/trunk/includes/recaptcha/src/ReCaptcha/RequestMethod/Curl.php |
---|
0,0 → 1,74 |
<?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; |
/** |
* Convenience wrapper around the cURL functions to allow mocking. |
*/ |
class Curl |
{ |
/** |
* @see http://php.net/curl_init |
* @param string $url |
* @return resource cURL handle |
*/ |
public function init($url = null) |
{ |
return curl_init($url); |
} |
/** |
* @see http://php.net/curl_setopt_array |
* @param resource $ch |
* @param array $options |
* @return bool |
*/ |
public function setoptArray($ch, array $options) |
{ |
return curl_setopt_array($ch, $options); |
} |
/** |
* @see http://php.net/curl_exec |
* @param resource $ch |
* @return mixed |
*/ |
public function exec($ch) |
{ |
return curl_exec($ch); |
} |
/** |
* @see http://php.net/curl_close |
* @param resource $ch |
*/ |
public function close($ch) |
{ |
curl_close($ch); |
} |
} |
/trunk/includes/recaptcha/src/ReCaptcha/RequestMethod/CurlPost.php |
---|
0,0 → 1,88 |
<?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 cURL request to the reCAPTCHA service. |
* Note: this requires the cURL extension to be enabled in PHP |
* @see http://php.net/manual/en/book.curl.php |
*/ |
class CurlPost implements RequestMethod |
{ |
/** |
* URL to which requests are sent via cURL. |
* @const string |
*/ |
const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify'; |
/** |
* Curl connection to the reCAPTCHA service |
* @var Curl |
*/ |
private $curl; |
public function __construct(Curl $curl = null) |
{ |
if (!is_null($curl)) { |
$this->curl = $curl; |
} else { |
$this->curl = new Curl(); |
} |
} |
/** |
* Submit the cURL request with the specified parameters. |
* |
* @param RequestParameters $params Request parameters |
* @return string Body of the reCAPTCHA response |
*/ |
public function submit(RequestParameters $params) |
{ |
$handle = $this->curl->init(self::SITE_VERIFY_URL); |
$options = array( |
CURLOPT_POST => true, |
CURLOPT_POSTFIELDS => $params->toQueryString(), |
CURLOPT_HTTPHEADER => array( |
'Content-Type: application/x-www-form-urlencoded' |
), |
CURLINFO_HEADER_OUT => false, |
CURLOPT_HEADER => false, |
CURLOPT_RETURNTRANSFER => true, |
CURLOPT_SSL_VERIFYPEER => true |
); |
$this->curl->setoptArray($handle, $options); |
$response = $this->curl->exec($handle); |
$this->curl->close($handle); |
return $response; |
} |
} |
/trunk/includes/recaptcha/src/ReCaptcha/RequestMethod/Post.php |
---|
0,0 → 1,70 |
<?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); |
} |
} |
/trunk/includes/recaptcha/src/ReCaptcha/RequestMethod/Socket.php |
---|
0,0 → 1,104 |
<?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; |
/** |
* Convenience wrapper around native socket and file functions to allow for |
* mocking. |
*/ |
class Socket |
{ |
private $handle = null; |
/** |
* fsockopen |
* |
* @see http://php.net/fsockopen |
* @param string $hostname |
* @param int $port |
* @param int $errno |
* @param string $errstr |
* @param float $timeout |
* @return resource |
*/ |
public function fsockopen($hostname, $port = -1, &$errno = 0, &$errstr = '', $timeout = null) |
{ |
$this->handle = fsockopen($hostname, $port, $errno, $errstr, (is_null($timeout) ? ini_get("default_socket_timeout") : $timeout)); |
if ($this->handle != false && $errno === 0 && $errstr === '') { |
return $this->handle; |
} |
return false; |
} |
/** |
* fwrite |
* |
* @see http://php.net/fwrite |
* @param string $string |
* @param int $length |
* @return int | bool |
*/ |
public function fwrite($string, $length = null) |
{ |
return fwrite($this->handle, $string, (is_null($length) ? strlen($string) : $length)); |
} |
/** |
* fgets |
* |
* @see http://php.net/fgets |
* @param int $length |
* @return string |
*/ |
public function fgets($length = null) |
{ |
return fgets($this->handle, $length); |
} |
/** |
* feof |
* |
* @see http://php.net/feof |
* @return bool |
*/ |
public function feof() |
{ |
return feof($this->handle); |
} |
/** |
* fclose |
* |
* @see http://php.net/fclose |
* @return bool |
*/ |
public function fclose() |
{ |
return fclose($this->handle); |
} |
} |
/trunk/includes/recaptcha/src/ReCaptcha/RequestMethod/SocketPost.php |
---|
0,0 → 1,121 |
<?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 a POST request to the reCAPTCHA service, but makes use of fsockopen() |
* instead of get_file_contents(). This is to account for people who may be on |
* servers where allow_url_open is disabled. |
*/ |
class SocketPost implements RequestMethod |
{ |
/** |
* reCAPTCHA service host. |
* @const string |
*/ |
const RECAPTCHA_HOST = 'www.google.com'; |
/** |
* @const string reCAPTCHA service path |
*/ |
const SITE_VERIFY_PATH = '/recaptcha/api/siteverify'; |
/** |
* @const string Bad request error |
*/ |
const BAD_REQUEST = '{"success": false, "error-codes": ["invalid-request"]}'; |
/** |
* @const string Bad response error |
*/ |
const BAD_RESPONSE = '{"success": false, "error-codes": ["invalid-response"]}'; |
/** |
* Socket to the reCAPTCHA service |
* @var Socket |
*/ |
private $socket; |
/** |
* Constructor |
* |
* @param \ReCaptcha\RequestMethod\Socket $socket optional socket, injectable for testing |
*/ |
public function __construct(Socket $socket = null) |
{ |
if (!is_null($socket)) { |
$this->socket = $socket; |
} else { |
$this->socket = new Socket(); |
} |
} |
/** |
* 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) |
{ |
$errno = 0; |
$errstr = ''; |
if (false === $this->socket->fsockopen('ssl://' . self::RECAPTCHA_HOST, 443, $errno, $errstr, 30)) { |
return self::BAD_REQUEST; |
} |
$content = $params->toQueryString(); |
$request = "POST " . self::SITE_VERIFY_PATH . " HTTP/1.1\r\n"; |
$request .= "Host: " . self::RECAPTCHA_HOST . "\r\n"; |
$request .= "Content-Type: application/x-www-form-urlencoded\r\n"; |
$request .= "Content-length: " . strlen($content) . "\r\n"; |
$request .= "Connection: close\r\n\r\n"; |
$request .= $content . "\r\n\r\n"; |
$this->socket->fwrite($request); |
$response = ''; |
while (!$this->socket->feof()) { |
$response .= $this->socket->fgets(4096); |
} |
$this->socket->fclose(); |
if (0 !== strpos($response, 'HTTP/1.1 200 OK')) { |
return self::BAD_RESPONSE; |
} |
$parts = preg_split("#\n\s*\n#Uis", $response); |
return $parts[1]; |
} |
} |