A (useless) twitter logging backend for FLOW3

TwitterBackend.php

<?php
declare(ENCODING = 'utf-8');
namespace F3\FLOW3\Log\Backend;

/*                                                                        *
 * This script belongs to the FLOW3 framework.                            *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU Lesser General Public License as published by the *
 * Free Software Foundation, either version 3 of the License, or (at your *
 * option) any later version.                                             *
 *                                                                        *
 * This script is distributed in the hope that it will be useful, but     *
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN-    *
 * TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser       *
 * General Public License for more details.                               *
 *                                                                        *
 * You should have received a copy of the GNU Lesser General Public       *
 * License along with the script.                                         *
 * If not, see http://www.gnu.org/licenses/lgpl.html                      *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

/**
 * A backend which just twitters everything
 *
 * To use it make sure to configure it in Objects.yaml
 * F3\FLOW3\Log\Backend\TwitterBackend:
 *   autowiring: off
 *   scope: prototype
 *
 * and Settings.yaml:
 * log:
 *   systemLogger:
 *     backend: F3\FLOW3\Log\Backend\TwitterBackend
 *     backendOptions:
 *       username: youruser
 *       password: yourpassword
 *
 * @version $Id$
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License, version 3 or later
 * @api
 * @scope prototype
 */
class TwitterBackend extends \F3\FLOW3\Log\Backend\AbstractBackend {

	protected $severityLabels = array(
		LOG_EMERG   => 'EMERGENCY',
		LOG_ALERT   => 'ALERT    ',
		LOG_CRIT    => 'CRITICAL ',
		LOG_ERR     => 'ERROR    ',
		LOG_WARNING => 'WARNING  ',
		LOG_NOTICE  => 'NOTICE   ',
		LOG_INFO    => 'INFO     ',
		LOG_DEBUG   => 'DEBUG    ',
	);

	/**
	 * @var string
	 */
	protected $username;

	/**
	 * @var string
	 */
	protected $password;

	/**
	 * @param string $username
	 * @return void
	 * @author Karsten Dambekalns <karsten@typo3.org>
	 */
	public function setUsername($username) {
		$this->username = $username;
	}

	/**
	 * @param string $password
	 * @return void
	 * @author Karsten Dambekalns <karsten@typo3.org>
	 */
	public function setPassword($password) {
		$this->password = $password;
	}

	/**
	 * Does nothing
	 *
	 * @return void
	 * @author Karsten Dambekalns <karsten@typo3.org>
	 * @api
	 */
	public function open() {}

	/**
	 * Logs to twitter
	 *
	 * @param string $message The message to log
	 * @param integer $severity One of the LOG_* constants
	 * @param mixed $additionalData (ignored)
	 * @param string $packageKey (ignored)
	 * @param string $className (ignored)
	 * @param string $methodName (ignored)
	 * @return void
	 * @author Karsten Dambekalns <karsten@typo3.org>
	 * @api
	 */
	public function append($message, $severity = 1, $additionalData = NULL, $packageKey = NULL, $className = NULL, $methodName = NULL) {
		$context = stream_context_create(
			array(
				'http' => array(
					'method'  => 'POST',
					'header'  => sprintf("Authorization: Basic %s\r\n", base64_encode($this->username . ':' . $this->password)).
					"Content-type: application/x-www-form-urlencoded\r\n",
					'content' => http_build_query(array('status' => $message . ' #' . $this->severityLabels[$severity])),
					'timeout' => 5,
				),
			)
		);
		return file_get_contents('http://twitter.com/statuses/update.xml', false, $context) !== FALSE;
	}

	/**
	 * Does nothing
	 *
	 * @return void
	 * @author Karsten Dambekalns <karsten@typo3.org>
	 * @api
	 */
	public function close() {}

}
?>