mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-12-27 01:19:25 -05:00
130 lines
4.6 KiB
Python
130 lines
4.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2017, 2018 New Vector Ltd
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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 twisted.internet import defer, reactor
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from ._base import BaseHandler
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from synapse.types import UserID, create_requester
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from synapse.util.logcontext import run_in_background
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import logging
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logger = logging.getLogger(__name__)
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class DeactivateAccountHandler(BaseHandler):
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"""Handler which deals with deactivating user accounts."""
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def __init__(self, hs):
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super(DeactivateAccountHandler, self).__init__(hs)
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self._auth_handler = hs.get_auth_handler()
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self._device_handler = hs.get_device_handler()
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self._room_member_handler = hs.get_room_member_handler()
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# Flag that indicates whether the process to part users from rooms is running
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self._user_parter_running = False
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# Start the user parter loop so it can resume parting users from rooms where
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# it left off (if it has work left to do).
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reactor.callWhenRunning(self._start_user_parting)
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@defer.inlineCallbacks
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def deactivate_account(self, user_id):
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"""Deactivate a user's account
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Args:
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user_id (str): ID of user to be deactivated
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Returns:
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Deferred
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"""
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# FIXME: Theoretically there is a race here wherein user resets
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# password using threepid.
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# first delete any devices belonging to the user, which will also
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# delete corresponding access tokens.
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yield self._device_handler.delete_all_devices_for_user(user_id)
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# then delete any remaining access tokens which weren't associated with
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# a device.
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yield self._auth_handler.delete_access_tokens_for_user(user_id)
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yield self.store.user_delete_threepids(user_id)
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yield self.store.user_set_password_hash(user_id, None)
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# Add the user to a table of users penpding deactivation (ie.
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# removal from all the rooms they're a member of)
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yield self.store.add_user_pending_deactivation(user_id)
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# Now start the process that goes through that list and
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# parts users from rooms (if it isn't already running)
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self._start_user_parting()
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def _start_user_parting(self):
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"""
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Start the process that goes through the table of users
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pending deactivation, if it isn't already running.
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Returns:
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None
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"""
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if not self._user_parter_running:
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run_in_background(self._user_parter_loop)
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@defer.inlineCallbacks
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def _user_parter_loop(self):
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"""Loop that parts deactivated users from rooms
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Returns:
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None
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"""
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self._user_parter_running = True
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logger.info("Starting user parter")
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try:
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while True:
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user_id = yield self.store.get_user_pending_deactivation()
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if user_id is None:
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break
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logger.info("User parter parting %r", user_id)
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yield self._part_user(user_id)
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yield self.store.del_user_pending_deactivation(user_id)
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logger.info("User parter finished parting %r", user_id)
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logger.info("User parter finished: stopping")
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finally:
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self._user_parter_running = False
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@defer.inlineCallbacks
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def _part_user(self, user_id):
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"""Causes the given user_id to leave all the rooms they're joined to
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Returns:
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None
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"""
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user = UserID.from_string(user_id)
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rooms_for_user = yield self.store.get_rooms_for_user(user_id)
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for room_id in rooms_for_user:
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logger.info("User parter parting %r from %r", user_id, room_id)
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try:
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yield self._room_member_handler.update_membership(
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create_requester(user),
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user,
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room_id,
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"leave",
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ratelimit=False,
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)
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except Exception:
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logger.exception(
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"Failed to part user %r from room %r: ignoring and continuing",
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user_id, room_id,
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)
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