diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py
index 01e935edef..318fd7dc71 100644
--- a/synapse/storage/databases/main/events_worker.py
+++ b/synapse/storage/databases/main/events_worker.py
@@ -16,11 +16,11 @@ import logging
import threading
import weakref
from enum import Enum, auto
+from itertools import chain
from typing import (
TYPE_CHECKING,
Any,
Collection,
- Container,
Dict,
Iterable,
List,
@@ -76,6 +76,7 @@ from synapse.storage.util.id_generators import (
)
from synapse.storage.util.sequence import build_sequence_generator
from synapse.types import JsonDict, get_domain_from_id
+from synapse.types.state import StateFilter
from synapse.util import unwrapFirstError
from synapse.util.async_helpers import ObservableDeferred, delay_cancellation
from synapse.util.caches.descriptors import cached, cachedList
@@ -879,7 +880,7 @@ class EventsWorkerStore(SQLBaseStore):
async def get_stripped_room_state_from_event_context(
self,
context: EventContext,
- state_types_to_include: Container[str],
+ state_keys_to_include: StateFilter,
membership_user_id: Optional[str] = None,
) -> List[JsonDict]:
"""
@@ -892,7 +893,7 @@ class EventsWorkerStore(SQLBaseStore):
Args:
context: The event context to retrieve state of the room from.
- state_types_to_include: The type of state events to include.
+ state_keys_to_include: The state events to include, for each event type.
membership_user_id: An optional user ID to include the stripped membership state
events of. This is useful when generating the stripped state of a room for
invites. We want to send membership events of the inviter, so that the
@@ -901,21 +902,25 @@ class EventsWorkerStore(SQLBaseStore):
Returns:
A list of dictionaries, each representing a stripped state event from the room.
"""
- current_state_ids = await context.get_current_state_ids()
+ if membership_user_id:
+ types = chain(
+ state_keys_to_include.to_types(),
+ [(EventTypes.Member, membership_user_id)],
+ )
+ filter = StateFilter.from_types(types)
+ else:
+ filter = state_keys_to_include
+ selected_state_ids = await context.get_current_state_ids(filter)
# We know this event is not an outlier, so this must be
# non-None.
- assert current_state_ids is not None
-
- # The state to include
- state_to_include_ids = [
- e_id
- for k, e_id in current_state_ids.items()
- if k[0] in state_types_to_include
- or (membership_user_id and k == (EventTypes.Member, membership_user_id))
- ]
+ assert selected_state_ids is not None
+
+ # Confusingly, get_current_state_events may return events that are discarded by
+ # the filter, if they're in context._state_delta_due_to_event. Strip these away.
+ selected_state_ids = filter.filter_state(selected_state_ids)
- state_to_include = await self.get_events(state_to_include_ids)
+ state_to_include = await self.get_events(selected_state_ids.values())
return [
{
|
