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