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# -*- coding: utf-8 -*-
# Copyright 2015 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
INVITE_KEYS = {"id_server", "medium", "address", "display_name"}
JOIN_KEYS = {
"token",
"public_key",
"key_validity_url",
"signature",
"sender",
}
def has_invite_keys(content):
for key in INVITE_KEYS:
if key not in content:
return False
return True
def has_join_keys(content):
for key in JOIN_KEYS:
if key not in content:
return False
return True
def join_has_third_party_invite(content):
if "third_party_invite" not in content:
return False
return has_join_keys(content["third_party_invite"])
def extract_join_keys(src):
return {
key: value
for key, value in src.items()
if key in JOIN_KEYS
}
@defer.inlineCallbacks
def check_key_valid(http_client, event):
try:
response = yield http_client.get_json(
event.content["third_party_invite"]["key_validity_url"],
{"public_key": event.content["third_party_invite"]["public_key"]}
)
if not response["valid"]:
raise AuthError(403, "Third party certificate was invalid")
except IOError:
raise AuthError(502, "Third party certificate could not be checked")
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