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synapse/tests/handlers/test_room_list.py
reivilibre a83a337c4d
Filter out rooms from the room directory being served to other homeservers when those rooms block that homeserver by their Access Control Lists. (#16759)
The idea here being that the directory server shouldn't advertise rooms
to a requesting server is the requesting server would not be allowed to
join or participate in the room.

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Original commit schedule, with full messages:

<ol>
<li>

Pass `from_federation_origin` down into room list retrieval code 

</li>
<li>

Don't cache /publicRooms response for inbound federated requests 

</li>
<li>

fixup! Don't cache /publicRooms response for inbound federated requests 

</li>
<li>

Cap the number of /publicRooms entries to 100 

</li>
<li>

Simplify code now that you can't request unlimited rooms 

</li>
<li>

Filter out rooms from federated requests that don't have the correct ACL

</li>
<li>

Request a handful more when filtering ACLs so that we can try to avoid
shortchanging the requester

</li>
</ol>

---------

Signed-off-by: Olivier Wilkinson (reivilibre) <oliverw@matrix.org>
2024-01-08 17:24:20 +00:00

88 lines
2.8 KiB
Python

from http import HTTPStatus
from typing import Optional, Set
from synapse.rest import admin
from synapse.rest.client import directory, login, room
from synapse.types import JsonDict
from tests import unittest
class RoomListHandlerTestCase(unittest.HomeserverTestCase):
servlets = [
admin.register_servlets,
login.register_servlets,
room.register_servlets,
directory.register_servlets,
]
def _create_published_room(
self, tok: str, extra_content: Optional[JsonDict] = None
) -> str:
room_id = self.helper.create_room_as(tok=tok, extra_content=extra_content)
channel = self.make_request(
"PUT",
f"/_matrix/client/v3/directory/list/room/{room_id}?access_token={tok}",
content={
"visibility": "public",
},
)
assert channel.code == HTTPStatus.OK, f"couldn't publish room: {channel.result}"
return room_id
def test_acls_applied_to_room_directory_results(self) -> None:
"""
Creates 3 rooms. Room 2 has an ACL that only permits the homeservers
`test` and `test2` to access it.
We then simulate `test2` and `test3` requesting the room directory and assert
that `test3` does not see room 2, but `test2` sees all 3.
"""
self.register_user("u1", "p1")
u1tok = self.login("u1", "p1")
room1 = self._create_published_room(u1tok)
room2 = self._create_published_room(
u1tok,
extra_content={
"initial_state": [
{
"type": "m.room.server_acl",
"content": {
"allow": ["test", "test2"],
},
}
]
},
)
room3 = self._create_published_room(u1tok)
room_list = self.get_success(
self.hs.get_room_list_handler().get_local_public_room_list(
limit=50, from_federation_origin="test2"
)
)
room_ids_in_test2_list: Set[str] = {
entry["room_id"] for entry in room_list["chunk"]
}
room_list = self.get_success(
self.hs.get_room_list_handler().get_local_public_room_list(
limit=50, from_federation_origin="test3"
)
)
room_ids_in_test3_list: Set[str] = {
entry["room_id"] for entry in room_list["chunk"]
}
self.assertEqual(
room_ids_in_test2_list,
{room1, room2, room3},
"test2 should be able to see all 3 rooms",
)
self.assertEqual(
room_ids_in_test3_list,
{room1, room3},
"test3 should be able to see only 2 rooms",
)