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typo3/sysext/adminpanel/Classes/Controller/AjaxController.php

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+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\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\ServerRequestInterface;
+use TYPO3\CMS\Adminpanel\Service\ConfigurationService;
+use TYPO3\CMS\Adminpanel\Service\ModuleLoader;
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+use TYPO3\CMS\Core\Http\JsonResponse;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Admin Panel Ajax Controller - Route endpoint for ajax actions
+ *
+ * @internal
+ */
+class AjaxController
+{
+    /**
+     * @var array
+     */
+    protected $adminPanelModuleConfiguration;
+
+    /**
+     * @var ModuleLoader
+     */
+    protected $moduleLoader;
+
+    /**
+     * @var ConfigurationService
+     */
+    private $configurationService;
+
+    /**
+     * @param ConfigurationService $configurationService
+     * @param ModuleLoader $moduleLoader
+     */
+    public function __construct(ConfigurationService $configurationService = null, ModuleLoader $moduleLoader = null)
+    {
+        $this->configurationService = $configurationService
+                                      ??
+                                      GeneralUtility::makeInstance(ConfigurationService::class);
+        $this->adminPanelModuleConfiguration = $GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['adminpanel']['modules'] ?? [];
+        $this->moduleLoader = $moduleLoader ?? GeneralUtility::makeInstance(ModuleLoader::class);
+    }
+
+    /**
+     * Save adminPanel data
+     *
+     * @param ServerRequestInterface $request
+     * @return JsonResponse
+     */
+    public function saveDataAction(ServerRequestInterface $request): JsonResponse
+    {
+        $this->configurationService->saveConfiguration(
+            $this->moduleLoader->validateSortAndInitializeModules($this->adminPanelModuleConfiguration),
+            $request
+        );
+        return new JsonResponse(['success' => true]);
+    }
+
+    /**
+     * Toggle admin panel active state via UC
+     *
+     * @return JsonResponse
+     */
+    public function toggleActiveState(): JsonResponse
+    {
+        $backendUser = $this->getBackendUser();
+        if ($backendUser->uc['AdminPanel']['display_top'] ?? false) {
+            $backendUser->uc['AdminPanel']['display_top'] = false;
+        } else {
+            $backendUser->uc['AdminPanel']['display_top'] = true;
+        }
+        $backendUser->writeUC();
+        return new JsonResponse(['success' => true]);
+    }
+
+    /**
+     * Returns the current BE user.
+     *
+     * @return BackendUserAuthentication
+     */
+    protected function getBackendUser(): BackendUserAuthentication
+    {
+        return $GLOBALS['BE_USER'];
+    }
+}