| 1 | <?php
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| 2 |
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| 3 | /** This file is part of KCFinder project
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| 4 | *
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| 5 | * @desc Input class for GET, POST and COOKIE requests
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| 6 | * @package KCFinder
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| 7 | * @version 2.51
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| 8 | * @author Pavel Tzonkov <pavelc@users.sourceforge.net>
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| 9 | * @copyright 2010, 2011 KCFinder Project
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| 10 | * @license http://www.opensource.org/licenses/gpl-2.0.php GPLv2
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| 11 | * @license http://www.opensource.org/licenses/lgpl-2.1.php LGPLv2
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| 12 | * @link http://kcfinder.sunhater.com
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| 13 | */
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| 14 |
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| 15 | class input {
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| 16 |
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| 17 | /** Filtered $_GET array
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| 18 | * @var array */
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| 19 | public $get;
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| 20 |
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| 21 | /** Filtered $_POST array
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| 22 | * @var array */
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| 23 | public $post;
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| 24 |
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| 25 | /** Filtered $_COOKIE array
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| 26 | * @var array */
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| 27 | public $cookie;
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| 28 |
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| 29 | /** magic_quetes_gpc ini setting flag
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| 30 | * @var bool */
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| 31 | protected $magic_quotes_gpc;
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| 32 |
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| 33 | /** magic_quetes_sybase ini setting flag
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| 34 | * @var bool */
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| 35 | protected $magic_quotes_sybase;
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| 36 |
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| 37 | public function __construct() {
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| 38 | $this->magic_quotes_gpc = function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc();
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| 39 | $this->magic_quotes_sybase = ini_get('magic_quotes_sybase');
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| 40 | $this->magic_quotes_sybase = $this->magic_quotes_sybase
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| 41 | ? !in_array(strtolower(trim($this->magic_quotes_sybase)),
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| 42 | array('off', 'no', 'false'))
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| 43 | : false;
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| 44 | $_GET = $this->filter($_GET);
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| 45 | $_POST = $this->filter($_POST);
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| 46 | $_COOKIE = $this->filter($_COOKIE);
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| 47 | $this->get = &$_GET;
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| 48 | $this->post = &$_POST;
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| 49 | $this->cookie = &$_COOKIE;
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| 50 | }
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| 51 |
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| 52 | /** Magic method to get non-public properties like public.
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| 53 | * @param string $property
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| 54 | * @return mixed */
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| 55 |
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| 56 | public function __get($property) {
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| 57 | return property_exists($this, $property) ? $this->$property : null;
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| 58 | }
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| 59 |
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| 60 | /** Filter the given subject. If magic_quotes_gpc and/or magic_quotes_sybase
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| 61 | * ini settings are turned on, the method will remove backslashes from some
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| 62 | * escaped characters. If the subject is an array, elements with non-
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| 63 | * alphanumeric keys will be removed
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| 64 | * @param mixed $subject
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| 65 | * @return mixed */
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| 66 |
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| 67 | public function filter($subject) {
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| 68 | if ($this->magic_quotes_gpc) {
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| 69 | if (is_array($subject)) {
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| 70 | foreach ($subject as $key => $val)
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| 71 | if (!preg_match('/^[a-z\d_]+$/si', $key))
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| 72 | unset($subject[$key]);
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| 73 | else
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| 74 | $subject[$key] = $this->filter($val);
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| 75 | } elseif (is_scalar($subject))
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| 76 | $subject = $this->magic_quotes_sybase
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| 77 | ? str_replace("\\'", "'", $subject)
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| 78 | : stripslashes($subject);
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| 79 |
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| 80 | }
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| 81 |
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| 82 | return $subject;
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| 83 | }
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| 84 | }
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| 85 |
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| 86 | ?> |
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