MSC2260: Block direct sends of m.room.aliases events (#6794)

as per MSC2260
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Richard van der Hoff 2020-01-30 17:20:55 +00:00 committed by GitHub
parent 57ad702af0
commit 184303b865
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4 changed files with 28 additions and 33 deletions

1
changelog.d/6794.feature Normal file
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@ -0,0 +1 @@
Implement updated authorization rules for aliases events, from [MSC2260](https://github.com/matrix-org/matrix-doc/pull/2260).

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@ -184,6 +184,12 @@ class RoomStateEventRestServlet(TransactionRestServlet):
content = parse_json_object_from_request(request)
if event_type == EventTypes.Aliases:
# MSC2260
raise SynapseError(
400, "Cannot send m.room.aliases events via /rooms/{room_id}/state"
)
event_dict = {
"type": event_type,
"content": content,
@ -231,6 +237,12 @@ class RoomSendEventRestServlet(TransactionRestServlet):
requester = await self.auth.get_user_by_req(request, allow_guest=True)
content = parse_json_object_from_request(request)
if event_type == EventTypes.Aliases:
# MSC2260
raise SynapseError(
400, "Cannot send m.room.aliases events via /rooms/{room_id}/send"
)
event_dict = {
"type": event_type,
"content": content,

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@ -868,13 +868,6 @@ class RoomTestCase(unittest.HomeserverTestCase):
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
# Set this new alias as the canonical alias for this room
self.helper.send_state(
room_id,
"m.room.aliases",
{"aliases": [test_alias]},
tok=self.admin_user_tok,
state_key="test",
)
self.helper.send_state(
room_id,
"m.room.canonical_alias",

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@ -51,26 +51,30 @@ class DirectoryTestCase(unittest.HomeserverTestCase):
self.user = self.register_user("user", "test")
self.user_tok = self.login("user", "test")
def test_state_event_not_in_room(self):
self.ensure_user_left_room()
self.set_alias_via_state_event(403)
def test_cannot_set_alias_via_state_event(self):
self.ensure_user_joined_room()
url = "/_matrix/client/r0/rooms/%s/state/m.room.aliases/%s" % (
self.room_id,
self.hs.hostname,
)
data = {"aliases": [self.random_alias(5)]}
request_data = json.dumps(data)
request, channel = self.make_request(
"PUT", url, request_data, access_token=self.user_tok
)
self.render(request)
self.assertEqual(channel.code, 400, channel.result)
def test_directory_endpoint_not_in_room(self):
self.ensure_user_left_room()
self.set_alias_via_directory(403)
def test_state_event_in_room_too_long(self):
self.ensure_user_joined_room()
self.set_alias_via_state_event(400, alias_length=256)
def test_directory_in_room_too_long(self):
self.ensure_user_joined_room()
self.set_alias_via_directory(400, alias_length=256)
def test_state_event_in_room(self):
self.ensure_user_joined_room()
self.set_alias_via_state_event(200)
def test_directory_in_room(self):
self.ensure_user_joined_room()
self.set_alias_via_directory(200)
@ -102,21 +106,6 @@ class DirectoryTestCase(unittest.HomeserverTestCase):
self.render(request)
self.assertEqual(channel.code, 200, channel.result)
def set_alias_via_state_event(self, expected_code, alias_length=5):
url = "/_matrix/client/r0/rooms/%s/state/m.room.aliases/%s" % (
self.room_id,
self.hs.hostname,
)
data = {"aliases": [self.random_alias(alias_length)]}
request_data = json.dumps(data)
request, channel = self.make_request(
"PUT", url, request_data, access_token=self.user_tok
)
self.render(request)
self.assertEqual(channel.code, expected_code, channel.result)
def set_alias_via_directory(self, expected_code, alias_length=5):
url = "/_matrix/client/r0/directory/room/%s" % self.random_alias(alias_length)
data = {"room_id": self.room_id}