289 lines
9.4 KiB
Python
289 lines
9.4 KiB
Python
# Copyright 2020 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from http import HTTPStatus
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.api.errors import Codes
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from synapse.events.utils import CANONICALJSON_MAX_INT, CANONICALJSON_MIN_INT
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from synapse.rest import admin
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from synapse.rest.client import login, room, sync
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from synapse.server import HomeServer
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from synapse.util import Clock
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from tests.unittest import HomeserverTestCase
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class PowerLevelsTestCase(HomeserverTestCase):
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"""Tests that power levels are enforced in various situations"""
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servlets = [
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admin.register_servlets,
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room.register_servlets,
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login.register_servlets,
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sync.register_servlets,
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]
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def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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config = self.default_config()
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return self.setup_test_homeserver(config=config)
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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# register a room admin, moderator and regular user
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self.admin_user_id = self.register_user("admin", "pass")
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self.admin_access_token = self.login("admin", "pass")
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self.mod_user_id = self.register_user("mod", "pass")
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self.mod_access_token = self.login("mod", "pass")
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self.user_user_id = self.register_user("user", "pass")
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self.user_access_token = self.login("user", "pass")
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# Create a room
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self.room_id = self.helper.create_room_as(
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self.admin_user_id, tok=self.admin_access_token
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)
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# Invite the other users
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self.helper.invite(
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room=self.room_id,
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src=self.admin_user_id,
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tok=self.admin_access_token,
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targ=self.mod_user_id,
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)
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self.helper.invite(
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room=self.room_id,
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src=self.admin_user_id,
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tok=self.admin_access_token,
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targ=self.user_user_id,
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)
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# Make the other users join the room
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self.helper.join(
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room=self.room_id, user=self.mod_user_id, tok=self.mod_access_token
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)
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self.helper.join(
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room=self.room_id, user=self.user_user_id, tok=self.user_access_token
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)
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# Mod the mod
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room_power_levels = self.helper.get_state(
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self.room_id,
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"m.room.power_levels",
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tok=self.admin_access_token,
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)
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# Update existing power levels with mod at PL50
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room_power_levels["users"].update({self.mod_user_id: 50})
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self.helper.send_state(
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self.room_id,
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"m.room.power_levels",
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room_power_levels,
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tok=self.admin_access_token,
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)
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def test_non_admins_cannot_enable_room_encryption(self) -> None:
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# have the mod try to enable room encryption
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self.helper.send_state(
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self.room_id,
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"m.room.encryption",
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{"algorithm": "m.megolm.v1.aes-sha2"},
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tok=self.mod_access_token,
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expect_code=403, # expect failure
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)
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# have the user try to enable room encryption
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self.helper.send_state(
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self.room_id,
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"m.room.encryption",
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{"algorithm": "m.megolm.v1.aes-sha2"},
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tok=self.user_access_token,
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expect_code=HTTPStatus.FORBIDDEN, # expect failure
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)
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def test_non_admins_cannot_send_server_acl(self) -> None:
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# have the mod try to send a server ACL
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self.helper.send_state(
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self.room_id,
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"m.room.server_acl",
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{
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"allow": ["*"],
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"allow_ip_literals": False,
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"deny": ["*.evil.com", "evil.com"],
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},
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tok=self.mod_access_token,
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expect_code=HTTPStatus.FORBIDDEN, # expect failure
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)
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# have the user try to send a server ACL
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self.helper.send_state(
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self.room_id,
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"m.room.server_acl",
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{
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"allow": ["*"],
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"allow_ip_literals": False,
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"deny": ["*.evil.com", "evil.com"],
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},
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tok=self.user_access_token,
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expect_code=HTTPStatus.FORBIDDEN, # expect failure
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)
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def test_non_admins_cannot_tombstone_room(self) -> None:
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# Create another room that will serve as our "upgraded room"
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self.upgraded_room_id = self.helper.create_room_as(
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self.admin_user_id, tok=self.admin_access_token
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)
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# have the mod try to send a tombstone event
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self.helper.send_state(
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self.room_id,
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"m.room.tombstone",
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{
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"body": "This room has been replaced",
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"replacement_room": self.upgraded_room_id,
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},
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tok=self.mod_access_token,
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expect_code=HTTPStatus.FORBIDDEN, # expect failure
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)
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# have the user try to send a tombstone event
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self.helper.send_state(
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self.room_id,
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"m.room.tombstone",
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{
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"body": "This room has been replaced",
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"replacement_room": self.upgraded_room_id,
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},
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tok=self.user_access_token,
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expect_code=403, # expect failure
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)
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def test_admins_can_enable_room_encryption(self) -> None:
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# have the admin try to enable room encryption
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self.helper.send_state(
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self.room_id,
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"m.room.encryption",
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{"algorithm": "m.megolm.v1.aes-sha2"},
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tok=self.admin_access_token,
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expect_code=HTTPStatus.OK, # expect success
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)
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def test_admins_can_send_server_acl(self) -> None:
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# have the admin try to send a server ACL
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self.helper.send_state(
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self.room_id,
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"m.room.server_acl",
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{
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"allow": ["*"],
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"allow_ip_literals": False,
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"deny": ["*.evil.com", "evil.com"],
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},
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tok=self.admin_access_token,
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expect_code=HTTPStatus.OK, # expect success
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)
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def test_admins_can_tombstone_room(self) -> None:
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# Create another room that will serve as our "upgraded room"
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self.upgraded_room_id = self.helper.create_room_as(
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self.admin_user_id, tok=self.admin_access_token
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)
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# have the admin try to send a tombstone event
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self.helper.send_state(
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self.room_id,
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"m.room.tombstone",
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{
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"body": "This room has been replaced",
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"replacement_room": self.upgraded_room_id,
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},
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tok=self.admin_access_token,
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expect_code=HTTPStatus.OK, # expect success
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)
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def test_cannot_set_string_power_levels(self) -> None:
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room_power_levels = self.helper.get_state(
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self.room_id,
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"m.room.power_levels",
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tok=self.admin_access_token,
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)
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# Update existing power levels with user at PL "0"
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room_power_levels["users"].update({self.user_user_id: "0"})
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body = self.helper.send_state(
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self.room_id,
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"m.room.power_levels",
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room_power_levels,
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tok=self.admin_access_token,
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expect_code=HTTPStatus.BAD_REQUEST, # expect failure
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)
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self.assertEqual(
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body["errcode"],
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Codes.BAD_JSON,
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body,
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)
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def test_cannot_set_unsafe_large_power_levels(self) -> None:
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room_power_levels = self.helper.get_state(
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self.room_id,
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"m.room.power_levels",
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tok=self.admin_access_token,
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)
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# Update existing power levels with user at PL above the max safe integer
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room_power_levels["users"].update(
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{self.user_user_id: CANONICALJSON_MAX_INT + 1}
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)
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body = self.helper.send_state(
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self.room_id,
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"m.room.power_levels",
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room_power_levels,
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tok=self.admin_access_token,
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expect_code=HTTPStatus.BAD_REQUEST, # expect failure
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)
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self.assertEqual(
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body["errcode"],
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Codes.BAD_JSON,
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body,
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)
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def test_cannot_set_unsafe_small_power_levels(self) -> None:
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room_power_levels = self.helper.get_state(
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self.room_id,
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"m.room.power_levels",
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tok=self.admin_access_token,
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)
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# Update existing power levels with user at PL below the minimum safe integer
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room_power_levels["users"].update(
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{self.user_user_id: CANONICALJSON_MIN_INT - 1}
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)
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body = self.helper.send_state(
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self.room_id,
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"m.room.power_levels",
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room_power_levels,
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tok=self.admin_access_token,
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expect_code=HTTPStatus.BAD_REQUEST, # expect failure
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)
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self.assertEqual(
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body["errcode"],
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Codes.BAD_JSON,
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body,
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)
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