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\Enum;
+
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+use TYPO3\CMS\Core\Log\LogManager;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Enumeration for DuplicationBehavior
+ */
+enum DuplicationBehavior: string
+{
+    /**
+     * If a file is uploaded and another file with
+     * the same name already exists, the new file
+     * is renamed.
+     */
+    case RENAME = 'rename';
+
+    /**
+     * If a file is uploaded and another file with
+     * the same name already exists, the old file
+     * gets overwritten by the new file.
+     */
+    case REPLACE = 'replace';
+
+    /**
+     * If a file is uploaded and another file with
+     * the same name already exists, the process is
+     * aborted.
+     */
+    case CANCEL = 'cancel';
+
+    /**
+     * Return the default duplication behaviour action, set in TSconfig
+     */
+    public static function getDefaultDuplicationBehaviour(?BackendUserAuthentication $backendUserAuthentication = null): DuplicationBehavior
+    {
+        if ($backendUserAuthentication === null) {
+            return self::CANCEL;
+        }
+        $defaultAction = $backendUserAuthentication->getTSConfig()['options.']['file_list.']['uploader.']['defaultAction'] ?? '';
+
+        if ($defaultAction === '') {
+            return self::CANCEL;
+        }
+
+        $duplicationBehavior = self::tryFrom($defaultAction);
+        if ($duplicationBehavior !== null) {
+            return $duplicationBehavior;
+        }
+
+        GeneralUtility::makeInstance(LogManager::class)
+            ->getLogger(__CLASS__)
+            ->warning('TSConfig: options.file_list.uploader.defaultAction contains an invalid value ("{value}"), fallback to default value: "{default}"', [
+                'value' => $defaultAction,
+                'default' => self::CANCEL->value,
+            ]);
+
+        return self::CANCEL;
+    }
+}