diff options
Diffstat (limited to 'synapse/server_notices/server_notices_manager.py')
| -rw-r--r-- | synapse/server_notices/server_notices_manager.py | 71 |
1 files changed, 50 insertions, 21 deletions
diff --git a/synapse/server_notices/server_notices_manager.py b/synapse/server_notices/server_notices_manager.py index 2dac90578c..bf2454c01c 100644 --- a/synapse/server_notices/server_notices_manager.py +++ b/synapse/server_notices/server_notices_manager.py @@ -14,11 +14,9 @@ # limitations under the License. import logging -from twisted.internet import defer - from synapse.api.constants import EventTypes, Membership, RoomCreationPreset -from synapse.types import create_requester -from synapse.util.caches.descriptors import cachedInlineCallbacks +from synapse.types import UserID, create_requester +from synapse.util.caches.descriptors import cached logger = logging.getLogger(__name__) @@ -36,10 +34,12 @@ class ServerNoticesManager(object): self._store = hs.get_datastore() self._config = hs.config self._room_creation_handler = hs.get_room_creation_handler() + self._room_member_handler = hs.get_room_member_handler() self._event_creation_handler = hs.get_event_creation_handler() self._is_mine_id = hs.is_mine_id self._notifier = hs.get_notifier() + self.server_notices_mxid = self._config.server_notices_mxid def is_enabled(self): """Checks if server notices are enabled on this server. @@ -49,8 +49,7 @@ class ServerNoticesManager(object): """ return self._config.server_notices_mxid is not None - @defer.inlineCallbacks - def send_notice( + async def send_notice( self, user_id, event_content, type=EventTypes.Message, state_key=None ): """Send a notice to the given user @@ -66,7 +65,8 @@ class ServerNoticesManager(object): Returns: Deferred[FrozenEvent] """ - room_id = yield self.get_notice_room_for_user(user_id) + room_id = await self.get_or_create_notice_room_for_user(user_id) + await self.maybe_invite_user_to_room(user_id, room_id) system_mxid = self._config.server_notices_mxid requester = create_requester(system_mxid) @@ -83,16 +83,17 @@ class ServerNoticesManager(object): if state_key is not None: event_dict["state_key"] = state_key - res = yield self._event_creation_handler.create_and_send_nonmember_event( + event, _ = await self._event_creation_handler.create_and_send_nonmember_event( requester, event_dict, ratelimit=False ) - return res + return event - @cachedInlineCallbacks() - def get_notice_room_for_user(self, user_id): + @cached() + async def get_or_create_notice_room_for_user(self, user_id): """Get the room for notices for a given user - If we have not yet created a notice room for this user, create it + If we have not yet created a notice room for this user, create it, but don't + invite the user to it. Args: user_id (str): complete user id for the user we want a room for @@ -105,21 +106,24 @@ class ServerNoticesManager(object): assert self._is_mine_id(user_id), "Cannot send server notices to remote users" - rooms = yield self._store.get_rooms_for_user_where_membership_is( + rooms = await self._store.get_rooms_for_local_user_where_membership_is( user_id, [Membership.INVITE, Membership.JOIN] ) - system_mxid = self._config.server_notices_mxid for room in rooms: # it's worth noting that there is an asymmetry here in that we # expect the user to be invited or joined, but the system user must # be joined. This is kinda deliberate, in that if somebody somehow # manages to invite the system user to a room, that doesn't make it # the server notices room. - user_ids = yield self._store.get_users_in_room(room.room_id) - if system_mxid in user_ids: + user_ids = await self._store.get_users_in_room(room.room_id) + if self.server_notices_mxid in user_ids: # we found a room which our user shares with the system notice # user - logger.info("Using room %s", room.room_id) + logger.info( + "Using existing server notices room %s for user %s", + room.room_id, + user_id, + ) return room.room_id # apparently no existing notice room: create a new one @@ -138,24 +142,49 @@ class ServerNoticesManager(object): "avatar_url": self._config.server_notices_mxid_avatar_url, } - requester = create_requester(system_mxid) - info = yield self._room_creation_handler.create_room( + requester = create_requester(self.server_notices_mxid) + info, _ = await self._room_creation_handler.create_room( requester, config={ "preset": RoomCreationPreset.PRIVATE_CHAT, "name": self._config.server_notices_room_name, "power_level_content_override": {"users_default": -10}, - "invite": (user_id,), }, ratelimit=False, creator_join_profile=join_profile, ) room_id = info["room_id"] - max_id = yield self._store.add_tag_to_room( + max_id = await self._store.add_tag_to_room( user_id, room_id, SERVER_NOTICE_ROOM_TAG, {} ) self._notifier.on_new_event("account_data_key", max_id, users=[user_id]) logger.info("Created server notices room %s for %s", room_id, user_id) return room_id + + async def maybe_invite_user_to_room(self, user_id: str, room_id: str): + """Invite the given user to the given server room, unless the user has already + joined or been invited to it. + + Args: + user_id: The ID of the user to invite. + room_id: The ID of the room to invite the user to. + """ + requester = create_requester(self.server_notices_mxid) + + # Check whether the user has already joined or been invited to this room. If + # that's the case, there is no need to re-invite them. + joined_rooms = await self._store.get_rooms_for_local_user_where_membership_is( + user_id, [Membership.INVITE, Membership.JOIN] + ) + for room in joined_rooms: + if room.room_id == room_id: + return + + await self._room_member_handler.update_membership( + requester=requester, + target=UserID.from_string(user_id), + room_id=room_id, + action="invite", + ) |