347 lines
13 KiB
PHP
347 lines
13 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: Serializer.php 16971 2009-07-22 18:05:45Z mikaelkael $
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** Zend_Amf_Parse_Serializer */
|
||
|
|
require_once 'Zend/Amf/Parse/Serializer.php';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Serializer php misc types back to there corresponding AMF0 Type Marker.
|
||
|
|
*
|
||
|
|
* @uses Zend_Amf_Parse_Serializer
|
||
|
|
* @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_Serializer extends Zend_Amf_Parse_Serializer
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* @var string Name of the class to be returned
|
||
|
|
*/
|
||
|
|
protected $_className = '';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* An array of reference objects
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
protected $_referenceObjects = array();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Determine type and serialize accordingly
|
||
|
|
*
|
||
|
|
* Checks to see if the type was declared and then either
|
||
|
|
* auto negotiates the type or relies on the user defined markerType to
|
||
|
|
* serialize the data into amf
|
||
|
|
*
|
||
|
|
* @param misc $data
|
||
|
|
* @param misc $markerType
|
||
|
|
* @return Zend_Amf_Parse_Amf0_Serializer
|
||
|
|
* @throws Zend_Amf_Exception for unrecognized types or data
|
||
|
|
*/
|
||
|
|
public function writeTypeMarker($data, $markerType = null)
|
||
|
|
{
|
||
|
|
if (null !== $markerType) {
|
||
|
|
//try to refrence the given object
|
||
|
|
if( !$this->writeObjectReference($data, $markerType) ) {
|
||
|
|
|
||
|
|
// Write the Type Marker to denote the following action script data type
|
||
|
|
$this->_stream->writeByte($markerType);
|
||
|
|
switch($markerType) {
|
||
|
|
case Zend_Amf_Constants::AMF0_NUMBER:
|
||
|
|
$this->_stream->writeDouble($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_BOOLEAN:
|
||
|
|
$this->_stream->writeByte($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_STRING:
|
||
|
|
$this->_stream->writeUTF($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_OBJECT:
|
||
|
|
$this->writeObject($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_NULL:
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_REFERENCE:
|
||
|
|
$this->_stream->writeInt($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_MIXEDARRAY:
|
||
|
|
// Write length of numeric keys as zero.
|
||
|
|
$this->_stream->writeLong(0);
|
||
|
|
$this->writeObject($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_ARRAY:
|
||
|
|
$this->writeArray($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_DATE:
|
||
|
|
$this->writeDate($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_LONGSTRING:
|
||
|
|
$this->_stream->writeLongUTF($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_TYPEDOBJECT:
|
||
|
|
$this->writeTypedObject($data);
|
||
|
|
break;
|
||
|
|
case Zend_Amf_Constants::AMF0_AMF3:
|
||
|
|
$this->writeAmf3TypeMarker($data);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
require_once 'Zend/Amf/Exception.php';
|
||
|
|
throw new Zend_Amf_Exception("Unknown Type Marker: " . $markerType);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if(is_resource($data)) {
|
||
|
|
$data = Zend_Amf_Parse_TypeLoader::handleResource($data);
|
||
|
|
}
|
||
|
|
switch (true) {
|
||
|
|
case (is_int($data) || is_float($data)):
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_NUMBER;
|
||
|
|
break;
|
||
|
|
case (is_bool($data)):
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_BOOLEAN;
|
||
|
|
break;
|
||
|
|
case (is_string($data) && (strlen($data) > 65536)):
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_LONGSTRING;
|
||
|
|
break;
|
||
|
|
case (is_string($data)):
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_STRING;
|
||
|
|
break;
|
||
|
|
case (is_object($data)):
|
||
|
|
if (($data instanceof DateTime) || ($data instanceof Zend_Date)) {
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_DATE;
|
||
|
|
} else {
|
||
|
|
|
||
|
|
if($className = $this->getClassName($data)){
|
||
|
|
//Object is a Typed object set classname
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_TYPEDOBJECT;
|
||
|
|
$this->_className = $className;
|
||
|
|
} else {
|
||
|
|
// Object is a generic classname
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_OBJECT;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case (null === $data):
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_NULL;
|
||
|
|
break;
|
||
|
|
case (is_array($data)):
|
||
|
|
// check if it is an associative array
|
||
|
|
$i = 0;
|
||
|
|
foreach (array_keys($data) as $key) {
|
||
|
|
// check if it contains non-integer keys
|
||
|
|
if (!is_numeric($key) || intval($key) != $key) {
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_OBJECT;
|
||
|
|
break;
|
||
|
|
// check if it is a sparse indexed array
|
||
|
|
} else if ($key != $i) {
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_MIXEDARRAY;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
$i++;
|
||
|
|
}
|
||
|
|
// Dealing with a standard numeric array
|
||
|
|
if(!$markerType){
|
||
|
|
$markerType = Zend_Amf_Constants::AMF0_ARRAY;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
require_once 'Zend/Amf/Exception.php';
|
||
|
|
throw new Zend_Amf_Exception('Unsupported data type: ' . gettype($data));
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->writeTypeMarker($data, $markerType);
|
||
|
|
}
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if the given object is in the reference table, write the reference if it exists,
|
||
|
|
* otherwise add the object to the reference table
|
||
|
|
*
|
||
|
|
* @param mixed $object object to check for reference
|
||
|
|
* @param $markerType AMF type of the object to write
|
||
|
|
* @return Boolean true, if the reference was written, false otherwise
|
||
|
|
*/
|
||
|
|
protected function writeObjectReference($object, $markerType){
|
||
|
|
if( $markerType == Zend_Amf_Constants::AMF0_OBJECT ||
|
||
|
|
$markerType == Zend_Amf_Constants::AMF0_MIXEDARRAY ||
|
||
|
|
$markerType == Zend_Amf_Constants::AMF0_ARRAY ||
|
||
|
|
$markerType == Zend_Amf_Constants::AMF0_TYPEDOBJECT ) {
|
||
|
|
|
||
|
|
$ref = array_search($object, $this->_referenceObjects,true);
|
||
|
|
//handle object reference
|
||
|
|
if($ref !== false){
|
||
|
|
$this->writeTypeMarker($ref,Zend_Amf_Constants::AMF0_REFERENCE);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_referenceObjects[] = $object;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Write a php array with string or mixed keys.
|
||
|
|
*
|
||
|
|
* @param object $data
|
||
|
|
* @return Zend_Amf_Parse_Amf0_Serializer
|
||
|
|
*/
|
||
|
|
public function writeObject($object)
|
||
|
|
{
|
||
|
|
// Loop each element and write the name of the property.
|
||
|
|
foreach ($object as $key => $value) {
|
||
|
|
// skip variables starting with an _ provate transient
|
||
|
|
if( $key[0] == "_") continue;
|
||
|
|
$this->_stream->writeUTF($key);
|
||
|
|
$this->writeTypeMarker($value);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Write the end object flag
|
||
|
|
$this->_stream->writeInt(0);
|
||
|
|
$this->_stream->writeByte(Zend_Amf_Constants::AMF0_OBJECTTERM);
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Write a standard numeric array to the output stream. If a mixed array
|
||
|
|
* is encountered call writeTypeMarker with mixed array.
|
||
|
|
*
|
||
|
|
* @param array $array
|
||
|
|
* @return Zend_Amf_Parse_Amf0_Serializer
|
||
|
|
*/
|
||
|
|
public function writeArray($array)
|
||
|
|
{
|
||
|
|
$length = count($array);
|
||
|
|
if (!$length < 0) {
|
||
|
|
// write the length of the array
|
||
|
|
$this->_stream->writeLong(0);
|
||
|
|
} else {
|
||
|
|
// Write the length of the numberic array
|
||
|
|
$this->_stream->writeLong($length);
|
||
|
|
for ($i=0; $i<$length; $i++) {
|
||
|
|
$value = isset($array[$i]) ? $array[$i] : null;
|
||
|
|
$this->writeTypeMarker($value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Convert the DateTime into an AMF Date
|
||
|
|
*
|
||
|
|
* @param DateTime|Zend_Date $data
|
||
|
|
* @return Zend_Amf_Parse_Amf0_Serializer
|
||
|
|
*/
|
||
|
|
public function writeDate($data)
|
||
|
|
{
|
||
|
|
if ($data instanceof DateTime) {
|
||
|
|
$dateString = $data->format('U');
|
||
|
|
} elseif ($data instanceof Zend_Date) {
|
||
|
|
$dateString = $data->toString('U');
|
||
|
|
} else {
|
||
|
|
require_once 'Zend/Amf/Exception.php';
|
||
|
|
throw new Zend_Amf_Exception('Invalid date specified; must be a DateTime or Zend_Date object');
|
||
|
|
}
|
||
|
|
$dateString *= 1000;
|
||
|
|
|
||
|
|
// Make the conversion and remove milliseconds.
|
||
|
|
$this->_stream->writeDouble($dateString);
|
||
|
|
|
||
|
|
// Flash does not respect timezone but requires it.
|
||
|
|
$this->_stream->writeInt(0);
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Write a class mapped object to the output stream.
|
||
|
|
*
|
||
|
|
* @param object $data
|
||
|
|
* @return Zend_Amf_Parse_Amf0_Serializer
|
||
|
|
*/
|
||
|
|
public function writeTypedObject($data)
|
||
|
|
{
|
||
|
|
$this->_stream->writeUTF($this->_className);
|
||
|
|
$this->writeObject($data);
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Encountered and AMF3 Type Marker use AMF3 serializer. Once AMF3 is
|
||
|
|
* enountered it will not return to AMf0.
|
||
|
|
*
|
||
|
|
* @param string $data
|
||
|
|
* @return Zend_Amf_Parse_Amf0_Serializer
|
||
|
|
*/
|
||
|
|
public function writeAmf3TypeMarker($data)
|
||
|
|
{
|
||
|
|
require_once 'Zend/Amf/Parse/Amf3/Serializer.php';
|
||
|
|
$serializer = new Zend_Amf_Parse_Amf3_Serializer($this->_stream);
|
||
|
|
$serializer->writeTypeMarker($data);
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Find if the class name is a class mapped name and return the
|
||
|
|
* respective classname if it is.
|
||
|
|
*
|
||
|
|
* @param object $object
|
||
|
|
* @return false|string $className
|
||
|
|
*/
|
||
|
|
protected function getClassName($object)
|
||
|
|
{
|
||
|
|
require_once 'Zend/Amf/Parse/TypeLoader.php';
|
||
|
|
//Check to see if the object is a typed object and we need to change
|
||
|
|
$className = '';
|
||
|
|
switch (true) {
|
||
|
|
// the return class mapped name back to actionscript class name.
|
||
|
|
case Zend_Amf_Parse_TypeLoader::getMappedClassName(get_class($object)):
|
||
|
|
$className = Zend_Amf_Parse_TypeLoader::getMappedClassName(get_class($object));
|
||
|
|
break;
|
||
|
|
// Check to see if the user has defined an explicit Action Script type.
|
||
|
|
case isset($object->_explicitType):
|
||
|
|
$className = $object->_explicitType;
|
||
|
|
break;
|
||
|
|
// Check if user has defined a method for accessing the Action Script type
|
||
|
|
case method_exists($object, 'getASClassName'):
|
||
|
|
$className = $object->getASClassName();
|
||
|
|
break;
|
||
|
|
// No return class name is set make it a generic object
|
||
|
|
case ($object instanceof stdClass):
|
||
|
|
$className = '';
|
||
|
|
break;
|
||
|
|
// By default, use object's class name
|
||
|
|
default:
|
||
|
|
$className = get_class($object);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if(!$className == '') {
|
||
|
|
return $className;
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|