TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:00 +02:00
commit f9941541b7
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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\Backend\Form\FormDataProvider;
+
+use TYPO3\CMS\Backend\Form\FormDataProviderInterface;
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+use TYPO3\CMS\Core\Localization\LanguageService;
+use TYPO3\CMS\Core\Messaging\FlashMessage;
+use TYPO3\CMS\Core\Messaging\FlashMessageService;
+use TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
+
+/**
+ * Special data provider for setting all fields of the current
+ * record to "readOnly" in case a non system maintainer is editing
+ * a system maintainer record.
+ */
+readonly class SystemMaintainerAsReadonly implements FormDataProviderInterface
+{
+    public function __construct(
+        private FlashMessageService $flashMessageService,
+    ) {}
+
+    public function addData(array $result): array
+    {
+        if ($result['tableName'] !== 'be_users' || $result['command'] !== 'edit') {
+            return $result;
+        }
+
+        $id = (int)$result['vanillaUid'];
+        $systemMaintainers = array_map(intval(...), $GLOBALS['TYPO3_CONF_VARS']['SYS']['systemMaintainers'] ?? []);
+        $isCurrentUserSystemMaintainer = $this->getBackendUser()->isSystemMaintainer();
+        $isTargetUserInSystemMaintainerList = in_array($id, $systemMaintainers, true);
+        if (!$isCurrentUserSystemMaintainer && $isTargetUserInSystemMaintainerList) {
+            $message = $this->getLanguageService()->sL(
+                'LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:formEngine.beUser.information.adminCanNotChangeSystemMaintainer'
+            );
+            $flashMessage = new FlashMessage(
+                $message,
+                '',
+                ContextualFeedbackSeverity::INFO
+            );
+            $this->flashMessageService->getMessageQueueByIdentifier()->enqueue($flashMessage);
+
+            foreach ($result['processedTca']['columns'] as &$fieldConfig) {
+                $fieldConfig['config']['readOnly'] = true;
+            }
+        }
+        return $result;
+    }
+
+    protected function getLanguageService(): LanguageService
+    {
+        return $GLOBALS['LANG'];
+    }
+
+    protected function getBackendUser(): BackendUserAuthentication
+    {
+        return $GLOBALS['BE_USER'];
+    }
+}