587 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			587 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			Python
		
	
	
| # Copyright 2015, 2016 OpenMarket 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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| 
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| from synapse.api.constants import EventContentFields
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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.events.utils import (
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|     SerializeEventConfig,
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|     copy_and_fixup_power_levels_contents,
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|     prune_event,
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|     serialize_event,
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| )
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| from synapse.util.frozenutils import freeze
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| 
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| from tests import unittest
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| 
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| 
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| def MockEvent(**kwargs):
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|     if "event_id" not in kwargs:
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|         kwargs["event_id"] = "fake_event_id"
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|     if "type" not in kwargs:
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|         kwargs["type"] = "fake_type"
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|     return make_event_from_dict(kwargs)
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| 
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| 
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| class PruneEventTestCase(unittest.TestCase):
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|     def run_test(self, evdict, matchdict, **kwargs):
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|         """
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|         Asserts that a new event constructed with `evdict` will look like
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|         `matchdict` when it is redacted.
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| 
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|         Args:
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|              evdict: The dictionary to build the event from.
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|              matchdict: The expected resulting dictionary.
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|              kwargs: Additional keyword arguments used to create the event.
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|         """
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|         self.assertEqual(
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|             prune_event(make_event_from_dict(evdict, **kwargs)).get_dict(), matchdict
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|         )
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| 
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|     def test_minimal(self):
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|         self.run_test(
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|             {"type": "A", "event_id": "$test:domain"},
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|             {
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|                 "type": "A",
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|                 "event_id": "$test:domain",
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|                 "content": {},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|         )
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| 
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|     def test_basic_keys(self):
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|         """Ensure that the keys that should be untouched are kept."""
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|         # Note that some of the values below don't really make sense, but the
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|         # pruning of events doesn't worry about the values of any fields (with
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|         # the exception of the content field).
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|         self.run_test(
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|             {
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|                 "event_id": "$3:domain",
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|                 "type": "A",
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|                 "room_id": "!1:domain",
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|                 "sender": "@2:domain",
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|                 "state_key": "B",
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|                 "content": {"other_key": "foo"},
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|                 "hashes": "hashes",
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|                 "signatures": {"domain": {"algo:1": "sigs"}},
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|                 "depth": 4,
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|                 "prev_events": "prev_events",
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|                 "prev_state": "prev_state",
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|                 "auth_events": "auth_events",
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|                 "origin": "domain",
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|                 "origin_server_ts": 1234,
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|                 "membership": "join",
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|                 # Also include a key that should be removed.
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|                 "other_key": "foo",
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|             },
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|             {
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|                 "event_id": "$3:domain",
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|                 "type": "A",
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|                 "room_id": "!1:domain",
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|                 "sender": "@2:domain",
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|                 "state_key": "B",
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|                 "hashes": "hashes",
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|                 "depth": 4,
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|                 "prev_events": "prev_events",
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|                 "prev_state": "prev_state",
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|                 "auth_events": "auth_events",
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|                 "origin": "domain",
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|                 "origin_server_ts": 1234,
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|                 "membership": "join",
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|                 "content": {},
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|                 "signatures": {"domain": {"algo:1": "sigs"}},
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|                 "unsigned": {},
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|             },
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|         )
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| 
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|         # As of MSC2176 we now redact the membership and prev_states keys.
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|         self.run_test(
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|             {"type": "A", "prev_state": "prev_state", "membership": "join"},
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|             {"type": "A", "content": {}, "signatures": {}, "unsigned": {}},
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|             room_version=RoomVersions.MSC2176,
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|         )
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| 
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|     def test_unsigned(self):
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|         """Ensure that unsigned properties get stripped (except age_ts and replaces_state)."""
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|         self.run_test(
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|             {
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|                 "type": "B",
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|                 "event_id": "$test:domain",
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|                 "unsigned": {
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|                     "age_ts": 20,
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|                     "replaces_state": "$test2:domain",
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|                     "other_key": "foo",
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|                 },
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|             },
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|             {
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|                 "type": "B",
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|                 "event_id": "$test:domain",
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|                 "content": {},
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|                 "signatures": {},
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|                 "unsigned": {"age_ts": 20, "replaces_state": "$test2:domain"},
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|             },
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|         )
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| 
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|     def test_content(self):
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|         """The content dictionary should be stripped in most cases."""
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|         self.run_test(
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|             {"type": "C", "event_id": "$test:domain", "content": {"things": "here"}},
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|             {
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|                 "type": "C",
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|                 "event_id": "$test:domain",
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|                 "content": {},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|         )
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| 
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|         # Some events keep a single content key/value.
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|         EVENT_KEEP_CONTENT_KEYS = [
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|             ("member", "membership", "join"),
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|             ("join_rules", "join_rule", "invite"),
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|             ("history_visibility", "history_visibility", "shared"),
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|         ]
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|         for event_type, key, value in EVENT_KEEP_CONTENT_KEYS:
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|             self.run_test(
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|                 {
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|                     "type": "m.room." + event_type,
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|                     "event_id": "$test:domain",
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|                     "content": {key: value, "other_key": "foo"},
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|                 },
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|                 {
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|                     "type": "m.room." + event_type,
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|                     "event_id": "$test:domain",
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|                     "content": {key: value},
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|                     "signatures": {},
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|                     "unsigned": {},
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|                 },
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|             )
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| 
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|     def test_create(self):
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|         """Create events are partially redacted until MSC2176."""
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|         self.run_test(
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|             {
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|                 "type": "m.room.create",
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|                 "event_id": "$test:domain",
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|                 "content": {"creator": "@2:domain", "other_key": "foo"},
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|             },
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|             {
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|                 "type": "m.room.create",
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|                 "event_id": "$test:domain",
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|                 "content": {"creator": "@2:domain"},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|         )
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| 
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|         # After MSC2176, create events get nothing redacted.
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|         self.run_test(
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|             {"type": "m.room.create", "content": {"not_a_real_key": True}},
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|             {
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|                 "type": "m.room.create",
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|                 "content": {"not_a_real_key": True},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|             room_version=RoomVersions.MSC2176,
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|         )
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| 
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|     def test_power_levels(self):
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|         """Power level events keep a variety of content keys."""
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|         self.run_test(
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|             {
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|                 "type": "m.room.power_levels",
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|                 "event_id": "$test:domain",
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|                 "content": {
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|                     "ban": 1,
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|                     "events": {"m.room.name": 100},
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|                     "events_default": 2,
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|                     "invite": 3,
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|                     "kick": 4,
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|                     "redact": 5,
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|                     "state_default": 6,
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|                     "users": {"@admin:domain": 100},
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|                     "users_default": 7,
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|                     "other_key": 8,
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|                 },
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|             },
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|             {
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|                 "type": "m.room.power_levels",
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|                 "event_id": "$test:domain",
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|                 "content": {
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|                     "ban": 1,
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|                     "events": {"m.room.name": 100},
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|                     "events_default": 2,
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|                     # Note that invite is not here.
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|                     "kick": 4,
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|                     "redact": 5,
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|                     "state_default": 6,
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|                     "users": {"@admin:domain": 100},
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|                     "users_default": 7,
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|                 },
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|         )
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| 
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|         # After MSC2176, power levels events keep the invite key.
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|         self.run_test(
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|             {"type": "m.room.power_levels", "content": {"invite": 75}},
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|             {
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|                 "type": "m.room.power_levels",
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|                 "content": {"invite": 75},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|             room_version=RoomVersions.MSC2176,
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|         )
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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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|         self.run_test(
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|             {
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|                 "type": "m.room.aliases",
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|                 "event_id": "$test:domain",
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|                 "content": {"aliases": ["test"]},
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|             },
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|             {
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|                 "type": "m.room.aliases",
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|                 "event_id": "$test:domain",
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|                 "content": {"aliases": ["test"]},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|         )
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| 
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|         # After MSC2432, alias events have no special behavior.
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|         self.run_test(
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|             {"type": "m.room.aliases", "content": {"aliases": ["test"]}},
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|             {
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|                 "type": "m.room.aliases",
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|                 "content": {},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|             room_version=RoomVersions.V6,
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|         )
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| 
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|     def test_redacts(self):
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|         """Redaction events have no special behaviour until MSC2174/MSC2176."""
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| 
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|         self.run_test(
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|             {"type": "m.room.redaction", "content": {"redacts": "$test2:domain"}},
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|             {
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|                 "type": "m.room.redaction",
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|                 "content": {},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|             room_version=RoomVersions.V6,
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|         )
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| 
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|         # After MSC2174, redaction events keep the redacts content key.
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|         self.run_test(
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|             {"type": "m.room.redaction", "content": {"redacts": "$test2:domain"}},
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|             {
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|                 "type": "m.room.redaction",
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|                 "content": {"redacts": "$test2:domain"},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|             room_version=RoomVersions.MSC2176,
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|         )
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| 
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|     def test_join_rules(self):
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|         """Join rules events have changed behavior starting with MSC3083."""
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|         self.run_test(
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|             {
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|                 "type": "m.room.join_rules",
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|                 "event_id": "$test:domain",
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|                 "content": {
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|                     "join_rule": "invite",
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|                     "allow": [],
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|                     "other_key": "stripped",
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|                 },
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|             },
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|             {
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|                 "type": "m.room.join_rules",
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|                 "event_id": "$test:domain",
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|                 "content": {"join_rule": "invite"},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|         )
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| 
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|         # After MSC3083, the allow key is protected from redaction.
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|         self.run_test(
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|             {
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|                 "type": "m.room.join_rules",
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|                 "content": {
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|                     "join_rule": "invite",
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|                     "allow": [],
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|                     "other_key": "stripped",
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|                 },
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|             },
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|             {
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|                 "type": "m.room.join_rules",
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|                 "content": {
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|                     "join_rule": "invite",
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|                     "allow": [],
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|                 },
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|             room_version=RoomVersions.V8,
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|         )
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| 
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|     def test_member(self):
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|         """Member events have changed behavior starting with MSC3375."""
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|         self.run_test(
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|             {
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|                 "type": "m.room.member",
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|                 "event_id": "$test:domain",
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|                 "content": {
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|                     "membership": "join",
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|                     EventContentFields.AUTHORISING_USER: "@user:domain",
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|                     "other_key": "stripped",
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|                 },
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|             },
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|             {
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|                 "type": "m.room.member",
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|                 "event_id": "$test:domain",
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|                 "content": {"membership": "join"},
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|         )
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| 
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|         # After MSC3375, the join_authorised_via_users_server key is protected
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|         # from redaction.
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|         self.run_test(
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|             {
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|                 "type": "m.room.member",
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|                 "content": {
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|                     "membership": "join",
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|                     EventContentFields.AUTHORISING_USER: "@user:domain",
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|                     "other_key": "stripped",
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|                 },
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|             },
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|             {
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|                 "type": "m.room.member",
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|                 "content": {
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|                     "membership": "join",
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|                     EventContentFields.AUTHORISING_USER: "@user:domain",
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|                 },
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|                 "signatures": {},
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|                 "unsigned": {},
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|             },
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|             room_version=RoomVersions.V9,
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|         )
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| 
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| 
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| class SerializeEventTestCase(unittest.TestCase):
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|     def serialize(self, ev, fields):
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|         return serialize_event(
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|             ev, 1479807801915, config=SerializeEventConfig(only_event_fields=fields)
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|         )
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| 
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|     def test_event_fields_works_with_keys(self):
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|         self.assertEqual(
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|             self.serialize(
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|                 MockEvent(sender="@alice:localhost", room_id="!foo:bar"), ["room_id"]
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|             ),
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|             {"room_id": "!foo:bar"},
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|         )
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| 
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|     def test_event_fields_works_with_nested_keys(self):
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|         self.assertEqual(
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|             self.serialize(
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|                 MockEvent(
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|                     sender="@alice:localhost",
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|                     room_id="!foo:bar",
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|                     content={"body": "A message"},
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|                 ),
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|                 ["content.body"],
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|             ),
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|             {"content": {"body": "A message"}},
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|         )
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| 
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|     def test_event_fields_works_with_dot_keys(self):
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|         self.assertEqual(
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|             self.serialize(
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|                 MockEvent(
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|                     sender="@alice:localhost",
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|                     room_id="!foo:bar",
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|                     content={"key.with.dots": {}},
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|                 ),
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|                 [r"content.key\.with\.dots"],
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|             ),
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|             {"content": {"key.with.dots": {}}},
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|         )
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| 
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|     def test_event_fields_works_with_nested_dot_keys(self):
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|         self.assertEqual(
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|             self.serialize(
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|                 MockEvent(
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|                     sender="@alice:localhost",
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|                     room_id="!foo:bar",
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|                     content={
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|                         "not_me": 1,
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|                         "nested.dot.key": {"leaf.key": 42, "not_me_either": 1},
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|                     },
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|                 ),
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|                 [r"content.nested\.dot\.key.leaf\.key"],
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|             ),
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|             {"content": {"nested.dot.key": {"leaf.key": 42}}},
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|         )
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| 
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|     def test_event_fields_nops_with_unknown_keys(self):
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|         self.assertEqual(
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|             self.serialize(
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|                 MockEvent(
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|                     sender="@alice:localhost",
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|                     room_id="!foo:bar",
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|                     content={"foo": "bar"},
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|                 ),
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|                 ["content.foo", "content.notexists"],
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|             ),
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|             {"content": {"foo": "bar"}},
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|         )
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| 
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|     def test_event_fields_nops_with_non_dict_keys(self):
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|         self.assertEqual(
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|             self.serialize(
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|                 MockEvent(
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|                     sender="@alice:localhost",
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|                     room_id="!foo:bar",
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|                     content={"foo": ["I", "am", "an", "array"]},
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|                 ),
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|                 ["content.foo.am"],
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|             ),
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|             {},
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|         )
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| 
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|     def test_event_fields_nops_with_array_keys(self):
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|         self.assertEqual(
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|             self.serialize(
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|                 MockEvent(
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|                     sender="@alice:localhost",
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|                     room_id="!foo:bar",
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|                     content={"foo": ["I", "am", "an", "array"]},
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|                 ),
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|                 ["content.foo.1"],
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|             ),
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|             {},
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|         )
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| 
 | |
|     def test_event_fields_all_fields_if_empty(self):
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|         self.assertEqual(
 | |
|             self.serialize(
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|                 MockEvent(
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|                     type="foo",
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|                     event_id="test",
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|                     room_id="!foo:bar",
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|                     content={"foo": "bar"},
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|                 ),
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|                 [],
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|             ),
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|             {
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|                 "type": "foo",
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|                 "event_id": "test",
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|                 "room_id": "!foo:bar",
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|                 "content": {"foo": "bar"},
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|                 "unsigned": {},
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|             },
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|         )
 | |
| 
 | |
|     def test_event_fields_fail_if_fields_not_str(self):
 | |
|         with self.assertRaises(TypeError):
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|             self.serialize(
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|                 MockEvent(room_id="!foo:bar", content={"foo": "bar"}), ["room_id", 4]
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|             )
 | |
| 
 | |
| 
 | |
| class CopyPowerLevelsContentTestCase(unittest.TestCase):
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|     def setUp(self) -> None:
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|         self.test_content = {
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|             "ban": 50,
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|             "events": {"m.room.name": 100, "m.room.power_levels": 100},
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|             "events_default": 0,
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|             "invite": 50,
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|             "kick": 50,
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|             "notifications": {"room": 20},
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|             "redact": 50,
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|             "state_default": 50,
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|             "users": {"@example:localhost": 100},
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|             "users_default": 0,
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|         }
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| 
 | |
|     def _test(self, input):
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|         a = copy_and_fixup_power_levels_contents(input)
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| 
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|         self.assertEqual(a["ban"], 50)
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|         self.assertEqual(a["events"]["m.room.name"], 100)
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| 
 | |
|         # make sure that changing the copy changes the copy and not the orig
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|         a["ban"] = 10
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|         a["events"]["m.room.power_levels"] = 20
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| 
 | |
|         self.assertEqual(input["ban"], 50)
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|         self.assertEqual(input["events"]["m.room.power_levels"], 100)
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| 
 | |
|     def test_unfrozen(self):
 | |
|         self._test(self.test_content)
 | |
| 
 | |
|     def test_frozen(self):
 | |
|         input = freeze(self.test_content)
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|         self._test(input)
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| 
 | |
|     def test_stringy_integers(self):
 | |
|         """String representations of decimal integers are converted to integers."""
 | |
|         input = {
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|             "a": "100",
 | |
|             "b": {
 | |
|                 "foo": 99,
 | |
|                 "bar": "-98",
 | |
|             },
 | |
|             "d": "0999",
 | |
|         }
 | |
|         output = copy_and_fixup_power_levels_contents(input)
 | |
|         expected_output = {
 | |
|             "a": 100,
 | |
|             "b": {
 | |
|                 "foo": 99,
 | |
|                 "bar": -98,
 | |
|             },
 | |
|             "d": 999,
 | |
|         }
 | |
| 
 | |
|         self.assertEqual(output, expected_output)
 | |
| 
 | |
|     def test_strings_that_dont_represent_decimal_integers(self) -> None:
 | |
|         """Should raise when given inputs `s` for which `int(s, base=10)` raises."""
 | |
|         for invalid_string in ["0x123", "123.0", "123.45", "hello", "0b1", "0o777"]:
 | |
|             with self.assertRaises(TypeError):
 | |
|                 copy_and_fixup_power_levels_contents({"a": invalid_string})
 | |
| 
 | |
|     def test_invalid_types_raise_type_error(self) -> None:
 | |
|         with self.assertRaises(TypeError):
 | |
|             copy_and_fixup_power_levels_contents({"a": ["hello", "grandma"]})  # type: ignore[arg-type]
 | |
|             copy_and_fixup_power_levels_contents({"a": None})  # type: ignore[arg-type]
 | |
| 
 | |
|     def test_invalid_nesting_raises_type_error(self) -> None:
 | |
|         with self.assertRaises(TypeError):
 | |
|             copy_and_fixup_power_levels_contents({"a": {"b": {"c": 1}}})
 |