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Moved to PHP folder

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William Mantly
2019-06-30 22:04:19 -04:00
parent 6822968785
commit b198cd212f
433 changed files with 0 additions and 0 deletions
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254
php/system/core/compat/hash.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 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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php/system/core/compat/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>

149
php/system/core/compat/mbstring.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 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/system/core/compat/password.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 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);
}
}

182
php/system/core/compat/standard.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 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);
}
}