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typo3/sysext/backend/Classes/Controller/ContextMenuController.php

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+<?php
+declare(strict_types = 1);
+namespace TYPO3\CMS\Backend\Controller;
+
+/*
+ * 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!
+ */
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use TYPO3\CMS\Backend\Clipboard\Clipboard;
+use TYPO3\CMS\Backend\ContextMenu\ContextMenu;
+use TYPO3\CMS\Core\Http\JsonResponse;
+use TYPO3\CMS\Core\Localization\LanguageService;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Script Class for the Context Sensitive Menu in TYPO3
+ * @internal This class is a specific Backend controller implementation and is not considered part of the Public TYPO3 API.
+ */
+class ContextMenuController
+{
+    /**
+     * Constructor
+     */
+    public function __construct()
+    {
+        $this->getLanguageService()->includeLLFile('EXT:core/Resources/Private/Language/locallang_misc.xlf');
+    }
+
+    /**
+     * Renders a context menu
+     *
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function getContextMenuAction(ServerRequestInterface $request): ResponseInterface
+    {
+        $contextMenu = GeneralUtility::makeInstance(ContextMenu::class);
+
+        $params = $request->getQueryParams();
+        $context = $params['context'] ?? '';
+        $items = $contextMenu->getItems($params['table'], $params['uid'], $context);
+        if (!is_array($items)) {
+            $items = [];
+        }
+        return (new JsonResponse())->setPayload($items);
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function clipboardAction(ServerRequestInterface $request): ResponseInterface
+    {
+        /** @var Clipboard $clipboard */
+        $clipboard = GeneralUtility::makeInstance(Clipboard::class);
+        $clipboard->initializeClipboard();
+        $clipboard->lockToNormal();
+
+        $clipboard->setCmd($request->getQueryParams()['CB']);
+        $clipboard->cleanCurrent();
+
+        $clipboard->endClipboard();
+        return (new JsonResponse())->setPayload([]);
+    }
+
+    /**
+     * Returns LanguageService
+     *
+     * @return LanguageService
+     */
+    protected function getLanguageService(): LanguageService
+    {
+        return $GLOBALS['LANG'];
+    }
+}