Feature upgrade to9 lts

Classes/Backend/Ajax.php

@@ -28,6 +28,7 @@ namespace SGalinski\SgAccount\Backend;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use SGalinski\SgAccount\Service\BaseService;
+use TYPO3\CMS\Core\Http\Response;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 
 /**
@@ -49,13 +50,17 @@ class Ajax {
 	 * @param ResponseInterface $response
 	 * @return ResponseInterface
 	 * @throws \InvalidArgumentException
+	 * @throws \Exception
 	 */
 	public function generatePassword(
 		ServerRequestInterface $request,
-		ResponseInterface $response
+		ResponseInterface $response = NULL
 	) {
+		if ($response === NULL) {
+			$response = new Response();
+		}
 		$this->baseService = GeneralUtility::makeInstance(BaseService::class);
 		$response->getBody()->write($this->baseService->generatePassword());
 		return $response;
 	}
-}
\ No newline at end of file
+}