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synapse/tests/events/test_utils.py

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# Copyright 2015, 2016 OpenMarket Ltd
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#
# Licensed under the Apache License, Version 2.0 (the 'License');
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an 'AS IS' BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.api.constants import EventContentFields
from synapse.api.room_versions import RoomVersions
from synapse.events import make_event_from_dict
from synapse.events.utils import (
copy_power_levels_contents,
prune_event,
serialize_event,
)
from synapse.util.frozenutils import freeze
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from tests import unittest
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def MockEvent(**kwargs):
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if "event_id" not in kwargs:
kwargs["event_id"] = "fake_event_id"
if "type" not in kwargs:
kwargs["type"] = "fake_type"
return make_event_from_dict(kwargs)
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class PruneEventTestCase(unittest.TestCase):
def run_test(self, evdict, matchdict, **kwargs):
"""
Asserts that a new event constructed with `evdict` will look like
`matchdict` when it is redacted.
Args:
evdict: The dictionary to build the event from.
matchdict: The expected resulting dictionary.
kwargs: Additional keyword arguments used to create the event.
"""
self.assertEqual(
prune_event(make_event_from_dict(evdict, **kwargs)).get_dict(), matchdict
)
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def test_minimal(self):
self.run_test(
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{"type": "A", "event_id": "$test:domain"},
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{
"type": "A",
"event_id": "$test:domain",
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"content": {},
"signatures": {},
"unsigned": {},
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},
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)
def test_basic_keys(self):
"""Ensure that the keys that should be untouched are kept."""
# Note that some of the values below don't really make sense, but the
# pruning of events doesn't worry about the values of any fields (with
# the exception of the content field).
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self.run_test(
{
"event_id": "$3:domain",
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"type": "A",
"room_id": "!1:domain",
"sender": "@2:domain",
"state_key": "B",
"content": {"other_key": "foo"},
"hashes": "hashes",
"signatures": {"domain": {"algo:1": "sigs"}},
"depth": 4,
"prev_events": "prev_events",
"prev_state": "prev_state",
"auth_events": "auth_events",
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"origin": "domain",
"origin_server_ts": 1234,
"membership": "join",
# Also include a key that should be removed.
"other_key": "foo",
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},
{
"event_id": "$3:domain",
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"type": "A",
"room_id": "!1:domain",
"sender": "@2:domain",
"state_key": "B",
"hashes": "hashes",
"depth": 4,
"prev_events": "prev_events",
"prev_state": "prev_state",
"auth_events": "auth_events",
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"origin": "domain",
"origin_server_ts": 1234,
"membership": "join",
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"content": {},
"signatures": {"domain": {"algo:1": "sigs"}},
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"unsigned": {},
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},
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)
# As of MSC2176 we now redact the membership and prev_states keys.
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self.run_test(
{"type": "A", "prev_state": "prev_state", "membership": "join"},
{"type": "A", "content": {}, "signatures": {}, "unsigned": {}},
room_version=RoomVersions.MSC2176,
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)
def test_unsigned(self):
"""Ensure that unsigned properties get stripped (except age_ts and replaces_state)."""
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self.run_test(
{
"type": "B",
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"event_id": "$test:domain",
"unsigned": {
"age_ts": 20,
"replaces_state": "$test2:domain",
"other_key": "foo",
},
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},
{
"type": "B",
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"event_id": "$test:domain",
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"content": {},
"signatures": {},
"unsigned": {"age_ts": 20, "replaces_state": "$test2:domain"},
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},
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)
def test_content(self):
"""The content dictionary should be stripped in most cases."""
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self.run_test(
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{"type": "C", "event_id": "$test:domain", "content": {"things": "here"}},
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{
"type": "C",
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"event_id": "$test:domain",
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"content": {},
"signatures": {},
"unsigned": {},
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},
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)
# Some events keep a single content key/value.
EVENT_KEEP_CONTENT_KEYS = [
("member", "membership", "join"),
("join_rules", "join_rule", "invite"),
("history_visibility", "history_visibility", "shared"),
]
for event_type, key, value in EVENT_KEEP_CONTENT_KEYS:
self.run_test(
{
"type": "m.room." + event_type,
"event_id": "$test:domain",
"content": {key: value, "other_key": "foo"},
},
{
"type": "m.room." + event_type,
"event_id": "$test:domain",
"content": {key: value},
"signatures": {},
"unsigned": {},
},
)
def test_create(self):
"""Create events are partially redacted until MSC2176."""
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self.run_test(
{
"type": "m.room.create",
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"event_id": "$test:domain",
"content": {"creator": "@2:domain", "other_key": "foo"},
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},
{
"type": "m.room.create",
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"event_id": "$test:domain",
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"content": {"creator": "@2:domain"},
"signatures": {},
"unsigned": {},
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},
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)
# After MSC2176, create events get nothing redacted.
self.run_test(
{"type": "m.room.create", "content": {"not_a_real_key": True}},
{
"type": "m.room.create",
"content": {"not_a_real_key": True},
"signatures": {},
"unsigned": {},
},
room_version=RoomVersions.MSC2176,
)
def test_power_levels(self):
"""Power level events keep a variety of content keys."""
self.run_test(
{
"type": "m.room.power_levels",
"event_id": "$test:domain",
"content": {
"ban": 1,
"events": {"m.room.name": 100},
"events_default": 2,
"invite": 3,
"kick": 4,
"redact": 5,
"state_default": 6,
"users": {"@admin:domain": 100},
"users_default": 7,
"other_key": 8,
},
},
{
"type": "m.room.power_levels",
"event_id": "$test:domain",
"content": {
"ban": 1,
"events": {"m.room.name": 100},
"events_default": 2,
# Note that invite is not here.
"kick": 4,
"redact": 5,
"state_default": 6,
"users": {"@admin:domain": 100},
"users_default": 7,
},
"signatures": {},
"unsigned": {},
},
)
# After MSC2176, power levels events keep the invite key.
self.run_test(
{"type": "m.room.power_levels", "content": {"invite": 75}},
{
"type": "m.room.power_levels",
"content": {"invite": 75},
"signatures": {},
"unsigned": {},
},
room_version=RoomVersions.MSC2176,
)
def test_alias_event(self):
"""Alias events have special behavior up through room version 6."""
self.run_test(
{
"type": "m.room.aliases",
"event_id": "$test:domain",
"content": {"aliases": ["test"]},
},
{
"type": "m.room.aliases",
"event_id": "$test:domain",
"content": {"aliases": ["test"]},
"signatures": {},
"unsigned": {},
},
)
# After MSC2432, alias events have no special behavior.
self.run_test(
{"type": "m.room.aliases", "content": {"aliases": ["test"]}},
{
"type": "m.room.aliases",
"content": {},
"signatures": {},
"unsigned": {},
},
room_version=RoomVersions.V6,
)
def test_redacts(self):
"""Redaction events have no special behaviour until MSC2174/MSC2176."""
self.run_test(
{"type": "m.room.redaction", "content": {"redacts": "$test2:domain"}},
{
"type": "m.room.redaction",
"content": {},
"signatures": {},
"unsigned": {},
},
room_version=RoomVersions.V6,
)
# After MSC2174, redaction events keep the redacts content key.
self.run_test(
{"type": "m.room.redaction", "content": {"redacts": "$test2:domain"}},
{
"type": "m.room.redaction",
"content": {"redacts": "$test2:domain"},
"signatures": {},
"unsigned": {},
},
room_version=RoomVersions.MSC2176,
)
def test_join_rules(self):
"""Join rules events have changed behavior starting with MSC3083."""
self.run_test(
{
"type": "m.room.join_rules",
"event_id": "$test:domain",
"content": {
"join_rule": "invite",
"allow": [],
"other_key": "stripped",
},
},
{
"type": "m.room.join_rules",
"event_id": "$test:domain",
"content": {"join_rule": "invite"},
"signatures": {},
"unsigned": {},
},
)
# After MSC3083, the allow key is protected from redaction.
self.run_test(
{
"type": "m.room.join_rules",
"content": {
"join_rule": "invite",
"allow": [],
"other_key": "stripped",
},
},
{
"type": "m.room.join_rules",
"content": {
"join_rule": "invite",
"allow": [],
},
"signatures": {},
"unsigned": {},
},
room_version=RoomVersions.V8,
)
def test_member(self):
"""Member events have changed behavior starting with MSC3375."""
self.run_test(
{
"type": "m.room.member",
"event_id": "$test:domain",
"content": {
"membership": "join",
EventContentFields.AUTHORISING_USER: "@user:domain",
"other_key": "stripped",
},
},
{
"type": "m.room.member",
"event_id": "$test:domain",
"content": {"membership": "join"},
"signatures": {},
"unsigned": {},
},
)
# After MSC3375, the join_authorised_via_users_server key is protected
# from redaction.
self.run_test(
{
"type": "m.room.member",
"content": {
"membership": "join",
EventContentFields.AUTHORISING_USER: "@user:domain",
"other_key": "stripped",
},
},
{
"type": "m.room.member",
"content": {
"membership": "join",
EventContentFields.AUTHORISING_USER: "@user:domain",
},
"signatures": {},
"unsigned": {},
},
room_version=RoomVersions.V9,
)
class SerializeEventTestCase(unittest.TestCase):
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def serialize(self, ev, fields):
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return serialize_event(ev, 1479807801915, only_event_fields=fields)
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def test_event_fields_works_with_keys(self):
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self.assertEquals(
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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)
def test_event_fields_works_with_nested_keys(self):
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self.assertEquals(
self.serialize(
MockEvent(
sender="@alice:localhost",
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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)
def test_event_fields_works_with_dot_keys(self):
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self.assertEquals(
self.serialize(
MockEvent(
sender="@alice:localhost",
room_id="!foo:bar",
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content={"key.with.dots": {}},
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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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)
def test_event_fields_works_with_nested_dot_keys(self):
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self.assertEquals(
self.serialize(
MockEvent(
sender="@alice:localhost",
room_id="!foo:bar",
content={
"not_me": 1,
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"nested.dot.key": {"leaf.key": 42, "not_me_either": 1},
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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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)
def test_event_fields_nops_with_unknown_keys(self):
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self.assertEquals(
self.serialize(
MockEvent(
sender="@alice:localhost",
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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)
def test_event_fields_nops_with_non_dict_keys(self):
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self.assertEquals(
self.serialize(
MockEvent(
sender="@alice:localhost",
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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def test_event_fields_nops_with_array_keys(self):
self.assertEquals(
self.serialize(
MockEvent(
sender="@alice:localhost",
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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)
def test_event_fields_all_fields_if_empty(self):
self.assertEquals(
self.serialize(
MockEvent(
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type="foo",
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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"type": "foo",
"event_id": "test",
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"room_id": "!foo:bar",
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"content": {"foo": "bar"},
"unsigned": {},
},
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)
def test_event_fields_fail_if_fields_not_str(self):
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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):
def setUp(self) -> None:
self.test_content = {
"ban": 50,
"events": {"m.room.name": 100, "m.room.power_levels": 100},
"events_default": 0,
"invite": 50,
"kick": 50,
"notifications": {"room": 20},
"redact": 50,
"state_default": 50,
"users": {"@example:localhost": 100},
"users_default": 0,
}
def _test(self, input):
a = copy_power_levels_contents(input)
self.assertEqual(a["ban"], 50)
self.assertEqual(a["events"]["m.room.name"], 100)
# make sure that changing the copy changes the copy and not the orig
a["ban"] = 10
a["events"]["m.room.power_levels"] = 20
self.assertEqual(input["ban"], 50)
self.assertEqual(input["events"]["m.room.power_levels"], 100)
def test_unfrozen(self):
self._test(self.test_content)
def test_frozen(self):
input = freeze(self.test_content)
self._test(input)