Mutual rooms: Remove dependency on user directory (#12836)

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Jonathan de Jong 2022-05-30 11:05:31 +02:00 committed by GitHub
parent bda4600399
commit 6be4953b99
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5 changed files with 27 additions and 58 deletions

1
changelog.d/12836.misc Normal file
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@ -0,0 +1 @@
Remove Mutual Rooms ([MSC2666](https://github.com/matrix-org/matrix-spec-proposals/pull/2666)) endpoint dependency on the User Directory.

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@ -42,21 +42,10 @@ class UserMutualRoomsServlet(RestServlet):
super().__init__()
self.auth = hs.get_auth()
self.store = hs.get_datastores().main
self.user_directory_search_enabled = (
hs.config.userdirectory.user_directory_search_enabled
)
async def on_GET(
self, request: SynapseRequest, user_id: str
) -> Tuple[int, JsonDict]:
if not self.user_directory_search_enabled:
raise SynapseError(
code=400,
msg="User directory searching is disabled. Cannot determine shared rooms.",
errcode=Codes.UNKNOWN,
)
UserID.from_string(user_id)
requester = await self.auth.get_user_by_req(request)
@ -67,8 +56,8 @@ class UserMutualRoomsServlet(RestServlet):
errcode=Codes.FORBIDDEN,
)
rooms = await self.store.get_mutual_rooms_for_users(
requester.user.to_string(), user_id
rooms = await self.store.get_mutual_rooms_between_users(
frozenset((requester.user.to_string(), user_id))
)
return 200, {"joined": list(rooms)}

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@ -670,6 +670,30 @@ class RoomMemberWorkerStore(EventsWorkerStore):
return user_who_share_room
@cached(cache_context=True, iterable=True)
async def get_mutual_rooms_between_users(
self, user_ids: FrozenSet[str], cache_context: _CacheContext
) -> FrozenSet[str]:
"""
Returns the set of rooms that all users in `user_ids` share.
Args:
user_ids: A frozen set of all users to investigate and return
overlapping joined rooms for.
cache_context
"""
shared_room_ids: Optional[FrozenSet[str]] = None
for user_id in user_ids:
room_ids = await self.get_rooms_for_user(
user_id, on_invalidate=cache_context.invalidate
)
if shared_room_ids is not None:
shared_room_ids &= room_ids
else:
shared_room_ids = room_ids
return shared_room_ids or frozenset()
async def get_joined_users_from_context(
self, event: EventBase, context: EventContext
) -> Dict[str, ProfileInfo]:

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@ -729,49 +729,6 @@ class UserDirectoryStore(UserDirectoryBackgroundUpdateStore):
users.update(rows)
return list(users)
async def get_mutual_rooms_for_users(
self, user_id: str, other_user_id: str
) -> Set[str]:
"""
Returns the rooms that a local user shares with another local or remote user.
Args:
user_id: The MXID of a local user
other_user_id: The MXID of the other user
Returns:
A set of room ID's that the users share.
"""
def _get_mutual_rooms_for_users_txn(
txn: LoggingTransaction,
) -> List[Dict[str, str]]:
txn.execute(
"""
SELECT p1.room_id
FROM users_in_public_rooms as p1
INNER JOIN users_in_public_rooms as p2
ON p1.room_id = p2.room_id
AND p1.user_id = ?
AND p2.user_id = ?
UNION
SELECT room_id
FROM users_who_share_private_rooms
WHERE
user_id = ?
AND other_user_id = ?
""",
(user_id, other_user_id, user_id, other_user_id),
)
rows = self.db_pool.cursor_to_dict(txn)
return rows
rows = await self.db_pool.runInteraction(
"get_mutual_rooms_for_users", _get_mutual_rooms_for_users_txn
)
return {row["room_id"] for row in rows}
async def get_user_directory_stream_pos(self) -> Optional[int]:
"""
Get the stream ID of the user directory stream.

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@ -36,12 +36,10 @@ class UserMutualRoomsTest(unittest.HomeserverTestCase):
def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
config = self.default_config()
config["update_user_directory"] = True
return self.setup_test_homeserver(config=config)
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.store = hs.get_datastores().main
self.handler = hs.get_user_directory_handler()
def _get_mutual_rooms(self, token: str, other_user: str) -> FakeChannel:
return self.make_request(