diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/room.py | 124 |
1 files changed, 58 insertions, 66 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index f85a5f2677..cd04ac09fa 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -397,7 +397,7 @@ class RoomMemberHandler(BaseHandler): room_id, action, txn_id=None, - room_hosts=None, + remote_room_hosts=None, ratelimit=True, ): effective_membership_state = action @@ -448,7 +448,7 @@ class RoomMemberHandler(BaseHandler): context, is_guest=requester.is_guest, ratelimit=ratelimit, - room_hosts=room_hosts, + remote_room_hosts=remote_room_hosts, from_client=True, ) @@ -461,11 +461,12 @@ class RoomMemberHandler(BaseHandler): event, context, is_guest=False, - room_hosts=None, + remote_room_hosts=None, ratelimit=True, from_client=True, ): - """ Change the membership status of a user in a room. + """ + Change the membership status of a user in a room. Args: event (SynapseEvent): The membership event. @@ -482,78 +483,64 @@ class RoomMemberHandler(BaseHandler): Raises: SynapseError if there was a problem changing the membership. """ - user = UserID.from_string(event.sender) + target_user = UserID.from_string(event.state_key) + room_id = event.room_id if from_client: - assert self.hs.is_mine(user), "User must be our own: %s" % (user,) + sender = UserID.from_string(event.sender) + assert self.hs.is_mine(sender), "Sender must be our own: %s" % (sender,) if event.is_state(): message_handler = self.hs.get_handlers().message_handler - prev_state = message_handler.deduplicate_state_event(event, context) - if prev_state is not None: + prev_event = message_handler.deduplicate_state_event(event, context) + if prev_event is not None: return - target_user = UserID.from_string(event.state_key) - - prev_state = context.current_state.get( - (EventTypes.Member, target_user.to_string()), - None - ) - - room_id = event.room_id - - handled = False + action = "send" if event.membership == Membership.JOIN: if is_guest and not self._can_guest_join(context.current_state): # This should be an auth check, but guests are a local concept, # so don't really fit into the general auth process. raise AuthError(403, "Guest access not allowed") - - should_do_dance, room_hosts = self._should_do_dance( + do_remote_join_dance, remote_room_hosts = self._should_do_dance( context, - (self.get_inviter(target_user.to_string(), context.current_state)), - room_hosts, + (self.get_inviter(event.state_key, context.current_state)), + remote_room_hosts, ) - - if should_do_dance: - if len(room_hosts) == 0: - # return the same error as join_room_alias does - raise SynapseError(404, "No known servers") - - # We don't do an auth check if we are doing an invite - # join dance for now, since we're kinda implicitly checking - # that we are allowed to join when we decide whether or not we - # need to do the invite/join dance. - yield self.hs.get_handlers().federation_handler.do_invite_join( - room_hosts, - room_id, - event.user_id, - event.content, - ) - handled = True - if event.membership == Membership.LEAVE: + if do_remote_join_dance: + action = "remote_join" + elif event.membership == Membership.LEAVE: is_host_in_room = self.is_host_in_room(context.current_state) if not is_host_in_room: - # Rejecting an invite, rather than leaving a joined room - handler = self.hs.get_handlers().federation_handler - inviter = self.get_inviter(target_user.to_string(), context.current_state) - if not inviter: - # return the same error as join_room_alias does - raise SynapseError(404, "No known servers") - yield handler.do_remotely_reject_invite( - [inviter.domain], - room_id, - event.user_id - ) - handled = True - - # FIXME: This isn't idempotency. - if prev_state and prev_state.membership == event.membership: - # double same action, treat this event as a NOOP. - return - - if not handled: + action = "remote_reject" + + federation_handler = self.hs.get_handlers().federation_handler + + if action == "remote_join": + if len(remote_room_hosts) == 0: + raise SynapseError(404, "No known servers") + + # We don't do an auth check if we are doing an invite + # join dance for now, since we're kinda implicitly checking + # that we are allowed to join when we decide whether or not we + # need to do the invite/join dance. + yield federation_handler.do_invite_join( + remote_room_hosts, + event.room_id, + event.user_id, + event.content, + ) + elif action == "remote_reject": + inviter = self.get_inviter(target_user.to_string(), context.current_state) + if not inviter: + raise SynapseError(404, "No known servers") + yield federation_handler.do_remotely_reject_invite( + [inviter.domain], + room_id, + event.user_id + ) + else: yield self.handle_new_client_event( event, context, @@ -561,14 +548,19 @@ class RoomMemberHandler(BaseHandler): ratelimit=ratelimit, ) + prev_member_event = context.current_state.get( + (EventTypes.Member, target_user.to_string()), + None + ) + if event.membership == Membership.JOIN: - if not prev_state or prev_state.membership != Membership.JOIN: + if not prev_member_event or prev_member_event.membership != Membership.JOIN: # Only fire user_joined_room if the user has acutally joined the # room. Don't bother if the user is just changing their profile # info. yield user_joined_room(self.distributor, target_user, room_id) elif event.membership == Membership.LEAVE: - if prev_state and prev_state.membership == Membership.JOIN: + if prev_member_event and prev_member_event.membership == Membership.JOIN: user_left_room(self.distributor, target_user, room_id) def _can_guest_join(self, current_state): @@ -604,7 +596,9 @@ class RoomMemberHandler(BaseHandler): Args: room_alias (RoomAlias): The alias to look up. Returns: - The room ID as a RoomID object. + A tuple of: + The room ID as a RoomID object. + Hosts likely to be participating in the room ([str]). Raises: SynapseError if room alias could not be found. """ @@ -615,11 +609,9 @@ class RoomMemberHandler(BaseHandler): raise SynapseError(404, "No such room alias") room_id = mapping["room_id"] - hosts = mapping["servers"] - if not hosts: - raise SynapseError(404, "No known servers") + servers = mapping["servers"] - defer.returnValue((RoomID.from_string(room_id), hosts)) + defer.returnValue((RoomID.from_string(room_id), servers)) def get_inviter(self, user_id, current_state): prev_state = current_state.get((EventTypes.Member, user_id)) |