add digest and content-length to signature verification

Signed-off-by: Maxence Lange <maxence@artificial-owl.com>

Author: ArtificialOwl

lib/Controller/RemoteController.php

@@ -43,6 +43,7 @@
 use Exception;
 use OC;
 use OC\AppFramework\Middleware\Security\Exceptions\NotLoggedInException;
+use OCA\Backup\AppInfo\Application;
 use OCA\Backup\Exceptions\RemoteRequestException;
 use OCA\Backup\IRemoteRequest;
 use OCA\Backup\Model\RemoteInstance;
@@ -90,6 +91,9 @@ public function __construct(
 		parent::__construct($appName, $request);
 
 		$this->remoteStreamService = $remoteStreamService;
+
+		$this->setup('app', Application::APP_ID);
+		$this->setupArray('enforceSignatureHeaders', ['digest', 'content-length']);
 	}