1 files changed, 6 insertions, 2 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 351b218247..7622962d46 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -688,7 +688,9 @@ class FederationHandler(BaseHandler):
             logger.warn("Failed to create join %r because %s", event, e)
             raise e
 
-        self.auth.check(event, auth_events=context.current_state)
+        # The remote hasn't signed it yet, obviously. We'll do the full checks
+        # when we get the event back in `on_send_join_request`
+        self.auth.check(event, auth_events=context.current_state, do_sig_check=False)
 
         defer.returnValue(event)
 
@@ -918,7 +920,9 @@ class FederationHandler(BaseHandler):
         )
 
         try:
-            self.auth.check(event, auth_events=context.current_state)
+            # The remote hasn't signed it yet, obviously. We'll do the full checks
+            # when we get the event back in `on_send_leave_request`
+            self.auth.check(event, auth_events=context.current_state, do_sig_check=False)
         except AuthError as e:
             logger.warn("Failed to create new leave %r because %s", event, e)
             raise e