|
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
|
|
|
); |
|
67
|
|
|
$context = stream_context_create($options); |
|
68
|
|
|
return file_get_contents(self::SITE_VERIFY_URL, false, $context); |
|
69
|
|
|
} |
|
70
|
|
|
} |
|
71
|
|
|
|
SimpleMachines /
SMF2.1
