Magento: app/code/core/Mage/Core/Model/Session.php Source File

00001 <?php
00002 /**
00003  * Magento
00004  *
00005  * NOTICE OF LICENSE
00006  *
00007  * This source file is subject to the Open Software License (OSL 3.0)
00008  * that is bundled with this package in the file LICENSE.txt.
00009  * It is also available through the world-wide-web at this URL:
00010  * http://opensource.org/licenses/osl-3.0.php
00011  * If you did not receive a copy of the license and are unable to
00012  * obtain it through the world-wide-web, please send an email
00013  * to license@magentocommerce.com so we can send you a copy immediately.
00014  *
00015  * DISCLAIMER
00016  *
00017  * Do not edit or add to this file if you wish to upgrade Magento to newer
00018  * versions in the future. If you wish to customize Magento for your
00019  * needs please refer to http://www.magentocommerce.com for more information.
00020  *
00021  * @category   Mage
00022  * @package    Mage_Core
00023  * @copyright  Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
00024  * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
00025  */
00026 
00027 
00028 /**
00029  * Core session model
00030  *
00031  * @todo extend from Mage_Core_Model_Session_Abstract
00032  *
00033  */
00034 class Mage_Core_Model_Session extends Mage_Core_Model_Session_Abstract
00035 {
00036     public function __construct($data=array())
00037     {
00038         $name = isset($data['name']) ? $data['name'] : null;
00039         $this->init('core', $name);
00040     }
00041 
00042     /**
00043      * Retrieve Session Form Key
00044      *
00045      * @return string A 16 bit unique key for forms
00046      */
00047     public function getFormKey()
00048     {
00049         if (!$this->getData('_form_key')) {
00050             $this->setData('_form_key', Mage::helper('core')->getRandomString(16));
00051         }
00052         return $this->getData('_form_key');
00053     }
00054 }