only execute code if exception was thrown by the corresponding controller

Signed-off-by: Bjoern Schiessle <bjoern@schiessle.org>

apps/federation/lib/Middleware/AddServerMiddleware.php

@@ -25,6 +25,7 @@
 namespace OCA\Federation\Middleware;
 
 use OC\HintException;
+use OCA\Federation\Controller\SettingsController;
 use OCP\AppFramework\Http;
 use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\Middleware;
@@ -57,6 +58,9 @@ class AddServerMiddleware extends Middleware {
 	 * @return JSONResponse
 	 */
 	public function afterException($controller, $methodName, \Exception $exception) {
+		if (($controller instanceof SettingsController) === false) {
+			throw $exception;
+		}
 		$this->logger->error($exception->getMessage(), ['app' => $this->appName]);
 		if ($exception instanceof HintException) {
 			$message = $exception->getHint();

apps/federation/tests/Middleware/AddServerMiddlewareTest.php

@@ -26,8 +26,8 @@ namespace OCA\Federation\Tests\Middleware;
 
 
 use OC\HintException;
+use OCA\Federation\Controller\SettingsController;
 use OCA\Federation\Middleware\AddServerMiddleware;
-use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http;
 use OCP\IL10N;
 use OCP\ILogger;
@@ -44,7 +44,7 @@ class AddServerMiddlewareTest extends TestCase {
 	/** @var  AddServerMiddleware */
 	private $middleware;
 
-	/** @var  \PHPUnit_Framework_MockObject_MockObject | Controller */
+	/** @var  \PHPUnit_Framework_MockObject_MockObject | SettingsController */
 	private $controller;
 
 	public function setUp() {
@@ -52,7 +52,7 @@ class AddServerMiddlewareTest extends TestCase {
 
 		$this->logger = $this->getMockBuilder(ILogger::class)->getMock();
 		$this->l10n = $this->getMockBuilder(IL10N::class)->getMock();
-		$this->controller = $this->getMockBuilder(Controller::class)
+		$this->controller = $this->getMockBuilder(SettingsController::class)
 			->disableOriginalConstructor()->getMock();
 
 		$this->middleware = new AddServerMiddleware(