TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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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;
+
+use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
+use TYPO3\CMS\Backend\Utility\BackendUtility;
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+use TYPO3\CMS\Core\EventDispatcher\EventDispatcher;
+use TYPO3\CMS\Core\Resource\Event\AfterDefaultUploadFolderWasResolvedEvent;
+use TYPO3\CMS\Core\Resource\Exception\FolderDoesNotExistException;
+
+/**
+ * Finds the best matching upload folder for a specific backend user
+ * when uploading or selecting files, based on UserTSconfig or PageTSconfig
+ */
+#[Autoconfigure(public: true)]
+readonly class DefaultUploadFolderResolver
+{
+    public function __construct(
+        protected ResourceFactory $resourceFactory,
+        protected EventDispatcher $eventDispatcher,
+    ) {}
+
+    public function resolve(BackendUserAuthentication $user, ?int $pid = null, ?string $table = null, ?string $field = null): Folder|bool
+    {
+        $uploadFolder = $this->getDefaultUploadFolderForUser($user);
+        $uploadFolder = $this->getDefaultUploadFolderForPage($pid) ?? $uploadFolder;
+
+        $uploadFolder = $this->eventDispatcher->dispatch(
+            new AfterDefaultUploadFolderWasResolvedEvent($uploadFolder, $pid, $table, $field)
+        )->getUploadFolder() ?? $uploadFolder;
+
+        $uploadFolder = $uploadFolder ?? $this->getDefaultUploadFolder($user);
+
+        return $uploadFolder instanceof Folder ? $uploadFolder : false;
+    }
+
+    public function getDefaultUploadFolderForUser(BackendUserAuthentication $backendUser): ?Folder
+    {
+        $uploadFolder = $backendUser->getTSConfig()['options.']['defaultUploadFolder'] ?? '';
+
+        return $this->resolveFolder($uploadFolder);
+    }
+
+    public function getDefaultUploadFolderForPage(?int $pid): ?Folder
+    {
+        $uploadFolder = BackendUtility::getPagesTSconfig($pid)['options.']['defaultUploadFolder'] ?? '';
+
+        return $this->resolveFolder($uploadFolder);
+    }
+
+    protected function resolveFolder(string $uploadPath): ?Folder
+    {
+        $uploadFolder = null;
+
+        if ($uploadPath) {
+            try {
+                $uploadFolder = $this->resourceFactory->getFolderObjectFromCombinedIdentifier($uploadPath);
+            } catch (FolderDoesNotExistException $e) {
+            }
+        }
+
+        return $uploadFolder;
+    }
+
+    /**
+     * Detects the first default folder of the first storage that the backend user has access to.
+     * If the default storage is not available, all other storages are then checked as well.
+     *
+     * @param BackendUserAuthentication $backendUser
+     * @return Folder|null
+     */
+    protected function getDefaultUploadFolder(BackendUserAuthentication $backendUser): ?Folder
+    {
+        $uploadFolder = null;
+
+        foreach ($backendUser->getFileStorages() as $storage) {
+            if ($storage->isDefault() && $storage->isWritable()) {
+                try {
+                    $uploadFolder = $storage->getDefaultFolder();
+                    if ($uploadFolder->checkActionPermission('write')) {
+                        break;
+                    }
+                    $uploadFolder = null;
+                } catch (Exception $folderAccessException) {
+                    // If the folder is not accessible (no permissions / does not exist) we skip this one.
+                }
+                break;
+            }
+        }
+        if (!$uploadFolder instanceof Folder) {
+            foreach ($backendUser->getFileStorages() as $storage) {
+                if ($storage->isWritable()) {
+                    try {
+                        $uploadFolder = $storage->getDefaultFolder();
+                        if ($uploadFolder->checkActionPermission('write')) {
+                            break;
+                        }
+                        $uploadFolder = null;
+                    } catch (Exception $folderAccessException) {
+                        // If the folder is not accessible (no permissions / does not exist) try the next one.
+                    }
+                }
+            }
+        }
+        return $uploadFolder;
+    }
+}