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# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018-2019 New Vector Ltd
#
# 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
import re
import synapse
from synapse.api.errors import Codes, NotFoundError, SynapseError
from synapse.http.server import JsonResource
from synapse.http.servlet import RestServlet, parse_json_object_from_request
from synapse.rest.admin._base import (
assert_requester_is_admin,
historical_admin_path_patterns,
)
from synapse.rest.admin.groups import DeleteGroupAdminRestServlet
from synapse.rest.admin.media import ListMediaInRoom, register_servlets_for_media_repo
from synapse.rest.admin.purge_room_servlet import PurgeRoomServlet
from synapse.rest.admin.rooms import ShutdownRoomRestServlet
from synapse.rest.admin.server_notice_servlet import SendServerNoticeServlet
from synapse.rest.admin.users import (
AccountValidityRenewServlet,
DeactivateAccountRestServlet,
GetUsersPaginatedRestServlet,
ResetPasswordRestServlet,
SearchUsersRestServlet,
UserAdminServlet,
UserRegisterServlet,
UsersRestServlet,
WhoisRestServlet,
)
from synapse.util.versionstring import get_version_string
logger = logging.getLogger(__name__)
class VersionServlet(RestServlet):
PATTERNS = (re.compile("^/_synapse/admin/v1/server_version$"),)
def __init__(self, hs):
self.res = {
"server_version": get_version_string(synapse),
"python_version": platform.python_version(),
}
def on_GET(self, request):
return 200, self.res
class PurgeHistoryRestServlet(RestServlet):
PATTERNS = historical_admin_path_patterns(
"/purge_history/(?P<room_id>[^/]*)(/(?P<event_id>[^/]+))?"
)
def __init__(self, hs):
"""
Args:
hs (synapse.server.HomeServer)
"""
self.pagination_handler = hs.get_pagination_handler()
self.store = hs.get_datastore()
self.auth = hs.get_auth()
async def on_POST(self, request, room_id, event_id):
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(400, "Event is for wrong room.")
token = await self.store.get_topological_token_for_event(event_id)
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 not isinstance(ts, int):
raise SynapseError(
400, "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_after_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(
404, "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(
400,
"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 200, {"purge_id": purge_id}
class PurgeHistoryStatusRestServlet(RestServlet):
PATTERNS = historical_admin_path_patterns(
"/purge_history_status/(?P<purge_id>[^/]+)"
)
def __init__(self, hs):
"""
Args:
hs (synapse.server.HomeServer)
"""
self.pagination_handler = hs.get_pagination_handler()
self.auth = hs.get_auth()
async def on_GET(self, request, purge_id):
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 200, 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):
JsonResource.__init__(self, hs, canonical_json=False)
register_servlets(hs, self)
def register_servlets(hs, http_server):
"""
Register all the admin servlets.
"""
register_servlets_for_client_rest_resource(hs, http_server)
PurgeRoomServlet(hs).register(http_server)
SendServerNoticeServlet(hs).register(http_server)
VersionServlet(hs).register(http_server)
UserAdminServlet(hs).register(http_server)
def register_servlets_for_client_rest_resource(hs, http_server):
"""Register only the servlets which need to be exposed on /_matrix/client/xxx"""
WhoisRestServlet(hs).register(http_server)
PurgeHistoryStatusRestServlet(hs).register(http_server)
DeactivateAccountRestServlet(hs).register(http_server)
PurgeHistoryRestServlet(hs).register(http_server)
UsersRestServlet(hs).register(http_server)
ResetPasswordRestServlet(hs).register(http_server)
GetUsersPaginatedRestServlet(hs).register(http_server)
SearchUsersRestServlet(hs).register(http_server)
ShutdownRoomRestServlet(hs).register(http_server)
UserRegisterServlet(hs).register(http_server)
DeleteGroupAdminRestServlet(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.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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