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_Auth

    17  * @subpackage Storage

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

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

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

    21  */

    22 

    23 

    24 /**

    25  * @see Zend_Auth_Storage_Interface

    26  */

    27 require_once 'Zend/Auth/Storage/Interface.php';

    28 

    29 

    30 /**

    31  * Non-Persistent Auth Storage

    32  *

    33  * Since HTTP Authentication happens again on each request, this will always be

    34  * re-populated. So there's no need to use sessions, this simple value class

    35  * will hold the data for rest of the current request.

    36  *

    37  * @category   Zend

    38  * @package    Zend_Auth

    39  * @subpackage Storage

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

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

    42  */

    43 class Zend_Auth_Storage_NonPersistent implements Zend_Auth_Storage_Interface

    44 {

    45     /**

    46      * Holds the actual auth data

    47      */

    48     protected $_data;

    49 

    50     /**

    51      * Returns true if and only if storage is empty

    52      *

    53      * @throws Zend_Auth_Storage_Exception If it is impossible to determine whether storage is empty

    54      * @return boolean

    55      */

    56     public function isEmpty()

    57     {

    58         return empty($this->_data);

    59     }

    60 

    61     /**

    62      * Returns the contents of storage

    63      * Behavior is undefined when storage is empty.

    64      *

    65      * @throws Zend_Auth_Storage_Exception If reading contents from storage is impossible

    66      * @return mixed

    67      */

    68     public function read()

    69     {

    70         return $this->_data;

    71     }

    72 

    73     /**

    74      * Writes $contents to storage

    75      *

    76      * @param  mixed $contents

    77      * @throws Zend_Auth_Storage_Exception If writing $contents to storage is impossible

    78      * @return void

    79      */

    80     public function write($contents)

    81     {

    82         $this->_data = $contents;

    83     }

    84 

    85     /**

    86      * Clears contents from storage

    87      *

    88      * @throws Zend_Auth_Storage_Exception If clearing contents from storage is impossible

    89      * @return void

    90      */

    91     public function clear()

    92     {

    93         $this->_data = null;

    94     }

    95 }