diff options
Diffstat (limited to 'synapse/handlers/message.py')
| -rw-r--r-- | synapse/handlers/message.py | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 66e40a915d..8a0024ce84 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -81,7 +81,7 @@ class MessageHandler: # The scheduled call to self._expire_event. None if no call is currently # scheduled. - self._scheduled_expiry = None # type: Optional[IDelayedCall] + self._scheduled_expiry: Optional[IDelayedCall] = None if not hs.config.worker_app: run_as_background_process( @@ -196,9 +196,7 @@ class MessageHandler: room_state_events = await self.state_store.get_state_for_events( [event.event_id], state_filter=state_filter ) - room_state = room_state_events[ - event.event_id - ] # type: Mapping[Any, EventBase] + room_state: Mapping[Any, EventBase] = room_state_events[event.event_id] else: raise AuthError( 403, @@ -421,9 +419,9 @@ class EventCreationHandler: self.action_generator = hs.get_action_generator() self.spam_checker = hs.get_spam_checker() - self.third_party_event_rules = ( + self.third_party_event_rules: "ThirdPartyEventRules" = ( self.hs.get_third_party_event_rules() - ) # type: ThirdPartyEventRules + ) self._block_events_without_consent_error = ( self.config.block_events_without_consent_error @@ -440,7 +438,7 @@ class EventCreationHandler: # # map from room id to time-of-last-attempt. # - self._rooms_to_exclude_from_dummy_event_insertion = {} # type: Dict[str, int] + self._rooms_to_exclude_from_dummy_event_insertion: Dict[str, int] = {} # The number of forward extremeities before a dummy event is sent. self._dummy_events_threshold = hs.config.dummy_events_threshold @@ -465,9 +463,7 @@ class EventCreationHandler: # Stores the state groups we've recently added to the joined hosts # external cache. Note that the timeout must be significantly less than # the TTL on the external cache. - self._external_cache_joined_hosts_updates = ( - None - ) # type: Optional[ExpiringCache] + self._external_cache_joined_hosts_updates: Optional[ExpiringCache] = None if self._external_cache.is_enabled(): self._external_cache_joined_hosts_updates = ExpiringCache( "_external_cache_joined_hosts_updates", @@ -518,6 +514,9 @@ class EventCreationHandler: outlier: Indicates whether the event is an `outlier`, i.e. if it's from an arbitrary point and floating in the DAG as opposed to being inline with the current DAG. + historical: Indicates whether the message is being inserted + back in time around some existing events. This is used to skip + a few checks and mark the event as backfilled. depth: Override the depth used to order the event in the DAG. Should normally be set to None, which will cause the depth to be calculated based on the prev_events. @@ -772,6 +771,7 @@ class EventCreationHandler: txn_id: Optional[str] = None, ignore_shadow_ban: bool = False, outlier: bool = False, + historical: bool = False, depth: Optional[int] = None, ) -> Tuple[EventBase, int]: """ @@ -799,6 +799,9 @@ class EventCreationHandler: outlier: Indicates whether the event is an `outlier`, i.e. if it's from an arbitrary point and floating in the DAG as opposed to being inline with the current DAG. + historical: Indicates whether the message is being inserted + back in time around some existing events. This is used to skip + a few checks and mark the event as backfilled. depth: Override the depth used to order the event in the DAG. Should normally be set to None, which will cause the depth to be calculated based on the prev_events. @@ -847,6 +850,7 @@ class EventCreationHandler: prev_event_ids=prev_event_ids, auth_event_ids=auth_event_ids, outlier=outlier, + historical=historical, depth=depth, ) @@ -945,10 +949,10 @@ class EventCreationHandler: if requester: context.app_service = requester.app_service - third_party_result = await self.third_party_event_rules.check_event_allowed( + res, new_content = await self.third_party_event_rules.check_event_allowed( event, context ) - if not third_party_result: + if res is False: logger.info( "Event %s forbidden by third-party rules", event, @@ -956,11 +960,11 @@ class EventCreationHandler: raise SynapseError( 403, "This event is not allowed in this context", Codes.FORBIDDEN ) - elif isinstance(third_party_result, dict): + elif new_content is not None: # the third-party rules want to replace the event. We'll need to build a new # event. event, context = await self._rebuild_event_after_third_party_rules( - third_party_result, event + new_content, event ) self.validator.validate_new(event, self.config) @@ -1291,7 +1295,7 @@ class EventCreationHandler: # Validate a newly added alias or newly added alt_aliases. original_alias = None - original_alt_aliases = [] # type: List[str] + original_alt_aliases: List[str] = [] original_event_id = event.unsigned.get("replaces_state") if original_event_id: @@ -1594,11 +1598,13 @@ class EventCreationHandler: for k, v in original_event.internal_metadata.get_dict().items(): setattr(builder.internal_metadata, k, v) - # the event type hasn't changed, so there's no point in re-calculating the - # auth events. + # modules can send new state events, so we re-calculate the auth events just in + # case. + prev_event_ids = await self.store.get_prev_events_for_room(builder.room_id) + event = await builder.build( - prev_event_ids=original_event.prev_event_ids(), - auth_event_ids=original_event.auth_event_ids(), + prev_event_ids=prev_event_ids, + auth_event_ids=None, ) # we rebuild the event context, to be on the safe side. If nothing else, |