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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
39de6fd5 | 4 | | CiviCRM version 4.6 | |
6a488035 | 5 | +--------------------------------------------------------------------+ |
06b69b18 | 6 | | Copyright CiviCRM LLC (c) 2004-2014 | |
6a488035 TO |
7 | +--------------------------------------------------------------------+ |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
10 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
11 | | under the terms of the GNU Affero General Public License | | |
12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
13 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
22 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
23 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
25 | +--------------------------------------------------------------------+ | |
d25dd0ee | 26 | */ |
6a488035 TO |
27 | |
28 | /** | |
29 | * | |
30 | * @package CRM | |
06b69b18 | 31 | * @copyright CiviCRM LLC (c) 2004-2014 |
6a488035 TO |
32 | * $Id$ |
33 | * | |
34 | */ | |
35 | class CRM_Utils_ReCAPTCHA { | |
36 | ||
37 | protected $_captcha = NULL; | |
38 | ||
39 | protected $_name = NULL; | |
40 | ||
41 | protected $_url = NULL; | |
42 | ||
43 | protected $_phrase = NULL; | |
44 | ||
45 | /** | |
46 | * We only need one instance of this object. So we use the singleton | |
47 | * pattern and cache the instance in this variable | |
48 | * | |
49 | * @var object | |
6a488035 TO |
50 | */ |
51 | static private $_singleton = NULL; | |
52 | ||
53 | /** | |
fe482240 | 54 | * Singleton function used to manage this object. |
6a488035 | 55 | * |
6a488035 TO |
56 | * |
57 | * @return object | |
6a488035 | 58 | */ |
00be9182 | 59 | public static function &singleton() { |
6a488035 TO |
60 | if (self::$_singleton === NULL) { |
61 | self::$_singleton = new CRM_Utils_ReCAPTCHA(); | |
62 | } | |
63 | return self::$_singleton; | |
64 | } | |
65 | ||
5bc392e6 | 66 | /** |
5bc392e6 | 67 | */ |
e7292422 TO |
68 | public function __construct() { |
69 | } | |
6a488035 TO |
70 | |
71 | /** | |
fe482240 | 72 | * Add element to form. |
6a488035 | 73 | */ |
00be9182 | 74 | public static function add(&$form) { |
353ffa53 | 75 | $error = NULL; |
6a488035 TO |
76 | $config = CRM_Core_Config::singleton(); |
77 | $useSSL = FALSE; | |
481a74f4 | 78 | if (!function_exists('recaptcha_get_html')) { |
14e15f46 | 79 | require_once 'packages/recaptcha/recaptchalib.php'; |
d2485799 | 80 | } |
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81 | |
82 | // See if we are using SSL | |
83 | if (CRM_Utils_System::isSSL()) { | |
84 | $useSSL = TRUE; | |
85 | } | |
86 | $html = recaptcha_get_html($config->recaptchaPublicKey, $error, $useSSL); | |
87 | ||
88 | $form->assign('recaptchaHTML', $html); | |
89 | $form->assign('recaptchaOptions', $config->recaptchaOptions); | |
90 | $form->add( | |
91 | 'text', | |
3c275f0d WA |
92 | 'g-recaptcha-response', |
93 | 'reCaptcha', | |
6a488035 TO |
94 | NULL, |
95 | TRUE | |
96 | ); | |
6a488035 | 97 | $form->registerRule('recaptcha', 'callback', 'validate', 'CRM_Utils_ReCAPTCHA'); |
3c275f0d WA |
98 | if ($form->isSubmitted() && empty($form->_submitValues['g-recaptcha-response'])) { |
99 | $form->setElementError( | |
100 | 'g-recaptcha-response', | |
101 | ts('Input text must match the phrase in the image. Please review the image and re-enter matching text.') | |
102 | ); | |
103 | } | |
6a488035 | 104 | } |
96025800 | 105 | |
6a488035 | 106 | } |