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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the TYPO3 CMS project. |
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* |
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* It is free software; you can redistribute it and/or modify it under |
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* the terms of the GNU General Public License, either version 2 |
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* of the License, or any later version. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.txt 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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namespace TYPO3\CMS\Core\Controller; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use TYPO3\CMS\Core\Http\Response; |
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use TYPO3\CMS\Core\Imaging\ImageManipulation\CropVariantCollection; |
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use TYPO3\CMS\Core\Resource\Exception\FileDoesNotExistException; |
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use TYPO3\CMS\Core\Resource\File; |
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use TYPO3\CMS\Core\Resource\FileInterface; |
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use TYPO3\CMS\Core\Resource\FileReference; |
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use TYPO3\CMS\Core\Resource\Hook\FileDumpEIDHookInterface; |
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use TYPO3\CMS\Core\Resource\ProcessedFile; |
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use TYPO3\CMS\Core\Resource\ProcessedFileRepository; |
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use TYPO3\CMS\Core\Resource\ResourceFactory; |
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use TYPO3\CMS\Core\Resource\Security\FileNameValidator; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* Class FileDumpController |
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*/ |
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class FileDumpController |
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{ |
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/** |
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* @var ResourceFactory |
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*/ |
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protected $resourceFactory; |
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public function __construct(ResourceFactory $resourceFactory) |
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{ |
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$this->resourceFactory = $resourceFactory; |
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} |
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/** |
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* Main method to dump a file |
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* |
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* @param ServerRequestInterface $request |
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* @return ResponseInterface |
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* @throws \InvalidArgumentException |
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* @throws \RuntimeException |
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* @throws FileDoesNotExistException |
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* @throws \UnexpectedValueException |
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*/ |
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public function dumpAction(ServerRequestInterface $request): ResponseInterface |
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{ |
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$parameters = $this->buildParametersFromRequest($request); |
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if (!$this->isTokenValid($parameters, $request)) { |
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return (new Response())->withStatus(403); |
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} |
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$file = $this->createFileObjectByParameters($parameters); |
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if ($file === null) { |
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return (new Response())->withStatus(404); |
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} |
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// Hook: allow some other process to do some security/access checks. Hook should return 403 response if access is rejected, void otherwise |
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foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['FileDumpEID.php']['checkFileAccess'] ?? [] as $className) { |
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$hookObject = GeneralUtility::makeInstance($className); |
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if (!$hookObject instanceof FileDumpEIDHookInterface) { |
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throw new \UnexpectedValueException($className . ' must implement interface ' . FileDumpEIDHookInterface::class, 1394442417); |
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} |
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$response = $hookObject->checkFileAccess($file); |
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if ($response instanceof ResponseInterface) { |
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return $response; |
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} |
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} |
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$processingInstructions = []; |
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// Apply cropping, if possible |
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if (!empty($parameters['cv'])) { |
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$cropVariant = $parameters['cv']; |
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$cropString = $file instanceof FileReference ? $file->getProperty('crop') : ''; |
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$cropArea = CropVariantCollection::create((string)$cropString)->getCropArea($cropVariant); |
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$processingInstructions = array_merge( |
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$processingInstructions, |
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[ |
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'crop' => $cropArea->isEmpty() ? null : $cropArea->makeAbsoluteBasedOnFile($file), |
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] |
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); |
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} |
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// Apply width/height, if given |
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if (!empty($parameters['s'])) { |
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$size = GeneralUtility::trimExplode(':', $parameters['s']); |
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$processingInstructions = array_merge( |
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$processingInstructions, |
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[ |
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'width' => $size[0] ?? null, |
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'height' => $size[1] ?? null, |
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'minWidth' => $size[2] ? (int)$size[2] : null, |
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'minHeight' => $size[3] ? (int)$size[3] : null, |
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'maxWidth' => $size[4] ? (int)$size[4] : null, |
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'maxHeight' => $size[5] ? (int)$size[5] : null |
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] |
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); |
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} |
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if (!empty($processingInstructions) && !($file instanceof ProcessedFile)) { |
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if (is_callable([$file, 'getOriginalFile'])) { |
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// Get the original file from the file reference |
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$file = $file->getOriginalFile(); |
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} |
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$file = $file->process(ProcessedFile::CONTEXT_IMAGECROPSCALEMASK, $processingInstructions); |
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} |
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return $file->getStorage()->streamFile($file); |
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} |
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protected function buildParametersFromRequest(ServerRequestInterface $request): array |
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{ |
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$parameters = ['eID' => 'dumpFile']; |
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$queryParams = $request->getQueryParams(); |
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// Identifier of what to process. f, r or p |
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// Only needed while hash_equals |
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$t = (string)($queryParams['t'] ?? ''); |
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if ($t) { |
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$parameters['t'] = $t; |
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} |
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// sys_file |
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$f = (string)($queryParams['f'] ?? ''); |
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if ($f) { |
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$parameters['f'] = (int)$f; |
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} |
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// sys_file_reference |
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$r = (string)($queryParams['r'] ?? ''); |
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if ($r) { |
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$parameters['r'] = (int)$r; |
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} |
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// Processed file |
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$p = (string)($queryParams['p'] ?? ''); |
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if ($p) { |
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$parameters['p'] = (int)$p; |
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} |
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// File's width and height in this order: w:h:minW:minH:maxW:maxH |
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$s = (string)($queryParams['s'] ?? ''); |
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if ($s) { |
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$parameters['s'] = $s; |
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} |
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// File's crop variant |
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$v = (string)($queryParams['cv'] ?? ''); |
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if ($v) { |
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$parameters['cv'] = (string)$v; |
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} |
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return $parameters; |
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} |
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protected function isTokenValid(array $parameters, ServerRequestInterface $request): bool |
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{ |
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return hash_equals( |
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GeneralUtility::hmac(implode('|', $parameters), 'resourceStorageDumpFile'), |
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$request->getQueryParams()['token'] ?? '' |
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); |
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} |
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/** |
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* @param array $parameters |
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* @return File|FileReference|ProcessedFile|null |
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*/ |
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protected function createFileObjectByParameters(array $parameters) |
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{ |
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$file = null; |
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if (isset($parameters['f'])) { |
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try { |
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$file = $this->resourceFactory->getFileObject($parameters['f']); |
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if ($file->isDeleted() || $file->isMissing()) { |
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$file = null; |
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} |
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if (!$this->isFileValid($file)) { |
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$file = null; |
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} |
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} catch (\Exception $e) { |
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$file = null; |
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} |
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} elseif (isset($parameters['r'])) { |
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try { |
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$file = $this->resourceFactory->getFileReferenceObject($parameters['r']); |
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if ($file->isMissing()) { |
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$file = null; |
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} |
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if (!$this->isFileValid($file->getOriginalFile())) { |
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$file = null; |
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} |
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} catch (\Exception $e) { |
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$file = null; |
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} |
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} elseif (isset($parameters['p'])) { |
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try { |
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$processedFileRepository = GeneralUtility::makeInstance(ProcessedFileRepository::class); |
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/** @var ProcessedFile|null $file */ |
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$file = $processedFileRepository->findByUid($parameters['p']); |
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if (!$file || $file->isDeleted()) { |
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$file = null; |
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} |
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if (!$this->isFileValid($file->getOriginalFile())) { |
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$file = null; |
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} |
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} catch (\Exception $e) { |
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$file = null; |
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} |
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} |
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return $file; |
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} |
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protected function isFileValid(FileInterface $file): bool |
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{ |
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return $file->getStorage()->getDriverType() !== 'Local' |
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|| GeneralUtility::makeInstance(FileNameValidator::class) |
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->isValid(basename($file->getIdentifier())); |
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} |
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} |
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TYPO3 /
TYPO3.CMS
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This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.