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<?php
declare(strict_types=1);
/*
* 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\Resource\Service;
use TYPO3\CMS\Core\Context\Context;
use TYPO3\CMS\Core\Context\FileProcessingAspect;
use TYPO3\CMS\Core\Locking\ResourceMutex;
use TYPO3\CMS\Core\Resource\Exception\FileAlreadyProcessedException;
use TYPO3\CMS\Core\Resource\ProcessedFile;
use TYPO3\CMS\Core\Resource\ProcessedFileRepository;
/**
* Disables deferred processing and actually processes a preprocessed processed file
*/
class ImageProcessingService
{
public function __construct(
private readonly ProcessedFileRepository $processedFileRepository,
private readonly Context $context,
private readonly ResourceMutex $locker,
) {}
public function process(int $processedFileId): ProcessedFile
{
/** @var ProcessedFile $processedFile */
$processedFile = $this->processedFileRepository->findByUid($processedFileId);
try {
$this->validateProcessedFile($processedFile);
$hadToWaitForLock = $this->locker->acquireLock(self::class, (string)$processedFileId);
if ($hadToWaitForLock) {
// Fetch the processed file again, as it might have been processed by
// another process while waiting for the lock
/** @var ProcessedFile $processedFile */
$processedFile = $this->processedFileRepository->findByUid($processedFileId);
$this->validateProcessedFile($processedFile);
}
$this->context->setAspect('fileProcessing', new FileProcessingAspect(false));
$processedFile = $processedFile->getOriginalFile()->process(
$processedFile->getTaskIdentifier(),
$processedFile->getProcessingConfiguration()
);
$this->validateProcessedFile($processedFile);
} catch (FileAlreadyProcessedException $e) {
$processedFile = $e->getProcessedFile();
} finally {
$this->locker->releaseLock(self::class);
}
return $processedFile;
}
/**
* Check whether a processed file was already processed
*
* @throws FileAlreadyProcessedException
*/
private function validateProcessedFile(ProcessedFile $processedFile): void
{
if ($processedFile->isProcessed()) {
throw new FileAlreadyProcessedException($processedFile, 1599395651);
}
}
}