1 <?php

     2 /**

     3  * Zend Framework

     4  *

     5  * LICENSE

     6  *

     7  * This source file is subject to the new BSD license that is bundled

     8  * with this package in the file LICENSE.txt.

     9  * It is also available through the world-wide-web at this URL:

    10  * http://framework.zend.com/license/new-bsd

    11  * If you did not receive a copy of the license and are unable to

    12  * obtain it through the world-wide-web, please send an email

    13  * to license@zend.com so we can send you a copy immediately.

    14  *

    15  * @category   Zend

    16  * @package    Zend_Session

    17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    18  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    19  * @version    $Id: HttpUserAgent.php 20096 2010-01-06 02:05:09Z bkarwin $

    20  * @since      Preview Release 0.2

    21  */

    22 

    23 /**

    24  * @see Zend_Session_Validator_Abstract

    25  */

    26 require_once 'Zend/Session/Validator/Abstract.php';

    27 

    28 /**

    29  * Zend_Session_Validator_HttpUserAgent

    30  *

    31  * @category   Zend

    32  * @package    Zend_Session

    33  * @subpackage Validator

    34  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

    35  * @license    http://framework.zend.com/license/new-bsd     New BSD License

    36  */

    37 class Zend_Session_Validator_HttpUserAgent extends Zend_Session_Validator_Abstract

    38 {

    39 

    40     /**

    41      * Setup() - this method will get the current user agent and store it in the session

    42      * as 'valid data'

    43      *

    44      * @return void

    45      */

    46     public function setup()

    47     {

    48         $this->setValidData( (isset($_SERVER['HTTP_USER_AGENT'])

    49             ? $_SERVER['HTTP_USER_AGENT'] : null) );

    50     }

    51 

    52     /**

    53      * Validate() - this method will determine if the current user agent matches the

    54      * user agent we stored when we initialized this variable.

    55      *

    56      * @return bool

    57      */

    58     public function validate()

    59     {

    60         $currentBrowser = (isset($_SERVER['HTTP_USER_AGENT'])

    61             ? $_SERVER['HTTP_USER_AGENT'] : null);

    62 

    63         return $currentBrowser === $this->getValidData();

    64     }

    65 

    66 }