Session/Validator/HttpUserAgent.php

0001 <?php
0002 /**
0003  * Zend Framework
0004  *
0005  * LICENSE
0006  *
0007  * This source file is subject to the new BSD license that is bundled
0008  * with this package in the file LICENSE.txt.
0009  * It is also available through the world-wide-web at this URL:
0010  * http://framework.zend.com/license/new-bsd
0011  * If you did not receive a copy of the license and are unable to
0012  * obtain it through the world-wide-web, please send an email
0013  * to license@zend.com so we can send you a copy immediately.
0014  *
0015  * @category   Zend
0016  * @package    Zend_Session
0017  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
0018  * @license    http://framework.zend.com/license/new-bsd     New BSD License
0019  * @version    $Id$
0020  * @since      Preview Release 0.2
0021  */
0022
0023 /**
0024  * @see Zend_Session_Validator_Abstract
0025  */
0026 // require_once 'Zend/Session/Validator/Abstract.php';
0027
0028 /**
0029  * Zend_Session_Validator_HttpUserAgent
0030  *
0031  * @category   Zend
0032  * @package    Zend_Session
0033  * @subpackage Validator
0034  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
0035  * @license    http://framework.zend.com/license/new-bsd     New BSD License
0036  */
0037 class Zend_Session_Validator_HttpUserAgent extends Zend_Session_Validator_Abstract
0038 {
0039
0040     /**
0041      * Setup() - this method will get the current user agent and store it in the session
0042      * as 'valid data'
0043      *
0044      * @return void
0045      */
0046     public function setup()
0047     {
0048         $this->setValidData( (isset($_SERVER['HTTP_USER_AGENT'])
0049             ? $_SERVER['HTTP_USER_AGENT'] : null) );
0050     }
0051
0052     /**
0053      * Validate() - this method will determine if the current user agent matches the
0054      * user agent we stored when we initialized this variable.
0055      *
0056      * @return bool
0057      */
0058     public function validate()
0059     {
0060         $currentBrowser = (isset($_SERVER['HTTP_USER_AGENT'])
0061             ? $_SERVER['HTTP_USER_AGENT'] : null);
0062
0063         return $currentBrowser === $this->getValidData();
0064     }
0065
0066 }