added Application Ecosystem V2 login handler

Signed-off-by: Alexander Piskun <bigcat88@icloud.com>

lib/base.php

@@ -1138,6 +1138,9 @@ class OC {
 		if (OC_User::handleApacheAuth()) {
 			return true;
 		}
+		if (self::tryAppEcosystemV2Login($request)) {
+			return true;
+		}
 		if ($userSession->tryTokenLogin($request)) {
 			return true;
 		}
@@ -1175,6 +1178,18 @@ class OC {
 			}
 		}
 	}
+
+	protected static function tryAppEcosystemV2Login(OCP\IRequest $request): bool {
+		$appManager = Server::get(OCP\App\IAppManager::class);
+		if (!$request->getHeader('AE-SIGNATURE')) {
+			return false;
+		}
+		if (!$appManager->isInstalled('app_ecosystem_v2')) {
+			return false;
+		}
+		$appEcosystemV2Service = Server::get(OCA\AppEcosystemV2\Service\AppEcosystemV2Service::class);
+		return $appEcosystemV2Service->validateExAppRequestToNC($request);
+	}
 }
 
 OC::init();