From c824b29e77cd1745f8ac14f2a73c3b8590acaac9 Mon Sep 17 00:00:00 2001
From: Mark Haines <mark.haines@matrix.org>
Date: Tue, 26 Jul 2016 16:39:14 +0100
Subject: [PATCH] Check if the user is banned when handling 3pid invites

---
 synapse/api/auth.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index eca851390..f399aa8c7 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -376,6 +376,10 @@ class Auth(object):
         if Membership.INVITE == membership and "third_party_invite" in event.content:
             if not self._verify_third_party_invite(event, auth_events):
                 raise AuthError(403, "You are not invited to this room.")
+            if target_banned:
+                raise AuthError(
+                    403, "%s is banned from the room" % (target_user_id,)
+                )
             return True
 
         if Membership.JOIN != membership: