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Direktori : /home/medipszd/public_html/recaptcha/src/ReCaptcha/RequestMethod/ |
Current File : /home/medipszd/public_html/recaptcha/src/ReCaptcha/RequestMethod/SocketPost.php |
<?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_furl_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]; } }