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<?php |
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declare(strict_types=1); |
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namespace TYPO3\PharStreamWrapper\Phar; |
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/* |
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* This file is part of the TYPO3 project. |
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* |
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* It is free software; you can redistribute it and/or modify it under the terms |
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* of the MIT License (MIT). For the full copyright and license information, |
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* please read the LICENSE file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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class Manifest |
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{ |
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/** |
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* @param string $content |
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* @return self |
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* @see http://php.net/manual/en/phar.fileformat.phar.php |
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*/ |
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public static function fromContent(string $content): self |
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{ |
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$target = new static(); |
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$target->manifestLength = Reader::resolveFourByteLittleEndian($content, 0); |
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$target->amountOfFiles = Reader::resolveFourByteLittleEndian($content, 4); |
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$target->flags = Reader::resolveFourByteLittleEndian($content, 10); |
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$target->aliasLength = Reader::resolveFourByteLittleEndian($content, 14); |
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$target->alias = substr($content, 18, $target->aliasLength); |
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$target->metaDataLength = Reader::resolveFourByteLittleEndian($content, 18 + $target->aliasLength); |
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$target->metaData = substr($content, 22 + $target->aliasLength, $target->metaDataLength); |
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$apiVersionNibbles = Reader::resolveTwoByteBigEndian($content, 8); |
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$target->apiVersion = implode('.', [ |
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($apiVersionNibbles & 0xf000) >> 12, |
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($apiVersionNibbles & 0x0f00) >> 8, |
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($apiVersionNibbles & 0x00f0) >> 4, |
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]); |
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return $target; |
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} |
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/** |
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* @var int |
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*/ |
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private $manifestLength; |
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/** |
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* @var int |
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*/ |
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private $amountOfFiles; |
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/** |
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* @var string |
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*/ |
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private $apiVersion; |
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/** |
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* @var int |
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*/ |
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private $flags; |
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/** |
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* @var int |
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*/ |
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private $aliasLength; |
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/** |
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* @var string |
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*/ |
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private $alias; |
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/** |
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* @var int |
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*/ |
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private $metaDataLength; |
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/** |
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* @var string |
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*/ |
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private $metaData; |
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/** |
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* Avoid direct instantiation. |
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*/ |
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private function __construct() |
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{ |
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} |
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/** |
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* @return int |
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*/ |
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public function getManifestLength(): int |
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{ |
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return $this->manifestLength; |
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} |
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/** |
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* @return int |
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*/ |
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public function getAmountOfFiles(): int |
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{ |
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return $this->amountOfFiles; |
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} |
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/** |
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* @return string |
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*/ |
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public function getApiVersion(): string |
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{ |
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return $this->apiVersion; |
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} |
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/** |
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* @return int |
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*/ |
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public function getFlags(): int |
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{ |
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return $this->flags; |
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} |
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/** |
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* @return int |
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*/ |
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public function getAliasLength(): int |
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{ |
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return $this->aliasLength; |
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} |
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/** |
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* @return string |
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*/ |
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public function getAlias(): string |
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{ |
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return $this->alias; |
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} |
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/** |
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* @return int |
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*/ |
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public function getMetaDataLength(): int |
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{ |
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return $this->metaDataLength; |
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} |
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/** |
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* @return string |
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*/ |
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public function getMetaData(): string |
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{ |
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return $this->metaData; |
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} |
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/** |
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* @return mixed|null |
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*/ |
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public function deserializeMetaData() |
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{ |
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if (empty($this->metaData)) { |
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return null; |
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} |
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$result = unserialize($this->metaData, ['allowed_classes' => false]); |
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$serialized = json_encode($result); |
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if (strpos($serialized, '__PHP_Incomplete_Class_Name') !== false) { |
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throw new DeserializationException( |
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'Meta-data contains serialized object', |
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1539623382 |
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); |
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} |
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return $result; |
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} |
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} |
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