<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Http
 * @subpackage UserAgent
 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
require_once 'Zend/Http/UserAgent/AbstractDevice.php';

/**
 * Bot browser type matcher
 *
 * @category   Zend
 * @package    Zend_Http
 * @subpackage UserAgent
 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

class Zend_Http_UserAgent_Bot extends Zend_Http_UserAgent_AbstractDevice
{

    /**
     * User Agent Signatures
     *
     * @var array
     */
    protected static $_uaSignatures = array(
        // The most common ones.
        'googlebot', 
        'msnbot', 
        'slurp', 
        'yahoo',

        // The rest, alphabetically.
        'alexa', 
        'appie', 
        'archiver', 
        'ask jeeves', 
        'baiduspider', 
        'bot', 
        'crawl', 
        'crawler', 
        'curl', 
        'eventbox', 
        'facebookexternal', 
        'fast', 
        'feedfetcher-google', 
        'firefly', 
        'froogle', 
        'gigabot', 
        'girafabot', 
        'google', 
        'infoseek', 
        'inktomi', 
        'java', 
        'larbin',
        'looksmart', 
        'mechanize', 
        'mediapartners-google', 
        'monitor', 
        'nambu', 
        'nationaldirectory', 
        'novarra', 
        'pear', 
        'perl', 
        'python', 
        'rabaz', 
        'radian', 
        'rankivabot', 
        'scooter', 
        'sogou web spider', 
        'spade', 
        'sphere', 
        'spider', 
        'technoratisnoop', 
        'tecnoseek', 
        'teoma', 
        'toolbar', 
        'transcoder', 
        'twitt', 
        'url_spider_sql', 
        'webalta crawler', 
        'webbug', 
        'webfindbot', 
        'wordpress', 
        'www.galaxy.com', 
        'yahoo! searchmonkey', 
        'yahoo! slurp', 
        'yandex', 
        'zyborg',
    );

    /**
     * Comparison of the UserAgent chain and browser signatures
     *
     * @param  string $userAgent User Agent chain
     * @param  array $server $_SERVER like param
     * @return bool
     */
    public static function match($userAgent, $server)
    {
        return self::_matchAgentAgainstSignatures($userAgent, self::$_uaSignatures);
    }

    /**
     * Gives the current browser type
     *
     * @return string
     */
    public function getType()
    {
        return 'bot';
    }
}