Initial service DAV module

lib/Controllers/DavController.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KTXM\ServiceDav\Controllers;
+
+use KTXC\Http\Request\Request;
+use KTXC\Http\Response\Response;
+use KTXF\Controller\ControllerAbstract;
+use KTXF\Routing\Attributes\AnonymousPrefixRoute;
+use KTXM\ServiceDav\DavServer;
+
+/**
+ * Entry-point controller for all WebDAV / CalDAV / CardDAV requests.
+ *
+ * The route is registered with absolute: true so that the path is /dav/ (not
+ * /m/service_dav/dav/).  Authentication is intentionally left anonymous at the
+ * KTXC framework level because sabre's own Auth plugin — which supports both
+ * HTTP Basic (for DAV clients) and the existing JWT session (for browser-based
+ * access) — handles all credential validation.
+ */
+class DavController extends ControllerAbstract
+{
+    /** All HTTP methods that any compliant DAV client may issue. */
+    private const DAV_METHODS = [
+        'GET', 'OPTIONS', 'POST', 'PUT', 'DELETE',
+        'PROPFIND', 'PROPPATCH', 'MKCOL', 'COPY', 'MOVE',
+        'LOCK', 'UNLOCK', 'REPORT', 'ACL',
+    ];
+
+    public function __construct(
+        private readonly DavServer $davServer,
+    ) {}
+
+    #[AnonymousPrefixRoute('/dav/', name: 'service.dav', methods: self::DAV_METHODS, absolute: true)]
+    public function handle(Request $request): Response
+    {
+        return $this->davServer->process($request);
+    }
+}