Initial commit
This commit is contained in:
@ -0,0 +1,74 @@
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<?php
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/**
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* This is a PHP library that handles calling reCAPTCHA.
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*
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* @copyright Copyright (c) 2015, Google Inc.
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* @link http://www.google.com/recaptcha
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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namespace ReCaptcha\RequestMethod;
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/**
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* Convenience wrapper around the cURL functions to allow mocking.
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*/
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class Curl
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{
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/**
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* @see http://php.net/curl_init
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* @param string $url
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* @return resource cURL handle
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*/
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public function init($url = null)
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{
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return curl_init($url);
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}
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/**
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* @see http://php.net/curl_setopt_array
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* @param resource $ch
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* @param array $options
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* @return bool
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*/
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public function setoptArray($ch, array $options)
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{
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return curl_setopt_array($ch, $options);
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}
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/**
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* @see http://php.net/curl_exec
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* @param resource $ch
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* @return mixed
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*/
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public function exec($ch)
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{
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return curl_exec($ch);
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}
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/**
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* @see http://php.net/curl_close
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* @param resource $ch
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*/
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public function close($ch)
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{
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curl_close($ch);
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}
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}
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@ -0,0 +1,88 @@
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<?php
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/**
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* This is a PHP library that handles calling reCAPTCHA.
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*
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* @copyright Copyright (c) 2015, Google Inc.
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* @link http://www.google.com/recaptcha
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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namespace ReCaptcha\RequestMethod;
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use ReCaptcha\RequestMethod;
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use ReCaptcha\RequestParameters;
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/**
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* Sends cURL request to the reCAPTCHA service.
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* Note: this requires the cURL extension to be enabled in PHP
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* @see http://php.net/manual/en/book.curl.php
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*/
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class CurlPost implements RequestMethod
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{
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/**
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* URL to which requests are sent via cURL.
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* @const string
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*/
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const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';
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/**
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* Curl connection to the reCAPTCHA service
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* @var Curl
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*/
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private $curl;
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public function __construct(Curl $curl = null)
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{
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if (!is_null($curl)) {
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$this->curl = $curl;
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} else {
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$this->curl = new Curl();
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}
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}
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/**
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* Submit the cURL request with the specified parameters.
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*
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* @param RequestParameters $params Request parameters
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* @return string Body of the reCAPTCHA response
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*/
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public function submit(RequestParameters $params)
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{
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$handle = $this->curl->init(self::SITE_VERIFY_URL);
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$options = array(
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CURLOPT_POST => true,
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CURLOPT_POSTFIELDS => $params->toQueryString(),
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CURLOPT_HTTPHEADER => array(
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'Content-Type: application/x-www-form-urlencoded'
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),
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CURLINFO_HEADER_OUT => false,
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CURLOPT_HEADER => false,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_SSL_VERIFYPEER => true
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);
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$this->curl->setoptArray($handle, $options);
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$response = $this->curl->exec($handle);
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$this->curl->close($handle);
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return $response;
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}
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}
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@ -0,0 +1,70 @@
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<?php
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/**
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* This is a PHP library that handles calling reCAPTCHA.
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*
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* @copyright Copyright (c) 2015, Google Inc.
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* @link http://www.google.com/recaptcha
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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namespace ReCaptcha\RequestMethod;
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use ReCaptcha\RequestMethod;
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use ReCaptcha\RequestParameters;
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/**
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* Sends POST requests to the reCAPTCHA service.
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*/
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class Post implements RequestMethod
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{
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/**
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* URL to which requests are POSTed.
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* @const string
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*/
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const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';
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/**
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* Submit the POST request with the specified parameters.
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*
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* @param RequestParameters $params Request parameters
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* @return string Body of the reCAPTCHA response
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*/
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public function submit(RequestParameters $params)
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{
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/**
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* PHP 5.6.0 changed the way you specify the peer name for SSL context options.
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* Using "CN_name" will still work, but it will raise deprecated errors.
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*/
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$peer_key = version_compare(PHP_VERSION, '5.6.0', '<') ? 'CN_name' : 'peer_name';
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$options = array(
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'http' => array(
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'header' => "Content-type: application/x-www-form-urlencoded\r\n",
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'method' => 'POST',
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'content' => $params->toQueryString(),
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// Force the peer to validate (not needed in 5.6.0+, but still works
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'verify_peer' => true,
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// Force the peer validation to use www.google.com
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$peer_key => 'www.google.com',
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),
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);
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$context = stream_context_create($options);
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return file_get_contents(self::SITE_VERIFY_URL, false, $context);
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}
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}
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@ -0,0 +1,105 @@
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<?php
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/**
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* This is a PHP library that handles calling reCAPTCHA.
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*
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* @copyright Copyright (c) 2015, Google Inc.
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* @link http://www.google.com/recaptcha
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
|
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* in the Software without restriction, including without limitation the rights
|
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
|
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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namespace ReCaptcha\RequestMethod;
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/**
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* Convenience wrapper around native socket and file functions to allow for
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* mocking.
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*/
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class Socket
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{
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private $handle = null;
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/**
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* fsockopen
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*
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* @see http://php.net/fsockopen
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* @param string $hostname
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* @param int $port
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* @param int $errno
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* @param string $errstr
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* @param float $timeout
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* @return resource
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*/
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public function fsockopen($hostname, $port = -1, &$errno = 0, &$errstr = '', $timeout = null)
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{
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$this->handle = fsockopen($hostname, $port, $errno, $errstr, (is_null($timeout) ? ini_get("default_socket_timeout") : $timeout));
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if ($this->handle != false && $errno === 0 && $errstr === '') {
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return $this->handle;
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} else {
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return false;
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}
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}
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/**
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* fwrite
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*
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* @see http://php.net/fwrite
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* @param string $string
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* @param int $length
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* @return int | bool
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*/
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public function fwrite($string, $length = null)
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{
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return fwrite($this->handle, $string, (is_null($length) ? strlen($string) : $length));
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}
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/**
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* fgets
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*
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* @see http://php.net/fgets
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* @param int $length
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* @return string
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*/
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public function fgets($length = null)
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{
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return fgets($this->handle, $length);
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}
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/**
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* feof
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*
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* @see http://php.net/feof
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* @return bool
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*/
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public function feof()
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{
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return feof($this->handle);
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}
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/**
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* fclose
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*
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* @see http://php.net/fclose
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* @return bool
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*/
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public function fclose()
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{
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return fclose($this->handle);
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}
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}
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@ -0,0 +1,121 @@
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<?php
|
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/**
|
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* This is a PHP library that handles calling reCAPTCHA.
|
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*
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* @copyright Copyright (c) 2015, Google Inc.
|
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* @link http://www.google.com/recaptcha
|
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*
|
||||
* 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;
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|
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use ReCaptcha\RequestMethod;
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use ReCaptcha\RequestParameters;
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/**
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* Sends a POST request to the reCAPTCHA service, but makes use of fsockopen()
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* instead of get_file_contents(). This is to account for people who may be on
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* servers where allow_furl_open is disabled.
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*/
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class SocketPost implements RequestMethod
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{
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/**
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* reCAPTCHA service host.
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* @const string
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*/
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const RECAPTCHA_HOST = 'www.google.com';
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/**
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* @const string reCAPTCHA service path
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*/
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const SITE_VERIFY_PATH = '/recaptcha/api/siteverify';
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/**
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* @const string Bad request error
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*/
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const BAD_REQUEST = '{"success": false, "error-codes": ["invalid-request"]}';
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/**
|
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* @const string Bad response error
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*/
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const BAD_RESPONSE = '{"success": false, "error-codes": ["invalid-response"]}';
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/**
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* Socket to the reCAPTCHA service
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* @var Socket
|
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*/
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private $socket;
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/**
|
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* Constructor
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||||
*
|
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* @param \ReCaptcha\RequestMethod\Socket $socket optional socket, injectable for testing
|
||||
*/
|
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public function __construct(Socket $socket = null)
|
||||
{
|
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if (!is_null($socket)) {
|
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$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
|
||||
*/
|
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public function submit(RequestParameters $params)
|
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{
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$errno = 0;
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$errstr = '';
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if (false === $this->socket->fsockopen('ssl://' . self::RECAPTCHA_HOST, 443, $errno, $errstr, 30)) {
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return self::BAD_REQUEST;
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}
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$content = $params->toQueryString();
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|
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$request = "POST " . self::SITE_VERIFY_PATH . " HTTP/1.1\r\n";
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$request .= "Host: " . self::RECAPTCHA_HOST . "\r\n";
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$request .= "Content-Type: application/x-www-form-urlencoded\r\n";
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$request .= "Content-length: " . strlen($content) . "\r\n";
|
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$request .= "Connection: close\r\n\r\n";
|
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$request .= $content . "\r\n\r\n";
|
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|
||||
$this->socket->fwrite($request);
|
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$response = '';
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||||
|
||||
while (!$this->socket->feof()) {
|
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$response .= $this->socket->fgets(4096);
|
||||
}
|
||||
|
||||
$this->socket->fclose();
|
||||
|
||||
if (0 !== strpos($response, 'HTTP/1.1 200 OK')) {
|
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return self::BAD_RESPONSE;
|
||||
}
|
||||
|
||||
$parts = preg_split("#\n\s*\n#Uis", $response);
|
||||
|
||||
return $parts[1];
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user