synapse-product/synapse/handlers/device.py
Richard van der Hoff f863a52cea Add device_id support to /login
Add a 'devices' table to the storage, as well as a 'device_id' column to
refresh_tokens.

Allow the client to pass a device_id, and initial_device_display_name, to
/login. If login is successful, then register the device in the devices table
if it wasn't known already. If no device_id was supplied, make one up.

Associate the device_id with the access token and refresh token, so that we can
get at it again later. Ensure that the device_id is copied from the refresh
token to the access_token when the token is refreshed.
2016-07-18 16:39:44 +01:00

72 lines
2.5 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket 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.
from synapse.api.errors import StoreError
from synapse.util import stringutils
from twisted.internet import defer
from ._base import BaseHandler
import logging
logger = logging.getLogger(__name__)
class DeviceHandler(BaseHandler):
def __init__(self, hs):
super(DeviceHandler, self).__init__(hs)
@defer.inlineCallbacks
def check_device_registered(self, user_id, device_id,
initial_device_display_name):
"""
If the given device has not been registered, register it with the
supplied display name.
If no device_id is supplied, we make one up.
Args:
user_id (str): @user:id
device_id (str | None): device id supplied by client
initial_device_display_name (str | None): device display name from
client
Returns:
str: device id (generated if none was supplied)
"""
if device_id is not None:
yield self.store.store_device(
user_id=user_id,
device_id=device_id,
initial_device_display_name=initial_device_display_name,
ignore_if_known=True,
)
defer.returnValue(device_id)
# if the device id is not specified, we'll autogen one, but loop a few
# times in case of a clash.
attempts = 0
while attempts < 5:
try:
device_id = stringutils.random_string_with_symbols(16)
yield self.store.store_device(
user_id=user_id,
device_id=device_id,
initial_device_display_name=initial_device_display_name,
ignore_if_known=False,
)
defer.returnValue(device_id)
except StoreError:
attempts += 1
raise StoreError(500, "Couldn't generate a device ID.")