MirrorHub/synapse
0
0
Fork 1
mirror of https://mau.dev/maunium/synapse.git synced 2024-12-14 01:53:45 +01:00
Code Issues Projects Releases Wiki Activity

Move ThirdPartyEventRules into module_api/callbacks (#15535)

Browse source
This commit is contained in:
Andrew Morgan 2023-05-04 15:18:22 +01:00 committed by GitHub
parent ded8f3d349
commit 2e59e97ebd
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
19 changed files with 92 additions and 68 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
changelog.d/15535.misc Normal file
View file

@ -0,0 +1 @@
Move various module API callback registration methods to a dedicated class.

4
synapse/app/_base.py
View file

@ -64,7 +64,6 @@ from synapse.config.homeserver import HomeServerConfig
from synapse.config.server import ListenerConfig, ManholeConfig, TCPListenerConfig
from synapse.crypto import context_factory
from synapse.events.presence_router import load_legacy_presence_router
from synapse.events.third_party_rules import load_legacy_third_party_event_rules
from synapse.handlers.auth import load_legacy_password_auth_providers
from synapse.http.site import SynapseSite
from synapse.logging.context import PreserveLoggingContext
@ -73,6 +72,9 @@ from synapse.metrics import install_gc_manager, register_threadpool
from synapse.metrics.background_process_metrics import wrap_as_background_process
from synapse.metrics.jemalloc import setup_jemalloc_stats
from synapse.module_api.callbacks.spamchecker_callbacks import load_legacy_spam_checkers
from synapse.module_api.callbacks.third_party_event_rules_callbacks import (
load_legacy_third_party_event_rules,
)
from synapse.types import ISynapseReactor
from synapse.util import SYNAPSE_VERSION
from synapse.util.caches.lrucache import setup_expire_lru_cache_entries

2
synapse/handlers/auth.py
View file

@ -212,7 +212,7 @@ class AuthHandler:
self._password_enabled_for_login = hs.config.auth.password_enabled_for_login
self._password_enabled_for_reauth = hs.config.auth.password_enabled_for_reauth
self._password_localdb_enabled = hs.config.auth.password_localdb_enabled
self._third_party_rules = hs.get_third_party_event_rules()
self._third_party_rules = hs.get_module_api_callbacks().third_party_event_rules
# Ratelimiter for failed auth during UIA. Uses same ratelimit config
# as per `rc_login.failed_attempts`.

4
synapse/handlers/deactivate_account.py
View file

@ -39,11 +39,11 @@ class DeactivateAccountHandler:
self._profile_handler = hs.get_profile_handler()
self.user_directory_handler = hs.get_user_directory_handler()
self._server_name = hs.hostname
self._third_party_rules = hs.get_third_party_event_rules()
self._third_party_rules = hs.get_module_api_callbacks().third_party_event_rules
# Flag that indicates whether the process to part users from rooms is running
self._user_parter_running = False
self._third_party_rules = hs.get_third_party_event_rules()
self._third_party_rules = hs.get_module_api_callbacks().third_party_event_rules
# Start the user parter loop so it can resume parting users from rooms where
# it left off (if it has work left to do).

6
synapse/handlers/directory.py
View file

@ -52,7 +52,9 @@ class DirectoryHandler:
self.config = hs.config
self.enable_room_list_search = hs.config.roomdirectory.enable_room_list_search
self.require_membership = hs.config.server.require_membership_for_aliases
self.third_party_event_rules = hs.get_third_party_event_rules()
self._third_party_event_rules = (
hs.get_module_api_callbacks().third_party_event_rules
)
self.server_name = hs.hostname
self.federation = hs.get_federation_client()
@ -503,7 +505,7 @@ class DirectoryHandler:
# Check if publishing is blocked by a third party module
allowed_by_third_party_rules = (
await (
self.third_party_event_rules.check_visibility_can_be_modified(
self._third_party_event_rules.check_visibility_can_be_modified(
room_id, visibility
)
)

6
synapse/handlers/federation.py
View file

@ -169,7 +169,9 @@ class FederationHandler:
self._room_backfill = Linearizer("room_backfill")
self.third_party_event_rules = hs.get_third_party_event_rules()
self._third_party_event_rules = (
hs.get_module_api_callbacks().third_party_event_rules
)
# Tracks running partial state syncs by room ID.
# Partial state syncs currently only run on the main process, so it's okay to
@ -1253,7 +1255,7 @@ class FederationHandler:
unpersisted_context,
) = await self.event_creation_handler.create_new_client_event(builder=builder)
event_allowed, _ = await self.third_party_event_rules.check_event_allowed(
event_allowed, _ = await self._third_party_event_rules.check_event_allowed(
event, unpersisted_context
)
if not event_allowed:

4
synapse/handlers/federation_event.py
View file

@ -157,7 +157,9 @@ class FederationEventHandler:
self._get_room_member_handler = hs.get_room_member_handler
self._federation_client = hs.get_federation_client()
self._third_party_event_rules = hs.get_third_party_event_rules()
self._third_party_event_rules = (
hs.get_module_api_callbacks().third_party_event_rules
)
self._notifier = hs.get_notifier()
self._is_mine_id = hs.is_mine_id

7
synapse/handlers/message.py
View file

@ -77,7 +77,6 @@ from synapse.util.metrics import measure_func
from synapse.visibility import get_effective_room_visibility_from_state
if TYPE_CHECKING:
from synapse.events.third_party_rules import ThirdPartyEventRules
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
@ -509,8 +508,8 @@ class EventCreationHandler:
self._bulk_push_rule_evaluator = hs.get_bulk_push_rule_evaluator()
self._spam_checker_module_callbacks = hs.get_module_api_callbacks().spam_checker
self.third_party_event_rules: "ThirdPartyEventRules" = (
self.hs.get_third_party_event_rules()
self._third_party_event_rules = (
self.hs.get_module_api_callbacks().third_party_event_rules
)
self._block_events_without_consent_error = (
@ -1314,7 +1313,7 @@ class EventCreationHandler:
if requester:
context.app_service = requester.app_service
res, new_content = await self.third_party_event_rules.check_event_allowed(
res, new_content = await self._third_party_event_rules.check_event_allowed(
event, context
)
if res is False:

2
synapse/handlers/profile.py
View file

@ -61,7 +61,7 @@ class ProfileHandler:
self.server_name = hs.config.server.server_name
self._third_party_rules = hs.get_third_party_event_rules()
self._third_party_rules = hs.get_module_api_callbacks().third_party_event_rules
async def get_profile(self, user_id: str, ignore_backoff: bool = True) -> JsonDict:
target_user = UserID.from_string(user_id)

10
synapse/handlers/room.py
View file

@ -160,7 +160,9 @@ class RoomCreationHandler:
)
self._server_notices_mxid = hs.config.servernotices.server_notices_mxid
self.third_party_event_rules = hs.get_third_party_event_rules()
self._third_party_event_rules = (
hs.get_module_api_callbacks().third_party_event_rules
)
async def upgrade_room(
self, requester: Requester, old_room_id: str, new_version: RoomVersion
@ -742,7 +744,7 @@ class RoomCreationHandler:
# Let the third party rules modify the room creation config if needed, or abort
# the room creation entirely with an exception.
await self.third_party_event_rules.on_create_room(
await self._third_party_event_rules.on_create_room(
requester, config, is_requester_admin=is_requester_admin
)
@ -879,7 +881,7 @@ class RoomCreationHandler:
# Check whether this visibility value is blocked by a third party module
allowed_by_third_party_rules = (
await (
self.third_party_event_rules.check_visibility_can_be_modified(
self._third_party_event_rules.check_visibility_can_be_modified(
room_id, visibility
)
)
@ -1731,7 +1733,7 @@ class RoomShutdownHandler:
self.room_member_handler = hs.get_room_member_handler()
self._room_creation_handler = hs.get_room_creation_handler()
self._replication = hs.get_replication_data_handler()
self._third_party_rules = hs.get_third_party_event_rules()
self._third_party_rules = hs.get_module_api_callbacks().third_party_event_rules
self.event_creation_handler = hs.get_event_creation_handler()
self.store = hs.get_datastores().main

6
synapse/handlers/room_member.py
View file

@ -100,7 +100,9 @@ class RoomMemberHandler(metaclass=abc.ABCMeta):
self.clock = hs.get_clock()
self._spam_checker_module_callbacks = hs.get_module_api_callbacks().spam_checker
self.third_party_event_rules = hs.get_third_party_event_rules()
self._third_party_event_rules = (
hs.get_module_api_callbacks().third_party_event_rules
)
self._server_notices_mxid = self.config.servernotices.server_notices_mxid
self._enable_lookup = hs.config.registration.enable_3pid_lookup
self.allow_per_room_profiles = self.config.server.allow_per_room_profiles
@ -1560,7 +1562,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta):
# can't just rely on the standard ratelimiting of events.
await self._third_party_invite_limiter.ratelimit(requester)
can_invite = await self.third_party_event_rules.check_threepid_can_be_invited(
can_invite = await self._third_party_event_rules.check_threepid_can_be_invited(
medium, address, room_id
)
if not can_invite:

31
synapse/module_api/__init__.py
View file

@ -44,20 +44,6 @@ from synapse.events.presence_router import (
GET_USERS_FOR_STATES_CALLBACK,
PresenceRouter,
)
from synapse.events.third_party_rules import (
CHECK_CAN_DEACTIVATE_USER_CALLBACK,
CHECK_CAN_SHUTDOWN_ROOM_CALLBACK,
CHECK_EVENT_ALLOWED_CALLBACK,
CHECK_THREEPID_CAN_BE_INVITED_CALLBACK,
CHECK_VISIBILITY_CAN_BE_MODIFIED_CALLBACK,
ON_ADD_USER_THIRD_PARTY_IDENTIFIER_CALLBACK,
ON_CREATE_ROOM_CALLBACK,
ON_NEW_EVENT_CALLBACK,
ON_PROFILE_UPDATE_CALLBACK,
ON_REMOVE_USER_THIRD_PARTY_IDENTIFIER_CALLBACK,
ON_THREEPID_BIND_CALLBACK,
ON_USER_DEACTIVATION_STATUS_CHANGED_CALLBACK,
)
from synapse.handlers.account_data import ON_ACCOUNT_DATA_UPDATED_CALLBACK
from synapse.handlers.auth import (
CHECK_3PID_AUTH_CALLBACK,
@ -105,6 +91,20 @@ from synapse.module_api.callbacks.spamchecker_callbacks import (
USER_MAY_SEND_3PID_INVITE_CALLBACK,
SpamCheckerModuleApiCallbacks,
)
from synapse.module_api.callbacks.third_party_event_rules_callbacks import (
CHECK_CAN_DEACTIVATE_USER_CALLBACK,
CHECK_CAN_SHUTDOWN_ROOM_CALLBACK,
CHECK_EVENT_ALLOWED_CALLBACK,
CHECK_THREEPID_CAN_BE_INVITED_CALLBACK,
CHECK_VISIBILITY_CAN_BE_MODIFIED_CALLBACK,
ON_ADD_USER_THIRD_PARTY_IDENTIFIER_CALLBACK,
ON_CREATE_ROOM_CALLBACK,
ON_NEW_EVENT_CALLBACK,
ON_PROFILE_UPDATE_CALLBACK,
ON_REMOVE_USER_THIRD_PARTY_IDENTIFIER_CALLBACK,
ON_THREEPID_BIND_CALLBACK,
ON_USER_DEACTIVATION_STATUS_CHANGED_CALLBACK,
)
from synapse.push.httppusher import HttpPusher
from synapse.rest.client.login import LoginResponse
from synapse.storage import DataStore
@ -273,7 +273,6 @@ class ModuleApi:
self._public_room_list_manager = PublicRoomListManager(hs)
self._account_data_manager = AccountDataManager(hs)
self._third_party_event_rules = hs.get_third_party_event_rules()
self._password_auth_provider = hs.get_password_auth_provider()
self._presence_router = hs.get_presence_router()
self._account_data_handler = hs.get_account_data_handler()
@ -371,7 +370,7 @@ class ModuleApi:
Added in Synapse v1.39.0.
"""
return self._third_party_event_rules.register_third_party_rules_callbacks(
return self._callbacks.third_party_event_rules.register_third_party_rules_callbacks(
check_event_allowed=check_event_allowed,
on_create_room=on_create_room,
check_threepid_can_be_invited=check_threepid_can_be_invited,

4
synapse/module_api/callbacks/__init__.py
View file

@ -23,9 +23,13 @@ from synapse.module_api.callbacks.account_validity_callbacks import (
from synapse.module_api.callbacks.spamchecker_callbacks import (
SpamCheckerModuleApiCallbacks,
)
from synapse.module_api.callbacks.third_party_event_rules_callbacks import (
ThirdPartyEventRulesModuleApiCallbacks,
)
class ModuleApiCallbacks:
def __init__(self, hs: "HomeServer") -> None:
self.account_validity = AccountValidityModuleApiCallbacks()
self.spam_checker = SpamCheckerModuleApiCallbacks(hs)
self.third_party_event_rules = ThirdPartyEventRulesModuleApiCallbacks(hs)

4
synapse/events/third_party_rules.py → synapse/module_api/callbacks/third_party_event_rules_callbacks.py
View file

@ -140,7 +140,7 @@ def load_legacy_third_party_event_rules(hs: "HomeServer") -> None:
api.register_third_party_rules_callbacks(**hooks)
class ThirdPartyEventRules:
class ThirdPartyEventRulesModuleApiCallbacks:
"""Allows server admins to provide a Python module implementing an extra
set of rules to apply when processing events.
@ -149,8 +149,6 @@ class ThirdPartyEventRules:
"""
def __init__(self, hs: "HomeServer"):
self.third_party_rules = None
self.store = hs.get_datastores().main
self._storage_controllers = hs.get_storage_controllers()

2
synapse/notifier.py
View file

@ -232,7 +232,7 @@ class Notifier:
self._federation_client = hs.get_federation_http_client()
self._third_party_rules = hs.get_third_party_event_rules()
self._third_party_rules = hs.get_module_api_callbacks().third_party_event_rules
self.clock = hs.get_clock()
self.appservice_handler = hs.get_application_service_handler()

2
synapse/rest/admin/rooms.py
View file

@ -70,7 +70,7 @@ class RoomRestV2Servlet(RestServlet):
self._auth = hs.get_auth()
self._store = hs.get_datastores().main
self._pagination_handler = hs.get_pagination_handler()
self._third_party_rules = hs.get_third_party_event_rules()
self._third_party_rules = hs.get_module_api_callbacks().third_party_event_rules
async def on_DELETE(
self, request: SynapseRequest, room_id: str

5
synapse/server.py
View file

@ -42,7 +42,6 @@ from synapse.crypto.context_factory import RegularPolicyForHTTPS
from synapse.crypto.keyring import Keyring
from synapse.events.builder import EventBuilderFactory
from synapse.events.presence_router import PresenceRouter
from synapse.events.third_party_rules import ThirdPartyEventRules
from synapse.events.utils import EventClientSerializer
from synapse.federation.federation_client import FederationClient
from synapse.federation.federation_server import (
@ -691,10 +690,6 @@ class HomeServer(metaclass=abc.ABCMeta):
def get_stats_handler(self) -> StatsHandler:
return StatsHandler(self)
@cache_in_self
def get_third_party_event_rules(self) -> ThirdPartyEventRules:
return ThirdPartyEventRules(self)
@cache_in_self
def get_password_auth_provider(self) -> PasswordAuthProvider:
return PasswordAuthProvider()

56
tests/rest/client/test_third_party_rules.py
View file

@ -22,7 +22,9 @@ from synapse.api.errors import SynapseError
from synapse.api.room_versions import RoomVersion
from synapse.config.homeserver import HomeServerConfig
from synapse.events import EventBase
from synapse.events.third_party_rules import load_legacy_third_party_event_rules
from synapse.module_api.callbacks.third_party_event_rules_callbacks import (
load_legacy_third_party_event_rules,
)
from synapse.rest import admin
from synapse.rest.client import account, login, profile, room
from synapse.server import HomeServer
@ -146,7 +148,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
return ev.type != "foo.bar.forbidden", None
callback = Mock(spec=[], side_effect=check)
self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [
self.hs.get_module_api_callbacks().third_party_event_rules._check_event_allowed_callbacks = [
callback
]
@ -202,7 +204,9 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
) -> Tuple[bool, Optional[JsonDict]]:
raise NastyHackException(429, "message")
self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [check]
self.hs.get_module_api_callbacks().third_party_event_rules._check_event_allowed_callbacks = [
check
]
# Make a request
channel = self.make_request(
@ -229,7 +233,9 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
ev.content = {"x": "y"}
return True, None
self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [check]
self.hs.get_module_api_callbacks().third_party_event_rules._check_event_allowed_callbacks = [
check
]
# now send the event
channel = self.make_request(
@ -253,7 +259,9 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
d["content"] = {"x": "y"}
return True, d
self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [check]
self.hs.get_module_api_callbacks().third_party_event_rules._check_event_allowed_callbacks = [
check
]
# now send the event
channel = self.make_request(
@ -289,7 +297,9 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
}
return True, d
self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [check]
self.hs.get_module_api_callbacks().third_party_event_rules._check_event_allowed_callbacks = [
check
]
# Send an event, then edit it.
channel = self.make_request(
@ -440,7 +450,9 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
)
return True, None
self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [test_fn]
self.hs.get_module_api_callbacks().third_party_event_rules._check_event_allowed_callbacks = [
test_fn
]
# Sometimes the bug might not happen the first time the event type is added
# to the state but might happen when an event updates the state of the room for
@ -466,7 +478,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
def test_on_new_event(self) -> None:
"""Test that the on_new_event callback is called on new events"""
on_new_event = Mock(make_awaitable(None))
self.hs.get_third_party_event_rules()._on_new_event_callbacks.append(
self.hs.get_module_api_callbacks().third_party_event_rules._on_new_event_callbacks.append(
on_new_event
)
@ -569,7 +581,9 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
# Register a mock callback.
m = Mock(return_value=make_awaitable(None))
self.hs.get_third_party_event_rules()._on_profile_update_callbacks.append(m)
self.hs.get_module_api_callbacks().third_party_event_rules._on_profile_update_callbacks.append(
m
)
# Change the display name.
channel = self.make_request(
@ -628,7 +642,9 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
# Register a mock callback.
m = Mock(return_value=make_awaitable(None))
self.hs.get_third_party_event_rules()._on_profile_update_callbacks.append(m)
self.hs.get_module_api_callbacks().third_party_event_rules._on_profile_update_callbacks.append(
m
)
# Register an admin user.
self.register_user("admin", "password", admin=True)
@ -667,7 +683,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
"""
# Register a mocked callback.
deactivation_mock = Mock(return_value=make_awaitable(None))
third_party_rules = self.hs.get_third_party_event_rules()
third_party_rules = self.hs.get_module_api_callbacks().third_party_event_rules
third_party_rules._on_user_deactivation_status_changed_callbacks.append(
deactivation_mock,
)
@ -675,7 +691,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
# deactivation code calls it in a way that let modules know the user is being
# deactivated.
profile_mock = Mock(return_value=make_awaitable(None))
self.hs.get_third_party_event_rules()._on_profile_update_callbacks.append(
self.hs.get_module_api_callbacks().third_party_event_rules._on_profile_update_callbacks.append(
profile_mock,
)
@ -725,7 +741,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
"""
# Register a mock callback.
m = Mock(return_value=make_awaitable(None))
third_party_rules = self.hs.get_third_party_event_rules()
third_party_rules = self.hs.get_module_api_callbacks().third_party_event_rules
third_party_rules._on_user_deactivation_status_changed_callbacks.append(m)
# Register an admin user.
@ -779,7 +795,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
"""
# Register a mocked callback.
deactivation_mock = Mock(return_value=make_awaitable(False))
third_party_rules = self.hs.get_third_party_event_rules()
third_party_rules = self.hs.get_module_api_callbacks().third_party_event_rules
third_party_rules._check_can_deactivate_user_callbacks.append(
deactivation_mock,
)
@ -825,7 +841,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
"""
# Register a mocked callback.
deactivation_mock = Mock(return_value=make_awaitable(False))
third_party_rules = self.hs.get_third_party_event_rules()
third_party_rules = self.hs.get_module_api_callbacks().third_party_event_rules
third_party_rules._check_can_deactivate_user_callbacks.append(
deactivation_mock,
)
@ -864,7 +880,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
"""
# Register a mocked callback.
shutdown_mock = Mock(return_value=make_awaitable(False))
third_party_rules = self.hs.get_third_party_event_rules()
third_party_rules = self.hs.get_module_api_callbacks().third_party_event_rules
third_party_rules._check_can_shutdown_room_callbacks.append(
shutdown_mock,
)
@ -900,7 +916,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
"""
# Register a mocked callback.
threepid_bind_mock = Mock(return_value=make_awaitable(None))
third_party_rules = self.hs.get_third_party_event_rules()
third_party_rules = self.hs.get_module_api_callbacks().third_party_event_rules
third_party_rules._on_threepid_bind_callbacks.append(threepid_bind_mock)
# Register an admin user.
@ -947,8 +963,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
on_remove_user_third_party_identifier_callback_mock = Mock(
return_value=make_awaitable(None)
)
third_party_rules = self.hs.get_third_party_event_rules()
third_party_rules.register_third_party_rules_callbacks(
self.hs.get_module_api().register_third_party_rules_callbacks(
on_add_user_third_party_identifier=on_add_user_third_party_identifier_callback_mock,
on_remove_user_third_party_identifier=on_remove_user_third_party_identifier_callback_mock,
)
@ -1009,8 +1024,7 @@ class ThirdPartyRulesTestCase(unittest.FederatingHomeserverTestCase):
on_remove_user_third_party_identifier_callback_mock = Mock(
return_value=make_awaitable(None)
)
third_party_rules = self.hs.get_third_party_event_rules()
third_party_rules.register_third_party_rules_callbacks(
self.hs.get_module_api().register_third_party_rules_callbacks(
on_remove_user_third_party_identifier=on_remove_user_third_party_identifier_callback_mock,
)

4
tests/server.py
View file

@ -73,11 +73,13 @@ from twisted.web.server import Request, Site
from synapse.config.database import DatabaseConnectionConfig
from synapse.config.homeserver import HomeServerConfig
from synapse.events.presence_router import load_legacy_presence_router
from synapse.events.third_party_rules import load_legacy_third_party_event_rules
from synapse.handlers.auth import load_legacy_password_auth_providers
from synapse.http.site import SynapseRequest
from synapse.logging.context import ContextResourceUsage
from synapse.module_api.callbacks.spamchecker_callbacks import load_legacy_spam_checkers
from synapse.module_api.callbacks.third_party_event_rules_callbacks import (
load_legacy_third_party_event_rules,
)
from synapse.server import HomeServer
from synapse.storage import DataStore
from synapse.storage.database import LoggingDatabaseConnection