diff --git a/halfapi/acl.py b/halfapi/acl.py
index 380d77f..a540d3e 100644
--- a/halfapi/acl.py
+++ b/halfapi/acl.py
@@ -2,6 +2,17 @@
 class BaseACL:
     """ Base ACL class that contains generic methods for domains ACL
     """
+    def connected(req, func):
+        """ Decorator that checks if the user object of the request has been set
+        """
+        def caller()
+            try:
+                getattr(req.user, 'is_authenticated')
+                return func()
+            except AttributeError:
+                return False
+
+        return caller
 
     def public(self, *args) -> bool:
         "Unlimited access"