Changed THiddenFieldPageStatePersister to TPageStatePersister. Changed the way of generating private key (previously it was not fully implemented yet.)

1 files changed, 0 insertions, 81 deletions

diff --git a/framework/Web/UI/THiddenFieldPageStatePersister.php b/framework/Web/UI/THiddenFieldPageStatePersister.php
deleted file mode 100644
index d4041983..00000000
--- a/framework/Web/UI/THiddenFieldPageStatePersister.php
+++ /dev/null
@@ -1,81 +0,0 @@
-<?php

-

-class THiddenFieldPageStatePersister extends TComponent implements IPageStatePersister, IModule

-{

-	private $_application;

-	private $_id='persister';

-

-	/**

-	 * Initializes the service.

-	 * This method is required by IModule interface.

-	 * @param TApplication application

-	 * @param TXmlElement module configuration

-	 */

-	public function init($application, $config)

-	{

-		$this->_application=$application;

-		$application->getService()->setPageStatePersister($this);

-	}

-

-	/**

-	 * @return string id of this module

-	 */

-	public function getID()

-	{

-		return $this->_id;

-	}

-

-	/**

-	 * @param string id of this module

-	 */

-	public function setID($value)

-	{

-		$this->_id=$value;

-	}

-

-	public function save($state)

-	{

-		$data=Prado::serialize($state);

-		$hmac=$this->computeHMAC($data,$this->getKey());

-		if(extension_loaded('zlib'))

-			$data=gzcompress($hmac.$data);

-		else

-			$data=$hmac.$data;

-		$this->_application->getService()->getRequestedPage()->getClientScript()->registerHiddenField(TPage::FIELD_PAGESTATE,base64_encode($data));

-	}

-

-	public function load()

-	{

-		$str=base64_decode($this->_application->getRequest()->getItems()->itemAt(TPage::FIELD_PAGESTATE));

-		if($str==='')

-			return null;

-		if(extension_loaded('zlib'))

-			$data=gzuncompress($str);

-		else

-			$data=$str;

-		if($data!==false && strlen($data)>32)

-		{

-			$hmac=substr($data,0,32);

-			$state=substr($data,32);

-			if($hmac===$this->computeHMAC($state,$this->getKey()))

-				return Prado::unserialize($state);

-		}

-		throw new Exception('viewstate data is corrupted.');

-	}

-

-	private function getKey()

-	{

-		return 'abcdefe';

-	}

-

-	private function computeHMAC($data,$key)

-	{

-		if (strlen($key) > 64)

-			$key = pack('H32', md5($key));

-		else if (strlen($key) < 64)

-			$key = str_pad($key, 64, "\0");

-		return md5((str_repeat("\x5c", 64) ^ substr($key, 0, 64)) . pack('H32', md5((str_repeat("\x36", 64) ^ substr($key, 0, 64)) . $data)));

-	}

-}

-

-?>
\ No newline at end of file