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\Module;
+
+use Psr\Http\Message\ServerRequestInterface;
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+
+/**
+ * Resolves the current module from a request.
+ *
+ * This service provides a centralized way to determine which backend module
+ * is currently active based on various request attributes and parameters.
+ *
+ * @internal This class is not part of TYPO3's public API.
+ */
+final readonly class ModuleResolver
+{
+    public function __construct(
+        private ModuleProvider $moduleProvider,
+    ) {}
+
+    /**
+     * Resolves the current module from a request.
+     *
+     * Checks multiple sources in order:
+     * 1. Routing attribute (from route configuration)
+     * 2. Request attribute 'module'
+     * 3. Query parameter 'module'
+     *
+     * @param ServerRequestInterface|null $request The current request
+     * @return ModuleInterface|null The resolved module or null if not found
+     */
+    public function resolveModule(?ServerRequestInterface $request): ?ModuleInterface
+    {
+        if ($request === null) {
+            return null;
+        }
+
+        // Check routing attribute first
+        $routeResult = $request->getAttribute('routing');
+        $currentModule = $routeResult?->getRoute()?->getOption('module');
+        if ($currentModule !== null) {
+            return $currentModule;
+        }
+
+        // Check request attribute
+        $currentModule = $request->getAttribute('module');
+        if ($currentModule !== null) {
+            return $currentModule;
+        }
+
+        // Check query parameter
+        if (isset($request->getQueryParams()['module'])) {
+            $module = (string)$request->getQueryParams()['module'];
+            return $this->moduleProvider->getModule($module, $this->getBackendUser());
+        }
+
+        return null;
+    }
+
+    private function getBackendUser(): BackendUserAuthentication
+    {
+        return $GLOBALS['BE_USER'];
+    }
+}