diff options
Diffstat (limited to 'synapse/handlers/message.py')
| -rw-r--r-- | synapse/handlers/message.py | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index ec8eb21674..49f8aa25ea 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -15,7 +15,7 @@ # limitations under the License. import logging import random -from typing import TYPE_CHECKING, Dict, List, Optional, Tuple +from typing import TYPE_CHECKING, Any, Dict, List, Mapping, Optional, Tuple from canonicaljson import encode_canonical_json @@ -66,7 +66,7 @@ logger = logging.getLogger(__name__) class MessageHandler: """Contains some read only APIs to get state about a room""" - def __init__(self, hs): + def __init__(self, hs: "HomeServer"): self.auth = hs.get_auth() self.clock = hs.get_clock() self.state = hs.get_state_handler() @@ -91,7 +91,7 @@ class MessageHandler: room_id: str, event_type: str, state_key: str, - ) -> dict: + ) -> Optional[EventBase]: """Get data from a room. Args: @@ -115,6 +115,10 @@ class MessageHandler: data = await self.state.get_current_state(room_id, event_type, state_key) elif membership == Membership.LEAVE: key = (event_type, state_key) + # If the membership is not JOIN, then the event ID should exist. + assert ( + membership_event_id is not None + ), "check_user_in_room_or_world_readable returned invalid data" room_state = await self.state_store.get_state_for_events( [membership_event_id], StateFilter.from_types([key]) ) @@ -186,10 +190,12 @@ class MessageHandler: event = last_events[0] if visible_events: - room_state = await self.state_store.get_state_for_events( + room_state_events = await self.state_store.get_state_for_events( [event.event_id], state_filter=state_filter ) - room_state = room_state[event.event_id] + room_state = room_state_events[ + event.event_id + ] # type: Mapping[Any, EventBase] else: raise AuthError( 403, @@ -210,10 +216,14 @@ class MessageHandler: ) room_state = await self.store.get_events(state_ids.values()) elif membership == Membership.LEAVE: - room_state = await self.state_store.get_state_for_events( + # If the membership is not JOIN, then the event ID should exist. + assert ( + membership_event_id is not None + ), "check_user_in_room_or_world_readable returned invalid data" + room_state_events = await self.state_store.get_state_for_events( [membership_event_id], state_filter=state_filter ) - room_state = room_state[membership_event_id] + room_state = room_state_events[membership_event_id] now = self.clock.time_msec() events = await self._event_serializer.serialize_events( |