mirror of
https://mau.dev/maunium/synapse.git
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b4ae3b0d44
This can cause a lot of extra load on servers with lots of appservice users. Introduced in #13078
441 lines
15 KiB
Python
441 lines
15 KiB
Python
# Copyright 2020 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Dict, Optional, Set, Tuple, Union
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import frozendict
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from twisted.test.proto_helpers import MemoryReactor
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import synapse.rest.admin
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from synapse.api.constants import EventTypes, Membership
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from synapse.api.room_versions import RoomVersions
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from synapse.appservice import ApplicationService
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from synapse.events import FrozenEvent
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from synapse.push import push_rule_evaluator
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from synapse.push.push_rule_evaluator import PushRuleEvaluatorForEvent
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from synapse.rest.client import login, register, room
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from synapse.server import HomeServer
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from synapse.storage.databases.main.appservice import _make_exclusive_regex
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from synapse.types import JsonDict
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from synapse.util import Clock
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from tests import unittest
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from tests.test_utils.event_injection import create_event, inject_member_event
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class PushRuleEvaluatorTestCase(unittest.TestCase):
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def _get_evaluator(
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self,
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content: JsonDict,
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relations: Optional[Dict[str, Set[Tuple[str, str]]]] = None,
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relations_match_enabled: bool = False,
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) -> PushRuleEvaluatorForEvent:
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event = FrozenEvent(
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{
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"event_id": "$event_id",
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"type": "m.room.history_visibility",
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"sender": "@user:test",
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"state_key": "",
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"room_id": "#room:test",
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"content": content,
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},
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RoomVersions.V1,
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)
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room_member_count = 0
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sender_power_level = 0
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power_levels: Dict[str, Union[int, Dict[str, int]]] = {}
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return PushRuleEvaluatorForEvent(
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event,
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room_member_count,
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sender_power_level,
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power_levels,
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relations or set(),
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relations_match_enabled,
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)
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def test_display_name(self) -> None:
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"""Check for a matching display name in the body of the event."""
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evaluator = self._get_evaluator({"body": "foo bar baz"})
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condition = {
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"kind": "contains_display_name",
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}
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# Blank names are skipped.
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self.assertFalse(evaluator.matches(condition, "@user:test", ""))
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# Check a display name that doesn't match.
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self.assertFalse(evaluator.matches(condition, "@user:test", "not found"))
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# Check a display name which matches.
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
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# A display name that matches, but not a full word does not result in a match.
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self.assertFalse(evaluator.matches(condition, "@user:test", "ba"))
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# A display name should not be interpreted as a regular expression.
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self.assertFalse(evaluator.matches(condition, "@user:test", "ba[rz]"))
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# A display name with spaces should work fine.
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo bar"))
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def _assert_matches(
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self, condition: JsonDict, content: JsonDict, msg: Optional[str] = None
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) -> None:
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evaluator = self._get_evaluator(content)
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self.assertTrue(evaluator.matches(condition, "@user:test", "display_name"), msg)
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def _assert_not_matches(
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self, condition: JsonDict, content: JsonDict, msg: Optional[str] = None
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) -> None:
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evaluator = self._get_evaluator(content)
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self.assertFalse(
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evaluator.matches(condition, "@user:test", "display_name"), msg
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)
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def test_event_match_body(self) -> None:
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"""Check that event_match conditions on content.body work as expected"""
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# if the key is `content.body`, the pattern matches substrings.
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# non-wildcards should match
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condition = {
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"kind": "event_match",
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"key": "content.body",
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"pattern": "foobaz",
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}
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self._assert_matches(
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condition,
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{"body": "aaa FoobaZ zzz"},
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"patterns should match and be case-insensitive",
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)
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self._assert_not_matches(
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condition,
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{"body": "aa xFoobaZ yy"},
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"pattern should only match at word boundaries",
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)
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self._assert_not_matches(
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condition,
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{"body": "aa foobazx yy"},
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"pattern should only match at word boundaries",
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)
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# wildcards should match
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condition = {
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"kind": "event_match",
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"key": "content.body",
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"pattern": "f?o*baz",
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}
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self._assert_matches(
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condition,
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{"body": "aaa FoobarbaZ zzz"},
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"* should match string and pattern should be case-insensitive",
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)
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self._assert_matches(
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condition, {"body": "aa foobaz yy"}, "* should match 0 characters"
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)
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self._assert_not_matches(
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condition, {"body": "aa fobbaz yy"}, "? should not match 0 characters"
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)
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self._assert_not_matches(
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condition, {"body": "aa fiiobaz yy"}, "? should not match 2 characters"
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)
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self._assert_not_matches(
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condition,
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{"body": "aa xfooxbaz yy"},
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"pattern should only match at word boundaries",
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)
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self._assert_not_matches(
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condition,
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{"body": "aa fooxbazx yy"},
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"pattern should only match at word boundaries",
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)
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# test backslashes
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condition = {
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"kind": "event_match",
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"key": "content.body",
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"pattern": r"f\oobaz",
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}
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self._assert_matches(
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condition,
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{"body": r"F\oobaz"},
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"backslash should match itself",
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)
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condition = {
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"kind": "event_match",
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"key": "content.body",
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"pattern": r"f\?obaz",
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}
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self._assert_matches(
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condition,
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{"body": r"F\oobaz"},
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r"? after \ should match any character",
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)
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def test_event_match_non_body(self) -> None:
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"""Check that event_match conditions on other keys work as expected"""
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# if the key is anything other than 'content.body', the pattern must match the
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# whole value.
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# non-wildcards should match
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condition = {
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"kind": "event_match",
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"key": "content.value",
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"pattern": "foobaz",
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}
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self._assert_matches(
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condition,
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{"value": "FoobaZ"},
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"patterns should match and be case-insensitive",
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)
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self._assert_not_matches(
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condition,
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{"value": "xFoobaZ"},
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"pattern should only match at the start/end of the value",
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)
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self._assert_not_matches(
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condition,
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{"value": "FoobaZz"},
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"pattern should only match at the start/end of the value",
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)
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# it should work on frozendicts too
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self._assert_matches(
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condition,
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frozendict.frozendict({"value": "FoobaZ"}),
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"patterns should match on frozendicts",
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)
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# wildcards should match
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condition = {
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"kind": "event_match",
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"key": "content.value",
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"pattern": "f?o*baz",
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}
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self._assert_matches(
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condition,
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{"value": "FoobarbaZ"},
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"* should match string and pattern should be case-insensitive",
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)
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self._assert_matches(
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condition, {"value": "foobaz"}, "* should match 0 characters"
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)
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self._assert_not_matches(
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condition, {"value": "fobbaz"}, "? should not match 0 characters"
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)
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self._assert_not_matches(
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condition, {"value": "fiiobaz"}, "? should not match 2 characters"
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)
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self._assert_not_matches(
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condition,
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{"value": "xfooxbaz"},
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"pattern should only match at the start/end of the value",
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)
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self._assert_not_matches(
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condition,
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{"value": "fooxbazx"},
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"pattern should only match at the start/end of the value",
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)
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self._assert_not_matches(
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condition,
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{"value": "x\nfooxbaz"},
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"pattern should not match after a newline",
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)
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self._assert_not_matches(
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condition,
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{"value": "fooxbaz\nx"},
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"pattern should not match before a newline",
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)
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def test_no_body(self) -> None:
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"""Not having a body shouldn't break the evaluator."""
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evaluator = self._get_evaluator({})
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condition = {
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"kind": "contains_display_name",
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}
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self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
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def test_invalid_body(self) -> None:
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"""A non-string body should not break the evaluator."""
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condition = {
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"kind": "contains_display_name",
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}
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for body in (1, True, {"foo": "bar"}):
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evaluator = self._get_evaluator({"body": body})
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self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
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def test_tweaks_for_actions(self) -> None:
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"""
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This tests the behaviour of tweaks_for_actions.
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"""
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actions = [
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{"set_tweak": "sound", "value": "default"},
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{"set_tweak": "highlight"},
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"notify",
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]
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self.assertEqual(
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push_rule_evaluator.tweaks_for_actions(actions),
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{"sound": "default", "highlight": True},
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)
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def test_relation_match(self) -> None:
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"""Test the relation_match push rule kind."""
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# Check if the experimental feature is disabled.
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evaluator = self._get_evaluator(
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{}, {"m.annotation": {("@user:test", "m.reaction")}}
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)
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condition = {"kind": "relation_match"}
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# Oddly, an unknown condition always matches.
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
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# A push rule evaluator with the experimental rule enabled.
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evaluator = self._get_evaluator(
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{}, {"m.annotation": {("@user:test", "m.reaction")}}, True
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)
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# Check just relation type.
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condition = {
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"kind": "org.matrix.msc3772.relation_match",
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"rel_type": "m.annotation",
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}
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
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# Check relation type and sender.
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condition = {
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"kind": "org.matrix.msc3772.relation_match",
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"rel_type": "m.annotation",
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"sender": "@user:test",
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}
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
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condition = {
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"kind": "org.matrix.msc3772.relation_match",
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"rel_type": "m.annotation",
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"sender": "@other:test",
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}
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self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
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# Check relation type and event type.
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condition = {
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"kind": "org.matrix.msc3772.relation_match",
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"rel_type": "m.annotation",
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"type": "m.reaction",
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}
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
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# Check just sender, this fails since rel_type is required.
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condition = {
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"kind": "org.matrix.msc3772.relation_match",
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"sender": "@user:test",
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}
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self.assertFalse(evaluator.matches(condition, "@user:test", "foo"))
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# Check sender glob.
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condition = {
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"kind": "org.matrix.msc3772.relation_match",
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"rel_type": "m.annotation",
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"sender": "@*:test",
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}
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
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# Check event type glob.
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condition = {
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"kind": "org.matrix.msc3772.relation_match",
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"rel_type": "m.annotation",
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"event_type": "*.reaction",
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}
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self.assertTrue(evaluator.matches(condition, "@user:test", "foo"))
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class TestBulkPushRuleEvaluator(unittest.HomeserverTestCase):
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"""Tests for the bulk push rule evaluator"""
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servlets = [
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synapse.rest.admin.register_servlets_for_client_rest_resource,
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login.register_servlets,
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register.register_servlets,
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room.register_servlets,
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]
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def prepare(self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer):
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# Define an application service so that we can register appservice users
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self._service_token = "some_token"
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self._service = ApplicationService(
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self._service_token,
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"as1",
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"@as.sender:test",
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namespaces={
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"users": [
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{"regex": "@_as_.*:test", "exclusive": True},
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{"regex": "@as.sender:test", "exclusive": True},
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]
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},
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msc3202_transaction_extensions=True,
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)
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self.hs.get_datastores().main.services_cache = [self._service]
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self.hs.get_datastores().main.exclusive_user_regex = _make_exclusive_regex(
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[self._service]
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)
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self._as_user, _ = self.register_appservice_user(
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"_as_user", self._service_token
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)
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self.evaluator = self.hs.get_bulk_push_rule_evaluator()
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def test_ignore_appservice_users(self) -> None:
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"Test that we don't generate push for appservice users"
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user_id = self.register_user("user", "pass")
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token = self.login("user", "pass")
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room_id = self.helper.create_room_as(user_id, tok=token)
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self.get_success(
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inject_member_event(self.hs, room_id, self._as_user, Membership.JOIN)
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)
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event, context = self.get_success(
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create_event(
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self.hs,
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type=EventTypes.Message,
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room_id=room_id,
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sender=user_id,
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content={"body": "test", "msgtype": "m.text"},
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)
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)
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# Assert the returned push rules do not contain the app service user
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rules = self.get_success(self.evaluator._get_rules_for_event(event))
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self.assertTrue(self._as_user not in rules)
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# Assert that no push actions have been added to the staging table (the
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# sender should not be pushed for the event)
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users_with_push_actions = self.get_success(
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self.hs.get_datastores().main.db_pool.simple_select_onecol(
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table="event_push_actions_staging",
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keyvalues={"event_id": event.event_id},
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retcol="user_id",
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desc="test_ignore_appservice_users",
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)
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)
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self.assertEqual(len(users_with_push_actions), 0)
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