From 8beead66ae48aa11f1e25da42256eb92b8bce099 Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Date: Wed, 23 Jun 2021 12:54:50 +0100
Subject: Send out invite rejections and knocks over federation (#10223)

ensure that events sent via `send_leave` and `send_knock` are sent on to
the rest of the federation.
---
 synapse/handlers/federation.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'synapse/handlers')

diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 1b566dbf2d..74d169a2ac 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -1980,6 +1980,13 @@ class FederationHandler(BaseHandler):
 
         event.internal_metadata.outlier = False
 
+        # Send this event on behalf of the other server.
+        #
+        # The remote server isn't a full participant in the room at this point, so
+        # may not have an up-to-date list of the other homeservers participating in
+        # the room, so we send it on their behalf.
+        event.internal_metadata.send_on_behalf_of = origin
+
         context = await self.state_handler.compute_event_context(event)
         await self._auth_and_persist_event(origin, event, context)
 
@@ -2084,6 +2091,13 @@ class FederationHandler(BaseHandler):
 
         event.internal_metadata.outlier = False
 
+        # Send this event on behalf of the other server.
+        #
+        # The remote server isn't a full participant in the room at this point, so
+        # may not have an up-to-date list of the other homeservers participating in
+        # the room, so we send it on their behalf.
+        event.internal_metadata.send_on_behalf_of = origin
+
         context = await self.state_handler.compute_event_context(event)
 
         event_allowed = await self.third_party_event_rules.check_event_allowed(
-- 
cgit 1.5.1