StoragePermissionsAspect.php

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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\Resource\Security;
 
use Psr\Http\Message\ServerRequestInterface;
use ‪TYPO3\CMS\Core\Http\ApplicationType;
use ‪TYPO3\CMS\Core\Resource\Event\AfterResourceStorageInitializationEvent;
use ‪TYPO3\CMS\Core\Resource\Exception\FolderDoesNotExistException;
use ‪TYPO3\CMS\Core\Resource\ResourceStorage;
 
final class ‪StoragePermissionsAspect
{
    public function ‪addUserPermissionsToStorage(‪AfterResourceStorageInitializationEvent $event): void
    {
        $storage = $event->‪getStorage();
        if ((‪$GLOBALS['TYPO3_REQUEST'] ?? null) instanceof ServerRequestInterface
            && ‪ApplicationType::fromRequest(‪$GLOBALS['TYPO3_REQUEST'])->isBackend()
            && !‪$GLOBALS['BE_USER']->isAdmin()
            && !$storage->isFallbackStorage()
        ) {
            $storage->setEvaluatePermissions(true);
            $storage->setUserPermissions(‪$GLOBALS['BE_USER']->getFilePermissionsForStorage($storage));
            $this->‪addFileMountsToStorage($storage);
        }
    }
 
    private function ‪addFileMountsToStorage(‪ResourceStorage $storage)
    {
        foreach (‪$GLOBALS['BE_USER']->getFileMountRecords() as $fileMountRow) {
            if ((int)$fileMountRow['base'] === (int)$storage->‪getUid()) {
                try {
                    $storage->‪addFileMount($fileMountRow['path'], $fileMountRow);
                } catch (‪FolderDoesNotExistException $e) {
                    // That file mount does not seem to be valid, fail silently
                }
            }
        }
    }
}