send request id in response header

Signed-off-by: Robin Appelman <robin@icewind.nl>

apps/dav/composer/composer/autoload_classmap.php

@@ -169,6 +169,7 @@ return array(
     'OCA\\DAV\\Connector\\Sabre\\Principal' => $baseDir . '/../lib/Connector/Sabre/Principal.php',
     'OCA\\DAV\\Connector\\Sabre\\PropfindCompressionPlugin' => $baseDir . '/../lib/Connector/Sabre/PropfindCompressionPlugin.php',
     'OCA\\DAV\\Connector\\Sabre\\QuotaPlugin' => $baseDir . '/../lib/Connector/Sabre/QuotaPlugin.php',
+    'OCA\\DAV\\Connector\\Sabre\\RequestIdHeaderPlugin' => $baseDir . '/../lib/Connector/Sabre/RequestIdHeaderPlugin.php',
     'OCA\\DAV\\Connector\\Sabre\\Server' => $baseDir . '/../lib/Connector/Sabre/Server.php',
     'OCA\\DAV\\Connector\\Sabre\\ServerFactory' => $baseDir . '/../lib/Connector/Sabre/ServerFactory.php',
     'OCA\\DAV\\Connector\\Sabre\\ShareTypeList' => $baseDir . '/../lib/Connector/Sabre/ShareTypeList.php',

apps/dav/composer/composer/autoload_static.php

@@ -184,6 +184,7 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\Connector\\Sabre\\Principal' => __DIR__ . '/..' . '/../lib/Connector/Sabre/Principal.php',
         'OCA\\DAV\\Connector\\Sabre\\PropfindCompressionPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/PropfindCompressionPlugin.php',
         'OCA\\DAV\\Connector\\Sabre\\QuotaPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/QuotaPlugin.php',
+        'OCA\\DAV\\Connector\\Sabre\\RequestIdHeaderPlugin' => __DIR__ . '/..' . '/../lib/Connector/Sabre/RequestIdHeaderPlugin.php',
         'OCA\\DAV\\Connector\\Sabre\\Server' => __DIR__ . '/..' . '/../lib/Connector/Sabre/Server.php',
         'OCA\\DAV\\Connector\\Sabre\\ServerFactory' => __DIR__ . '/..' . '/../lib/Connector/Sabre/ServerFactory.php',
         'OCA\\DAV\\Connector\\Sabre\\ShareTypeList' => __DIR__ . '/..' . '/../lib/Connector/Sabre/ShareTypeList.php',

apps/dav/lib/Connector/Sabre/RequestIdHeaderPlugin.php

@@ -0,0 +1,49 @@
+<?php declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2022 Robin Appelman <robin@icewind.nl>
+ *
+ * @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 OCA\DAV\Connector\Sabre;
+
+use OCP\IRequest;
+use Sabre\HTTP\RequestInterface;
+use Sabre\HTTP\ResponseInterface;
+
+class RequestIdHeaderPlugin extends \Sabre\DAV\ServerPlugin {
+	/** @var IRequest */
+	private $request;
+
+	public function __construct(IRequest $request) {
+		$this->request = $request;
+	}
+
+	public function initialize(\Sabre\DAV\Server $server) {
+		$server->on('afterMethod:*', [$this, 'afterMethod']);
+	}
+
+	/**
+	 * Add the request id as a header in the response
+	 *
+	 * @param RequestInterface $request request
+	 * @param ResponseInterface $response response
+	 */
+	public function afterMethod(RequestInterface $request, ResponseInterface $response) {
+		$response->setHeader('X-Request-Id', $this->request->getId());
+	}
+}

apps/dav/lib/Connector/Sabre/ServerFactory.php

@@ -130,6 +130,9 @@ class ServerFactory {
 		$server->addPlugin(new \OCA\DAV\Connector\Sabre\DummyGetResponsePlugin());
 		$server->addPlugin(new \OCA\DAV\Connector\Sabre\ExceptionLoggerPlugin('webdav', $this->logger));
 		$server->addPlugin(new \OCA\DAV\Connector\Sabre\LockPlugin());
+
+		$server->addPlugin(new RequestIdHeaderPlugin(\OC::$server->get(IRequest::class)));
+
 		// Some WebDAV clients do require Class 2 WebDAV support (locking), since
 		// we do not provide locking we emulate it using a fake locking plugin.
 		if ($this->request->isUserAgent([

apps/dav/lib/Server.php

@@ -34,6 +34,7 @@
  */
 namespace OCA\DAV;
 
+use OCA\DAV\Connector\Sabre\RequestIdHeaderPlugin;
 use Psr\Log\LoggerInterface;
 use OCA\DAV\AppInfo\PluginManager;
 use OCA\DAV\CalDAV\BirthdayService;
@@ -205,6 +206,7 @@ class Server {
 		));
 
 		$this->server->addPlugin(new CopyEtagHeaderPlugin());
+		$this->server->addPlugin(new RequestIdHeaderPlugin(\OC::$server->get(IRequest::class)));
 		$this->server->addPlugin(new ChunkingPlugin());
 
 		// allow setup of additional plugins

lib/public/AppFramework/Http/Response.php

@@ -33,6 +33,7 @@ namespace OCP\AppFramework\Http;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\IConfig;
+use OCP\IRequest;
 use Psr\Log\LoggerInterface;
 
 /**
@@ -94,6 +95,12 @@ class Response {
 	 * @since 17.0.0
 	 */
 	public function __construct() {
+		/** @var IRequest $request */
+		/**
+		 * @psalm-suppress UndefinedClass
+		 */
+		$request = \OC::$server->get(IRequest::class);
+		$this->addHeader("X-Request-Id", $request->getId());
 	}
 
 	/**

tests/lib/AppFramework/Controller/ControllerTest.php

@@ -28,6 +28,7 @@ use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\DataResponse;
 use OCP\AppFramework\Http\JSONResponse;
 use OCP\IConfig;
+use OCP\IRequest;
 
 class ChildController extends Controller {
 	public function __construct($appName, $request) {
@@ -59,6 +60,7 @@ class ControllerTest extends \Test\TestCase {
 	 */
 	private $controller;
 	private $app;
+	private $request;
 
 	protected function setUp(): void {
 		parent::setUp();
@@ -90,6 +92,8 @@ class ControllerTest extends \Test\TestCase {
 				->willReturn('apptemplate_advanced');
 
 		$this->controller = new ChildController($this->app, $request);
+		$this->overwriteService(IRequest::class, $request);
+		$this->request = $request;
 	}
 
 
@@ -114,6 +118,7 @@ class ControllerTest extends \Test\TestCase {
 			'Content-Type' => 'application/json; charset=utf-8',
 			'Content-Security-Policy' => "default-src 'none';base-uri 'none';manifest-src 'self';frame-ancestors 'none'",
 			'Feature-Policy' => "autoplay 'none';camera 'none';fullscreen 'none';geolocation 'none';microphone 'none';payment 'none'",
+			'X-Request-Id' => $this->request->getId(),
 			'X-Robots-Tag' => 'none',
 		];
 

tests/lib/AppFramework/Http/DataResponseTest.php

@@ -25,6 +25,7 @@ namespace Test\AppFramework\Http;
 
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\DataResponse;
+use OCP\IRequest;
 
 class DataResponseTest extends \Test\TestCase {
 
@@ -68,6 +69,7 @@ class DataResponseTest extends \Test\TestCase {
 			'Content-Security-Policy' => "default-src 'none';base-uri 'none';manifest-src 'self';frame-ancestors 'none'",
 			'Feature-Policy' => "autoplay 'none';camera 'none';fullscreen 'none';geolocation 'none';microphone 'none';payment 'none'",
 			'X-Robots-Tag' => 'none',
+			'X-Request-Id' => \OC::$server->get(IRequest::class)->getId(),
 		];
 		$expectedHeaders = array_merge($expectedHeaders, $headers);
 

tests/lib/AppFramework/Http/ResponseTest.php

@@ -91,7 +91,7 @@ class ResponseTest extends \Test\TestCase {
 	public function testAddHeaderValueNullDeletesIt() {
 		$this->childResponse->addHeader('hello', 'world');
 		$this->childResponse->addHeader('hello', null);
-		$this->assertEquals(4, count($this->childResponse->getHeaders()));
+		$this->assertEquals(5, count($this->childResponse->getHeaders()));
 	}