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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; |
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/** |
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* reCAPTCHA client. |
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*/ |
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class ReCaptcha |
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{ |
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/** |
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* Version of this client library. |
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* @const string |
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*/ |
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const VERSION = 'php_1.1.2'; |
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/** |
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* Shared secret for the site. |
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* @var string |
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*/ |
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private $secret; |
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/** |
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* Method used to communicate with service. Defaults to POST request. |
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* @var RequestMethod |
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*/ |
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private $requestMethod; |
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/** |
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* Create a configured instance to use the reCAPTCHA service. |
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* |
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* @param string $secret shared secret between site and reCAPTCHA server. |
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* @param RequestMethod $requestMethod method used to send the request. Defaults to POST. |
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*/ |
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public function __construct($secret, RequestMethod $requestMethod = null) |
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{ |
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if (empty($secret)) { |
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throw new \RuntimeException('No secret provided'); |
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} |
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if (!is_string($secret)) { |
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throw new \RuntimeException('The provided secret must be a string'); |
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} |
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$this->secret = $secret; |
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if (!is_null($requestMethod)) { |
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$this->requestMethod = $requestMethod; |
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} else { |
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$this->requestMethod = new RequestMethod\Post(); |
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} |
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} |
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/** |
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* Calls the reCAPTCHA siteverify API to verify whether the user passes |
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* CAPTCHA test. |
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* |
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* @param string $response The value of 'g-recaptcha-response' in the submitted form. |
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* @param string $remoteIp The end user's IP address. |
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* @return Response Response from the service. |
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*/ |
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public function verify($response, $remoteIp = null) |
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{ |
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// Discard empty solution submissions |
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if (empty($response)) { |
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$recaptchaResponse = new Response(false, array('missing-input-response')); |
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return $recaptchaResponse; |
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} |
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$params = new RequestParameters($this->secret, $response, $remoteIp, self::VERSION); |
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$rawResponse = $this->requestMethod->submit($params); |
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return Response::fromJson($rawResponse); |
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} |
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} |
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SimpleMachines /
SMF2.1
