TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:31 +02:00
commit 3e43c11539
407 changed files with 51272 additions and 0 deletions
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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\Install\Middleware;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use TYPO3\CMS\Core\Http\ResponseFactory;
+use TYPO3\CMS\Core\Http\StreamFactory;
+use TYPO3\CMS\Core\Localization\JavaScriptLanguageDomainProvider as CoreJavaScriptLanguageDomainProvider;
+use TYPO3\CMS\Core\Localization\LanguageServiceFactory;
+use TYPO3\CMS\Core\Localization\TranslationDomainResolver;
+
+/**
+ * @internal
+ */
+final readonly class JavaScriptLanguageDomainProvider implements MiddlewareInterface
+{
+    public function __construct(
+        private LanguageServiceFactory $languageServiceFactory,
+        private TranslationDomainResolver $translationDomainResolver,
+    ) {}
+
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $data = $request->getQueryParams()['install'] ?? [];
+        if (!is_array($data)
+            || ($data['action'] ?? null) !== 'labels'
+            || !is_string(($data['domain'] ?? null))
+        ) {
+            return $handler->handle($request);
+        }
+        $domain = $data['domain'];
+        $locale = 'en';
+
+        // Only labels from core/backend/install are allowed to
+        // disallow enumeration of available extensions
+        $isValidDomain = (
+            str_starts_with($domain, 'core.')
+            || str_starts_with($domain, 'backend.')
+            || str_starts_with($domain, 'install.')
+        );
+        if (!$isValidDomain) {
+            return (new ResponseFactory())->createResponse(403);
+        }
+
+        $provider = new CoreJavaScriptLanguageDomainProvider(
+            $this->languageServiceFactory,
+            $this->translationDomainResolver,
+            new ResponseFactory(),
+            new StreamFactory(),
+        );
+
+        return $provider->createLanguageDomainResponse($domain, $locale);
+    }
+}