Add - remote join capability to the module API "update_room_membershi…

…p" method,

in a backwards compatible manner.

synapse/module_api/__init__.py

@@ -117,6 +117,7 @@
  JsonMapping,
  Requester,
  RoomAlias,
+ RoomID,
  StateMap,
  UserID,
  UserInfo,
@@ -929,6 +930,7 @@ async def update_room_membership(
  room_id: str,
  new_membership: str,
  content: Optional[JsonDict] = None,
+ is_remote_join: bool = False,
  ) -> EventBase:
  """Updates the membership of a user to the given value.
 
@@ -946,6 +948,9 @@ async def update_room_membership(
  https://spec.matrix.org/unstable/client-server-api/#mroommember for the
  list of allowed values.
  content: Additional values to include in the resulting event's content.
+ is_remote_join: Must be True if room_id refers to a remote room and
+ new_membership is "join" (i.e. a remote join is needed), otherwise must
+ be False.
 
  Returns:
  The newly created membership event.
@@ -999,11 +1004,16 @@ async def update_room_membership(
  if "displayname" not in content:
  content["displayname"] = profile["displayname"]
 
+ remote_room_hosts = None
+ if is_remote_join:
+ remote_room_hosts = [RoomID.from_string(room_id).domain]
+
  event_id, _ = await self._hs.get_room_member_handler().update_membership(
  requester=requester,
  target=target_user_id,
  room_id=room_id,
  action=new_membership,
+ remote_room_hosts=remote_room_hosts,
  content=content,
  )