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82 lines
2.8 KiB
82 lines
2.8 KiB
<?php |
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/** |
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* CodeIgniter |
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* |
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* An open source application development framework for PHP |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2014 - 2016, British Columbia Institute of Technology |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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* |
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* @package CodeIgniter |
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* @author EllisLab Dev Team |
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) |
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* @copyright Copyright (c) 2014 - 2016, British Columbia Institute of Technology (http://bcit.ca/) |
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* @license http://opensource.org/licenses/MIT MIT License |
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* @link https://codeigniter.com |
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* @since Version 1.0.0 |
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* @filesource |
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*/ |
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defined('BASEPATH') OR exit('No direct script access allowed'); |
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/** |
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* CodeIgniter Path Helpers |
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* |
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* @package CodeIgniter |
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* @subpackage Helpers |
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* @category Helpers |
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* @author EllisLab Dev Team |
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* @link https://codeigniter.com/user_guide/helpers/path_helper.html |
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*/ |
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// ------------------------------------------------------------------------ |
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if ( ! function_exists('set_realpath')) |
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{ |
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/** |
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* Set Realpath |
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* |
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* @param string |
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* @param bool checks to see if the path exists |
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* @return string |
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*/ |
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function set_realpath($path, $check_existance = FALSE) |
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{ |
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// Security check to make sure the path is NOT a URL. No remote file inclusion! |
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if (preg_match('#^(http:\/\/|https:\/\/|www\.|ftp)#i', $path) OR filter_var($path, FILTER_VALIDATE_IP) === $path ) |
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{ |
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show_error('The path you submitted must be a local server path, not a URL'); |
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} |
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// Resolve the path |
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if (realpath($path) !== FALSE) |
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{ |
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$path = realpath($path); |
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} |
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elseif ($check_existance && ! is_dir($path) && ! is_file($path)) |
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{ |
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show_error('Not a valid path: '.$path); |
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} |
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// Add a trailing slash, if this is a directory |
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return is_dir($path) ? rtrim($path, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR : $path; |
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} |
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}
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