_ips[$i], $separator) === FALSE)
{
continue;
}
// Convert the REMOTE_ADDR IP address to binary, if needed
if ( ! isset($ip, $sprintf))
{
if ($separator === ':')
{
// Make sure we're have the "full" IPv6 format
$ip = explode(':',
str_replace('::',
str_repeat(':', 9 - substr_count($this->ip_address, ':')),
$this->ip_address
)
);
for ($j = 0; $j < 8; $j++)
{
$ip[$j] = intval($ip[$j], 16);
}
$sprintf = '%016b%016b%016b%016b%016b%016b%016b%016b';
}
else
{
$ip = explode('.', $this->ip_address);
$sprintf = '%08b%08b%08b%08b';
}
$ip = vsprintf($sprintf, $ip);
}
// Split the netmask length off the network address
sscanf($proxy_ips[$i], '%[^/]/%d', $netaddr, $masklen);
// Again, an IPv6 address is most likely in a compressed form
if ($separator === ':')
{
$netaddr = explode(':', str_replace('::', str_repeat(':', 9 - substr_count($netaddr, ':')), $netaddr));
for ($j = 0; $j < 8; $j++)
{
$netaddr[$j] = intval($netaddr[$j], 16);
}
}
else
{
$netaddr = explode('.', $netaddr);
}
// Convert to binary and finally compare
if (strncmp($ip, vsprintf($sprintf, $netaddr), $masklen) === 0)
{
$this->ip_address = $spoof;
break;
}
}
}
}
if ( ! $this->valid_ip($this->ip_address))
{
return $this->ip_address = '0.0.0.0';
}
return $this->ip_address;
}
// --------------------------------------------------------------------
/**
* Validate IP Address
*
* @param string $ip IP address
* @param string $which IP protocol: 'ipv4' or 'ipv6'
* @return bool
*/
public function valid_ip($ip, $which = '')
{
switch (strtolower($which))
{
case 'ipv4':
$which = FILTER_FLAG_IPV4;
break;
case 'ipv6':
$which = FILTER_FLAG_IPV6;
break;
default:
$which = NULL;
break;
}
return (bool) filter_var($ip, FILTER_VALIDATE_IP, $which);
}
// --------------------------------------------------------------------
/**
* Fetch User Agent string
*
* @return string|null User Agent string or NULL if it doesn't exist
*/
public function user_agent($xss_clean = NULL)
{
return $this->_fetch_from_array($_SERVER, 'HTTP_USER_AGENT', $xss_clean);
}
// --------------------------------------------------------------------
/**
* Sanitize Globals
*
* Internal method serving for the following purposes:
*
* - Unsets $_GET data, if query strings are not enabled
* - Cleans POST, COOKIE and SERVER data
* - Standardizes newline characters to PHP_EOL
*
* @return void
*/
protected function _sanitize_globals()
{
// Is $_GET data allowed? If not we'll set the $_GET to an empty array
if ($this->_allow_get_array === FALSE)
{
$_GET = array();
}
elseif (is_array($_GET))
{
foreach ($_GET as $key => $val)
{
$_GET[$this->_clean_input_keys($key)] = $this->_clean_input_data($val);
}
}
// Clean $_POST Data
if (is_array($_POST))
{
foreach ($_POST as $key => $val)
{
$_POST[$this->_clean_input_keys($key)] = $this->_clean_input_data($val);
}
}
// Clean $_COOKIE Data
if (is_array($_COOKIE))
{
// Also get rid of specially treated cookies that might be set by a server
// or silly application, that are of no use to a CI application anyway
// but that when present will trip our 'Disallowed Key Characters' alarm
// http://www.ietf.org/rfc/rfc2109.txt
// note that the key names below are single quoted strings, and are not PHP variables
unset(
$_COOKIE['$Version'],
$_COOKIE['$Path'],
$_COOKIE['$Domain']
);
foreach ($_COOKIE as $key => $val)
{
if (($cookie_key = $this->_clean_input_keys($key)) !== FALSE)
{
$_COOKIE[$cookie_key] = $this->_clean_input_data($val);
}
else
{
unset($_COOKIE[$key]);
}
}
}
// Sanitize PHP_SELF
$_SERVER['PHP_SELF'] = strip_tags($_SERVER['PHP_SELF']);
log_message('debug', 'Global POST, GET and COOKIE data sanitized');
}
// --------------------------------------------------------------------
/**
* Clean Input Data
*
* Internal method that aids in escaping data and
* standardizing newline characters to PHP_EOL.
*
* @param string|string[] $str Input string(s)
* @return string
*/
protected function _clean_input_data($str)
{
if (is_array($str))
{
$new_array = array();
foreach (array_keys($str) as $key)
{
$new_array[$this->_clean_input_keys($key)] = $this->_clean_input_data($str[$key]);
}
return $new_array;
}
/* We strip slashes if magic quotes is on to keep things consistent
NOTE: In PHP 5.4 get_magic_quotes_gpc() will always return 0 and
it will probably not exist in future versions at all.
*/
if ( ! is_php('5.4') && get_magic_quotes_gpc())
{
$str = stripslashes($str);
}
// Clean UTF-8 if supported
if (UTF8_ENABLED === TRUE)
{
$str = $this->uni->clean_string($str);
}
// Remove control characters
$str = remove_invisible_characters($str, FALSE);
// Standardize newlines if needed
if ($this->_standardize_newlines === TRUE)
{
return preg_replace('/(?:\r\n|[\r\n])/', PHP_EOL, $str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Clean Keys
*
* Internal method that helps to prevent malicious users
* from trying to exploit keys we make sure that keys are
* only named with alpha-numeric text and a few other items.
*
* @param string $str Input string
* @param bool $fatal Whether to terminate script exection
* or to return FALSE if an invalid
* key is encountered
* @return string|bool
*/
protected function _clean_input_keys($str, $fatal = TRUE)
{
if ( ! preg_match('/^[a-z0-9:_\/|-]+$/i', $str))
{
if ($fatal === TRUE)
{
return FALSE;
}
else
{
set_status_header(503);
echo 'Disallowed Key Characters.';
exit(7); // EXIT_USER_INPUT
}
}
// Clean UTF-8 if supported
if (UTF8_ENABLED === TRUE)
{
return $this->uni->clean_string($str);
}
return $str;
}
// --------------------------------------------------------------------
/**
* Request Headers
*
* @param bool $xss_clean Whether to apply XSS filtering
* @return array
*/
public function request_headers($xss_clean = FALSE)
{
// If header is already defined, return it immediately
if ( ! empty($this->headers))
{
return $this->_fetch_from_array($this->headers, NULL, $xss_clean);
}
// In Apache, you can simply call apache_request_headers()
if (function_exists('apache_request_headers'))
{
$this->headers = apache_request_headers();
}
else
{
isset($_SERVER['CONTENT_TYPE']) && $this->headers['Content-Type'] = $_SERVER['CONTENT_TYPE'];
foreach ($_SERVER as $key => $val)
{
if (sscanf($key, 'HTTP_%s', $header) === 1)
{
// take SOME_HEADER and turn it into Some-Header
$header = str_replace('_', ' ', strtolower($header));
$header = str_replace(' ', '-', ucwords($header));
$this->headers[$header] = $_SERVER[$key];
}
}
}
return $this->_fetch_from_array($this->headers, NULL, $xss_clean);
}
// --------------------------------------------------------------------
/**
* Get Request Header
*
* Returns the value of a single member of the headers class member
*
* @param string $index Header name
* @param bool $xss_clean Whether to apply XSS filtering
* @return string|null The requested header on success or NULL on failure
*/
public function get_request_header($index, $xss_clean = FALSE)
{
static $headers;
if ( ! isset($headers))
{
empty($this->headers) && $this->request_headers();
foreach ($this->headers as $key => $value)
{
$headers[strtolower($key)] = $value;
}
}
$index = strtolower($index);
if ( ! isset($headers[$index]))
{
return NULL;
}
return ($xss_clean === TRUE)
? $this->security->xss_clean($headers[$index])
: $headers[$index];
}
// --------------------------------------------------------------------
/**
* Is AJAX request?
*
* Test to see if a request contains the HTTP_X_REQUESTED_WITH header.
*
* @return bool
*/
public function is_ajax_request()
{
return ( ! empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest');
}
// --------------------------------------------------------------------
/**
* Is CLI request?
*
* Test to see if a request was made from the command line.
*
* @deprecated 3.0.0 Use is_cli() instead
* @return bool
*/
public function is_cli_request()
{
return is_cli();
}
// --------------------------------------------------------------------
/**
* Get Request Method
*
* Return the request method
*
* @param bool $upper Whether to return in upper or lower case
* (default: FALSE)
* @return string
*/
public function method($upper = FALSE)
{
return ($upper)
? strtoupper($this->server('REQUEST_METHOD'))
: strtolower($this->server('REQUEST_METHOD'));
}
// ------------------------------------------------------------------------
/**
* Magic __get()
*
* Allows read access to protected properties
*
* @param string $name
* @return mixed
*/
public function __get($name)
{
if ($name === 'raw_input_stream')
{
isset($this->_raw_input_stream) OR $this->_raw_input_stream = file_get_contents('php://input');
return $this->_raw_input_stream;
}
elseif ($name === 'ip_address')
{
return $this->ip_address;
}
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Language Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Language
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/language.html
*/
class CI_Lang {
/**
* List of translations
*
* @var array
*/
public $language = array();
/**
* List of loaded language files
*
* @var array
*/
public $is_loaded = array();
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
log_message('info', 'Language Class Initialized');
}
// --------------------------------------------------------------------
/**
* Load a language file
*
* @param mixed $langfile Language file name
* @param string $idiom Language name (english, etc.)
* @param bool $return Whether to return the loaded array of translations
* @param bool $add_suffix Whether to add suffix to $langfile
* @param string $alt_path Alternative path to look for the language file
*
* @return void|string[] Array containing translations, if $return is set to TRUE
*/
public function load($langfile, $idiom = '', $return = FALSE, $add_suffix = TRUE, $alt_path = '')
{
if (is_array($langfile))
{
foreach ($langfile as $value)
{
$this->load($value, $idiom, $return, $add_suffix, $alt_path);
}
return;
}
$langfile = str_replace('.php', '', $langfile);
if ($add_suffix === TRUE)
{
$langfile = preg_replace('/_lang$/', '', $langfile).'_lang';
}
$langfile .= '.php';
if (empty($idiom) OR ! preg_match('/^[a-z_-]+$/i', $idiom))
{
$config =& get_config();
$idiom = empty($config['language']) ? 'english' : $config['language'];
}
if ($return === FALSE && isset($this->is_loaded[$langfile]) && $this->is_loaded[$langfile] === $idiom)
{
return;
}
// Load the base file, so any others found can override it
$basepath = BASEPATH.'language/'.$idiom.'/'.$langfile;
if (($found = file_exists($basepath)) === TRUE)
{
include($basepath);
}
// Do we have an alternative path to look in?
if ($alt_path !== '')
{
$alt_path .= 'language/'.$idiom.'/'.$langfile;
if (file_exists($alt_path))
{
include($alt_path);
$found = TRUE;
}
}
else
{
foreach (get_instance()->load->get_package_paths(TRUE) as $package_path)
{
$package_path .= 'language/'.$idiom.'/'.$langfile;
if ($basepath !== $package_path && file_exists($package_path))
{
include($package_path);
$found = TRUE;
break;
}
}
}
if ($found !== TRUE)
{
show_error('Unable to load the requested language file: language/'.$idiom.'/'.$langfile);
}
if ( ! isset($lang) OR ! is_array($lang))
{
log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile);
if ($return === TRUE)
{
return array();
}
return;
}
if ($return === TRUE)
{
return $lang;
}
$this->is_loaded[$langfile] = $idiom;
$this->language = array_merge($this->language, $lang);
log_message('info', 'Language file loaded: language/'.$idiom.'/'.$langfile);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Language line
*
* Fetches a single line of text from the language array
*
* @param string $line Language line key
* @param bool $log_errors Whether to log an error message if the line is not found
* @return string Translation
*/
public function line($line, $log_errors = TRUE)
{
$value = isset($this->language[$line]) ? $this->language[$line] : FALSE;
// Because killer robots like unicorns!
if ($value === FALSE && $log_errors === TRUE)
{
log_message('error', 'Could not find the language line "'.$line.'"');
}
return $value;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Logging Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Logging
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/general/errors.html
*/
class CI_Log {
/**
* Path to save log files
*
* @var string
*/
protected $_log_path;
/**
* File permissions
*
* @var int
*/
protected $_file_permissions = 0644;
/**
* Level of logging
*
* @var int
*/
protected $_threshold = 1;
/**
* Array of threshold levels to log
*
* @var array
*/
protected $_threshold_array = array();
/**
* Format of timestamp for log files
*
* @var string
*/
protected $_date_fmt = 'Y-m-d H:i:s';
/**
* Filename extension
*
* @var string
*/
protected $_file_ext;
/**
* Whether or not the logger can write to the log files
*
* @var bool
*/
protected $_enabled = TRUE;
/**
* Predefined logging levels
*
* @var array
*/
protected $_levels = array('ERROR' => 1, 'DEBUG' => 2, 'INFO' => 3, 'ALL' => 4);
/**
* mbstring.func_overload flag
*
* @var bool
*/
protected static $func_overload;
// --------------------------------------------------------------------
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
$config =& get_config();
isset(self::$func_overload) OR self::$func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'));
$this->_log_path = ($config['log_path'] !== '') ? $config['log_path'] : APPPATH.'logs/';
$this->_file_ext = (isset($config['log_file_extension']) && $config['log_file_extension'] !== '')
? ltrim($config['log_file_extension'], '.') : 'php';
file_exists($this->_log_path) OR mkdir($this->_log_path, 0755, TRUE);
if ( ! is_dir($this->_log_path) OR ! is_really_writable($this->_log_path))
{
$this->_enabled = FALSE;
}
if (is_numeric($config['log_threshold']))
{
$this->_threshold = (int) $config['log_threshold'];
}
elseif (is_array($config['log_threshold']))
{
$this->_threshold = 0;
$this->_threshold_array = array_flip($config['log_threshold']);
}
if ( ! empty($config['log_date_format']))
{
$this->_date_fmt = $config['log_date_format'];
}
if ( ! empty($config['log_file_permissions']) && is_int($config['log_file_permissions']))
{
$this->_file_permissions = $config['log_file_permissions'];
}
}
// --------------------------------------------------------------------
/**
* Write Log File
*
* Generally this function will be called using the global log_message() function
*
* @param string $level The error level: 'error', 'debug' or 'info'
* @param string $msg The error message
* @return bool
*/
public function write_log($level, $msg)
{
if ($this->_enabled === FALSE)
{
return FALSE;
}
$level = strtoupper($level);
if (( ! isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
&& ! isset($this->_threshold_array[$this->_levels[$level]]))
{
return FALSE;
}
$filepath = $this->_log_path.'log-'.date('Y-m-d').'.'.$this->_file_ext;
$message = '';
if ( ! file_exists($filepath))
{
$newfile = TRUE;
// Only add protection to php files
if ($this->_file_ext === 'php')
{
$message .= "<?php defined('BASEPATH') OR exit('No direct script access allowed'); ?>\n\n";
}
}
if ( ! $fp = @fopen($filepath, 'ab'))
{
return FALSE;
}
flock($fp, LOCK_EX);
// Instantiating DateTime with microseconds appended to initial date is needed for proper support of this format
if (strpos($this->_date_fmt, 'u') !== FALSE)
{
$microtime_full = microtime(TRUE);
$microtime_short = sprintf("%06d", ($microtime_full - floor($microtime_full)) * 1000000);
$date = new DateTime(date('Y-m-d H:i:s.'.$microtime_short, $microtime_full));
$date = $date->format($this->_date_fmt);
}
else
{
$date = date($this->_date_fmt);
}
$message .= $this->_format_line($level, $date, $msg);
for ($written = 0, $length = self::strlen($message); $written < $length; $written += $result)
{
if (($result = fwrite($fp, self::substr($message, $written))) === FALSE)
{
break;
}
}
flock($fp, LOCK_UN);
fclose($fp);
if (isset($newfile) && $newfile === TRUE)
{
chmod($filepath, $this->_file_permissions);
}
return is_int($result);
}
// --------------------------------------------------------------------
/**
* Format the log line.
*
* This is for extensibility of log formatting
* If you want to change the log format, extend the CI_Log class and override this method
*
* @param string $level The error level
* @param string $date Formatted date string
* @param string $message The log message
* @return string Formatted log line with a new line character '\n' at the end
*/
protected function _format_line($level, $date, $message)
{
return $level.' - '.$date.' --> '.$message."\n";
}
// --------------------------------------------------------------------
/**
* Byte-safe strlen()
*
* @param string $str
* @return int
*/
protected static function strlen($str)
{
return (self::$func_overload)
? mb_strlen($str, '8bit')
: strlen($str);
}
// --------------------------------------------------------------------
/**
* Byte-safe substr()
*
* @param string $str
* @param int $start
* @param int $length
* @return string
*/
protected static function substr($str, $start, $length = NULL)
{
if (self::$func_overload)
{
// mb_substr($str, $start, null, '8bit') returns an empty
// string on PHP 5.3
isset($length) OR $length = ($start >= 0 ? self::strlen($str) - $start : -$start);
return mb_substr($str, $start, $length, '8bit');
}
return isset($length)
? substr($str, $start, $length)
: substr($str, $start);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Model Class
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/config.html
*/
class CI_Model {
/**
* Class constructor
*
* @link https://github.com/bcit-ci/CodeIgniter/issues/5332
* @return void
*/
public function __construct() {}
/**
* __get magic
*
* Allows models to access CI's loaded classes using the same
* syntax as controllers.
*
* @param string $key
*/
public function __get($key)
{
// Debugging note:
// If you're here because you're getting an error message
// saying 'Undefined Property: system/core/Model.php', it's
// most likely a typo in your model code.
return get_instance()->$key;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Output Class
*
* Responsible for sending final output to the browser.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Output
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/output.html
*/
class CI_Output {
/**
* Final output string
*
* @var string
*/
public $final_output;
/**
* Cache expiration time
*
* @var int
*/
public $cache_expiration = 0;
/**
* List of server headers
*
* @var array
*/
public $headers = array();
/**
* List of mime types
*
* @var array
*/
public $mimes = array();
/**
* Mime-type for the current page
*
* @var string
*/
protected $mime_type = 'text/html';
/**
* Enable Profiler flag
*
* @var bool
*/
public $enable_profiler = FALSE;
/**
* php.ini zlib.output_compression flag
*
* @var bool
*/
protected $_zlib_oc = FALSE;
/**
* CI output compression flag
*
* @var bool
*/
protected $_compress_output = FALSE;
/**
* List of profiler sections
*
* @var array
*/
protected $_profiler_sections = array();
/**
* Parse markers flag
*
* Whether or not to parse variables like {elapsed_time} and {memory_usage}.
*
* @var bool
*/
public $parse_exec_vars = TRUE;
/**
* mbstring.func_overload flag
*
* @var bool
*/
protected static $func_overload;
/**
* Class constructor
*
* Determines whether zLib output compression will be used.
*
* @return void
*/
public function __construct()
{
$this->_zlib_oc = (bool) ini_get('zlib.output_compression');
$this->_compress_output = (
$this->_zlib_oc === FALSE
&& config_item('compress_output') === TRUE
&& extension_loaded('zlib')
);
isset(self::$func_overload) OR self::$func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'));
// Get mime types for later
$this->mimes =& get_mimes();
log_message('info', 'Output Class Initialized');
}
// --------------------------------------------------------------------
/**
* Get Output
*
* Returns the current output string.
*
* @return string
*/
public function get_output()
{
return $this->final_output;
}
// --------------------------------------------------------------------
/**
* Set Output
*
* Sets the output string.
*
* @param string $output Output data
* @return CI_Output
*/
public function set_output($output)
{
$this->final_output = $output;
return $this;
}
// --------------------------------------------------------------------
/**
* Append Output
*
* Appends data onto the output string.
*
* @param string $output Data to append
* @return CI_Output
*/
public function append_output($output)
{
$this->final_output .= $output;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Header
*
* Lets you set a server header which will be sent with the final output.
*
* Note: If a file is cached, headers will not be sent.
* @todo We need to figure out how to permit headers to be cached.
*
* @param string $header Header
* @param bool $replace Whether to replace the old header value, if already set
* @return CI_Output
*/
public function set_header($header, $replace = TRUE)
{
// If zlib.output_compression is enabled it will compress the output,
// but it will not modify the content-length header to compensate for
// the reduction, causing the browser to hang waiting for more data.
// We'll just skip content-length in those cases.
if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) === 0)
{
return $this;
}
$this->headers[] = array($header, $replace);
return $this;
}
// --------------------------------------------------------------------
/**
* Set Content-Type Header
*
* @param string $mime_type Extension of the file we're outputting
* @param string $charset Character set (default: NULL)
* @return CI_Output
*/
public function set_content_type($mime_type, $charset = NULL)
{
if (strpos($mime_type, '/') === FALSE)
{
$extension = ltrim($mime_type, '.');
// Is this extension supported?
if (isset($this->mimes[$extension]))
{
$mime_type =& $this->mimes[$extension];
if (is_array($mime_type))
{
$mime_type = current($mime_type);
}
}
}
$this->mime_type = $mime_type;
if (empty($charset))
{
$charset = config_item('charset');
}
$header = 'Content-Type: '.$mime_type
.(empty($charset) ? '' : '; charset='.$charset);
$this->headers[] = array($header, TRUE);
return $this;
}
// --------------------------------------------------------------------
/**
* Get Current Content-Type Header
*
* @return string 'text/html', if not already set
*/
public function get_content_type()
{
for ($i = 0, $c = count($this->headers); $i < $c; $i++)
{
if (sscanf($this->headers[$i][0], 'Content-Type: %[^;]', $content_type) === 1)
{
return $content_type;
}
}
return 'text/html';
}
// --------------------------------------------------------------------
/**
* Get Header
*
* @param string $header
* @return string
*/
public function get_header($header)
{
// Combine headers already sent with our batched headers
$headers = array_merge(
// We only need [x][0] from our multi-dimensional array
array_map('array_shift', $this->headers),
headers_list()
);
if (empty($headers) OR empty($header))
{
return NULL;
}
// Count backwards, in order to get the last matching header
for ($c = count($headers) - 1; $c > -1; $c--)
{
if (strncasecmp($header, $headers[$c], $l = self::strlen($header)) === 0)
{
return trim(self::substr($headers[$c], $l+1));
}
}
return NULL;
}
// --------------------------------------------------------------------
/**
* Set HTTP Status Header
*
* As of version 1.7.2, this is an alias for common function
* set_status_header().
*
* @param int $code Status code (default: 200)
* @param string $text Optional message
* @return CI_Output
*/
public function set_status_header($code = 200, $text = '')
{
set_status_header($code, $text);
return $this;
}
// --------------------------------------------------------------------
/**
* Enable/disable Profiler
*
* @param bool $val TRUE to enable or FALSE to disable
* @return CI_Output
*/
public function enable_profiler($val = TRUE)
{
$this->enable_profiler = is_bool($val) ? $val : TRUE;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Profiler Sections
*
* Allows override of default/config settings for
* Profiler section display.
*
* @param array $sections Profiler sections
* @return CI_Output
*/
public function set_profiler_sections($sections)
{
if (isset($sections['query_toggle_count']))
{
$this->_profiler_sections['query_toggle_count'] = (int) $sections['query_toggle_count'];
unset($sections['query_toggle_count']);
}
foreach ($sections as $section => $enable)
{
$this->_profiler_sections[$section] = ($enable !== FALSE);
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set Cache
*
* @param int $time Cache expiration time in minutes
* @return CI_Output
*/
public function cache($time)
{
$this->cache_expiration = is_numeric($time) ? $time : 0;
return $this;
}
// --------------------------------------------------------------------
/**
* Display Output
*
* Processes and sends finalized output data to the browser along
* with any server headers and profile data. It also stops benchmark
* timers so the page rendering speed and memory usage can be shown.
*
* Note: All "view" data is automatically put into $this->final_output
* by controller class.
*
* @uses CI_Output::$final_output
* @param string $output Output data override
* @return void
*/
public function _display($output = '')
{
// Note: We use load_class() because we can't use $CI =& get_instance()
// since this function is sometimes called by the caching mechanism,
// which happens before the CI super object is available.
$BM =& load_class('Benchmark', 'core');
$CFG =& load_class('Config', 'core');
// Grab the super object if we can.
if (class_exists('CI_Controller', FALSE))
{
$CI =& get_instance();
}
// --------------------------------------------------------------------
// Set the output data
if ($output === '')
{
$output =& $this->final_output;
}
// --------------------------------------------------------------------
// Do we need to write a cache file? Only if the controller does not have its
// own _output() method and we are not dealing with a cache file, which we
// can determine by the existence of the $CI object above
if ($this->cache_expiration > 0 && isset($CI) && ! method_exists($CI, '_output'))
{
$this->_write_cache($output);
}
// --------------------------------------------------------------------
// Parse out the elapsed time and memory usage,
// then swap the pseudo-variables with the data
$elapsed = $BM->elapsed_time('total_execution_time_start', 'total_execution_time_end');
if ($this->parse_exec_vars === TRUE)
{
$memory = round(memory_get_usage() / 1024 / 1024, 2).'MB';
$output = str_replace(array('{elapsed_time}', '{memory_usage}'), array($elapsed, $memory), $output);
}
// --------------------------------------------------------------------
// Is compression requested?
if (isset($CI) // This means that we're not serving a cache file, if we were, it would already be compressed
&& $this->_compress_output === TRUE
&& isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE)
{
ob_start('ob_gzhandler');
}
// --------------------------------------------------------------------
// Are there any server headers to send?
if (count($this->headers) > 0)
{
foreach ($this->headers as $header)
{
@header($header[0], $header[1]);
}
}
// --------------------------------------------------------------------
// Does the $CI object exist?
// If not we know we are dealing with a cache file so we'll
// simply echo out the data and exit.
if ( ! isset($CI))
{
if ($this->_compress_output === TRUE)
{
if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE)
{
header('Content-Encoding: gzip');
header('Content-Length: '.self::strlen($output));
}
else
{
// User agent doesn't support gzip compression,
// so we'll have to decompress our cache
$output = gzinflate(self::substr($output, 10, -8));
}
}
echo $output;
log_message('info', 'Final output sent to browser');
log_message('debug', 'Total execution time: '.$elapsed);
return;
}
// --------------------------------------------------------------------
// Do we need to generate profile data?
// If so, load the Profile class and run it.
if ($this->enable_profiler === TRUE)
{
$CI->load->library('profiler');
if ( ! empty($this->_profiler_sections))
{
$CI->profiler->set_sections($this->_profiler_sections);
}
// If the output data contains closing </body> and </html> tags
// we will remove them and add them back after we insert the profile data
$output = preg_replace('|</body>.*?</html>|is', '', $output, -1, $count).$CI->profiler->run();
if ($count > 0)
{
$output .= '</body></html>';
}
}
// Does the controller contain a function named _output()?
// If so send the output there. Otherwise, echo it.
if (method_exists($CI, '_output'))
{
$CI->_output($output);
}
else
{
echo $output; // Send it to the browser!
}
log_message('info', 'Final output sent to browser');
log_message('debug', 'Total execution time: '.$elapsed);
}
// --------------------------------------------------------------------
/**
* Write Cache
*
* @param string $output Output data to cache
* @return void
*/
public function _write_cache($output)
{
$CI =& get_instance();
$path = $CI->config->item('cache_path');
$cache_path = ($path === '') ? APPPATH.'cache/' : $path;
if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path))
{
log_message('error', 'Unable to write cache file: '.$cache_path);
return;
}
$uri = $CI->config->item('base_url')
.$CI->config->item('index_page')
.$CI->uri->uri_string();
if (($cache_query_string = $CI->config->item('cache_query_string')) && ! empty($_SERVER['QUERY_STRING']))
{
if (is_array($cache_query_string))
{
$uri .= '?'.http_build_query(array_intersect_key($_GET, array_flip($cache_query_string)));
}
else
{
$uri .= '?'.$_SERVER['QUERY_STRING'];
}
}
$cache_path .= md5($uri);
if ( ! $fp = @fopen($cache_path, 'w+b'))
{
log_message('error', 'Unable to write cache file: '.$cache_path);
return;
}
if ( ! flock($fp, LOCK_EX))
{
log_message('error', 'Unable to secure a file lock for file at: '.$cache_path);
fclose($fp);
return;
}
// If output compression is enabled, compress the cache
// itself, so that we don't have to do that each time
// we're serving it
if ($this->_compress_output === TRUE)
{
$output = gzencode($output);
if ($this->get_header('content-type') === NULL)
{
$this->set_content_type($this->mime_type);
}
}
$expire = time() + ($this->cache_expiration * 60);
// Put together our serialized info.
$cache_info = serialize(array(
'expire' => $expire,
'headers' => $this->headers
));
$output = $cache_info.'ENDCI--->'.$output;
for ($written = 0, $length = self::strlen($output); $written < $length; $written += $result)
{
if (($result = fwrite($fp, self::substr($output, $written))) === FALSE)
{
break;
}
}
flock($fp, LOCK_UN);
fclose($fp);
if ( ! is_int($result))
{
@unlink($cache_path);
log_message('error', 'Unable to write the complete cache content at: '.$cache_path);
return;
}
chmod($cache_path, 0640);
log_message('debug', 'Cache file written: '.$cache_path);
// Send HTTP cache-control headers to browser to match file cache settings.
$this->set_cache_header($_SERVER['REQUEST_TIME'], $expire);
}
// --------------------------------------------------------------------
/**
* Update/serve cached output
*
* @uses CI_Config
* @uses CI_URI
*
* @param object &$CFG CI_Config class instance
* @param object &$URI CI_URI class instance
* @return bool TRUE on success or FALSE on failure
*/
public function _display_cache(&$CFG, &$URI)
{
$cache_path = ($CFG->item('cache_path') === '') ? APPPATH.'cache/' : $CFG->item('cache_path');
// Build the file path. The file name is an MD5 hash of the full URI
$uri = $CFG->item('base_url').$CFG->item('index_page').$URI->uri_string;
if (($cache_query_string = $CFG->item('cache_query_string')) && ! empty($_SERVER['QUERY_STRING']))
{
if (is_array($cache_query_string))
{
$uri .= '?'.http_build_query(array_intersect_key($_GET, array_flip($cache_query_string)));
}
else
{
$uri .= '?'.$_SERVER['QUERY_STRING'];
}
}
$filepath = $cache_path.md5($uri);
if ( ! file_exists($filepath) OR ! $fp = @fopen($filepath, 'rb'))
{
return FALSE;
}
flock($fp, LOCK_SH);
$cache = (filesize($filepath) > 0) ? fread($fp, filesize($filepath)) : '';
flock($fp, LOCK_UN);
fclose($fp);
// Look for embedded serialized file info.
if ( ! preg_match('/^(.*)ENDCI--->/', $cache, $match))
{
return FALSE;
}
$cache_info = unserialize($match[1]);
$expire = $cache_info['expire'];
$last_modified = filemtime($filepath);
// Has the file expired?
if ($_SERVER['REQUEST_TIME'] >= $expire && is_really_writable($cache_path))
{
// If so we'll delete it.
@unlink($filepath);
log_message('debug', 'Cache file has expired. File deleted.');
return FALSE;
}
// Send the HTTP cache control headers
$this->set_cache_header($last_modified, $expire);
// Add headers from cache file.
foreach ($cache_info['headers'] as $header)
{
$this->set_header($header[0], $header[1]);
}
// Display the cache
$this->_display(self::substr($cache, self::strlen($match[0])));
log_message('debug', 'Cache file is current. Sending it to browser.');
return TRUE;
}
// --------------------------------------------------------------------
/**
* Delete cache
*
* @param string $uri URI string
* @return bool
*/
public function delete_cache($uri = '')
{
$CI =& get_instance();
$cache_path = $CI->config->item('cache_path');
if ($cache_path === '')
{
$cache_path = APPPATH.'cache/';
}
if ( ! is_dir($cache_path))
{
log_message('error', 'Unable to find cache path: '.$cache_path);
return FALSE;
}
if (empty($uri))
{
$uri = $CI->uri->uri_string();
if (($cache_query_string = $CI->config->item('cache_query_string')) && ! empty($_SERVER['QUERY_STRING']))
{
if (is_array($cache_query_string))
{
$uri .= '?'.http_build_query(array_intersect_key($_GET, array_flip($cache_query_string)));
}
else
{
$uri .= '?'.$_SERVER['QUERY_STRING'];
}
}
}
$cache_path .= md5($CI->config->item('base_url').$CI->config->item('index_page').ltrim($uri, '/'));
if ( ! @unlink($cache_path))
{
log_message('error', 'Unable to delete cache file for '.$uri);
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Set Cache Header
*
* Set the HTTP headers to match the server-side file cache settings
* in order to reduce bandwidth.
*
* @param int $last_modified Timestamp of when the page was last modified
* @param int $expiration Timestamp of when should the requested page expire from cache
* @return void
*/
public function set_cache_header($last_modified, $expiration)
{
$max_age = $expiration - $_SERVER['REQUEST_TIME'];
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && $last_modified <= strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']))
{
$this->set_status_header(304);
exit;
}
header('Pragma: public');
header('Cache-Control: max-age='.$max_age.', public');
header('Expires: '.gmdate('D, d M Y H:i:s', $expiration).' GMT');
header('Last-modified: '.gmdate('D, d M Y H:i:s', $last_modified).' GMT');
}
// --------------------------------------------------------------------
/**
* Byte-safe strlen()
*
* @param string $str
* @return int
*/
protected static function strlen($str)
{
return (self::$func_overload)
? mb_strlen($str, '8bit')
: strlen($str);
}
// --------------------------------------------------------------------
/**
* Byte-safe substr()
*
* @param string $str
* @param int $start
* @param int $length
* @return string
*/
protected static function substr($str, $start, $length = NULL)
{
if (self::$func_overload)
{
// mb_substr($str, $start, null, '8bit') returns an empty
// string on PHP 5.3
isset($length) OR $length = ($start >= 0 ? self::strlen($str) - $start : -$start);
return mb_substr($str, $start, $length, '8bit');
}
return isset($length)
? substr($str, $start, $length)
: substr($str, $start);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Router Class
*
* Parses URIs and determines routing
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/general/routing.html
*/
class CI_Router {
/**
* CI_Config class object
*
* @var object
*/
public $config;
/**
* List of routes
*
* @var array
*/
public $routes = array();
/**
* Current class name
*
* @var string
*/
public $class = '';
/**
* Current method name
*
* @var string
*/
public $method = 'index';
/**
* Sub-directory that contains the requested controller class
*
* @var string
*/
public $directory;
/**
* Default controller (and method if specific)
*
* @var string
*/
public $default_controller;
/**
* Translate URI dashes
*
* Determines whether dashes in controller & method segments
* should be automatically replaced by underscores.
*
* @var bool
*/
public $translate_uri_dashes = FALSE;
/**
* Enable query strings flag
*
* Determines whether to use GET parameters or segment URIs
*
* @var bool
*/
public $enable_query_strings = FALSE;
// --------------------------------------------------------------------
/**
* Class constructor
*
* Runs the route mapping function.
*
* @param array $routing
* @return void
*/
public function __construct($routing = NULL)
{
$this->config =& load_class('Config', 'core');
$this->uri =& load_class('URI', 'core');
$this->enable_query_strings = ( ! is_cli() && $this->config->item('enable_query_strings') === TRUE);
// If a directory override is configured, it has to be set before any dynamic routing logic
is_array($routing) && isset($routing['directory']) && $this->set_directory($routing['directory']);
$this->_set_routing();
// Set any routing overrides that may exist in the main index file
if (is_array($routing))
{
empty($routing['controller']) OR $this->set_class($routing['controller']);
empty($routing['function']) OR $this->set_method($routing['function']);
}
log_message('info', 'Router Class Initialized');
}
// --------------------------------------------------------------------
/**
* Set route mapping
*
* Determines what should be served based on the URI request,
* as well as any "routes" that have been set in the routing config file.
*
* @return void
*/
protected function _set_routing()
{
// Load the routes.php file. It would be great if we could
// skip this for enable_query_strings = TRUE, but then
// default_controller would be empty ...
if (file_exists(APPPATH.'config/routes.php'))
{
include(APPPATH.'config/routes.php');
}
if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/routes.php'))
{
include(APPPATH.'config/'.ENVIRONMENT.'/routes.php');
}
// Validate & get reserved routes
if (isset($route) && is_array($route))
{
isset($route['default_controller']) && $this->default_controller = $route['default_controller'];
isset($route['translate_uri_dashes']) && $this->translate_uri_dashes = $route['translate_uri_dashes'];
unset($route['default_controller'], $route['translate_uri_dashes']);
$this->routes = $route;
}
// Are query strings enabled in the config file? Normally CI doesn't utilize query strings
// since URI segments are more search-engine friendly, but they can optionally be used.
// If this feature is enabled, we will gather the directory/class/method a little differently
if ($this->enable_query_strings)
{
// If the directory is set at this time, it means an override exists, so skip the checks
if ( ! isset($this->directory))
{
$_d = $this->config->item('directory_trigger');
$_d = isset($_GET[$_d]) ? trim($_GET[$_d], " \t\n\r\0\x0B/") : '';
if ($_d !== '')
{
$this->uri->filter_uri($_d);
$this->set_directory($_d);
}
}
$_c = trim($this->config->item('controller_trigger'));
if ( ! empty($_GET[$_c]))
{
$this->uri->filter_uri($_GET[$_c]);
$this->set_class($_GET[$_c]);
$_f = trim($this->config->item('function_trigger'));
if ( ! empty($_GET[$_f]))
{
$this->uri->filter_uri($_GET[$_f]);
$this->set_method($_GET[$_f]);
}
$this->uri->rsegments = array(
1 => $this->class,
2 => $this->method
);
}
else
{
$this->_set_default_controller();
}
// Routing rules don't apply to query strings and we don't need to detect
// directories, so we're done here
return;
}
// Is there anything to parse?
if ($this->uri->uri_string !== '')
{
$this->_parse_routes();
}
else
{
$this->_set_default_controller();
}
}
// --------------------------------------------------------------------
/**
* Set request route
*
* Takes an array of URI segments as input and sets the class/method
* to be called.
*
* @used-by CI_Router::_parse_routes()
* @param array $segments URI segments
* @return void
*/
protected function _set_request($segments = array())
{
$segments = $this->_validate_request($segments);
// If we don't have any segments left - try the default controller;
// WARNING: Directories get shifted out of the segments array!
if (empty($segments))
{
$this->_set_default_controller();
return;
}
if ($this->translate_uri_dashes === TRUE)
{
$segments[0] = str_replace('-', '_', $segments[0]);
if (isset($segments[1]))
{
$segments[1] = str_replace('-', '_', $segments[1]);
}
}
$this->set_class($segments[0]);
if (isset($segments[1]))
{
$this->set_method($segments[1]);
}
else
{
$segments[1] = 'index';
}
array_unshift($segments, NULL);
unset($segments[0]);
$this->uri->rsegments = $segments;
}
// --------------------------------------------------------------------
/**
* Set default controller
*
* @return void
*/
protected function _set_default_controller()
{
if (empty($this->default_controller))
{
show_error('Unable to determine what should be displayed. A default route has not been specified in the routing file.');
}
// Is the method being specified?
if (sscanf($this->default_controller, '%[^/]/%s', $class, $method) !== 2)
{
$method = 'index';
}
if ( ! file_exists(APPPATH.'controllers/'.$this->directory.ucfirst($class).'.php'))
{
// This will trigger 404 later
return;
}
$this->set_class($class);
$this->set_method($method);
// Assign routed segments, index starting from 1
$this->uri->rsegments = array(
1 => $class,
2 => $method
);
log_message('debug', 'No URI present. Default controller set.');
}
// --------------------------------------------------------------------
/**
* Validate request
*
* Attempts validate the URI request and determine the controller path.
*
* @used-by CI_Router::_set_request()
* @param array $segments URI segments
* @return mixed URI segments
*/
protected function _validate_request($segments)
{
$c = count($segments);
$directory_override = isset($this->directory);
// Loop through our segments and return as soon as a controller
// is found or when such a directory doesn't exist
while ($c-- > 0)
{
$test = $this->directory
.ucfirst($this->translate_uri_dashes === TRUE ? str_replace('-', '_', $segments[0]) : $segments[0]);
if ( ! file_exists(APPPATH.'controllers/'.$test.'.php')
&& $directory_override === FALSE
&& is_dir(APPPATH.'controllers/'.$this->directory.$segments[0])
)
{
$this->set_directory(array_shift($segments), TRUE);
continue;
}
return $segments;
}
// This means that all segments were actually directories
return $segments;
}
// --------------------------------------------------------------------
/**
* Parse Routes
*
* Matches any routes that may exist in the config/routes.php file
* against the URI to determine if the class/method need to be remapped.
*
* @return void
*/
protected function _parse_routes()
{
// Turn the segment array into a URI string
$uri = implode('/', $this->uri->segments);
// Get HTTP verb
$http_verb = isset($_SERVER['REQUEST_METHOD']) ? strtolower($_SERVER['REQUEST_METHOD']) : 'cli';
// Loop through the route array looking for wildcards
foreach ($this->routes as $key => $val)
{
// Check if route format is using HTTP verbs
if (is_array($val))
{
$val = array_change_key_case($val, CASE_LOWER);
if (isset($val[$http_verb]))
{
$val = $val[$http_verb];
}
else
{
continue;
}
}
// Convert wildcards to RegEx
$key = str_replace(array(':any', ':num'), array('[^/]+', '[0-9]+'), $key);
// Does the RegEx match?
if (preg_match('#^'.$key.'$#', $uri, $matches))
{
// Are we using callbacks to process back-references?
if ( ! is_string($val) && is_callable($val))
{
// Remove the original string from the matches array.
array_shift($matches);
// Execute the callback using the values in matches as its parameters.
$val = call_user_func_array($val, $matches);
}
// Are we using the default routing method for back-references?
elseif (strpos($val, '$') !== FALSE && strpos($key, '(') !== FALSE)
{
$val = preg_replace('#^'.$key.'$#', $val, $uri);
}
$this->_set_request(explode('/', $val));
return;
}
}
// If we got this far it means we didn't encounter a
// matching route so we'll set the site default route
$this->_set_request(array_values($this->uri->segments));
}
// --------------------------------------------------------------------
/**
* Set class name
*
* @param string $class Class name
* @return void
*/
public function set_class($class)
{
$this->class = str_replace(array('/', '.'), '', $class);
}
// --------------------------------------------------------------------
/**
* Fetch the current class
*
* @deprecated 3.0.0 Read the 'class' property instead
* @return string
*/
public function fetch_class()
{
return $this->class;
}
// --------------------------------------------------------------------
/**
* Set method name
*
* @param string $method Method name
* @return void
*/
public function set_method($method)
{
$this->method = $method;
}
// --------------------------------------------------------------------
/**
* Fetch the current method
*
* @deprecated 3.0.0 Read the 'method' property instead
* @return string
*/
public function fetch_method()
{
return $this->method;
}
// --------------------------------------------------------------------
/**
* Set directory name
*
* @param string $dir Directory name
* @param bool $append Whether we're appending rather than setting the full value
* @return void
*/
public function set_directory($dir, $append = FALSE)
{
if ($append !== TRUE OR empty($this->directory))
{
$this->directory = str_replace('.', '', trim($dir, '/')).'/';
}
else
{
$this->directory .= str_replace('.', '', trim($dir, '/')).'/';
}
}
// --------------------------------------------------------------------
/**
* Fetch directory
*
* Feches the sub-directory (if any) that contains the requested
* controller class.
*
* @deprecated 3.0.0 Read the 'directory' property instead
* @return string
*/
public function fetch_directory()
{
return $this->directory;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* URI Class
*
* Parses URIs and determines routing
*
* @package CodeIgniter
* @subpackage Libraries
* @category URI
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/uri.html
*/
class CI_URI {
/**
* List of cached URI segments
*
* @var array
*/
public $keyval = array();
/**
* Current URI string
*
* @var string
*/
public $uri_string = '';
/**
* List of URI segments
*
* Starts at 1 instead of 0.
*
* @var array
*/
public $segments = array();
/**
* List of routed URI segments
*
* Starts at 1 instead of 0.
*
* @var array
*/
public $rsegments = array();
/**
* Permitted URI chars
*
* PCRE character group allowed in URI segments
*
* @var string
*/
protected $_permitted_uri_chars;
/**
* Class constructor
*
* @return void
*/
public function __construct()
{
$this->config =& load_class('Config', 'core');
// If query strings are enabled, we don't need to parse any segments.
// However, they don't make sense under CLI.
if (is_cli() OR $this->config->item('enable_query_strings') !== TRUE)
{
$this->_permitted_uri_chars = $this->config->item('permitted_uri_chars');
// If it's a CLI request, ignore the configuration
if (is_cli())
{
$uri = $this->_parse_argv();
}
else
{
$protocol = $this->config->item('uri_protocol');
empty($protocol) && $protocol = 'REQUEST_URI';
switch ($protocol)
{
case 'AUTO': // For BC purposes only
case 'REQUEST_URI':
$uri = $this->_parse_request_uri();
break;
case 'QUERY_STRING':
$uri = $this->_parse_query_string();
break;
case 'PATH_INFO':
default:
$uri = isset($_SERVER[$protocol])
? $_SERVER[$protocol]
: $this->_parse_request_uri();
break;
}
}
$this->_set_uri_string($uri);
}
log_message('info', 'URI Class Initialized');
}
// --------------------------------------------------------------------
/**
* Set URI String
*
* @param string $str
* @return void
*/
protected function _set_uri_string($str)
{
// Filter out control characters and trim slashes
$this->uri_string = trim(remove_invisible_characters($str, FALSE), '/');
if ($this->uri_string !== '')
{
// Remove the URL suffix, if present
if (($suffix = (string) $this->config->item('url_suffix')) !== '')
{
$slen = strlen($suffix);
if (substr($this->uri_string, -$slen) === $suffix)
{
$this->uri_string = substr($this->uri_string, 0, -$slen);
}
}
$this->segments[0] = NULL;
// Populate the segments array
foreach (explode('/', trim($this->uri_string, '/')) as $val)
{
$val = trim($val);
// Filter segments for security
$this->filter_uri($val);
if ($val !== '')
{
$this->segments[] = $val;
}
}
unset($this->segments[0]);
}
}
// --------------------------------------------------------------------
/**
* Parse REQUEST_URI
*
* Will parse REQUEST_URI and automatically detect the URI from it,
* while fixing the query string if necessary.
*
* @return string
*/
protected function _parse_request_uri()
{
if ( ! isset($_SERVER['REQUEST_URI'], $_SERVER['SCRIPT_NAME']))
{
return '';
}
// parse_url() returns false if no host is present, but the path or query string
// contains a colon followed by a number
$uri = parse_url('http://dummy'.$_SERVER['REQUEST_URI']);
$query = isset($uri['query']) ? $uri['query'] : '';
$uri = isset($uri['path']) ? $uri['path'] : '';
if (isset($_SERVER['SCRIPT_NAME'][0]))
{
if (strpos($uri, $_SERVER['SCRIPT_NAME']) === 0)
{
$uri = (string) substr($uri, strlen($_SERVER['SCRIPT_NAME']));
}
elseif (strpos($uri, dirname($_SERVER['SCRIPT_NAME'])) === 0)
{
$uri = (string) substr($uri, strlen(dirname($_SERVER['SCRIPT_NAME'])));
}
}
// This section ensures that even on servers that require the URI to be in the query string (Nginx) a correct
// URI is found, and also fixes the QUERY_STRING server var and $_GET array.
if (trim($uri, '/') === '' && strncmp($query, '/', 1) === 0)
{
$query = explode('?', $query, 2);
$uri = $query[0];
$_SERVER['QUERY_STRING'] = isset($query[1]) ? $query[1] : '';
}
else
{
$_SERVER['QUERY_STRING'] = $query;
}
parse_str($_SERVER['QUERY_STRING'], $_GET);
if ($uri === '/' OR $uri === '')
{
return '/';
}
// Do some final cleaning of the URI and return it
return $this->_remove_relative_directory($uri);
}
// --------------------------------------------------------------------
/**
* Parse QUERY_STRING
*
* Will parse QUERY_STRING and automatically detect the URI from it.
*
* @return string
*/
protected function _parse_query_string()
{
$uri = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : @getenv('QUERY_STRING');
if (trim($uri, '/') === '')
{
return '';
}
elseif (strncmp($uri, '/', 1) === 0)
{
$uri = explode('?', $uri, 2);
$_SERVER['QUERY_STRING'] = isset($uri[1]) ? $uri[1] : '';
$uri = $uri[0];
}
parse_str($_SERVER['QUERY_STRING'], $_GET);
return $this->_remove_relative_directory($uri);
}
// --------------------------------------------------------------------
/**
* Parse CLI arguments
*
* Take each command line argument and assume it is a URI segment.
*
* @return string
*/
protected function _parse_argv()
{
$args = array_slice($_SERVER['argv'], 1);
return $args ? implode('/', $args) : '';
}
// --------------------------------------------------------------------
/**
* Remove relative directory (../) and multi slashes (///)
*
* Do some final cleaning of the URI and return it, currently only used in self::_parse_request_uri()
*
* @param string $uri
* @return string
*/
protected function _remove_relative_directory($uri)
{
$uris = array();
$tok = strtok($uri, '/');
while ($tok !== FALSE)
{
if (( ! empty($tok) OR $tok === '0') && $tok !== '..')
{
$uris[] = $tok;
}
$tok = strtok('/');
}
return implode('/', $uris);
}
// --------------------------------------------------------------------
/**
* Filter URI
*
* Filters segments for malicious characters.
*
* @param string $str
* @return void
*/
public function filter_uri(&$str)
{
if ( ! empty($str) && ! empty($this->_permitted_uri_chars) && ! preg_match('/^['.$this->_permitted_uri_chars.']+$/i'.(UTF8_ENABLED ? 'u' : ''), $str))
{
show_error('The URI you submitted has disallowed characters.', 400);
}
}
// --------------------------------------------------------------------
/**
* Fetch URI Segment
*
* @see CI_URI::$segments
* @param int $n Index
* @param mixed $no_result What to return if the segment index is not found
* @return mixed
*/
public function segment($n, $no_result = NULL)
{
return isset($this->segments[$n]) ? $this->segments[$n] : $no_result;
}
// --------------------------------------------------------------------
/**
* Fetch URI "routed" Segment
*
* Returns the re-routed URI segment (assuming routing rules are used)
* based on the index provided. If there is no routing, will return
* the same result as CI_URI::segment().
*
* @see CI_URI::$rsegments
* @see CI_URI::segment()
* @param int $n Index
* @param mixed $no_result What to return if the segment index is not found
* @return mixed
*/
public function rsegment($n, $no_result = NULL)
{
return isset($this->rsegments[$n]) ? $this->rsegments[$n] : $no_result;
}
// --------------------------------------------------------------------
/**
* URI to assoc
*
* Generates an associative array of URI data starting at the supplied
* segment index. For example, if this is your URI:
*
* example.com/user/search/name/joe/location/UK/gender/male
*
* You can use this method to generate an array with this prototype:
*
* array (
* name => joe
* location => UK
* gender => male
* )
*
* @param int $n Index (default: 3)
* @param array $default Default values
* @return array
*/
public function uri_to_assoc($n = 3, $default = array())
{
return $this->_uri_to_assoc($n, $default, 'segment');
}
// --------------------------------------------------------------------
/**
* Routed URI to assoc
*
* Identical to CI_URI::uri_to_assoc(), only it uses the re-routed
* segment array.
*
* @see CI_URI::uri_to_assoc()
* @param int $n Index (default: 3)
* @param array $default Default values
* @return array
*/
public function ruri_to_assoc($n = 3, $default = array())
{
return $this->_uri_to_assoc($n, $default, 'rsegment');
}
// --------------------------------------------------------------------
/**
* Internal URI-to-assoc
*
* Generates a key/value pair from the URI string or re-routed URI string.
*
* @used-by CI_URI::uri_to_assoc()
* @used-by CI_URI::ruri_to_assoc()
* @param int $n Index (default: 3)
* @param array $default Default values
* @param string $which Array name ('segment' or 'rsegment')
* @return array
*/
protected function _uri_to_assoc($n = 3, $default = array(), $which = 'segment')
{
if ( ! is_numeric($n))
{
return $default;
}
if (isset($this->keyval[$which], $this->keyval[$which][$n]))
{
return $this->keyval[$which][$n];
}
$total_segments = "total_{$which}s";
$segment_array = "{$which}_array";
if ($this->$total_segments() < $n)
{
return (count($default) === 0)
? array()
: array_fill_keys($default, NULL);
}
$segments = array_slice($this->$segment_array(), ($n - 1));
$i = 0;
$lastval = '';
$retval = array();
foreach ($segments as $seg)
{
if ($i % 2)
{
$retval[$lastval] = $seg;
}
else
{
$retval[$seg] = NULL;
$lastval = $seg;
}
$i++;
}
if (count($default) > 0)
{
foreach ($default as $val)
{
if ( ! array_key_exists($val, $retval))
{
$retval[$val] = NULL;
}
}
}
// Cache the array for reuse
isset($this->keyval[$which]) OR $this->keyval[$which] = array();
$this->keyval[$which][$n] = $retval;
return $retval;
}
// --------------------------------------------------------------------
/**
* Assoc to URI
*
* Generates a URI string from an associative array.
*
* @param array $array Input array of key/value pairs
* @return string URI string
*/
public function assoc_to_uri($array)
{
$temp = array();
foreach ((array) $array as $key => $val)
{
$temp[] = $key;
$temp[] = $val;
}
return implode('/', $temp);
}
// --------------------------------------------------------------------
/**
* Slash segment
*
* Fetches an URI segment with a slash.
*
* @param int $n Index
* @param string $where Where to add the slash ('trailing' or 'leading')
* @return string
*/
public function slash_segment($n, $where = 'trailing')
{
return $this->_slash_segment($n, $where, 'segment');
}
// --------------------------------------------------------------------
/**
* Slash routed segment
*
* Fetches an URI routed segment with a slash.
*
* @param int $n Index
* @param string $where Where to add the slash ('trailing' or 'leading')
* @return string
*/
public function slash_rsegment($n, $where = 'trailing')
{
return $this->_slash_segment($n, $where, 'rsegment');
}
// --------------------------------------------------------------------
/**
* Internal Slash segment
*
* Fetches an URI Segment and adds a slash to it.
*
* @used-by CI_URI::slash_segment()
* @used-by CI_URI::slash_rsegment()
*
* @param int $n Index
* @param string $where Where to add the slash ('trailing' or 'leading')
* @param string $which Array name ('segment' or 'rsegment')
* @return string
*/
protected function _slash_segment($n, $where = 'trailing', $which = 'segment')
{
$leading = $trailing = '/';
if ($where === 'trailing')
{
$leading = '';
}
elseif ($where === 'leading')
{
$trailing = '';
}
return $leading.$this->$which($n).$trailing;
}
// --------------------------------------------------------------------
/**
* Segment Array
*
* @return array CI_URI::$segments
*/
public function segment_array()
{
return $this->segments;
}
// --------------------------------------------------------------------
/**
* Routed Segment Array
*
* @return array CI_URI::$rsegments
*/
public function rsegment_array()
{
return $this->rsegments;
}
// --------------------------------------------------------------------
/**
* Total number of segments
*
* @return int
*/
public function total_segments()
{
return count($this->segments);
}
// --------------------------------------------------------------------
/**
* Total number of routed segments
*
* @return int
*/
public function total_rsegments()
{
return count($this->rsegments);
}
// --------------------------------------------------------------------
/**
* Fetch URI string
*
* @return string CI_URI::$uri_string
*/
public function uri_string()
{
return $this->uri_string;
}
// --------------------------------------------------------------------
/**
* Fetch Re-routed URI string
*
* @return string
*/
public function ruri_string()
{
return ltrim(load_class('Router', 'core')->directory, '/').implode('/', $this->rsegments);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Utf8 Class
*
* Provides support for UTF-8 environments
*
* @package CodeIgniter
* @subpackage Libraries
* @category UTF-8
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/utf8.html
*/
class CI_Utf8 {
/**
* Class constructor
*
* Determines if UTF-8 support is to be enabled.
*
* @return void
*/
public function __construct()
{
if (
defined('PREG_BAD_UTF8_ERROR') // PCRE must support UTF-8
&& (ICONV_ENABLED === TRUE OR MB_ENABLED === TRUE) // iconv or mbstring must be installed
&& strtoupper(config_item('charset')) === 'UTF-8' // Application charset must be UTF-8
)
{
define('UTF8_ENABLED', TRUE);
log_message('debug', 'UTF-8 Support Enabled');
}
else
{
define('UTF8_ENABLED', FALSE);
log_message('debug', 'UTF-8 Support Disabled');
}
log_message('info', 'Utf8 Class Initialized');
}
// --------------------------------------------------------------------
/**
* Clean UTF-8 strings
*
* Ensures strings contain only valid UTF-8 characters.
*
* @param string $str String to clean
* @return string
*/
public function clean_string($str)
{
if ($this->is_ascii($str) === FALSE)
{
if (MB_ENABLED)
{
$str = mb_convert_encoding($str, 'UTF-8', 'UTF-8');
}
elseif (ICONV_ENABLED)
{
$str = @iconv('UTF-8', 'UTF-8//IGNORE', $str);
}
}
return $str;
}
// --------------------------------------------------------------------
/**
* Remove ASCII control characters
*
* Removes all ASCII control characters except horizontal tabs,
* line feeds, and carriage returns, as all others can cause
* problems in XML.
*
* @param string $str String to clean
* @return string
*/
public function safe_ascii_for_xml($str)
{
return remove_invisible_characters($str, FALSE);
}
// --------------------------------------------------------------------
/**
* Convert to UTF-8
*
* Attempts to convert a string to UTF-8.
*
* @param string $str Input string
* @param string $encoding Input encoding
* @return string $str encoded in UTF-8 or FALSE on failure
*/
public function convert_to_utf8($str, $encoding)
{
if (MB_ENABLED)
{
return mb_convert_encoding($str, 'UTF-8', $encoding);
}
elseif (ICONV_ENABLED)
{
return @iconv($encoding, 'UTF-8', $str);
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Is ASCII?
*
* Tests if a string is standard 7-bit ASCII or not.
*
* @param string $str String to check
* @return bool
*/
public function is_ascii($str)
{
return (preg_match('/[^\x00-\x7F]/S', $str) === 0);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PHP ext/hash compatibility package
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Compatibility
* @author Andrey Andreev
* @link https://codeigniter.com/user_guide/
* @link http://php.net/hash
*/
// ------------------------------------------------------------------------
if (is_php('5.6'))
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('hash_equals'))
{
/**
* hash_equals()
*
* @link http://php.net/hash_equals
* @param string $known_string
* @param string $user_string
* @return bool
*/
function hash_equals($known_string, $user_string)
{
if ( ! is_string($known_string))
{
trigger_error('hash_equals(): Expected known_string to be a string, '.strtolower(gettype($known_string)).' given', E_USER_WARNING);
return FALSE;
}
elseif ( ! is_string($user_string))
{
trigger_error('hash_equals(): Expected user_string to be a string, '.strtolower(gettype($user_string)).' given', E_USER_WARNING);
return FALSE;
}
elseif (($length = strlen($known_string)) !== strlen($user_string))
{
return FALSE;
}
$diff = 0;
for ($i = 0; $i < $length; $i++)
{
$diff |= ord($known_string[$i]) ^ ord($user_string[$i]);
}
return ($diff === 0);
}
}
// ------------------------------------------------------------------------
if (is_php('5.5'))
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('hash_pbkdf2'))
{
/**
* hash_pbkdf2()
*
* @link http://php.net/hash_pbkdf2
* @param string $algo
* @param string $password
* @param string $salt
* @param int $iterations
* @param int $length
* @param bool $raw_output
* @return string
*/
function hash_pbkdf2($algo, $password, $salt, $iterations, $length = 0, $raw_output = FALSE)
{
if ( ! in_array(strtolower($algo), hash_algos(), TRUE))
{
trigger_error('hash_pbkdf2(): Unknown hashing algorithm: '.$algo, E_USER_WARNING);
return FALSE;
}
if (($type = gettype($iterations)) !== 'integer')
{
if ($type === 'object' && method_exists($iterations, '__toString'))
{
$iterations = (string) $iterations;
}
if (is_string($iterations) && is_numeric($iterations))
{
$iterations = (int) $iterations;
}
else
{
trigger_error('hash_pbkdf2() expects parameter 4 to be long, '.$type.' given', E_USER_WARNING);
return NULL;
}
}
if ($iterations < 1)
{
trigger_error('hash_pbkdf2(): Iterations must be a positive integer: '.$iterations, E_USER_WARNING);
return FALSE;
}
if (($type = gettype($length)) !== 'integer')
{
if ($type === 'object' && method_exists($length, '__toString'))
{
$length = (string) $length;
}
if (is_string($length) && is_numeric($length))
{
$length = (int) $length;
}
else
{
trigger_error('hash_pbkdf2() expects parameter 5 to be long, '.$type.' given', E_USER_WARNING);
return NULL;
}
}
if ($length < 0)
{
trigger_error('hash_pbkdf2(): Length must be greater than or equal to 0: '.$length, E_USER_WARNING);
return FALSE;
}
$hash_length = defined('MB_OVERLOAD_STRING')
? mb_strlen(hash($algo, NULL, TRUE), '8bit')
: strlen(hash($algo, NULL, TRUE));
empty($length) && $length = $hash_length;
// Pre-hash password inputs longer than the algorithm's block size
// (i.e. prepare HMAC key) to mitigate potential DoS attacks.
static $block_sizes;
empty($block_sizes) && $block_sizes = array(
'gost' => 32,
'haval128,3' => 128,
'haval160,3' => 128,
'haval192,3' => 128,
'haval224,3' => 128,
'haval256,3' => 128,
'haval128,4' => 128,
'haval160,4' => 128,
'haval192,4' => 128,
'haval224,4' => 128,
'haval256,4' => 128,
'haval128,5' => 128,
'haval160,5' => 128,
'haval192,5' => 128,
'haval224,5' => 128,
'haval256,5' => 128,
'md2' => 16,
'md4' => 64,
'md5' => 64,
'ripemd128' => 64,
'ripemd160' => 64,
'ripemd256' => 64,
'ripemd320' => 64,
'salsa10' => 64,
'salsa20' => 64,
'sha1' => 64,
'sha224' => 64,
'sha256' => 64,
'sha384' => 128,
'sha512' => 128,
'snefru' => 32,
'snefru256' => 32,
'tiger128,3' => 64,
'tiger160,3' => 64,
'tiger192,3' => 64,
'tiger128,4' => 64,
'tiger160,4' => 64,
'tiger192,4' => 64,
'whirlpool' => 64
);
if (isset($block_sizes[$algo], $password[$block_sizes[$algo]]))
{
$password = hash($algo, $password, TRUE);
}
$hash = '';
// Note: Blocks are NOT 0-indexed
for ($bc = (int) ceil($length / $hash_length), $bi = 1; $bi <= $bc; $bi++)
{
$key = $derived_key = hash_hmac($algo, $salt.pack('N', $bi), $password, TRUE);
for ($i = 1; $i < $iterations; $i++)
{
$derived_key ^= $key = hash_hmac($algo, $key, $password, TRUE);
}
$hash .= $derived_key;
}
// This is not RFC-compatible, but we're aiming for natural PHP compatibility
if ( ! $raw_output)
{
$hash = bin2hex($hash);
}
return defined('MB_OVERLOAD_STRING')
? mb_substr($hash, 0, $length, '8bit')
: substr($hash, 0, $length);
}
}

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PHP ext/mbstring compatibility package
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Compatibility
* @author Andrey Andreev
* @link https://codeigniter.com/user_guide/
* @link http://php.net/mbstring
*/
// ------------------------------------------------------------------------
if (MB_ENABLED === TRUE)
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('mb_strlen'))
{
/**
* mb_strlen()
*
* WARNING: This function WILL fall-back to strlen()
* if iconv is not available!
*
* @link http://php.net/mb_strlen
* @param string $str
* @param string $encoding
* @return int
*/
function mb_strlen($str, $encoding = NULL)
{
if (ICONV_ENABLED === TRUE)
{
return iconv_strlen($str, isset($encoding) ? $encoding : config_item('charset'));
}
log_message('debug', 'Compatibility (mbstring): iconv_strlen() is not available, falling back to strlen().');
return strlen($str);
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('mb_strpos'))
{
/**
* mb_strpos()
*
* WARNING: This function WILL fall-back to strpos()
* if iconv is not available!
*
* @link http://php.net/mb_strpos
* @param string $haystack
* @param string $needle
* @param int $offset
* @param string $encoding
* @return mixed
*/
function mb_strpos($haystack, $needle, $offset = 0, $encoding = NULL)
{
if (ICONV_ENABLED === TRUE)
{
return iconv_strpos($haystack, $needle, $offset, isset($encoding) ? $encoding : config_item('charset'));
}
log_message('debug', 'Compatibility (mbstring): iconv_strpos() is not available, falling back to strpos().');
return strpos($haystack, $needle, $offset);
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('mb_substr'))
{
/**
* mb_substr()
*
* WARNING: This function WILL fall-back to substr()
* if iconv is not available.
*
* @link http://php.net/mb_substr
* @param string $str
* @param int $start
* @param int $length
* @param string $encoding
* @return string
*/
function mb_substr($str, $start, $length = NULL, $encoding = NULL)
{
if (ICONV_ENABLED === TRUE)
{
isset($encoding) OR $encoding = config_item('charset');
return iconv_substr(
$str,
$start,
isset($length) ? $length : iconv_strlen($str, $encoding), // NULL doesn't work
$encoding
);
}
log_message('debug', 'Compatibility (mbstring): iconv_substr() is not available, falling back to substr().');
return isset($length)
? substr($str, $start, $length)
: substr($str, $start);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PHP ext/standard/password compatibility package
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Compatibility
* @author Andrey Andreev
* @link https://codeigniter.com/user_guide/
* @link http://php.net/password
*/
// ------------------------------------------------------------------------
if (is_php('5.5') OR ! defined('CRYPT_BLOWFISH') OR CRYPT_BLOWFISH !== 1 OR defined('HHVM_VERSION'))
{
return;
}
// ------------------------------------------------------------------------
defined('PASSWORD_BCRYPT') OR define('PASSWORD_BCRYPT', 1);
defined('PASSWORD_DEFAULT') OR define('PASSWORD_DEFAULT', PASSWORD_BCRYPT);
// ------------------------------------------------------------------------
if ( ! function_exists('password_get_info'))
{
/**
* password_get_info()
*
* @link http://php.net/password_get_info
* @param string $hash
* @return array
*/
function password_get_info($hash)
{
return (strlen($hash) < 60 OR sscanf($hash, '$2y$%d', $hash) !== 1)
? array('algo' => 0, 'algoName' => 'unknown', 'options' => array())
: array('algo' => 1, 'algoName' => 'bcrypt', 'options' => array('cost' => $hash));
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('password_hash'))
{
/**
* password_hash()
*
* @link http://php.net/password_hash
* @param string $password
* @param int $algo
* @param array $options
* @return mixed
*/
function password_hash($password, $algo, array $options = array())
{
static $func_overload;
isset($func_overload) OR $func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'));
if ($algo !== 1)
{
trigger_error('password_hash(): Unknown hashing algorithm: '.(int) $algo, E_USER_WARNING);
return NULL;
}
if (isset($options['cost']) && ($options['cost'] < 4 OR $options['cost'] > 31))
{
trigger_error('password_hash(): Invalid bcrypt cost parameter specified: '.(int) $options['cost'], E_USER_WARNING);
return NULL;
}
if (isset($options['salt']) && ($saltlen = ($func_overload ? mb_strlen($options['salt'], '8bit') : strlen($options['salt']))) < 22)
{
trigger_error('password_hash(): Provided salt is too short: '.$saltlen.' expecting 22', E_USER_WARNING);
return NULL;
}
elseif ( ! isset($options['salt']))
{
if (function_exists('random_bytes'))
{
try
{
$options['salt'] = random_bytes(16);
}
catch (Exception $e)
{
log_message('error', 'compat/password: Error while trying to use random_bytes(): '.$e->getMessage());
return FALSE;
}
}
elseif (defined('MCRYPT_DEV_URANDOM'))
{
$options['salt'] = mcrypt_create_iv(16, MCRYPT_DEV_URANDOM);
}
elseif (DIRECTORY_SEPARATOR === '/' && (is_readable($dev = '/dev/arandom') OR is_readable($dev = '/dev/urandom')))
{
if (($fp = fopen($dev, 'rb')) === FALSE)
{
log_message('error', 'compat/password: Unable to open '.$dev.' for reading.');
return FALSE;
}
// Try not to waste entropy ...
is_php('5.4') && stream_set_chunk_size($fp, 16);
$options['salt'] = '';
for ($read = 0; $read < 16; $read = ($func_overload) ? mb_strlen($options['salt'], '8bit') : strlen($options['salt']))
{
if (($read = fread($fp, 16 - $read)) === FALSE)
{
log_message('error', 'compat/password: Error while reading from '.$dev.'.');
return FALSE;
}
$options['salt'] .= $read;
}
fclose($fp);
}
elseif (function_exists('openssl_random_pseudo_bytes'))
{
$is_secure = NULL;
$options['salt'] = openssl_random_pseudo_bytes(16, $is_secure);
if ($is_secure !== TRUE)
{
log_message('error', 'compat/password: openssl_random_pseudo_bytes() set the $cryto_strong flag to FALSE');
return FALSE;
}
}
else
{
log_message('error', 'compat/password: No CSPRNG available.');
return FALSE;
}
$options['salt'] = str_replace('+', '.', rtrim(base64_encode($options['salt']), '='));
}
elseif ( ! preg_match('#^[a-zA-Z0-9./]+$#D', $options['salt']))
{
$options['salt'] = str_replace('+', '.', rtrim(base64_encode($options['salt']), '='));
}
isset($options['cost']) OR $options['cost'] = 10;
return (strlen($password = crypt($password, sprintf('$2y$%02d$%s', $options['cost'], $options['salt']))) === 60)
? $password
: FALSE;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('password_needs_rehash'))
{
/**
* password_needs_rehash()
*
* @link http://php.net/password_needs_rehash
* @param string $hash
* @param int $algo
* @param array $options
* @return bool
*/
function password_needs_rehash($hash, $algo, array $options = array())
{
$info = password_get_info($hash);
if ($algo !== $info['algo'])
{
return TRUE;
}
elseif ($algo === 1)
{
$options['cost'] = isset($options['cost']) ? (int) $options['cost'] : 10;
return ($info['options']['cost'] !== $options['cost']);
}
// Odd at first glance, but according to a comment in PHP's own unit tests,
// because it is an unknown algorithm - it's valid and therefore doesn't
// need rehashing.
return FALSE;
}
}
// ------------------------------------------------------------------------
if ( ! function_exists('password_verify'))
{
/**
* password_verify()
*
* @link http://php.net/password_verify
* @param string $password
* @param string $hash
* @return bool
*/
function password_verify($password, $hash)
{
if (strlen($hash) !== 60 OR strlen($password = crypt($password, $hash)) !== 60)
{
return FALSE;
}
$compare = 0;
for ($i = 0; $i < 60; $i++)
{
$compare |= (ord($password[$i]) ^ ord($hash[$i]));
}
return ($compare === 0);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PHP ext/standard compatibility package
*
* @package CodeIgniter
* @subpackage CodeIgniter
* @category Compatibility
* @author Andrey Andreev
* @link https://codeigniter.com/user_guide/
*/
// ------------------------------------------------------------------------
if (is_php('5.5'))
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('array_column'))
{
/**
* array_column()
*
* @link http://php.net/array_column
* @param array $array
* @param mixed $column_key
* @param mixed $index_key
* @return array
*/
function array_column(array $array, $column_key, $index_key = NULL)
{
if ( ! in_array($type = gettype($column_key), array('integer', 'string', 'NULL'), TRUE))
{
if ($type === 'double')
{
$column_key = (int) $column_key;
}
elseif ($type === 'object' && method_exists($column_key, '__toString'))
{
$column_key = (string) $column_key;
}
else
{
trigger_error('array_column(): The column key should be either a string or an integer', E_USER_WARNING);
return FALSE;
}
}
if ( ! in_array($type = gettype($index_key), array('integer', 'string', 'NULL'), TRUE))
{
if ($type === 'double')
{
$index_key = (int) $index_key;
}
elseif ($type === 'object' && method_exists($index_key, '__toString'))
{
$index_key = (string) $index_key;
}
else
{
trigger_error('array_column(): The index key should be either a string or an integer', E_USER_WARNING);
return FALSE;
}
}
$result = array();
foreach ($array as &$a)
{
if ($column_key === NULL)
{
$value = $a;
}
elseif (is_array($a) && array_key_exists($column_key, $a))
{
$value = $a[$column_key];
}
else
{
continue;
}
if ($index_key === NULL OR ! array_key_exists($index_key, $a))
{
$result[] = $value;
}
else
{
$result[$a[$index_key]] = $value;
}
}
return $result;
}
}
// ------------------------------------------------------------------------
if (is_php('5.4'))
{
return;
}
// ------------------------------------------------------------------------
if ( ! function_exists('hex2bin'))
{
/**
* hex2bin()
*
* @link http://php.net/hex2bin
* @param string $data
* @return string
*/
function hex2bin($data)
{
if (in_array($type = gettype($data), array('array', 'double', 'object', 'resource'), TRUE))
{
if ($type === 'object' && method_exists($data, '__toString'))
{
$data = (string) $data;
}
else
{
trigger_error('hex2bin() expects parameter 1 to be string, '.$type.' given', E_USER_WARNING);
return NULL;
}
}
if (strlen($data) % 2 !== 0)
{
trigger_error('Hexadecimal input string must have an even length', E_USER_WARNING);
return FALSE;
}
elseif ( ! preg_match('/^[0-9a-f]*$/i', $data))
{
trigger_error('Input string must be hexadecimal string', E_USER_WARNING);
return FALSE;
}
return pack('H*', $data);
}
}

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

218
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Initialize the database
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*
* @param string|string[] $params
* @param bool $query_builder_override
* Determines if query builder should be used or not
*/
function &DB($params = '', $query_builder_override = NULL)
{
// Load the DB config file if a DSN string wasn't passed
if (is_string($params) && strpos($params, '://') === FALSE)
{
// Is the config file in the environment folder?
if ( ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php')
&& ! file_exists($file_path = APPPATH.'config/database.php'))
{
show_error('The configuration file database.php does not exist.');
}
include($file_path);
// Make packages contain database config files,
// given that the controller instance already exists
if (class_exists('CI_Controller', FALSE))
{
foreach (get_instance()->load->get_package_paths() as $path)
{
if ($path !== APPPATH)
{
if (file_exists($file_path = $path.'config/'.ENVIRONMENT.'/database.php'))
{
include($file_path);
}
elseif (file_exists($file_path = $path.'config/database.php'))
{
include($file_path);
}
}
}
}
if ( ! isset($db) OR count($db) === 0)
{
show_error('No database connection settings were found in the database config file.');
}
if ($params !== '')
{
$active_group = $params;
}
if ( ! isset($active_group))
{
show_error('You have not specified a database connection group via $active_group in your config/database.php file.');
}
elseif ( ! isset($db[$active_group]))
{
show_error('You have specified an invalid database connection group ('.$active_group.') in your config/database.php file.');
}
$params = $db[$active_group];
}
elseif (is_string($params))
{
/**
* Parse the URL from the DSN string
* Database settings can be passed as discreet
* parameters or as a data source name in the first
* parameter. DSNs must have this prototype:
* $dsn = 'driver://username:password@hostname/database';
*/
if (($dsn = @parse_url($params)) === FALSE)
{
show_error('Invalid DB Connection String');
}
$params = array(
'dbdriver' => $dsn['scheme'],
'hostname' => isset($dsn['host']) ? rawurldecode($dsn['host']) : '',
'port' => isset($dsn['port']) ? rawurldecode($dsn['port']) : '',
'username' => isset($dsn['user']) ? rawurldecode($dsn['user']) : '',
'password' => isset($dsn['pass']) ? rawurldecode($dsn['pass']) : '',
'database' => isset($dsn['path']) ? rawurldecode(substr($dsn['path'], 1)) : ''
);
// Were additional config items set?
if (isset($dsn['query']))
{
parse_str($dsn['query'], $extra);
foreach ($extra as $key => $val)
{
if (is_string($val) && in_array(strtoupper($val), array('TRUE', 'FALSE', 'NULL')))
{
$val = var_export($val, TRUE);
}
$params[$key] = $val;
}
}
}
// No DB specified yet? Beat them senseless...
if (empty($params['dbdriver']))
{
show_error('You have not selected a database type to connect to.');
}
// Load the DB classes. Note: Since the query builder class is optional
// we need to dynamically create a class that extends proper parent class
// based on whether we're using the query builder class or not.
if ($query_builder_override !== NULL)
{
$query_builder = $query_builder_override;
}
// Backwards compatibility work-around for keeping the
// $active_record config variable working. Should be
// removed in v3.1
elseif ( ! isset($query_builder) && isset($active_record))
{
$query_builder = $active_record;
}
require_once(BASEPATH.'database/DB_driver.php');
if ( ! isset($query_builder) OR $query_builder === TRUE)
{
require_once(BASEPATH.'database/DB_query_builder.php');
if ( ! class_exists('CI_DB', FALSE))
{
/**
* CI_DB
*
* Acts as an alias for both CI_DB_driver and CI_DB_query_builder.
*
* @see CI_DB_query_builder
* @see CI_DB_driver
*/
class CI_DB extends CI_DB_query_builder { }
}
}
elseif ( ! class_exists('CI_DB', FALSE))
{
/**
* @ignore
*/
class CI_DB extends CI_DB_driver { }
}
// Load the DB driver
$driver_file = BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php';
file_exists($driver_file) OR show_error('Invalid DB driver');
require_once($driver_file);
// Instantiate the DB adapter
$driver = 'CI_DB_'.$params['dbdriver'].'_driver';
$DB = new $driver($params);
// Check for a subdriver
if ( ! empty($DB->subdriver))
{
$driver_file = BASEPATH.'database/drivers/'.$DB->dbdriver.'/subdrivers/'.$DB->dbdriver.'_'.$DB->subdriver.'_driver.php';
if (file_exists($driver_file))
{
require_once($driver_file);
$driver = 'CI_DB_'.$DB->dbdriver.'_'.$DB->subdriver.'_driver';
$DB = new $driver($params);
}
}
$DB->initialize();
return $DB;
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Database Cache Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_Cache {
/**
* CI Singleton
*
* @var object
*/
public $CI;
/**
* Database object
*
* Allows passing of DB object so that multiple database connections
* and returned DB objects can be supported.
*
* @var object
*/
public $db;
// --------------------------------------------------------------------
/**
* Constructor
*
* @param object &$db
* @return void
*/
public function __construct(&$db)
{
// Assign the main CI object to $this->CI and load the file helper since we use it a lot
$this->CI =& get_instance();
$this->db =& $db;
$this->CI->load->helper('file');
$this->check_path();
}
// --------------------------------------------------------------------
/**
* Set Cache Directory Path
*
* @param string $path Path to the cache directory
* @return bool
*/
public function check_path($path = '')
{
if ($path === '')
{
if ($this->db->cachedir === '')
{
return $this->db->cache_off();
}
$path = $this->db->cachedir;
}
// Add a trailing slash to the path if needed
$path = realpath($path)
? rtrim(realpath($path), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR
: rtrim($path, '/').'/';
if ( ! is_dir($path))
{
log_message('debug', 'DB cache path error: '.$path);
// If the path is wrong we'll turn off caching
return $this->db->cache_off();
}
if ( ! is_really_writable($path))
{
log_message('debug', 'DB cache dir not writable: '.$path);
// If the path is not really writable we'll turn off caching
return $this->db->cache_off();
}
$this->db->cachedir = $path;
return TRUE;
}
// --------------------------------------------------------------------
/**
* Retrieve a cached query
*
* The URI being requested will become the name of the cache sub-folder.
* An MD5 hash of the SQL statement will become the cache file name.
*
* @param string $sql
* @return string
*/
public function read($sql)
{
$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
$filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql);
if ( ! is_file($filepath) OR FALSE === ($cachedata = file_get_contents($filepath)))
{
return FALSE;
}
return unserialize($cachedata);
}
// --------------------------------------------------------------------
/**
* Write a query to a cache file
*
* @param string $sql
* @param object $object
* @return bool
*/
public function write($sql, $object)
{
$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
$dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
$filename = md5($sql);
if ( ! is_dir($dir_path) && ! @mkdir($dir_path, 0750))
{
return FALSE;
}
if (write_file($dir_path.$filename, serialize($object)) === FALSE)
{
return FALSE;
}
chmod($dir_path.$filename, 0640);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Delete cache files within a particular directory
*
* @param string $segment_one
* @param string $segment_two
* @return void
*/
public function delete($segment_one = '', $segment_two = '')
{
if ($segment_one === '')
{
$segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1);
}
if ($segment_two === '')
{
$segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2);
}
$dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/';
delete_files($dir_path, TRUE);
}
// --------------------------------------------------------------------
/**
* Delete all existing cache files
*
* @return void
*/
public function delete_all()
{
delete_files($this->db->cachedir, TRUE, TRUE);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Database Result Class
*
* This is the platform-independent result class.
* This class will not be called directly. Rather, the adapter
* class for the specific database will extend and instantiate it.
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_result {
/**
* Connection ID
*
* @var resource|object
*/
public $conn_id;
/**
* Result ID
*
* @var resource|object
*/
public $result_id;
/**
* Result Array
*
* @var array[]
*/
public $result_array = array();
/**
* Result Object
*
* @var object[]
*/
public $result_object = array();
/**
* Custom Result Object
*
* @var object[]
*/
public $custom_result_object = array();
/**
* Current Row index
*
* @var int
*/
public $current_row = 0;
/**
* Number of rows
*
* @var int
*/
public $num_rows;
/**
* Row data
*
* @var array
*/
public $row_data;
// --------------------------------------------------------------------
/**
* Constructor
*
* @param object $driver_object
* @return void
*/
public function __construct(&$driver_object)
{
$this->conn_id = $driver_object->conn_id;
$this->result_id = $driver_object->result_id;
}
// --------------------------------------------------------------------
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
if (is_int($this->num_rows))
{
return $this->num_rows;
}
elseif (count($this->result_array) > 0)
{
return $this->num_rows = count($this->result_array);
}
elseif (count($this->result_object) > 0)
{
return $this->num_rows = count($this->result_object);
}
return $this->num_rows = count($this->result_array());
}
// --------------------------------------------------------------------
/**
* Query result. Acts as a wrapper function for the following functions.
*
* @param string $type 'object', 'array' or a custom class name
* @return array
*/
public function result($type = 'object')
{
if ($type === 'array')
{
return $this->result_array();
}
elseif ($type === 'object')
{
return $this->result_object();
}
return $this->custom_result_object($type);
}
// --------------------------------------------------------------------
/**
* Custom query result.
*
* @param string $class_name
* @return array
*/
public function custom_result_object($class_name)
{
if (isset($this->custom_result_object[$class_name]))
{
return $this->custom_result_object[$class_name];
}
elseif ( ! $this->result_id OR $this->num_rows === 0)
{
return array();
}
// Don't fetch the result set again if we already have it
$_data = NULL;
if (($c = count($this->result_array)) > 0)
{
$_data = 'result_array';
}
elseif (($c = count($this->result_object)) > 0)
{
$_data = 'result_object';
}
if ($_data !== NULL)
{
for ($i = 0; $i < $c; $i++)
{
$this->custom_result_object[$class_name][$i] = new $class_name();
foreach ($this->{$_data}[$i] as $key => $value)
{
$this->custom_result_object[$class_name][$i]->$key = $value;
}
}
return $this->custom_result_object[$class_name];
}
is_null($this->row_data) OR $this->data_seek(0);
$this->custom_result_object[$class_name] = array();
while ($row = $this->_fetch_object($class_name))
{
$this->custom_result_object[$class_name][] = $row;
}
return $this->custom_result_object[$class_name];
}
// --------------------------------------------------------------------
/**
* Query result. "object" version.
*
* @return array
*/
public function result_object()
{
if (count($this->result_object) > 0)
{
return $this->result_object;
}
// In the event that query caching is on, the result_id variable
// will not be a valid resource so we'll simply return an empty
// array.
if ( ! $this->result_id OR $this->num_rows === 0)
{
return array();
}
if (($c = count($this->result_array)) > 0)
{
for ($i = 0; $i < $c; $i++)
{
$this->result_object[$i] = (object) $this->result_array[$i];
}
return $this->result_object;
}
is_null($this->row_data) OR $this->data_seek(0);
while ($row = $this->_fetch_object())
{
$this->result_object[] = $row;
}
return $this->result_object;
}
// --------------------------------------------------------------------
/**
* Query result. "array" version.
*
* @return array
*/
public function result_array()
{
if (count($this->result_array) > 0)
{
return $this->result_array;
}
// In the event that query caching is on, the result_id variable
// will not be a valid resource so we'll simply return an empty
// array.
if ( ! $this->result_id OR $this->num_rows === 0)
{
return array();
}
if (($c = count($this->result_object)) > 0)
{
for ($i = 0; $i < $c; $i++)
{
$this->result_array[$i] = (array) $this->result_object[$i];
}
return $this->result_array;
}
is_null($this->row_data) OR $this->data_seek(0);
while ($row = $this->_fetch_assoc())
{
$this->result_array[] = $row;
}
return $this->result_array;
}
// --------------------------------------------------------------------
/**
* Row
*
* A wrapper method.
*
* @param mixed $n
* @param string $type 'object' or 'array'
* @return mixed
*/
public function row($n = 0, $type = 'object')
{
if ( ! is_numeric($n))
{
// We cache the row data for subsequent uses
is_array($this->row_data) OR $this->row_data = $this->row_array(0);
// array_key_exists() instead of isset() to allow for NULL values
if (empty($this->row_data) OR ! array_key_exists($n, $this->row_data))
{
return NULL;
}
return $this->row_data[$n];
}
if ($type === 'object') return $this->row_object($n);
elseif ($type === 'array') return $this->row_array($n);
return $this->custom_row_object($n, $type);
}
// --------------------------------------------------------------------
/**
* Assigns an item into a particular column slot
*
* @param mixed $key
* @param mixed $value
* @return void
*/
public function set_row($key, $value = NULL)
{
// We cache the row data for subsequent uses
if ( ! is_array($this->row_data))
{
$this->row_data = $this->row_array(0);
}
if (is_array($key))
{
foreach ($key as $k => $v)
{
$this->row_data[$k] = $v;
}
return;
}
if ($key !== '' && $value !== NULL)
{
$this->row_data[$key] = $value;
}
}
// --------------------------------------------------------------------
/**
* Returns a single result row - custom object version
*
* @param int $n
* @param string $type
* @return object
*/
public function custom_row_object($n, $type)
{
isset($this->custom_result_object[$type]) OR $this->custom_result_object($type);
if (count($this->custom_result_object[$type]) === 0)
{
return NULL;
}
if ($n !== $this->current_row && isset($this->custom_result_object[$type][$n]))
{
$this->current_row = $n;
}
return $this->custom_result_object[$type][$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns a single result row - object version
*
* @param int $n
* @return object
*/
public function row_object($n = 0)
{
$result = $this->result_object();
if (count($result) === 0)
{
return NULL;
}
if ($n !== $this->current_row && isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns a single result row - array version
*
* @param int $n
* @return array
*/
public function row_array($n = 0)
{
$result = $this->result_array();
if (count($result) === 0)
{
return NULL;
}
if ($n !== $this->current_row && isset($result[$n]))
{
$this->current_row = $n;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns the "first" row
*
* @param string $type
* @return mixed
*/
public function first_row($type = 'object')
{
$result = $this->result($type);
return (count($result) === 0) ? NULL : $result[0];
}
// --------------------------------------------------------------------
/**
* Returns the "last" row
*
* @param string $type
* @return mixed
*/
public function last_row($type = 'object')
{
$result = $this->result($type);
return (count($result) === 0) ? NULL : $result[count($result) - 1];
}
// --------------------------------------------------------------------
/**
* Returns the "next" row
*
* @param string $type
* @return mixed
*/
public function next_row($type = 'object')
{
$result = $this->result($type);
if (count($result) === 0)
{
return NULL;
}
return isset($result[$this->current_row + 1])
? $result[++$this->current_row]
: NULL;
}
// --------------------------------------------------------------------
/**
* Returns the "previous" row
*
* @param string $type
* @return mixed
*/
public function previous_row($type = 'object')
{
$result = $this->result($type);
if (count($result) === 0)
{
return NULL;
}
if (isset($result[$this->current_row - 1]))
{
--$this->current_row;
}
return $result[$this->current_row];
}
// --------------------------------------------------------------------
/**
* Returns an unbuffered row and move pointer to next row
*
* @param string $type 'array', 'object' or a custom class name
* @return mixed
*/
public function unbuffered_row($type = 'object')
{
if ($type === 'array')
{
return $this->_fetch_assoc();
}
elseif ($type === 'object')
{
return $this->_fetch_object();
}
return $this->_fetch_object($type);
}
// --------------------------------------------------------------------
/**
* The following methods are normally overloaded by the identically named
* methods in the platform-specific driver -- except when query caching
* is used. When caching is enabled we do not load the other driver.
* These functions are primarily here to prevent undefined function errors
* when a cached result object is in use. They are not otherwise fully
* operational due to the unavailability of the database resource IDs with
* cached results.
*/
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* Overridden by driver result classes.
*
* @return int
*/
public function num_fields()
{
return 0;
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names.
*
* Overridden by driver result classes.
*
* @return array
*/
public function list_fields()
{
return array();
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data.
*
* Overridden by driver result classes.
*
* @return array
*/
public function field_data()
{
return array();
}
// --------------------------------------------------------------------
/**
* Free the result
*
* Overridden by driver result classes.
*
* @return void
*/
public function free_result()
{
$this->result_id = FALSE;
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero.
*
* Overridden by driver result classes.
*
* @param int $n
* @return bool
*/
public function data_seek($n = 0)
{
return FALSE;
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array.
*
* Overridden by driver result classes.
*
* @return array
*/
protected function _fetch_assoc()
{
return array();
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object.
*
* Overridden by driver result classes.
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
return new $class_name();
}
}

424
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Database Utility Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
abstract class CI_DB_utility {
/**
* Database object
*
* @var object
*/
protected $db;
// --------------------------------------------------------------------
/**
* List databases statement
*
* @var string
*/
protected $_list_databases = FALSE;
/**
* OPTIMIZE TABLE statement
*
* @var string
*/
protected $_optimize_table = FALSE;
/**
* REPAIR TABLE statement
*
* @var string
*/
protected $_repair_table = FALSE;
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param object &$db Database object
* @return void
*/
public function __construct(&$db)
{
$this->db =& $db;
log_message('info', 'Database Utility Class Initialized');
}
// --------------------------------------------------------------------
/**
* List databases
*
* @return array
*/
public function list_databases()
{
// Is there a cached result?
if (isset($this->db->data_cache['db_names']))
{
return $this->db->data_cache['db_names'];
}
elseif ($this->_list_databases === FALSE)
{
return ($this->db->db_debug) ? $this->db->display_error('db_unsupported_feature') : FALSE;
}
$this->db->data_cache['db_names'] = array();
$query = $this->db->query($this->_list_databases);
if ($query === FALSE)
{
return $this->db->data_cache['db_names'];
}
for ($i = 0, $query = $query->result_array(), $c = count($query); $i < $c; $i++)
{
$this->db->data_cache['db_names'][] = current($query[$i]);
}
return $this->db->data_cache['db_names'];
}
// --------------------------------------------------------------------
/**
* Determine if a particular database exists
*
* @param string $database_name
* @return bool
*/
public function database_exists($database_name)
{
return in_array($database_name, $this->list_databases());
}
// --------------------------------------------------------------------
/**
* Optimize Table
*
* @param string $table_name
* @return mixed
*/
public function optimize_table($table_name)
{
if ($this->_optimize_table === FALSE)
{
return ($this->db->db_debug) ? $this->db->display_error('db_unsupported_feature') : FALSE;
}
$query = $this->db->query(sprintf($this->_optimize_table, $this->db->escape_identifiers($table_name)));
if ($query !== FALSE)
{
$query = $query->result_array();
return current($query);
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Optimize Database
*
* @return mixed
*/
public function optimize_database()
{
if ($this->_optimize_table === FALSE)
{
return ($this->db->db_debug) ? $this->db->display_error('db_unsupported_feature') : FALSE;
}
$result = array();
foreach ($this->db->list_tables() as $table_name)
{
$res = $this->db->query(sprintf($this->_optimize_table, $this->db->escape_identifiers($table_name)));
if (is_bool($res))
{
return $res;
}
// Build the result array...
$res = $res->result_array();
$res = current($res);
$key = str_replace($this->db->database.'.', '', current($res));
$keys = array_keys($res);
unset($res[$keys[0]]);
$result[$key] = $res;
}
return $result;
}
// --------------------------------------------------------------------
/**
* Repair Table
*
* @param string $table_name
* @return mixed
*/
public function repair_table($table_name)
{
if ($this->_repair_table === FALSE)
{
return ($this->db->db_debug) ? $this->db->display_error('db_unsupported_feature') : FALSE;
}
$query = $this->db->query(sprintf($this->_repair_table, $this->db->escape_identifiers($table_name)));
if (is_bool($query))
{
return $query;
}
$query = $query->result_array();
return current($query);
}
// --------------------------------------------------------------------
/**
* Generate CSV from a query result object
*
* @param object $query Query result object
* @param string $delim Delimiter (default: ,)
* @param string $newline Newline character (default: \n)
* @param string $enclosure Enclosure (default: ")
* @return string
*/
public function csv_from_result($query, $delim = ',', $newline = "\n", $enclosure = '"')
{
if ( ! is_object($query) OR ! method_exists($query, 'list_fields'))
{
show_error('You must submit a valid result object');
}
$out = '';
// First generate the headings from the table column names
foreach ($query->list_fields() as $name)
{
$out .= $enclosure.str_replace($enclosure, $enclosure.$enclosure, $name).$enclosure.$delim;
}
$out = substr($out, 0, -strlen($delim)).$newline;
// Next blast through the result array and build out the rows
while ($row = $query->unbuffered_row('array'))
{
$line = array();
foreach ($row as $item)
{
$line[] = $enclosure.str_replace($enclosure, $enclosure.$enclosure, $item).$enclosure;
}
$out .= implode($delim, $line).$newline;
}
return $out;
}
// --------------------------------------------------------------------
/**
* Generate XML data from a query result object
*
* @param object $query Query result object
* @param array $params Any preferences
* @return string
*/
public function xml_from_result($query, $params = array())
{
if ( ! is_object($query) OR ! method_exists($query, 'list_fields'))
{
show_error('You must submit a valid result object');
}
// Set our default values
foreach (array('root' => 'root', 'element' => 'element', 'newline' => "\n", 'tab' => "\t") as $key => $val)
{
if ( ! isset($params[$key]))
{
$params[$key] = $val;
}
}
// Create variables for convenience
extract($params);
// Load the xml helper
get_instance()->load->helper('xml');
// Generate the result
$xml = '<'.$root.'>'.$newline;
while ($row = $query->unbuffered_row())
{
$xml .= $tab.'<'.$element.'>'.$newline;
foreach ($row as $key => $val)
{
$xml .= $tab.$tab.'<'.$key.'>'.xml_convert($val).'</'.$key.'>'.$newline;
}
$xml .= $tab.'</'.$element.'>'.$newline;
}
return $xml.'</'.$root.'>'.$newline;
}
// --------------------------------------------------------------------
/**
* Database Backup
*
* @param array $params
* @return string
*/
public function backup($params = array())
{
// If the parameters have not been submitted as an
// array then we know that it is simply the table
// name, which is a valid short cut.
if (is_string($params))
{
$params = array('tables' => $params);
}
// Set up our default preferences
$prefs = array(
'tables' => array(),
'ignore' => array(),
'filename' => '',
'format' => 'gzip', // gzip, zip, txt
'add_drop' => TRUE,
'add_insert' => TRUE,
'newline' => "\n",
'foreign_key_checks' => TRUE
);
// Did the user submit any preferences? If so set them....
if (count($params) > 0)
{
foreach ($prefs as $key => $val)
{
if (isset($params[$key]))
{
$prefs[$key] = $params[$key];
}
}
}
// Are we backing up a complete database or individual tables?
// If no table names were submitted we'll fetch the entire table list
if (count($prefs['tables']) === 0)
{
$prefs['tables'] = $this->db->list_tables();
}
// Validate the format
if ( ! in_array($prefs['format'], array('gzip', 'zip', 'txt'), TRUE))
{
$prefs['format'] = 'txt';
}
// Is the encoder supported? If not, we'll either issue an
// error or use plain text depending on the debug settings
if (($prefs['format'] === 'gzip' && ! function_exists('gzencode'))
OR ($prefs['format'] === 'zip' && ! function_exists('gzcompress')))
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsupported_compression');
}
$prefs['format'] = 'txt';
}
// Was a Zip file requested?
if ($prefs['format'] === 'zip')
{
// Set the filename if not provided (only needed with Zip files)
if ($prefs['filename'] === '')
{
$prefs['filename'] = (count($prefs['tables']) === 1 ? $prefs['tables'] : $this->db->database)
.date('Y-m-d_H-i', time()).'.sql';
}
else
{
// If they included the .zip file extension we'll remove it
if (preg_match('|.+?\.zip$|', $prefs['filename']))
{
$prefs['filename'] = str_replace('.zip', '', $prefs['filename']);
}
// Tack on the ".sql" file extension if needed
if ( ! preg_match('|.+?\.sql$|', $prefs['filename']))
{
$prefs['filename'] .= '.sql';
}
}
// Load the Zip class and output it
$CI =& get_instance();
$CI->load->library('zip');
$CI->zip->add_data($prefs['filename'], $this->_backup($prefs));
return $CI->zip->get_zip();
}
elseif ($prefs['format'] === 'txt') // Was a text file requested?
{
return $this->_backup($prefs);
}
elseif ($prefs['format'] === 'gzip') // Was a Gzip file requested?
{
return gzencode($this->_backup($prefs));
}
return;
}
}

405
system/database/drivers/cubrid/cubrid_driver.php Normal file
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CUBRID Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author Esen Sagynov
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_driver extends CI_DB {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'cubrid';
/**
* Auto-commit flag
*
* @var bool
*/
public $auto_commit = TRUE;
// --------------------------------------------------------------------
/**
* Identifier escape character
*
* @var string
*/
protected $_escape_char = '`';
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('RANDOM()', 'RANDOM(%d)');
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:[^:]*:[^:]*:(\?.+)?$/', $this->dsn, $matches))
{
if (stripos($matches[2], 'autocommit=off') !== FALSE)
{
$this->auto_commit = FALSE;
}
}
else
{
// If no port is defined by the user, use the default value
empty($this->port) OR $this->port = 33000;
}
}
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @param bool $persistent
* @return resource
*/
public function db_connect($persistent = FALSE)
{
if (preg_match('/^CUBRID:[^:]+(:[0-9][1-9]{0,4})?:[^:]+:([^:]*):([^:]*):(\?.+)?$/', $this->dsn, $matches))
{
$func = ($persistent !== TRUE) ? 'cubrid_connect_with_url' : 'cubrid_pconnect_with_url';
return ($matches[2] === '' && $matches[3] === '' && $this->username !== '' && $this->password !== '')
? $func($this->dsn, $this->username, $this->password)
: $func($this->dsn);
}
$func = ($persistent !== TRUE) ? 'cubrid_connect' : 'cubrid_pconnect';
return ($this->username !== '')
? $func($this->hostname, $this->port, $this->database, $this->username, $this->password)
: $func($this->hostname, $this->port, $this->database);
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @return void
*/
public function reconnect()
{
if (cubrid_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
return ( ! $this->conn_id OR ($version = cubrid_get_server_info($this->conn_id)) === FALSE)
? FALSE
: $this->data_cache['version'] = $version;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return resource
*/
protected function _execute($sql)
{
return cubrid_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
if (($autocommit = cubrid_get_autocommit($this->conn_id)) === NULL)
{
return FALSE;
}
elseif ($autocommit === TRUE)
{
return cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_FALSE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
if ( ! cubrid_commit($this->conn_id))
{
return FALSE;
}
if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id))
{
return cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
if ( ! cubrid_rollback($this->conn_id))
{
return FALSE;
}
if ($this->auto_commit && ! cubrid_get_autocommit($this->conn_id))
{
cubrid_set_autocommit($this->conn_id, CUBRID_AUTOCOMMIT_TRUE);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Platform-dependent string escape
*
* @param string
* @return string
*/
protected function _escape_str($str)
{
return cubrid_real_escape_string($str, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return cubrid_affected_rows();
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @return int
*/
public function insert_id()
{
return cubrid_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SHOW TABLES';
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->Field;
sscanf($query[$i]->Type, '%[a-z](%d)',
$retval[$i]->type,
$retval[$i]->max_length
);
$retval[$i]->default = $query[$i]->Default;
$retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
return array('code' => cubrid_errno($this->conn_id), 'message' => cubrid_error($this->conn_id));
}
// --------------------------------------------------------------------
/**
* FROM tables
*
* Groups tables in FROM clauses if needed, so there is no confusion
* about operator precedence.
*
* @return string
*/
protected function _from_tables()
{
if ( ! empty($this->qb_join) && count($this->qb_from) > 1)
{
return '('.implode(', ', $this->qb_from).')';
}
return implode(', ', $this->qb_from);
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
cubrid_close($this->conn_id);
}
}

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system/database/drivers/cubrid/cubrid_forge.php Normal file
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CUBRID Forge Class
*
* @category Database
* @author Esen Sagynov
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_forge extends CI_DB_forge {
/**
* CREATE DATABASE statement
*
* @var string
*/
protected $_create_database = FALSE;
/**
* CREATE TABLE keys flag
*
* Whether table keys are created from within the
* CREATE TABLE statement.
*
* @var bool
*/
protected $_create_table_keys = TRUE;
/**
* DROP DATABASE statement
*
* @var string
*/
protected $_drop_database = FALSE;
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = FALSE;
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'SHORT' => 'INTEGER',
'SMALLINT' => 'INTEGER',
'INT' => 'BIGINT',
'INTEGER' => 'BIGINT',
'BIGINT' => 'NUMERIC',
'FLOAT' => 'DOUBLE',
'REAL' => 'DOUBLE'
);
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if (in_array($alter_type, array('DROP', 'ADD'), TRUE))
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
$sqls[] = $sql.' CHANGE '.$field[$i]['_literal'];
}
else
{
$alter_type = empty($field[$i]['new_name']) ? ' MODIFY ' : ' CHANGE ';
$sqls[] = $sql.$alter_type.$this->_process_column($field[$i]);
}
}
return $sqls;
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
$extra_clause = isset($field['after'])
? ' AFTER '.$this->db->escape_identifiers($field['after']) : '';
if (empty($extra_clause) && isset($field['first']) && $field['first'] === TRUE)
{
$extra_clause = ' FIRST';
}
return $this->db->escape_identifiers($field['name'])
.(empty($field['new_name']) ? '' : ' '.$this->db->escape_identifiers($field['new_name']))
.' '.$field['type'].$field['length']
.$field['unsigned']
.$field['null']
.$field['default']
.$field['auto_increment']
.$field['unique']
.$extra_clause;
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
$attributes['UNSIGNED'] = FALSE;
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
case 'LONGTEXT':
$attributes['TYPE'] = 'STRING';
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Process indexes
*
* @param string $table (ignored)
* @return string
*/
protected function _process_indexes($table)
{
$sql = '';
for ($i = 0, $c = count($this->keys); $i < $c; $i++)
{
if (is_array($this->keys[$i]))
{
for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
{
if ( ! isset($this->fields[$this->keys[$i][$i2]]))
{
unset($this->keys[$i][$i2]);
continue;
}
}
}
elseif ( ! isset($this->fields[$this->keys[$i]]))
{
unset($this->keys[$i]);
continue;
}
is_array($this->keys[$i]) OR $this->keys[$i] = array($this->keys[$i]);
$sql .= ",\n\tKEY ".$this->db->escape_identifiers(implode('_', $this->keys[$i]))
.' ('.implode(', ', $this->db->escape_identifiers($this->keys[$i])).')';
}
$this->keys = array();
return $sql;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CUBRID Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author Esen Sagynov
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
return is_int($this->num_rows)
? $this->num_rows
: $this->num_rows = cubrid_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
return cubrid_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
return cubrid_column_names($this->result_id);
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
$retval = array();
for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = cubrid_field_name($this->result_id, $i);
$retval[$i]->type = cubrid_field_type($this->result_id, $i);
$retval[$i]->max_length = cubrid_field_len($this->result_id, $i);
$retval[$i]->primary_key = (int) (strpos(cubrid_field_flags($this->result_id, $i), 'primary_key') !== FALSE);
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_resource($this->result_id) OR
(get_resource_type($this->result_id) === 'Unknown' && preg_match('/Resource id #/', strval($this->result_id))))
{
cubrid_close_request($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero.
*
* @param int $n
* @return bool
*/
public function data_seek($n = 0)
{
return cubrid_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
return cubrid_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
return cubrid_fetch_object($this->result_id, $class_name);
}
}

79
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CUBRID Utility Class
*
* @category Database
* @author Esen Sagynov
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_cubrid_utility extends CI_DB_utility {
/**
* List databases
*
* @return array
*/
public function list_databases()
{
if (isset($this->db->data_cache['db_names']))
{
return $this->db->data_cache['db_names'];
}
return $this->db->data_cache['db_names'] = cubrid_list_dbs($this->db->conn_id);
}
// --------------------------------------------------------------------
/**
* CUBRID Export
*
* @param array Preferences
* @return mixed
*/
protected function _backup($params = array())
{
// No SQL based support in CUBRID as of version 8.4.0. Database or
// table backup can be performed using CUBRID Manager
// database administration tool.
return $this->db->display_error('db_unsupported_feature');
}
}

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

413
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Firebird/Interbase Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_ibase_driver extends CI_DB {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'ibase';
// --------------------------------------------------------------------
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('RAND()', 'RAND()');
/**
* IBase Transaction status flag
*
* @var resource
*/
protected $_ibase_trans;
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @param bool $persistent
* @return resource
*/
public function db_connect($persistent = FALSE)
{
return ($persistent === TRUE)
? ibase_pconnect($this->hostname.':'.$this->database, $this->username, $this->password, $this->char_set)
: ibase_connect($this->hostname.':'.$this->database, $this->username, $this->password, $this->char_set);
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
if (($service = ibase_service_attach($this->hostname, $this->username, $this->password)))
{
$this->data_cache['version'] = ibase_server_info($service, IBASE_SVC_SERVER_VERSION);
// Don't keep the service open
ibase_service_detach($service);
return $this->data_cache['version'];
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return resource
*/
protected function _execute($sql)
{
return ibase_query(isset($this->_ibase_trans) ? $this->_ibase_trans : $this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
if (($trans_handle = ibase_trans($this->conn_id)) === FALSE)
{
return FALSE;
}
$this->_ibase_trans = $trans_handle;
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
if (ibase_commit($this->_ibase_trans))
{
$this->_ibase_trans = NULL;
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
if (ibase_rollback($this->_ibase_trans))
{
$this->_ibase_trans = NULL;
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return ibase_affected_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @param string $generator_name
* @param int $inc_by
* @return int
*/
public function insert_id($generator_name, $inc_by = 0)
{
//If a generator hasn't been used before it will return 0
return ibase_gen_id('"'.$generator_name.'"', $inc_by);
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT TRIM("RDB$RELATION_NAME") AS TABLE_NAME FROM "RDB$RELATIONS" WHERE "RDB$RELATION_NAME" NOT LIKE \'RDB$%\' AND "RDB$RELATION_NAME" NOT LIKE \'MON$%\'';
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql.' AND TRIM("RDB$RELATION_NAME") AS TABLE_NAME LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SELECT TRIM("RDB$FIELD_NAME") AS COLUMN_NAME FROM "RDB$RELATION_FIELDS" WHERE "RDB$RELATION_NAME" = '.$this->escape($table);
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
$sql = 'SELECT "rfields"."RDB$FIELD_NAME" AS "name",
CASE "fields"."RDB$FIELD_TYPE"
WHEN 7 THEN \'SMALLINT\'
WHEN 8 THEN \'INTEGER\'
WHEN 9 THEN \'QUAD\'
WHEN 10 THEN \'FLOAT\'
WHEN 11 THEN \'DFLOAT\'
WHEN 12 THEN \'DATE\'
WHEN 13 THEN \'TIME\'
WHEN 14 THEN \'CHAR\'
WHEN 16 THEN \'INT64\'
WHEN 27 THEN \'DOUBLE\'
WHEN 35 THEN \'TIMESTAMP\'
WHEN 37 THEN \'VARCHAR\'
WHEN 40 THEN \'CSTRING\'
WHEN 261 THEN \'BLOB\'
ELSE NULL
END AS "type",
"fields"."RDB$FIELD_LENGTH" AS "max_length",
"rfields"."RDB$DEFAULT_VALUE" AS "default"
FROM "RDB$RELATION_FIELDS" "rfields"
JOIN "RDB$FIELDS" "fields" ON "rfields"."RDB$FIELD_SOURCE" = "fields"."RDB$FIELD_NAME"
WHERE "rfields"."RDB$RELATION_NAME" = '.$this->escape($table).'
ORDER BY "rfields"."RDB$FIELD_POSITION"';
return (($query = $this->query($sql)) !== FALSE)
? $query->result_object()
: FALSE;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
return array('code' => ibase_errcode(), 'message' => ibase_errmsg());
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'DELETE FROM '.$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
$this->qb_limit = FALSE;
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
// Limit clause depends on if Interbase or Firebird
if (stripos($this->version(), 'firebird') !== FALSE)
{
$select = 'FIRST '.$this->qb_limit
.($this->qb_offset ? ' SKIP '.$this->qb_offset : '');
}
else
{
$select = 'ROWS '
.($this->qb_offset ? $this->qb_offset.' TO '.($this->qb_limit + $this->qb_offset) : $this->qb_limit);
}
return preg_replace('`SELECT`i', 'SELECT '.$select, $sql, 1);
}
// --------------------------------------------------------------------
/**
* Insert batch statement
*
* Generates a platform-specific insert string from the supplied data.
*
* @param string $table Table name
* @param array $keys INSERT keys
* @param array $values INSERT values
* @return string|bool
*/
protected function _insert_batch($table, $keys, $values)
{
return ($this->db_debug) ? $this->display_error('db_unsupported_feature') : FALSE;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
ibase_close($this->conn_id);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Interbase/Firebird Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_ibase_forge extends CI_DB_forge {
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = FALSE;
/**
* RENAME TABLE statement
*
* @var string
*/
protected $_rename_table = FALSE;
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = FALSE;
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'SMALLINT' => 'INTEGER',
'INTEGER' => 'INT64',
'FLOAT' => 'DOUBLE PRECISION'
);
/**
* NULL value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_null = 'NULL';
// --------------------------------------------------------------------
/**
* Create database
*
* @param string $db_name
* @return bool
*/
public function create_database($db_name)
{
// Firebird databases are flat files, so a path is required
// Hostname is needed for remote access
empty($this->db->hostname) OR $db_name = $this->hostname.':'.$db_name;
return parent::create_database('"'.$db_name.'"');
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @param string $db_name (ignored)
* @return bool
*/
public function drop_database($db_name)
{
if ( ! ibase_drop_db($this->conn_id))
{
return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
}
elseif ( ! empty($this->db->data_cache['db_names']))
{
$key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
if ($key !== FALSE)
{
unset($this->db->data_cache['db_names'][$key]);
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if (in_array($alter_type, array('DROP', 'ADD'), TRUE))
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
return FALSE;
}
if (isset($field[$i]['type']))
{
$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identififers($field[$i]['name'])
.' TYPE '.$field[$i]['type'].$field[$i]['length'];
}
if ( ! empty($field[$i]['default']))
{
$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' SET DEFAULT '.$field[$i]['default'];
}
if (isset($field[$i]['null']))
{
$sqls[] = 'UPDATE "RDB$RELATION_FIELDS" SET "RDB$NULL_FLAG" = '
.($field[$i]['null'] === TRUE ? 'NULL' : '1')
.' WHERE "RDB$FIELD_NAME" = '.$this->db->escape($field[$i]['name'])
.' AND "RDB$RELATION_NAME" = '.$this->db->escape($table);
}
if ( ! empty($field[$i]['new_name']))
{
$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' TO '.$this->db->escape_identifiers($field[$i]['new_name']);
}
}
return $sqls;
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
return $this->db->escape_identifiers($field['name'])
.' '.$field['type'].$field['length']
.$field['null']
.$field['unique']
.$field['default'];
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
$attributes['UNSIGNED'] = FALSE;
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
case 'INT':
$attributes['TYPE'] = 'INTEGER';
return;
case 'BIGINT':
$attributes['TYPE'] = 'INT64';
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
// Not supported
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Interbase/Firebird Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_ibase_result extends CI_DB_result {
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
return ibase_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
$field_names = array();
for ($i = 0, $num_fields = $this->num_fields(); $i < $num_fields; $i++)
{
$info = ibase_field_info($this->result_id, $i);
$field_names[] = $info['name'];
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
$retval = array();
for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$info = ibase_field_info($this->result_id, $i);
$retval[$i] = new stdClass();
$retval[$i]->name = $info['name'];
$retval[$i]->type = $info['type'];
$retval[$i]->max_length = $info['length'];
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
ibase_free_result($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
return ibase_fetch_assoc($this->result_id, IBASE_FETCH_BLOBS);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
$row = ibase_fetch_object($this->result_id, IBASE_FETCH_BLOBS);
if ($class_name === 'stdClass' OR ! $row)
{
return $row;
}
$class_name = new $class_name();
foreach ($row as $key => $value)
{
$class_name->$key = $value;
}
return $class_name;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Interbase/Firebird Utility Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_ibase_utility extends CI_DB_utility {
/**
* Export
*
* @param string $filename
* @return mixed
*/
protected function _backup($filename)
{
if ($service = ibase_service_attach($this->db->hostname, $this->db->username, $this->db->password))
{
$res = ibase_backup($service, $this->db->database, $filename.'.fbk');
// Close the service connection
ibase_service_detach($service);
return $res;
}
return FALSE;
}
}

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MS SQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_driver extends CI_DB {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'mssql';
// --------------------------------------------------------------------
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('NEWID()', 'RAND(%d)');
/**
* Quoted identifier flag
*
* Whether to use SQL-92 standard quoted identifier
* (double quotes) or brackets for identifier escaping.
*
* @var bool
*/
protected $_quoted_identifier = TRUE;
// --------------------------------------------------------------------
/**
* Class constructor
*
* Appends the port number to the hostname, if needed.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if ( ! empty($this->port))
{
$this->hostname .= (DIRECTORY_SEPARATOR === '\\' ? ',' : ':').$this->port;
}
}
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @param bool $persistent
* @return resource
*/
public function db_connect($persistent = FALSE)
{
$this->conn_id = ($persistent)
? mssql_pconnect($this->hostname, $this->username, $this->password)
: mssql_connect($this->hostname, $this->username, $this->password);
if ( ! $this->conn_id)
{
return FALSE;
}
// ----------------------------------------------------------------
// Select the DB... assuming a database name is specified in the config file
if ($this->database !== '' && ! $this->db_select())
{
log_message('error', 'Unable to select database: '.$this->database);
return ($this->db_debug === TRUE)
? $this->display_error('db_unable_to_select', $this->database)
: FALSE;
}
// Determine how identifiers are escaped
$query = $this->query('SELECT CASE WHEN (@@OPTIONS | 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');
$query = $query->row_array();
$this->_quoted_identifier = empty($query) ? FALSE : (bool) $query['qi'];
$this->_escape_char = ($this->_quoted_identifier) ? '"' : array('[', ']');
return $this->conn_id;
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @param string $database
* @return bool
*/
public function db_select($database = '')
{
if ($database === '')
{
$database = $this->database;
}
// Note: Escaping is required in the event that the DB name
// contains reserved characters.
if (mssql_select_db('['.$database.']', $this->conn_id))
{
$this->database = $database;
$this->data_cache = array();
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return mixed resource if rows are returned, bool otherwise
*/
protected function _execute($sql)
{
return mssql_query($sql, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
return $this->simple_query('BEGIN TRAN');
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
return $this->simple_query('COMMIT TRAN');
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
return $this->simple_query('ROLLBACK TRAN');
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return mssql_rows_affected($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* Returns the last id created in the Identity column.
*
* @return string
*/
public function insert_id()
{
$query = version_compare($this->version(), '8', '>=')
? 'SELECT SCOPE_IDENTITY() AS last_id'
: 'SELECT @@IDENTITY AS last_id';
$query = $this->query($query);
$query = $query->row();
return $query->last_id;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @param string $charset
* @return bool
*/
protected function _db_set_charset($charset)
{
return (ini_set('mssql.charset', $charset) !== FALSE);
}
// --------------------------------------------------------------------
/**
* Version number query string
*
* @return string
*/
protected function _version()
{
return "SELECT SERVERPROPERTY('ProductVersion') AS ver";
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT '.$this->escape_identifiers('name')
.' FROM '.$this->escape_identifiers('sysobjects')
.' WHERE '.$this->escape_identifiers('type')." = 'U'";
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
$sql .= ' AND '.$this->escape_identifiers('name')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql.' ORDER BY '.$this->escape_identifiers('name');
}
// --------------------------------------------------------------------
/**
* List column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.Columns
WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
$sql = 'SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION, COLUMN_DEFAULT
FROM INFORMATION_SCHEMA.Columns
WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
if (($query = $this->query($sql)) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->COLUMN_NAME;
$retval[$i]->type = $query[$i]->DATA_TYPE;
$retval[$i]->max_length = ($query[$i]->CHARACTER_MAXIMUM_LENGTH > 0) ? $query[$i]->CHARACTER_MAXIMUM_LENGTH : $query[$i]->NUMERIC_PRECISION;
$retval[$i]->default = $query[$i]->COLUMN_DEFAULT;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
// We need this because the error info is discarded by the
// server the first time you request it, and query() already
// calls error() once for logging purposes when a query fails.
static $error = array('code' => 0, 'message' => NULL);
$message = mssql_get_last_message();
if ( ! empty($message))
{
$error['code'] = $this->query('SELECT @@ERROR AS code')->row()->code;
$error['message'] = $message;
}
return $error;
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
$this->qb_orderby = array();
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'TRUNCATE TABLE '.$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
if ($this->qb_limit)
{
return 'WITH ci_delete AS (SELECT TOP '.$this->qb_limit.' * FROM '.$table.$this->_compile_wh('qb_where').') DELETE FROM ci_delete';
}
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
$limit = $this->qb_offset + $this->qb_limit;
// As of SQL Server 2005 (9.0.*) ROW_NUMBER() is supported,
// however an ORDER BY clause is required for it to work
if (version_compare($this->version(), '9', '>=') && $this->qb_offset && ! empty($this->qb_orderby))
{
$orderby = $this->_compile_order_by();
// We have to strip the ORDER BY clause
$sql = trim(substr($sql, 0, strrpos($sql, $orderby)));
// Get the fields to select from our subquery, so that we can avoid CI_rownum appearing in the actual results
if (count($this->qb_select) === 0 OR strpos(implode(',', $this->qb_select), '*') !== FALSE)
{
$select = '*'; // Inevitable
}
else
{
// Use only field names and their aliases, everything else is out of our scope.
$select = array();
$field_regexp = ($this->_quoted_identifier)
? '("[^\"]+")' : '(\[[^\]]+\])';
for ($i = 0, $c = count($this->qb_select); $i < $c; $i++)
{
$select[] = preg_match('/(?:\s|\.)'.$field_regexp.'$/i', $this->qb_select[$i], $m)
? $m[1] : $this->qb_select[$i];
}
$select = implode(', ', $select);
}
return 'SELECT '.$select." FROM (\n\n"
.preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.trim($orderby).') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
."\n\n) ".$this->escape_identifiers('CI_subquery')
."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.($this->qb_offset + 1).' AND '.$limit;
}
return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
}
// --------------------------------------------------------------------
/**
* Insert batch statement
*
* Generates a platform-specific insert string from the supplied data.
*
* @param string $table Table name
* @param array $keys INSERT keys
* @param array $values INSERT values
* @return string|bool
*/
protected function _insert_batch($table, $keys, $values)
{
// Multiple-value inserts are only supported as of SQL Server 2008
if (version_compare($this->version(), '10', '>='))
{
return parent::_insert_batch($table, $keys, $values);
}
return ($this->db_debug) ? $this->display_error('db_unsupported_feature') : FALSE;
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
mssql_close($this->conn_id);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MS SQL Forge Class
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_forge extends CI_DB_forge {
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nCREATE TABLE";
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = "IF EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nDROP TABLE";
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'TINYINT' => 'SMALLINT',
'SMALLINT' => 'INT',
'INT' => 'BIGINT',
'REAL' => 'FLOAT'
);
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if (in_array($alter_type, array('ADD', 'DROP'), TRUE))
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' ALTER COLUMN ';
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
$sqls[] = $sql.$this->_process_column($field[$i]);
}
return $sqls;
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
if (isset($attributes['CONSTRAINT']) && strpos($attributes['TYPE'], 'INT') !== FALSE)
{
unset($attributes['CONSTRAINT']);
}
switch (strtoupper($attributes['TYPE']))
{
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
case 'INTEGER':
$attributes['TYPE'] = 'INT';
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'int') !== FALSE)
{
$field['auto_increment'] = ' IDENTITY(1,1)';
}
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MSSQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
return is_int($this->num_rows)
? $this->num_rows
: $this->num_rows = mssql_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
return mssql_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
$field_names = array();
mssql_field_seek($this->result_id, 0);
while ($field = mssql_fetch_field($this->result_id))
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
$retval = array();
for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$field = mssql_fetch_field($this->result_id, $i);
$retval[$i] = new stdClass();
$retval[$i]->name = $field->name;
$retval[$i]->type = $field->type;
$retval[$i]->max_length = $field->max_length;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_resource($this->result_id))
{
mssql_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero.
*
* @param int $n
* @return bool
*/
public function data_seek($n = 0)
{
return mssql_data_seek($this->result_id, $n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
return mssql_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
$row = mssql_fetch_object($this->result_id);
if ($class_name === 'stdClass' OR ! $row)
{
return $row;
}
$class_name = new $class_name();
foreach ($row as $key => $value)
{
$class_name->$key = $value;
}
return $class_name;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MS SQL Utility Class
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mssql_utility extends CI_DB_utility {
/**
* List databases statement
*
* @var string
*/
protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases
/**
* OPTIMIZE TABLE statement
*
* @var string
*/
protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE';
/**
* Export
*
* @param array $params Preferences
* @return bool
*/
protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsupported_feature');
}
}

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

494
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_driver extends CI_DB {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'mysql';
/**
* Compression flag
*
* @var bool
*/
public $compress = FALSE;
/**
* DELETE hack flag
*
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
*
* @var bool
*/
public $delete_hack = TRUE;
/**
* Strict ON flag
*
* Whether we're running in strict SQL mode.
*
* @var bool
*/
public $stricton;
// --------------------------------------------------------------------
/**
* Identifier escape character
*
* @var string
*/
protected $_escape_char = '`';
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if ( ! empty($this->port))
{
$this->hostname .= ':'.$this->port;
}
}
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @param bool $persistent
* @return resource
*/
public function db_connect($persistent = FALSE)
{
$client_flags = ($this->compress === FALSE) ? 0 : MYSQL_CLIENT_COMPRESS;
if ($this->encrypt === TRUE)
{
$client_flags = $client_flags | MYSQL_CLIENT_SSL;
}
// Error suppression is necessary mostly due to PHP 5.5+ issuing E_DEPRECATED messages
$this->conn_id = ($persistent === TRUE)
? mysql_pconnect($this->hostname, $this->username, $this->password, $client_flags)
: mysql_connect($this->hostname, $this->username, $this->password, TRUE, $client_flags);
// ----------------------------------------------------------------
// Select the DB... assuming a database name is specified in the config file
if ($this->database !== '' && ! $this->db_select())
{
log_message('error', 'Unable to select database: '.$this->database);
return ($this->db_debug === TRUE)
? $this->display_error('db_unable_to_select', $this->database)
: FALSE;
}
if (isset($this->stricton) && is_resource($this->conn_id))
{
if ($this->stricton)
{
$this->simple_query('SET SESSION sql_mode = CONCAT(@@sql_mode, ",", "STRICT_ALL_TABLES")');
}
else
{
$this->simple_query(
'SET SESSION sql_mode =
REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
@@sql_mode,
"STRICT_ALL_TABLES,", ""),
",STRICT_ALL_TABLES", ""),
"STRICT_ALL_TABLES", ""),
"STRICT_TRANS_TABLES,", ""),
",STRICT_TRANS_TABLES", ""),
"STRICT_TRANS_TABLES", "")'
);
}
}
return $this->conn_id;
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @return void
*/
public function reconnect()
{
if (mysql_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @param string $database
* @return bool
*/
public function db_select($database = '')
{
if ($database === '')
{
$database = $this->database;
}
if (mysql_select_db($database, $this->conn_id))
{
$this->database = $database;
$this->data_cache = array();
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @param string $charset
* @return bool
*/
protected function _db_set_charset($charset)
{
return mysql_set_charset($charset, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
if ( ! $this->conn_id OR ($version = mysql_get_server_info($this->conn_id)) === FALSE)
{
return FALSE;
}
return $this->data_cache['version'] = $version;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return mixed
*/
protected function _execute($sql)
{
return mysql_query($this->_prep_query($sql), $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @param string $sql an SQL query
* @return string
*/
protected function _prep_query($sql)
{
// mysql_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack
// modifies the query so that it a proper number of affected rows is returned.
if ($this->delete_hack === TRUE && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
return trim($sql).' WHERE 1=1';
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
$this->simple_query('SET AUTOCOMMIT=0');
return $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
if ($this->simple_query('COMMIT'))
{
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
if ($this->simple_query('ROLLBACK'))
{
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Platform-dependent string escape
*
* @param string
* @return string
*/
protected function _escape_str($str)
{
return mysql_real_escape_string($str, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return mysql_affected_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @return int
*/
public function insert_id()
{
return mysql_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SHOW TABLES FROM '.$this->escape_identifiers($this->database);
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->Field;
sscanf($query[$i]->Type, '%[a-z](%d)',
$retval[$i]->type,
$retval[$i]->max_length
);
$retval[$i]->default = $query[$i]->Default;
$retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id));
}
// --------------------------------------------------------------------
/**
* FROM tables
*
* Groups tables in FROM clauses if needed, so there is no confusion
* about operator precedence.
*
* @return string
*/
protected function _from_tables()
{
if ( ! empty($this->qb_join) && count($this->qb_from) > 1)
{
return '('.implode(', ', $this->qb_from).')';
}
return implode(', ', $this->qb_from);
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
// Error suppression to avoid annoying E_WARNINGs in cases
// where the connection has already been closed for some reason.
@mysql_close($this->conn_id);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQL Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_forge extends CI_DB_forge {
/**
* CREATE DATABASE statement
*
* @var string
*/
protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
/**
* CREATE TABLE keys flag
*
* Whether table keys are created from within the
* CREATE TABLE statement.
*
* @var bool
*/
protected $_create_table_keys = TRUE;
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'TINYINT',
'SMALLINT',
'MEDIUMINT',
'INT',
'INTEGER',
'BIGINT',
'REAL',
'DOUBLE',
'DOUBLE PRECISION',
'FLOAT',
'DECIMAL',
'NUMERIC'
);
/**
* NULL value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_null = 'NULL';
// --------------------------------------------------------------------
/**
* CREATE TABLE attributes
*
* @param array $attributes Associative array of table attributes
* @return string
*/
protected function _create_table_attr($attributes)
{
$sql = '';
foreach (array_keys($attributes) as $key)
{
if (is_string($key))
{
$sql .= ' '.strtoupper($key).' = '.$attributes[$key];
}
}
if ( ! empty($this->db->char_set) && ! strpos($sql, 'CHARACTER SET') && ! strpos($sql, 'CHARSET'))
{
$sql .= ' DEFAULT CHARACTER SET = '.$this->db->char_set;
}
if ( ! empty($this->db->dbcollat) && ! strpos($sql, 'COLLATE'))
{
$sql .= ' COLLATE = '.$this->db->dbcollat;
}
return $sql;
}
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if ($alter_type === 'DROP')
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
$field[$i] = ($alter_type === 'ADD')
? "\n\tADD ".$field[$i]['_literal']
: "\n\tMODIFY ".$field[$i]['_literal'];
}
else
{
if ($alter_type === 'ADD')
{
$field[$i]['_literal'] = "\n\tADD ";
}
else
{
$field[$i]['_literal'] = empty($field[$i]['new_name']) ? "\n\tMODIFY " : "\n\tCHANGE ";
}
$field[$i] = $field[$i]['_literal'].$this->_process_column($field[$i]);
}
}
return array($sql.implode(',', $field));
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
$extra_clause = isset($field['after'])
? ' AFTER '.$this->db->escape_identifiers($field['after']) : '';
if (empty($extra_clause) && isset($field['first']) && $field['first'] === TRUE)
{
$extra_clause = ' FIRST';
}
return $this->db->escape_identifiers($field['name'])
.(empty($field['new_name']) ? '' : ' '.$this->db->escape_identifiers($field['new_name']))
.' '.$field['type'].$field['length']
.$field['unsigned']
.$field['null']
.$field['default']
.$field['auto_increment']
.$field['unique']
.(empty($field['comment']) ? '' : ' COMMENT '.$field['comment'])
.$extra_clause;
}
// --------------------------------------------------------------------
/**
* Process indexes
*
* @param string $table (ignored)
* @return string
*/
protected function _process_indexes($table)
{
$sql = '';
for ($i = 0, $c = count($this->keys); $i < $c; $i++)
{
if (is_array($this->keys[$i]))
{
for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
{
if ( ! isset($this->fields[$this->keys[$i][$i2]]))
{
unset($this->keys[$i][$i2]);
continue;
}
}
}
elseif ( ! isset($this->fields[$this->keys[$i]]))
{
unset($this->keys[$i]);
continue;
}
is_array($this->keys[$i]) OR $this->keys[$i] = array($this->keys[$i]);
$sql .= ",\n\tKEY ".$this->db->escape_identifiers(implode('_', $this->keys[$i]))
.' ('.implode(', ', $this->db->escape_identifiers($this->keys[$i])).')';
}
$this->keys = array();
return $sql;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_result extends CI_DB_result {
/**
* Class constructor
*
* @param object &$driver_object
* @return void
*/
public function __construct(&$driver_object)
{
parent::__construct($driver_object);
// Required, due to mysql_data_seek() causing nightmares
// with empty result sets
$this->num_rows = mysql_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
return $this->num_rows;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
return mysql_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
$field_names = array();
mysql_field_seek($this->result_id, 0);
while ($field = mysql_fetch_field($this->result_id))
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
$retval = array();
for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = mysql_field_name($this->result_id, $i);
$retval[$i]->type = mysql_field_type($this->result_id, $i);
$retval[$i]->max_length = mysql_field_len($this->result_id, $i);
$retval[$i]->primary_key = (int) (strpos(mysql_field_flags($this->result_id, $i), 'primary_key') !== FALSE);
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_resource($this->result_id))
{
mysql_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero.
*
* @param int $n
* @return bool
*/
public function data_seek($n = 0)
{
return $this->num_rows
? mysql_data_seek($this->result_id, $n)
: FALSE;
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
return mysql_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
return mysql_fetch_object($this->result_id, $class_name);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQL Utility Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_utility extends CI_DB_utility {
/**
* List databases statement
*
* @var string
*/
protected $_list_databases = 'SHOW DATABASES';
/**
* OPTIMIZE TABLE statement
*
* @var string
*/
protected $_optimize_table = 'OPTIMIZE TABLE %s';
/**
* REPAIR TABLE statement
*
* @var string
*/
protected $_repair_table = 'REPAIR TABLE %s';
// --------------------------------------------------------------------
/**
* Export
*
* @param array $params Preferences
* @return mixed
*/
protected function _backup($params = array())
{
if (count($params) === 0)
{
return FALSE;
}
// Extract the prefs for simplicity
extract($params);
// Build the output
$output = '';
// Do we need to include a statement to disable foreign key checks?
if ($foreign_key_checks === FALSE)
{
$output .= 'SET foreign_key_checks = 0;'.$newline;
}
foreach ( (array) $tables as $table)
{
// Is the table in the "ignore" list?
if (in_array($table, (array) $ignore, TRUE))
{
continue;
}
// Get the table schema
$query = $this->db->query('SHOW CREATE TABLE '.$this->db->escape_identifiers($this->db->database.'.'.$table));
// No result means the table name was invalid
if ($query === FALSE)
{
continue;
}
// Write out the table schema
$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
if ($add_drop === TRUE)
{
$output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
}
$i = 0;
$result = $query->result_array();
foreach ($result[0] as $val)
{
if ($i++ % 2)
{
$output .= $val.';'.$newline.$newline;
}
}
// If inserts are not needed we're done...
if ($add_insert === FALSE)
{
continue;
}
// Grab all the data from the current table
$query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
if ($query->num_rows() === 0)
{
continue;
}
// Fetch the field names and determine if the field is an
// integer type. We use this info to decide whether to
// surround the data with quotes or not
$i = 0;
$field_str = '';
$is_int = array();
while ($field = mysql_fetch_field($query->result_id))
{
// Most versions of MySQL store timestamp as a string
$is_int[$i] = in_array(strtolower(mysql_field_type($query->result_id, $i)),
array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
TRUE);
// Create a string of field names
$field_str .= $this->db->escape_identifiers($field->name).', ';
$i++;
}
// Trim off the end comma
$field_str = preg_replace('/, $/' , '', $field_str);
// Build the insert string
foreach ($query->result_array() as $row)
{
$val_str = '';
$i = 0;
foreach ($row as $v)
{
// Is the value NULL?
if ($v === NULL)
{
$val_str .= 'NULL';
}
else
{
// Escape the data if it's not an integer
$val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v;
}
// Append a comma
$val_str .= ', ';
$i++;
}
// Remove the comma at the end of the string
$val_str = preg_replace('/, $/' , '', $val_str);
// Build the INSERT string
$output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
$output .= $newline.$newline;
}
// Do we need to include a statement to re-enable foreign key checks?
if ($foreign_key_checks === FALSE)
{
$output .= 'SET foreign_key_checks = 1;'.$newline;
}
return $output;
}
}

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

544
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQLi Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_driver extends CI_DB {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'mysqli';
/**
* Compression flag
*
* @var bool
*/
public $compress = FALSE;
/**
* DELETE hack flag
*
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
*
* @var bool
*/
public $delete_hack = TRUE;
/**
* Strict ON flag
*
* Whether we're running in strict SQL mode.
*
* @var bool
*/
public $stricton;
// --------------------------------------------------------------------
/**
* Identifier escape character
*
* @var string
*/
protected $_escape_char = '`';
// --------------------------------------------------------------------
/**
* MySQLi object
*
* Has to be preserved without being assigned to $conn_id.
*
* @var MySQLi
*/
protected $_mysqli;
// --------------------------------------------------------------------
/**
* Database connection
*
* @param bool $persistent
* @return object
*/
public function db_connect($persistent = FALSE)
{
// Do we have a socket path?
if ($this->hostname[0] === '/')
{
$hostname = NULL;
$port = NULL;
$socket = $this->hostname;
}
else
{
$hostname = ($persistent === TRUE)
? 'p:'.$this->hostname : $this->hostname;
$port = empty($this->port) ? NULL : $this->port;
$socket = NULL;
}
$client_flags = ($this->compress === TRUE) ? MYSQLI_CLIENT_COMPRESS : 0;
$this->_mysqli = mysqli_init();
$this->_mysqli->options(MYSQLI_OPT_CONNECT_TIMEOUT, 10);
if (isset($this->stricton))
{
if ($this->stricton)
{
$this->_mysqli->options(MYSQLI_INIT_COMMAND, 'SET SESSION sql_mode = CONCAT(@@sql_mode, ",", "STRICT_ALL_TABLES")');
}
else
{
$this->_mysqli->options(MYSQLI_INIT_COMMAND,
'SET SESSION sql_mode =
REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
@@sql_mode,
"STRICT_ALL_TABLES,", ""),
",STRICT_ALL_TABLES", ""),
"STRICT_ALL_TABLES", ""),
"STRICT_TRANS_TABLES,", ""),
",STRICT_TRANS_TABLES", ""),
"STRICT_TRANS_TABLES", "")'
);
}
}
if (is_array($this->encrypt))
{
$ssl = array();
empty($this->encrypt['ssl_key']) OR $ssl['key'] = $this->encrypt['ssl_key'];
empty($this->encrypt['ssl_cert']) OR $ssl['cert'] = $this->encrypt['ssl_cert'];
empty($this->encrypt['ssl_ca']) OR $ssl['ca'] = $this->encrypt['ssl_ca'];
empty($this->encrypt['ssl_capath']) OR $ssl['capath'] = $this->encrypt['ssl_capath'];
empty($this->encrypt['ssl_cipher']) OR $ssl['cipher'] = $this->encrypt['ssl_cipher'];
if ( ! empty($ssl))
{
if (isset($this->encrypt['ssl_verify']))
{
if ($this->encrypt['ssl_verify'])
{
defined('MYSQLI_OPT_SSL_VERIFY_SERVER_CERT') && $this->_mysqli->options(MYSQLI_OPT_SSL_VERIFY_SERVER_CERT, TRUE);
}
// Apparently (when it exists), setting MYSQLI_OPT_SSL_VERIFY_SERVER_CERT
// to FALSE didn't do anything, so PHP 5.6.16 introduced yet another
// constant ...
//
// https://secure.php.net/ChangeLog-5.php#5.6.16
// https://bugs.php.net/bug.php?id=68344
elseif (defined('MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT'))
{
$client_flags |= MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT;
}
}
$client_flags |= MYSQLI_CLIENT_SSL;
$this->_mysqli->ssl_set(
isset($ssl['key']) ? $ssl['key'] : NULL,
isset($ssl['cert']) ? $ssl['cert'] : NULL,
isset($ssl['ca']) ? $ssl['ca'] : NULL,
isset($ssl['capath']) ? $ssl['capath'] : NULL,
isset($ssl['cipher']) ? $ssl['cipher'] : NULL
);
}
}
if ($this->_mysqli->real_connect($hostname, $this->username, $this->password, $this->database, $port, $socket, $client_flags))
{
// Prior to version 5.7.3, MySQL silently downgrades to an unencrypted connection if SSL setup fails
if (
($client_flags & MYSQLI_CLIENT_SSL)
&& version_compare($this->_mysqli->client_info, '5.7.3', '<=')
&& empty($this->_mysqli->query("SHOW STATUS LIKE 'ssl_cipher'")->fetch_object()->Value)
)
{
$this->_mysqli->close();
$message = 'MySQLi was configured for an SSL connection, but got an unencrypted connection instead!';
log_message('error', $message);
return ($this->db_debug) ? $this->display_error($message, '', TRUE) : FALSE;
}
return $this->_mysqli;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @return void
*/
public function reconnect()
{
if ($this->conn_id !== FALSE && $this->conn_id->ping() === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @param string $database
* @return bool
*/
public function db_select($database = '')
{
if ($database === '')
{
$database = $this->database;
}
if ($this->conn_id->select_db($database))
{
$this->database = $database;
$this->data_cache = array();
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @param string $charset
* @return bool
*/
protected function _db_set_charset($charset)
{
return $this->conn_id->set_charset($charset);
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
return $this->data_cache['version'] = $this->conn_id->server_info;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return mixed
*/
protected function _execute($sql)
{
return $this->conn_id->query($this->_prep_query($sql));
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @param string $sql an SQL query
* @return string
*/
protected function _prep_query($sql)
{
// mysqli_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack
// modifies the query so that it a proper number of affected rows is returned.
if ($this->delete_hack === TRUE && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
return trim($sql).' WHERE 1=1';
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
$this->conn_id->autocommit(FALSE);
return is_php('5.5')
? $this->conn_id->begin_transaction()
: $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
if ($this->conn_id->commit())
{
$this->conn_id->autocommit(TRUE);
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
if ($this->conn_id->rollback())
{
$this->conn_id->autocommit(TRUE);
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Platform-dependent string escape
*
* @param string
* @return string
*/
protected function _escape_str($str)
{
return $this->conn_id->real_escape_string($str);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return $this->conn_id->affected_rows;
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @return int
*/
public function insert_id()
{
return $this->conn_id->insert_id;
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SHOW TABLES FROM '.$this->escape_identifiers($this->database);
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->Field;
sscanf($query[$i]->Type, '%[a-z](%d)',
$retval[$i]->type,
$retval[$i]->max_length
);
$retval[$i]->default = $query[$i]->Default;
$retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
if ( ! empty($this->_mysqli->connect_errno))
{
return array(
'code' => $this->_mysqli->connect_errno,
'message' => $this->_mysqli->connect_error
);
}
return array('code' => $this->conn_id->errno, 'message' => $this->conn_id->error);
}
// --------------------------------------------------------------------
/**
* FROM tables
*
* Groups tables in FROM clauses if needed, so there is no confusion
* about operator precedence.
*
* @return string
*/
protected function _from_tables()
{
if ( ! empty($this->qb_join) && count($this->qb_from) > 1)
{
return '('.implode(', ', $this->qb_from).')';
}
return implode(', ', $this->qb_from);
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
$this->conn_id->close();
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQLi Forge Class
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_forge extends CI_DB_forge {
/**
* CREATE DATABASE statement
*
* @var string
*/
protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
/**
* CREATE TABLE keys flag
*
* Whether table keys are created from within the
* CREATE TABLE statement.
*
* @var bool
*/
protected $_create_table_keys = TRUE;
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'TINYINT',
'SMALLINT',
'MEDIUMINT',
'INT',
'INTEGER',
'BIGINT',
'REAL',
'DOUBLE',
'DOUBLE PRECISION',
'FLOAT',
'DECIMAL',
'NUMERIC'
);
/**
* NULL value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_null = 'NULL';
// --------------------------------------------------------------------
/**
* CREATE TABLE attributes
*
* @param array $attributes Associative array of table attributes
* @return string
*/
protected function _create_table_attr($attributes)
{
$sql = '';
foreach (array_keys($attributes) as $key)
{
if (is_string($key))
{
$sql .= ' '.strtoupper($key).' = '.$attributes[$key];
}
}
if ( ! empty($this->db->char_set) && ! strpos($sql, 'CHARACTER SET') && ! strpos($sql, 'CHARSET'))
{
$sql .= ' DEFAULT CHARACTER SET = '.$this->db->char_set;
}
if ( ! empty($this->db->dbcollat) && ! strpos($sql, 'COLLATE'))
{
$sql .= ' COLLATE = '.$this->db->dbcollat;
}
return $sql;
}
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if ($alter_type === 'DROP')
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
$field[$i] = ($alter_type === 'ADD')
? "\n\tADD ".$field[$i]['_literal']
: "\n\tMODIFY ".$field[$i]['_literal'];
}
else
{
if ($alter_type === 'ADD')
{
$field[$i]['_literal'] = "\n\tADD ";
}
else
{
$field[$i]['_literal'] = empty($field[$i]['new_name']) ? "\n\tMODIFY " : "\n\tCHANGE ";
}
$field[$i] = $field[$i]['_literal'].$this->_process_column($field[$i]);
}
}
return array($sql.implode(',', $field));
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
$extra_clause = isset($field['after'])
? ' AFTER '.$this->db->escape_identifiers($field['after']) : '';
if (empty($extra_clause) && isset($field['first']) && $field['first'] === TRUE)
{
$extra_clause = ' FIRST';
}
return $this->db->escape_identifiers($field['name'])
.(empty($field['new_name']) ? '' : ' '.$this->db->escape_identifiers($field['new_name']))
.' '.$field['type'].$field['length']
.$field['unsigned']
.$field['null']
.$field['default']
.$field['auto_increment']
.$field['unique']
.(empty($field['comment']) ? '' : ' COMMENT '.$field['comment'])
.$extra_clause;
}
// --------------------------------------------------------------------
/**
* Process indexes
*
* @param string $table (ignored)
* @return string
*/
protected function _process_indexes($table)
{
$sql = '';
for ($i = 0, $c = count($this->keys); $i < $c; $i++)
{
if (is_array($this->keys[$i]))
{
for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
{
if ( ! isset($this->fields[$this->keys[$i][$i2]]))
{
unset($this->keys[$i][$i2]);
continue;
}
}
}
elseif ( ! isset($this->fields[$this->keys[$i]]))
{
unset($this->keys[$i]);
continue;
}
is_array($this->keys[$i]) OR $this->keys[$i] = array($this->keys[$i]);
$sql .= ",\n\tKEY ".$this->db->escape_identifiers(implode('_', $this->keys[$i]))
.' ('.implode(', ', $this->db->escape_identifiers($this->keys[$i])).')';
}
$this->keys = array();
return $sql;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQLi Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
return is_int($this->num_rows)
? $this->num_rows
: $this->num_rows = $this->result_id->num_rows;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
return $this->result_id->field_count;
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
$field_names = array();
$this->result_id->field_seek(0);
while ($field = $this->result_id->fetch_field())
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
$retval = array();
$field_data = $this->result_id->fetch_fields();
for ($i = 0, $c = count($field_data); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $field_data[$i]->name;
$retval[$i]->type = static::_get_field_type($field_data[$i]->type);
$retval[$i]->max_length = $field_data[$i]->max_length;
$retval[$i]->primary_key = (int) ($field_data[$i]->flags & MYSQLI_PRI_KEY_FLAG);
$retval[$i]->default = $field_data[$i]->def;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Get field type
*
* Extracts field type info from the bitflags returned by
* mysqli_result::fetch_fields()
*
* @used-by CI_DB_mysqli_result::field_data()
* @param int $type
* @return string
*/
private static function _get_field_type($type)
{
static $map;
isset($map) OR $map = array(
MYSQLI_TYPE_DECIMAL => 'decimal',
MYSQLI_TYPE_BIT => 'bit',
MYSQLI_TYPE_TINY => 'tinyint',
MYSQLI_TYPE_SHORT => 'smallint',
MYSQLI_TYPE_INT24 => 'mediumint',
MYSQLI_TYPE_LONG => 'int',
MYSQLI_TYPE_LONGLONG => 'bigint',
MYSQLI_TYPE_FLOAT => 'float',
MYSQLI_TYPE_DOUBLE => 'double',
MYSQLI_TYPE_TIMESTAMP => 'timestamp',
MYSQLI_TYPE_DATE => 'date',
MYSQLI_TYPE_TIME => 'time',
MYSQLI_TYPE_DATETIME => 'datetime',
MYSQLI_TYPE_YEAR => 'year',
MYSQLI_TYPE_NEWDATE => 'date',
MYSQLI_TYPE_INTERVAL => 'interval',
MYSQLI_TYPE_ENUM => 'enum',
MYSQLI_TYPE_SET => 'set',
MYSQLI_TYPE_TINY_BLOB => 'tinyblob',
MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob',
MYSQLI_TYPE_BLOB => 'blob',
MYSQLI_TYPE_LONG_BLOB => 'longblob',
MYSQLI_TYPE_STRING => 'char',
MYSQLI_TYPE_VAR_STRING => 'varchar',
MYSQLI_TYPE_GEOMETRY => 'geometry'
);
return isset($map[$type]) ? $map[$type] : $type;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_object($this->result_id))
{
$this->result_id->free();
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero.
*
* @param int $n
* @return bool
*/
public function data_seek($n = 0)
{
return $this->result_id->data_seek($n);
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
return $this->result_id->fetch_assoc();
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
return $this->result_id->fetch_object($class_name);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQLi Utility Class
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysqli_utility extends CI_DB_utility {
/**
* List databases statement
*
* @var string
*/
protected $_list_databases = 'SHOW DATABASES';
/**
* OPTIMIZE TABLE statement
*
* @var string
*/
protected $_optimize_table = 'OPTIMIZE TABLE %s';
/**
* REPAIR TABLE statement
*
* @var string
*/
protected $_repair_table = 'REPAIR TABLE %s';
// --------------------------------------------------------------------
/**
* Export
*
* @param array $params Preferences
* @return mixed
*/
protected function _backup($params = array())
{
if (count($params) === 0)
{
return FALSE;
}
// Extract the prefs for simplicity
extract($params);
// Build the output
$output = '';
// Do we need to include a statement to disable foreign key checks?
if ($foreign_key_checks === FALSE)
{
$output .= 'SET foreign_key_checks = 0;'.$newline;
}
foreach ( (array) $tables as $table)
{
// Is the table in the "ignore" list?
if (in_array($table, (array) $ignore, TRUE))
{
continue;
}
// Get the table schema
$query = $this->db->query('SHOW CREATE TABLE '.$this->db->escape_identifiers($this->db->database.'.'.$table));
// No result means the table name was invalid
if ($query === FALSE)
{
continue;
}
// Write out the table schema
$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
if ($add_drop === TRUE)
{
$output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
}
$i = 0;
$result = $query->result_array();
foreach ($result[0] as $val)
{
if ($i++ % 2)
{
$output .= $val.';'.$newline.$newline;
}
}
// If inserts are not needed we're done...
if ($add_insert === FALSE)
{
continue;
}
// Grab all the data from the current table
$query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
if ($query->num_rows() === 0)
{
continue;
}
// Fetch the field names and determine if the field is an
// integer type. We use this info to decide whether to
// surround the data with quotes or not
$i = 0;
$field_str = '';
$is_int = array();
while ($field = $query->result_id->fetch_field())
{
// Most versions of MySQL store timestamp as a string
$is_int[$i] = in_array($field->type, array(MYSQLI_TYPE_TINY, MYSQLI_TYPE_SHORT, MYSQLI_TYPE_INT24, MYSQLI_TYPE_LONG), TRUE);
// Create a string of field names
$field_str .= $this->db->escape_identifiers($field->name).', ';
$i++;
}
// Trim off the end comma
$field_str = preg_replace('/, $/' , '', $field_str);
// Build the insert string
foreach ($query->result_array() as $row)
{
$val_str = '';
$i = 0;
foreach ($row as $v)
{
// Is the value NULL?
if ($v === NULL)
{
$val_str .= 'NULL';
}
else
{
// Escape the data if it's not an integer
$val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v;
}
// Append a comma
$val_str .= ', ';
$i++;
}
// Remove the comma at the end of the string
$val_str = preg_replace('/, $/' , '', $val_str);
// Build the INSERT string
$output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
$output .= $newline.$newline;
}
// Do we need to include a statement to re-enable foreign key checks?
if ($foreign_key_checks === FALSE)
{
$output .= 'SET foreign_key_checks = 1;'.$newline;
}
return $output;
}
}

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

701
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.4.1
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* oci8 Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
/**
* oci8 Database Adapter Class
*
* This is a modification of the DB_driver class to
* permit access to oracle databases
*
* @author Kelly McArdle
*/
class CI_DB_oci8_driver extends CI_DB {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'oci8';
/**
* Statement ID
*
* @var resource
*/
public $stmt_id;
/**
* Cursor ID
*
* @var resource
*/
public $curs_id;
/**
* Commit mode flag
*
* @var int
*/
public $commit_mode = OCI_COMMIT_ON_SUCCESS;
/**
* Limit used flag
*
* If we use LIMIT, we'll add a field that will
* throw off num_fields later.
*
* @var bool
*/
public $limit_used = FALSE;
// --------------------------------------------------------------------
/**
* Reset $stmt_id flag
*
* Used by stored_procedure() to prevent _execute() from
* re-setting the statement ID.
*/
protected $_reset_stmt_id = TRUE;
/**
* List of reserved identifiers
*
* Identifiers that must NOT be escaped.
*
* @var string[]
*/
protected $_reserved_identifiers = array('*', 'rownum');
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('ASC', 'ASC'); // not currently supported
/**
* COUNT string
*
* @used-by CI_DB_driver::count_all()
* @used-by CI_DB_query_builder::count_all_results()
*
* @var string
*/
protected $_count_string = 'SELECT COUNT(1) AS ';
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
$valid_dsns = array(
'tns' => '/^\(DESCRIPTION=(\(.+\)){2,}\)$/', // TNS
// Easy Connect string (Oracle 10g+)
'ec' => '/^(\/\/)?[a-z0-9.:_-]+(:[1-9][0-9]{0,4})?(\/[a-z0-9$_]+)?(:[^\/])?(\/[a-z0-9$_]+)?$/i',
'in' => '/^[a-z0-9$_]+$/i' // Instance name (defined in tnsnames.ora)
);
/* Space characters don't have any effect when actually
* connecting, but can be a hassle while validating the DSN.
*/
$this->dsn = str_replace(array("\n", "\r", "\t", ' '), '', $this->dsn);
if ($this->dsn !== '')
{
foreach ($valid_dsns as $regexp)
{
if (preg_match($regexp, $this->dsn))
{
return;
}
}
}
// Legacy support for TNS in the hostname configuration field
$this->hostname = str_replace(array("\n", "\r", "\t", ' '), '', $this->hostname);
if (preg_match($valid_dsns['tns'], $this->hostname))
{
$this->dsn = $this->hostname;
return;
}
elseif ($this->hostname !== '' && strpos($this->hostname, '/') === FALSE && strpos($this->hostname, ':') === FALSE
&& (( ! empty($this->port) && ctype_digit($this->port)) OR $this->database !== ''))
{
/* If the hostname field isn't empty, doesn't contain
* ':' and/or '/' and if port and/or database aren't
* empty, then the hostname field is most likely indeed
* just a hostname. Therefore we'll try and build an
* Easy Connect string from these 3 settings, assuming
* that the database field is a service name.
*/
$this->dsn = $this->hostname
.(( ! empty($this->port) && ctype_digit($this->port)) ? ':'.$this->port : '')
.($this->database !== '' ? '/'.ltrim($this->database, '/') : '');
if (preg_match($valid_dsns['ec'], $this->dsn))
{
return;
}
}
/* At this point, we can only try and validate the hostname and
* database fields separately as DSNs.
*/
if (preg_match($valid_dsns['ec'], $this->hostname) OR preg_match($valid_dsns['in'], $this->hostname))
{
$this->dsn = $this->hostname;
return;
}
$this->database = str_replace(array("\n", "\r", "\t", ' '), '', $this->database);
foreach ($valid_dsns as $regexp)
{
if (preg_match($regexp, $this->database))
{
return;
}
}
/* Well - OK, an empty string should work as well.
* PHP will try to use environment variables to
* determine which Oracle instance to connect to.
*/
$this->dsn = '';
}
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @param bool $persistent
* @return resource
*/
public function db_connect($persistent = FALSE)
{
$func = ($persistent === TRUE) ? 'oci_pconnect' : 'oci_connect';
return empty($this->char_set)
? $func($this->username, $this->password, $this->dsn)
: $func($this->username, $this->password, $this->dsn, $this->char_set);
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
if ( ! $this->conn_id OR ($version_string = oci_server_version($this->conn_id)) === FALSE)
{
return FALSE;
}
elseif (preg_match('#Release\s(\d+(?:\.\d+)+)#', $version_string, $match))
{
return $this->data_cache['version'] = $match[1];
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return resource
*/
protected function _execute($sql)
{
/* Oracle must parse the query before it is run. All of the actions with
* the query are based on the statement id returned by oci_parse().
*/
if ($this->_reset_stmt_id === TRUE)
{
$this->stmt_id = oci_parse($this->conn_id, $sql);
}
oci_set_prefetch($this->stmt_id, 1000);
return oci_execute($this->stmt_id, $this->commit_mode);
}
// --------------------------------------------------------------------
/**
* Get cursor. Returns a cursor from the database
*
* @return resource
*/
public function get_cursor()
{
return $this->curs_id = oci_new_cursor($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Stored Procedure. Executes a stored procedure
*
* @param string package name in which the stored procedure is in
* @param string stored procedure name to execute
* @param array parameters
* @return mixed
*
* params array keys
*
* KEY OPTIONAL NOTES
* name no the name of the parameter should be in :<param_name> format
* value no the value of the parameter. If this is an OUT or IN OUT parameter,
* this should be a reference to a variable
* type yes the type of the parameter
* length yes the max size of the parameter
*/
public function stored_procedure($package, $procedure, array $params)
{
if ($package === '' OR $procedure === '')
{
log_message('error', 'Invalid query: '.$package.'.'.$procedure);
return ($this->db_debug) ? $this->display_error('db_invalid_query') : FALSE;
}
// Build the query string
$sql = 'BEGIN '.$package.'.'.$procedure.'(';
$have_cursor = FALSE;
foreach ($params as $param)
{
$sql .= $param['name'].',';
if (isset($param['type']) && $param['type'] === OCI_B_CURSOR)
{
$have_cursor = TRUE;
}
}
$sql = trim($sql, ',').'); END;';
$this->_reset_stmt_id = FALSE;
$this->stmt_id = oci_parse($this->conn_id, $sql);
$this->_bind_params($params);
$result = $this->query($sql, FALSE, $have_cursor);
$this->_reset_stmt_id = TRUE;
return $result;
}
// --------------------------------------------------------------------
/**
* Bind parameters
*
* @param array $params
* @return void
*/
protected function _bind_params($params)
{
if ( ! is_array($params) OR ! is_resource($this->stmt_id))
{
return;
}
foreach ($params as $param)
{
foreach (array('name', 'value', 'type', 'length') as $val)
{
if ( ! isset($param[$val]))
{
$param[$val] = '';
}
}
oci_bind_by_name($this->stmt_id, $param['name'], $param['value'], $param['length'], $param['type']);
}
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
$this->commit_mode = OCI_NO_AUTO_COMMIT;
return TRUE;
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
$this->commit_mode = OCI_COMMIT_ON_SUCCESS;
return oci_commit($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
$this->commit_mode = OCI_COMMIT_ON_SUCCESS;
return oci_rollback($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return oci_num_rows($this->stmt_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @return int
*/
public function insert_id()
{
// not supported in oracle
return $this->display_error('db_unsupported_function');
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT "TABLE_NAME" FROM "ALL_TABLES"';
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql.' WHERE "TABLE_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
if (strpos($table, '.') !== FALSE)
{
sscanf($table, '%[^.].%s', $owner, $table);
}
else
{
$owner = $this->username;
}
return 'SELECT COLUMN_NAME FROM ALL_TAB_COLUMNS
WHERE UPPER(OWNER) = '.$this->escape(strtoupper($owner)).'
AND UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (strpos($table, '.') !== FALSE)
{
sscanf($table, '%[^.].%s', $owner, $table);
}
else
{
$owner = $this->username;
}
$sql = 'SELECT COLUMN_NAME, DATA_TYPE, CHAR_LENGTH, DATA_PRECISION, DATA_LENGTH, DATA_DEFAULT, NULLABLE
FROM ALL_TAB_COLUMNS
WHERE UPPER(OWNER) = '.$this->escape(strtoupper($owner)).'
AND UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
if (($query = $this->query($sql)) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->COLUMN_NAME;
$retval[$i]->type = $query[$i]->DATA_TYPE;
$length = ($query[$i]->CHAR_LENGTH > 0)
? $query[$i]->CHAR_LENGTH : $query[$i]->DATA_PRECISION;
if ($length === NULL)
{
$length = $query[$i]->DATA_LENGTH;
}
$retval[$i]->max_length = $length;
$default = $query[$i]->DATA_DEFAULT;
if ($default === NULL && $query[$i]->NULLABLE === 'N')
{
$default = '';
}
$retval[$i]->default = $default;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
// oci_error() returns an array that already contains
// 'code' and 'message' keys, but it can return false
// if there was no error ....
if (is_resource($this->curs_id))
{
$error = oci_error($this->curs_id);
}
elseif (is_resource($this->stmt_id))
{
$error = oci_error($this->stmt_id);
}
elseif (is_resource($this->conn_id))
{
$error = oci_error($this->conn_id);
}
else
{
$error = oci_error();
}
return is_array($error)
? $error
: array('code' => '', 'message' => '');
}
// --------------------------------------------------------------------
/**
* Insert batch statement
*
* Generates a platform-specific insert string from the supplied data
*
* @param string $table Table name
* @param array $keys INSERT keys
* @param array $values INSERT values
* @return string
*/
protected function _insert_batch($table, $keys, $values)
{
$keys = implode(', ', $keys);
$sql = "INSERT ALL\n";
for ($i = 0, $c = count($values); $i < $c; $i++)
{
$sql .= ' INTO '.$table.' ('.$keys.') VALUES '.$values[$i]."\n";
}
return $sql.'SELECT * FROM dual';
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'TRUNCATE TABLE '.$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
if ($this->qb_limit)
{
$this->where('rownum <= ',$this->qb_limit, FALSE);
$this->qb_limit = FALSE;
}
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
if (version_compare($this->version(), '12.1', '>='))
{
// OFFSET-FETCH can be used only with the ORDER BY clause
empty($this->qb_orderby) && $sql .= ' ORDER BY 1';
return $sql.' OFFSET '.(int) $this->qb_offset.' ROWS FETCH NEXT '.$this->qb_limit.' ROWS ONLY';
}
$this->limit_used = TRUE;
return 'SELECT * FROM (SELECT inner_query.*, rownum rnum FROM ('.$sql.') inner_query WHERE rownum < '.($this->qb_offset + $this->qb_limit + 1).')'
.($this->qb_offset ? ' WHERE rnum >= '.($this->qb_offset + 1) : '');
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
oci_close($this->conn_id);
}
// --------------------------------------------------------------------
/**
* We need to reset our $limit_used hack flag, so it doesn't propagate
* to subsequent queries.
*
* @return void
*/
protected function _reset_select()
{
$this->limit_used = FALSE;
parent::_reset_select();
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.4.1
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Oracle Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_forge extends CI_DB_forge {
/**
* CREATE DATABASE statement
*
* @var string
*/
protected $_create_database = FALSE;
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = FALSE;
/**
* DROP DATABASE statement
*
* @var string
*/
protected $_drop_database = FALSE;
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = FALSE;
/**
* UNSIGNED support
*
* @var bool|array
*/
protected $_unsigned = FALSE;
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if ($alter_type === 'DROP')
{
return parent::_alter_table($alter_type, $table, $field);
}
elseif ($alter_type === 'CHANGE')
{
$alter_type = 'MODIFY';
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
$field[$i] = "\n\t".$field[$i]['_literal'];
}
else
{
$field[$i]['_literal'] = "\n\t".$this->_process_column($field[$i]);
if ( ! empty($field[$i]['comment']))
{
$sqls[] = 'COMMENT ON COLUMN '
.$this->db->escape_identifiers($table).'.'.$this->db->escape_identifiers($field[$i]['name'])
.' IS '.$field[$i]['comment'];
}
if ($alter_type === 'MODIFY' && ! empty($field[$i]['new_name']))
{
$sqls[] = $sql.' RENAME COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' TO '.$this->db->escape_identifiers($field[$i]['new_name']);
}
$field[$i] = "\n\t".$field[$i]['_literal'];
}
}
$sql .= ' '.$alter_type.' ';
$sql .= (count($field) === 1)
? $field[0]
: '('.implode(',', $field).')';
// RENAME COLUMN must be executed after MODIFY
array_unshift($sqls, $sql);
return $sqls;
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
// Not supported - sequences and triggers must be used instead
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'NUMBER';
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'NUMBER';
return;
case 'INT':
$attributes['TYPE'] = 'NUMBER';
return;
case 'BIGINT':
$attributes['TYPE'] = 'NUMBER';
return;
default: return;
}
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.4.1
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* oci8 Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_result extends CI_DB_result {
/**
* Statement ID
*
* @var resource
*/
public $stmt_id;
/**
* Cursor ID
*
* @var resource
*/
public $curs_id;
/**
* Limit used flag
*
* @var bool
*/
public $limit_used;
/**
* Commit mode flag
*
* @var int
*/
public $commit_mode;
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param object &$driver_object
* @return void
*/
public function __construct(&$driver_object)
{
parent::__construct($driver_object);
$this->stmt_id = $driver_object->stmt_id;
$this->curs_id = $driver_object->curs_id;
$this->limit_used = $driver_object->limit_used;
$this->commit_mode =& $driver_object->commit_mode;
$driver_object->stmt_id = FALSE;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
$count = oci_num_fields($this->stmt_id);
// if we used a limit we subtract it
return ($this->limit_used) ? $count - 1 : $count;
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
$field_names = array();
for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
$field_names[] = oci_field_name($this->stmt_id, $c);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
$retval = array();
for ($c = 1, $fieldCount = $this->num_fields(); $c <= $fieldCount; $c++)
{
$F = new stdClass();
$F->name = oci_field_name($this->stmt_id, $c);
$F->type = oci_field_type($this->stmt_id, $c);
$F->max_length = oci_field_size($this->stmt_id, $c);
$retval[] = $F;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_resource($this->result_id))
{
oci_free_statement($this->result_id);
$this->result_id = FALSE;
}
if (is_resource($this->stmt_id))
{
oci_free_statement($this->stmt_id);
}
if (is_resource($this->curs_id))
{
oci_cancel($this->curs_id);
$this->curs_id = NULL;
}
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
$id = ($this->curs_id) ? $this->curs_id : $this->stmt_id;
return oci_fetch_assoc($id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
$row = ($this->curs_id)
? oci_fetch_object($this->curs_id)
: oci_fetch_object($this->stmt_id);
if ($class_name === 'stdClass' OR ! $row)
{
return $row;
}
$class_name = new $class_name();
foreach ($row as $key => $value)
{
$class_name->$key = $value;
}
return $class_name;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.4.1
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Oracle Utility Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_oci8_utility extends CI_DB_utility {
/**
* List databases statement
*
* @var string
*/
protected $_list_databases = 'SELECT username FROM dba_users'; // Schemas are actual usernames
/**
* Export
*
* @param array $params Preferences
* @return mixed
*/
protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsupported_feature');
}
}

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system/database/drivers/odbc/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

425
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* ODBC Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_odbc_driver extends CI_DB_driver {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'odbc';
/**
* Database schema
*
* @var string
*/
public $schema = 'public';
// --------------------------------------------------------------------
/**
* Identifier escape character
*
* Must be empty for ODBC.
*
* @var string
*/
protected $_escape_char = '';
/**
* ESCAPE statement string
*
* @var string
*/
protected $_like_escape_str = " {escape '%s'} ";
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('RND()', 'RND(%d)');
// --------------------------------------------------------------------
/**
* ODBC result ID resource returned from odbc_prepare()
*
* @var resource
*/
private $odbc_result;
/**
* Values to use with odbc_execute() for prepared statements
*
* @var array
*/
private $binds = array();
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
// Legacy support for DSN in the hostname field
if (empty($this->dsn))
{
$this->dsn = $this->hostname;
}
}
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @param bool $persistent
* @return resource
*/
public function db_connect($persistent = FALSE)
{
return ($persistent === TRUE)
? odbc_pconnect($this->dsn, $this->username, $this->password)
: odbc_connect($this->dsn, $this->username, $this->password);
}
// --------------------------------------------------------------------
/**
* Compile Bindings
*
* @param string $sql SQL statement
* @param array $binds An array of values to bind
* @return string
*/
public function compile_binds($sql, $binds)
{
if (empty($binds) OR empty($this->bind_marker) OR strpos($sql, $this->bind_marker) === FALSE)
{
return $sql;
}
elseif ( ! is_array($binds))
{
$binds = array($binds);
$bind_count = 1;
}
else
{
// Make sure we're using numeric keys
$binds = array_values($binds);
$bind_count = count($binds);
}
// We'll need the marker length later
$ml = strlen($this->bind_marker);
// Make sure not to replace a chunk inside a string that happens to match the bind marker
if ($c = preg_match_all("/'[^']*'|\"[^\"]*\"/i", $sql, $matches))
{
$c = preg_match_all('/'.preg_quote($this->bind_marker, '/').'/i',
str_replace($matches[0],
str_replace($this->bind_marker, str_repeat(' ', $ml), $matches[0]),
$sql, $c),
$matches, PREG_OFFSET_CAPTURE);
// Bind values' count must match the count of markers in the query
if ($bind_count !== $c)
{
return $sql;
}
}
elseif (($c = preg_match_all('/'.preg_quote($this->bind_marker, '/').'/i', $sql, $matches, PREG_OFFSET_CAPTURE)) !== $bind_count)
{
return $sql;
}
if ($this->bind_marker !== '?')
{
do
{
$c--;
$sql = substr_replace($sql, '?', $matches[0][$c][1], $ml);
}
while ($c !== 0);
}
if (FALSE !== ($this->odbc_result = odbc_prepare($this->conn_id, $sql)))
{
$this->binds = array_values($binds);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return resource
*/
protected function _execute($sql)
{
if ( ! isset($this->odbc_result))
{
return odbc_exec($this->conn_id, $sql);
}
elseif ($this->odbc_result === FALSE)
{
return FALSE;
}
if (TRUE === ($success = odbc_execute($this->odbc_result, $this->binds)))
{
// For queries that return result sets, return the result_id resource on success
$this->is_write_type($sql) OR $success = $this->odbc_result;
}
$this->odbc_result = NULL;
$this->binds = array();
return $success;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
return odbc_autocommit($this->conn_id, FALSE);
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
if (odbc_commit($this->conn_id))
{
odbc_autocommit($this->conn_id, TRUE);
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
if (odbc_rollback($this->conn_id))
{
odbc_autocommit($this->conn_id, TRUE);
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Determines if a query is a "write" type.
*
* @param string An SQL query string
* @return bool
*/
public function is_write_type($sql)
{
if (preg_match('#^(INSERT|UPDATE).*RETURNING\s.+(\,\s?.+)*$#is', $sql))
{
return FALSE;
}
return parent::is_write_type($sql);
}
// --------------------------------------------------------------------
/**
* Platform-dependent string escape
*
* @param string
* @return string
*/
protected function _escape_str($str)
{
$this->display_error('db_unsupported_feature');
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return odbc_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @return bool
*/
public function insert_id()
{
return ($this->db_debug) ? $this->display_error('db_unsupported_feature') : FALSE;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = '".$this->schema."'";
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql." AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SHOW COLUMNS FROM '.$table;
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @param string $table
* @return string
*/
protected function _field_data($table)
{
return 'SELECT TOP 1 FROM '.$table;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
return array('code' => odbc_error($this->conn_id), 'message' => odbc_errormsg($this->conn_id));
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
odbc_close($this->conn_id);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* ODBC Forge Class
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/database/
*/
class CI_DB_odbc_forge extends CI_DB_forge {
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = FALSE;
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = FALSE;
/**
* UNSIGNED support
*
* @var bool|array
*/
protected $_unsigned = FALSE;
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
// Not supported (in most databases at least)
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* ODBC Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_odbc_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
if (is_int($this->num_rows))
{
return $this->num_rows;
}
elseif (($this->num_rows = odbc_num_rows($this->result_id)) !== -1)
{
return $this->num_rows;
}
// Work-around for ODBC subdrivers that don't support num_rows()
if (count($this->result_array) > 0)
{
return $this->num_rows = count($this->result_array);
}
elseif (count($this->result_object) > 0)
{
return $this->num_rows = count($this->result_object);
}
return $this->num_rows = count($this->result_array());
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
return odbc_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
$field_names = array();
$num_fields = $this->num_fields();
if ($num_fields > 0)
{
for ($i = 1; $i <= $num_fields; $i++)
{
$field_names[] = odbc_field_name($this->result_id, $i);
}
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
$retval = array();
for ($i = 0, $odbc_index = 1, $c = $this->num_fields(); $i < $c; $i++, $odbc_index++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = odbc_field_name($this->result_id, $odbc_index);
$retval[$i]->type = odbc_field_type($this->result_id, $odbc_index);
$retval[$i]->max_length = odbc_field_len($this->result_id, $odbc_index);
$retval[$i]->primary_key = 0;
$retval[$i]->default = '';
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_resource($this->result_id))
{
odbc_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
return odbc_fetch_array($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
$row = odbc_fetch_object($this->result_id);
if ($class_name === 'stdClass' OR ! $row)
{
return $row;
}
$class_name = new $class_name();
foreach ($row as $key => $value)
{
$class_name->$key = $value;
}
return $class_name;
}
}
// --------------------------------------------------------------------
if ( ! function_exists('odbc_fetch_array'))
{
/**
* ODBC Fetch array
*
* Emulates the native odbc_fetch_array() function when
* it is not available (odbc_fetch_array() requires unixODBC)
*
* @param resource &$result
* @param int $rownumber
* @return array
*/
function odbc_fetch_array(&$result, $rownumber = 1)
{
$rs = array();
if ( ! odbc_fetch_into($result, $rs, $rownumber))
{
return FALSE;
}
$rs_assoc = array();
foreach ($rs as $k => $v)
{
$field_name = odbc_field_name($result, $k+1);
$rs_assoc[$field_name] = $v;
}
return $rs_assoc;
}
}
// --------------------------------------------------------------------
if ( ! function_exists('odbc_fetch_object'))
{
/**
* ODBC Fetch object
*
* Emulates the native odbc_fetch_object() function when
* it is not available.
*
* @param resource &$result
* @param int $rownumber
* @return object
*/
function odbc_fetch_object(&$result, $rownumber = 1)
{
$rs = array();
if ( ! odbc_fetch_into($result, $rs, $rownumber))
{
return FALSE;
}
$rs_object = new stdClass();
foreach ($rs as $k => $v)
{
$field_name = odbc_field_name($result, $k+1);
$rs_object->$field_name = $v;
}
return $rs_object;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* ODBC Utility Class
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/database/
*/
class CI_DB_odbc_utility extends CI_DB_utility {
/**
* Export
*
* @param array $params Preferences
* @return mixed
*/
protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsupported_feature');
}
}

11
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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

329
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_driver extends CI_DB {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'pdo';
/**
* PDO Options
*
* @var array
*/
public $options = array();
// --------------------------------------------------------------------
/**
* Class constructor
*
* Validates the DSN string and/or detects the subdriver.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (preg_match('/([^:]+):/', $this->dsn, $match) && count($match) === 2)
{
// If there is a minimum valid dsn string pattern found, we're done
// This is for general PDO users, who tend to have a full DSN string.
$this->subdriver = $match[1];
return;
}
// Legacy support for DSN specified in the hostname field
elseif (preg_match('/([^:]+):/', $this->hostname, $match) && count($match) === 2)
{
$this->dsn = $this->hostname;
$this->hostname = NULL;
$this->subdriver = $match[1];
return;
}
elseif (in_array($this->subdriver, array('mssql', 'sybase'), TRUE))
{
$this->subdriver = 'dblib';
}
elseif ($this->subdriver === '4D')
{
$this->subdriver = '4d';
}
elseif ( ! in_array($this->subdriver, array('4d', 'cubrid', 'dblib', 'firebird', 'ibm', 'informix', 'mysql', 'oci', 'odbc', 'pgsql', 'sqlite', 'sqlsrv'), TRUE))
{
log_message('error', 'PDO: Invalid or non-existent subdriver');
if ($this->db_debug)
{
show_error('Invalid or non-existent PDO subdriver');
}
}
$this->dsn = NULL;
}
// --------------------------------------------------------------------
/**
* Database connection
*
* @param bool $persistent
* @return object
*/
public function db_connect($persistent = FALSE)
{
if ($persistent === TRUE)
{
$this->options[PDO::ATTR_PERSISTENT] = TRUE;
}
try
{
return new PDO($this->dsn, $this->username, $this->password, $this->options);
}
catch (PDOException $e)
{
if ($this->db_debug && empty($this->failover))
{
$this->display_error($e->getMessage(), '', TRUE);
}
return FALSE;
}
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
// Not all subdrivers support the getAttribute() method
try
{
return $this->data_cache['version'] = $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION);
}
catch (PDOException $e)
{
return parent::version();
}
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql SQL query
* @return mixed
*/
protected function _execute($sql)
{
return $this->conn_id->query($sql);
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
return $this->conn_id->beginTransaction();
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
return $this->conn_id->commit();
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
return $this->conn_id->rollBack();
}
// --------------------------------------------------------------------
/**
* Platform-dependent string escape
*
* @param string
* @return string
*/
protected function _escape_str($str)
{
// Escape the string
$str = $this->conn_id->quote($str);
// If there are duplicated quotes, trim them away
return ($str[0] === "'")
? substr($str, 1, -1)
: $str;
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return is_object($this->result_id) ? $this->result_id->rowCount() : 0;
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @param string $name
* @return int
*/
public function insert_id($name = NULL)
{
return $this->conn_id->lastInsertId($name);
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @param string $table
* @return string
*/
protected function _field_data($table)
{
return 'SELECT TOP 1 * FROM '.$this->protect_identifiers($table);
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
$error = array('code' => '00000', 'message' => '');
$pdo_error = $this->conn_id->errorInfo();
if (empty($pdo_error[0]))
{
return $error;
}
$error['code'] = isset($pdo_error[1]) ? $pdo_error[0].'/'.$pdo_error[1] : $pdo_error[0];
if (isset($pdo_error[2]))
{
$error['message'] = $pdo_error[2];
}
return $error;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'TRUNCATE TABLE '.$table;
}
}

65
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Forge Class
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/database/
*/
class CI_DB_pdo_forge extends CI_DB_forge {
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = FALSE;
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = FALSE;
}

198
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_result extends CI_DB_result {
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
if (is_int($this->num_rows))
{
return $this->num_rows;
}
elseif (count($this->result_array) > 0)
{
return $this->num_rows = count($this->result_array);
}
elseif (count($this->result_object) > 0)
{
return $this->num_rows = count($this->result_object);
}
elseif (($num_rows = $this->result_id->rowCount()) > 0)
{
return $this->num_rows = $num_rows;
}
return $this->num_rows = count($this->result_array());
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
return $this->result_id->columnCount();
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return bool
*/
public function list_fields()
{
$field_names = array();
for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
// Might trigger an E_WARNING due to not all subdrivers
// supporting getColumnMeta()
$field_names[$i] = @$this->result_id->getColumnMeta($i);
$field_names[$i] = $field_names[$i]['name'];
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
try
{
$retval = array();
for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$field = $this->result_id->getColumnMeta($i);
$retval[$i] = new stdClass();
$retval[$i]->name = $field['name'];
$retval[$i]->type = $field['native_type'];
$retval[$i]->max_length = ($field['len'] > 0) ? $field['len'] : NULL;
$retval[$i]->primary_key = (int) ( ! empty($field['flags']) && in_array('primary_key', $field['flags'], TRUE));
}
return $retval;
}
catch (Exception $e)
{
if ($this->db->db_debug)
{
return $this->db->display_error('db_unsupported_feature');
}
return FALSE;
}
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_object($this->result_id))
{
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
return $this->result_id->fetch(PDO::FETCH_ASSOC);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
return $this->result_id->fetchObject($class_name);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 2.1.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Utility Class
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/database/
*/
class CI_DB_pdo_utility extends CI_DB_utility {
/**
* Export
*
* @param array $params Preferences
* @return mixed
*/
protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsupported_feature');
}
}

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

200
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO 4D Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_4d_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = '4d';
/**
* Identifier escape character
*
* @var string[]
*/
protected $_escape_char = array('[', ']');
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = '4D:host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
empty($this->port) OR $this->dsn .= ';port='.$this->port;
empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
}
elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 3) === FALSE)
{
$this->dsn .= ';charset='.$this->char_set;
}
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT '.$this->escape_identifiers('TABLE_NAME').' FROM '.$this->escape_identifiers('_USER_TABLES');
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
$sql .= ' WHERE '.$this->escape_identifiers('TABLE_NAME')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SELECT '.$this->escape_identifiers('COLUMN_NAME').' FROM '.$this->escape_identifiers('_USER_COLUMNS')
.' WHERE '.$this->escape_identifiers('TABLE_NAME').' = '.$this->escape($table);
}
// --------------------------------------------------------------------
/**
* Field data query
*
* Generates a platform-specific query so that the column data can be retrieved
*
* @param string $table
* @return string
*/
protected function _field_data($table)
{
return 'SELECT * FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE).' LIMIT 1';
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
$this->qb_orderby = array();
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
$this->qb_limit = FALSE;
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
return $sql.' LIMIT '.$this->qb_limit.($this->qb_offset ? ' OFFSET '.$this->qb_offset : '');
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO 4D Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_4d_forge extends CI_DB_pdo_forge {
/**
* CREATE DATABASE statement
*
* @var string
*/
protected $_create_database = 'CREATE SCHEMA %s';
/**
* DROP DATABASE statement
*
* @var string
*/
protected $_drop_database = 'DROP SCHEMA %s';
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = 'CREATE TABLE IF NOT EXISTS';
/**
* RENAME TABLE statement
*
* @var string
*/
protected $_rename_table = FALSE;
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = 'DROP TABLE IF EXISTS';
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'INT16' => 'INT',
'SMALLINT' => 'INT',
'INT' => 'INT64',
'INT32' => 'INT64'
);
/**
* DEFAULT value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_default = FALSE;
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if (in_array($alter_type, array('ADD', 'DROP'), TRUE))
{
return parent::_alter_table($alter_type, $table, $field);
}
// No method of modifying columns is supported
return FALSE;
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
return $this->db->escape_identifiers($field['name'])
.' '.$field['type'].$field['length']
.$field['null']
.$field['unique']
.$field['auto_increment'];
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
$attributes['UNSIGNED'] = FALSE;
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
case 'INTEGER':
$attributes['TYPE'] = 'INT';
return;
case 'BIGINT':
$attributes['TYPE'] = 'INT64';
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute UNIQUE
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_unique(&$attributes, &$field)
{
if ( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE)
{
$field['unique'] = ' UNIQUE';
// UNIQUE must be used with NOT NULL
$field['null'] = ' NOT NULL';
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
if (stripos($field['type'], 'int') !== FALSE)
{
$field['auto_increment'] = ' AUTO_INCREMENT';
}
elseif (strcasecmp($field['type'], 'UUID') === 0)
{
$field['auto_increment'] = ' AUTO_GENERATE';
}
}
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO CUBRID Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_cubrid_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'cubrid';
/**
* Identifier escape character
*
* @var string
*/
protected $_escape_char = '`';
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('RANDOM()', 'RANDOM(%d)');
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'cubrid:host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
empty($this->port) OR $this->dsn .= ';port='.$this->port;
empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
}
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SHOW TABLES';
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->Field;
sscanf($query[$i]->Type, '%[a-z](%d)',
$retval[$i]->type,
$retval[$i]->max_length
);
$retval[$i]->default = $query[$i]->Default;
$retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'TRUNCATE '.$table;
}
// --------------------------------------------------------------------
/**
* FROM tables
*
* Groups tables in FROM clauses if needed, so there is no confusion
* about operator precedence.
*
* @return string
*/
protected function _from_tables()
{
if ( ! empty($this->qb_join) && count($this->qb_from) > 1)
{
return '('.implode(', ', $this->qb_from).')';
}
return implode(', ', $this->qb_from);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO CUBRID Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_cubrid_forge extends CI_DB_pdo_forge {
/**
* CREATE DATABASE statement
*
* @var string
*/
protected $_create_database = FALSE;
/**
* DROP DATABASE statement
*
* @var string
*/
protected $_drop_database = FALSE;
/**
* CREATE TABLE keys flag
*
* Whether table keys are created from within the
* CREATE TABLE statement.
*
* @var bool
*/
protected $_create_table_keys = TRUE;
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = 'DROP TABLE IF EXISTS';
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'SHORT' => 'INTEGER',
'SMALLINT' => 'INTEGER',
'INT' => 'BIGINT',
'INTEGER' => 'BIGINT',
'BIGINT' => 'NUMERIC',
'FLOAT' => 'DOUBLE',
'REAL' => 'DOUBLE'
);
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if (in_array($alter_type, array('DROP', 'ADD'), TRUE))
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
$sqls[] = $sql.' CHANGE '.$field[$i]['_literal'];
}
else
{
$alter_type = empty($field[$i]['new_name']) ? ' MODIFY ' : ' CHANGE ';
$sqls[] = $sql.$alter_type.$this->_process_column($field[$i]);
}
}
return $sqls;
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
$extra_clause = isset($field['after'])
? ' AFTER '.$this->db->escape_identifiers($field['after']) : '';
if (empty($extra_clause) && isset($field['first']) && $field['first'] === TRUE)
{
$extra_clause = ' FIRST';
}
return $this->db->escape_identifiers($field['name'])
.(empty($field['new_name']) ? '' : ' '.$this->db->escape_identifiers($field['new_name']))
.' '.$field['type'].$field['length']
.$field['unsigned']
.$field['null']
.$field['default']
.$field['auto_increment']
.$field['unique']
.$extra_clause;
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
$attributes['UNSIGNED'] = FALSE;
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
case 'LONGTEXT':
$attributes['TYPE'] = 'STRING';
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Process indexes
*
* @param string $table (ignored)
* @return string
*/
protected function _process_indexes($table)
{
$sql = '';
for ($i = 0, $c = count($this->keys); $i < $c; $i++)
{
if (is_array($this->keys[$i]))
{
for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
{
if ( ! isset($this->fields[$this->keys[$i][$i2]]))
{
unset($this->keys[$i][$i2]);
continue;
}
}
}
elseif ( ! isset($this->fields[$this->keys[$i]]))
{
unset($this->keys[$i]);
continue;
}
is_array($this->keys[$i]) OR $this->keys[$i] = array($this->keys[$i]);
$sql .= ",\n\tKEY ".$this->db->escape_identifiers(implode('_', $this->keys[$i]))
.' ('.implode(', ', $this->db->escape_identifiers($this->keys[$i])).')';
}
$this->keys = array();
return $sql;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO DBLIB Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_dblib_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'dblib';
// --------------------------------------------------------------------
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('NEWID()', 'RAND(%d)');
/**
* Quoted identifier flag
*
* Whether to use SQL-92 standard quoted identifier
* (double quotes) or brackets for identifier escaping.
*
* @var bool
*/
protected $_quoted_identifier;
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = $params['subdriver'].':host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
if ( ! empty($this->port))
{
$this->dsn .= (DIRECTORY_SEPARATOR === '\\' ? ',' : ':').$this->port;
}
empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
empty($this->appname) OR $this->dsn .= ';appname='.$this->appname;
}
else
{
if ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 6) === FALSE)
{
$this->dsn .= ';charset='.$this->char_set;
}
$this->subdriver = 'dblib';
}
}
// --------------------------------------------------------------------
/**
* Database connection
*
* @param bool $persistent
* @return object
*/
public function db_connect($persistent = FALSE)
{
if ($persistent === TRUE)
{
log_message('debug', "dblib driver doesn't support persistent connections");
}
$this->conn_id = parent::db_connect(FALSE);
if ( ! is_object($this->conn_id))
{
return $this->conn_id;
}
// Determine how identifiers are escaped
$query = $this->query('SELECT CASE WHEN (@@OPTIONS | 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');
$query = $query->row_array();
$this->_quoted_identifier = empty($query) ? FALSE : (bool) $query['qi'];
$this->_escape_char = ($this->_quoted_identifier) ? '"' : array('[', ']');
return $this->conn_id;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT '.$this->escape_identifiers('name')
.' FROM '.$this->escape_identifiers('sysobjects')
.' WHERE '.$this->escape_identifiers('type')." = 'U'";
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
$sql .= ' AND '.$this->escape_identifiers('name')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql.' ORDER BY '.$this->escape_identifiers('name');
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.Columns
WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
$sql = 'SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION, COLUMN_DEFAULT
FROM INFORMATION_SCHEMA.Columns
WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
if (($query = $this->query($sql)) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->COLUMN_NAME;
$retval[$i]->type = $query[$i]->DATA_TYPE;
$retval[$i]->max_length = ($query[$i]->CHARACTER_MAXIMUM_LENGTH > 0) ? $query[$i]->CHARACTER_MAXIMUM_LENGTH : $query[$i]->NUMERIC_PRECISION;
$retval[$i]->default = $query[$i]->COLUMN_DEFAULT;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
$this->qb_orderby = array();
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
if ($this->qb_limit)
{
return 'WITH ci_delete AS (SELECT TOP '.$this->qb_limit.' * FROM '.$table.$this->_compile_wh('qb_where').') DELETE FROM ci_delete';
}
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
$limit = $this->qb_offset + $this->qb_limit;
// As of SQL Server 2005 (9.0.*) ROW_NUMBER() is supported,
// however an ORDER BY clause is required for it to work
if (version_compare($this->version(), '9', '>=') && $this->qb_offset && ! empty($this->qb_orderby))
{
$orderby = $this->_compile_order_by();
// We have to strip the ORDER BY clause
$sql = trim(substr($sql, 0, strrpos($sql, $orderby)));
// Get the fields to select from our subquery, so that we can avoid CI_rownum appearing in the actual results
if (count($this->qb_select) === 0 OR strpos(implode(',', $this->qb_select), '*') !== FALSE)
{
$select = '*'; // Inevitable
}
else
{
// Use only field names and their aliases, everything else is out of our scope.
$select = array();
$field_regexp = ($this->_quoted_identifier)
? '("[^\"]+")' : '(\[[^\]]+\])';
for ($i = 0, $c = count($this->qb_select); $i < $c; $i++)
{
$select[] = preg_match('/(?:\s|\.)'.$field_regexp.'$/i', $this->qb_select[$i], $m)
? $m[1] : $this->qb_select[$i];
}
$select = implode(', ', $select);
}
return 'SELECT '.$select." FROM (\n\n"
.preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.trim($orderby).') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
."\n\n) ".$this->escape_identifiers('CI_subquery')
."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.($this->qb_offset + 1).' AND '.$limit;
}
return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
}
// --------------------------------------------------------------------
/**
* Insert batch statement
*
* Generates a platform-specific insert string from the supplied data.
*
* @param string $table Table name
* @param array $keys INSERT keys
* @param array $values INSERT values
* @return string|bool
*/
protected function _insert_batch($table, $keys, $values)
{
// Multiple-value inserts are only supported as of SQL Server 2008
if (version_compare($this->version(), '10', '>='))
{
return parent::_insert_batch($table, $keys, $values);
}
return ($this->db_debug) ? $this->display_error('db_unsupported_feature') : FALSE;
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
return $this->data_cache['version'] = $this->conn_id->query("SELECT SERVERPROPERTY('ProductVersion') AS ver")->fetchColumn(0);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO DBLIB Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_dblib_forge extends CI_DB_pdo_forge {
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nCREATE TABLE";
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = "IF EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nDROP TABLE";
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'TINYINT' => 'SMALLINT',
'SMALLINT' => 'INT',
'INT' => 'BIGINT',
'REAL' => 'FLOAT'
);
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if (in_array($alter_type, array('ADD', 'DROP'), TRUE))
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' ALTER COLUMN ';
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
$sqls[] = $sql.$this->_process_column($field[$i]);
}
return $sqls;
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
if (isset($attributes['CONSTRAINT']) && strpos($attributes['TYPE'], 'INT') !== FALSE)
{
unset($attributes['CONSTRAINT']);
}
switch (strtoupper($attributes['TYPE']))
{
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
case 'INTEGER':
$attributes['TYPE'] = 'INT';
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'int') !== FALSE)
{
$field['auto_increment'] = ' IDENTITY(1,1)';
}
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Firebird Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_firebird_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'firebird';
// --------------------------------------------------------------------
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('RAND()', 'RAND()');
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'firebird:';
if ( ! empty($this->database))
{
$this->dsn .= 'dbname='.$this->database;
}
elseif ( ! empty($this->hostname))
{
$this->dsn .= 'dbname='.$this->hostname;
}
empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
empty($this->role) OR $this->dsn .= ';role='.$this->role;
}
elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 9) === FALSE)
{
$this->dsn .= ';charset='.$this->char_set;
}
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT "RDB$RELATION_NAME" FROM "RDB$RELATIONS" WHERE "RDB$RELATION_NAME" NOT LIKE \'RDB$%\' AND "RDB$RELATION_NAME" NOT LIKE \'MON$%\'';
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
return $sql.' AND "RDB$RELATION_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SELECT "RDB$FIELD_NAME" FROM "RDB$RELATION_FIELDS" WHERE "RDB$RELATION_NAME" = '.$this->escape($table);
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
$sql = 'SELECT "rfields"."RDB$FIELD_NAME" AS "name",
CASE "fields"."RDB$FIELD_TYPE"
WHEN 7 THEN \'SMALLINT\'
WHEN 8 THEN \'INTEGER\'
WHEN 9 THEN \'QUAD\'
WHEN 10 THEN \'FLOAT\'
WHEN 11 THEN \'DFLOAT\'
WHEN 12 THEN \'DATE\'
WHEN 13 THEN \'TIME\'
WHEN 14 THEN \'CHAR\'
WHEN 16 THEN \'INT64\'
WHEN 27 THEN \'DOUBLE\'
WHEN 35 THEN \'TIMESTAMP\'
WHEN 37 THEN \'VARCHAR\'
WHEN 40 THEN \'CSTRING\'
WHEN 261 THEN \'BLOB\'
ELSE NULL
END AS "type",
"fields"."RDB$FIELD_LENGTH" AS "max_length",
"rfields"."RDB$DEFAULT_VALUE" AS "default"
FROM "RDB$RELATION_FIELDS" "rfields"
JOIN "RDB$FIELDS" "fields" ON "rfields"."RDB$FIELD_SOURCE" = "fields"."RDB$FIELD_NAME"
WHERE "rfields"."RDB$RELATION_NAME" = '.$this->escape($table).'
ORDER BY "rfields"."RDB$FIELD_POSITION"';
return (($query = $this->query($sql)) !== FALSE)
? $query->result_object()
: FALSE;
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'DELETE FROM '.$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
$this->qb_limit = FALSE;
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
// Limit clause depends on if Interbase or Firebird
if (stripos($this->version(), 'firebird') !== FALSE)
{
$select = 'FIRST '.$this->qb_limit
.($this->qb_offset > 0 ? ' SKIP '.$this->qb_offset : '');
}
else
{
$select = 'ROWS '
.($this->qb_offset > 0 ? $this->qb_offset.' TO '.($this->qb_limit + $this->qb_offset) : $this->qb_limit);
}
return preg_replace('`SELECT`i', 'SELECT '.$select, $sql);
}
// --------------------------------------------------------------------
/**
* Insert batch statement
*
* Generates a platform-specific insert string from the supplied data.
*
* @param string $table Table name
* @param array $keys INSERT keys
* @param array $values INSERT values
* @return string|bool
*/
protected function _insert_batch($table, $keys, $values)
{
return ($this->db_debug) ? $this->display_error('db_unsupported_feature') : FALSE;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Firebird Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_firebird_forge extends CI_DB_pdo_forge {
/**
* RENAME TABLE statement
*
* @var string
*/
protected $_rename_table = FALSE;
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'SMALLINT' => 'INTEGER',
'INTEGER' => 'INT64',
'FLOAT' => 'DOUBLE PRECISION'
);
/**
* NULL value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_null = 'NULL';
// --------------------------------------------------------------------
/**
* Create database
*
* @param string $db_name
* @return string
*/
public function create_database($db_name)
{
// Firebird databases are flat files, so a path is required
// Hostname is needed for remote access
empty($this->db->hostname) OR $db_name = $this->hostname.':'.$db_name;
return parent::create_database('"'.$db_name.'"');
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @param string $db_name (ignored)
* @return bool
*/
public function drop_database($db_name)
{
if ( ! ibase_drop_db($this->conn_id))
{
return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE;
}
elseif ( ! empty($this->db->data_cache['db_names']))
{
$key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
if ($key !== FALSE)
{
unset($this->db->data_cache['db_names'][$key]);
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if (in_array($alter_type, array('DROP', 'ADD'), TRUE))
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
return FALSE;
}
if (isset($field[$i]['type']))
{
$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' TYPE '.$field[$i]['type'].$field[$i]['length'];
}
if ( ! empty($field[$i]['default']))
{
$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' SET DEFAULT '.$field[$i]['default'];
}
if (isset($field[$i]['null']))
{
$sqls[] = 'UPDATE "RDB$RELATION_FIELDS" SET "RDB$NULL_FLAG" = '
.($field[$i]['null'] === TRUE ? 'NULL' : '1')
.' WHERE "RDB$FIELD_NAME" = '.$this->db->escape($field[$i]['name'])
.' AND "RDB$RELATION_NAME" = '.$this->db->escape($table);
}
if ( ! empty($field[$i]['new_name']))
{
$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' TO '.$this->db->escape_identifiers($field[$i]['new_name']);
}
}
return $sqls;
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
return $this->db->escape_identifiers($field['name'])
.' '.$field['type'].$field['length']
.$field['null']
.$field['unique']
.$field['default'];
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
$attributes['UNSIGNED'] = FALSE;
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
case 'INT':
$attributes['TYPE'] = 'INTEGER';
return;
case 'BIGINT':
$attributes['TYPE'] = 'INT64';
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
// Not supported
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO IBM DB2 Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_ibm_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'ibm';
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'ibm:';
// Pre-defined DSN
if (empty($this->hostname) && empty($this->HOSTNAME) && empty($this->port) && empty($this->PORT))
{
if (isset($this->DSN))
{
$this->dsn .= 'DSN='.$this->DSN;
}
elseif ( ! empty($this->database))
{
$this->dsn .= 'DSN='.$this->database;
}
return;
}
$this->dsn .= 'DRIVER='.(isset($this->DRIVER) ? '{'.$this->DRIVER.'}' : '{IBM DB2 ODBC DRIVER}').';';
if (isset($this->DATABASE))
{
$this->dsn .= 'DATABASE='.$this->DATABASE.';';
}
elseif ( ! empty($this->database))
{
$this->dsn .= 'DATABASE='.$this->database.';';
}
if (isset($this->HOSTNAME))
{
$this->dsn .= 'HOSTNAME='.$this->HOSTNAME.';';
}
else
{
$this->dsn .= 'HOSTNAME='.(empty($this->hostname) ? '127.0.0.1;' : $this->hostname.';');
}
if (isset($this->PORT))
{
$this->dsn .= 'PORT='.$this->port.';';
}
elseif ( ! empty($this->port))
{
$this->dsn .= ';PORT='.$this->port.';';
}
$this->dsn .= 'PROTOCOL='.(isset($this->PROTOCOL) ? $this->PROTOCOL.';' : 'TCPIP;');
}
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT "tabname" FROM "syscat"."tables"
WHERE "type" = \'T\' AND LOWER("tabschema") = '.$this->escape(strtolower($this->database));
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
$sql .= ' AND "tabname" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return array
*/
protected function _list_columns($table = '')
{
return 'SELECT "colname" FROM "syscat"."columns"
WHERE LOWER("tabschema") = '.$this->escape(strtolower($this->database)).'
AND LOWER("tabname") = '.$this->escape(strtolower($table));
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
$sql = 'SELECT "colname" AS "name", "typename" AS "type", "default" AS "default", "length" AS "max_length",
CASE "keyseq" WHEN NULL THEN 0 ELSE 1 END AS "primary_key"
FROM "syscat"."columns"
WHERE LOWER("tabschema") = '.$this->escape(strtolower($this->database)).'
AND LOWER("tabname") = '.$this->escape(strtolower($table)).'
ORDER BY "colno"';
return (($query = $this->query($sql)) !== FALSE)
? $query->result_object()
: FALSE;
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
$this->qb_orderby = array();
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
$this->qb_limit = FALSE;
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
$sql .= ' FETCH FIRST '.($this->qb_limit + $this->qb_offset).' ROWS ONLY';
return ($this->qb_offset)
? 'SELECT * FROM ('.$sql.') WHERE rownum > '.$this->qb_offset
: $sql;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO IBM DB2 Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_ibm_forge extends CI_DB_pdo_forge {
/**
* RENAME TABLE IF statement
*
* @var string
*/
protected $_rename_table = 'RENAME TABLE %s TO %s';
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'SMALLINT' => 'INTEGER',
'INT' => 'BIGINT',
'INTEGER' => 'BIGINT'
);
/**
* DEFAULT value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_default = FALSE;
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if ($alter_type === 'CHANGE')
{
$alter_type = 'MODIFY';
}
return parent::_alter_table($alter_type, $table, $field);
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
$attributes['UNSIGNED'] = FALSE;
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute UNIQUE
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_unique(&$attributes, &$field)
{
if ( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE)
{
$field['unique'] = ' UNIQUE';
// UNIQUE must be used with NOT NULL
$field['null'] = ' NOT NULL';
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
// Not supported
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Informix Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_informix_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'informix';
// --------------------------------------------------------------------
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('ASC', 'ASC'); // Currently not supported
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'informix:';
// Pre-defined DSN
if (empty($this->hostname) && empty($this->host) && empty($this->port) && empty($this->service))
{
if (isset($this->DSN))
{
$this->dsn .= 'DSN='.$this->DSN;
}
elseif ( ! empty($this->database))
{
$this->dsn .= 'DSN='.$this->database;
}
return;
}
if (isset($this->host))
{
$this->dsn .= 'host='.$this->host;
}
else
{
$this->dsn .= 'host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
}
if (isset($this->service))
{
$this->dsn .= '; service='.$this->service;
}
elseif ( ! empty($this->port))
{
$this->dsn .= '; service='.$this->port;
}
empty($this->database) OR $this->dsn .= '; database='.$this->database;
empty($this->server) OR $this->dsn .= '; server='.$this->server;
$this->dsn .= '; protocol='.(isset($this->protocol) ? $this->protocol : 'onsoctcp')
.'; EnableScrollableCursors=1';
}
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT "tabname" FROM "systables"
WHERE "tabid" > 99 AND "tabtype" = \'T\' AND LOWER("owner") = '.$this->escape(strtolower($this->username));
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
$sql .= ' AND "tabname" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
if (strpos($table, '.') !== FALSE)
{
sscanf($table, '%[^.].%s', $owner, $table);
}
else
{
$owner = $this->username;
}
return 'SELECT "colname" FROM "systables", "syscolumns"
WHERE "systables"."tabid" = "syscolumns"."tabid"
AND "systables"."tabtype" = \'T\'
AND LOWER("systables"."owner") = '.$this->escape(strtolower($owner)).'
AND LOWER("systables"."tabname") = '.$this->escape(strtolower($table));
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
$sql = 'SELECT "syscolumns"."colname" AS "name",
CASE "syscolumns"."coltype"
WHEN 0 THEN \'CHAR\'
WHEN 1 THEN \'SMALLINT\'
WHEN 2 THEN \'INTEGER\'
WHEN 3 THEN \'FLOAT\'
WHEN 4 THEN \'SMALLFLOAT\'
WHEN 5 THEN \'DECIMAL\'
WHEN 6 THEN \'SERIAL\'
WHEN 7 THEN \'DATE\'
WHEN 8 THEN \'MONEY\'
WHEN 9 THEN \'NULL\'
WHEN 10 THEN \'DATETIME\'
WHEN 11 THEN \'BYTE\'
WHEN 12 THEN \'TEXT\'
WHEN 13 THEN \'VARCHAR\'
WHEN 14 THEN \'INTERVAL\'
WHEN 15 THEN \'NCHAR\'
WHEN 16 THEN \'NVARCHAR\'
WHEN 17 THEN \'INT8\'
WHEN 18 THEN \'SERIAL8\'
WHEN 19 THEN \'SET\'
WHEN 20 THEN \'MULTISET\'
WHEN 21 THEN \'LIST\'
WHEN 22 THEN \'Unnamed ROW\'
WHEN 40 THEN \'LVARCHAR\'
WHEN 41 THEN \'BLOB/CLOB/BOOLEAN\'
WHEN 4118 THEN \'Named ROW\'
ELSE "syscolumns"."coltype"
END AS "type",
"syscolumns"."collength" as "max_length",
CASE "sysdefaults"."type"
WHEN \'L\' THEN "sysdefaults"."default"
ELSE NULL
END AS "default"
FROM "syscolumns", "systables", "sysdefaults"
WHERE "syscolumns"."tabid" = "systables"."tabid"
AND "systables"."tabid" = "sysdefaults"."tabid"
AND "syscolumns"."colno" = "sysdefaults"."colno"
AND "systables"."tabtype" = \'T\'
AND LOWER("systables"."owner") = '.$this->escape(strtolower($this->username)).'
AND LOWER("systables"."tabname") = '.$this->escape(strtolower($table)).'
ORDER BY "syscolumns"."colno"';
return (($query = $this->query($sql)) !== FALSE)
? $query->result_object()
: FALSE;
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
$this->qb_orderby = array();
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'TRUNCATE TABLE ONLY '.$table;
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
$this->qb_limit = FALSE;
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql $SQL Query
* @return string
*/
protected function _limit($sql)
{
$select = 'SELECT '.($this->qb_offset ? 'SKIP '.$this->qb_offset : '').'FIRST '.$this->qb_limit.' ';
return preg_replace('/^(SELECT\s)/i', $select, $sql, 1);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Informix Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_informix_forge extends CI_DB_pdo_forge {
/**
* RENAME TABLE statement
*
* @var string
*/
protected $_rename_table = 'RENAME TABLE %s TO %s';
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'SMALLINT' => 'INTEGER',
'INT' => 'BIGINT',
'INTEGER' => 'BIGINT',
'REAL' => 'DOUBLE PRECISION',
'SMALLFLOAT' => 'DOUBLE PRECISION'
);
/**
* DEFAULT value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_default = ', ';
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if ($alter_type === 'CHANGE')
{
$alter_type = 'MODIFY';
}
return parent::_alter_table($alter_type, $table, $field);
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
$attributes['UNSIGNED'] = FALSE;
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
case 'BYTE':
case 'TEXT':
case 'BLOB':
case 'CLOB':
$attributes['UNIQUE'] = FALSE;
if (isset($attributes['DEFAULT']))
{
unset($attributes['DEFAULT']);
}
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute UNIQUE
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_unique(&$attributes, &$field)
{
if ( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE)
{
$field['unique'] = ' UNIQUE CONSTRAINT '.$this->db->escape_identifiers($field['name']);
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
// Not supported
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO MySQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'mysql';
/**
* Compression flag
*
* @var bool
*/
public $compress = FALSE;
/**
* Strict ON flag
*
* Whether we're running in strict SQL mode.
*
* @var bool
*/
public $stricton;
// --------------------------------------------------------------------
/**
* Identifier escape character
*
* @var string
*/
protected $_escape_char = '`';
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'mysql:host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
empty($this->port) OR $this->dsn .= ';port='.$this->port;
empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
}
elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 6) === FALSE)
{
$this->dsn .= ';charset='.$this->char_set;
}
}
// --------------------------------------------------------------------
/**
* Database connection
*
* @param bool $persistent
* @return object
*/
public function db_connect($persistent = FALSE)
{
if (isset($this->stricton))
{
if ($this->stricton)
{
$sql = 'CONCAT(@@sql_mode, ",", "STRICT_ALL_TABLES")';
}
else
{
$sql = 'REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
@@sql_mode,
"STRICT_ALL_TABLES,", ""),
",STRICT_ALL_TABLES", ""),
"STRICT_ALL_TABLES", ""),
"STRICT_TRANS_TABLES,", ""),
",STRICT_TRANS_TABLES", ""),
"STRICT_TRANS_TABLES", "")';
}
if ( ! empty($sql))
{
if (empty($this->options[PDO::MYSQL_ATTR_INIT_COMMAND]))
{
$this->options[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET SESSION sql_mode = '.$sql;
}
else
{
$this->options[PDO::MYSQL_ATTR_INIT_COMMAND] .= ', @@session.sql_mode = '.$sql;
}
}
}
if ($this->compress === TRUE)
{
$this->options[PDO::MYSQL_ATTR_COMPRESS] = TRUE;
}
if (is_array($this->encrypt))
{
$ssl = array();
empty($this->encrypt['ssl_key']) OR $ssl[PDO::MYSQL_ATTR_SSL_KEY] = $this->encrypt['ssl_key'];
empty($this->encrypt['ssl_cert']) OR $ssl[PDO::MYSQL_ATTR_SSL_CERT] = $this->encrypt['ssl_cert'];
empty($this->encrypt['ssl_ca']) OR $ssl[PDO::MYSQL_ATTR_SSL_CA] = $this->encrypt['ssl_ca'];
empty($this->encrypt['ssl_capath']) OR $ssl[PDO::MYSQL_ATTR_SSL_CAPATH] = $this->encrypt['ssl_capath'];
empty($this->encrypt['ssl_cipher']) OR $ssl[PDO::MYSQL_ATTR_SSL_CIPHER] = $this->encrypt['ssl_cipher'];
// DO NOT use array_merge() here!
// It re-indexes numeric keys and the PDO_MYSQL_ATTR_SSL_* constants are integers.
empty($ssl) OR $this->options += $ssl;
}
// Prior to version 5.7.3, MySQL silently downgrades to an unencrypted connection if SSL setup fails
if (
($pdo = parent::db_connect($persistent)) !== FALSE
&& ! empty($ssl)
&& version_compare($pdo->getAttribute(PDO::ATTR_CLIENT_VERSION), '5.7.3', '<=')
&& empty($pdo->query("SHOW STATUS LIKE 'ssl_cipher'")->fetchObject()->Value)
)
{
$message = 'PDO_MYSQL was configured for an SSL connection, but got an unencrypted connection instead!';
log_message('error', $message);
return ($this->db_debug) ? $this->display_error($message, '', TRUE) : FALSE;
}
return $pdo;
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @param string $database
* @return bool
*/
public function db_select($database = '')
{
if ($database === '')
{
$database = $this->database;
}
if (FALSE !== $this->simple_query('USE '.$this->escape_identifiers($database)))
{
$this->database = $database;
$this->data_cache = array();
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
$this->conn_id->setAttribute(PDO::ATTR_AUTOCOMMIT, FALSE);
return $this->conn_id->beginTransaction();
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
if ($this->conn_id->commit())
{
$this->conn_id->setAttribute(PDO::ATTR_AUTOCOMMIT, TRUE);
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
if ($this->conn_id->rollBack())
{
$this->conn_id->setAttribute(PDO::ATTR_AUTOCOMMIT, TRUE);
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SHOW TABLES';
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->Field;
sscanf($query[$i]->Type, '%[a-z](%d)',
$retval[$i]->type,
$retval[$i]->max_length
);
$retval[$i]->default = $query[$i]->Default;
$retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'TRUNCATE '.$table;
}
// --------------------------------------------------------------------
/**
* FROM tables
*
* Groups tables in FROM clauses if needed, so there is no confusion
* about operator precedence.
*
* @return string
*/
protected function _from_tables()
{
if ( ! empty($this->qb_join) && count($this->qb_from) > 1)
{
return '('.implode(', ', $this->qb_from).')';
}
return implode(', ', $this->qb_from);
}
}

256
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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO MySQL Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_mysql_forge extends CI_DB_pdo_forge {
/**
* CREATE DATABASE statement
*
* @var string
*/
protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = 'CREATE TABLE IF NOT EXISTS';
/**
* CREATE TABLE keys flag
*
* Whether table keys are created from within the
* CREATE TABLE statement.
*
* @var bool
*/
protected $_create_table_keys = TRUE;
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = 'DROP TABLE IF EXISTS';
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'TINYINT',
'SMALLINT',
'MEDIUMINT',
'INT',
'INTEGER',
'BIGINT',
'REAL',
'DOUBLE',
'DOUBLE PRECISION',
'FLOAT',
'DECIMAL',
'NUMERIC'
);
/**
* NULL value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_null = 'NULL';
// --------------------------------------------------------------------
/**
* CREATE TABLE attributes
*
* @param array $attributes Associative array of table attributes
* @return string
*/
protected function _create_table_attr($attributes)
{
$sql = '';
foreach (array_keys($attributes) as $key)
{
if (is_string($key))
{
$sql .= ' '.strtoupper($key).' = '.$attributes[$key];
}
}
if ( ! empty($this->db->char_set) && ! strpos($sql, 'CHARACTER SET') && ! strpos($sql, 'CHARSET'))
{
$sql .= ' DEFAULT CHARACTER SET = '.$this->db->char_set;
}
if ( ! empty($this->db->dbcollat) && ! strpos($sql, 'COLLATE'))
{
$sql .= ' COLLATE = '.$this->db->dbcollat;
}
return $sql;
}
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if ($alter_type === 'DROP')
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
$field[$i] = ($alter_type === 'ADD')
? "\n\tADD ".$field[$i]['_literal']
: "\n\tMODIFY ".$field[$i]['_literal'];
}
else
{
if ($alter_type === 'ADD')
{
$field[$i]['_literal'] = "\n\tADD ";
}
else
{
$field[$i]['_literal'] = empty($field[$i]['new_name']) ? "\n\tMODIFY " : "\n\tCHANGE ";
}
$field[$i] = $field[$i]['_literal'].$this->_process_column($field[$i]);
}
}
return array($sql.implode(',', $field));
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
$extra_clause = isset($field['after'])
? ' AFTER '.$this->db->escape_identifiers($field['after']) : '';
if (empty($extra_clause) && isset($field['first']) && $field['first'] === TRUE)
{
$extra_clause = ' FIRST';
}
return $this->db->escape_identifiers($field['name'])
.(empty($field['new_name']) ? '' : ' '.$this->db->escape_identifiers($field['new_name']))
.' '.$field['type'].$field['length']
.$field['unsigned']
.$field['null']
.$field['default']
.$field['auto_increment']
.$field['unique']
.(empty($field['comment']) ? '' : ' COMMENT '.$field['comment'])
.$extra_clause;
}
// --------------------------------------------------------------------
/**
* Process indexes
*
* @param string $table (ignored)
* @return string
*/
protected function _process_indexes($table)
{
$sql = '';
for ($i = 0, $c = count($this->keys); $i < $c; $i++)
{
if (is_array($this->keys[$i]))
{
for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
{
if ( ! isset($this->fields[$this->keys[$i][$i2]]))
{
unset($this->keys[$i][$i2]);
continue;
}
}
}
elseif ( ! isset($this->fields[$this->keys[$i]]))
{
unset($this->keys[$i]);
continue;
}
is_array($this->keys[$i]) OR $this->keys[$i] = array($this->keys[$i]);
$sql .= ",\n\tKEY ".$this->db->escape_identifiers(implode('_', $this->keys[$i]))
.' ('.implode(', ', $this->db->escape_identifiers($this->keys[$i])).')';
}
$this->keys = array();
return $sql;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Oracle Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'oci';
// --------------------------------------------------------------------
/**
* List of reserved identifiers
*
* Identifiers that must NOT be escaped.
*
* @var string[]
*/
protected $_reserved_identifiers = array('*', 'rownum');
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('ASC', 'ASC'); // Currently not supported
/**
* COUNT string
*
* @used-by CI_DB_driver::count_all()
* @used-by CI_DB_query_builder::count_all_results()
*
* @var string
*/
protected $_count_string = 'SELECT COUNT(1) AS ';
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'oci:dbname=';
// Oracle has a slightly different PDO DSN format (Easy Connect),
// which also supports pre-defined DSNs.
if (empty($this->hostname) && empty($this->port))
{
$this->dsn .= $this->database;
}
else
{
$this->dsn .= '//'.(empty($this->hostname) ? '127.0.0.1' : $this->hostname)
.(empty($this->port) ? '' : ':'.$this->port).'/';
empty($this->database) OR $this->dsn .= $this->database;
}
empty($this->char_set) OR $this->dsn .= ';charset='.$this->char_set;
}
elseif ( ! empty($this->char_set) && strpos($this->dsn, 'charset=', 4) === FALSE)
{
$this->dsn .= ';charset='.$this->char_set;
}
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
$version_string = parent::version();
if (preg_match('#Release\s(?<version>\d+(?:\.\d+)+)#', $version_string, $match))
{
return $this->data_cache['version'] = $match[1];
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT "TABLE_NAME" FROM "ALL_TABLES"';
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
return $sql.' WHERE "TABLE_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
if (strpos($table, '.') !== FALSE)
{
sscanf($table, '%[^.].%s', $owner, $table);
}
else
{
$owner = $this->username;
}
return 'SELECT COLUMN_NAME FROM ALL_TAB_COLUMNS
WHERE UPPER(OWNER) = '.$this->escape(strtoupper($owner)).'
AND UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (strpos($table, '.') !== FALSE)
{
sscanf($table, '%[^.].%s', $owner, $table);
}
else
{
$owner = $this->username;
}
$sql = 'SELECT COLUMN_NAME, DATA_TYPE, CHAR_LENGTH, DATA_PRECISION, DATA_LENGTH, DATA_DEFAULT, NULLABLE
FROM ALL_TAB_COLUMNS
WHERE UPPER(OWNER) = '.$this->escape(strtoupper($owner)).'
AND UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
if (($query = $this->query($sql)) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->COLUMN_NAME;
$retval[$i]->type = $query[$i]->DATA_TYPE;
$length = ($query[$i]->CHAR_LENGTH > 0)
? $query[$i]->CHAR_LENGTH : $query[$i]->DATA_PRECISION;
if ($length === NULL)
{
$length = $query[$i]->DATA_LENGTH;
}
$retval[$i]->max_length = $length;
$default = $query[$i]->DATA_DEFAULT;
if ($default === NULL && $query[$i]->NULLABLE === 'N')
{
$default = '';
}
$retval[$i]->default = $query[$i]->COLUMN_DEFAULT;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Insert batch statement
*
* @param string $table Table name
* @param array $keys INSERT keys
* @param array $values INSERT values
* @return string
*/
protected function _insert_batch($table, $keys, $values)
{
$keys = implode(', ', $keys);
$sql = "INSERT ALL\n";
for ($i = 0, $c = count($values); $i < $c; $i++)
{
$sql .= ' INTO '.$table.' ('.$keys.') VALUES '.$values[$i]."\n";
}
return $sql.'SELECT * FROM dual';
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
if ($this->qb_limit)
{
$this->where('rownum <= ',$this->qb_limit, FALSE);
$this->qb_limit = FALSE;
}
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
if (version_compare($this->version(), '12.1', '>='))
{
// OFFSET-FETCH can be used only with the ORDER BY clause
empty($this->qb_orderby) && $sql .= ' ORDER BY 1';
return $sql.' OFFSET '.(int) $this->qb_offset.' ROWS FETCH NEXT '.$this->qb_limit.' ROWS ONLY';
}
return 'SELECT * FROM (SELECT inner_query.*, rownum rnum FROM ('.$sql.') inner_query WHERE rownum < '.($this->qb_offset + $this->qb_limit + 1).')'
.($this->qb_offset ? ' WHERE rnum >= '.($this->qb_offset + 1): '');
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO Oracle Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_oci_forge extends CI_DB_pdo_forge {
/**
* CREATE DATABASE statement
*
* @var string
*/
protected $_create_database = FALSE;
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = FALSE;
/**
* DROP DATABASE statement
*
* @var string
*/
protected $_drop_database = FALSE;
/**
* UNSIGNED support
*
* @var bool|array
*/
protected $_unsigned = FALSE;
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if ($alter_type === 'DROP')
{
return parent::_alter_table($alter_type, $table, $field);
}
elseif ($alter_type === 'CHANGE')
{
$alter_type = 'MODIFY';
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
$field[$i] = "\n\t".$field[$i]['_literal'];
}
else
{
$field[$i]['_literal'] = "\n\t".$this->_process_column($field[$i]);
if ( ! empty($field[$i]['comment']))
{
$sqls[] = 'COMMENT ON COLUMN '
.$this->db->escape_identifiers($table).'.'.$this->db->escape_identifiers($field[$i]['name'])
.' IS '.$field[$i]['comment'];
}
if ($alter_type === 'MODIFY' && ! empty($field[$i]['new_name']))
{
$sqls[] = $sql.' RENAME COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' TO '.$this->db->escape_identifiers($field[$i]['new_name']);
}
}
}
$sql .= ' '.$alter_type.' ';
$sql .= (count($field) === 1)
? $field[0]
: '('.implode(',', $field).')';
// RENAME COLUMN must be executed after MODIFY
array_unshift($sqls, $sql);
return $sql;
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
// Not supported - sequences and triggers must be used instead
}
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'NUMBER';
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'NUMBER';
return;
case 'INT':
$attributes['TYPE'] = 'NUMBER';
return;
case 'BIGINT':
$attributes['TYPE'] = 'NUMBER';
return;
default: return;
}
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO ODBC Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_odbc_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'odbc';
/**
* Database schema
*
* @var string
*/
public $schema = 'public';
// --------------------------------------------------------------------
/**
* Identifier escape character
*
* Must be empty for ODBC.
*
* @var string
*/
protected $_escape_char = '';
/**
* ESCAPE statement string
*
* @var string
*/
protected $_like_escape_str = " {escape '%s'} ";
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('RND()', 'RND(%d)');
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'odbc:';
// Pre-defined DSN
if (empty($this->hostname) && empty($this->HOSTNAME) && empty($this->port) && empty($this->PORT))
{
if (isset($this->DSN))
{
$this->dsn .= 'DSN='.$this->DSN;
}
elseif ( ! empty($this->database))
{
$this->dsn .= 'DSN='.$this->database;
}
return;
}
// If the DSN is not pre-configured - try to build an IBM DB2 connection string
$this->dsn .= 'DRIVER='.(isset($this->DRIVER) ? '{'.$this->DRIVER.'}' : '{IBM DB2 ODBC DRIVER}').';';
if (isset($this->DATABASE))
{
$this->dsn .= 'DATABASE='.$this->DATABASE.';';
}
elseif ( ! empty($this->database))
{
$this->dsn .= 'DATABASE='.$this->database.';';
}
if (isset($this->HOSTNAME))
{
$this->dsn .= 'HOSTNAME='.$this->HOSTNAME.';';
}
else
{
$this->dsn .= 'HOSTNAME='.(empty($this->hostname) ? '127.0.0.1;' : $this->hostname.';');
}
if (isset($this->PORT))
{
$this->dsn .= 'PORT='.$this->port.';';
}
elseif ( ! empty($this->port))
{
$this->dsn .= ';PORT='.$this->port.';';
}
$this->dsn .= 'PROTOCOL='.(isset($this->PROTOCOL) ? $this->PROTOCOL.';' : 'TCPIP;');
}
}
// --------------------------------------------------------------------
/**
* Platform-dependent string escape
*
* @param string
* @return string
*/
protected function _escape_str($str)
{
$this->display_error('db_unsupported_feature');
}
// --------------------------------------------------------------------
/**
* Determines if a query is a "write" type.
*
* @param string An SQL query string
* @return bool
*/
public function is_write_type($sql)
{
if (preg_match('#^(INSERT|UPDATE).*RETURNING\s.+(\,\s?.+)*$#is', $sql))
{
return FALSE;
}
return parent::is_write_type($sql);
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = '".$this->schema."'";
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql." AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SELECT column_name FROM information_schema.columns WHERE table_name = '.$this->escape($table);
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO ODBC Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/database/
*/
class CI_DB_pdo_odbc_forge extends CI_DB_pdo_forge {
/**
* UNSIGNED support
*
* @var bool|array
*/
protected $_unsigned = FALSE;
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
// Not supported (in most databases at least)
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO PostgreSQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'pgsql';
/**
* Database schema
*
* @var string
*/
public $schema = 'public';
// --------------------------------------------------------------------
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('RANDOM()', 'RANDOM()');
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'pgsql:host='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
empty($this->port) OR $this->dsn .= ';port='.$this->port;
empty($this->database) OR $this->dsn .= ';dbname='.$this->database;
if ( ! empty($this->username))
{
$this->dsn .= ';username='.$this->username;
empty($this->password) OR $this->dsn .= ';password='.$this->password;
}
}
}
// --------------------------------------------------------------------
/**
* Database connection
*
* @param bool $persistent
* @return object
*/
public function db_connect($persistent = FALSE)
{
$this->conn_id = parent::db_connect($persistent);
if (is_object($this->conn_id) && ! empty($this->schema))
{
$this->simple_query('SET search_path TO '.$this->schema.',public');
}
return $this->conn_id;
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @param string $name
* @return int
*/
public function insert_id($name = NULL)
{
if ($name === NULL && version_compare($this->version(), '8.1', '>='))
{
$query = $this->query('SELECT LASTVAL() AS ins_id');
$query = $query->row();
return $query->ins_id;
}
return $this->conn_id->lastInsertId($name);
}
// --------------------------------------------------------------------
/**
* Determines if a query is a "write" type.
*
* @param string An SQL query string
* @return bool
*/
public function is_write_type($sql)
{
if (preg_match('#^(INSERT|UPDATE).*RETURNING\s.+(\,\s?.+)*$#is', $sql))
{
return FALSE;
}
return parent::is_write_type($sql);
}
// --------------------------------------------------------------------
/**
* "Smart" Escape String
*
* Escapes data based on type
*
* @param string $str
* @return mixed
*/
public function escape($str)
{
if (is_bool($str))
{
return ($str) ? 'TRUE' : 'FALSE';
}
return parent::escape($str);
}
// --------------------------------------------------------------------
/**
* ORDER BY
*
* @param string $orderby
* @param string $direction ASC, DESC or RANDOM
* @param bool $escape
* @return object
*/
public function order_by($orderby, $direction = '', $escape = NULL)
{
$direction = strtoupper(trim($direction));
if ($direction === 'RANDOM')
{
if ( ! is_float($orderby) && ctype_digit((string) $orderby))
{
$orderby = ($orderby > 1)
? (float) '0.'.$orderby
: (float) $orderby;
}
if (is_float($orderby))
{
$this->simple_query('SET SEED '.$orderby);
}
$orderby = $this->_random_keyword[0];
$direction = '';
$escape = FALSE;
}
return parent::order_by($orderby, $direction, $escape);
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT "table_name" FROM "information_schema"."tables" WHERE "table_schema" = \''.$this->schema."'";
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
return $sql.' AND "table_name" LIKE \''
.$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* List column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SELECT "column_name"
FROM "information_schema"."columns"
WHERE LOWER("table_name") = '.$this->escape(strtolower($table));
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
$sql = 'SELECT "column_name", "data_type", "character_maximum_length", "numeric_precision", "column_default"
FROM "information_schema"."columns"
WHERE LOWER("table_name") = '.$this->escape(strtolower($table));
if (($query = $this->query($sql)) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->column_name;
$retval[$i]->type = $query[$i]->data_type;
$retval[$i]->max_length = ($query[$i]->character_maximum_length > 0) ? $query[$i]->character_maximum_length : $query[$i]->numeric_precision;
$retval[$i]->default = $query[$i]->column_default;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
$this->qb_orderby = array();
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @param string $table Table name
* @param array $values Update data
* @param string $index WHERE key
* @return string
*/
protected function _update_batch($table, $values, $index)
{
$ids = array();
foreach ($values as $key => $val)
{
$ids[] = $val[$index]['value'];
foreach (array_keys($val) as $field)
{
if ($field !== $index)
{
$final[$val[$field]['field']][] = 'WHEN '.$val[$index]['value'].' THEN '.$val[$field]['value'];
}
}
}
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = (CASE '.$val[$index]['field']."\n"
.implode("\n", $v)."\n"
.'ELSE '.$k.' END), ';
}
$this->where($val[$index]['field'].' IN('.implode(',', $ids).')', NULL, FALSE);
return 'UPDATE '.$table.' SET '.substr($cases, 0, -2).$this->_compile_wh('qb_where');
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
$this->qb_limit = FALSE;
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
return $sql.' LIMIT '.$this->qb_limit.($this->qb_offset ? ' OFFSET '.$this->qb_offset : '');
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO PostgreSQL Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_pgsql_forge extends CI_DB_pdo_forge {
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = 'DROP TABLE IF EXISTS';
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'INT2' => 'INTEGER',
'SMALLINT' => 'INTEGER',
'INT' => 'BIGINT',
'INT4' => 'BIGINT',
'INTEGER' => 'BIGINT',
'INT8' => 'NUMERIC',
'BIGINT' => 'NUMERIC',
'REAL' => 'DOUBLE PRECISION',
'FLOAT' => 'DOUBLE PRECISION'
);
/**
* NULL value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_null = 'NULL';
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param object &$db Database object
* @return void
*/
public function __construct(&$db)
{
parent::__construct($db);
if (version_compare($this->db->version(), '9.0', '>'))
{
$this->create_table_if = 'CREATE TABLE IF NOT EXISTS';
}
}
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if (in_array($alter_type, array('DROP', 'ADD'), TRUE))
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
return FALSE;
}
if (version_compare($this->db->version(), '8', '>=') && isset($field[$i]['type']))
{
$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' TYPE '.$field[$i]['type'].$field[$i]['length'];
}
if ( ! empty($field[$i]['default']))
{
$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' SET DEFAULT '.$field[$i]['default'];
}
if (isset($field[$i]['null']))
{
$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.($field[$i]['null'] === TRUE ? ' DROP NOT NULL' : ' SET NOT NULL');
}
if ( ! empty($field[$i]['new_name']))
{
$sqls[] = $sql.' RENAME COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
.' TO '.$this->db->escape_identifiers($field[$i]['new_name']);
}
if ( ! empty($field[$i]['comment']))
{
$sqls[] = 'COMMENT ON COLUMN '
.$this->db->escape_identifiers($table).'.'.$this->db->escape_identifiers($field[$i]['name'])
.' IS '.$field[$i]['comment'];
}
}
return $sqls;
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
// Reset field lengths for data types that don't support it
if (isset($attributes['CONSTRAINT']) && stripos($attributes['TYPE'], 'int') !== FALSE)
{
$attributes['CONSTRAINT'] = NULL;
}
switch (strtoupper($attributes['TYPE']))
{
case 'TINYINT':
$attributes['TYPE'] = 'SMALLINT';
$attributes['UNSIGNED'] = FALSE;
return;
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
{
$field['type'] = ($field['type'] === 'NUMERIC')
? 'BIGSERIAL'
: 'SERIAL';
}
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO SQLite Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_sqlite_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'sqlite';
// --------------------------------------------------------------------
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('RANDOM()', 'RANDOM()');
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'sqlite:';
if (empty($this->database) && empty($this->hostname))
{
$this->database = ':memory:';
}
$this->database = empty($this->database) ? $this->hostname : $this->database;
}
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT "NAME" FROM "SQLITE_MASTER" WHERE "TYPE" = \'table\'';
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
return $sql.' AND "NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* @param string $table Table name
* @return array
*/
public function list_fields($table)
{
// Is there a cached result?
if (isset($this->data_cache['field_names'][$table]))
{
return $this->data_cache['field_names'][$table];
}
if (($result = $this->query('PRAGMA TABLE_INFO('.$this->protect_identifiers($table, TRUE, NULL, FALSE).')')) === FALSE)
{
return FALSE;
}
$this->data_cache['field_names'][$table] = array();
foreach ($result->result_array() as $row)
{
$this->data_cache['field_names'][$table][] = $row['name'];
}
return $this->data_cache['field_names'][$table];
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (($query = $this->query('PRAGMA TABLE_INFO('.$this->protect_identifiers($table, TRUE, NULL, FALSE).')')) === FALSE)
{
return FALSE;
}
$query = $query->result_array();
if (empty($query))
{
return FALSE;
}
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]['name'];
$retval[$i]->type = $query[$i]['type'];
$retval[$i]->max_length = NULL;
$retval[$i]->default = $query[$i]['dflt_value'];
$retval[$i]->primary_key = isset($query[$i]['pk']) ? (int) $query[$i]['pk'] : 0;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Replace statement
*
* @param string $table Table name
* @param array $keys INSERT keys
* @param array $values INSERT values
* @return string
*/
protected function _replace($table, $keys, $values)
{
return 'INSERT OR '.parent::_replace($table, $keys, $values);
}
// --------------------------------------------------------------------
/**
* Truncate statement
*
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*
* @param string $table
* @return string
*/
protected function _truncate($table)
{
return 'DELETE FROM '.$table;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO SQLite Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_sqlite_forge extends CI_DB_pdo_forge {
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = 'CREATE TABLE IF NOT EXISTS';
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = 'DROP TABLE IF EXISTS';
/**
* UNSIGNED support
*
* @var bool|array
*/
protected $_unsigned = FALSE;
/**
* NULL value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_null = 'NULL';
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param object &$db Database object
* @return void
*/
public function __construct(&$db)
{
parent::__construct($db);
if (version_compare($this->db->version(), '3.3', '<'))
{
$this->_create_table_if = FALSE;
$this->_drop_table_if = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Create database
*
* @param string $db_name (ignored)
* @return bool
*/
public function create_database($db_name)
{
// In SQLite, a database is created when you connect to the database.
// We'll return TRUE so that an error isn't generated
return TRUE;
}
// --------------------------------------------------------------------
/**
* Drop database
*
* @param string $db_name (ignored)
* @return bool
*/
public function drop_database($db_name)
{
// In SQLite, a database is dropped when we delete a file
if (file_exists($this->db->database))
{
// We need to close the pseudo-connection first
$this->db->close();
if ( ! @unlink($this->db->database))
{
return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE;
}
elseif ( ! empty($this->db->data_cache['db_names']))
{
$key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
if ($key !== FALSE)
{
unset($this->db->data_cache['db_names'][$key]);
}
}
return TRUE;
}
return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE;
}
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if ($alter_type === 'DROP' OR $alter_type === 'CHANGE')
{
// drop_column():
// BEGIN TRANSACTION;
// CREATE TEMPORARY TABLE t1_backup(a,b);
// INSERT INTO t1_backup SELECT a,b FROM t1;
// DROP TABLE t1;
// CREATE TABLE t1(a,b);
// INSERT INTO t1 SELECT a,b FROM t1_backup;
// DROP TABLE t1_backup;
// COMMIT;
return FALSE;
}
return parent::_alter_table($alter_type, $table, $field);
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
return $this->db->escape_identifiers($field['name'])
.' '.$field['type']
.$field['auto_increment']
.$field['null']
.$field['unique']
.$field['default'];
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
switch (strtoupper($attributes['TYPE']))
{
case 'ENUM':
case 'SET':
$attributes['TYPE'] = 'TEXT';
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'int') !== FALSE)
{
$field['type'] = 'INTEGER PRIMARY KEY';
$field['default'] = '';
$field['null'] = '';
$field['unique'] = '';
$field['auto_increment'] = ' AUTOINCREMENT';
$this->primary_keys = array();
}
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO SQLSRV Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_sqlsrv_driver extends CI_DB_pdo_driver {
/**
* Sub-driver
*
* @var string
*/
public $subdriver = 'sqlsrv';
// --------------------------------------------------------------------
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('NEWID()', 'RAND(%d)');
/**
* Quoted identifier flag
*
* Whether to use SQL-92 standard quoted identifier
* (double quotes) or brackets for identifier escaping.
*
* @var bool
*/
protected $_quoted_identifier;
// --------------------------------------------------------------------
/**
* Class constructor
*
* Builds the DSN if not already set.
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if (empty($this->dsn))
{
$this->dsn = 'sqlsrv:Server='.(empty($this->hostname) ? '127.0.0.1' : $this->hostname);
empty($this->port) OR $this->dsn .= ','.$this->port;
empty($this->database) OR $this->dsn .= ';Database='.$this->database;
// Some custom options
if (isset($this->QuotedId))
{
$this->dsn .= ';QuotedId='.$this->QuotedId;
$this->_quoted_identifier = (bool) $this->QuotedId;
}
if (isset($this->ConnectionPooling))
{
$this->dsn .= ';ConnectionPooling='.$this->ConnectionPooling;
}
if ($this->encrypt === TRUE)
{
$this->dsn .= ';Encrypt=1';
}
if (isset($this->TraceOn))
{
$this->dsn .= ';TraceOn='.$this->TraceOn;
}
if (isset($this->TrustServerCertificate))
{
$this->dsn .= ';TrustServerCertificate='.$this->TrustServerCertificate;
}
empty($this->APP) OR $this->dsn .= ';APP='.$this->APP;
empty($this->Failover_Partner) OR $this->dsn .= ';Failover_Partner='.$this->Failover_Partner;
empty($this->LoginTimeout) OR $this->dsn .= ';LoginTimeout='.$this->LoginTimeout;
empty($this->MultipleActiveResultSets) OR $this->dsn .= ';MultipleActiveResultSets='.$this->MultipleActiveResultSets;
empty($this->TraceFile) OR $this->dsn .= ';TraceFile='.$this->TraceFile;
empty($this->WSID) OR $this->dsn .= ';WSID='.$this->WSID;
}
elseif (preg_match('/QuotedId=(0|1)/', $this->dsn, $match))
{
$this->_quoted_identifier = (bool) $match[1];
}
}
// --------------------------------------------------------------------
/**
* Database connection
*
* @param bool $persistent
* @return object
*/
public function db_connect($persistent = FALSE)
{
if ( ! empty($this->char_set) && preg_match('/utf[^8]*8/i', $this->char_set))
{
$this->options[PDO::SQLSRV_ENCODING_UTF8] = 1;
}
$this->conn_id = parent::db_connect($persistent);
if ( ! is_object($this->conn_id) OR is_bool($this->_quoted_identifier))
{
return $this->conn_id;
}
// Determine how identifiers are escaped
$query = $this->query('SELECT CASE WHEN (@@OPTIONS | 256) = @@OPTIONS THEN 1 ELSE 0 END AS qi');
$query = $query->row_array();
$this->_quoted_identifier = empty($query) ? FALSE : (bool) $query['qi'];
$this->_escape_char = ($this->_quoted_identifier) ? '"' : array('[', ']');
return $this->conn_id;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT '.$this->escape_identifiers('name')
.' FROM '.$this->escape_identifiers('sysobjects')
.' WHERE '.$this->escape_identifiers('type')." = 'U'";
if ($prefix_limit === TRUE && $this->dbprefix !== '')
{
$sql .= ' AND '.$this->escape_identifiers('name')." LIKE '".$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql.' ORDER BY '.$this->escape_identifiers('name');
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.Columns
WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
$sql = 'SELECT COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION, COLUMN_DEFAULT
FROM INFORMATION_SCHEMA.Columns
WHERE UPPER(TABLE_NAME) = '.$this->escape(strtoupper($table));
if (($query = $this->query($sql)) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->COLUMN_NAME;
$retval[$i]->type = $query[$i]->DATA_TYPE;
$retval[$i]->max_length = ($query[$i]->CHARACTER_MAXIMUM_LENGTH > 0) ? $query[$i]->CHARACTER_MAXIMUM_LENGTH : $query[$i]->NUMERIC_PRECISION;
$retval[$i]->default = $query[$i]->COLUMN_DEFAULT;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
$this->qb_orderby = array();
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
if ($this->qb_limit)
{
return 'WITH ci_delete AS (SELECT TOP '.$this->qb_limit.' * FROM '.$table.$this->_compile_wh('qb_where').') DELETE FROM ci_delete';
}
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
// As of SQL Server 2012 (11.0.*) OFFSET is supported
if (version_compare($this->version(), '11', '>='))
{
// SQL Server OFFSET-FETCH can be used only with the ORDER BY clause
empty($this->qb_orderby) && $sql .= ' ORDER BY 1';
return $sql.' OFFSET '.(int) $this->qb_offset.' ROWS FETCH NEXT '.$this->qb_limit.' ROWS ONLY';
}
$limit = $this->qb_offset + $this->qb_limit;
// An ORDER BY clause is required for ROW_NUMBER() to work
if ($this->qb_offset && ! empty($this->qb_orderby))
{
$orderby = $this->_compile_order_by();
// We have to strip the ORDER BY clause
$sql = trim(substr($sql, 0, strrpos($sql, $orderby)));
// Get the fields to select from our subquery, so that we can avoid CI_rownum appearing in the actual results
if (count($this->qb_select) === 0 OR strpos(implode(',', $this->qb_select), '*') !== FALSE)
{
$select = '*'; // Inevitable
}
else
{
// Use only field names and their aliases, everything else is out of our scope.
$select = array();
$field_regexp = ($this->_quoted_identifier)
? '("[^\"]+")' : '(\[[^\]]+\])';
for ($i = 0, $c = count($this->qb_select); $i < $c; $i++)
{
$select[] = preg_match('/(?:\s|\.)'.$field_regexp.'$/i', $this->qb_select[$i], $m)
? $m[1] : $this->qb_select[$i];
}
$select = implode(', ', $select);
}
return 'SELECT '.$select." FROM (\n\n"
.preg_replace('/^(SELECT( DISTINCT)?)/i', '\\1 ROW_NUMBER() OVER('.trim($orderby).') AS '.$this->escape_identifiers('CI_rownum').', ', $sql)
."\n\n) ".$this->escape_identifiers('CI_subquery')
."\nWHERE ".$this->escape_identifiers('CI_rownum').' BETWEEN '.($this->qb_offset + 1).' AND '.$limit;
}
return preg_replace('/(^\SELECT (DISTINCT)?)/i','\\1 TOP '.$limit.' ', $sql);
}
// --------------------------------------------------------------------
/**
* Insert batch statement
*
* Generates a platform-specific insert string from the supplied data.
*
* @param string $table Table name
* @param array $keys INSERT keys
* @param array $values INSERT values
* @return string|bool
*/
protected function _insert_batch($table, $keys, $values)
{
// Multiple-value inserts are only supported as of SQL Server 2008
if (version_compare($this->version(), '10', '>='))
{
return parent::_insert_batch($table, $keys, $values);
}
return ($this->db_debug) ? $this->display_error('db_unsupported_feature') : FALSE;
}
}

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* PDO SQLSRV Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_pdo_sqlsrv_forge extends CI_DB_pdo_forge {
/**
* CREATE TABLE IF statement
*
* @var string
*/
protected $_create_table_if = "IF NOT EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nCREATE TABLE";
/**
* DROP TABLE IF statement
*
* @var string
*/
protected $_drop_table_if = "IF EXISTS (SELECT * FROM sysobjects WHERE ID = object_id(N'%s') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)\nDROP TABLE";
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'TINYINT' => 'SMALLINT',
'SMALLINT' => 'INT',
'INT' => 'BIGINT',
'REAL' => 'FLOAT'
);
// --------------------------------------------------------------------
/**
* ALTER TABLE
*
* @param string $alter_type ALTER type
* @param string $table Table name
* @param mixed $field Column definition
* @return string|string[]
*/
protected function _alter_table($alter_type, $table, $field)
{
if (in_array($alter_type, array('ADD', 'DROP'), TRUE))
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' ALTER COLUMN ';
$sqls = array();
for ($i = 0, $c = count($field); $i < $c; $i++)
{
$sqls[] = $sql.$this->_process_column($field[$i]);
}
return $sqls;
}
// --------------------------------------------------------------------
/**
* Field attribute TYPE
*
* Performs a data type mapping between different databases.
*
* @param array &$attributes
* @return void
*/
protected function _attr_type(&$attributes)
{
if (isset($attributes['CONSTRAINT']) && strpos($attributes['TYPE'], 'INT') !== FALSE)
{
unset($attributes['CONSTRAINT']);
}
switch (strtoupper($attributes['TYPE']))
{
case 'MEDIUMINT':
$attributes['TYPE'] = 'INTEGER';
$attributes['UNSIGNED'] = FALSE;
return;
case 'INTEGER':
$attributes['TYPE'] = 'INT';
return;
default: return;
}
}
// --------------------------------------------------------------------
/**
* Field attribute AUTO_INCREMENT
*
* @param array &$attributes
* @param array &$field
* @return void
*/
protected function _attr_auto_increment(&$attributes, &$field)
{
if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'int') !== FALSE)
{
$field['auto_increment'] = ' IDENTITY(1,1)';
}
}
}

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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.3.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Postgre Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_postgre_driver extends CI_DB {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'postgre';
/**
* Database schema
*
* @var string
*/
public $schema = 'public';
// --------------------------------------------------------------------
/**
* ORDER BY random keyword
*
* @var array
*/
protected $_random_keyword = array('RANDOM()', 'RANDOM()');
// --------------------------------------------------------------------
/**
* Class constructor
*
* Creates a DSN string to be used for db_connect() and db_pconnect()
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if ( ! empty($this->dsn))
{
return;
}
$this->dsn === '' OR $this->dsn = '';
if (strpos($this->hostname, '/') !== FALSE)
{
// If UNIX sockets are used, we shouldn't set a port
$this->port = '';
}
$this->hostname === '' OR $this->dsn = 'host='.$this->hostname.' ';
if ( ! empty($this->port) && ctype_digit($this->port))
{
$this->dsn .= 'port='.$this->port.' ';
}
if ($this->username !== '')
{
$this->dsn .= 'user='.$this->username.' ';
/* An empty password is valid!
*
* $db['password'] = NULL must be done in order to ignore it.
*/
$this->password === NULL OR $this->dsn .= "password='".$this->password."' ";
}
$this->database === '' OR $this->dsn .= 'dbname='.$this->database.' ';
/* We don't have these options as elements in our standard configuration
* array, but they might be set by parse_url() if the configuration was
* provided via string. Example:
*
* postgre://username:password@localhost:5432/database?connect_timeout=5&sslmode=1
*/
foreach (array('connect_timeout', 'options', 'sslmode', 'service') as $key)
{
if (isset($this->$key) && is_string($this->$key) && $this->$key !== '')
{
$this->dsn .= $key."='".$this->$key."' ";
}
}
$this->dsn = rtrim($this->dsn);
}
// --------------------------------------------------------------------
/**
* Database connection
*
* @param bool $persistent
* @return resource
*/
public function db_connect($persistent = FALSE)
{
$this->conn_id = ($persistent === TRUE)
? pg_pconnect($this->dsn)
: pg_connect($this->dsn);
if ($this->conn_id !== FALSE)
{
if ($persistent === TRUE
&& pg_connection_status($this->conn_id) === PGSQL_CONNECTION_BAD
&& pg_ping($this->conn_id) === FALSE
)
{
return FALSE;
}
empty($this->schema) OR $this->simple_query('SET search_path TO '.$this->schema.',public');
}
return $this->conn_id;
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @return void
*/
public function reconnect()
{
if (pg_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @param string $charset
* @return bool
*/
protected function _db_set_charset($charset)
{
return (pg_set_client_encoding($this->conn_id, $charset) === 0);
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
if ( ! $this->conn_id OR ($pg_version = pg_version($this->conn_id)) === FALSE)
{
return FALSE;
}
/* If PHP was compiled with PostgreSQL lib versions earlier
* than 7.4, pg_version() won't return the server version
* and so we'll have to fall back to running a query in
* order to get it.
*/
return (isset($pg_version['server']) && preg_match('#^(\d+\.\d+)#', $pg_version['server'], $match))
? $this->data_cache['version'] = $match[1]
: parent::version();
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return resource
*/
protected function _execute($sql)
{
return pg_query($this->conn_id, $sql);
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
return (bool) pg_query($this->conn_id, 'BEGIN');
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
return (bool) pg_query($this->conn_id, 'COMMIT');
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
return (bool) pg_query($this->conn_id, 'ROLLBACK');
}
// --------------------------------------------------------------------
/**
* Determines if a query is a "write" type.
*
* @param string An SQL query string
* @return bool
*/
public function is_write_type($sql)
{
if (preg_match('#^(INSERT|UPDATE).*RETURNING\s.+(\,\s?.+)*$#is', $sql))
{
return FALSE;
}
return parent::is_write_type($sql);
}
// --------------------------------------------------------------------
/**
* Platform-dependent string escape
*
* @param string
* @return string
*/
protected function _escape_str($str)
{
return pg_escape_string($this->conn_id, $str);
}
// --------------------------------------------------------------------
/**
* "Smart" Escape String
*
* Escapes data based on type
*
* @param string $str
* @return mixed
*/
public function escape($str)
{
if (is_php('5.4.4') && (is_string($str) OR (is_object($str) && method_exists($str, '__toString'))))
{
return pg_escape_literal($this->conn_id, $str);
}
elseif (is_bool($str))
{
return ($str) ? 'TRUE' : 'FALSE';
}
return parent::escape($str);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return pg_affected_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @return string
*/
public function insert_id()
{
$v = $this->version();
$table = (func_num_args() > 0) ? func_get_arg(0) : NULL;
$column = (func_num_args() > 1) ? func_get_arg(1) : NULL;
if ($table === NULL && $v >= '8.1')
{
$sql = 'SELECT LASTVAL() AS ins_id';
}
elseif ($table !== NULL)
{
if ($column !== NULL && $v >= '8.0')
{
$sql = 'SELECT pg_get_serial_sequence(\''.$table."', '".$column."') AS seq";
$query = $this->query($sql);
$query = $query->row();
$seq = $query->seq;
}
else
{
// seq_name passed in table parameter
$seq = $table;
}
$sql = 'SELECT CURRVAL(\''.$seq."') AS ins_id";
}
else
{
return pg_last_oid($this->result_id);
}
$query = $this->query($sql);
$query = $query->row();
return (int) $query->ins_id;
}
// --------------------------------------------------------------------
/**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SELECT "table_name" FROM "information_schema"."tables" WHERE "table_schema" = \''.$this->schema."'";
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql.' AND "table_name" LIKE \''
.$this->escape_like_str($this->dbprefix)."%' "
.sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
}
// --------------------------------------------------------------------
/**
* List column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SELECT "column_name"
FROM "information_schema"."columns"
WHERE LOWER("table_name") = '.$this->escape(strtolower($table));
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
$sql = 'SELECT "column_name", "data_type", "character_maximum_length", "numeric_precision", "column_default"
FROM "information_schema"."columns"
WHERE LOWER("table_name") = '.$this->escape(strtolower($table));
if (($query = $this->query($sql)) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->column_name;
$retval[$i]->type = $query[$i]->data_type;
$retval[$i]->max_length = ($query[$i]->character_maximum_length > 0) ? $query[$i]->character_maximum_length : $query[$i]->numeric_precision;
$retval[$i]->default = $query[$i]->column_default;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
return array('code' => '', 'message' => pg_last_error($this->conn_id));
}
// --------------------------------------------------------------------
/**
* ORDER BY
*
* @param string $orderby
* @param string $direction ASC, DESC or RANDOM
* @param bool $escape
* @return object
*/
public function order_by($orderby, $direction = '', $escape = NULL)
{
$direction = strtoupper(trim($direction));
if ($direction === 'RANDOM')
{
if ( ! is_float($orderby) && ctype_digit((string) $orderby))
{
$orderby = ($orderby > 1)
? (float) '0.'.$orderby
: (float) $orderby;
}
if (is_float($orderby))
{
$this->simple_query('SET SEED '.$orderby);
}
$orderby = $this->_random_keyword[0];
$direction = '';
$escape = FALSE;
}
return parent::order_by($orderby, $direction, $escape);
}
// --------------------------------------------------------------------
/**
* Update statement
*
* Generates a platform-specific update string from the supplied data
*
* @param string $table
* @param array $values
* @return string
*/
protected function _update($table, $values)
{
$this->qb_limit = FALSE;
$this->qb_orderby = array();
return parent::_update($table, $values);
}
// --------------------------------------------------------------------
/**
* Update_Batch statement
*
* Generates a platform-specific batch update string from the supplied data
*
* @param string $table Table name
* @param array $values Update data
* @param string $index WHERE key
* @return string
*/
protected function _update_batch($table, $values, $index)
{
$ids = array();
foreach ($values as $key => $val)
{
$ids[] = $val[$index]['value'];
foreach (array_keys($val) as $field)
{
if ($field !== $index)
{
$final[$val[$field]['field']][] = 'WHEN '.$val[$index]['value'].' THEN '.$val[$field]['value'];
}
}
}
$cases = '';
foreach ($final as $k => $v)
{
$cases .= $k.' = (CASE '.$val[$index]['field']."\n"
.implode("\n", $v)."\n"
.'ELSE '.$k.' END), ';
}
$this->where($val[$index]['field'].' IN('.implode(',', $ids).')', NULL, FALSE);
return 'UPDATE '.$table.' SET '.substr($cases, 0, -2).$this->_compile_wh('qb_where');
}
// --------------------------------------------------------------------
/**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data
*
* @param string $table
* @return string
*/
protected function _delete($table)
{
$this->qb_limit = FALSE;
return parent::_delete($table);
}
// --------------------------------------------------------------------
/**
* LIMIT
*
* Generates a platform-specific LIMIT clause
*
* @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
{
return $sql.' LIMIT '.$this->qb_limit.($this->qb_offset ? ' OFFSET '.$this->qb_offset : '');
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
pg_close($this->conn_id);
}
}

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