304 lines
9.1 KiB
PHP
304 lines
9.1 KiB
PHP
<?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_Amf
|
|
* @subpackage Parse_Amf0
|
|
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
* @version $Id: Deserializer.php 16971 2009-07-22 18:05:45Z mikaelkael $
|
|
*/
|
|
|
|
/** Zend_Amf_Parse_Deserializer */
|
|
require_once 'Zend/Amf/Parse/Deserializer.php';
|
|
|
|
/**
|
|
* Read an AMF0 input stream and convert it into PHP data types
|
|
*
|
|
* @todo Implement Typed Object Class Mapping
|
|
* @todo Class could be implmented as Factory Class with each data type it's own class
|
|
* @package Zend_Amf
|
|
* @subpackage Parse_Amf0
|
|
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
|
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
|
*/
|
|
class Zend_Amf_Parse_Amf0_Deserializer extends Zend_Amf_Parse_Deserializer
|
|
{
|
|
/**
|
|
* An array of objects used for recursivly deserializing an object.
|
|
* @var array
|
|
*/
|
|
protected $_reference = array();
|
|
|
|
/**
|
|
* If AMF3 serialization occurs, update to AMF0 0x03
|
|
*
|
|
* @var int
|
|
*/
|
|
protected $_objectEncoding = Zend_Amf_Constants::AMF0_OBJECT_ENCODING;
|
|
|
|
/**
|
|
* Read AMF markers and dispatch for deserialization
|
|
*
|
|
* Checks for AMF marker types and calls the appropriate methods
|
|
* for deserializing those marker types. Markers are the data type of
|
|
* the following value.
|
|
*
|
|
* @param integer $typeMarker
|
|
* @return mixed whatever the data type is of the marker in php
|
|
* @throws Zend_Amf_Exception for invalid type
|
|
*/
|
|
public function readTypeMarker($typeMarker = null)
|
|
{
|
|
if ($typeMarker === null) {
|
|
$typeMarker = $this->_stream->readByte();
|
|
}
|
|
|
|
switch($typeMarker) {
|
|
// number
|
|
case Zend_Amf_Constants::AMF0_NUMBER:
|
|
return $this->_stream->readDouble();
|
|
|
|
// boolean
|
|
case Zend_Amf_Constants::AMF0_BOOLEAN:
|
|
return (boolean) $this->_stream->readByte();
|
|
|
|
// string
|
|
case Zend_Amf_Constants::AMF0_STRING:
|
|
return $this->_stream->readUTF();
|
|
|
|
// object
|
|
case Zend_Amf_Constants::AMF0_OBJECT:
|
|
return $this->readObject();
|
|
|
|
// null
|
|
case Zend_Amf_Constants::AMF0_NULL:
|
|
return null;
|
|
|
|
// undefined
|
|
case Zend_Amf_Constants::AMF0_UNDEFINED:
|
|
return null;
|
|
|
|
// Circular references are returned here
|
|
case Zend_Amf_Constants::AMF0_REFERENCE:
|
|
return $this->readReference();
|
|
|
|
// mixed array with numeric and string keys
|
|
case Zend_Amf_Constants::AMF0_MIXEDARRAY:
|
|
return $this->readMixedArray();
|
|
|
|
// array
|
|
case Zend_Amf_Constants::AMF0_ARRAY:
|
|
return $this->readArray();
|
|
|
|
// date
|
|
case Zend_Amf_Constants::AMF0_DATE:
|
|
return $this->readDate();
|
|
|
|
// longString strlen(string) > 2^16
|
|
case Zend_Amf_Constants::AMF0_LONGSTRING:
|
|
return $this->_stream->readLongUTF();
|
|
|
|
//internal AS object, not supported
|
|
case Zend_Amf_Constants::AMF0_UNSUPPORTED:
|
|
return null;
|
|
|
|
// XML
|
|
case Zend_Amf_Constants::AMF0_XML:
|
|
return $this->readXmlString();
|
|
|
|
// typed object ie Custom Class
|
|
case Zend_Amf_Constants::AMF0_TYPEDOBJECT:
|
|
return $this->readTypedObject();
|
|
|
|
//AMF3-specific
|
|
case Zend_Amf_Constants::AMF0_AMF3:
|
|
return $this->readAmf3TypeMarker();
|
|
|
|
default:
|
|
require_once 'Zend/Amf/Exception.php';
|
|
throw new Zend_Amf_Exception('Unsupported marker type: ' . $typeMarker);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Read AMF objects and convert to PHP objects
|
|
*
|
|
* Read the name value pair objects form the php message and convert them to
|
|
* a php object class.
|
|
*
|
|
* Called when the marker type is 3.
|
|
*
|
|
* @param array|null $object
|
|
* @return object
|
|
*/
|
|
public function readObject($object = null)
|
|
{
|
|
if ($object === null) {
|
|
$object = array();
|
|
}
|
|
|
|
while (true) {
|
|
$key = $this->_stream->readUTF();
|
|
$typeMarker = $this->_stream->readByte();
|
|
if ($typeMarker != Zend_Amf_Constants::AMF0_OBJECTTERM ){
|
|
//Recursivly call readTypeMarker to get the types of properties in the object
|
|
$object[$key] = $this->readTypeMarker($typeMarker);
|
|
} else {
|
|
//encountered AMF object terminator
|
|
break;
|
|
}
|
|
}
|
|
$this->_reference[] = $object;
|
|
return (object) $object;
|
|
}
|
|
|
|
/**
|
|
* Read reference objects
|
|
*
|
|
* Used to gain access to the private array of refrence objects.
|
|
* Called when marker type is 7.
|
|
*
|
|
* @return object
|
|
* @throws Zend_Amf_Exception for invalid reference keys
|
|
*/
|
|
public function readReference()
|
|
{
|
|
$key = $this->_stream->readInt();
|
|
if (!array_key_exists($key, $this->_reference)) {
|
|
require_once 'Zend/Amf/Exception.php';
|
|
throw new Zend_Amf_Exception('Invalid reference key: '. $key);
|
|
}
|
|
return $this->_reference[$key];
|
|
}
|
|
|
|
/**
|
|
* Reads an array with numeric and string indexes.
|
|
*
|
|
* Called when marker type is 8
|
|
*
|
|
* @todo As of Flash Player 9 there is not support for mixed typed arrays
|
|
* so we handle this as an object. With the introduction of vectors
|
|
* in Flash Player 10 this may need to be reconsidered.
|
|
* @return array
|
|
*/
|
|
public function readMixedArray()
|
|
{
|
|
$length = $this->_stream->readLong();
|
|
return $this->readObject();
|
|
}
|
|
|
|
/**
|
|
* Converts numberically indexed actiosncript arrays into php arrays.
|
|
*
|
|
* Called when marker type is 10
|
|
*
|
|
* @return array
|
|
*/
|
|
public function readArray()
|
|
{
|
|
$length = $this->_stream->readLong();
|
|
$array = array();
|
|
while ($length--) {
|
|
$array[] = $this->readTypeMarker();
|
|
}
|
|
return $array;
|
|
}
|
|
|
|
/**
|
|
* Convert AS Date to Zend_Date
|
|
*
|
|
* @return Zend_Date
|
|
*/
|
|
public function readDate()
|
|
{
|
|
// get the unix time stamp. Not sure why ActionScript does not use
|
|
// milliseconds
|
|
$timestamp = floor($this->_stream->readDouble() / 1000);
|
|
|
|
// The timezone offset is never returned to the server; it is always 0,
|
|
// so read and ignore.
|
|
$offset = $this->_stream->readInt();
|
|
|
|
require_once 'Zend/Date.php';
|
|
$date = new Zend_Date($timestamp);
|
|
return $date;
|
|
}
|
|
|
|
/**
|
|
* Convert XML to SimpleXml
|
|
* If user wants DomDocument they can use dom_import_simplexml
|
|
*
|
|
* @return SimpleXml Object
|
|
*/
|
|
public function readXmlString()
|
|
{
|
|
$string = $this->_stream->readLongUTF();
|
|
return simplexml_load_string($string);
|
|
}
|
|
|
|
/**
|
|
* Read Class that is to be mapped to a server class.
|
|
*
|
|
* Commonly used for Value Objects on the server
|
|
*
|
|
* @todo implement Typed Class mapping
|
|
* @return object|array
|
|
* @throws Zend_Amf_Exception if unable to load type
|
|
*/
|
|
public function readTypedObject()
|
|
{
|
|
require_once 'Zend/Amf/Parse/TypeLoader.php';
|
|
// get the remote class name
|
|
$className = $this->_stream->readUTF();
|
|
$loader = Zend_Amf_Parse_TypeLoader::loadType($className);
|
|
$returnObject = new $loader();
|
|
$properties = get_object_vars($this->readObject());
|
|
foreach($properties as $key=>$value) {
|
|
if($key) {
|
|
$returnObject->$key = $value;
|
|
}
|
|
}
|
|
if($returnObject instanceof Zend_Amf_Value_Messaging_ArrayCollection) {
|
|
$returnObject = get_object_vars($returnObject);
|
|
}
|
|
return $returnObject;
|
|
}
|
|
|
|
/**
|
|
* AMF3 data type encountered load AMF3 Deserializer to handle
|
|
* type markers.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function readAmf3TypeMarker()
|
|
{
|
|
require_once 'Zend/Amf/Parse/Amf3/Deserializer.php';
|
|
$deserializer = new Zend_Amf_Parse_Amf3_Deserializer($this->_stream);
|
|
$this->_objectEncoding = Zend_Amf_Constants::AMF3_OBJECT_ENCODING;
|
|
return $deserializer->readTypeMarker();
|
|
}
|
|
|
|
/**
|
|
* Return the object encoding to check if an AMF3 object
|
|
* is going to be return.
|
|
*
|
|
* @return int
|
|
*/
|
|
public function getObjectEncoding()
|
|
{
|
|
return $this->_objectEncoding;
|
|
}
|
|
}
|