527 lines
16 KiB
Python
527 lines
16 KiB
Python
# Copyright 2018 New Vector Ltd
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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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import unittest
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from synapse import event_auth
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from synapse.api.errors import AuthError
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from synapse.api.room_versions import RoomVersions
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from synapse.events import make_event_from_dict
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from synapse.types import get_domain_from_id
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class EventAuthTestCase(unittest.TestCase):
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def test_random_users_cannot_send_state_before_first_pl(self):
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"""
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Check that, before the first PL lands, the creator is the only user
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that can send a state event.
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"""
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creator = "@creator:example.com"
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joiner = "@joiner:example.com"
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auth_events = {
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("m.room.create", ""): _create_event(creator),
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("m.room.member", creator): _join_event(creator),
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("m.room.member", joiner): _join_event(joiner),
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}
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# creator should be able to send state
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event_auth.check(
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RoomVersions.V1,
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_random_state_event(creator),
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auth_events,
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do_sig_check=False,
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)
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# joiner should not be able to send state
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self.assertRaises(
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AuthError,
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event_auth.check,
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RoomVersions.V1,
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_random_state_event(joiner),
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auth_events,
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do_sig_check=False,
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)
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def test_state_default_level(self):
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"""
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Check that users above the state_default level can send state and
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those below cannot
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"""
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creator = "@creator:example.com"
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pleb = "@joiner:example.com"
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king = "@joiner2:example.com"
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auth_events = {
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("m.room.create", ""): _create_event(creator),
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("m.room.member", creator): _join_event(creator),
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("m.room.power_levels", ""): _power_levels_event(
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creator, {"state_default": "30", "users": {pleb: "29", king: "30"}}
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),
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("m.room.member", pleb): _join_event(pleb),
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("m.room.member", king): _join_event(king),
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}
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# pleb should not be able to send state
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self.assertRaises(
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AuthError,
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event_auth.check,
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RoomVersions.V1,
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_random_state_event(pleb),
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auth_events,
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do_sig_check=False,
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),
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# king should be able to send state
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event_auth.check(
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RoomVersions.V1,
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_random_state_event(king),
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auth_events,
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do_sig_check=False,
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)
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def test_alias_event(self):
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"""Alias events have special behavior up through room version 6."""
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creator = "@creator:example.com"
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other = "@other:example.com"
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auth_events = {
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("m.room.create", ""): _create_event(creator),
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("m.room.member", creator): _join_event(creator),
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}
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# creator should be able to send aliases
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event_auth.check(
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RoomVersions.V1,
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_alias_event(creator),
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auth_events,
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do_sig_check=False,
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)
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# Reject an event with no state key.
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V1,
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_alias_event(creator, state_key=""),
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auth_events,
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do_sig_check=False,
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)
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# If the domain of the sender does not match the state key, reject.
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V1,
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_alias_event(creator, state_key="test.com"),
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auth_events,
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do_sig_check=False,
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)
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# Note that the member does *not* need to be in the room.
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event_auth.check(
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RoomVersions.V1,
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_alias_event(other),
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auth_events,
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do_sig_check=False,
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)
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def test_msc2432_alias_event(self):
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"""After MSC2432, alias events have no special behavior."""
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creator = "@creator:example.com"
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other = "@other:example.com"
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auth_events = {
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("m.room.create", ""): _create_event(creator),
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("m.room.member", creator): _join_event(creator),
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}
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# creator should be able to send aliases
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event_auth.check(
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RoomVersions.V6,
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_alias_event(creator),
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auth_events,
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do_sig_check=False,
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)
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# No particular checks are done on the state key.
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event_auth.check(
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RoomVersions.V6,
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_alias_event(creator, state_key=""),
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auth_events,
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do_sig_check=False,
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)
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event_auth.check(
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RoomVersions.V6,
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_alias_event(creator, state_key="test.com"),
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auth_events,
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do_sig_check=False,
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)
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# Per standard auth rules, the member must be in the room.
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V6,
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_alias_event(other),
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auth_events,
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do_sig_check=False,
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)
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def test_msc2209(self):
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"""
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Notifications power levels get checked due to MSC2209.
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"""
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creator = "@creator:example.com"
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pleb = "@joiner:example.com"
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auth_events = {
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("m.room.create", ""): _create_event(creator),
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("m.room.member", creator): _join_event(creator),
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("m.room.power_levels", ""): _power_levels_event(
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creator, {"state_default": "30", "users": {pleb: "30"}}
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),
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("m.room.member", pleb): _join_event(pleb),
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}
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# pleb should be able to modify the notifications power level.
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event_auth.check(
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RoomVersions.V1,
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_power_levels_event(pleb, {"notifications": {"room": 100}}),
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auth_events,
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do_sig_check=False,
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)
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# But an MSC2209 room rejects this change.
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V6,
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_power_levels_event(pleb, {"notifications": {"room": 100}}),
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auth_events,
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do_sig_check=False,
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)
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def test_join_rules_public(self):
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"""
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Test joining a public room.
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"""
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creator = "@creator:example.com"
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pleb = "@joiner:example.com"
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auth_events = {
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("m.room.create", ""): _create_event(creator),
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("m.room.member", creator): _join_event(creator),
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("m.room.join_rules", ""): _join_rules_event(creator, "public"),
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}
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# Check join.
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user cannot be force-joined to a room.
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V6,
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_member_event(pleb, "join", sender=creator),
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auth_events,
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do_sig_check=False,
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)
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# Banned should be rejected.
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auth_events[("m.room.member", pleb)] = _member_event(pleb, "ban")
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user who left can re-join.
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auth_events[("m.room.member", pleb)] = _member_event(pleb, "leave")
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user can send a join if they're in the room.
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auth_events[("m.room.member", pleb)] = _member_event(pleb, "join")
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user can accept an invite.
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auth_events[("m.room.member", pleb)] = _member_event(
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pleb, "invite", sender=creator
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)
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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def test_join_rules_invite(self):
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"""
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Test joining an invite only room.
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"""
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creator = "@creator:example.com"
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pleb = "@joiner:example.com"
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auth_events = {
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("m.room.create", ""): _create_event(creator),
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("m.room.member", creator): _join_event(creator),
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("m.room.join_rules", ""): _join_rules_event(creator, "invite"),
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}
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# A join without an invite is rejected.
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user cannot be force-joined to a room.
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V6,
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_member_event(pleb, "join", sender=creator),
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auth_events,
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do_sig_check=False,
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)
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# Banned should be rejected.
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auth_events[("m.room.member", pleb)] = _member_event(pleb, "ban")
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user who left cannot re-join.
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auth_events[("m.room.member", pleb)] = _member_event(pleb, "leave")
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user can send a join if they're in the room.
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auth_events[("m.room.member", pleb)] = _member_event(pleb, "join")
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user can accept an invite.
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auth_events[("m.room.member", pleb)] = _member_event(
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pleb, "invite", sender=creator
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)
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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def test_join_rules_msc3083_restricted(self):
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"""
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Test joining a restricted room from MSC3083.
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This is pretty much the same test as public.
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"""
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creator = "@creator:example.com"
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pleb = "@joiner:example.com"
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auth_events = {
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("m.room.create", ""): _create_event(creator),
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("m.room.member", creator): _join_event(creator),
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("m.room.join_rules", ""): _join_rules_event(creator, "restricted"),
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}
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# Older room versions don't understand this join rule
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.V6,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# Check join.
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event_auth.check(
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RoomVersions.MSC3083,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user cannot be force-joined to a room.
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.MSC3083,
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_member_event(pleb, "join", sender=creator),
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auth_events,
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do_sig_check=False,
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)
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# Banned should be rejected.
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auth_events[("m.room.member", pleb)] = _member_event(pleb, "ban")
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with self.assertRaises(AuthError):
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event_auth.check(
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RoomVersions.MSC3083,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user who left can re-join.
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auth_events[("m.room.member", pleb)] = _member_event(pleb, "leave")
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event_auth.check(
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RoomVersions.MSC3083,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user can send a join if they're in the room.
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auth_events[("m.room.member", pleb)] = _member_event(pleb, "join")
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event_auth.check(
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RoomVersions.MSC3083,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# A user can accept an invite.
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auth_events[("m.room.member", pleb)] = _member_event(
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pleb, "invite", sender=creator
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)
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event_auth.check(
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RoomVersions.MSC3083,
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_join_event(pleb),
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auth_events,
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do_sig_check=False,
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)
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# helpers for making events
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TEST_ROOM_ID = "!test:room"
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def _create_event(user_id):
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return make_event_from_dict(
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{
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"room_id": TEST_ROOM_ID,
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"event_id": _get_event_id(),
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"type": "m.room.create",
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"sender": user_id,
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"content": {"creator": user_id},
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}
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)
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def _member_event(user_id, membership, sender=None):
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return make_event_from_dict(
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{
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"room_id": TEST_ROOM_ID,
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"event_id": _get_event_id(),
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"type": "m.room.member",
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"sender": sender or user_id,
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"state_key": user_id,
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"content": {"membership": membership},
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"prev_events": [],
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}
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)
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def _join_event(user_id):
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return _member_event(user_id, "join")
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def _power_levels_event(sender, content):
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return make_event_from_dict(
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{
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"room_id": TEST_ROOM_ID,
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"event_id": _get_event_id(),
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"type": "m.room.power_levels",
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"sender": sender,
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"state_key": "",
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"content": content,
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}
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)
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def _alias_event(sender, **kwargs):
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data = {
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"room_id": TEST_ROOM_ID,
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"event_id": _get_event_id(),
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"type": "m.room.aliases",
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"sender": sender,
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"state_key": get_domain_from_id(sender),
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"content": {"aliases": []},
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}
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data.update(**kwargs)
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return make_event_from_dict(data)
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def _random_state_event(sender):
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return make_event_from_dict(
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{
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"room_id": TEST_ROOM_ID,
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"event_id": _get_event_id(),
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"type": "test.state",
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"sender": sender,
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"state_key": "",
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"content": {"membership": "join"},
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}
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)
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def _join_rules_event(sender, join_rule):
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return make_event_from_dict(
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{
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"room_id": TEST_ROOM_ID,
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"event_id": _get_event_id(),
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"type": "m.room.join_rules",
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"sender": sender,
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"state_key": "",
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"content": {
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"join_rule": join_rule,
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},
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}
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)
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event_count = 0
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def _get_event_id():
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global event_count
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c = event_count
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event_count += 1
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return "!%i:example.com" % (c,)
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