diff options
Diffstat (limited to '')
| -rw-r--r-- | changelog.d/13800.misc | 1 | ||||
| -rw-r--r-- | synapse/handlers/message.py | 663 | ||||
| -rw-r--r-- | synapse/handlers/room.py | 21 | ||||
| -rw-r--r-- | synapse/handlers/room_batch.py | 3 | ||||
| -rw-r--r-- | synapse/handlers/room_member.py | 11 | ||||
| -rw-r--r-- | synapse/replication/http/__init__.py | 2 | ||||
| -rw-r--r-- | synapse/replication/http/send_event.py | 4 | ||||
| -rw-r--r-- | synapse/replication/http/send_events.py | 171 | ||||
| -rw-r--r-- | tests/handlers/test_message.py | 10 | ||||
| -rw-r--r-- | tests/handlers/test_register.py | 4 | ||||
| -rw-r--r-- | tests/storage/test_event_chain.py | 8 | ||||
| -rw-r--r-- | tests/unittest.py | 4 |
12 files changed, 563 insertions, 339 deletions
diff --git a/changelog.d/13800.misc b/changelog.d/13800.misc new file mode 100644 index 0000000000..761adc8b05 --- /dev/null +++ b/changelog.d/13800.misc @@ -0,0 +1 @@ +Speed up creation of DM rooms. diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 062f93bc67..00e7645ba5 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -56,11 +56,13 @@ from synapse.logging import opentracing from synapse.logging.context import make_deferred_yieldable, run_in_background from synapse.metrics.background_process_metrics import run_as_background_process from synapse.replication.http.send_event import ReplicationSendEventRestServlet +from synapse.replication.http.send_events import ReplicationSendEventsRestServlet from synapse.storage.databases.main.events import PartialStateConflictError from synapse.storage.databases.main.events_worker import EventRedactBehaviour from synapse.storage.state import StateFilter from synapse.types import ( MutableStateMap, + PersistedEventPosition, Requester, RoomAlias, StateMap, @@ -493,6 +495,7 @@ class EventCreationHandler: self.membership_types_to_include_profile_data_in.add(Membership.INVITE) self.send_event = ReplicationSendEventRestServlet.make_client(hs) + self.send_events = ReplicationSendEventsRestServlet.make_client(hs) self.request_ratelimiter = hs.get_request_ratelimiter() @@ -1016,8 +1019,7 @@ class EventCreationHandler: ev = await self.handle_new_client_event( requester=requester, - event=event, - context=context, + events_and_context=[(event, context)], ratelimit=ratelimit, ignore_shadow_ban=ignore_shadow_ban, ) @@ -1293,13 +1295,13 @@ class EventCreationHandler: async def handle_new_client_event( self, requester: Requester, - event: EventBase, - context: EventContext, + events_and_context: List[Tuple[EventBase, EventContext]], ratelimit: bool = True, extra_users: Optional[List[UserID]] = None, ignore_shadow_ban: bool = False, ) -> EventBase: - """Processes a new event. + """Processes new events. Please note that if batch persisting events, an error in + handling any one of these events will result in all of the events being dropped. This includes deduplicating, checking auth, persisting, notifying users, sending to remote servers, etc. @@ -1309,8 +1311,7 @@ class EventCreationHandler: Args: requester - event - context + events_and_context: A list of one or more tuples of event, context to be persisted ratelimit extra_users: Any extra users to notify about event @@ -1328,62 +1329,63 @@ class EventCreationHandler: """ extra_users = extra_users or [] - # we don't apply shadow-banning to membership events here. Invites are blocked - # higher up the stack, and we allow shadow-banned users to send join and leave - # events as normal. - if ( - event.type != EventTypes.Member - and not ignore_shadow_ban - and requester.shadow_banned - ): - # We randomly sleep a bit just to annoy the requester. - await self.clock.sleep(random.randint(1, 10)) - raise ShadowBanError() + for event, context in events_and_context: + # we don't apply shadow-banning to membership events here. Invites are blocked + # higher up the stack, and we allow shadow-banned users to send join and leave + # events as normal. + if ( + event.type != EventTypes.Member + and not ignore_shadow_ban + and requester.shadow_banned + ): + # We randomly sleep a bit just to annoy the requester. + await self.clock.sleep(random.randint(1, 10)) + raise ShadowBanError() - if event.is_state(): - prev_event = await self.deduplicate_state_event(event, context) - if prev_event is not None: - logger.info( - "Not bothering to persist state event %s duplicated by %s", - event.event_id, - prev_event.event_id, - ) - return prev_event + if event.is_state(): + prev_event = await self.deduplicate_state_event(event, context) + if prev_event is not None: + logger.info( + "Not bothering to persist state event %s duplicated by %s", + event.event_id, + prev_event.event_id, + ) + return prev_event - if event.internal_metadata.is_out_of_band_membership(): - # the only sort of out-of-band-membership events we expect to see here are - # invite rejections and rescinded knocks that we have generated ourselves. - assert event.type == EventTypes.Member - assert event.content["membership"] == Membership.LEAVE - else: - try: - validate_event_for_room_version(event) - await self._event_auth_handler.check_auth_rules_from_context( - event, context - ) - except AuthError as err: - logger.warning("Denying new event %r because %s", event, err) - raise err + if event.internal_metadata.is_out_of_band_membership(): + # the only sort of out-of-band-membership events we expect to see here are + # invite rejections and rescinded knocks that we have generated ourselves. + assert event.type == EventTypes.Member + assert event.content["membership"] == Membership.LEAVE + else: + try: + validate_event_for_room_version(event) + await self._event_auth_handler.check_auth_rules_from_context( + event, context + ) + except AuthError as err: + logger.warning("Denying new event %r because %s", event, err) + raise err - # Ensure that we can round trip before trying to persist in db - try: - dump = json_encoder.encode(event.content) - json_decoder.decode(dump) - except Exception: - logger.exception("Failed to encode content: %r", event.content) - raise + # Ensure that we can round trip before trying to persist in db + try: + dump = json_encoder.encode(event.content) + json_decoder.decode(dump) + except Exception: + logger.exception("Failed to encode content: %r", event.content) + raise # We now persist the event (and update the cache in parallel, since we # don't want to block on it). + event, context = events_and_context[0] try: result, _ = await make_deferred_yieldable( gather_results( ( run_in_background( - self._persist_event, + self._persist_events, requester=requester, - event=event, - context=context, + events_and_context=events_and_context, ratelimit=ratelimit, extra_users=extra_users, ), @@ -1407,45 +1409,47 @@ class EventCreationHandler: return result - async def _persist_event( + async def _persist_events( self, requester: Requester, - event: EventBase, - context: EventContext, + events_and_context: List[Tuple[EventBase, EventContext]], ratelimit: bool = True, extra_users: Optional[List[UserID]] = None, ) -> EventBase: - """Actually persists the event. Should only be called by + """Actually persists new events. Should only be called by `handle_new_client_event`, and see its docstring for documentation of - the arguments. + the arguments. Please note that if batch persisting events, an error in + handling any one of these events will result in all of the events being dropped. PartialStateConflictError: if attempting to persist a partial state event in a room that has been un-partial stated. """ - # Skip push notification actions for historical messages - # because we don't want to notify people about old history back in time. - # The historical messages also do not have the proper `context.current_state_ids` - # and `state_groups` because they have `prev_events` that aren't persisted yet - # (historical messages persisted in reverse-chronological order). - if not event.internal_metadata.is_historical(): - with opentracing.start_active_span("calculate_push_actions"): - await self._bulk_push_rule_evaluator.action_for_event_by_user( - event, context - ) + for event, context in events_and_context: + # Skip push notification actions for historical messages + # because we don't want to notify people about old history back in time. + # The historical messages also do not have the proper `context.current_state_ids` + # and `state_groups` because they have `prev_events` that aren't persisted yet + # (historical messages persisted in reverse-chronological order). + if not event.internal_metadata.is_historical(): + with opentracing.start_active_span("calculate_push_actions"): + await self._bulk_push_rule_evaluator.action_for_event_by_user( + event, context + ) try: # If we're a worker we need to hit out to the master. - writer_instance = self._events_shard_config.get_instance(event.room_id) + first_event, _ = events_and_context[0] + writer_instance = self._events_shard_config.get_instance( + first_event.room_id + ) if writer_instance != self._instance_name: try: - result = await self.send_event( + result = await self.send_events( instance_name=writer_instance, - event_id=event.event_id, + events_and_context=events_and_context, store=self.store, requester=requester, - event=event, - context=context, ratelimit=ratelimit, extra_users=extra_users, ) @@ -1455,6 +1459,11 @@ class EventCreationHandler: raise stream_id = result["stream_id"] event_id = result["event_id"] + + # If we batch persisted events we return the last persisted event, otherwise + # we return the one event that was persisted + event, _ = events_and_context[-1] + if event_id != event.event_id: # If we get a different event back then it means that its # been de-duplicated, so we replace the given event with the @@ -1467,15 +1476,19 @@ class EventCreationHandler: event.internal_metadata.stream_ordering = stream_id return event - event = await self.persist_and_notify_client_event( - requester, event, context, ratelimit=ratelimit, extra_users=extra_users + event = await self.persist_and_notify_client_events( + requester, + events_and_context, + ratelimit=ratelimit, + extra_users=extra_users, ) return event except Exception: - # Ensure that we actually remove the entries in the push actions - # staging area, if we calculated them. - await self.store.remove_push_actions_from_staging(event.event_id) + for event, _ in events_and_context: + # Ensure that we actually remove the entries in the push actions + # staging area, if we calculated them. + await self.store.remove_push_actions_from_staging(event.event_id) raise async def cache_joined_hosts_for_event( @@ -1569,23 +1582,26 @@ class EventCreationHandler: Codes.BAD_ALIAS, ) - async def persist_and_notify_client_event( + async def persist_and_notify_client_events( self, requester: Requester, - event: EventBase, - context: EventContext, + events_and_context: List[Tuple[EventBase, EventContext]], ratelimit: bool = True, extra_users: Optional[List[UserID]] = None, ) -> EventBase: - """Called when we have fully built the event, have already - calculated the push actions for the event, and checked auth. + """Called when we have fully built the events, have already + calculated the push actions for the events, and checked auth. This should only be run on the instance in charge of persisting events. + Please note that if batch persisting events, an error in + handling any one of these events will result in all of the events being dropped. + Returns: - The persisted event. This may be different than the given event if - it was de-duplicated (e.g. because we had already persisted an - event with the same transaction ID.) + The persisted event, if one event is passed in, or the last event in the + list in the case of batch persisting. If only one event was persisted, the + returned event may be different than the given event if it was de-duplicated + (e.g. because we had already persisted an event with the same transaction ID.) Raises: PartialStateConflictError: if attempting to persist a partial state event in @@ -1593,277 +1609,297 @@ class EventCreationHandler: """ extra_users = extra_users or [] - assert self._storage_controllers.persistence is not None - assert self._events_shard_config.should_handle( - self._instance_name, event.room_id - ) + for event, context in events_and_context: + assert self._events_shard_config.should_handle( + self._instance_name, event.room_id + ) - if ratelimit: - # We check if this is a room admin redacting an event so that we - # can apply different ratelimiting. We do this by simply checking - # it's not a self-redaction (to avoid having to look up whether the - # user is actually admin or not). - is_admin_redaction = False - if event.type == EventTypes.Redaction: - assert event.redacts is not None + if ratelimit: + # We check if this is a room admin redacting an event so that we + # can apply different ratelimiting. We do this by simply checking + # it's not a self-redaction (to avoid having to look up whether the + # user is actually admin or not). + is_admin_redaction = False + if event.type == EventTypes.Redaction: + assert event.redacts is not None + + original_event = await self.store.get_event( + event.redacts, + redact_behaviour=EventRedactBehaviour.as_is, + get_prev_content=False, + allow_rejected=False, + allow_none=True, + ) - original_event = await self.store.get_event( - event.redacts, - redact_behaviour=EventRedactBehaviour.as_is, - get_prev_content=False, - allow_rejected=False, - allow_none=True, + is_admin_redaction = bool( + original_event and event.sender != original_event.sender + ) + + await self.request_ratelimiter.ratelimit( + requester, is_admin_redaction=is_admin_redaction ) - is_admin_redaction = bool( - original_event and event.sender != original_event.sender + # run checks/actions on event based on type + if event.type == EventTypes.Member and event.membership == Membership.JOIN: + ( + current_membership, + _, + ) = await self.store.get_local_current_membership_for_user_in_room( + event.state_key, event.room_id ) + if current_membership != Membership.JOIN: + self._notifier.notify_user_joined_room( + event.event_id, event.room_id + ) - await self.request_ratelimiter.ratelimit( - requester, is_admin_redaction=is_admin_redaction - ) + await self._maybe_kick_guest_users(event, context) - if event.type == EventTypes.Member and event.membership == Membership.JOIN: - ( - current_membership, - _, - ) = await self.store.get_local_current_membership_for_user_in_room( - event.state_key, event.room_id - ) - if current_membership != Membership.JOIN: - self._notifier.notify_user_joined_room(event.event_id, event.room_id) + if event.type == EventTypes.CanonicalAlias: + # Validate a newly added alias or newly added alt_aliases. - await self._maybe_kick_guest_users(event, context) + original_alias = None + original_alt_aliases: object = [] - if event.type == EventTypes.CanonicalAlias: - # Validate a newly added alias or newly added alt_aliases. + original_event_id = event.unsigned.get("replaces_state") + if original_event_id: + original_alias_event = await self.store.get_event(original_event_id) - original_alias = None - original_alt_aliases: object = [] + if original_alias_event: + original_alias = original_alias_event.content.get("alias", None) + original_alt_aliases = original_alias_event.content.get( + "alt_aliases", [] + ) - original_event_id = event.unsigned.get("replaces_state") - if original_event_id: - original_event = await self.store.get_event(original_event_id) + # Check the alias is currently valid (if it has changed). + room_alias_str = event.content.get("alias", None) + directory_handler = self.hs.get_directory_handler() + if room_alias_str and room_alias_str != original_alias: + await self._validate_canonical_alias( + directory_handler, room_alias_str, event.room_id + ) - if original_event: - original_alias = original_event.content.get("alias", None) - original_alt_aliases = original_event.content.get("alt_aliases", []) - - # Check the alias is currently valid (if it has changed). - room_alias_str = event.content.get("alias", None) - directory_handler = self.hs.get_directory_handler() - if room_alias_str and room_alias_str != original_alias: - await self._validate_canonical_alias( - directory_handler, room_alias_str, event.room_id - ) + # Check that alt_aliases is the proper form. + alt_aliases = event.content.get("alt_aliases", []) + if not isinstance(alt_aliases, (list, tuple)): + raise SynapseError( + 400, + "The alt_aliases property must be a list.", + Codes.INVALID_PARAM, + ) - # Check that alt_aliases is the proper form. - alt_aliases = event.content.get("alt_aliases", []) - if not isinstance(alt_aliases, (list, tuple)): - raise SynapseError( - 400, "The alt_aliases property must be a list.", Codes.INVALID_PARAM - ) + # If the old version of alt_aliases is of an unknown form, + # completely replace it. + if not isinstance(original_alt_aliases, (list, tuple)): + # TODO: check that the original_alt_aliases' entries are all strings + original_alt_aliases = [] + + # Check that each alias is currently valid. + new_alt_aliases = set(alt_aliases) - set(original_alt_aliases) + if new_alt_aliases: + for alias_str in new_alt_aliases: + await self._validate_canonical_alias( + directory_handler, alias_str, event.room_id + ) - # If the old version of alt_aliases is of an unknown form, - # completely replace it. - if not isinstance(original_alt_aliases, (list, tuple)): - # TODO: check that the original_alt_aliases' entries are all strings - original_alt_aliases = [] + federation_handler = self.hs.get_federation_handler() - # Check that each alias is currently valid. - new_alt_aliases = set(alt_aliases) - set(original_alt_aliases) - if new_alt_aliases: - for alias_str in new_alt_aliases: - await self._validate_canonical_alias( - directory_handler, alias_str, event.room_id + if event.type == EventTypes.Member: + if event.content["membership"] == Membership.INVITE: + event.unsigned[ + "invite_room_state" + ] = await self.store.get_stripped_room_state_from_event_context( + context, + self.room_prejoin_state_types, + membership_user_id=event.sender, ) - federation_handler = self.hs.get_federation_handler() + invitee = UserID.from_string(event.state_key) + if not self.hs.is_mine(invitee): + # TODO: Can we add signature from remote server in a nicer + # way? If we have been invited by a remote server, we need + # to get them to sign the event. - if event.type == EventTypes.Member: - if event.content["membership"] == Membership.INVITE: - event.unsigned[ - "invite_room_state" - ] = await self.store.get_stripped_room_state_from_event_context( - context, - self.room_prejoin_state_types, - membership_user_id=event.sender, - ) + returned_invite = await federation_handler.send_invite( + invitee.domain, event + ) + event.unsigned.pop("room_state", None) - invitee = UserID.from_string(event.state_key) - if not self.hs.is_mine(invitee): - # TODO: Can we add signature from remote server in a nicer - # way? If we have been invited by a remote server, we need - # to get them to sign the event. + # TODO: Make sure the signatures actually are correct. + event.signatures.update(returned_invite.signatures) - returned_invite = await federation_handler.send_invite( - invitee.domain, event + if event.content["membership"] == Membership.KNOCK: + event.unsigned[ + "knock_room_state" + ] = await self.store.get_stripped_room_state_from_event_context( + context, + self.room_prejoin_state_types, ) - event.unsigned.pop("room_state", None) - # TODO: Make sure the signatures actually are correct. - event.signatures.update(returned_invite.signatures) + if event.type == EventTypes.Redaction: + assert event.redacts is not None - if event.content["membership"] == Membership.KNOCK: - event.unsigned[ - "knock_room_state" - ] = await self.store.get_stripped_room_state_from_event_context( - context, - self.room_prejoin_state_types, + original_event = await self.store.get_event( + event.redacts, + redact_behaviour=EventRedactBehaviour.as_is, + get_prev_content=False, + allow_rejected=False, + allow_none=True, ) - if event.type == EventTypes.Redaction: - assert event.redacts is not None + room_version = await self.store.get_room_version_id(event.room_id) + room_version_obj = KNOWN_ROOM_VERSIONS[room_version] - original_event = await self.store.get_event( - event.redacts, - redact_behaviour=EventRedactBehaviour.as_is, - get_prev_content=False, - allow_rejected=False, - allow_none=True, - ) + # we can make some additional checks now if we have the original event. + if original_event: + if original_event.type == EventTypes.Create: + raise AuthError(403, "Redacting create events is not permitted") - room_version = await self.store.get_room_version_id(event.room_id) - room_version_obj = KNOWN_ROOM_VERSIONS[room_version] - - # we can make some additional checks now if we have the original event. - if original_event: - if original_event.type == EventTypes.Create: - raise AuthError(403, "Redacting create events is not permitted") - - if original_event.room_id != event.room_id: - raise SynapseError(400, "Cannot redact event from a different room") - - if original_event.type == EventTypes.ServerACL: - raise AuthError(403, "Redacting server ACL events is not permitted") - - # Add a little safety stop-gap to prevent people from trying to - # redact MSC2716 related events when they're in a room version - # which does not support it yet. We allow people to use MSC2716 - # events in existing room versions but only from the room - # creator since it does not require any changes to the auth - # rules and in effect, the redaction algorithm . In the - # supported room version, we add the `historical` power level to - # auth the MSC2716 related events and adjust the redaction - # algorthim to keep the `historical` field around (redacting an - # event should only strip fields which don't affect the - # structural protocol level). - is_msc2716_event = ( - original_event.type == EventTypes.MSC2716_INSERTION - or original_event.type == EventTypes.MSC2716_BATCH - or original_event.type == EventTypes.MSC2716_MARKER - ) - if not room_version_obj.msc2716_historical and is_msc2716_event: - raise AuthError( - 403, - "Redacting MSC2716 events is not supported in this room version", - ) + if original_event.room_id != event.room_id: + raise SynapseError( + 400, "Cannot redact event from a different room" + ) - event_types = event_auth.auth_types_for_event(event.room_version, event) - prev_state_ids = await context.get_prev_state_ids( - StateFilter.from_types(event_types) - ) + if original_event.type == EventTypes.ServerACL: + raise AuthError( + 403, "Redacting server ACL events is not permitted" + ) - auth_events_ids = self._event_auth_handler.compute_auth_events( - event, prev_state_ids, for_verification=True - ) - auth_events_map = await self.store.get_events(auth_events_ids) - auth_events = {(e.type, e.state_key): e for e in auth_events_map.values()} + # Add a little safety stop-gap to prevent people from trying to + # redact MSC2716 related events when they're in a room version + # which does not support it yet. We allow people to use MSC2716 + # events in existing room versions but only from the room + # creator since it does not require any changes to the auth + # rules and in effect, the redaction algorithm . In the + # supported room version, we add the `historical` power level to + # auth the MSC2716 related events and adjust the redaction + # algorthim to keep the `historical` field around (redacting an + # event should only strip fields which don't affect the + # structural protocol level). + is_msc2716_event = ( + original_event.type == EventTypes.MSC2716_INSERTION + or original_event.type == EventTypes.MSC2716_BATCH + or original_event.type == EventTypes.MSC2716_MARKER + ) + if not room_version_obj.msc2716_historical and is_msc2716_event: + raise AuthError( + 403, + "Redacting MSC2716 events is not supported in this room version", + ) - if event_auth.check_redaction( - room_version_obj, event, auth_events=auth_events - ): - # this user doesn't have 'redact' rights, so we need to do some more - # checks on the original event. Let's start by checking the original - # event exists. - if not original_event: - raise NotFoundError("Could not find event %s" % (event.redacts,)) - - if event.user_id != original_event.user_id: - raise AuthError(403, "You don't have permission to redact events") - - # all the checks are done. - event.internal_metadata.recheck_redaction = False - - if event.type == EventTypes.Create: - prev_state_ids = await context.get_prev_state_ids() - if prev_state_ids: - raise AuthError(403, "Changing the room create event is forbidden") - - if event.type == EventTypes.MSC2716_INSERTION: - room_version = await self.store.get_room_version_id(event.room_id) - room_version_obj = KNOWN_ROOM_VERSIONS[room_version] - - create_event = await self.store.get_create_event_for_room(event.room_id) - room_creator = create_event.content.get(EventContentFields.ROOM_CREATOR) - - # Only check an insertion event if the room version - # supports it or the event is from the room creator. - if room_version_obj.msc2716_historical or ( - self.config.experimental.msc2716_enabled - and event.sender == room_creator - ): - next_batch_id = event.content.get( - EventContentFields.MSC2716_NEXT_BATCH_ID + event_types = event_auth.auth_types_for_event(event.room_version, event) + prev_state_ids = await context.get_prev_state_ids( + StateFilter.from_types(event_types) ) - conflicting_insertion_event_id = None - if next_batch_id: - conflicting_insertion_event_id = ( - await self.store.get_insertion_event_id_by_batch_id( - event.room_id, next_batch_id + + auth_events_ids = self._event_auth_handler.compute_auth_events( + event, prev_state_ids, for_verification=True + ) + auth_events_map = await self.store.get_events(auth_events_ids) + auth_events = { + (e.type, e.state_key): e for e in auth_events_map.values() + } + + if event_auth.check_redaction( + room_version_obj, event, auth_events=auth_events + ): + # this user doesn't have 'redact' rights, so we need to do some more + # checks on the original event. Let's start by checking the original + # event exists. + if not original_event: + raise NotFoundError( + "Could not find event %s" % (event.redacts,) ) + + if event.user_id != original_event.user_id: + raise AuthError( + 403, "You don't have permission to redact events" + ) + + # all the checks are done. + event.internal_metadata.recheck_redaction = False + + if event.type == EventTypes.Create: + prev_state_ids = await context.get_prev_state_ids() + if prev_state_ids: + raise AuthError(403, "Changing the room create event is forbidden") + + if event.type == EventTypes.MSC2716_INSERTION: + room_version = await self.store.get_room_version_id(event.room_id) + room_version_obj = KNOWN_ROOM_VERSIONS[room_version] + + create_event = await self.store.get_create_event_for_room(event.room_id) + room_creator = create_event.content.get(EventContentFields.ROOM_CREATOR) + + # Only check an insertion event if the room version + # supports it or the event is from the room creator. + if room_version_obj.msc2716_historical or ( + self.config.experimental.msc2716_enabled + and event.sender == room_creator + ): + next_batch_id = event.content.get( + EventContentFields.MSC2716_NEXT_BATCH_ID ) - if conflicting_insertion_event_id is not None: - # The current insertion event that we're processing is invalid - # because an insertion event already exists in the room with the - # same next_batch_id. We can't allow multiple because the batch - # pointing will get weird, e.g. we can't determine which insertion - # event the batch event is pointing to. - raise SynapseError( - HTTPStatus.BAD_REQUEST, - "Another insertion event already exists with the same next_batch_id", - errcode=Codes.INVALID_PARAM, - ) + conflicting_insertion_event_id = None + if next_batch_id: + conflicting_insertion_event_id = ( + await self.store.get_insertion_event_id_by_batch_id( + event.room_id, next_batch_id + ) + ) + if conflicting_insertion_event_id is not None: + # The current insertion event that we're processing is invalid + # because an insertion event already exists in the room with the + # same next_batch_id. We can't allow multiple because the batch + # pointing will get weird, e.g. we can't determine which insertion + # event the batch event is pointing to. + raise SynapseError( + HTTPStatus.BAD_REQUEST, + "Another insertion event already exists with the same next_batch_id", + errcode=Codes.INVALID_PARAM, + ) - # Mark any `m.historical` messages as backfilled so they don't appear - # in `/sync` and have the proper decrementing `stream_ordering` as we import - backfilled = False - if event.internal_metadata.is_historical(): - backfilled = True + # Mark any `m.historical` messages as backfilled so they don't appear + # in `/sync` and have the proper decrementing `stream_ordering` as we import + backfilled = False + if event.internal_metadata.is_historical(): + backfilled = True - # Note that this returns the event that was persisted, which may not be - # the same as we passed in if it was deduplicated due transaction IDs. + assert self._storage_controllers.persistence is not None ( - event, - event_pos, + persisted_events, max_stream_token, - ) = await self._storage_controllers.persistence.persist_event( - event, context=context, backfilled=backfilled + ) = await self._storage_controllers.persistence.persist_events( + events_and_context, backfilled=backfilled ) - if self._ephemeral_events_enabled: - # If there's an expiry timestamp on the event, schedule its expiry. - self._message_handler.maybe_schedule_expiry(event) + for event in persisted_events: + if self._ephemeral_events_enabled: + # If there's an expiry timestamp on the event, schedule its expiry. + self._message_handler.maybe_schedule_expiry(event) - async def _notify() -> None: - try: - await self.notifier.on_new_room_event( - event, event_pos, max_stream_token, extra_users=extra_users - ) - except Exception: - logger.exception( - "Error notifying about new room event %s", - event.event_id, - ) + stream_ordering = event.internal_metadata.stream_ordering + assert stream_ordering is not None + pos = PersistedEventPosition(self._instance_name, stream_ordering) + + async def _notify() -> None: + try: + await self.notifier.on_new_room_event( + event, pos, max_stream_token, extra_users=extra_users + ) + except Exception: + logger.exception( + "Error notifying about new room event %s", + event.event_id, + ) - run_in_background(_notify) + run_in_background(_notify) - if event.type == EventTypes.Message: - # We don't want to block sending messages on any presence code. This - # matters as sometimes presence code can take a while. - run_in_background(self._bump_active_time, requester.user) + if event.type == EventTypes.Message: + # We don't want to block sending messages on any presence code. This + # matters as sometimes presence code can take a while. + run_in_background(self._bump_active_time, requester.user) - return event + return persisted_events[-1] async def _maybe_kick_guest_users( self, event: EventBase, context: EventContext @@ -1952,8 +1988,7 @@ class EventCreationHandler: # shadow-banned user. await self.handle_new_client_event( requester, - event, - context, + events_and_context=[(event, context)], ratelimit=False, ignore_shadow_ban=True, ) diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 09a1a82e6c..b220238e55 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -301,8 +301,7 @@ class RoomCreationHandler: # now send the tombstone await self.event_creation_handler.handle_new_client_event( requester=requester, - event=tombstone_event, - context=tombstone_context, + events_and_context=[(tombstone_event, tombstone_context)], ) state_filter = StateFilter.from_types( @@ -1057,8 +1056,10 @@ class RoomCreationHandler: creator_id = creator.user.to_string() event_keys = {"room_id": room_id, "sender": creator_id, "state_key": ""} depth = 1 + # the last event sent/persisted to the db last_sent_event_id: Optional[str] = None + # the most recently created event prev_event: List[str] = [] # a map of event types, state keys -> event_ids. We collect these mappings this as events are @@ -1112,8 +1113,7 @@ class RoomCreationHandler: ev = await self.event_creation_handler.handle_new_client_event( requester=creator, - event=event, - context=context, + events_and_context=[(event, context)], ratelimit=False, ignore_shadow_ban=True, ) @@ -1152,7 +1152,6 @@ class RoomCreationHandler: prev_event_ids=[last_sent_event_id], depth=depth, ) - last_sent_event_id = member_event_id prev_event = [member_event_id] # update the depth and state map here as the membership event has been created @@ -1168,7 +1167,7 @@ class RoomCreationHandler: EventTypes.PowerLevels, pl_content, False ) current_state_group = power_context._state_group - last_sent_stream_id = await send(power_event, power_context, creator) + await send(power_event, power_context, creator) else: power_level_content: JsonDict = { "users": {creator_id: 100}, @@ -1217,7 +1216,7 @@ class RoomCreationHandler: False, ) current_state_group = pl_context._state_group - last_sent_stream_id = await send(pl_event, pl_context, creator) + await send(pl_event, pl_context, creator) events_to_send = [] if room_alias and (EventTypes.CanonicalAlias, "") not in initial_state: @@ -1271,9 +1270,11 @@ class RoomCreationHandler: ) events_to_send.append((encryption_event, encryption_context)) - for event, context in events_to_send: - last_sent_stream_id = await send(event, context, creator) - return last_sent_stream_id, last_sent_event_id, depth + last_event = await self.event_creation_handler.handle_new_client_event( + creator, events_to_send, ignore_shadow_ban=True + ) + assert last_event.internal_metadata.stream_ordering is not None + return last_event.internal_metadata.stream_ordering, last_event.event_id, depth def _generate_room_id(self) -> str: """Generates a random room ID. diff --git a/synapse/handlers/room_batch.py b/synapse/handlers/room_batch.py index 1414e575d6..411a6fb22f 100644 --- a/synapse/handlers/room_batch.py +++ b/synapse/handlers/room_batch.py @@ -379,8 +379,7 @@ class RoomBatchHandler: await self.create_requester_for_user_id_from_app_service( event.sender, app_service_requester.app_service ), - event=event, - context=context, + events_and_context=[(event, context)], ) return event_ids diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index 8d01f4bf2b..88158822e0 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -432,8 +432,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): with opentracing.start_active_span("handle_new_client_event"): result_event = await self.event_creation_handler.handle_new_client_event( requester, - event, - context, + events_and_context=[(event, context)], extra_users=[target], ratelimit=ratelimit, ) @@ -1252,7 +1251,10 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): raise SynapseError(403, "This room has been blocked on this server") event = await self.event_creation_handler.handle_new_client_event( - requester, event, context, extra_users=[target_user], ratelimit=ratelimit + requester, + events_and_context=[(event, context)], + extra_users=[target_user], + ratelimit=ratelimit, ) prev_member_event_id = prev_state_ids.get( @@ -1860,8 +1862,7 @@ class RoomMemberMasterHandler(RoomMemberHandler): result_event = await self.event_creation_handler.handle_new_client_event( requester, - event, - context, + events_and_context=[(event, context)], extra_users=[UserID.from_string(target_user)], ) # we know it was persisted, so must have a stream ordering diff --git a/synapse/replication/http/__init__.py b/synapse/replication/http/__init__.py index 53aa7fa4c6..ac9a92240a 100644 --- a/synapse/replication/http/__init__.py +++ b/synapse/replication/http/__init__.py @@ -25,6 +25,7 @@ from synapse.replication.http import ( push, register, send_event, + send_events, state, streams, ) @@ -43,6 +44,7 @@ class ReplicationRestResource(JsonResource): def register_servlets(self, hs: "HomeServer") -> None: send_event.register_servlets(hs, self) + send_events.register_servlets(hs, self) federation.register_servlets(hs, self) presence.register_servlets(hs, self) membership.register_servlets(hs, self) diff --git a/synapse/replication/http/send_event.py b/synapse/replication/http/send_event.py index 486f04723c..4215a1c1bc 100644 --- a/synapse/replication/http/send_event.py +++ b/synapse/replication/http/send_event.py @@ -141,8 +141,8 @@ class ReplicationSendEventRestServlet(ReplicationEndpoint): "Got event to send with ID: %s into room: %s", event.event_id, event.room_id ) - event = await self.event_creation_handler.persist_and_notify_client_event( - requester, event, context, ratelimit=ratelimit, extra_users=extra_users + event = await self.event_creation_handler.persist_and_notify_client_events( + requester, [(event, context)], ratelimit=ratelimit, extra_users=extra_users ) return ( diff --git a/synapse/replication/http/send_events.py b/synapse/replication/http/send_events.py new file mode 100644 index 0000000000..8889bbb644 --- /dev/null +++ b/synapse/replication/http/send_events.py @@ -0,0 +1,171 @@ +# Copyright 2022 The Matrix.org Foundation C.I.C. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import logging +from typing import TYPE_CHECKING, List, Tuple + +from twisted.web.server import Request + +from synapse.api.room_versions import KNOWN_ROOM_VERSIONS +from synapse.events import EventBase, make_event_from_dict +from synapse.events.snapshot import EventContext +from synapse.http.server import HttpServer +from synapse.http.servlet import parse_json_object_from_request +from synapse.replication.http._base import ReplicationEndpoint +from synapse.types import JsonDict, Requester, UserID +from synapse.util.metrics import Measure + +if TYPE_CHECKING: + from synapse.server import HomeServer + from synapse.storage.databases.main import DataStore + +logger = logging.getLogger(__name__) + + +class ReplicationSendEventsRestServlet(ReplicationEndpoint): + """Handles batches of newly created events on workers, including persisting and + notifying. + + The API looks like: + + POST /_synapse/replication/send_events/:txn_id + + { + "events": [{ + "event": { .. serialized event .. }, + "room_version": .., // "1", "2", "3", etc: the version of the room + // containing the event + "event_format_version": .., // 1,2,3 etc: the event format version + "internal_metadata": { .. serialized internal_metadata .. }, + "outlier": true|false, + "rejected_reason": .., // The event.rejected_reason field + "context": { .. serialized event context .. }, + "requester": { .. serialized requester .. }, + "ratelimit": true, + }] + } + + 200 OK + + { "stream_id": 12345, "event_id": "$abcdef..." } + + Responds with a 409 when a `PartialStateConflictError` is raised due to an event + context that needs to be recomputed due to the un-partial stating of a room. + + """ + + NAME = "send_events" + PATH_ARGS = () + + def __init__(self, hs: "HomeServer"): + super().__init__(hs) + + self.event_creation_handler = hs.get_event_creation_handler() + self.store = hs.get_datastores().main + self._storage_controllers = hs.get_storage_controllers() + self.clock = hs.get_clock() + + @staticmethod + async def _serialize_payload( # type: ignore[override] + events_and_context: List[Tuple[EventBase, EventContext]], + store: "DataStore", + requester: Requester, + ratelimit: bool, + extra_users: List[UserID], + ) -> JsonDict: + """ + Args: + store + requester + events_and_ctx + ratelimit + """ + serialized_events = [] + + for event, context in events_and_context: + serialized_context = await context.serialize(event, store) + serialized_event = { + "event": event.get_pdu_json(), + "room_version": event.room_version.identifier, + "event_format_version": event.format_version, + "internal_metadata": event.internal_metadata.get_dict(), + "outlier": event.internal_metadata.is_outlier(), + "rejected_reason": event.rejected_reason, + "context": serialized_context, + "requester": requester.serialize(), + "ratelimit": ratelimit, + "extra_users": [u.to_string() for u in extra_users], + } + serialized_events.append(serialized_event) + + payload = {"events": serialized_events} + + return payload + + async def _handle_request( # type: ignore[override] + self, request: Request + ) -> Tuple[int, JsonDict]: + with Measure(self.clock, "repl_send_events_parse"): + payload = parse_json_object_from_request(request) + events_and_context = [] + events = payload["events"] + + for event_payload in events: + event_dict = event_payload["event"] + room_ver = KNOWN_ROOM_VERSIONS[event_payload["room_version"]] + internal_metadata = event_payload["internal_metadata"] + rejected_reason = event_payload["rejected_reason"] + + event = make_event_from_dict( + event_dict, room_ver, internal_metadata, rejected_reason + ) + event.internal_metadata.outlier = event_payload["outlier"] + + requester = Requester.deserialize( + self.store, event_payload["requester"] + ) + context = EventContext.deserialize( + self._storage_controllers, event_payload["context"] + ) + + ratelimit = event_payload["ratelimit"] + events_and_context.append((event, context)) + + extra_users = [ + UserID.from_string(u) for u in event_payload["extra_users"] + ] + + logger.info( + "Got batch of events to send, last ID of batch is: %s, sending into room: %s", + event.event_id, + event.room_id, + ) + + last_event = ( + await self.event_creation_handler.persist_and_notify_client_events( + requester, events_and_context, ratelimit, extra_users + ) + ) + + return ( + 200, + { + "stream_id": last_event.internal_metadata.stream_ordering, + "event_id": last_event.event_id, + }, + ) + + +def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None: + ReplicationSendEventsRestServlet(hs).register(http_server) diff --git a/tests/handlers/test_message.py b/tests/handlers/test_message.py index 986b50ce0c..99384837d0 100644 --- a/tests/handlers/test_message.py +++ b/tests/handlers/test_message.py @@ -105,7 +105,10 @@ class EventCreationTestCase(unittest.HomeserverTestCase): event1, context = self._create_duplicate_event(txn_id) ret_event1 = self.get_success( - self.handler.handle_new_client_event(self.requester, event1, context) + self.handler.handle_new_client_event( + self.requester, + events_and_context=[(event1, context)], + ) ) stream_id1 = ret_event1.internal_metadata.stream_ordering @@ -118,7 +121,10 @@ class EventCreationTestCase(unittest.HomeserverTestCase): self.assertNotEqual(event1.event_id, event2.event_id) ret_event2 = self.get_success( - self.handler.handle_new_client_event(self.requester, event2, context) + self.handler.handle_new_client_event( + self.requester, + events_and_context=[(event2, context)], + ) ) stream_id2 = ret_event2.internal_metadata.stream_ordering diff --git a/tests/handlers/test_register.py b/tests/handlers/test_register.py index 86b3d51975..765df75d91 100644 --- a/tests/handlers/test_register.py +++ b/tests/handlers/test_register.py @@ -497,7 +497,9 @@ class RegistrationTestCase(unittest.HomeserverTestCase): ) ) self.get_success( - event_creation_handler.handle_new_client_event(requester, event, context) + event_creation_handler.handle_new_client_event( + requester, events_and_context=[(event, context)] + ) ) # Register a second user, which won't be be in the room (or even have an invite) diff --git a/tests/storage/test_event_chain.py b/tests/storage/test_event_chain.py index a0ce077a99..de9f4af2de 100644 --- a/tests/storage/test_event_chain.py +++ b/tests/storage/test_event_chain.py @@ -531,7 +531,9 @@ class EventChainBackgroundUpdateTestCase(HomeserverTestCase): ) ) self.get_success( - event_handler.handle_new_client_event(self.requester, event, context) + event_handler.handle_new_client_event( + self.requester, events_and_context=[(event, context)] + ) ) state1 = set(self.get_success(context.get_current_state_ids()).values()) @@ -549,7 +551,9 @@ class EventChainBackgroundUpdateTestCase(HomeserverTestCase): ) ) self.get_success( - event_handler.handle_new_client_event(self.requester, event, context) + event_handler.handle_new_client_event( + self.requester, events_and_context=[(event, context)] + ) ) state2 = set(self.get_success(context.get_current_state_ids()).values()) diff --git a/tests/unittest.py b/tests/unittest.py index 00cb023198..5116be338e 100644 --- a/tests/unittest.py +++ b/tests/unittest.py @@ -734,7 +734,9 @@ class HomeserverTestCase(TestCase): event.internal_metadata.soft_failed = True self.get_success( - event_creator.handle_new_client_event(requester, event, context) + event_creator.handle_new_client_event( + requester, events_and_context=[(event, context)] + ) ) return event.event_id |