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File: system/helpers/path_helper.php

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File: system/helpers/path_helper.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: PHP Google Authenticator with CodeIgniter
2fa Google Authenticator implementation
Author: By
Last change:
Date: 1 year ago
Size: 2,885 bytes
 

 

Contents

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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');

/**
 * CodeIgniter Path Helpers
 *
 * @package CodeIgniter
 * @subpackage Helpers
 * @category Helpers
 * @author EllisLab Dev Team
 * @link https://codeigniter.com/user_guide/helpers/path_helper.html
 */

// ------------------------------------------------------------------------

if ( ! function_exists('set_realpath'))
{
   
/**
     * Set Realpath
     *
     * @param string
     * @param bool checks to see if the path exists
     * @return string
     */
   
function set_realpath($path, $check_existance = FALSE)
    {
       
// Security check to make sure the path is NOT a URL. No remote file inclusion!
       
if (preg_match('#^(http:\/\/|https:\/\/|www\.|ftp|php:\/\/)#i', $path) OR filter_var($path, FILTER_VALIDATE_IP) === $path)
        {
           
show_error('The path you submitted must be a local server path, not a URL');
        }

       
// Resolve the path
       
if (realpath($path) !== FALSE)
        {
           
$path = realpath($path);
        }
        elseif (
$check_existance && ! is_dir($path) && ! is_file($path))
        {
           
show_error('Not a valid path: '.$path);
        }

       
// Add a trailing slash, if this is a directory
       
return is_dir($path) ? rtrim($path, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR : $path;
    }
}