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\LinkHandling;
+
+use TYPO3\CMS\Core\Resource\Exception\FolderDoesNotExistException;
+use TYPO3\CMS\Core\Resource\Exception\InsufficientFolderAccessPermissionsException;
+use TYPO3\CMS\Core\Resource\Folder;
+use TYPO3\CMS\Core\Resource\ResourceFactory;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Interface for classes which are transforming a tag link hrefs for folders, in order to
+ * use FAL to store them in database, which means that folders can be moved in the fileadmin
+ * without breaking folder links in the frontend/backend
+ */
+class FolderLinkHandler implements LinkHandlingInterface
+{
+    protected string $baseUrn = 't3://folder';
+
+    protected ?ResourceFactory $resourceFactory = null;
+
+    /**
+     * Returns a link notation to a folder
+     */
+    public function asString(array $parameters): string
+    {
+        if (!($parameters['folder'] ?? null) instanceof Folder) {
+            return '';
+        }
+        // the magic with prepending slash if it is missing will not work on windows
+        return $this->baseUrn . '?storage=' . $parameters['folder']->getStorage()->getUid()
+        . '&identifier=' . urlencode('/' . ltrim($parameters['folder']->getIdentifier(), '/'));
+    }
+
+    /**
+     * Get a folder object inside the array data from the string
+     *
+     * @param array $data with the "folder" property containing a Folder object
+     */
+    public function resolveHandlerData(array $data): array
+    {
+        $combinedIdentifier = ($data['storage'] ?? '0') . ':' . $data['identifier'];
+        try {
+            $folder = $this->getResourceFactory()->getFolderObjectFromCombinedIdentifier($combinedIdentifier);
+        } catch (FolderDoesNotExistException|InsufficientFolderAccessPermissionsException $e) {
+            $folder = null;
+        }
+        return ['folder' => $folder];
+    }
+
+    /**
+     * Initializes the resource factory (only once)
+     */
+    protected function getResourceFactory(): ResourceFactory
+    {
+        if (!$this->resourceFactory) {
+            $this->resourceFactory = GeneralUtility::makeInstance(ResourceFactory::class);
+        }
+        return $this->resourceFactory;
+    }
+}