124 lines
4.4 KiB
PHP
124 lines
4.4 KiB
PHP
<?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\Resource;
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use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
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use TYPO3\CMS\Backend\Utility\BackendUtility;
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
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use TYPO3\CMS\Core\EventDispatcher\EventDispatcher;
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use TYPO3\CMS\Core\Resource\Event\AfterDefaultUploadFolderWasResolvedEvent;
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use TYPO3\CMS\Core\Resource\Exception\FolderDoesNotExistException;
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/**
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* Finds the best matching upload folder for a specific backend user
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* when uploading or selecting files, based on UserTSconfig or PageTSconfig
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*/
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#[Autoconfigure(public: true)]
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readonly class DefaultUploadFolderResolver
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{
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public function __construct(
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protected ResourceFactory $resourceFactory,
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protected EventDispatcher $eventDispatcher,
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) {}
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public function resolve(BackendUserAuthentication $user, ?int $pid = null, ?string $table = null, ?string $field = null): Folder|bool
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{
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$uploadFolder = $this->getDefaultUploadFolderForUser($user);
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$uploadFolder = $this->getDefaultUploadFolderForPage($pid) ?? $uploadFolder;
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$uploadFolder = $this->eventDispatcher->dispatch(
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new AfterDefaultUploadFolderWasResolvedEvent($uploadFolder, $pid, $table, $field)
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)->getUploadFolder() ?? $uploadFolder;
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$uploadFolder = $uploadFolder ?? $this->getDefaultUploadFolder($user);
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return $uploadFolder instanceof Folder ? $uploadFolder : false;
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}
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public function getDefaultUploadFolderForUser(BackendUserAuthentication $backendUser): ?Folder
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{
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$uploadFolder = $backendUser->getTSConfig()['options.']['defaultUploadFolder'] ?? '';
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return $this->resolveFolder($uploadFolder);
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}
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public function getDefaultUploadFolderForPage(?int $pid): ?Folder
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{
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$uploadFolder = BackendUtility::getPagesTSconfig($pid)['options.']['defaultUploadFolder'] ?? '';
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return $this->resolveFolder($uploadFolder);
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}
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protected function resolveFolder(string $uploadPath): ?Folder
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{
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$uploadFolder = null;
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if ($uploadPath) {
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try {
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$uploadFolder = $this->resourceFactory->getFolderObjectFromCombinedIdentifier($uploadPath);
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} catch (FolderDoesNotExistException $e) {
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}
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}
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return $uploadFolder;
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}
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/**
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* Detects the first default folder of the first storage that the backend user has access to.
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* If the default storage is not available, all other storages are then checked as well.
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*
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* @param BackendUserAuthentication $backendUser
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* @return Folder|null
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*/
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protected function getDefaultUploadFolder(BackendUserAuthentication $backendUser): ?Folder
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{
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$uploadFolder = null;
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foreach ($backendUser->getFileStorages() as $storage) {
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if ($storage->isDefault() && $storage->isWritable()) {
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try {
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$uploadFolder = $storage->getDefaultFolder();
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if ($uploadFolder->checkActionPermission('write')) {
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break;
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}
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$uploadFolder = null;
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} catch (Exception $folderAccessException) {
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// If the folder is not accessible (no permissions / does not exist) we skip this one.
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}
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break;
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}
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}
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if (!$uploadFolder instanceof Folder) {
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foreach ($backendUser->getFileStorages() as $storage) {
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if ($storage->isWritable()) {
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try {
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$uploadFolder = $storage->getDefaultFolder();
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if ($uploadFolder->checkActionPermission('write')) {
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break;
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}
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$uploadFolder = null;
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} catch (Exception $folderAccessException) {
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// If the folder is not accessible (no permissions / does not exist) try the next one.
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}
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}
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}
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}
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return $uploadFolder;
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}
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}
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