From 184303b8650a90256f84bc9801b749a5b81b6d4b Mon Sep 17 00:00:00 2001 From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com> Date: Thu, 30 Jan 2020 17:20:55 +0000 Subject: [PATCH] MSC2260: Block direct sends of m.room.aliases events (#6794) as per MSC2260 --- changelog.d/6794.feature | 1 + synapse/rest/client/v1/room.py | 12 ++++++++ tests/rest/admin/test_admin.py | 7 ----- tests/rest/client/v1/test_directory.py | 41 ++++++++++---------------- 4 files changed, 28 insertions(+), 33 deletions(-) create mode 100644 changelog.d/6794.feature diff --git a/changelog.d/6794.feature b/changelog.d/6794.feature new file mode 100644 index 000000000..df9e4b77a --- /dev/null +++ b/changelog.d/6794.feature @@ -0,0 +1 @@ +Implement updated authorization rules for aliases events, from [MSC2260](https://github.com/matrix-org/matrix-doc/pull/2260). diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index 5aef8238b..6f31584c5 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -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, diff --git a/tests/rest/admin/test_admin.py b/tests/rest/admin/test_admin.py index 0342aed41..e5984aaad 100644 --- a/tests/rest/admin/test_admin.py +++ b/tests/rest/admin/test_admin.py @@ -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", diff --git a/tests/rest/client/v1/test_directory.py b/tests/rest/client/v1/test_directory.py index 633b7dbda..914cf5492 100644 --- a/tests/rest/client/v1/test_directory.py +++ b/tests/rest/client/v1/test_directory.py @@ -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}