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https://git.anonymousland.org/anonymousland/synapse-product.git
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97 lines
3.0 KiB
Python
97 lines
3.0 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015, 2016 OpenMarket 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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import logging
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from twisted.internet import defer
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from synapse.api.errors import AuthError
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from synapse.http.servlet import RestServlet, parse_json_object_from_request
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from synapse.util.stringutils import random_string
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from ._base import client_patterns
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logger = logging.getLogger(__name__)
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class IdTokenServlet(RestServlet):
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"""
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Get a bearer token that may be passed to a third party to confirm ownership
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of a matrix user id.
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The format of the response could be made compatible with the format given
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in http://openid.net/specs/openid-connect-core-1_0.html#TokenResponse
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But instead of returning a signed "id_token" the response contains the
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name of the issuing matrix homeserver. This means that for now the third
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party will need to check the validity of the "id_token" against the
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federation /openid/userinfo endpoint of the homeserver.
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Request:
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POST /user/{user_id}/openid/request_token?access_token=... HTTP/1.1
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{}
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Response:
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HTTP/1.1 200 OK
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{
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"access_token": "ABDEFGH",
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"token_type": "Bearer",
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"matrix_server_name": "example.com",
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"expires_in": 3600,
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}
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"""
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PATTERNS = client_patterns(
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"/user/(?P<user_id>[^/]*)/openid/request_token"
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)
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EXPIRES_MS = 3600 * 1000
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def __init__(self, hs):
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super(IdTokenServlet, self).__init__()
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self.auth = hs.get_auth()
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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self.server_name = hs.config.server_name
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@defer.inlineCallbacks
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def on_POST(self, request, user_id):
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requester = yield self.auth.get_user_by_req(request)
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if user_id != requester.user.to_string():
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raise AuthError(403, "Cannot request tokens for other users.")
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# Parse the request body to make sure it's JSON, but ignore the contents
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# for now.
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parse_json_object_from_request(request)
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token = random_string(24)
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ts_valid_until_ms = self.clock.time_msec() + self.EXPIRES_MS
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yield self.store.insert_open_id_token(token, ts_valid_until_ms, user_id)
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defer.returnValue((200, {
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"access_token": token,
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"token_type": "Bearer",
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"matrix_server_name": self.server_name,
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"expires_in": self.EXPIRES_MS / 1000,
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}))
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def register_servlets(hs, http_server):
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IdTokenServlet(hs).register(http_server)
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