diff --git a/changelog.d/6729.misc b/changelog.d/6729.misc new file mode 100644 index 0000000000000000000000000000000000000000..5537355bea8ed2f282a29d6291cc47b7d5c77299 --- /dev/null +++ b/changelog.d/6729.misc @@ -0,0 +1 @@ +Record room versions in the `rooms` table. diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index af652a76596c158c58d1ea21ca5611e8e9106783..d57e8ca7a28084ec50ff24782696a569e864a16c 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -17,6 +17,7 @@ import copy import itertools import logging +from typing import Dict, Iterable from prometheus_client import Counter @@ -29,6 +30,7 @@ from synapse.api.errors import ( FederationDeniedError, HttpResponseException, SynapseError, + UnsupportedRoomVersionError, ) from synapse.api.room_versions import ( KNOWN_ROOM_VERSIONS, @@ -385,6 +387,8 @@ class FederationClient(FederationBase): return res except InvalidResponseError as e: logger.warning("Failed to %s via %s: %s", description, destination, e) + except UnsupportedRoomVersionError: + raise except HttpResponseException as e: if not 500 <= e.code < 600: raise e.to_synapse_error() @@ -404,7 +408,13 @@ class FederationClient(FederationBase): raise SynapseError(502, "Failed to %s via any server" % (description,)) def make_membership_event( - self, destinations, room_id, user_id, membership, content, params + self, + destinations: Iterable[str], + room_id: str, + user_id: str, + membership: str, + content: dict, + params: Dict[str, str], ): """ Creates an m.room.member event, with context, without participating in the room. @@ -417,21 +427,23 @@ class FederationClient(FederationBase): Note that this does not append any events to any graphs. Args: - destinations (Iterable[str]): Candidate homeservers which are probably + destinations: Candidate homeservers which are probably participating in the room. - room_id (str): The room in which the event will happen. - user_id (str): The user whose membership is being evented. - membership (str): The "membership" property of the event. Must be - one of "join" or "leave". - content (dict): Any additional data to put into the content field - of the event. - params (dict[str, str|Iterable[str]]): Query parameters to include in the - request. + room_id: The room in which the event will happen. + user_id: The user whose membership is being evented. + membership: The "membership" property of the event. Must be one of + "join" or "leave". + content: Any additional data to put into the content field of the + event. + params: Query parameters to include in the request. Return: - Deferred[tuple[str, FrozenEvent, int]]: resolves to a tuple of - `(origin, event, event_format)` where origin is the remote - homeserver which generated the event, and event_format is one of - `synapse.api.room_versions.EventFormatVersions`. + Deferred[Tuple[str, FrozenEvent, RoomVersion]]: resolves to a tuple of + `(origin, event, room_version)` where origin is the remote + homeserver which generated the event, and room_version is the + version of the room. + + Fails with a `UnsupportedRoomVersionError` if remote responds with + a room version we don't understand. Fails with a ``SynapseError`` if the chosen remote server returns a 300/400 code. @@ -453,8 +465,12 @@ class FederationClient(FederationBase): # Note: If not supplied, the room version may be either v1 or v2, # however either way the event format version will be v1. - room_version = ret.get("room_version", RoomVersions.V1.identifier) - event_format = room_version_to_event_format(room_version) + room_version_id = ret.get("room_version", RoomVersions.V1.identifier) + room_version = KNOWN_ROOM_VERSIONS.get(room_version_id) + if not room_version: + raise UnsupportedRoomVersionError() + + event_format = room_version_to_event_format(room_version_id) pdu_dict = ret.get("event", None) if not isinstance(pdu_dict, dict): @@ -478,7 +494,7 @@ class FederationClient(FederationBase): event_dict=pdu_dict, ) - return (destination, ev, event_format) + return (destination, ev, room_version) return self._try_destination_list( "make_" + membership, destinations, send_request diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index d4f9a792fce4463dc0ce0bd6fd957887fa8ee511..f824ee79a0ba0e47a6f32a6e953e6e45bfd5bb4f 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -44,10 +44,10 @@ from synapse.api.errors import ( StoreError, SynapseError, ) -from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersions +from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersion, RoomVersions from synapse.crypto.event_signing import compute_event_signature from synapse.event_auth import auth_types_for_event -from synapse.events import EventBase +from synapse.events import EventBase, room_version_to_event_format from synapse.events.snapshot import EventContext from synapse.events.validator import EventValidator from synapse.logging.context import ( @@ -703,8 +703,20 @@ class FederationHandler(BaseHandler): if not room: try: + prev_state_ids = await context.get_prev_state_ids() + create_event = await self.store.get_event( + prev_state_ids[(EventTypes.Create, "")] + ) + + room_version_id = create_event.content.get( + "room_version", RoomVersions.V1.identifier + ) + await self.store.store_room( - room_id=room_id, room_creator_user_id="", is_public=False + room_id=room_id, + room_creator_user_id="", + is_public=False, + room_version=KNOWN_ROOM_VERSIONS[room_version_id], ) except StoreError: logger.exception("Failed to store room.") @@ -1186,7 +1198,7 @@ class FederationHandler(BaseHandler): """ logger.debug("Joining %s to %s", joinee, room_id) - origin, event, event_format_version = yield self._make_and_verify_event( + origin, event, room_version = yield self._make_and_verify_event( target_hosts, room_id, joinee, @@ -1214,6 +1226,8 @@ class FederationHandler(BaseHandler): target_hosts.insert(0, origin) except ValueError: pass + + event_format_version = room_version_to_event_format(room_version.identifier) ret = yield self.federation_client.send_join( target_hosts, event, event_format_version ) @@ -1234,13 +1248,18 @@ class FederationHandler(BaseHandler): try: yield self.store.store_room( - room_id=room_id, room_creator_user_id="", is_public=False + room_id=room_id, + room_creator_user_id="", + is_public=False, + room_version=room_version, ) except Exception: # FIXME pass - yield self._persist_auth_tree(origin, auth_chain, state, event) + yield self._persist_auth_tree( + origin, auth_chain, state, event, room_version + ) # Check whether this room is the result of an upgrade of a room we already know # about. If so, migrate over user information @@ -1486,7 +1505,7 @@ class FederationHandler(BaseHandler): @defer.inlineCallbacks def do_remotely_reject_invite(self, target_hosts, room_id, user_id, content): - origin, event, event_format_version = yield self._make_and_verify_event( + origin, event, room_version = yield self._make_and_verify_event( target_hosts, room_id, user_id, "leave", content=content ) # Mark as outlier as we don't have any state for this event; we're not @@ -1513,7 +1532,11 @@ class FederationHandler(BaseHandler): def _make_and_verify_event( self, target_hosts, room_id, user_id, membership, content={}, params=None ): - origin, event, format_ver = yield self.federation_client.make_membership_event( + ( + origin, + event, + room_version, + ) = yield self.federation_client.make_membership_event( target_hosts, room_id, user_id, membership, content, params=params ) @@ -1525,7 +1548,7 @@ class FederationHandler(BaseHandler): assert event.user_id == user_id assert event.state_key == user_id assert event.room_id == room_id - return origin, event, format_ver + return origin, event, room_version @defer.inlineCallbacks @log_function @@ -1810,7 +1833,14 @@ class FederationHandler(BaseHandler): ) @defer.inlineCallbacks - def _persist_auth_tree(self, origin, auth_events, state, event): + def _persist_auth_tree( + self, + origin: str, + auth_events: List[EventBase], + state: List[EventBase], + event: EventBase, + room_version: RoomVersion, + ): """Checks the auth chain is valid (and passes auth checks) for the state and event. Then persists the auth chain and state atomically. Persists the event separately. Notifies about the persisted events @@ -1819,10 +1849,12 @@ class FederationHandler(BaseHandler): Will attempt to fetch missing auth events. Args: - origin (str): Where the events came from - auth_events (list) - state (list) - event (Event) + origin: Where the events came from + auth_events + state + event + room_version: The room version we expect this room to have, and + will raise if it doesn't match the version in the create event. Returns: Deferred @@ -1848,10 +1880,13 @@ class FederationHandler(BaseHandler): # invalid, and it would fail auth checks anyway. raise SynapseError(400, "No create event in state") - room_version = create_event.content.get( + room_version_id = create_event.content.get( "room_version", RoomVersions.V1.identifier ) + if room_version.identifier != room_version_id: + raise SynapseError(400, "Room version mismatch") + missing_auth_events = set() for e in itertools.chain(auth_events, state, [event]): for e_id in e.auth_event_ids(): diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 9f50196ea76adeb391a1596c46d3c5e2f21ecc65..a9490782b7e6de789fcef4c2e27f7b0276f3634d 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -29,7 +29,7 @@ from twisted.internet import defer from synapse.api.constants import EventTypes, JoinRules, RoomCreationPreset from synapse.api.errors import AuthError, Codes, NotFoundError, StoreError, SynapseError -from synapse.api.room_versions import KNOWN_ROOM_VERSIONS +from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersion from synapse.http.endpoint import parse_and_validate_server_name from synapse.storage.state import StateFilter from synapse.types import ( @@ -100,13 +100,15 @@ class RoomCreationHandler(BaseHandler): self.third_party_event_rules = hs.get_third_party_event_rules() @defer.inlineCallbacks - def upgrade_room(self, requester, old_room_id, new_version): + def upgrade_room( + self, requester: Requester, old_room_id: str, new_version: RoomVersion + ): """Replace a room with a new room with a different version Args: - requester (synapse.types.Requester): the user requesting the upgrade - old_room_id (unicode): the id of the room to be replaced - new_version (unicode): the new room version to use + requester: the user requesting the upgrade + old_room_id: the id of the room to be replaced + new_version: the new room version to use Returns: Deferred[unicode]: the new room id @@ -151,7 +153,7 @@ class RoomCreationHandler(BaseHandler): if r is None: raise NotFoundError("Unknown room id %s" % (old_room_id,)) new_room_id = yield self._generate_room_id( - creator_id=user_id, is_public=r["is_public"] + creator_id=user_id, is_public=r["is_public"], room_version=new_version, ) logger.info("Creating new room %s to replace %s", new_room_id, old_room_id) @@ -299,18 +301,22 @@ class RoomCreationHandler(BaseHandler): @defer.inlineCallbacks def clone_existing_room( - self, requester, old_room_id, new_room_id, new_room_version, tombstone_event_id + self, + requester: Requester, + old_room_id: str, + new_room_id: str, + new_room_version: RoomVersion, + tombstone_event_id: str, ): """Populate a new room based on an old room Args: - requester (synapse.types.Requester): the user requesting the upgrade - old_room_id (unicode): the id of the room to be replaced - new_room_id (unicode): the id to give the new room (should already have been + requester: the user requesting the upgrade + old_room_id : the id of the room to be replaced + new_room_id: the id to give the new room (should already have been created with _gemerate_room_id()) - new_room_version (unicode): the new room version to use - tombstone_event_id (unicode|str): the ID of the tombstone event in the old - room. + new_room_version: the new room version to use + tombstone_event_id: the ID of the tombstone event in the old room. Returns: Deferred """ @@ -320,7 +326,7 @@ class RoomCreationHandler(BaseHandler): raise SynapseError(403, "You are not permitted to create rooms") creation_content = { - "room_version": new_room_version, + "room_version": new_room_version.identifier, "predecessor": {"room_id": old_room_id, "event_id": tombstone_event_id}, } @@ -577,14 +583,15 @@ class RoomCreationHandler(BaseHandler): if ratelimit: yield self.ratelimit(requester) - room_version = config.get( + room_version_id = config.get( "room_version", self.config.default_room_version.identifier ) - if not isinstance(room_version, string_types): + if not isinstance(room_version_id, string_types): raise SynapseError(400, "room_version must be a string", Codes.BAD_JSON) - if room_version not in KNOWN_ROOM_VERSIONS: + room_version = KNOWN_ROOM_VERSIONS.get(room_version_id) + if room_version is None: raise SynapseError( 400, "Your homeserver does not support this room version", @@ -631,7 +638,9 @@ class RoomCreationHandler(BaseHandler): visibility = config.get("visibility", None) is_public = visibility == "public" - room_id = yield self._generate_room_id(creator_id=user_id, is_public=is_public) + room_id = yield self._generate_room_id( + creator_id=user_id, is_public=is_public, room_version=room_version, + ) directory_handler = self.hs.get_handlers().directory_handler if room_alias: @@ -660,7 +669,7 @@ class RoomCreationHandler(BaseHandler): creation_content = config.get("creation_content", {}) # override any attempt to set room versions via the creation_content - creation_content["room_version"] = room_version + creation_content["room_version"] = room_version.identifier yield self._send_events_for_new_room( requester, @@ -849,7 +858,9 @@ class RoomCreationHandler(BaseHandler): yield send(etype=etype, state_key=state_key, content=content) @defer.inlineCallbacks - def _generate_room_id(self, creator_id, is_public): + def _generate_room_id( + self, creator_id: str, is_public: str, room_version: RoomVersion, + ): # autogen room IDs and try to create it. We may clash, so just # try a few times till one goes through, giving up eventually. attempts = 0 @@ -863,6 +874,7 @@ class RoomCreationHandler(BaseHandler): room_id=gen_room_id, room_creator_user_id=creator_id, is_public=is_public, + room_version=room_version, ) return gen_room_id except StoreError: diff --git a/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py b/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py index ca97330797ca6571ce64f81362d7a9a24ca47692..f357015a7001121da31a8f2894e30f22de7270a0 100644 --- a/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py +++ b/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py @@ -64,7 +64,8 @@ class RoomUpgradeRestServlet(RestServlet): assert_params_in_dict(content, ("new_version",)) new_version = content["new_version"] - if new_version not in KNOWN_ROOM_VERSIONS: + new_version = KNOWN_ROOM_VERSIONS.get(content["new_version"]) + if new_version is None: raise SynapseError( 400, "Your homeserver does not support this room version", diff --git a/synapse/storage/data_stores/main/room.py b/synapse/storage/data_stores/main/room.py index d968803ad2fb2ce7a008cb926a909a2a8dd0a6b2..9a17e336ba16cb4ba2cd0565df3d2baf440e6884 100644 --- a/synapse/storage/data_stores/main/room.py +++ b/synapse/storage/data_stores/main/room.py @@ -29,9 +29,10 @@ from twisted.internet import defer from synapse.api.constants import EventTypes from synapse.api.errors import StoreError +from synapse.api.room_versions import RoomVersion, RoomVersions from synapse.storage._base import SQLBaseStore from synapse.storage.data_stores.main.search import SearchStore -from synapse.storage.database import Database +from synapse.storage.database import Database, LoggingTransaction from synapse.types import ThirdPartyInstanceID from synapse.util.caches.descriptors import cached, cachedInlineCallbacks @@ -734,6 +735,7 @@ class RoomWorkerStore(SQLBaseStore): class RoomBackgroundUpdateStore(SQLBaseStore): REMOVE_TOMESTONED_ROOMS_BG_UPDATE = "remove_tombstoned_rooms_from_directory" + ADD_ROOMS_ROOM_VERSION_COLUMN = "add_rooms_room_version_column" def __init__(self, database: Database, db_conn, hs): super(RoomBackgroundUpdateStore, self).__init__(database, db_conn, hs) @@ -749,6 +751,11 @@ class RoomBackgroundUpdateStore(SQLBaseStore): self._remove_tombstoned_rooms_from_directory, ) + self.db.updates.register_background_update_handler( + self.ADD_ROOMS_ROOM_VERSION_COLUMN, + self._background_add_rooms_room_version_column, + ) + @defer.inlineCallbacks def _background_insert_retention(self, progress, batch_size): """Retrieves a list of all rooms within a range and inserts an entry for each of @@ -817,6 +824,73 @@ class RoomBackgroundUpdateStore(SQLBaseStore): defer.returnValue(batch_size) + async def _background_add_rooms_room_version_column( + self, progress: dict, batch_size: int + ): + """Background update to go and add room version inforamtion to `rooms` + table from `current_state_events` table. + """ + + last_room_id = progress.get("room_id", "") + + def _background_add_rooms_room_version_column_txn(txn: LoggingTransaction): + sql = """ + SELECT room_id, json FROM current_state_events + INNER JOIN event_json USING (room_id, event_id) + WHERE room_id > ? AND type = 'm.room.create' AND state_key = '' + ORDER BY room_id + LIMIT ? + """ + + txn.execute(sql, (last_room_id, batch_size)) + + updates = [] + for room_id, event_json in txn: + event_dict = json.loads(event_json) + room_version_id = event_dict.get("content", {}).get( + "room_version", RoomVersions.V1.identifier + ) + + creator = event_dict.get("content").get("creator") + + updates.append((room_id, creator, room_version_id)) + + if not updates: + return True + + new_last_room_id = "" + for room_id, creator, room_version_id in updates: + # We upsert here just in case we don't already have a row, + # mainly for paranoia as much badness would happen if we don't + # insert the row and then try and get the room version for the + # room. + self.db.simple_upsert_txn( + txn, + table="rooms", + keyvalues={"room_id": room_id}, + values={"room_version": room_version_id}, + insertion_values={"is_public": False, "creator": creator}, + ) + new_last_room_id = room_id + + self.db.updates._background_update_progress_txn( + txn, self.ADD_ROOMS_ROOM_VERSION_COLUMN, {"room_id": new_last_room_id} + ) + + return False + + end = await self.db.runInteraction( + "_background_add_rooms_room_version_column", + _background_add_rooms_room_version_column_txn, + ) + + if end: + await self.db.updates._end_background_update( + self.ADD_ROOMS_ROOM_VERSION_COLUMN + ) + + return batch_size + async def _remove_tombstoned_rooms_from_directory( self, progress, batch_size ) -> int: @@ -881,14 +955,21 @@ class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore): self.config = hs.config @defer.inlineCallbacks - def store_room(self, room_id, room_creator_user_id, is_public): + def store_room( + self, + room_id: str, + room_creator_user_id: str, + is_public: bool, + room_version: RoomVersion, + ): """Stores a room. Args: - room_id (str): The desired room ID, can be None. - room_creator_user_id (str): The user ID of the room creator. - is_public (bool): True to indicate that this room should appear in - public room lists. + room_id: The desired room ID, can be None. + room_creator_user_id: The user ID of the room creator. + is_public: True to indicate that this room should appear in + public room lists. + room_version: The version of the room Raises: StoreError if the room could not be stored. """ @@ -902,6 +983,7 @@ class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore): "room_id": room_id, "creator": room_creator_user_id, "is_public": is_public, + "room_version": room_version.identifier, }, ) if is_public: diff --git a/synapse/storage/data_stores/main/schema/delta/57/rooms_version_column.sql b/synapse/storage/data_stores/main/schema/delta/57/rooms_version_column.sql new file mode 100644 index 0000000000000000000000000000000000000000..352a66f5b0b0f584321ade09b5cdad4ecc2c1c80 --- /dev/null +++ b/synapse/storage/data_stores/main/schema/delta/57/rooms_version_column.sql @@ -0,0 +1,24 @@ +/* Copyright 2020 The Matrix.org Foundation C.I.C + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +-- We want to start storing the room version independently of +-- `current_state_events` so that we can delete stale entries from it without +-- losing the information. +ALTER TABLE rooms ADD COLUMN room_version TEXT; + + +INSERT into background_updates (update_name, progress_json) + VALUES ('add_rooms_room_version_column', '{}'); diff --git a/synapse/storage/data_stores/main/state.py b/synapse/storage/data_stores/main/state.py index 33bebd1c485affa5c248f2ae3f22c044a2955e28..bd7b0276f14deffed38634924a5856b1ebe49d34 100644 --- a/synapse/storage/data_stores/main/state.py +++ b/synapse/storage/data_stores/main/state.py @@ -60,24 +60,34 @@ class StateGroupWorkerStore(EventsWorkerStore, SQLBaseStore): def __init__(self, database: Database, db_conn, hs): super(StateGroupWorkerStore, self).__init__(database, db_conn, hs) - @defer.inlineCallbacks - def get_room_version(self, room_id): + @cached(max_entries=10000) + async def get_room_version(self, room_id: str) -> str: """Get the room_version of a given room - Args: - room_id (str) - - Returns: - Deferred[str] - Raises: - NotFoundError if the room is unknown + NotFoundError: if the room is unknown """ - # for now we do this by looking at the create event. We may want to cache this - # more intelligently in future. + + # First we try looking up room version from the database, but for old + # rooms we might not have added the room version to it yet so we fall + # back to previous behaviour and look in current state events. + + # We really should have an entry in the rooms table for every room we + # care about, but let's be a bit paranoid (at least while the background + # update is happening) to avoid breaking existing rooms. + version = await self.db.simple_select_one_onecol( + table="rooms", + keyvalues={"room_id": room_id}, + retcol="room_version", + desc="get_room_version", + allow_none=True, + ) + + if version is not None: + return version # Retrieve the room's create event - create_event = yield self.get_create_event_for_room(room_id) + create_event = await self.get_create_event_for_room(room_id) return create_event.content.get("room_version", "1") @defer.inlineCallbacks diff --git a/tests/storage/test_room.py b/tests/storage/test_room.py index 3ddaa151fefceef2437a2c038f1d710ec6341b20..086adeb8fd3979b2400472e6026c9859f4a2ed54 100644 --- a/tests/storage/test_room.py +++ b/tests/storage/test_room.py @@ -17,6 +17,7 @@ from twisted.internet import defer from synapse.api.constants import EventTypes +from synapse.api.room_versions import RoomVersions from synapse.types import RoomAlias, RoomID, UserID from tests import unittest @@ -40,6 +41,7 @@ class RoomStoreTestCase(unittest.TestCase): self.room.to_string(), room_creator_user_id=self.u_creator.to_string(), is_public=True, + room_version=RoomVersions.V1, ) @defer.inlineCallbacks @@ -68,7 +70,10 @@ class RoomEventsStoreTestCase(unittest.TestCase): self.room = RoomID.from_string("!abcde:test") yield self.store.store_room( - self.room.to_string(), room_creator_user_id="@creator:text", is_public=True + self.room.to_string(), + room_creator_user_id="@creator:text", + is_public=True, + room_version=RoomVersions.V1, ) @defer.inlineCallbacks diff --git a/tests/storage/test_state.py b/tests/storage/test_state.py index d6ecf102f8944aa655fc1824bc08805a7cc4b2bc..04d58fbf2479a32d6c72434b65fb7c78f95dc358 100644 --- a/tests/storage/test_state.py +++ b/tests/storage/test_state.py @@ -45,7 +45,10 @@ class StateStoreTestCase(tests.unittest.TestCase): self.room = RoomID.from_string("!abc123:test") yield self.store.store_room( - self.room.to_string(), room_creator_user_id="@creator:text", is_public=True + self.room.to_string(), + room_creator_user_id="@creator:text", + is_public=True, + room_version=RoomVersions.V1, ) @defer.inlineCallbacks diff --git a/tests/utils.py b/tests/utils.py index e2e9cafd791a0799330f1baf96bed080ddc3a23c..513f358f4fd01bdf734e74860654f8be9aebb0f2 100644 --- a/tests/utils.py +++ b/tests/utils.py @@ -639,9 +639,17 @@ def create_room(hs, room_id, creator_id): """ persistence_store = hs.get_storage().persistence + store = hs.get_datastore() event_builder_factory = hs.get_event_builder_factory() event_creation_handler = hs.get_event_creation_handler() + yield store.store_room( + room_id=room_id, + room_creator_user_id=creator_id, + is_public=False, + room_version=RoomVersions.V1, + ) + builder = event_builder_factory.for_room_version( RoomVersions.V1, {