diff options
Diffstat (limited to '')
| -rw-r--r-- | synapse/notifier.py | 71 |
1 files changed, 48 insertions, 23 deletions
diff --git a/synapse/notifier.py b/synapse/notifier.py index 0a5653b8d5..3285487551 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -63,9 +63,9 @@ class _NotifierUserStream(object): so that it can remove itself from the indexes in the Notifier class. """ - def __init__(self, user, rooms, current_token, time_now_ms, + def __init__(self, user_id, rooms, current_token, time_now_ms, appservice=None): - self.user = str(user) + self.user_id = user_id self.appservice = appservice self.rooms = set(rooms) self.current_token = current_token @@ -98,7 +98,7 @@ class _NotifierUserStream(object): lst = notifier.room_to_user_streams.get(room, set()) lst.discard(self) - notifier.user_to_user_stream.pop(self.user) + notifier.user_to_user_stream.pop(self.user_id) if self.appservice: notifier.appservice_to_user_streams.get( @@ -271,21 +271,20 @@ class Notifier(object): logger.exception("Failed to notify listener") @defer.inlineCallbacks - def wait_for_events(self, user, timeout, callback, room_ids=None, + def wait_for_events(self, user_id, timeout, callback, room_ids=None, from_token=StreamToken("s0", "0", "0", "0", "0")): """Wait until the callback returns a non empty response or the timeout fires. """ - user = str(user) - user_stream = self.user_to_user_stream.get(user) + user_stream = self.user_to_user_stream.get(user_id) if user_stream is None: - appservice = yield self.store.get_app_service_by_user_id(user) + appservice = yield self.store.get_app_service_by_user_id(user_id) current_token = yield self.event_sources.get_current_token() if room_ids is None: - rooms = yield self.store.get_rooms_for_user(user) + rooms = yield self.store.get_rooms_for_user(user_id) room_ids = [room.room_id for room in rooms] user_stream = _NotifierUserStream( - user=user, + user_id=user_id, rooms=room_ids, appservice=appservice, current_token=current_token, @@ -333,12 +332,17 @@ class Notifier(object): @defer.inlineCallbacks def get_events_for(self, user, pagination_config, timeout, only_room_events=False, - is_guest=False, guest_room_id=None): + is_guest=False, explicit_room_id=None): """ For the given user and rooms, return any new events for them. If there are no new events wait for up to `timeout` milliseconds for any new events to happen before returning. If `only_room_events` is `True` only room events will be returned. + + If explicit_room_id is not set, the user's joined rooms will be polled + for events. + If explicit_room_id is set, that room will be polled for events only if + it is world readable or the user has joined the room. """ from_token = pagination_config.from_token if not from_token: @@ -346,15 +350,8 @@ class Notifier(object): limit = pagination_config.limit - room_ids = [] - if is_guest: - if guest_room_id: - if not (yield self._is_world_readable(guest_room_id)): - raise AuthError(403, "Guest access not allowed") - room_ids = [guest_room_id] - else: - rooms = yield self.store.get_rooms_for_user(user.to_string()) - room_ids = [room.room_id for room in rooms] + room_ids, is_joined = yield self._get_room_ids(user, explicit_room_id) + is_peeking = not is_joined @defer.inlineCallbacks def check_for_updates(before_token, after_token): @@ -376,7 +373,7 @@ class Notifier(object): user=user, from_key=getattr(from_token, keyname), limit=limit, - is_guest=is_guest, + is_guest=is_peeking, room_ids=room_ids, ) @@ -385,7 +382,7 @@ class Notifier(object): new_events = yield room_member_handler._filter_events_for_client( user.to_string(), new_events, - is_guest=is_guest, + is_peeking=is_peeking, ) events.extend(new_events) @@ -396,8 +393,24 @@ class Notifier(object): else: defer.returnValue(None) + user_id_for_stream = user.to_string() + if is_peeking: + # Internally, the notifier keeps an event stream per user_id. + # This is used by both /sync and /events. + # We want /events to be used for peeking independently of /sync, + # without polluting its contents. So we invent an illegal user ID + # (which thus cannot clash with any real users) for keying peeking + # over /events. + # + # I am sorry for what I have done. + user_id_for_stream = "_PEEKING_" + user_id_for_stream + result = yield self.wait_for_events( - user, timeout, check_for_updates, room_ids=room_ids, from_token=from_token + user_id_for_stream, + timeout, + check_for_updates, + room_ids=room_ids, + from_token=from_token, ) if result is None: @@ -406,6 +419,18 @@ class Notifier(object): defer.returnValue(result) @defer.inlineCallbacks + def _get_room_ids(self, user, explicit_room_id): + joined_rooms = yield self.store.get_rooms_for_user(user.to_string()) + joined_room_ids = map(lambda r: r.room_id, joined_rooms) + if explicit_room_id: + if explicit_room_id in joined_room_ids: + defer.returnValue(([explicit_room_id], True)) + if (yield self._is_world_readable(explicit_room_id)): + defer.returnValue(([explicit_room_id], False)) + raise AuthError(403, "Non-joined access not allowed") + defer.returnValue((joined_room_ids, True)) + + @defer.inlineCallbacks def _is_world_readable(self, room_id): state = yield self.hs.get_state_handler().get_current_state( room_id, @@ -432,7 +457,7 @@ class Notifier(object): @log_function def _register_with_keys(self, user_stream): - self.user_to_user_stream[user_stream.user] = user_stream + self.user_to_user_stream[user_stream.user_id] = user_stream for room in user_stream.rooms: s = self.room_to_user_streams.setdefault(room, set()) |