Chris@18: <?php
Chris@18: namespace TYPO3\PharStreamWrapper\Phar;
Chris@18: 
Chris@18: /*
Chris@18:  * This file is part of the TYPO3 project.
Chris@18:  *
Chris@18:  * It is free software; you can redistribute it and/or modify it under the terms
Chris@18:  * of the MIT License (MIT). For the full copyright and license information,
Chris@18:  * please read the LICENSE file that was distributed with this source code.
Chris@18:  *
Chris@18:  * The TYPO3 project - inspiring people to share!
Chris@18:  */
Chris@18: 
Chris@18: use Brumann\Polyfill\Unserialize;
Chris@18: 
Chris@18: class Manifest
Chris@18: {
Chris@18:     /**
Chris@18:      * @param string $content
Chris@18:      * @return self
Chris@18:      * @see http://php.net/manual/en/phar.fileformat.phar.php
Chris@18:      */
Chris@18:     public static function fromContent($content)
Chris@18:     {
Chris@18:         $target = new static();
Chris@18:         $target->manifestLength = Reader::resolveFourByteLittleEndian($content, 0);
Chris@18:         $target->amountOfFiles = Reader::resolveFourByteLittleEndian($content, 4);
Chris@18:         $target->flags = Reader::resolveFourByteLittleEndian($content, 10);
Chris@18:         $target->aliasLength = Reader::resolveFourByteLittleEndian($content, 14);
Chris@18:         $target->alias = substr($content, 18, $target->aliasLength);
Chris@18:         $target->metaDataLength = Reader::resolveFourByteLittleEndian($content, 18 + $target->aliasLength);
Chris@18:         $target->metaData = substr($content, 22 + $target->aliasLength, $target->metaDataLength);
Chris@18: 
Chris@18:         $apiVersionNibbles = Reader::resolveTwoByteBigEndian($content, 8);
Chris@18:         $target->apiVersion = implode('.', array(
Chris@18:             ($apiVersionNibbles & 0xf000) >> 12,
Chris@18:             ($apiVersionNibbles & 0x0f00) >> 8,
Chris@18:             ($apiVersionNibbles & 0x00f0) >> 4,
Chris@18:         ));
Chris@18: 
Chris@18:         return $target;
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @var int
Chris@18:      */
Chris@18:     private $manifestLength;
Chris@18: 
Chris@18:     /**
Chris@18:      * @var int
Chris@18:      */
Chris@18:     private $amountOfFiles;
Chris@18: 
Chris@18:     /**
Chris@18:      * @var string
Chris@18:      */
Chris@18:     private $apiVersion;
Chris@18: 
Chris@18:     /**
Chris@18:      * @var int
Chris@18:      */
Chris@18:     private $flags;
Chris@18: 
Chris@18:     /**
Chris@18:      * @var int
Chris@18:      */
Chris@18:     private $aliasLength;
Chris@18: 
Chris@18:     /**
Chris@18:      * @var string
Chris@18:      */
Chris@18:     private $alias;
Chris@18: 
Chris@18:     /**
Chris@18:      * @var int
Chris@18:      */
Chris@18:     private $metaDataLength;
Chris@18: 
Chris@18:     /**
Chris@18:      * @var string
Chris@18:      */
Chris@18:     private $metaData;
Chris@18: 
Chris@18:     /**
Chris@18:      * Avoid direct instantiation.
Chris@18:      */
Chris@18:     private function __construct()
Chris@18:     {
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @return int
Chris@18:      */
Chris@18:     public function getManifestLength()
Chris@18:     {
Chris@18:         return $this->manifestLength;
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @return int
Chris@18:      */
Chris@18:     public function getAmountOfFiles()
Chris@18:     {
Chris@18:         return $this->amountOfFiles;
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @return string
Chris@18:      */
Chris@18:     public function getApiVersion()
Chris@18:     {
Chris@18:         return $this->apiVersion;
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @return int
Chris@18:      */
Chris@18:     public function getFlags()
Chris@18:     {
Chris@18:         return $this->flags;
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @return int
Chris@18:      */
Chris@18:     public function getAliasLength()
Chris@18:     {
Chris@18:         return $this->aliasLength;
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @return string
Chris@18:      */
Chris@18:     public function getAlias()
Chris@18:     {
Chris@18:         return $this->alias;
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @return int
Chris@18:      */
Chris@18:     public function getMetaDataLength()
Chris@18:     {
Chris@18:         return $this->metaDataLength;
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @return string
Chris@18:      */
Chris@18:     public function getMetaData()
Chris@18:     {
Chris@18:         return $this->metaData;
Chris@18:     }
Chris@18: 
Chris@18:     /**
Chris@18:      * @return mixed|null
Chris@18:      */
Chris@18:     public function deserializeMetaData()
Chris@18:     {
Chris@18:         if (empty($this->metaData)) {
Chris@18:             return null;
Chris@18:         }
Chris@18: 
Chris@18:         $result = Unserialize::unserialize($this->metaData, array('allowed_classes' => false));
Chris@18: 
Chris@18:         $serialized = json_encode($result);
Chris@18:         if (strpos($serialized, '__PHP_Incomplete_Class_Name') !== false) {
Chris@18:             throw new DeserializationException(
Chris@18:                 'Meta-data contains serialized object',
Chris@18:                 1539623382
Chris@18:             );
Chris@18:         }
Chris@18: 
Chris@18:         return $result;
Chris@18:     }
Chris@18: }