mirror of https://github.com/BOINC/boinc.git
71 lines
2.7 KiB
PHP
71 lines
2.7 KiB
PHP
<?php
|
|
/**
|
|
* This is a PHP library that handles calling reCAPTCHA.
|
|
*
|
|
* @copyright Copyright (c) 2015, Google Inc.
|
|
* @link http://www.google.com/recaptcha
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
namespace ReCaptcha\RequestMethod;
|
|
|
|
use ReCaptcha\RequestMethod;
|
|
use ReCaptcha\RequestParameters;
|
|
|
|
/**
|
|
* Sends POST requests to the reCAPTCHA service.
|
|
*/
|
|
class Post implements RequestMethod
|
|
{
|
|
/**
|
|
* URL to which requests are POSTed.
|
|
* @const string
|
|
*/
|
|
const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';
|
|
|
|
/**
|
|
* Submit the POST request with the specified parameters.
|
|
*
|
|
* @param RequestParameters $params Request parameters
|
|
* @return string Body of the reCAPTCHA response
|
|
*/
|
|
public function submit(RequestParameters $params)
|
|
{
|
|
/**
|
|
* PHP 5.6.0 changed the way you specify the peer name for SSL context options.
|
|
* Using "CN_name" will still work, but it will raise deprecated errors.
|
|
*/
|
|
$peer_key = version_compare(PHP_VERSION, '5.6.0', '<') ? 'CN_name' : 'peer_name';
|
|
$options = array(
|
|
'http' => array(
|
|
'header' => "Content-type: application/x-www-form-urlencoded\r\n",
|
|
'method' => 'POST',
|
|
'content' => $params->toQueryString(),
|
|
// Force the peer to validate (not needed in 5.6.0+, but still works
|
|
'verify_peer' => true,
|
|
// Force the peer validation to use www.google.com
|
|
$peer_key => 'www.google.com',
|
|
),
|
|
);
|
|
$context = stream_context_create($options);
|
|
return file_get_contents(self::SITE_VERIFY_URL, false, $context);
|
|
}
|
|
}
|