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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
import logging
from typing import TYPE_CHECKING, Optional
from synapse.api.errors import Codes, StoreError, SynapseError
from synapse.handlers.device import DeviceHandler
from synapse.types import Requester
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class SetPasswordHandler:
"""Handler which deals with changing user account passwords"""
def __init__(self, hs: "HomeServer"):
self.store = hs.get_datastores().main
self._auth_handler = hs.get_auth_handler()
# This can only be instantiated on the main process.
device_handler = hs.get_device_handler()
assert isinstance(device_handler, DeviceHandler)
self._device_handler = device_handler
async def set_password(
self,
user_id: str,
password_hash: str,
logout_devices: bool,
requester: Optional[Requester] = None,
) -> None:
if not self._auth_handler.can_change_password():
raise SynapseError(403, "Password change disabled", errcode=Codes.FORBIDDEN)
try:
await self.store.user_set_password_hash(user_id, password_hash)
except StoreError as e:
if e.code == 404:
raise SynapseError(404, "Unknown user", Codes.NOT_FOUND)
raise e
# Optionally, log out all of the user's other sessions.
if logout_devices:
except_device_id = requester.device_id if requester else None
except_access_token_id = requester.access_token_id if requester else None
# First delete all of their other devices.
await self._device_handler.delete_all_devices_for_user(
user_id, except_device_id=except_device_id
)
# and now delete any access tokens which weren't associated with
# devices (or were associated with this device).
await self._auth_handler.delete_access_tokens_for_user(
user_id, except_token_id=except_access_token_id
)
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