Файл: library/Zend/Service/WindowsAzure/SessionHandler.php
Строк: 237
<?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_Service_WindowsAzure
* @subpackage Session
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: SessionHandler.php 20785 2010-01-31 09:43:03Z mikaelkael $
*/
/** Zend_Service_WindowsAzure_Storage_Table */
require_once 'Zend/Service/WindowsAzure/Storage/Table.php';
/**
* @see Zend_Service_WindowsAzure_Exception
*/
require_once 'Zend/Service/WindowsAzure/Exception.php';
/**
* @category Zend
* @package Zend_Service_WindowsAzure
* @subpackage Session
* @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_Service_WindowsAzure_SessionHandler
{
/**
* Table storage
*
* @var Zend_Service_WindowsAzure_Storage_Table
*/
protected $_tableStorage;
/**
* Session table name
*
* @var string
*/
protected $_sessionTable;
/**
* Session table partition
*
* @var string
*/
protected $_sessionTablePartition;
/**
* Creates a new Zend_Service_WindowsAzure_SessionHandler instance
*
* @param Zend_Service_WindowsAzure_Storage_Table $tableStorage Table storage
* @param string $sessionTable Session table name
* @param string $sessionTablePartition Session table partition
*/
public function __construct(Zend_Service_WindowsAzure_Storage_Table $tableStorage, $sessionTable = 'phpsessions', $sessionTablePartition = 'sessions')
{
// Set properties
$this->_tableStorage = $tableStorage;
$this->_sessionTable = $sessionTable;
$this->_sessionTablePartition = $sessionTablePartition;
}
/**
* Registers the current session handler as PHP's session handler
*
* @return boolean
*/
public function register()
{
return session_set_save_handler(array($this, 'open'),
array($this, 'close'),
array($this, 'read'),
array($this, 'write'),
array($this, 'destroy'),
array($this, 'gc')
);
}
/**
* Open the session store
*
* @return bool
*/
public function open()
{
// Make sure table exists
$tableExists = $this->_tableStorage->tableExists($this->_sessionTable);
if (!$tableExists) {
$this->_tableStorage->createTable($this->_sessionTable);
}
// Ok!
return true;
}
/**
* Close the session store
*
* @return bool
*/
public function close()
{
return true;
}
/**
* Read a specific session
*
* @param int $id Session Id
* @return string
*/
public function read($id)
{
try
{
$sessionRecord = $this->_tableStorage->retrieveEntityById(
$this->_sessionTable,
$this->_sessionTablePartition,
$id
);
return base64_decode($sessionRecord->serializedData);
}
catch (Zend_Service_WindowsAzure_Exception $ex)
{
return '';
}
}
/**
* Write a specific session
*
* @param int $id Session Id
* @param string $serializedData Serialized PHP object
*/
public function write($id, $serializedData)
{
$sessionRecord = new Zend_Service_WindowsAzure_Storage_DynamicTableEntity($this->_sessionTablePartition, $id);
$sessionRecord->sessionExpires = time();
$sessionRecord->serializedData = base64_encode($serializedData);
$sessionRecord->setAzurePropertyType('sessionExpires', 'Edm.Int32');
try
{
$this->_tableStorage->updateEntity($this->_sessionTable, $sessionRecord);
}
catch (Zend_Service_WindowsAzure_Exception $unknownRecord)
{
$this->_tableStorage->insertEntity($this->_sessionTable, $sessionRecord);
}
}
/**
* Destroy a specific session
*
* @param int $id Session Id
* @return boolean
*/
public function destroy($id)
{
try
{
$sessionRecord = $this->_tableStorage->retrieveEntityById(
$this->_sessionTable,
$this->_sessionTablePartition,
$id
);
$this->_tableStorage->deleteEntity($this->_sessionTable, $sessionRecord);
return true;
}
catch (Zend_Service_WindowsAzure_Exception $ex)
{
return false;
}
}
/**
* Garbage collector
*
* @param int $lifeTime Session maximal lifetime
* @see session.gc_divisor 100
* @see session.gc_maxlifetime 1440
* @see session.gc_probability 1
* @usage Execution rate 1/100 (session.gc_probability/session.gc_divisor)
* @return boolean
*/
public function gc($lifeTime)
{
try
{
$result = $this->_tableStorage->retrieveEntities($this->_sessionTable, 'PartitionKey eq '' . $this->_sessionTablePartition . '' and sessionExpires lt ' . (time() - $lifeTime));
foreach ($result as $sessionRecord)
{
$this->_tableStorage->deleteEntity($this->_sessionTable, $sessionRecord);
}
return true;
}
catch (Zend_Service_WindowsAzure_exception $ex)
{
return false;
}
}
}