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<?php
/**
* PHP Reader Library
*
* Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the project workgroup nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package php-reader
* @subpackage ASF
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
* @version $Id: ContentEncryption.php 108 2008-09-05 17:00:05Z svollbehr $
*/
/**#@+ @ignore */
require_once("ASF/Object.php");
/**#@-*/
/**
* The <i>Content Encryption Object</i> lets authors protect content by using
* Microsoft® Digital Rights Manager version 1.
*
* @package php-reader
* @subpackage ASF
* @author Sven Vollbehr <svollbehr@gmail.com>
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
* @version $Rev: 108 $
*/
final class ASF_Object_ContentEncryption extends ASF_Object
{
/** @var string */
private $_secretData;
/** @var string */
private $_protectionType;
/** @var string */
private $_keyId;
/** @var string */
private $_licenseUrl;
/**
* Constructs the class with given parameters and reads object related data
* from the ASF file.
*
* @param Reader $reader The reader object.
* @param Array $options The options array.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
$secretDataLength = $this->_reader->readUInt32LE();
$this->_secretData = $this->_reader->read($secretDataLength);
$protectionTypeLength = $this->_reader->readUInt32LE();
$this->_protectionType = $this->_reader->readString8($protectionTypeLength);
$keyIdLength = $this->_reader->readUInt32LE();
$this->_keyId = $this->_reader->readString8($keyIdLength);
$licenseUrlLength = $this->_reader->readUInt32LE();
$this->_licenseUrl = $this->_reader->readString8($licenseUrlLength);
}
/**
* Returns the secret data.
*
* @return string
*/
public function getSecretData() { return $this->_secretData; }
/**
* Returns the type of protection mechanism used. The value of this field
* is set to "DRM".
*
* @return string
*/
public function getProtectionType() { return $this->_protectionType; }
/**
* Returns the key ID used.
*
* @return string
*/
public function getKeyId() { return $this->_keyId; }
/**
* Returns the URL from which a license to manipulate the content can be
* acquired.
*
* @return string
*/
public function getLicenseUrl() { return $this->_licenseUrl; }
}
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