diff options
| -rw-r--r-- | synapse/handlers/message.py | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 7d31ff8d46..92e1180262 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -258,20 +258,29 @@ class MessageHandler(BaseHandler): @defer.inlineCallbacks def _check_in_room_or_world_readable(self, room_id, user_id, is_guest): - if is_guest: - visibility = yield self.state_handler.get_current_state( - room_id, EventTypes.RoomHistoryVisibility, "" - ) - if visibility.content["history_visibility"] == "world_readable": - defer.returnValue((Membership.JOIN, None)) - return - else: - raise AuthError( - 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN - ) - else: + try: + # check_user_was_in_room will return the most recent membership + # event for the user if: + # * The user is a non-guest user, and was ever in the room + # * The user is a guest user, and has joined the room + # else it will throw. member_event = yield self.auth.check_user_was_in_room(room_id, user_id) defer.returnValue((member_event.membership, member_event.event_id)) + return + except AuthError: + if not is_guest: + raise + + visibility = yield self.state_handler.get_current_state( + room_id, EventTypes.RoomHistoryVisibility, "" + ) + if visibility.content["history_visibility"] == "world_readable": + defer.returnValue((Membership.JOIN, None)) + return + else: + raise AuthError( + 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN + ) @defer.inlineCallbacks def get_state_events(self, user_id, room_id, is_guest=False): |