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typo3/sysext/install/Classes/Controller/LoginController.php

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+<?php
+declare(strict_types = 1);
+namespace TYPO3\CMS\Install\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\Core\FormProtection\FormProtectionFactory;
+use TYPO3\CMS\Core\FormProtection\InstallToolFormProtection;
+use TYPO3\CMS\Core\Http\JsonResponse;
+use TYPO3\CMS\Install\Service\EnableFileService;
+
+/**
+ * Login controller
+ * @internal This class is a specific controller implementation and is not considered part of the Public TYPO3 API.
+ */
+class LoginController extends AbstractController
+{
+    /**
+     * Render the "Create an "enable install tool file" action
+     *
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function showEnableInstallToolFileAction(ServerRequestInterface $request): ResponseInterface
+    {
+        $view = $this->initializeStandaloneView($request, 'Login/ShowEnableInstallToolFile.html');
+        return new JsonResponse([
+            'success' => true,
+            'html' => $view->render(),
+        ]);
+    }
+
+    /**
+     * Render login view
+     *
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function showLoginAction(ServerRequestInterface $request): ResponseInterface
+    {
+        $formProtection = FormProtectionFactory::get(InstallToolFormProtection::class);
+        $view = $this->initializeStandaloneView($request, 'Login/ShowLogin.html');
+        $view->assignMultiple([
+            'siteName' => $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'],
+            'loginToken' => $formProtection->generateToken('installTool', 'login'),
+            'installToolEnableFilePermanent' => EnableFileService::isInstallToolEnableFilePermanent(),
+        ]);
+        return new JsonResponse([
+            'success' => true,
+            'html' => $view->render(),
+        ]);
+    }
+}