[acl] more checks in connected decorator

halfapi/acl.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 from functools import wraps
+from starlette.authentication import UnauthenticatedUser
+
 """ Base ACL module that contains generic functions for domains ACL
 """
 
@@ -8,7 +10,9 @@ def connected(func):
     """
     @wraps(func)
     def caller(req, *args, **kwargs):
-        if not hasattr(req.user, 'is_authenticated'):
+        if (not hasattr(req, 'user')
+          or type(req.user) == UnauthenticatedUser
+          or not hasattr(req.user, 'is_authenticated')):
             return False
         return func(req, **kwargs)