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/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];
}
}