diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/federation.py | 429 | ||||
| -rw-r--r-- | synapse/handlers/message.py | 5 | ||||
| -rw-r--r-- | synapse/handlers/room_member.py | 12 | ||||
| -rw-r--r-- | synapse/handlers/sync.py | 705 |
4 files changed, 575 insertions, 576 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index e9441bbeff..8c6a142991 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -65,7 +65,7 @@ from synapse.replication.http.federation import ( from synapse.replication.http.membership import ReplicationUserJoinedLeftRoomRestServlet from synapse.state import StateResolutionStore, resolve_events_with_store from synapse.storage.data_stores.main.events_worker import EventRedactBehaviour -from synapse.types import StateMap, UserID, get_domain_from_id +from synapse.types import JsonDict, StateMap, UserID, get_domain_from_id from synapse.util.async_helpers import Linearizer, concurrently_execute from synapse.util.distributor import user_joined_room from synapse.util.retryutils import NotRetryingDestination @@ -1230,13 +1230,12 @@ class FederationHandler(BaseHandler): ) raise SynapseError(http_client.BAD_REQUEST, "Too many auth_events") - @defer.inlineCallbacks - def send_invite(self, target_host, event): + async def send_invite(self, target_host, event): """ Sends the invite to the remote server for signing. Invites must be signed by the invitee's server before distribution. """ - pdu = yield self.federation_client.send_invite( + pdu = await self.federation_client.send_invite( destination=target_host, room_id=event.room_id, event_id=event.event_id, @@ -1245,17 +1244,16 @@ class FederationHandler(BaseHandler): return pdu - @defer.inlineCallbacks - def on_event_auth(self, event_id): - event = yield self.store.get_event(event_id) - auth = yield self.store.get_auth_chain( + async def on_event_auth(self, event_id: str) -> List[EventBase]: + event = await self.store.get_event(event_id) + auth = await self.store.get_auth_chain( [auth_id for auth_id in event.auth_event_ids()], include_given=True ) - return [e for e in auth] + return list(auth) - @log_function - @defer.inlineCallbacks - def do_invite_join(self, target_hosts, room_id, joinee, content): + async def do_invite_join( + self, target_hosts: Iterable[str], room_id: str, joinee: str, content: JsonDict + ) -> None: """ Attempts to join the `joinee` to the room `room_id` via the servers contained in `target_hosts`. @@ -1268,17 +1266,17 @@ class FederationHandler(BaseHandler): have finished processing the join. Args: - target_hosts (Iterable[str]): List of servers to attempt to join the room with. + target_hosts: List of servers to attempt to join the room with. - room_id (str): The ID of the room to join. + room_id: The ID of the room to join. - joinee (str): The User ID of the joining user. + joinee: The User ID of the joining user. - content (dict): The event content to use for the join event. + content: The event content to use for the join event. """ logger.debug("Joining %s to %s", joinee, room_id) - origin, event, room_version_obj = yield self._make_and_verify_event( + origin, event, room_version_obj = await self._make_and_verify_event( target_hosts, room_id, joinee, @@ -1294,7 +1292,7 @@ class FederationHandler(BaseHandler): self.room_queues[room_id] = [] - yield self._clean_room_for_join(room_id) + await self._clean_room_for_join(room_id) handled_events = set() @@ -1308,7 +1306,7 @@ class FederationHandler(BaseHandler): pass event_format_version = room_version_obj.event_format - ret = yield self.federation_client.send_join( + ret = await self.federation_client.send_join( target_hosts, event, event_format_version ) @@ -1327,7 +1325,7 @@ class FederationHandler(BaseHandler): logger.debug("do_invite_join event: %s", event) try: - yield self.store.store_room( + await self.store.store_room( room_id=room_id, room_creator_user_id="", is_public=False, @@ -1337,13 +1335,13 @@ class FederationHandler(BaseHandler): # FIXME pass - yield self._persist_auth_tree( + await self._persist_auth_tree( origin, auth_chain, state, event, room_version_obj ) # Check whether this room is the result of an upgrade of a room we already know # about. If so, migrate over user information - predecessor = yield self.store.get_room_predecessor(room_id) + predecessor = await self.store.get_room_predecessor(room_id) if not predecessor or not isinstance(predecessor.get("room_id"), str): return old_room_id = predecessor["room_id"] @@ -1353,7 +1351,7 @@ class FederationHandler(BaseHandler): # We retrieve the room member handler here as to not cause a cyclic dependency member_handler = self.hs.get_room_member_handler() - yield member_handler.transfer_room_state_on_room_upgrade( + await member_handler.transfer_room_state_on_room_upgrade( old_room_id, room_id ) @@ -1370,8 +1368,6 @@ class FederationHandler(BaseHandler): run_in_background(self._handle_queued_pdus, room_queue) - return True - async def _handle_queued_pdus(self, room_queue): """Process PDUs which got queued up while we were busy send_joining. @@ -1394,20 +1390,17 @@ class FederationHandler(BaseHandler): "Error handling queued PDU %s from %s: %s", p.event_id, origin, e ) - @defer.inlineCallbacks - @log_function - def on_make_join_request(self, origin, room_id, user_id): + async def on_make_join_request( + self, origin: str, room_id: str, user_id: str + ) -> EventBase: """ We've received a /make_join/ request, so we create a partial join event for the room and return that. We do *not* persist or process it until the other server has signed it and sent it back. Args: - origin (str): The (verified) server name of the requesting server. - room_id (str): Room to create join event in - user_id (str): The user to create the join for - - Returns: - Deferred[FrozenEvent] + origin: The (verified) server name of the requesting server. + room_id: Room to create join event in + user_id: The user to create the join for """ if get_domain_from_id(user_id) != origin: logger.info( @@ -1419,7 +1412,7 @@ class FederationHandler(BaseHandler): event_content = {"membership": Membership.JOIN} - room_version = yield self.store.get_room_version_id(room_id) + room_version = await self.store.get_room_version_id(room_id) builder = self.event_builder_factory.new( room_version, @@ -1433,14 +1426,14 @@ class FederationHandler(BaseHandler): ) try: - event, context = yield self.event_creation_handler.create_new_client_event( + event, context = await self.event_creation_handler.create_new_client_event( builder=builder ) except AuthError as e: logger.warning("Failed to create join to %s because %s", room_id, e) raise e - event_allowed = yield self.third_party_event_rules.check_event_allowed( + event_allowed = await self.third_party_event_rules.check_event_allowed( event, context ) if not event_allowed: @@ -1451,15 +1444,13 @@ class FederationHandler(BaseHandler): # The remote hasn't signed it yet, obviously. We'll do the full checks # when we get the event back in `on_send_join_request` - yield self.auth.check_from_context( + await self.auth.check_from_context( room_version, event, context, do_sig_check=False ) return event - @defer.inlineCallbacks - @log_function - def on_send_join_request(self, origin, pdu): + async def on_send_join_request(self, origin, pdu): """ We have received a join event for a room. Fully process it and respond with the current state and auth chains. """ @@ -1496,9 +1487,9 @@ class FederationHandler(BaseHandler): # would introduce the danger of backwards-compatibility problems. event.internal_metadata.send_on_behalf_of = origin - context = yield self._handle_new_event(origin, event) + context = await self._handle_new_event(origin, event) - event_allowed = yield self.third_party_event_rules.check_event_allowed( + event_allowed = await self.third_party_event_rules.check_event_allowed( event, context ) if not event_allowed: @@ -1516,19 +1507,18 @@ class FederationHandler(BaseHandler): if event.type == EventTypes.Member: if event.content["membership"] == Membership.JOIN: user = UserID.from_string(event.state_key) - yield self.user_joined_room(user, event.room_id) + await self.user_joined_room(user, event.room_id) - prev_state_ids = yield context.get_prev_state_ids() + prev_state_ids = await context.get_prev_state_ids() state_ids = list(prev_state_ids.values()) - auth_chain = yield self.store.get_auth_chain(state_ids) + auth_chain = await self.store.get_auth_chain(state_ids) - state = yield self.store.get_events(list(prev_state_ids.values())) + state = await self.store.get_events(list(prev_state_ids.values())) return {"state": list(state.values()), "auth_chain": auth_chain} - @defer.inlineCallbacks - def on_invite_request( + async def on_invite_request( self, origin: str, event: EventBase, room_version: RoomVersion ): """ We've got an invite event. Process and persist it. Sign it. @@ -1538,7 +1528,7 @@ class FederationHandler(BaseHandler): if event.state_key is None: raise SynapseError(400, "The invite event did not have a state key") - is_blocked = yield self.store.is_room_blocked(event.room_id) + is_blocked = await self.store.is_room_blocked(event.room_id) if is_blocked: raise SynapseError(403, "This room has been blocked on this server") @@ -1581,14 +1571,15 @@ class FederationHandler(BaseHandler): ) ) - context = yield self.state_handler.compute_event_context(event) - yield self.persist_events_and_notify([(event, context)]) + context = await self.state_handler.compute_event_context(event) + await self.persist_events_and_notify([(event, context)]) return event - @defer.inlineCallbacks - def do_remotely_reject_invite(self, target_hosts, room_id, user_id, content): - origin, event, room_version = yield self._make_and_verify_event( + async def do_remotely_reject_invite( + self, target_hosts: Iterable[str], room_id: str, user_id: str, content: JsonDict + ) -> EventBase: + origin, event, room_version = await self._make_and_verify_event( target_hosts, room_id, user_id, "leave", content=content ) # Mark as outlier as we don't have any state for this event; we're not @@ -1604,22 +1595,27 @@ class FederationHandler(BaseHandler): except ValueError: pass - yield self.federation_client.send_leave(target_hosts, event) + await self.federation_client.send_leave(target_hosts, event) - context = yield self.state_handler.compute_event_context(event) - yield self.persist_events_and_notify([(event, context)]) + context = await self.state_handler.compute_event_context(event) + await self.persist_events_and_notify([(event, context)]) return event - @defer.inlineCallbacks - def _make_and_verify_event( - self, target_hosts, room_id, user_id, membership, content={}, params=None - ): + async def _make_and_verify_event( + self, + target_hosts: Iterable[str], + room_id: str, + user_id: str, + membership: str, + content: JsonDict = {}, + params: Optional[Dict[str, str]] = None, + ) -> Tuple[str, EventBase, RoomVersion]: ( origin, event, room_version, - ) = yield self.federation_client.make_membership_event( + ) = await self.federation_client.make_membership_event( target_hosts, room_id, user_id, membership, content, params=params ) @@ -1633,20 +1629,17 @@ class FederationHandler(BaseHandler): assert event.room_id == room_id return origin, event, room_version - @defer.inlineCallbacks - @log_function - def on_make_leave_request(self, origin, room_id, user_id): + async def on_make_leave_request( + self, origin: str, room_id: str, user_id: str + ) -> EventBase: """ We've received a /make_leave/ request, so we create a partial leave event for the room and return that. We do *not* persist or process it until the other server has signed it and sent it back. Args: - origin (str): The (verified) server name of the requesting server. - room_id (str): Room to create leave event in - user_id (str): The user to create the leave for - - Returns: - Deferred[FrozenEvent] + origin: The (verified) server name of the requesting server. + room_id: Room to create leave event in + user_id: The user to create the leave for """ if get_domain_from_id(user_id) != origin: logger.info( @@ -1656,7 +1649,7 @@ class FederationHandler(BaseHandler): ) raise SynapseError(403, "User not from origin", Codes.FORBIDDEN) - room_version = yield self.store.get_room_version_id(room_id) + room_version = await self.store.get_room_version_id(room_id) builder = self.event_builder_factory.new( room_version, { @@ -1668,11 +1661,11 @@ class FederationHandler(BaseHandler): }, ) - event, context = yield self.event_creation_handler.create_new_client_event( + event, context = await self.event_creation_handler.create_new_client_event( builder=builder ) - event_allowed = yield self.third_party_event_rules.check_event_allowed( + event_allowed = await self.third_party_event_rules.check_event_allowed( event, context ) if not event_allowed: @@ -1684,7 +1677,7 @@ class FederationHandler(BaseHandler): try: # The remote hasn't signed it yet, obviously. We'll do the full checks # when we get the event back in `on_send_leave_request` - yield self.auth.check_from_context( + await self.auth.check_from_context( room_version, event, context, do_sig_check=False ) except AuthError as e: @@ -1693,9 +1686,7 @@ class FederationHandler(BaseHandler): return event - @defer.inlineCallbacks - @log_function - def on_send_leave_request(self, origin, pdu): + async def on_send_leave_request(self, origin, pdu): """ We have received a leave event for a room. Fully process it.""" event = pdu @@ -1715,9 +1706,9 @@ class FederationHandler(BaseHandler): event.internal_metadata.outlier = False - context = yield self._handle_new_event(origin, event) + context = await self._handle_new_event(origin, event) - event_allowed = yield self.third_party_event_rules.check_event_allowed( + event_allowed = await self.third_party_event_rules.check_event_allowed( event, context ) if not event_allowed: @@ -1839,11 +1830,10 @@ class FederationHandler(BaseHandler): def get_min_depth_for_context(self, context): return self.store.get_min_depth(context) - @defer.inlineCallbacks - def _handle_new_event( + async def _handle_new_event( self, origin, event, state=None, auth_events=None, backfilled=False ): - context = yield self._prep_event( + context = await self._prep_event( origin, event, state=state, auth_events=auth_events, backfilled=backfilled ) @@ -1856,11 +1846,11 @@ class FederationHandler(BaseHandler): and not backfilled and not context.rejected ): - yield self.action_generator.handle_push_actions_for_event( + await self.action_generator.handle_push_actions_for_event( event, context ) - yield self.persist_events_and_notify( + await self.persist_events_and_notify( [(event, context)], backfilled=backfilled ) success = True @@ -1872,13 +1862,12 @@ class FederationHandler(BaseHandler): return context - @defer.inlineCallbacks - def _handle_new_events( + async def _handle_new_events( self, origin: str, event_infos: Iterable[_NewEventInfo], backfilled: bool = False, - ): + ) -> None: """Creates the appropriate contexts and persists events. The events should not depend on one another, e.g. this should be used to persist a bunch of outliers, but not a chunk of individual events that depend @@ -1887,11 +1876,10 @@ class FederationHandler(BaseHandler): Notifies about the events where appropriate. """ - @defer.inlineCallbacks - def prep(ev_info: _NewEventInfo): + async def prep(ev_info: _NewEventInfo): event = ev_info.event with nested_logging_context(suffix=event.event_id): - res = yield self._prep_event( + res = await self._prep_event( origin, event, state=ev_info.state, @@ -1900,14 +1888,14 @@ class FederationHandler(BaseHandler): ) return res - contexts = yield make_deferred_yieldable( + contexts = await make_deferred_yieldable( defer.gatherResults( [run_in_background(prep, ev_info) for ev_info in event_infos], consumeErrors=True, ) ) - yield self.persist_events_and_notify( + await self.persist_events_and_notify( [ (ev_info.event, context) for ev_info, context in zip(event_infos, contexts) @@ -1915,15 +1903,14 @@ class FederationHandler(BaseHandler): backfilled=backfilled, ) - @defer.inlineCallbacks - def _persist_auth_tree( + async def _persist_auth_tree( self, origin: str, auth_events: List[EventBase], state: List[EventBase], event: EventBase, room_version: RoomVersion, - ): + ) -> None: """Checks the auth chain is valid (and passes auth checks) for the state and event. Then persists the auth chain and state atomically. Persists the event separately. Notifies about the persisted events @@ -1938,14 +1925,11 @@ class FederationHandler(BaseHandler): event room_version: The room version we expect this room to have, and will raise if it doesn't match the version in the create event. - - Returns: - Deferred """ events_to_context = {} for e in itertools.chain(auth_events, state): e.internal_metadata.outlier = True - ctx = yield self.state_handler.compute_event_context(e) + ctx = await self.state_handler.compute_event_context(e) events_to_context[e.event_id] = ctx event_map = { @@ -1977,7 +1961,7 @@ class FederationHandler(BaseHandler): missing_auth_events.add(e_id) for e_id in missing_auth_events: - m_ev = yield self.federation_client.get_pdu( + m_ev = await self.federation_client.get_pdu( [origin], e_id, room_version=room_version.identifier, @@ -2013,91 +1997,74 @@ class FederationHandler(BaseHandler): raise events_to_context[e.event_id].rejected = RejectedReason.AUTH_ERROR - yield self.persist_events_and_notify( + await self.persist_events_and_notify( [ (e, events_to_context[e.event_id]) for e in itertools.chain(auth_events, state) ] ) - new_event_context = yield self.state_handler.compute_event_context( + new_event_context = await self.state_handler.compute_event_context( event, old_state=state ) - yield self.persist_events_and_notify([(event, new_event_context)]) + await self.persist_events_and_notify([(event, new_event_context)]) - @defer.inlineCallbacks - def _prep_event( + async def _prep_event( self, origin: str, event: EventBase, state: Optional[Iterable[EventBase]], auth_events: Optional[StateMap[EventBase]], backfilled: bool, - ): - """ - - Args: - origin: - event: - state: - auth_events: - backfilled: - - Returns: - Deferred, which resolves to synapse.events.snapshot.EventContext - """ - context = yield self.state_handler.compute_event_context(event, old_state=state) + ) -> EventContext: + context = await self.state_handler.compute_event_context(event, old_state=state) if not auth_events: - prev_state_ids = yield context.get_prev_state_ids() - auth_events_ids = yield self.auth.compute_auth_events( + prev_state_ids = await context.get_prev_state_ids() + auth_events_ids = await self.auth.compute_auth_events( event, prev_state_ids, for_verification=True ) - auth_events = yield self.store.get_events(auth_events_ids) + auth_events = await self.store.get_events(auth_events_ids) auth_events = {(e.type, e.state_key): e for e in auth_events.values()} # This is a hack to fix some old rooms where the initial join event # didn't reference the create event in its auth events. if event.type == EventTypes.Member and not event.auth_event_ids(): if len(event.prev_event_ids()) == 1 and event.depth < 5: - c = yield self.store.get_event( + c = await self.store.get_event( event.prev_event_ids()[0], allow_none=True ) if c and c.type == EventTypes.Create: auth_events[(c.type, c.state_key)] = c - context = yield self.do_auth(origin, event, context, auth_events=auth_events) + context = await self.do_auth(origin, event, context, auth_events=auth_events) if not context.rejected: - yield self._check_for_soft_fail(event, state, backfilled) + await self._check_for_soft_fail(event, state, backfilled) if event.type == EventTypes.GuestAccess and not context.rejected: - yield self.maybe_kick_guest_users(event) + await self.maybe_kick_guest_users(event) return context - @defer.inlineCallbacks - def _check_for_soft_fail( + async def _check_for_soft_fail( self, event: EventBase, state: Optional[Iterable[EventBase]], backfilled: bool - ): - """Checks if we should soft fail the event, if so marks the event as + ) -> None: + """Checks if we should soft fail the event; if so, marks the event as such. Args: event state: The state at the event if we don't have all the event's prev events backfilled: Whether the event is from backfill - - Returns: - Deferred """ # For new (non-backfilled and non-outlier) events we check if the event # passes auth based on the current state. If it doesn't then we # "soft-fail" the event. do_soft_fail_check = not backfilled and not event.internal_metadata.is_outlier() if do_soft_fail_check: - extrem_ids = yield self.store.get_latest_event_ids_in_room(event.room_id) + extrem_ids = await self.store.get_latest_event_ids_in_room(event.room_id) extrem_ids = set(extrem_ids) prev_event_ids = set(event.prev_event_ids()) @@ -2108,7 +2075,7 @@ class FederationHandler(BaseHandler): do_soft_fail_check = False if do_soft_fail_check: - room_version = yield self.store.get_room_version_id(event.room_id) + room_version = await self.store.get_room_version_id(event.room_id) room_version_obj = KNOWN_ROOM_VERSIONS[room_version] # Calculate the "current state". @@ -2125,19 +2092,19 @@ class FederationHandler(BaseHandler): # given state at the event. This should correctly handle cases # like bans, especially with state res v2. - state_sets = yield self.state_store.get_state_groups( + state_sets = await self.state_store.get_state_groups( event.room_id, extrem_ids ) state_sets = list(state_sets.values()) state_sets.append(state) - current_state_ids = yield self.state_handler.resolve_events( + current_state_ids = await self.state_handler.resolve_events( room_version, state_sets, event ) current_state_ids = { k: e.event_id for k, e in iteritems(current_state_ids) } else: - current_state_ids = yield self.state_handler.get_current_state_ids( + current_state_ids = await self.state_handler.get_current_state_ids( event.room_id, latest_event_ids=extrem_ids ) @@ -2153,7 +2120,7 @@ class FederationHandler(BaseHandler): e for k, e in iteritems(current_state_ids) if k in auth_types ] - current_auth_events = yield self.store.get_events(current_state_ids) + current_auth_events = await self.store.get_events(current_state_ids) current_auth_events = { (e.type, e.state_key): e for e in current_auth_events.values() } @@ -2166,15 +2133,14 @@ class FederationHandler(BaseHandler): logger.warning("Soft-failing %r because %s", event, e) event.internal_metadata.soft_failed = True - @defer.inlineCallbacks - def on_query_auth( + async def on_query_auth( self, origin, event_id, room_id, remote_auth_chain, rejects, missing ): - in_room = yield self.auth.check_host_in_room(room_id, origin) + in_room = await self.auth.check_host_in_room(room_id, origin) if not in_room: raise AuthError(403, "Host not in room.") - event = yield self.store.get_event( + event = await self.store.get_event( event_id, allow_none=False, check_room_id=room_id ) @@ -2182,57 +2148,60 @@ class FederationHandler(BaseHandler): # don't want to fall into the trap of `missing` being wrong. for e in remote_auth_chain: try: - yield self._handle_new_event(origin, e) + await self._handle_new_event(origin, e) except AuthError: pass # Now get the current auth_chain for the event. - local_auth_chain = yield self.store.get_auth_chain( + local_auth_chain = await self.store.get_auth_chain( [auth_id for auth_id in event.auth_event_ids()], include_given=True ) # TODO: Check if we would now reject event_id. If so we need to tell # everyone. - ret = yield self.construct_auth_difference(local_auth_chain, remote_auth_chain) + ret = await self.construct_auth_difference(local_auth_chain, remote_auth_chain) logger.debug("on_query_auth returning: %s", ret) return ret - @defer.inlineCallbacks - def on_get_missing_events( + async def on_get_missing_events( self, origin, room_id, earliest_events, latest_events, limit ): - in_room = yield self.auth.check_host_in_room(room_id, origin) + in_room = await self.auth.check_host_in_room(room_id, origin) if not in_room: raise AuthError(403, "Host not in room.") limit = min(limit, 20) - missing_events = yield self.store.get_missing_events( + missing_events = await self.store.get_missing_events( room_id=room_id, earliest_events=earliest_events, latest_events=latest_events, limit=limit, ) - missing_events = yield filter_events_for_server( + missing_events = await filter_events_for_server( self.storage, origin, missing_events ) return missing_events - @defer.inlineCallbacks - @log_function - def do_auth(self, origin, event, context, auth_events): + async def do_auth( + self, + origin: str, + event: EventBase, + context: EventContext, + auth_events: StateMap[EventBase], + ) -> EventContext: """ Args: - origin (str): - event (synapse.events.EventBase): - context (synapse.events.snapshot.EventContext): - auth_events (dict[(str, str)->synapse.events.EventBase]): + origin: + event: + context: + auth_events: Map from (event_type, state_key) to event Normally, our calculated auth_events based on the state of the room @@ -2242,13 +2211,13 @@ class FederationHandler(BaseHandler): Also NB that this function adds entries to it. Returns: - defer.Deferred[EventContext]: updated context object + updated context object """ - room_version = yield self.store.get_room_version_id(event.room_id) + room_version = await self.store.get_room_version_id(event.room_id) room_version_obj = KNOWN_ROOM_VERSIONS[room_version] try: - context = yield self._update_auth_events_and_context_for_auth( + context = await self._update_auth_events_and_context_for_auth( origin, event, context, auth_events ) except Exception: @@ -2270,10 +2239,13 @@ class FederationHandler(BaseHandler): return context - @defer.inlineCallbacks - def _update_auth_events_and_context_for_auth( - self, origin, event, context, auth_events - ): + async def _update_auth_events_and_context_for_auth( + self, + origin: str, + event: EventBase, + context: EventContext, + auth_events: StateMap[EventBase], + ) -> EventContext: """Helper for do_auth. See there for docs. Checks whether a given event has the expected auth events. If it @@ -2281,16 +2253,16 @@ class FederationHandler(BaseHandler): we can come to a consensus (e.g. if one server missed some valid state). - This attempts to resovle any potential divergence of state between + This attempts to resolve any potential divergence of state between servers, but is not essential and so failures should not block further processing of the event. Args: - origin (str): - event (synapse.events.EventBase): - context (synapse.events.snapshot.EventContext): + origin: + event: + context: - auth_events (dict[(str, str)->synapse.events.EventBase]): + auth_events: Map from (event_type, state_key) to event Normally, our calculated auth_events based on the state of the room @@ -2301,7 +2273,7 @@ class FederationHandler(BaseHandler): Also NB that this function adds entries to it. Returns: - defer.Deferred[EventContext]: updated context + updated context """ event_auth_events = set(event.auth_event_ids()) @@ -2315,7 +2287,7 @@ class FederationHandler(BaseHandler): # # we start by checking if they are in the store, and then try calling /event_auth/. if missing_auth: - have_events = yield self.store.have_seen_events(missing_auth) + have_events = await self.store.have_seen_events(missing_auth) logger.debug("Events %s are in the store", have_events) missing_auth.difference_update(have_events) @@ -2324,7 +2296,7 @@ class FederationHandler(BaseHandler): logger.info("auth_events contains unknown events: %s", missing_auth) try: try: - remote_auth_chain = yield self.federation_client.get_event_auth( + remote_auth_chain = await self.federation_client.get_event_auth( origin, event.room_id, event.event_id ) except RequestSendFailed as e: @@ -2333,7 +2305,7 @@ class FederationHandler(BaseHandler): logger.info("Failed to get event auth from remote: %s", e) return context - seen_remotes = yield self.store.have_seen_events( + seen_remotes = await self.store.have_seen_events( [e.event_id for e in remote_auth_chain] ) @@ -2356,7 +2328,7 @@ class FederationHandler(BaseHandler): logger.debug( "do_auth %s missing_auth: %s", event.event_id, e.event_id ) - yield self._handle_new_event(origin, e, auth_events=auth) + await self._handle_new_event(origin, e, auth_events=auth) if e.event_id in event_auth_events: auth_events[(e.type, e.state_key)] = e @@ -2390,7 +2362,7 @@ class FederationHandler(BaseHandler): # XXX: currently this checks for redactions but I'm not convinced that is # necessary? - different_events = yield self.store.get_events_as_list(different_auth) + different_events = await self.store.get_events_as_list(different_auth) for d in different_events: if d.room_id != event.room_id: @@ -2416,8 +2388,8 @@ class FederationHandler(BaseHandler): remote_auth_events.update({(d.type, d.state_key): d for d in different_events}) remote_state = remote_auth_events.values() - room_version = yield self.store.get_room_version_id(event.room_id) - new_state = yield self.state_handler.resolve_events( + room_version = await self.store.get_room_version_id(event.room_id) + new_state = await self.state_handler.resolve_events( room_version, (local_state, remote_state), event ) @@ -2432,27 +2404,27 @@ class FederationHandler(BaseHandler): auth_events.update(new_state) - context = yield self._update_context_for_auth_events( + context = await self._update_context_for_auth_events( event, context, auth_events ) return context - @defer.inlineCallbacks - def _update_context_for_auth_events(self, event, context, auth_events): + async def _update_context_for_auth_events( + self, event: EventBase, context: EventContext, auth_events: StateMap[EventBase] + ) -> EventContext: """Update the state_ids in an event context after auth event resolution, storing the changes as a new state group. Args: - event (Event): The event we're handling the context for + event: The event we're handling the context for - context (synapse.events.snapshot.EventContext): initial event context + context: initial event context - auth_events (dict[(str, str)->EventBase]): Events to update in the event - context. + auth_events: Events to update in the event context. Returns: - Deferred[EventContext]: new event context + new event context """ # exclude the state key of the new event from the current_state in the context. if event.is_state(): @@ -2463,19 +2435,19 @@ class FederationHandler(BaseHandler): k: a.event_id for k, a in iteritems(auth_events) if k != event_key } - current_state_ids = yield context.get_current_state_ids() + current_state_ids = await context.get_current_state_ids() current_state_ids = dict(current_state_ids) current_state_ids.update(state_updates) - prev_state_ids = yield context.get_prev_state_ids() + prev_state_ids = await context.get_prev_state_ids() prev_state_ids = dict(prev_state_ids) prev_state_ids.update({k: a.event_id for k, a in iteritems(auth_events)}) # create a new state group as a delta from the existing one. prev_group = context.state_group - state_group = yield self.state_store.store_state_group( + state_group = await self.state_store.store_state_group( event.event_id, event.room_id, prev_group=prev_group, @@ -2492,8 +2464,9 @@ class FederationHandler(BaseHandler): delta_ids=state_updates, ) - @defer.inlineCallbacks - def construct_auth_difference(self, local_auth, remote_auth): + async def construct_auth_difference( + self, local_auth: Iterable[EventBase], remote_auth: Iterable[EventBase] + ) -> Dict: """ Given a local and remote auth chain, find the differences. This assumes that we have already processed all events in remote_auth @@ -2602,7 +2575,7 @@ class FederationHandler(BaseHandler): reason_map = {} for e in base_remote_rejected: - reason = yield self.store.get_rejection_reason(e.event_id) + reason = await self.store.get_rejection_reason(e.event_id) if reason is None: # TODO: e is not in the current state, so we should # construct some proof of that. @@ -2687,33 +2660,31 @@ class FederationHandler(BaseHandler): destinations, room_id, event_dict ) - @defer.inlineCallbacks - @log_function - def on_exchange_third_party_invite_request(self, room_id, event_dict): + async def on_exchange_third_party_invite_request( + self, room_id: str, event_dict: JsonDict + ) -> None: """Handle an exchange_third_party_invite request from a remote server The remote server will call this when it wants to turn a 3pid invite into a normal m.room.member invite. Args: - room_id (str): The ID of the room. + room_id: The ID of the room. event_dict (dict[str, Any]): Dictionary containing the event body. - Returns: - Deferred: resolves (to None) """ - room_version = yield self.store.get_room_version_id(room_id) + room_version = await self.store.get_room_version_id(room_id) # NB: event_dict has a particular specced format we might need to fudge # if we change event formats too much. builder = self.event_builder_factory.new(room_version, event_dict) - event, context = yield self.event_creation_handler.create_new_client_event( + event, context = await self.event_creation_handler.create_new_client_event( builder=builder ) - event_allowed = yield self.third_party_event_rules.check_event_allowed( + event_allowed = await self.third_party_event_rules.check_event_allowed( event, context ) if not event_allowed: @@ -2724,16 +2695,16 @@ class FederationHandler(BaseHandler): 403, "This event is not allowed in this context", Codes.FORBIDDEN ) - event, context = yield self.add_display_name_to_third_party_invite( + event, context = await self.add_display_name_to_third_party_invite( room_version, event_dict, event, context ) try: - yield self.auth.check_from_context(room_version, event, context) + await self.auth.check_from_context(room_version, event, context) except AuthError as e: logger.warning("Denying third party invite %r because %s", event, e) raise e - yield self._check_signature(event, context) + await self._check_signature(event, context) # We need to tell the transaction queue to send this out, even # though the sender isn't a local user. @@ -2741,7 +2712,7 @@ class FederationHandler(BaseHandler): # We retrieve the room member handler here as to not cause a cyclic dependency member_handler = self.hs.get_room_member_handler() - yield member_handler.send_membership_event(None, event, context) + await member_handler.send_membership_event(None, event, context) @defer.inlineCallbacks def add_display_name_to_third_party_invite( @@ -2889,27 +2860,27 @@ class FederationHandler(BaseHandler): if "valid" not in response or not response["valid"]: raise AuthError(403, "Third party certificate was invalid") - @defer.inlineCallbacks - def persist_events_and_notify(self, event_and_contexts, backfilled=False): + async def persist_events_and_notify( + self, + event_and_contexts: Sequence[Tuple[EventBase, EventContext]], + backfilled: bool = False, + ) -> None: """Persists events and tells the notifier/pushers about them, if necessary. Args: - event_and_contexts(list[tuple[FrozenEvent, EventContext]]) - backfilled (bool): Whether these events are a result of + event_and_contexts: + backfilled: Whether these events are a result of backfilling or not - - Returns: - Deferred """ if self.config.worker_app: - yield self._send_events_to_master( + await self._send_events_to_master( store=self.store, event_and_contexts=event_and_contexts, backfilled=backfilled, ) else: - max_stream_id = yield self.storage.persistence.persist_events( + max_stream_id = await self.storage.persistence.persist_events( event_and_contexts, backfilled=backfilled ) @@ -2920,15 +2891,17 @@ class FederationHandler(BaseHandler): if not backfilled: # Never notify for backfilled events for event, _ in event_and_contexts: - yield self._notify_persisted_event(event, max_stream_id) + await self._notify_persisted_event(event, max_stream_id) - def _notify_persisted_event(self, event, max_stream_id): + async def _notify_persisted_event( + self, event: EventBase, max_stream_id: int + ) -> None: """Checks to see if notifier/pushers should be notified about the event or not. Args: - event (FrozenEvent) - max_stream_id (int): The max_stream_id returned by persist_events + event: + max_stream_id: The max_stream_id returned by persist_events """ extra_users = [] @@ -2952,29 +2925,29 @@ class FederationHandler(BaseHandler): event, event_stream_id, max_stream_id, extra_users=extra_users ) - return self.pusher_pool.on_new_notifications(event_stream_id, max_stream_id) + await self.pusher_pool.on_new_notifications(event_stream_id, max_stream_id) - def _clean_room_for_join(self, room_id): + async def _clean_room_for_join(self, room_id: str) -> None: """Called to clean up any data in DB for a given room, ready for the server to join the room. Args: - room_id (str) + room_id """ if self.config.worker_app: - return self._clean_room_for_join_client(room_id) + await self._clean_room_for_join_client(room_id) else: - return self.store.clean_room_for_join(room_id) + await self.store.clean_room_for_join(room_id) - def user_joined_room(self, user, room_id): + async def user_joined_room(self, user: UserID, room_id: str) -> None: """Called when a new user has joined the room """ if self.config.worker_app: - return self._notify_user_membership_change( + await self._notify_user_membership_change( room_id=room_id, user_id=user.to_string(), change="joined" ) else: - return defer.succeed(user_joined_room(self.distributor, user, room_id)) + user_joined_room(self.distributor, user, room_id) @defer.inlineCallbacks def get_room_complexity(self, remote_room_hosts, room_id): diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index bdf16c84d3..be6ae18a92 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -932,10 +932,9 @@ class EventCreationHandler(object): # way? If we have been invited by a remote server, we need # to get them to sign the event. - returned_invite = yield federation_handler.send_invite( - invitee.domain, event + returned_invite = yield defer.ensureDeferred( + federation_handler.send_invite(invitee.domain, event) ) - event.unsigned.pop("room_state", None) # TODO: Make sure the signatures actually are correct. diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index 15e8aa5249..4260426369 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -944,8 +944,10 @@ class RoomMemberMasterHandler(RoomMemberHandler): # 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.federation_handler.do_invite_join( - remote_room_hosts, room_id, user.to_string(), content + yield defer.ensureDeferred( + self.federation_handler.do_invite_join( + remote_room_hosts, room_id, user.to_string(), content + ) ) yield self._user_joined_room(user, room_id) @@ -982,8 +984,10 @@ class RoomMemberMasterHandler(RoomMemberHandler): """ fed_handler = self.federation_handler try: - ret = yield fed_handler.do_remotely_reject_invite( - remote_room_hosts, room_id, target.to_string(), content=content, + ret = yield defer.ensureDeferred( + fed_handler.do_remotely_reject_invite( + remote_room_hosts, room_id, target.to_string(), content=content, + ) ) return ret except Exception as e: diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index cd95f85e3f..5f060241b4 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -14,20 +14,30 @@ # See the License for the specific language governing permissions and # limitations under the License. -import collections import itertools import logging +from typing import Any, Dict, FrozenSet, List, Optional, Set, Tuple from six import iteritems, itervalues +import attr from prometheus_client import Counter from synapse.api.constants import EventTypes, Membership +from synapse.api.filtering import FilterCollection +from synapse.events import EventBase from synapse.logging.context import LoggingContext from synapse.push.clientformat import format_push_rules_for_user from synapse.storage.roommember import MemberSummary from synapse.storage.state import StateFilter -from synapse.types import RoomStreamToken +from synapse.types import ( + Collection, + JsonDict, + RoomStreamToken, + StateMap, + StreamToken, + UserID, +) from synapse.util.async_helpers import concurrently_execute from synapse.util.caches.expiringcache import ExpiringCache from synapse.util.caches.lrucache import LruCache @@ -62,17 +72,22 @@ LAZY_LOADED_MEMBERS_CACHE_MAX_AGE = 30 * 60 * 1000 LAZY_LOADED_MEMBERS_CACHE_MAX_SIZE = 100 -SyncConfig = collections.namedtuple( - "SyncConfig", ["user", "filter_collection", "is_guest", "request_key", "device_id"] -) +@attr.s(slots=True, frozen=True) +class SyncConfig: + user = attr.ib(type=UserID) + filter_collection = attr.ib(type=FilterCollection) + is_guest = attr.ib(type=bool) + request_key = attr.ib(type=Tuple[Any, ...]) + device_id = attr.ib(type=str) -class TimelineBatch( - collections.namedtuple("TimelineBatch", ["prev_batch", "events", "limited"]) -): - __slots__ = [] +@attr.s(slots=True, frozen=True) +class TimelineBatch: + prev_batch = attr.ib(type=StreamToken) + events = attr.ib(type=List[EventBase]) + limited = attr.ib(bool) - def __nonzero__(self): + def __nonzero__(self) -> bool: """Make the result appear empty if there are no updates. This is used to tell if room needs to be part of the sync result. """ @@ -81,23 +96,17 @@ class TimelineBatch( __bool__ = __nonzero__ # python3 -class JoinedSyncResult( - collections.namedtuple( - "JoinedSyncResult", - [ - "room_id", # str - "timeline", # TimelineBatch - "state", # dict[(str, str), FrozenEvent] - "ephemeral", - "account_data", - "unread_notifications", - "summary", - ], - ) -): - __slots__ = [] - - def __nonzero__(self): +@attr.s(slots=True, frozen=True) +class JoinedSyncResult: + room_id = attr.ib(type=str) + timeline = attr.ib(type=TimelineBatch) + state = attr.ib(type=StateMap[EventBase]) + ephemeral = attr.ib(type=List[JsonDict]) + account_data = attr.ib(type=List[JsonDict]) + unread_notifications = attr.ib(type=JsonDict) + summary = attr.ib(type=Optional[JsonDict]) + + def __nonzero__(self) -> bool: """Make the result appear empty if there are no updates. This is used to tell if room needs to be part of the sync result. """ @@ -113,20 +122,14 @@ class JoinedSyncResult( __bool__ = __nonzero__ # python3 -class ArchivedSyncResult( - collections.namedtuple( - "ArchivedSyncResult", - [ - "room_id", # str - "timeline", # TimelineBatch - "state", # dict[(str, str), FrozenEvent] - "account_data", - ], - ) -): - __slots__ = [] - - def __nonzero__(self): +@attr.s(slots=True, frozen=True) +class ArchivedSyncResult: + room_id = attr.ib(type=str) + timeline = attr.ib(type=TimelineBatch) + state = attr.ib(type=StateMap[EventBase]) + account_data = attr.ib(type=List[JsonDict]) + + def __nonzero__(self) -> bool: """Make the result appear empty if there are no updates. This is used to tell if room needs to be part of the sync result. """ @@ -135,70 +138,88 @@ class ArchivedSyncResult( __bool__ = __nonzero__ # python3 -class InvitedSyncResult( - collections.namedtuple( - "InvitedSyncResult", - ["room_id", "invite"], # str # FrozenEvent: the invite event - ) -): - __slots__ = [] +@attr.s(slots=True, frozen=True) +class InvitedSyncResult: + room_id = attr.ib(type=str) + invite = attr.ib(type=EventBase) - def __nonzero__(self): + def __nonzero__(self) -> bool: """Invited rooms should always be reported to the client""" return True __bool__ = __nonzero__ # python3 -class GroupsSyncResult( - collections.namedtuple("GroupsSyncResult", ["join", "invite", "leave"]) -): - __slots__ = [] +@attr.s(slots=True, frozen=True) +class GroupsSyncResult: + join = attr.ib(type=JsonDict) + invite = attr.ib(type=JsonDict) + leave = attr.ib(type=JsonDict) - def __nonzero__(self): + def __nonzero__(self) -> bool: return bool(self.join or self.invite or self.leave) __bool__ = __nonzero__ # python3 -class DeviceLists( - collections.namedtuple( - "DeviceLists", - [ - "changed", # list of user_ids whose devices may have changed - "left", # list of user_ids whose devices we no longer track - ], - ) -): - __slots__ = [] +@attr.s(slots=True, frozen=True) +class DeviceLists: + """ + Attributes: + changed: List of user_ids whose devices may have changed + left: List of user_ids whose devices we no longer track + """ + + changed = attr.ib(type=Collection[str]) + left = attr.ib(type=Collection[str]) - def __nonzero__(self): + def __nonzero__(self) -> bool: return bool(self.changed or self.left) __bool__ = __nonzero__ # python3 -class SyncResult( - collections.namedtuple( - "SyncResult", - [ - "next_batch", # Token for the next sync - "presence", # List of presence events for the user. - "account_data", # List of account_data events for the user. - "joined", # JoinedSyncResult for each joined room. - "invited", # InvitedSyncResult for each invited room. - "archived", # ArchivedSyncResult for each archived room. - "to_device", # List of direct messages for the device. - "device_lists", # List of user_ids whose devices have changed - "device_one_time_keys_count", # Dict of algorithm to count for one time keys - # for this device - "groups", - ], - ) -): - __slots__ = [] - - def __nonzero__(self): +@attr.s +class _RoomChanges: + """The set of room entries to include in the sync, plus the set of joined + and left room IDs since last sync. + """ + + room_entries = attr.ib(type=List["RoomSyncResultBuilder"]) + invited = attr.ib(type=List[InvitedSyncResult]) + newly_joined_rooms = attr.ib(type=List[str]) + newly_left_rooms = attr.ib(type=List[str]) + + +@attr.s(slots=True, frozen=True) +class SyncResult: + """ + Attributes: + next_batch: Token for the next sync + presence: List of presence events for the user. + account_data: List of account_data events for the user. + joined: JoinedSyncResult for each joined room. + invited: InvitedSyncResult for each invited room. + archived: ArchivedSyncResult for each archived room. + to_device: List of direct messages for the device. + device_lists: List of user_ids whose devices have changed + device_one_time_keys_count: Dict of algorithm to count for one time keys + for this device + groups: Group updates, if any + """ + + next_batch = attr.ib(type=StreamToken) + presence = attr.ib(type=List[JsonDict]) + account_data = attr.ib(type=List[JsonDict]) + joined = attr.ib(type=List[JoinedSyncResult]) + invited = attr.ib(type=List[InvitedSyncResult]) + archived = attr.ib(type=List[ArchivedSyncResult]) + to_device = attr.ib(type=List[JsonDict]) + device_lists = attr.ib(type=DeviceLists) + device_one_time_keys_count = attr.ib(type=JsonDict) + groups = attr.ib(type=Optional[GroupsSyncResult]) + + def __nonzero__(self) -> bool: """Make the result appear empty if there are no updates. This is used to tell if the notifier needs to wait for more events when polling for events. @@ -240,13 +261,15 @@ class SyncHandler(object): ) async def wait_for_sync_for_user( - self, sync_config, since_token=None, timeout=0, full_state=False - ): + self, + sync_config: SyncConfig, + since_token: Optional[StreamToken] = None, + timeout: int = 0, + full_state: bool = False, + ) -> SyncResult: """Get the sync for a client if we have new data for it now. Otherwise wait for new data to arrive on the server. If the timeout expires, then return an empty sync result. - Returns: - Deferred[SyncResult] """ # If the user is not part of the mau group, then check that limits have # not been exceeded (if not part of the group by this point, almost certain @@ -265,8 +288,12 @@ class SyncHandler(object): return res async def _wait_for_sync_for_user( - self, sync_config, since_token, timeout, full_state - ): + self, + sync_config: SyncConfig, + since_token: Optional[StreamToken] = None, + timeout: int = 0, + full_state: bool = False, + ) -> SyncResult: if since_token is None: sync_type = "initial_sync" elif full_state: @@ -305,25 +332,33 @@ class SyncHandler(object): return result - def current_sync_for_user(self, sync_config, since_token=None, full_state=False): + async def current_sync_for_user( + self, + sync_config: SyncConfig, + since_token: Optional[StreamToken] = None, + full_state: bool = False, + ) -> SyncResult: """Get the sync for client needed to match what the server has now. - Returns: - A Deferred SyncResult. """ - return self.generate_sync_result(sync_config, since_token, full_state) + return await self.generate_sync_result(sync_config, since_token, full_state) - async def push_rules_for_user(self, user): + async def push_rules_for_user(self, user: UserID) -> JsonDict: user_id = user.to_string() rules = await self.store.get_push_rules_for_user(user_id) rules = format_push_rules_for_user(user, rules) return rules - async def ephemeral_by_room(self, sync_result_builder, now_token, since_token=None): + async def ephemeral_by_room( + self, + sync_result_builder: "SyncResultBuilder", + now_token: StreamToken, + since_token: Optional[StreamToken] = None, + ) -> Tuple[StreamToken, Dict[str, List[JsonDict]]]: """Get the ephemeral events for each room the user is in Args: - sync_result_builder(SyncResultBuilder) - now_token (StreamToken): Where the server is currently up to. - since_token (StreamToken): Where the server was when the client + sync_result_builder + now_token: Where the server is currently up to. + since_token: Where the server was when the client last synced. Returns: A tuple of the now StreamToken, updated to reflect the which typing @@ -348,7 +383,7 @@ class SyncHandler(object): ) now_token = now_token.copy_and_replace("typing_key", typing_key) - ephemeral_by_room = {} + ephemeral_by_room = {} # type: JsonDict for event in typing: # we want to exclude the room_id from the event, but modifying the @@ -380,13 +415,13 @@ class SyncHandler(object): async def _load_filtered_recents( self, - room_id, - sync_config, - now_token, - since_token=None, - recents=None, - newly_joined_room=False, - ): + room_id: str, + sync_config: SyncConfig, + now_token: StreamToken, + since_token: Optional[StreamToken] = None, + potential_recents: Optional[List[EventBase]] = None, + newly_joined_room: bool = False, + ) -> TimelineBatch: """ Returns: a Deferred TimelineBatch @@ -397,21 +432,29 @@ class SyncHandler(object): sync_config.filter_collection.blocks_all_room_timeline() ) - if recents is None or newly_joined_room or timeline_limit < len(recents): + if ( + potential_recents is None + or newly_joined_room + or timeline_limit < len(potential_recents) + ): limited = True else: limited = False - if recents: - recents = sync_config.filter_collection.filter_room_timeline(recents) + if potential_recents: + recents = sync_config.filter_collection.filter_room_timeline( + potential_recents + ) # We check if there are any state events, if there are then we pass # all current state events to the filter_events function. This is to # ensure that we always include current state in the timeline - current_state_ids = frozenset() + current_state_ids = frozenset() # type: FrozenSet[str] if any(e.is_state() for e in recents): - current_state_ids = await self.state.get_current_state_ids(room_id) - current_state_ids = frozenset(itervalues(current_state_ids)) + current_state_ids_map = await self.state.get_current_state_ids( + room_id + ) + current_state_ids = frozenset(itervalues(current_state_ids_map)) recents = await filter_events_for_client( self.storage, @@ -463,8 +506,10 @@ class SyncHandler(object): # ensure that we always include current state in the timeline current_state_ids = frozenset() if any(e.is_state() for e in loaded_recents): - current_state_ids = await self.state.get_current_state_ids(room_id) - current_state_ids = frozenset(itervalues(current_state_ids)) + current_state_ids_map = await self.state.get_current_state_ids( + room_id + ) + current_state_ids = frozenset(itervalues(current_state_ids_map)) loaded_recents = await filter_events_for_client( self.storage, @@ -493,17 +538,15 @@ class SyncHandler(object): limited=limited or newly_joined_room, ) - async def get_state_after_event(self, event, state_filter=StateFilter.all()): + async def get_state_after_event( + self, event: EventBase, state_filter: StateFilter = StateFilter.all() + ) -> StateMap[str]: """ Get the room state after the given event Args: - event(synapse.events.EventBase): event of interest - state_filter (StateFilter): The state filter used to fetch state - from the database. - - Returns: - A Deferred map from ((type, state_key)->Event) + event: event of interest + state_filter: The state filter used to fetch state from the database. """ state_ids = await self.state_store.get_state_ids_for_event( event.event_id, state_filter=state_filter @@ -514,18 +557,17 @@ class SyncHandler(object): return state_ids async def get_state_at( - self, room_id, stream_position, state_filter=StateFilter.all() - ): + self, + room_id: str, + stream_position: StreamToken, + state_filter: StateFilter = StateFilter.all(), + ) -> StateMap[str]: """ Get the room state at a particular stream position Args: - room_id(str): room for which to get state - stream_position(StreamToken): point at which to get state - state_filter (StateFilter): The state filter used to fetch state - from the database. - - Returns: - A Deferred map from ((type, state_key)->Event) + room_id: room for which to get state + stream_position: point at which to get state + state_filter: The state filter used to fetch state from the database. """ # FIXME this claims to get the state at a stream position, but # get_recent_events_for_room operates by topo ordering. This therefore @@ -546,23 +588,25 @@ class SyncHandler(object): state = {} return state - async def compute_summary(self, room_id, sync_config, batch, state, now_token): + async def compute_summary( + self, + room_id: str, + sync_config: SyncConfig, + batch: TimelineBatch, + state: StateMap[EventBase], + now_token: StreamToken, + ) -> Optional[JsonDict]: """ Works out a room summary block for this room, summarising the number of joined members in the room, and providing the 'hero' members if the room has no name so clients can consistently name rooms. Also adds state events to 'state' if needed to describe the heroes. - Args: - room_id(str): - sync_config(synapse.handlers.sync.SyncConfig): - batch(synapse.handlers.sync.TimelineBatch): The timeline batch for - the room that will be sent to the user. - state(dict): dict of (type, state_key) -> Event as returned by - compute_state_delta - now_token(str): Token of the end of the current batch. - - Returns: - A deferred dict describing the room summary + Args + room_id + sync_config + batch: The timeline batch for the room that will be sent to the user. + state: State as returned by compute_state_delta + now_token: Token of the end of the current batch. """ # FIXME: we could/should get this from room_stats when matthew/stats lands @@ -681,7 +725,7 @@ class SyncHandler(object): return summary - def get_lazy_loaded_members_cache(self, cache_key): + def get_lazy_loaded_members_cache(self, cache_key: Tuple[str, str]) -> LruCache: cache = self.lazy_loaded_members_cache.get(cache_key) if cache is None: logger.debug("creating LruCache for %r", cache_key) @@ -692,23 +736,24 @@ class SyncHandler(object): return cache async def compute_state_delta( - self, room_id, batch, sync_config, since_token, now_token, full_state - ): + self, + room_id: str, + batch: TimelineBatch, + sync_config: SyncConfig, + since_token: Optional[StreamToken], + now_token: StreamToken, + full_state: bool, + ) -> StateMap[EventBase]: """ Works out the difference in state between the start of the timeline and the previous sync. Args: - room_id(str): - batch(synapse.handlers.sync.TimelineBatch): The timeline batch for - the room that will be sent to the user. - sync_config(synapse.handlers.sync.SyncConfig): - since_token(str|None): Token of the end of the previous batch. May - be None. - now_token(str): Token of the end of the current batch. - full_state(bool): Whether to force returning the full state. - - Returns: - A deferred dict of (type, state_key) -> Event + room_id: + batch: The timeline batch for the room that will be sent to the user. + sync_config: + since_token: Token of the end of the previous batch. May be None. + now_token: Token of the end of the current batch. + full_state: Whether to force returning the full state. """ # TODO(mjark) Check if the state events were received by the server # after the previous sync, since we need to include those state @@ -800,6 +845,10 @@ class SyncHandler(object): # about them). state_filter = StateFilter.all() + # If this is an initial sync then full_state should be set, and + # that case is handled above. We assert here to ensure that this + # is indeed the case. + assert since_token is not None state_at_previous_sync = await self.get_state_at( room_id, stream_position=since_token, state_filter=state_filter ) @@ -874,7 +923,7 @@ class SyncHandler(object): if t[0] == EventTypes.Member: cache.set(t[1], event_id) - state = {} + state = {} # type: Dict[str, EventBase] if state_ids: state = await self.store.get_events(list(state_ids.values())) @@ -885,7 +934,9 @@ class SyncHandler(object): ) } - async def unread_notifs_for_room_id(self, room_id, sync_config): + async def unread_notifs_for_room_id( + self, room_id: str, sync_config: SyncConfig + ) -> Optional[Dict[str, str]]: with Measure(self.clock, "unread_notifs_for_room_id"): last_unread_event_id = await self.store.get_last_receipt_event_id_for_user( user_id=sync_config.user.to_string(), @@ -893,7 +944,6 @@ class SyncHandler(object): receipt_type="m.read", ) - notifs = [] if last_unread_event_id: notifs = await self.store.get_unread_event_push_actions_by_room_for_user( room_id, sync_config.user.to_string(), last_unread_event_id @@ -905,17 +955,12 @@ class SyncHandler(object): return None async def generate_sync_result( - self, sync_config, since_token=None, full_state=False - ): + self, + sync_config: SyncConfig, + since_token: Optional[StreamToken] = None, + full_state: bool = False, + ) -> SyncResult: """Generates a sync result. - - Args: - sync_config (SyncConfig) - since_token (StreamToken) - full_state (bool) - - Returns: - Deferred(SyncResult) """ # NB: The now_token gets changed by some of the generate_sync_* methods, # this is due to some of the underlying streams not supporting the ability @@ -977,7 +1022,7 @@ class SyncHandler(object): ) device_id = sync_config.device_id - one_time_key_counts = {} + one_time_key_counts = {} # type: JsonDict if device_id: one_time_key_counts = await self.store.count_e2e_one_time_keys( user_id, device_id @@ -1007,7 +1052,9 @@ class SyncHandler(object): ) @measure_func("_generate_sync_entry_for_groups") - async def _generate_sync_entry_for_groups(self, sync_result_builder): + async def _generate_sync_entry_for_groups( + self, sync_result_builder: "SyncResultBuilder" + ) -> None: user_id = sync_result_builder.sync_config.user.to_string() since_token = sync_result_builder.since_token now_token = sync_result_builder.now_token @@ -1052,27 +1099,22 @@ class SyncHandler(object): @measure_func("_generate_sync_entry_for_device_list") async def _generate_sync_entry_for_device_list( self, - sync_result_builder, - newly_joined_rooms, - newly_joined_or_invited_users, - newly_left_rooms, - newly_left_users, - ): + sync_result_builder: "SyncResultBuilder", + newly_joined_rooms: Set[str], + newly_joined_or_invited_users: Set[str], + newly_left_rooms: Set[str], + newly_left_users: Set[str], + ) -> DeviceLists: """Generate the DeviceLists section of sync Args: - sync_result_builder (SyncResultBuilder) - newly_joined_rooms (set[str]): Set of rooms user has joined since - previous sync - newly_joined_or_invited_users (set[str]): Set of users that have - joined or been invited to a room since previous sync. - newly_left_rooms (set[str]): Set of rooms user has left since + sync_result_builder + newly_joined_rooms: Set of rooms user has joined since previous sync + newly_joined_or_invited_users: Set of users that have joined or + been invited to a room since previous sync. + newly_left_rooms: Set of rooms user has left since previous sync + newly_left_users: Set of users that have left a room we're in since previous sync - newly_left_users (set[str]): Set of users that have left a room - we're in since previous sync - - Returns: - Deferred[DeviceLists] """ user_id = sync_result_builder.sync_config.user.to_string() @@ -1133,15 +1175,11 @@ class SyncHandler(object): else: return DeviceLists(changed=[], left=[]) - async def _generate_sync_entry_for_to_device(self, sync_result_builder): + async def _generate_sync_entry_for_to_device( + self, sync_result_builder: "SyncResultBuilder" + ) -> None: """Generates the portion of the sync response. Populates `sync_result_builder` with the result. - - Args: - sync_result_builder(SyncResultBuilder) - - Returns: - Deferred(dict): A dictionary containing the per room account data. """ user_id = sync_result_builder.sync_config.user.to_string() device_id = sync_result_builder.sync_config.device_id @@ -1179,15 +1217,17 @@ class SyncHandler(object): else: sync_result_builder.to_device = [] - async def _generate_sync_entry_for_account_data(self, sync_result_builder): + async def _generate_sync_entry_for_account_data( + self, sync_result_builder: "SyncResultBuilder" + ) -> Dict[str, Dict[str, JsonDict]]: """Generates the account data portion of the sync response. Populates `sync_result_builder` with the result. Args: - sync_result_builder(SyncResultBuilder) + sync_result_builder Returns: - Deferred(dict): A dictionary containing the per room account data. + A dictionary containing the per room account data. """ sync_config = sync_result_builder.sync_config user_id = sync_result_builder.sync_config.user.to_string() @@ -1231,18 +1271,21 @@ class SyncHandler(object): return account_data_by_room async def _generate_sync_entry_for_presence( - self, sync_result_builder, newly_joined_rooms, newly_joined_or_invited_users - ): + self, + sync_result_builder: "SyncResultBuilder", + newly_joined_rooms: Set[str], + newly_joined_or_invited_users: Set[str], + ) -> None: """Generates the presence portion of the sync response. Populates the `sync_result_builder` with the result. Args: - sync_result_builder(SyncResultBuilder) - newly_joined_rooms(list): List of rooms that the user has joined - since the last sync (or empty if an initial sync) - newly_joined_or_invited_users(list): List of users that have joined - or been invited to rooms since the last sync (or empty if an initial - sync) + sync_result_builder + newly_joined_rooms: Set of rooms that the user has joined since + the last sync (or empty if an initial sync) + newly_joined_or_invited_users: Set of users that have joined or + been invited to rooms since the last sync (or empty if an + initial sync) """ now_token = sync_result_builder.now_token sync_config = sync_result_builder.sync_config @@ -1286,17 +1329,19 @@ class SyncHandler(object): sync_result_builder.presence = presence async def _generate_sync_entry_for_rooms( - self, sync_result_builder, account_data_by_room - ): + self, + sync_result_builder: "SyncResultBuilder", + account_data_by_room: Dict[str, Dict[str, JsonDict]], + ) -> Tuple[Set[str], Set[str], Set[str], Set[str]]: """Generates the rooms portion of the sync response. Populates the `sync_result_builder` with the result. Args: - sync_result_builder(SyncResultBuilder) - account_data_by_room(dict): Dictionary of per room account data + sync_result_builder + account_data_by_room: Dictionary of per room account data Returns: - Deferred(tuple): Returns a 4-tuple of + Returns a 4-tuple of `(newly_joined_rooms, newly_joined_or_invited_users, newly_left_rooms, newly_left_users)` """ @@ -1307,7 +1352,7 @@ class SyncHandler(object): ) if block_all_room_ephemeral: - ephemeral_by_room = {} + ephemeral_by_room = {} # type: Dict[str, List[JsonDict]] else: now_token, ephemeral_by_room = await self.ephemeral_by_room( sync_result_builder, @@ -1328,7 +1373,7 @@ class SyncHandler(object): ) if not tags_by_room: logger.debug("no-oping sync") - return [], [], [], [] + return set(), set(), set(), set() ignored_account_data = await self.store.get_global_account_data_by_type_for_user( "m.ignored_user_list", user_id=user_id @@ -1340,19 +1385,22 @@ class SyncHandler(object): ignored_users = frozenset() if since_token: - res = await self._get_rooms_changed(sync_result_builder, ignored_users) - room_entries, invited, newly_joined_rooms, newly_left_rooms = res - + room_changes = await self._get_rooms_changed( + sync_result_builder, ignored_users + ) tags_by_room = await self.store.get_updated_tags( user_id, since_token.account_data_key ) else: - res = await self._get_all_rooms(sync_result_builder, ignored_users) - room_entries, invited, newly_joined_rooms = res - newly_left_rooms = [] + room_changes = await self._get_all_rooms(sync_result_builder, ignored_users) tags_by_room = await self.store.get_tags_for_user(user_id) + room_entries = room_changes.room_entries + invited = room_changes.invited + newly_joined_rooms = room_changes.newly_joined_rooms + newly_left_rooms = room_changes.newly_left_rooms + def handle_room_entries(room_entry): return self._generate_room_entry( sync_result_builder, @@ -1392,13 +1440,15 @@ class SyncHandler(object): newly_left_users -= newly_joined_or_invited_users return ( - newly_joined_rooms, + set(newly_joined_rooms), newly_joined_or_invited_users, - newly_left_rooms, + set(newly_left_rooms), newly_left_users, ) - async def _have_rooms_changed(self, sync_result_builder): + async def _have_rooms_changed( + self, sync_result_builder: "SyncResultBuilder" + ) -> bool: """Returns whether there may be any new events that should be sent down the sync. Returns True if there are. """ @@ -1422,22 +1472,10 @@ class SyncHandler(object): return True return False - async def _get_rooms_changed(self, sync_result_builder, ignored_users): + async def _get_rooms_changed( + self, sync_result_builder: "SyncResultBuilder", ignored_users: Set[str] + ) -> _RoomChanges: """Gets the the changes that have happened since the last sync. - - Args: - sync_result_builder(SyncResultBuilder) - ignored_users(set(str)): Set of users ignored by user. - - Returns: - Deferred(tuple): Returns a tuple of the form: - `(room_entries, invited_rooms, newly_joined_rooms, newly_left_rooms)` - - where: - room_entries is a list [RoomSyncResultBuilder] - invited_rooms is a list [InvitedSyncResult] - newly_joined_rooms is a list[str] of room ids - newly_left_rooms is a list[str] of room ids """ user_id = sync_result_builder.sync_config.user.to_string() since_token = sync_result_builder.since_token @@ -1451,7 +1489,7 @@ class SyncHandler(object): user_id, since_token.room_key, now_token.room_key ) - mem_change_events_by_room_id = {} + mem_change_events_by_room_id = {} # type: Dict[str, List[EventBase]] for event in rooms_changed: mem_change_events_by_room_id.setdefault(event.room_id, []).append(event) @@ -1570,7 +1608,7 @@ class SyncHandler(object): # This is all screaming out for a refactor, as the logic here is # subtle and the moving parts numerous. if leave_event.internal_metadata.is_out_of_band_membership(): - batch_events = [leave_event] + batch_events = [leave_event] # type: Optional[List[EventBase]] else: batch_events = None @@ -1636,18 +1674,17 @@ class SyncHandler(object): ) room_entries.append(entry) - return room_entries, invited, newly_joined_rooms, newly_left_rooms + return _RoomChanges(room_entries, invited, newly_joined_rooms, newly_left_rooms) - async def _get_all_rooms(self, sync_result_builder, ignored_users): + async def _get_all_rooms( + self, sync_result_builder: "SyncResultBuilder", ignored_users: Set[str] + ) -> _RoomChanges: """Returns entries for all rooms for the user. Args: - sync_result_builder(SyncResultBuilder) - ignored_users(set(str)): Set of users ignored by user. + sync_result_builder + ignored_users: Set of users ignored by user. - Returns: - Deferred(tuple): Returns a tuple of the form: - `([RoomSyncResultBuilder], [InvitedSyncResult], [])` """ user_id = sync_result_builder.sync_config.user.to_string() @@ -1709,30 +1746,30 @@ class SyncHandler(object): ) ) - return room_entries, invited, [] + return _RoomChanges(room_entries, invited, [], []) async def _generate_room_entry( self, - sync_result_builder, - ignored_users, - room_builder, - ephemeral, - tags, - account_data, - always_include=False, + sync_result_builder: "SyncResultBuilder", + ignored_users: Set[str], + room_builder: "RoomSyncResultBuilder", + ephemeral: List[JsonDict], + tags: Optional[List[JsonDict]], + account_data: Dict[str, JsonDict], + always_include: bool = False, ): """Populates the `joined` and `archived` section of `sync_result_builder` based on the `room_builder`. Args: - sync_result_builder(SyncResultBuilder) - ignored_users(set(str)): Set of users ignored by user. - room_builder(RoomSyncResultBuilder) - ephemeral(list): List of new ephemeral events for room - tags(list): List of *all* tags for room, or None if there has been + sync_result_builder + ignored_users: Set of users ignored by user. + room_builder + ephemeral: List of new ephemeral events for room + tags: List of *all* tags for room, or None if there has been no change. - account_data(list): List of new account data for room - always_include(bool): Always include this room in the sync response, + account_data: List of new account data for room + always_include: Always include this room in the sync response, even if empty. """ newly_joined = room_builder.newly_joined @@ -1758,7 +1795,7 @@ class SyncHandler(object): sync_config, now_token=upto_token, since_token=since_token, - recents=events, + potential_recents=events, newly_joined_room=newly_joined, ) @@ -1809,7 +1846,7 @@ class SyncHandler(object): room_id, batch, sync_config, since_token, now_token, full_state=full_state ) - summary = {} + summary = {} # type: Optional[JsonDict] # we include a summary in room responses when we're lazy loading # members (as the client otherwise doesn't have enough info to form @@ -1833,7 +1870,7 @@ class SyncHandler(object): ) if room_builder.rtype == "joined": - unread_notifications = {} + unread_notifications = {} # type: Dict[str, str] room_sync = JoinedSyncResult( room_id=room_id, timeline=batch, @@ -1860,18 +1897,20 @@ class SyncHandler(object): % (room_id, user_id, len(state)) ) elif room_builder.rtype == "archived": - room_sync = ArchivedSyncResult( + archived_room_sync = ArchivedSyncResult( room_id=room_id, timeline=batch, state=state, account_data=account_data_events, ) - if room_sync or always_include: - sync_result_builder.archived.append(room_sync) + if archived_room_sync or always_include: + sync_result_builder.archived.append(archived_room_sync) else: raise Exception("Unrecognized rtype: %r", room_builder.rtype) - async def get_rooms_for_user_at(self, user_id, stream_ordering): + async def get_rooms_for_user_at( + self, user_id: str, stream_ordering: int + ) -> FrozenSet[str]: """Get set of joined rooms for a user at the given stream ordering. The stream ordering *must* be recent, otherwise this may throw an @@ -1879,12 +1918,11 @@ class SyncHandler(object): current token, which should be perfectly fine). Args: - user_id (str) - stream_ordering (int) + user_id + stream_ordering ReturnValue: - Deferred[frozenset[str]]: Set of room_ids the user is in at given - stream_ordering. + Set of room_ids the user is in at given stream_ordering. """ joined_rooms = await self.store.get_rooms_for_user_with_stream_ordering(user_id) @@ -1911,11 +1949,10 @@ class SyncHandler(object): if user_id in users_in_room: joined_room_ids.add(room_id) - joined_room_ids = frozenset(joined_room_ids) - return joined_room_ids + return frozenset(joined_room_ids) -def _action_has_highlight(actions): +def _action_has_highlight(actions: List[JsonDict]) -> bool: for action in actions: try: if action.get("set_tweak", None) == "highlight": @@ -1927,22 +1964,23 @@ def _action_has_highlight(actions): def _calculate_state( - timeline_contains, timeline_start, previous, current, lazy_load_members -): + timeline_contains: StateMap[str], + timeline_start: StateMap[str], + previous: StateMap[str], + current: StateMap[str], + lazy_load_members: bool, +) -> StateMap[str]: """Works out what state to include in a sync response. Args: - timeline_contains (dict): state in the timeline - timeline_start (dict): state at the start of the timeline - previous (dict): state at the end of the previous sync (or empty dict + timeline_contains: state in the timeline + timeline_start: state at the start of the timeline + previous: state at the end of the previous sync (or empty dict if this is an initial sync) - current (dict): state at the end of the timeline - lazy_load_members (bool): whether to return members from timeline_start + current: state at the end of the timeline + lazy_load_members: whether to return members from timeline_start or not. assumes that timeline_start has already been filtered to include only the members the client needs to know about. - - Returns: - dict """ event_id_to_key = { e: key @@ -1979,15 +2017,16 @@ def _calculate_state( return {event_id_to_key[e]: e for e in state_ids} -class SyncResultBuilder(object): +@attr.s +class SyncResultBuilder: """Used to help build up a new SyncResult for a user Attributes: - sync_config (SyncConfig) - full_state (bool) - since_token (StreamToken) - now_token (StreamToken) - joined_room_ids (list[str]) + sync_config + full_state: The full_state flag as specified by user + since_token: The token supplied by user, or None. + now_token: The token to sync up to. + joined_room_ids: List of rooms the user is joined to # The following mirror the fields in a sync response presence (list) @@ -1995,61 +2034,45 @@ class SyncResultBuilder(object): joined (list[JoinedSyncResult]) invited (list[InvitedSyncResult]) archived (list[ArchivedSyncResult]) - device (list) groups (GroupsSyncResult|None) to_device (list) """ - def __init__( - self, sync_config, full_state, since_token, now_token, joined_room_ids - ): - """ - Args: - sync_config (SyncConfig) - full_state (bool): The full_state flag as specified by user - since_token (StreamToken): The token supplied by user, or None. - now_token (StreamToken): The token to sync up to. - joined_room_ids (list[str]): List of rooms the user is joined to - """ - self.sync_config = sync_config - self.full_state = full_state - self.since_token = since_token - self.now_token = now_token - self.joined_room_ids = joined_room_ids - - self.presence = [] - self.account_data = [] - self.joined = [] - self.invited = [] - self.archived = [] - self.device = [] - self.groups = None - self.to_device = [] + sync_config = attr.ib(type=SyncConfig) + full_state = attr.ib(type=bool) + since_token = attr.ib(type=Optional[StreamToken]) + now_token = attr.ib(type=StreamToken) + joined_room_ids = attr.ib(type=FrozenSet[str]) + + presence = attr.ib(type=List[JsonDict], default=attr.Factory(list)) + account_data = attr.ib(type=List[JsonDict], default=attr.Factory(list)) + joined = attr.ib(type=List[JoinedSyncResult], default=attr.Factory(list)) + invited = attr.ib(type=List[InvitedSyncResult], default=attr.Factory(list)) + archived = attr.ib(type=List[ArchivedSyncResult], default=attr.Factory(list)) + groups = attr.ib(type=Optional[GroupsSyncResult], default=None) + to_device = attr.ib(type=List[JsonDict], default=attr.Factory(list)) +@attr.s class RoomSyncResultBuilder(object): """Stores information needed to create either a `JoinedSyncResult` or `ArchivedSyncResult`. + + Attributes: + room_id + rtype: One of `"joined"` or `"archived"` + events: List of events to include in the room (more events may be added + when generating result). + newly_joined: If the user has newly joined the room + full_state: Whether the full state should be sent in result + since_token: Earliest point to return events from, or None + upto_token: Latest point to return events from. """ - def __init__( - self, room_id, rtype, events, newly_joined, full_state, since_token, upto_token - ): - """ - Args: - room_id(str) - rtype(str): One of `"joined"` or `"archived"` - events(list[FrozenEvent]): List of events to include in the room - (more events may be added when generating result). - newly_joined(bool): If the user has newly joined the room - full_state(bool): Whether the full state should be sent in result - since_token(StreamToken): Earliest point to return events from, or None - upto_token(StreamToken): Latest point to return events from. - """ - self.room_id = room_id - self.rtype = rtype - self.events = events - self.newly_joined = newly_joined - self.full_state = full_state - self.since_token = since_token - self.upto_token = upto_token + room_id = attr.ib(type=str) + rtype = attr.ib(type=str) + events = attr.ib(type=Optional[List[EventBase]]) + newly_joined = attr.ib(type=bool) + full_state = attr.ib(type=bool) + since_token = attr.ib(type=Optional[StreamToken]) + upto_token = attr.ib(type=StreamToken) |