| 1 |  |  | <?php | 
                            
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                | 2 |  |  | /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  You may not change or alter any portion of this comment or credits | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  of supporting developers from this source code or any supporting source code | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  which is considered copyrighted (c) material of the original comment or credit authors. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  This program is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use Xmf\Request; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use Xmf\IPAddress; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * CAPTCHA for Recaptcha mode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * @package     class | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * @subpackage  CAPTCHA | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  * @author      Grégory Mage | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * @copyright   2016 XOOPS Project (http://xoops.org) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * @license     GNU GPL 2 or later (http://www.gnu.org/licenses/gpl-2.0.html) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  * @link        http://xoops.org | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | defined('XOOPS_ROOT_PATH') || exit('Restricted access'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  * Class XoopsCaptchaRecaptcha2 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | class XoopsCaptchaRecaptcha2 extends XoopsCaptchaMethod | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * XoopsCaptchaRecaptcha2::isActive() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     public function isActive() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * XoopsCaptchaRecaptcha2::render() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     public function render() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |         $form = '<script src="https://www.google.com/recaptcha/api.js"></script>'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |         $form .= '<div class="form-group"><div class="g-recaptcha" data-sitekey="' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |             . $this->config['website_key'] . '"></div></div>'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         return $form; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |      * XoopsCaptchaRecaptcha2::verify() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * @param string|null $sessionName unused for recaptcha | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * @return bool | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 62 |  |  |      */ | 
            
                                                        
            
                                    
            
            
                | 63 |  |  |     public function verify($sessionName = null) | 
            
                                                        
            
                                    
            
            
                | 64 |  |  |     { | 
            
                                                        
            
                                    
            
            
                | 65 |  |  |         $isValid = false; | 
            
                                                        
            
                                    
            
            
                | 66 |  |  |         $recaptchaResponse = Request::getString('g-recaptcha-response', ''); | 
            
                                                        
            
                                    
            
            
                | 67 |  |  |         $recaptchaVerifyURL = 'https://www.google.com/recaptcha/api/siteverify?secret=' . $this->config['secret_key'] | 
            
                                                        
            
                                    
            
            
                | 68 |  |  |             . '&response=' .  $recaptchaResponse . '&remoteip=' . IPAddress::fromRequest()->asReadable(); | 
            
                                                        
            
                                    
            
            
                | 69 |  |  |         $usedCurl = false; | 
            
                                                        
            
                                    
            
            
                | 70 |  |  |         if (function_exists('curl_init') && false !== ($curlHandle  = curl_init())) { | 
            
                                                        
            
                                    
            
            
                | 71 |  |  |             curl_setopt($curlHandle, CURLOPT_URL, $recaptchaVerifyURL); | 
            
                                                        
            
                                    
            
            
                | 72 |  |  |             curl_setopt($curlHandle, CURLOPT_FAILONERROR, true); | 
            
                                                        
            
                                    
            
            
                | 73 |  |  |             curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, 1); | 
            
                                                        
            
                                    
            
            
                | 74 |  |  |             curl_setopt($curlHandle, CURLOPT_CONNECTTIMEOUT, 5); | 
            
                                                        
            
                                    
            
            
                | 75 |  |  |             $curlReturn = curl_exec($curlHandle); | 
            
                                                        
            
                                    
            
            
                | 76 |  |  |             if (false === $curlReturn) { | 
            
                                                        
            
                                    
            
            
                | 77 |  |  |                 trigger_error(curl_error($curlHandle)); | 
            
                                                        
            
                                    
            
            
                | 78 |  |  |             } else { | 
            
                                                        
            
                                    
            
            
                | 79 |  |  |                 $usedCurl = true; | 
            
                                                        
            
                                    
            
            
                | 80 |  |  |                 $recaptchaCheck = json_decode($curlReturn, true); | 
            
                                                        
            
                                    
            
            
                | 81 |  |  |             } | 
            
                                                        
            
                                    
            
            
                | 82 |  |  |             curl_close($curlHandle); | 
            
                                                        
            
                                    
            
            
                | 83 |  |  |         } | 
            
                                                        
            
                                    
            
            
                | 84 |  |  |         if (false === $usedCurl) { | 
            
                                                        
            
                                    
            
            
                | 85 |  |  |             $recaptchaCheck = file_get_contents($recaptchaVerifyURL); | 
            
                                                        
            
                                    
            
            
                | 86 |  |  |             $recaptchaCheck = json_decode($recaptchaCheck, true); | 
            
                                                        
            
                                    
            
            
                | 87 |  |  |         } | 
            
                                                        
            
                                    
            
            
                | 88 |  |  |         if (isset($recaptchaCheck['success']) && $recaptchaCheck['success'] === true) { | 
            
                                                        
            
                                    
            
            
                | 89 |  |  |             $isValid = true; | 
            
                                                        
            
                                    
            
            
                | 90 |  |  |         } else { | 
            
                                                        
            
                                    
            
            
                | 91 |  |  |             /** @var \XoopsCaptcha $captchaInstance */ | 
            
                                                        
            
                                    
            
            
                | 92 |  |  |             $captchaInstance = \XoopsCaptcha::getInstance(); | 
            
                                                        
            
                                    
            
            
                | 93 |  |  |             /** @var array $recaptchaCheck */ | 
            
                                                        
            
                                    
            
            
                | 94 |  |  |             foreach ($recaptchaCheck['error-codes'] as $msg) { | 
                            
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                | 95 |  |  |                 $captchaInstance->message[] = $msg; | 
            
                                                        
            
                                    
            
            
                | 96 |  |  |             } | 
            
                                                        
            
                                    
            
            
                | 97 |  |  |         } | 
            
                                                        
            
                                    
            
            
                | 98 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 99 |  |  |         return $isValid; | 
            
                                                        
            
                                    
            
            
                | 100 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 101 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 102 |  |  |  | 
            
                        
The PSR-1: Basic Coding Standard recommends that a file should either introduce new symbols, that is classes, functions, constants or similar, or have side effects. Side effects are anything that executes logic, like for example printing output, changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state of an application. It also promotes a cleaner style of programming and makes your code less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the PSR-1.