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<?php
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Package\Cache;
use Composer\Util\Filesystem;
/**
* TYPO3 Package "cache" for Composer mode.
* This class is used in two contexts:
* During Composer build time the artifact is stored
* and during TYPO3 runtime the artifact is only read.
* The context is decided on object construction.
*
* @internal This class is an implementation detail and does not represent public API
*/
class ComposerPackageArtifact implements PackageCacheInterface
{
/**
* Location of the file inside the var folder
*/
private const ARTIFACTS_FILE = '/PackageArtifact.php';
/**
* Full filesystem path to the file
*/
private string $packageArtifactsFile;
/**
* The cache entry generated from the artifact
*/
private PackageCacheEntry $cacheEntry;
/**
* Composer filesystem, provided during Composer build time
*/
private ?Filesystem $filesystem;
/**
* The cache identifier that is stored alongside the artifact
* and used as part of TYPO3 cache identifiers
*/
private ?string $cacheIdentifier;
public function __construct(string $packageArtifactsPath, ?Filesystem $filesystem = null, string $cacheIdentifier = null)
{
$this->packageArtifactsFile = $packageArtifactsPath . self::ARTIFACTS_FILE;
$this->filesystem = $filesystem;
$this->cacheIdentifier = $cacheIdentifier;
}
public function fetch(): PackageCacheEntry
{
if ($this->isComposerBuildContext()) {
throw new \RuntimeException('Can not load package states during generation', 1629820498);
}
if (isset($this->cacheEntry)) {
return $this->cacheEntry;
}
$packageData = @include $this->packageArtifactsFile;
if (!$packageData) {
throw new \RuntimeException('Package artifact not found. Run "composer install" to create it.', 1629819799);
}
return $this->cacheEntry = PackageCacheEntry::fromCache($packageData);
}
public function store(PackageCacheEntry $cacheEntry): void
{
if (!$this->isComposerBuildContext()) {
throw new \RuntimeException('Can not modify package states in Composer mode', 1629819858);
}
$this->filesystem->ensureDirectoryExists(dirname($this->packageArtifactsFile));
file_put_contents($this->packageArtifactsFile, '<?php' . PHP_EOL . 'return ' . PHP_EOL . $cacheEntry->withIdentifier($this->cacheIdentifier)->serialize() . ';');
}
public function invalidate(): void
{
throw new \RuntimeException('Can not modify package states in Composer mode', 1629824596);
}
public function getIdentifier(): string
{
if (!isset($this->cacheEntry)) {
$this->fetch();
}
return $this->cacheEntry->getIdentifier();
}
private function isComposerBuildContext(): bool
{
return isset($this->filesystem, $this->cacheIdentifier);
}
}