Post.php
76 lines
| 1 | <?php |
| 2 | /** |
| 3 | * This is a PHP library that handles calling reCAPTCHA. |
| 4 | * |
| 5 | * @copyright Copyright (c) 2015, Google Inc. |
| 6 | * @link http://www.google.com/recaptcha |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 9 | * of this software and associated documentation files (the "Software"), to deal |
| 10 | * in the Software without restriction, including without limitation the rights |
| 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 12 | * copies of the Software, and to permit persons to whom the Software is |
| 13 | * furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 24 | * THE SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | namespace ReCaptcha\RequestMethod; |
| 28 | |
| 29 | use ReCaptcha\RequestMethod; |
| 30 | use ReCaptcha\RequestParameters; |
| 31 | |
| 32 | /** |
| 33 | * Sends POST requests to the reCAPTCHA service. |
| 34 | */ |
| 35 | class Post implements RequestMethod |
| 36 | { |
| 37 | /** |
| 38 | * URL to which requests are POSTed. |
| 39 | * @const string |
| 40 | */ |
| 41 | const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify'; |
| 42 | |
| 43 | /** |
| 44 | * Submit the POST request with the specified parameters. |
| 45 | * |
| 46 | * @param RequestParameters $params Request parameters |
| 47 | * @return string Body of the reCAPTCHA response |
| 48 | */ |
| 49 | public function submit(RequestParameters $params) |
| 50 | { |
| 51 | /** |
| 52 | * PHP 5.6.0 changed the way you specify the peer name for SSL context options. |
| 53 | * Using "CN_name" will still work, but it will raise deprecated errors. |
| 54 | */ |
| 55 | $peer_key = version_compare(PHP_VERSION, '5.6.0', '<') ? 'CN_name' : 'peer_name'; |
| 56 | $options = array( |
| 57 | 'http' => array( |
| 58 | 'header' => "Content-type: application/x-www-form-urlencoded\r\n", |
| 59 | 'method' => 'POST', |
| 60 | 'content' => $params->toQueryString(), |
| 61 | // Force the peer to validate (not needed in 5.6.0+, but still works |
| 62 | 'verify_peer' => true, |
| 63 | // Force the peer validation to use www.google.com |
| 64 | $peer_key => 'www.google.com', |
| 65 | ), |
| 66 | 'ssl' => array( |
| 67 | 'verify_peer' => false, |
| 68 | 'verify_peer_name' => false, |
| 69 | 'allow_self_signed' => true |
| 70 | ) |
| 71 | ); |
| 72 | $context = stream_context_create($options); |
| 73 | return file_get_contents(self::SITE_VERIFY_URL, false, $context); |
| 74 | } |
| 75 | } |
| 76 |