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anonymousland-synapse/synapse/rest/admin/__init__.py
David Robertson 796a4b7482
Prefer type(x) is int to isinstance(x, int) (#14945) 
* Perfer `type(x) is int` to `isinstance(x, int)`

This covered all additional instances I could see where `x` was
user-controlled.
The remaining cases are

```
$ rg -s 'isinstance.*[^_]int'
tests/replication/_base.py
576:        if isinstance(obj, int):

synapse/util/caches/stream_change_cache.py
136:        assert isinstance(stream_pos, int)
214:        assert isinstance(stream_pos, int)
246:        assert isinstance(stream_pos, int)
267:        assert isinstance(stream_pos, int)

synapse/replication/tcp/external_cache.py
133:        if isinstance(result, int):

synapse/metrics/__init__.py
100:        if isinstance(calls, (int, float)):

synapse/handlers/appservice.py
262:        assert isinstance(new_token, int)

synapse/config/_util.py
62:        if isinstance(p, int):
```

which cover metrics, logic related to `jsonschema`, and replication and
data streams. AFAICS these are all internal to Synapse

* Changelog
2023-01-31 10:33:07 +00:00

317 lines
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# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018-2019 New Vector Ltd
# Copyright 2020, 2021 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.
import logging
import platform
from http import HTTPStatus
from typing import TYPE_CHECKING, Optional, Tuple
from synapse.api.errors import Codes, NotFoundError, SynapseError
from synapse.http.server import HttpServer, JsonResource
from synapse.http.servlet import RestServlet, parse_json_object_from_request
from synapse.http.site import SynapseRequest
from synapse.rest.admin._base import admin_patterns, assert_requester_is_admin
from synapse.rest.admin.background_updates import (
BackgroundUpdateEnabledRestServlet,
BackgroundUpdateRestServlet,
BackgroundUpdateStartJobRestServlet,
)
from synapse.rest.admin.devices import (
DeleteDevicesRestServlet,
DeviceRestServlet,
DevicesRestServlet,
)
from synapse.rest.admin.event_reports import (
EventReportDetailRestServlet,
EventReportsRestServlet,
)
from synapse.rest.admin.federation import (
DestinationMembershipRestServlet,
DestinationResetConnectionRestServlet,
DestinationRestServlet,
ListDestinationsRestServlet,
)
from synapse.rest.admin.media import ListMediaInRoom, register_servlets_for_media_repo
from synapse.rest.admin.registration_tokens import (
ListRegistrationTokensRestServlet,
NewRegistrationTokenRestServlet,
RegistrationTokenRestServlet,
)
from synapse.rest.admin.rooms import (
BlockRoomRestServlet,
DeleteRoomStatusByDeleteIdRestServlet,
DeleteRoomStatusByRoomIdRestServlet,
ForwardExtremitiesRestServlet,
JoinRoomAliasServlet,
ListRoomRestServlet,
MakeRoomAdminRestServlet,
RoomEventContextServlet,
RoomMembersRestServlet,
RoomMessagesRestServlet,
RoomRestServlet,
RoomRestV2Servlet,
RoomStateRestServlet,
RoomTimestampToEventRestServlet,
)
from synapse.rest.admin.server_notice_servlet import SendServerNoticeServlet
from synapse.rest.admin.statistics import UserMediaStatisticsRestServlet
from synapse.rest.admin.username_available import UsernameAvailableRestServlet
from synapse.rest.admin.users import (
AccountDataRestServlet,
AccountValidityRenewServlet,
DeactivateAccountRestServlet,
PushersRestServlet,
RateLimitRestServlet,
ResetPasswordRestServlet,
SearchUsersRestServlet,
ShadowBanRestServlet,
UserAdminServlet,
UserByExternalId,
UserByThreePid,
UserMembershipRestServlet,
UserRegisterServlet,
UserRestServletV2,
UsersRestServletV2,
UserTokenRestServlet,
WhoisRestServlet,
)
from synapse.types import JsonDict, RoomStreamToken
from synapse.util import SYNAPSE_VERSION
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class VersionServlet(RestServlet):
PATTERNS = admin_patterns("/server_version$")
def __init__(self, hs: "HomeServer"):
self.res = {
"server_version": SYNAPSE_VERSION,
"python_version": platform.python_version(),
}
def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
return HTTPStatus.OK, self.res
class PurgeHistoryRestServlet(RestServlet):
PATTERNS = admin_patterns(
"/purge_history/(?P<room_id>[^/]*)(/(?P<event_id>[^/]*))?$"
)
def __init__(self, hs: "HomeServer"):
self.pagination_handler = hs.get_pagination_handler()
self.store = hs.get_datastores().main
self.auth = hs.get_auth()
async def on_POST(
self, request: SynapseRequest, room_id: str, event_id: Optional[str]
) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self.auth, request)
body = parse_json_object_from_request(request, allow_empty_body=True)
delete_local_events = bool(body.get("delete_local_events", False))
# establish the topological ordering we should keep events from. The
# user can provide an event_id in the URL or the request body, or can
# provide a timestamp in the request body.
if event_id is None:
event_id = body.get("purge_up_to_event_id")
if event_id is not None:
event = await self.store.get_event(event_id)
if event.room_id != room_id:
raise SynapseError(HTTPStatus.BAD_REQUEST, "Event is for wrong room.")
# RoomStreamToken expects [int] not Optional[int]
assert event.internal_metadata.stream_ordering is not None
room_token = RoomStreamToken(
event.depth, event.internal_metadata.stream_ordering
)
token = await room_token.to_string(self.store)
logger.info("[purge] purging up to token %s (event_id %s)", token, event_id)
elif "purge_up_to_ts" in body:
ts = body["purge_up_to_ts"]
if type(ts) is not int:
raise SynapseError(
HTTPStatus.BAD_REQUEST,
"purge_up_to_ts must be an int",
errcode=Codes.BAD_JSON,
)
stream_ordering = await self.store.find_first_stream_ordering_after_ts(ts)
r = await self.store.get_room_event_before_stream_ordering(
room_id, stream_ordering
)
if not r:
logger.warning(
"[purge] purging events not possible: No event found "
"(received_ts %i => stream_ordering %i)",
ts,
stream_ordering,
)
raise SynapseError(
HTTPStatus.NOT_FOUND,
"there is no event to be purged",
errcode=Codes.NOT_FOUND,
)
(stream, topo, _event_id) = r
token = "t%d-%d" % (topo, stream)
logger.info(
"[purge] purging up to token %s (received_ts %i => "
"stream_ordering %i)",
token,
ts,
stream_ordering,
)
else:
raise SynapseError(
HTTPStatus.BAD_REQUEST,
"must specify purge_up_to_event_id or purge_up_to_ts",
errcode=Codes.BAD_JSON,
)
purge_id = self.pagination_handler.start_purge_history(
room_id, token, delete_local_events=delete_local_events
)
return HTTPStatus.OK, {"purge_id": purge_id}
class PurgeHistoryStatusRestServlet(RestServlet):
PATTERNS = admin_patterns("/purge_history_status/(?P<purge_id>[^/]*)$")
def __init__(self, hs: "HomeServer"):
self.pagination_handler = hs.get_pagination_handler()
self.auth = hs.get_auth()
async def on_GET(
self, request: SynapseRequest, purge_id: str
) -> Tuple[int, JsonDict]:
await assert_requester_is_admin(self.auth, request)
purge_status = self.pagination_handler.get_purge_status(purge_id)
if purge_status is None:
raise NotFoundError("purge id '%s' not found" % purge_id)
return HTTPStatus.OK, purge_status.asdict()
########################################################################################
#
# please don't add more servlets here: this file is already long and unwieldy. Put
# them in separate files within the 'admin' package.
#
########################################################################################
class AdminRestResource(JsonResource):
"""The REST resource which gets mounted at /_synapse/admin"""
def __init__(self, hs: "HomeServer"):
JsonResource.__init__(self, hs, canonical_json=False)
register_servlets(hs, self)
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
"""
Register all the admin servlets.
"""
# Admin servlets aren't registered on workers.
if hs.config.worker.worker_app is not None:
return
register_servlets_for_client_rest_resource(hs, http_server)
BlockRoomRestServlet(hs).register(http_server)
ListRoomRestServlet(hs).register(http_server)
RoomStateRestServlet(hs).register(http_server)
RoomRestServlet(hs).register(http_server)
RoomRestV2Servlet(hs).register(http_server)
RoomMembersRestServlet(hs).register(http_server)
DeleteRoomStatusByDeleteIdRestServlet(hs).register(http_server)
DeleteRoomStatusByRoomIdRestServlet(hs).register(http_server)
JoinRoomAliasServlet(hs).register(http_server)
VersionServlet(hs).register(http_server)
UserAdminServlet(hs).register(http_server)
UserMembershipRestServlet(hs).register(http_server)
UserTokenRestServlet(hs).register(http_server)
UserRestServletV2(hs).register(http_server)
UsersRestServletV2(hs).register(http_server)
UserMediaStatisticsRestServlet(hs).register(http_server)
EventReportDetailRestServlet(hs).register(http_server)
EventReportsRestServlet(hs).register(http_server)
AccountDataRestServlet(hs).register(http_server)
PushersRestServlet(hs).register(http_server)
MakeRoomAdminRestServlet(hs).register(http_server)
ShadowBanRestServlet(hs).register(http_server)
ForwardExtremitiesRestServlet(hs).register(http_server)
RoomEventContextServlet(hs).register(http_server)
RateLimitRestServlet(hs).register(http_server)
UsernameAvailableRestServlet(hs).register(http_server)
ListRegistrationTokensRestServlet(hs).register(http_server)
NewRegistrationTokenRestServlet(hs).register(http_server)
RegistrationTokenRestServlet(hs).register(http_server)
DestinationMembershipRestServlet(hs).register(http_server)
DestinationResetConnectionRestServlet(hs).register(http_server)
DestinationRestServlet(hs).register(http_server)
ListDestinationsRestServlet(hs).register(http_server)
RoomMessagesRestServlet(hs).register(http_server)
RoomTimestampToEventRestServlet(hs).register(http_server)
UserByExternalId(hs).register(http_server)
UserByThreePid(hs).register(http_server)
DeviceRestServlet(hs).register(http_server)
DevicesRestServlet(hs).register(http_server)
DeleteDevicesRestServlet(hs).register(http_server)
SendServerNoticeServlet(hs).register(http_server)
BackgroundUpdateEnabledRestServlet(hs).register(http_server)
BackgroundUpdateRestServlet(hs).register(http_server)
BackgroundUpdateStartJobRestServlet(hs).register(http_server)
def register_servlets_for_client_rest_resource(
hs: "HomeServer", http_server: HttpServer
) -> None:
"""Register only the servlets which need to be exposed on /_matrix/client/xxx"""
WhoisRestServlet(hs).register(http_server)
PurgeHistoryStatusRestServlet(hs).register(http_server)
PurgeHistoryRestServlet(hs).register(http_server)
# The following resources can only be run on the main process.
if hs.config.worker.worker_app is None:
DeactivateAccountRestServlet(hs).register(http_server)
ResetPasswordRestServlet(hs).register(http_server)
SearchUsersRestServlet(hs).register(http_server)
UserRegisterServlet(hs).register(http_server)
AccountValidityRenewServlet(hs).register(http_server)
# Load the media repo ones if we're using them. Otherwise load the servlets which
# don't need a media repo (typically readonly admin APIs).
if hs.config.media.can_load_media_repo:
register_servlets_for_media_repo(hs, http_server)
else:
ListMediaInRoom(hs).register(http_server)
# don't add more things here: new servlets should only be exposed on
# /_synapse/admin so should not go here. Instead register them in AdminRestResource.
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