/** * 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; /** * reCAPTCHA client. */ class ReCaptcha { /** * Version of this client library. * @const string */ const VERSION = 'php_1.1.2'; /** * Shared secret for the site. * @var type string */ private $secret; /** * Method used to communicate with service. Defaults to POST request. * @var RequestMethod */ private $requestMethod; /** * Create a configured instance to use the reCAPTCHA service. * * @param string $secret shared secret between site and reCAPTCHA server. * @param RequestMethod $requestMethod method used to send the request. Defaults to POST. */ public function __construct($secret, RequestMethod $requestMethod = null) { if (empty($secret)) { throw new \RuntimeException('No secret provided'); } if (!is_string($secret)) { throw new \RuntimeException('The provided secret must be a string'); } $this->secret = $secret; if (!is_null($requestMethod)) { $this->requestMethod = $requestMethod; } else { $this->requestMethod = new RequestMethod\Post(); } } /** * Calls the reCAPTCHA siteverify API to verify whether the user passes * CAPTCHA test. * * @param string $response The value of 'g-recaptcha-response' in the submitted form. * @param string $remoteIp The end user's IP address. * @return Response Response from the service. */ public function verify($response, $remoteIp = null) { // Discard empty solution submissions if (empty($response)) { $recaptchaResponse = new Response(false, array('missing-input-response')); return $recaptchaResponse; } $params = new RequestParameters($this->secret, $response, $remoteIp, self::VERSION); $rawResponse = $this->requestMethod->submit($params); return Response::fromJson($rawResponse); } } /** * 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; /** * Method used to send the request to the service. */ interface RequestMethod { /** * Submit the request with the specified parameters. * * @param RequestParameters $params Request parameters * @return string Body of the reCAPTCHA response */ public function submit(RequestParameters $params); } /** * 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; /** * Stores and formats the parameters for the request to the reCAPTCHA service. */ class RequestParameters { /** * Site secret. * @var string */ private $secret; /** * Form response. * @var string */ private $response; /** * Remote user's IP address. * @var string */ private $remoteIp; /** * Client version. * @var string */ private $version; /** * Initialise parameters. * * @param string $secret Site secret. * @param string $response Value from g-captcha-response form field. * @param string $remoteIp User's IP address. * @param string $version Version of this client library. */ public function __construct($secret, $response, $remoteIp = null, $version = null) { $this->secret = $secret; $this->response = $response; $this->remoteIp = $remoteIp; $this->version = $version; } /** * Array representation. * * @return array Array formatted parameters. */ public function toArray() { $params = array('secret' => $this->secret, 'response' => $this->response); if (!is_null($this->remoteIp)) { $params['remoteip'] = $this->remoteIp; } if (!is_null($this->version)) { $params['version'] = $this->version; } return $params; } /** * Query string representation for HTTP request. * * @return string Query string formatted parameters. */ public function toQueryString() { return http_build_query($this->toArray(), '', '&'); } } /** * 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; /** * The response returned from the service. */ class Response { /** * Succes or failure. * @var boolean */ private $success = false; /** * Error code strings. * @var array */ private $errorCodes = array(); /** * Build the response from the expected JSON returned by the service. * * @param string $json * @return \ReCaptcha\Response */ public static function fromJson($json) { $responseData = json_decode($json, true); if (!$responseData) { return new Response(false, array('invalid-json')); } if (isset($responseData['success']) && $responseData['success'] == true) { return new Response(true); } if (isset($responseData['error-codes']) && is_array($responseData['error-codes'])) { return new Response(false, $responseData['error-codes']); } return new Response(false); } /** * Constructor. * * @param boolean $success * @param array $errorCodes */ public function __construct($success, array $errorCodes = array()) { $this->success = $success; $this->errorCodes = $errorCodes; } /** * Is success? * * @return boolean */ public function isSuccess() { return $this->success; } /** * Get error codes. * * @return array */ public function getErrorCodes() { return $this->errorCodes; } } /** * @file * Custom Drupal 7 RequestMehod class for Google reCAPTCHA library. */ namespace ReCaptcha\RequestMethod; use ReCaptcha\RequestMethod; use ReCaptcha\RequestParameters; /** * Sends POST requests to the reCAPTCHA service. */ class Drupal7Post 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) { $options = array( 'headers' => array( 'Content-type' => 'application/x-www-form-urlencoded', ), 'method' => 'POST', 'data' => $params->toQueryString(), ); $response = drupal_http_request(self::SITE_VERIFY_URL, $options); return isset($response->data) ? $response->data : ''; } } Pressure Gauges | Page 8 | Colonial Instruments, Inc.

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