1 files changed, 11 insertions, 0 deletions
diff --git a/opendc/models/topology.py b/opendc/models/topology.py
index a5f53bbb..b01d5f41 100644
--- a/opendc/models/topology.py
+++ b/opendc/models/topology.py
@@ -1,5 +1,16 @@
 from opendc.models.model import Model
+from opendc.models.user import User
+from opendc.util.rest import Response
 
 
 class Topology(Model):
     collection_name = 'topologies'
+
+    def validate_user_access(self, google_id, edit_access):
+        user = User.from_google_id(google_id)
+        authorizations = list(
+            filter(lambda x: str(x['topologyId']) == str(self.obj['_id']), user.obj['authorizations']))
+        if len(authorizations) == 0 or (edit_access and authorizations[0]['authorizationLevel'] == 'VIEW'):
+            return Response(403, "Forbidden from retrieving topology.")
+
+        return None
+\ No newline at end of file