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							| @ -0,0 +1,379 @@ | ||||
| <?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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