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# -*- coding: utf-8 -*-
# Copyright 2015, 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 twisted.internet import defer
from synapse.api.errors import AuthError, StoreError, SynapseError
from synapse.http.servlet import RestServlet, parse_json_object_from_request
from ._base import client_v2_patterns
class TokenRefreshRestServlet(RestServlet):
"""
Exchanges refresh tokens for a pair of an access token and a new refresh
token.
"""
PATTERNS = client_v2_patterns("/tokenrefresh")
def __init__(self, hs):
super(TokenRefreshRestServlet, self).__init__()
self.hs = hs
self.store = hs.get_datastore()
@defer.inlineCallbacks
def on_POST(self, request):
body = parse_json_object_from_request(request)
try:
old_refresh_token = body["refresh_token"]
auth_handler = self.hs.get_auth_handler()
(user_id, new_refresh_token) = yield self.store.exchange_refresh_token(
old_refresh_token, auth_handler.generate_refresh_token)
new_access_token = yield auth_handler.issue_access_token(user_id)
defer.returnValue((200, {
"access_token": new_access_token,
"refresh_token": new_refresh_token,
}))
except KeyError:
raise SynapseError(400, "Missing required key 'refresh_token'.")
except StoreError:
raise AuthError(403, "Did not recognize refresh token")
def register_servlets(hs, http_server):
TokenRefreshRestServlet(hs).register(http_server)
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