diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/events/third_party_rules.py | 31 | ||||
| -rw-r--r-- | synapse/handlers/federation_event.py | 2 | ||||
| -rw-r--r-- | synapse/handlers/message.py | 9 | ||||
| -rw-r--r-- | synapse/notifier.py | 17 | ||||
| -rw-r--r-- | synapse/replication/tcp/client.py | 3 |
5 files changed, 53 insertions, 9 deletions
diff --git a/synapse/events/third_party_rules.py b/synapse/events/third_party_rules.py index 2a6dabdab6..8816ef4b76 100644 --- a/synapse/events/third_party_rules.py +++ b/synapse/events/third_party_rules.py @@ -36,6 +36,7 @@ CHECK_THREEPID_CAN_BE_INVITED_CALLBACK = Callable[ CHECK_VISIBILITY_CAN_BE_MODIFIED_CALLBACK = Callable[ [str, StateMap[EventBase], str], Awaitable[bool] ] +ON_NEW_EVENT_CALLBACK = Callable[[EventBase, StateMap[EventBase]], Awaitable] def load_legacy_third_party_event_rules(hs: "HomeServer") -> None: @@ -152,6 +153,7 @@ class ThirdPartyEventRules: self._check_visibility_can_be_modified_callbacks: List[ CHECK_VISIBILITY_CAN_BE_MODIFIED_CALLBACK ] = [] + self._on_new_event_callbacks: List[ON_NEW_EVENT_CALLBACK] = [] def register_third_party_rules_callbacks( self, @@ -163,6 +165,7 @@ class ThirdPartyEventRules: check_visibility_can_be_modified: Optional[ CHECK_VISIBILITY_CAN_BE_MODIFIED_CALLBACK ] = None, + on_new_event: Optional[ON_NEW_EVENT_CALLBACK] = None, ) -> None: """Register callbacks from modules for each hook.""" if check_event_allowed is not None: @@ -181,6 +184,9 @@ class ThirdPartyEventRules: check_visibility_can_be_modified, ) + if on_new_event is not None: + self._on_new_event_callbacks.append(on_new_event) + async def check_event_allowed( self, event: EventBase, context: EventContext ) -> Tuple[bool, Optional[dict]]: @@ -321,6 +327,31 @@ class ThirdPartyEventRules: return True + async def on_new_event(self, event_id: str) -> None: + """Let modules act on events after they've been sent (e.g. auto-accepting + invites, etc.) + + Args: + event_id: The ID of the event. + + Raises: + ModuleFailureError if a callback raised any exception. + """ + # Bail out early without hitting the store if we don't have any callbacks + if len(self._on_new_event_callbacks) == 0: + return + + event = await self.store.get_event(event_id) + state_events = await self._get_state_map_for_room(event.room_id) + + for callback in self._on_new_event_callbacks: + try: + await callback(event, state_events) + except Exception as e: + logger.exception( + "Failed to run module API callback %s: %s", callback, e + ) + async def _get_state_map_for_room(self, room_id: str) -> StateMap[EventBase]: """Given a room ID, return the state events of that room. diff --git a/synapse/handlers/federation_event.py b/synapse/handlers/federation_event.py index 9584d5bd46..bd1fa08cef 100644 --- a/synapse/handlers/federation_event.py +++ b/synapse/handlers/federation_event.py @@ -1916,7 +1916,7 @@ class FederationEventHandler: event_pos = PersistedEventPosition( self._instance_name, event.internal_metadata.stream_ordering ) - self._notifier.on_new_room_event( + await self._notifier.on_new_room_event( event, event_pos, max_stream_token, extra_users=extra_users ) diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 2e024b551f..4a0fccfcc6 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -1537,13 +1537,16 @@ class EventCreationHandler: # If there's an expiry timestamp on the event, schedule its expiry. self._message_handler.maybe_schedule_expiry(event) - def _notify() -> None: + async def _notify() -> None: try: - self.notifier.on_new_room_event( + 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") + logger.exception( + "Error notifying about new room event %s", + event.event_id, + ) run_in_background(_notify) diff --git a/synapse/notifier.py b/synapse/notifier.py index 1acd899fab..1882fffd2a 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -220,6 +220,8 @@ class Notifier: # down. self.remote_server_up_callbacks: List[Callable[[str], None]] = [] + self._third_party_rules = hs.get_third_party_event_rules() + self.clock = hs.get_clock() self.appservice_handler = hs.get_application_service_handler() self._pusher_pool = hs.get_pusherpool() @@ -267,7 +269,7 @@ class Notifier: """ self.replication_callbacks.append(cb) - def on_new_room_event( + async def on_new_room_event( self, event: EventBase, event_pos: PersistedEventPosition, @@ -275,9 +277,10 @@ class Notifier: extra_users: Optional[Collection[UserID]] = None, ): """Unwraps event and calls `on_new_room_event_args`.""" - self.on_new_room_event_args( + await self.on_new_room_event_args( event_pos=event_pos, room_id=event.room_id, + event_id=event.event_id, event_type=event.type, state_key=event.get("state_key"), membership=event.content.get("membership"), @@ -285,9 +288,10 @@ class Notifier: extra_users=extra_users or [], ) - def on_new_room_event_args( + async def on_new_room_event_args( self, room_id: str, + event_id: str, event_type: str, state_key: Optional[str], membership: Optional[str], @@ -302,7 +306,10 @@ class Notifier: listening to the room, and any listeners for the users in the `extra_users` param. - The events can be peristed out of order. The notifier will wait + This also notifies modules listening on new events via the + `on_new_event` callback. + + The events can be persisted out of order. The notifier will wait until all previous events have been persisted before notifying the client streams. """ @@ -318,6 +325,8 @@ class Notifier: ) self._notify_pending_new_room_events(max_room_stream_token) + await self._third_party_rules.on_new_event(event_id) + self.notify_replication() def _notify_pending_new_room_events(self, max_room_stream_token: RoomStreamToken): diff --git a/synapse/replication/tcp/client.py b/synapse/replication/tcp/client.py index 961c17762e..e29ae1e375 100644 --- a/synapse/replication/tcp/client.py +++ b/synapse/replication/tcp/client.py @@ -207,11 +207,12 @@ class ReplicationDataHandler: max_token = self.store.get_room_max_token() event_pos = PersistedEventPosition(instance_name, token) - self.notifier.on_new_room_event_args( + await self.notifier.on_new_room_event_args( event_pos=event_pos, max_room_stream_token=max_token, extra_users=extra_users, room_id=row.data.room_id, + event_id=row.data.event_id, event_type=row.data.type, state_key=row.data.state_key, membership=row.data.membership, |