diff --git a/changelog.d/17418.feature b/changelog.d/17418.feature new file mode 100644 index 0000000000..c5e56bc500 --- /dev/null +++ b/changelog.d/17418.feature @@ -0,0 +1 @@ +Populate `name`/`avatar` fields in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint. diff --git a/synapse/handlers/sliding_sync.py b/synapse/handlers/sliding_sync.py index 8e2f751c02..bb81ca9d97 100644 --- a/synapse/handlers/sliding_sync.py +++ b/synapse/handlers/sliding_sync.py @@ -18,6 +18,7 @@ # # import logging +from itertools import chain from typing import TYPE_CHECKING, Any, Dict, Final, List, Optional, Set, Tuple import attr @@ -464,6 +465,7 @@ class SlidingSyncHandler: membership_state_keys = room_sync_config.required_state_map.get( EventTypes.Member ) + # Also see `StateFilter.must_await_full_state(...)` for comparison lazy_loading = ( membership_state_keys is not None and len(membership_state_keys) == 1 @@ -1202,7 +1204,7 @@ class SlidingSyncHandler: # Figure out any stripped state events for invite/knocks. This allows the # potential joiner to identify the room. - stripped_state: List[JsonDict] = [] + stripped_state: Optional[List[JsonDict]] = None if room_membership_for_user_at_to_token.membership in ( Membership.INVITE, Membership.KNOCK, @@ -1239,7 +1241,7 @@ class SlidingSyncHandler: # updates. initial = True - # Fetch the required state for the room + # Fetch the `required_state` for the room # # No `required_state` for invite/knock rooms (just `stripped_state`) # @@ -1247,13 +1249,15 @@ class SlidingSyncHandler: # of membership. Currently, we have to make this optional because # `invite`/`knock` rooms only have `stripped_state`. See # https://github.com/matrix-org/matrix-spec-proposals/pull/3575#discussion_r1653045932 + # + # Calculate the `StateFilter` based on the `required_state` for the room room_state: Optional[StateMap[EventBase]] = None + required_room_state: Optional[StateMap[EventBase]] = None if room_membership_for_user_at_to_token.membership not in ( Membership.INVITE, Membership.KNOCK, ): - # Calculate the `StateFilter` based on the `required_state` for the room - state_filter: Optional[StateFilter] = StateFilter.none() + required_state_filter = StateFilter.none() # If we have a double wildcard ("*", "*") in the `required_state`, we need # to fetch all state for the room # @@ -1276,7 +1280,7 @@ class SlidingSyncHandler: if StateValues.WILDCARD in room_sync_config.required_state_map.get( StateValues.WILDCARD, set() ): - state_filter = StateFilter.all() + required_state_filter = StateFilter.all() # TODO: `StateFilter` currently doesn't support wildcard event types. We're # currently working around this by returning all state to the client but it # would be nice to fetch less from the database and return just what the @@ -1285,7 +1289,7 @@ class SlidingSyncHandler: room_sync_config.required_state_map.get(StateValues.WILDCARD) is not None ): - state_filter = StateFilter.all() + required_state_filter = StateFilter.all() else: required_state_types: List[Tuple[str, Optional[str]]] = [] for ( @@ -1317,51 +1321,88 @@ class SlidingSyncHandler: else: required_state_types.append((state_type, state_key)) - state_filter = StateFilter.from_types(required_state_types) + required_state_filter = StateFilter.from_types(required_state_types) - # We can skip fetching state if we don't need any - if state_filter != StateFilter.none(): - # We can return all of the state that was requested if we're doing an - # initial sync - if initial: - # People shouldn't see past their leave/ban event - if room_membership_for_user_at_to_token.membership in ( - Membership.LEAVE, - Membership.BAN, - ): - room_state = await self.storage_controllers.state.get_state_at( - room_id, - stream_position=to_token.copy_and_replace( - StreamKeyType.ROOM, - room_membership_for_user_at_to_token.event_pos.to_room_stream_token(), - ), - state_filter=state_filter, - # Partially-stated rooms should have all state events except for - # the membership events and since we've already excluded - # partially-stated rooms unless `required_state` only has - # `["m.room.member", "$LAZY"]` for membership, we should be able - # to retrieve everything requested. Plus we don't want to block - # the whole sync waiting for this one room. - await_full_state=False, - ) - # Otherwise, we can get the latest current state in the room - else: - room_state = await self.storage_controllers.state.get_current_state( - room_id, - state_filter, - # Partially-stated rooms should have all state events except for - # the membership events and since we've already excluded - # partially-stated rooms unless `required_state` only has - # `["m.room.member", "$LAZY"]` for membership, we should be able - # to retrieve everything requested. Plus we don't want to block - # the whole sync waiting for this one room. - await_full_state=False, - ) - # TODO: Query `current_state_delta_stream` and reverse/rewind back to the `to_token` + # We need this base set of info for the response so let's just fetch it along + # with the `required_state` for the room + META_ROOM_STATE = [(EventTypes.Name, ""), (EventTypes.RoomAvatar, "")] + state_filter = StateFilter( + types=StateFilter.from_types( + chain(META_ROOM_STATE, required_state_filter.to_types()) + ).types, + include_others=required_state_filter.include_others, + ) + + # We can return all of the state that was requested if this was the first + # time we've sent the room down this connection. + if initial: + # People shouldn't see past their leave/ban event + if room_membership_for_user_at_to_token.membership in ( + Membership.LEAVE, + Membership.BAN, + ): + room_state = await self.storage_controllers.state.get_state_at( + room_id, + stream_position=to_token.copy_and_replace( + StreamKeyType.ROOM, + room_membership_for_user_at_to_token.event_pos.to_room_stream_token(), + ), + state_filter=state_filter, + # Partially-stated rooms should have all state events except for + # remote membership events. Since we've already excluded + # partially-stated rooms unless `required_state` only has + # `["m.room.member", "$LAZY"]` for membership, we should be able to + # retrieve everything requested. When we're lazy-loading, if there + # are some remote senders in the timeline, we should also have their + # membership event because we had to auth that timeline event. Plus + # we don't want to block the whole sync waiting for this one room. + await_full_state=False, + ) + # Otherwise, we can get the latest current state in the room else: - # TODO: Once we can figure out if we've sent a room down this connection before, - # we can return updates instead of the full required state. - raise NotImplementedError() + room_state = await self.storage_controllers.state.get_current_state( + room_id, + state_filter, + # Partially-stated rooms should have all state events except for + # remote membership events. Since we've already excluded + # partially-stated rooms unless `required_state` only has + # `["m.room.member", "$LAZY"]` for membership, we should be able to + # retrieve everything requested. When we're lazy-loading, if there + # are some remote senders in the timeline, we should also have their + # membership event because we had to auth that timeline event. Plus + # we don't want to block the whole sync waiting for this one room. + await_full_state=False, + ) + # TODO: Query `current_state_delta_stream` and reverse/rewind back to the `to_token` + else: + # TODO: Once we can figure out if we've sent a room down this connection before, + # we can return updates instead of the full required state. + raise NotImplementedError() + + if required_state_filter != StateFilter.none(): + required_room_state = required_state_filter.filter_state(room_state) + + # Find the room name and avatar from the state + room_name: Optional[str] = None + room_avatar: Optional[str] = None + if room_state is not None: + name_event = room_state.get((EventTypes.Name, "")) + if name_event is not None: + room_name = name_event.content.get("name") + + avatar_event = room_state.get((EventTypes.RoomAvatar, "")) + if avatar_event is not None: + room_avatar = avatar_event.content.get("url") + elif stripped_state is not None: + for event in stripped_state: + if event["type"] == EventTypes.Name: + room_name = event.get("content", {}).get("name") + elif event["type"] == EventTypes.RoomAvatar: + room_avatar = event.get("content", {}).get("url") + + # Found everything so we can stop looking + if room_name is not None and room_avatar is not None: + break # Figure out the last bump event in the room last_bump_event_result = ( @@ -1378,16 +1419,16 @@ class SlidingSyncHandler: bump_stamp = bump_event_pos.stream return SlidingSyncResult.RoomResult( - # TODO: Dummy value - name=None, - # TODO: Dummy value - avatar=None, + name=room_name, + avatar=room_avatar, # TODO: Dummy value heroes=None, # TODO: Dummy value is_dm=False, initial=initial, - required_state=list(room_state.values()) if room_state else None, + required_state=( + list(required_room_state.values()) if required_room_state else None + ), timeline_events=timeline_events, bundled_aggregations=bundled_aggregations, stripped_state=stripped_state, diff --git a/tests/rest/client/test_sync.py b/tests/rest/client/test_sync.py index 6ff1f03c9a..f7852562b1 100644 --- a/tests/rest/client/test_sync.py +++ b/tests/rest/client/test_sync.py @@ -1802,6 +1802,206 @@ class SlidingSyncTestCase(unittest.HomeserverTestCase): channel.json_body["lists"]["foo-list"], ) + def test_rooms_meta_when_joined(self) -> None: + """ + Test that the `rooms` `name` and `avatar` (soon to test `heroes`) are included + in the response when the user is joined to the room. + """ + user1_id = self.register_user("user1", "pass") + user1_tok = self.login(user1_id, "pass") + user2_id = self.register_user("user2", "pass") + user2_tok = self.login(user2_id, "pass") + + room_id1 = self.helper.create_room_as( + user2_id, + tok=user2_tok, + extra_content={ + "name": "my super room", + }, + ) + # Set the room avatar URL + self.helper.send_state( + room_id1, + EventTypes.RoomAvatar, + {"url": "mxc://DUMMY_MEDIA_ID"}, + tok=user2_tok, + ) + + self.helper.join(room_id1, user1_id, tok=user1_tok) + + # Make the Sliding Sync request + channel = self.make_request( + "POST", + self.sync_endpoint, + { + "lists": { + "foo-list": { + "ranges": [[0, 1]], + "required_state": [], + "timeline_limit": 0, + } + } + }, + access_token=user1_tok, + ) + self.assertEqual(channel.code, 200, channel.json_body) + + # Reflect the current state of the room + self.assertEqual( + channel.json_body["rooms"][room_id1]["name"], + "my super room", + channel.json_body["rooms"][room_id1], + ) + self.assertEqual( + channel.json_body["rooms"][room_id1]["avatar"], + "mxc://DUMMY_MEDIA_ID", + channel.json_body["rooms"][room_id1], + ) + + def test_rooms_meta_when_invited(self) -> None: + """ + Test that the `rooms` `name` and `avatar` (soon to test `heroes`) are included + in the response when the user is invited to the room. + """ + user1_id = self.register_user("user1", "pass") + user1_tok = self.login(user1_id, "pass") + user2_id = self.register_user("user2", "pass") + user2_tok = self.login(user2_id, "pass") + + room_id1 = self.helper.create_room_as( + user2_id, + tok=user2_tok, + extra_content={ + "name": "my super room", + }, + ) + # Set the room avatar URL + self.helper.send_state( + room_id1, + EventTypes.RoomAvatar, + {"url": "mxc://DUMMY_MEDIA_ID"}, + tok=user2_tok, + ) + + self.helper.join(room_id1, user1_id, tok=user1_tok) + + # Update the room name after user1 has left + self.helper.send_state( + room_id1, + EventTypes.Name, + {"name": "my super duper room"}, + tok=user2_tok, + ) + # Update the room avatar URL after user1 has left + self.helper.send_state( + room_id1, + EventTypes.RoomAvatar, + {"url": "mxc://UPDATED_DUMMY_MEDIA_ID"}, + tok=user2_tok, + ) + + # Make the Sliding Sync request + channel = self.make_request( + "POST", + self.sync_endpoint, + { + "lists": { + "foo-list": { + "ranges": [[0, 1]], + "required_state": [], + "timeline_limit": 0, + } + } + }, + access_token=user1_tok, + ) + self.assertEqual(channel.code, 200, channel.json_body) + + # This should still reflect the current state of the room even when the user is + # invited. + self.assertEqual( + channel.json_body["rooms"][room_id1]["name"], + "my super duper room", + channel.json_body["rooms"][room_id1], + ) + self.assertEqual( + channel.json_body["rooms"][room_id1]["avatar"], + "mxc://UPDATED_DUMMY_MEDIA_ID", + channel.json_body["rooms"][room_id1], + ) + + def test_rooms_meta_when_banned(self) -> None: + """ + Test that the `rooms` `name` and `avatar` (soon to test `heroes`) reflect the + state of the room when the user was banned (do not leak current state). + """ + user1_id = self.register_user("user1", "pass") + user1_tok = self.login(user1_id, "pass") + user2_id = self.register_user("user2", "pass") + user2_tok = self.login(user2_id, "pass") + + room_id1 = self.helper.create_room_as( + user2_id, + tok=user2_tok, + extra_content={ + "name": "my super room", + }, + ) + # Set the room avatar URL + self.helper.send_state( + room_id1, + EventTypes.RoomAvatar, + {"url": "mxc://DUMMY_MEDIA_ID"}, + tok=user2_tok, + ) + + self.helper.join(room_id1, user1_id, tok=user1_tok) + self.helper.ban(room_id1, src=user2_id, targ=user1_id, tok=user2_tok) + + # Update the room name after user1 has left + self.helper.send_state( + room_id1, + EventTypes.Name, + {"name": "my super duper room"}, + tok=user2_tok, + ) + # Update the room avatar URL after user1 has left + self.helper.send_state( + room_id1, + EventTypes.RoomAvatar, + {"url": "mxc://UPDATED_DUMMY_MEDIA_ID"}, + tok=user2_tok, + ) + + # Make the Sliding Sync request + channel = self.make_request( + "POST", + self.sync_endpoint, + { + "lists": { + "foo-list": { + "ranges": [[0, 1]], + "required_state": [], + "timeline_limit": 0, + } + } + }, + access_token=user1_tok, + ) + self.assertEqual(channel.code, 200, channel.json_body) + + # Reflect the state of the room at the time of leaving + self.assertEqual( + channel.json_body["rooms"][room_id1]["name"], + "my super room", + channel.json_body["rooms"][room_id1], + ) + self.assertEqual( + channel.json_body["rooms"][room_id1]["avatar"], + "mxc://DUMMY_MEDIA_ID", + channel.json_body["rooms"][room_id1], + ) + def test_rooms_limited_initial_sync(self) -> None: """ Test that we mark `rooms` as `limited=True` when we saturate the `timeline_limit` @@ -2973,6 +3173,7 @@ class SlidingSyncTestCase(unittest.HomeserverTestCase): }, exact=True, ) + self.assertIsNone(channel.json_body["rooms"][room_id1].get("invite_state")) def test_rooms_required_state_incremental_sync(self) -> None: """ @@ -3027,6 +3228,7 @@ class SlidingSyncTestCase(unittest.HomeserverTestCase): }, exact=True, ) + self.assertIsNone(channel.json_body["rooms"][room_id1].get("invite_state")) def test_rooms_required_state_wildcard(self) -> None: """ @@ -3084,6 +3286,7 @@ class SlidingSyncTestCase(unittest.HomeserverTestCase): state_map.values(), exact=True, ) + self.assertIsNone(channel.json_body["rooms"][room_id1].get("invite_state")) def test_rooms_required_state_wildcard_event_type(self) -> None: """ @@ -3147,6 +3350,7 @@ class SlidingSyncTestCase(unittest.HomeserverTestCase): # events when the `event_type` is a wildcard. exact=False, ) + self.assertIsNone(channel.json_body["rooms"][room_id1].get("invite_state")) def test_rooms_required_state_wildcard_state_key(self) -> None: """ @@ -3192,6 +3396,7 @@ class SlidingSyncTestCase(unittest.HomeserverTestCase): }, exact=True, ) + self.assertIsNone(channel.json_body["rooms"][room_id1].get("invite_state")) def test_rooms_required_state_lazy_loading_room_members(self) -> None: """ @@ -3247,6 +3452,7 @@ class SlidingSyncTestCase(unittest.HomeserverTestCase): }, exact=True, ) + self.assertIsNone(channel.json_body["rooms"][room_id1].get("invite_state")) @parameterized.expand([(Membership.LEAVE,), (Membership.BAN,)]) def test_rooms_required_state_leave_ban(self, stop_membership: str) -> None: @@ -3329,6 +3535,7 @@ class SlidingSyncTestCase(unittest.HomeserverTestCase): }, exact=True, ) + self.assertIsNone(channel.json_body["rooms"][room_id1].get("invite_state")) def test_rooms_required_state_combine_superset(self) -> None: """ @@ -3401,6 +3608,7 @@ class SlidingSyncTestCase(unittest.HomeserverTestCase): }, exact=True, ) + self.assertIsNone(channel.json_body["rooms"][room_id1].get("invite_state")) def test_rooms_required_state_partial_state(self) -> None: """