Add well known handlers API

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

1 files changed, 67 insertions, 0 deletions

diff --git a/core/Controller/WellKnownController.php b/core/Controller/WellKnownController.php
new file mode 100644
index 00000000000..1d45e87569b
--- /dev/null
+++ b/core/Controller/WellKnownController.php
@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * @copyright 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2020 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OC\Core\Controller;
+
+use OC\Http\WellKnown\RequestManager;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\JSONResponse;
+use OCP\AppFramework\Http\Response;
+use OCP\IRequest;
+
+class WellKnownController extends Controller {
+
+	/** @var RequestManager */
+	private $requestManager;
+
+	public function __construct(IRequest $request,
+								RequestManager $wellKnownManager) {
+		parent::__construct('core', $request);
+		$this->requestManager = $wellKnownManager;
+	}
+
+	/**
+	 * @PublicPage
+	 * @NoCSRFRequired
+	 *
+	 * @return Response
+	 */
+	public function handle(string $service): Response {
+		$response = $this->requestManager->process(
+			$service,
+			$this->request
+		);
+
+		if ($response === null) {
+			$httpResponse = new JSONResponse(["message" => "$service not supported"], Http::STATUS_NOT_FOUND);
+		} else {
+			$httpResponse = $response->toHttpResponse();
+		}
+
+		// We add a custom header so that setup checks can detect if their requests are answered by this controller
+		return $httpResponse->addHeader('X-NEXTCLOUD-WELL-KNOWN', '1');
+	}
+}