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synapse/tests/push/test_push_rule_evaluator.py
Erik Johnston b4ae3b0d44
Don't include appservice users when calculating push rules (#13332)
This can cause a lot of extra load on servers with lots of appservice users. Introduced in #13078
2022-07-20 12:06:13 +01:00

441 lines
15 KiB
Python

# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# 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 typing import Dict, Optional, Set, Tuple, Union
import frozendict
from twisted.test.proto_helpers import MemoryReactor
import synapse.rest.admin
from synapse.api.constants import EventTypes, Membership
from synapse.api.room_versions import RoomVersions
from synapse.appservice import ApplicationService
from synapse.events import FrozenEvent
from synapse.push import push_rule_evaluator
from synapse.push.push_rule_evaluator import PushRuleEvaluatorForEvent
from synapse.rest.client import login, register, room
from synapse.server import HomeServer
from synapse.storage.databases.main.appservice import _make_exclusive_regex
from synapse.types import JsonDict
from synapse.util import Clock
from tests import unittest
from tests.test_utils.event_injection import create_event, inject_member_event
class PushRuleEvaluatorTestCase(unittest.TestCase):
def _get_evaluator(
self,
content: JsonDict,
relations: Optional[Dict[str, Set[Tuple[str, str]]]] = None,
relations_match_enabled: bool = False,
) -> PushRuleEvaluatorForEvent:
event = FrozenEvent(
{
"event_id": "$event_id",
"type": "m.room.history_visibility",
"sender": "@user:test",
"state_key": "",
"room_id": "#room:test",
"content": content,
},
RoomVersions.V1,
)
room_member_count = 0
sender_power_level = 0
power_levels: Dict[str, Union[int, Dict[str, int]]] = {}
return PushRuleEvaluatorForEvent(
event,
room_member_count,
sender_power_level,
power_levels,
relations or set(),
relations_match_enabled,
)
def test_display_name(self) -> None:
"""Check for a matching display name in the body of the event."""
evaluator = self._get_evaluator({"body": "foo bar baz"})
condition = {
"kind": "contains_display_name",
}
# Blank names are skipped.
self.assertFalse(evaluator.matches(condition, "@user:test", ""))
# Check a display name that doesn't match.
self.assertFalse(evaluator.matches(condition, "@user:test", "not found"))
# Check a display name which matches.
self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
# A display name that matches, but not a full word does not result in a match.
self.assertFalse(evaluator.matches(condition, "@user:test", "ba"))
# A display name should not be interpreted as a regular expression.
self.assertFalse(evaluator.matches(condition, "@user:test", "ba[rz]"))
# A display name with spaces should work fine.
self.assertTrue(evaluator.matches(condition, "@user:test", "foo bar"))
def _assert_matches(
self, condition: JsonDict, content: JsonDict, msg: Optional[str] = None
) -> None:
evaluator = self._get_evaluator(content)
self.assertTrue(evaluator.matches(condition, "@user:test", "display_name"), msg)
def _assert_not_matches(
self, condition: JsonDict, content: JsonDict, msg: Optional[str] = None
) -> None:
evaluator = self._get_evaluator(content)
self.assertFalse(
evaluator.matches(condition, "@user:test", "display_name"), msg
)
def test_event_match_body(self) -> None:
"""Check that event_match conditions on content.body work as expected"""
# if the key is `content.body`, the pattern matches substrings.
# non-wildcards should match
condition = {
"kind": "event_match",
"key": "content.body",
"pattern": "foobaz",
}
self._assert_matches(
condition,
{"body": "aaa FoobaZ zzz"},
"patterns should match and be case-insensitive",
)
self._assert_not_matches(
condition,
{"body": "aa xFoobaZ yy"},
"pattern should only match at word boundaries",
)
self._assert_not_matches(
condition,
{"body": "aa foobazx yy"},
"pattern should only match at word boundaries",
)
# wildcards should match
condition = {
"kind": "event_match",
"key": "content.body",
"pattern": "f?o*baz",
}
self._assert_matches(
condition,
{"body": "aaa FoobarbaZ zzz"},
"* should match string and pattern should be case-insensitive",
)
self._assert_matches(
condition, {"body": "aa foobaz yy"}, "* should match 0 characters"
)
self._assert_not_matches(
condition, {"body": "aa fobbaz yy"}, "? should not match 0 characters"
)
self._assert_not_matches(
condition, {"body": "aa fiiobaz yy"}, "? should not match 2 characters"
)
self._assert_not_matches(
condition,
{"body": "aa xfooxbaz yy"},
"pattern should only match at word boundaries",
)
self._assert_not_matches(
condition,
{"body": "aa fooxbazx yy"},
"pattern should only match at word boundaries",
)
# test backslashes
condition = {
"kind": "event_match",
"key": "content.body",
"pattern": r"f\oobaz",
}
self._assert_matches(
condition,
{"body": r"F\oobaz"},
"backslash should match itself",
)
condition = {
"kind": "event_match",
"key": "content.body",
"pattern": r"f\?obaz",
}
self._assert_matches(
condition,
{"body": r"F\oobaz"},
r"? after \ should match any character",
)
def test_event_match_non_body(self) -> None:
"""Check that event_match conditions on other keys work as expected"""
# if the key is anything other than 'content.body', the pattern must match the
# whole value.
# non-wildcards should match
condition = {
"kind": "event_match",
"key": "content.value",
"pattern": "foobaz",
}
self._assert_matches(
condition,
{"value": "FoobaZ"},
"patterns should match and be case-insensitive",
)
self._assert_not_matches(
condition,
{"value": "xFoobaZ"},
"pattern should only match at the start/end of the value",
)
self._assert_not_matches(
condition,
{"value": "FoobaZz"},
"pattern should only match at the start/end of the value",
)
# it should work on frozendicts too
self._assert_matches(
condition,
frozendict.frozendict({"value": "FoobaZ"}),
"patterns should match on frozendicts",
)
# wildcards should match
condition = {
"kind": "event_match",
"key": "content.value",
"pattern": "f?o*baz",
}
self._assert_matches(
condition,
{"value": "FoobarbaZ"},
"* should match string and pattern should be case-insensitive",
)
self._assert_matches(
condition, {"value": "foobaz"}, "* should match 0 characters"
)
self._assert_not_matches(
condition, {"value": "fobbaz"}, "? should not match 0 characters"
)
self._assert_not_matches(
condition, {"value": "fiiobaz"}, "? should not match 2 characters"
)
self._assert_not_matches(
condition,
{"value": "xfooxbaz"},
"pattern should only match at the start/end of the value",
)
self._assert_not_matches(
condition,
{"value": "fooxbazx"},
"pattern should only match at the start/end of the value",
)
self._assert_not_matches(
condition,
{"value": "x\nfooxbaz"},
"pattern should not match after a newline",
)
self._assert_not_matches(
condition,
{"value": "fooxbaz\nx"},
"pattern should not match before a newline",
)
def test_no_body(self) -> None:
"""Not having a body shouldn't break the evaluator."""
evaluator = self._get_evaluator({})
condition = {
"kind": "contains_display_name",
}
self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
def test_invalid_body(self) -> None:
"""A non-string body should not break the evaluator."""
condition = {
"kind": "contains_display_name",
}
for body in (1, True, {"foo": "bar"}):
evaluator = self._get_evaluator({"body": body})
self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
def test_tweaks_for_actions(self) -> None:
"""
This tests the behaviour of tweaks_for_actions.
"""
actions = [
{"set_tweak": "sound", "value": "default"},
{"set_tweak": "highlight"},
"notify",
]
self.assertEqual(
push_rule_evaluator.tweaks_for_actions(actions),
{"sound": "default", "highlight": True},
)
def test_relation_match(self) -> None:
"""Test the relation_match push rule kind."""
# Check if the experimental feature is disabled.
evaluator = self._get_evaluator(
{}, {"m.annotation": {("@user:test", "m.reaction")}}
)
condition = {"kind": "relation_match"}
# Oddly, an unknown condition always matches.
self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
# A push rule evaluator with the experimental rule enabled.
evaluator = self._get_evaluator(
{}, {"m.annotation": {("@user:test", "m.reaction")}}, True
)
# Check just relation type.
condition = {
"kind": "org.matrix.msc3772.relation_match",
"rel_type": "m.annotation",
}
self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
# Check relation type and sender.
condition = {
"kind": "org.matrix.msc3772.relation_match",
"rel_type": "m.annotation",
"sender": "@user:test",
}
self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
condition = {
"kind": "org.matrix.msc3772.relation_match",
"rel_type": "m.annotation",
"sender": "@other:test",
}
self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
# Check relation type and event type.
condition = {
"kind": "org.matrix.msc3772.relation_match",
"rel_type": "m.annotation",
"type": "m.reaction",
}
self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
# Check just sender, this fails since rel_type is required.
condition = {
"kind": "org.matrix.msc3772.relation_match",
"sender": "@user:test",
}
self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
# Check sender glob.
condition = {
"kind": "org.matrix.msc3772.relation_match",
"rel_type": "m.annotation",
"sender": "@*:test",
}
self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
# Check event type glob.
condition = {
"kind": "org.matrix.msc3772.relation_match",
"rel_type": "m.annotation",
"event_type": "*.reaction",
}
self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
class TestBulkPushRuleEvaluator(unittest.HomeserverTestCase):
"""Tests for the bulk push rule evaluator"""
servlets = [
synapse.rest.admin.register_servlets_for_client_rest_resource,
login.register_servlets,
register.register_servlets,
room.register_servlets,
]
def prepare(self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer):
# Define an application service so that we can register appservice users
self._service_token = "some_token"
self._service = ApplicationService(
self._service_token,
"as1",
"@as.sender:test",
namespaces={
"users": [
{"regex": "@_as_.*:test", "exclusive": True},
{"regex": "@as.sender:test", "exclusive": True},
]
},
msc3202_transaction_extensions=True,
)
self.hs.get_datastores().main.services_cache = [self._service]
self.hs.get_datastores().main.exclusive_user_regex = _make_exclusive_regex(
[self._service]
)
self._as_user, _ = self.register_appservice_user(
"_as_user", self._service_token
)
self.evaluator = self.hs.get_bulk_push_rule_evaluator()
def test_ignore_appservice_users(self) -> None:
"Test that we don't generate push for appservice users"
user_id = self.register_user("user", "pass")
token = self.login("user", "pass")
room_id = self.helper.create_room_as(user_id, tok=token)
self.get_success(
inject_member_event(self.hs, room_id, self._as_user, Membership.JOIN)
)
event, context = self.get_success(
create_event(
self.hs,
type=EventTypes.Message,
room_id=room_id,
sender=user_id,
content={"body": "test", "msgtype": "m.text"},
)
)
# Assert the returned push rules do not contain the app service user
rules = self.get_success(self.evaluator._get_rules_for_event(event))
self.assertTrue(self._as_user not in rules)
# Assert that no push actions have been added to the staging table (the
# sender should not be pushed for the event)
users_with_push_actions = self.get_success(
self.hs.get_datastores().main.db_pool.simple_select_onecol(
table="event_push_actions_staging",
keyvalues={"event_id": event.event_id},
retcol="user_id",
desc="test_ignore_appservice_users",
)
)
self.assertEqual(len(users_with_push_actions), 0)