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<?php /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: / /* * Contains a cURL-based HTTP client class for the Services_Akismet package * * PHP version 5 * * LICENSE: * * Copyright (c) 2008 silverorange * * 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. * * @category Services * @package Services_Akismet * @author Michael Gauthier <mike@silverorange.com> * @copyright 2008 silverorange * @license http://www.opensource.org/licenses/mit-license.html MIT License * @version CVS: $Id: Curl.php,v 1.3 2008/04/16 03:10:41 gauthierm Exp $ * @link http://pear.php.net/package/Services_Akismet / /* * PEAR Exception. / require_once 'PEAR/Exception.php'; /* * Exception thrown when a communications error occurs. / require_once 'Services/Akismet/CommunicationException.php'; /* * HTTP client interface. / require_once 'Services/Akismet/HttpClient.php'; // {{{ class Services_Akismet_HttpClient_Curl /* * cURL-based simple HTTP client for accessing the Akismet REST API * * This cURL-based HTTP client requires the cURL extension for PHP. * * This HTTP client only supports the HTTP POST method since that is all that * is needed for the Akismet API. * * @category Services * @package Services_Akismet * @author Michael Gauthier <mike@silverorange.com> * @copyright 2008 silverorange * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://pear.php.net/package/Services_Akismet * @link http://akismet.com/development/api/ / class Services_Akismet_HttpClient_Curl extends Services_Akismet_HttpClient { // {{{ private properties /* * Akismet API server host name * * @var string * * @see Services_Akismet_HttpClient_Curl::__construct() / private $_host = ''; /* * TCP/IP Port on which to connect * * @var integer * * @see Services_Akismet_HttpClient_Curl::__construct() / private $_port = 80; /* * HTTP user agent string of this HTTP client * * @var string * * @see Services_Akismet_HttpClient_Curl::__construct() / private $_userAgent = ''; /* * Whether or not this client is connected * * @var boolean * * @see Services_Akismet_HttpClient_Curl::_connect() * @see Services_Akismet_HttpClient_Curl::_disconnect() / private $_connected = false; /* * cURL handle of this HTTP client * * @var resource / private $_curlHandle = null; // }}} // {{{ post() /* * Makes a HTTP POST request on the Akismet API server * * @param string $path the resource to post to. * @param string $content the data to post. * @param string $apiKey optional. The Wordpress API key to use for the * request. If not specified, no API key information * is included in the request. This is used for key * validation. * * @return string the content of the HTTP response from the Akismet API * server. * * @throws Services_Akismet_CommunicationException if there is an error * getting the cURL response from Akismet API server. / public function post($path, $content, $apiKey = '') { $this->_connect(); if (strlen($apiKey) > 0) { $host = $apiKey . '.' . $this->_host; } else { $host = $this->_host; } $url = sprintf('http://%s%s', $host, $path); curl_setopt_array($this->_curlHandle, array( CURLOPT_URL => $url, CURLOPT_POSTFIELDS => $content )); $response = curl_exec($this->_curlHandle); if ($response === false) { $error = curl_error($this->_curlHandle); $errorCode = curl_errno($this->_curlHandle); throw new Services_Akismet_CommunicationException('Error getting ' . 'response from API server: ' . $error, $errorCode); } $this->_disconnect(); return $response; } // }}} // {{{ __destruct() /* * Disconnects this HTTP client if it is connected when destroyed * * @return void / public function __destruct() { $this->_disconnect(); } // }}} // {{{ __construct() /* * Creates a new cURL-based HTTP client for accessing the Akismet REST API * * Instances of this HTTP client must be instantiated using the * {@link Services_Akismet_HttpClient::factory()} method. * * @param string $host the Akismet API server host name. * @param integer $port the TCP/IP connection port of this HTTP * client. * @param string $userAgent the HTTP user agent of this HTTP client. * * @throws PEAR_Exception if the cURL extension is not loaded for this PHP * installation. / protected function __construct($host, $port, $userAgent) { $this->_host = strval($host); $this->_port = intval($port); $this->_userAgent = strval($userAgent); if (!extension_loaded('curl')) { throw new PEAR_Exception('The cURL library is not enabled for ' . 'this PHP installation. The cURL-based HTTP client may not ' . 'be used.'); } } // }}} // {{{ _connect() /* * Connects this HTTP client to the Akismet API server * * The connection is only performed if this client is disconnected. * * @return void / private function _connect() { if (!$this->_connected) { $this->_curlHandle = curl_init(); curl_setopt_array($this->_curlHandle, array( CURLOPT_POST => true, CURLOPT_PORT => $this->_port, CURLOPT_USERAGENT => $this->_userAgent, CURLOPT_RETURNTRANSFER => true )); $this->_connected = true; } } // }}} // {{{ _disconnect() /* * Disconnects this HTTP client from the Akismet API server * * If there is remaining data in incomming packets, the data is read and * discarded before the connection is closed. Disconnection is only * performed if this client is connected. * * @return void */ private function _disconnect() { if ($this->_connected) { curl_close($this->_curlHandle); $this->_curlHandle = null; $this->_connected = false; } } // }}} } // }}} ?>

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