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1 | <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
2 | /** | |
3 | * CodeIgniter | |
4 | * | |
5 | * An open source application development framework for PHP 5.1.6 or newer | |
6 | * | |
7 | * @package CodeIgniter | |
8 | * @author ExpressionEngine Dev Team | |
9 | * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. | |
10 | * @license http://codeigniter.com/user_guide/license.html | |
11 | * @link http://codeigniter.com | |
12 | * @since Version 1.0 | |
13 | * @filesource | |
14 | */ | |
15 | ||
16 | // ------------------------------------------------------------------------ | |
17 | ||
18 | /** | |
19 | * CodeIgniter Path Helpers | |
20 | * | |
21 | * @package CodeIgniter | |
22 | * @subpackage Helpers | |
23 | * @category Helpers | |
24 | * @author ExpressionEngine Dev Team | |
25 | * @link http://codeigniter.com/user_guide/helpers/xml_helper.html | |
26 | */ | |
27 | ||
28 | // ------------------------------------------------------------------------ | |
29 | ||
30 | /** | |
31 | * Set Realpath | |
32 | * | |
33 | * @access public | |
34 | * @param string | |
35 | * @param bool checks to see if the path exists | |
36 | * @return string | |
37 | */ | |
38 | if ( ! function_exists('set_realpath')) | |
39 | { | |
40 | function set_realpath($path, $check_existance = FALSE) | |
41 | { | |
42 | // Security check to make sure the path is NOT a URL. No remote file inclusion! | |
43 | if (preg_match("#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i", $path)) | |
44 | { | |
45 | show_error('The path you submitted must be a local server path, not a URL'); | |
46 | } | |
47 | ||
48 | // Resolve the path | |
49 | if (function_exists('realpath') AND @realpath($path) !== FALSE) | |
50 | { | |
51 | $path = realpath($path).'/'; | |
52 | } | |
53 | ||
54 | // Add a trailing slash | |
55 | $path = preg_replace("#([^/])/*$#", "\\1/", $path); | |
56 | ||
57 | // Make sure the path exists | |
58 | if ($check_existance == TRUE) | |
59 | { | |
60 | if ( ! is_dir($path)) | |
61 | { | |
62 | show_error('Not a valid path: '.$path); | |
63 | } | |
64 | } | |
65 | ||
66 | return $path; | |
67 | } | |
68 | } | |
69 | ||
70 | ||
71 | /* End of file path_helper.php */ | |
72 | /* Location: ./system/helpers/path_helper.php */ |