91 lines
2.8 KiB
Python
91 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014-2016 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.web.resource import Resource
|
|
from synapse.http.server import respond_with_json_bytes
|
|
from signedjson.sign import sign_json
|
|
from unpaddedbase64 import encode_base64
|
|
from canonicaljson import encode_canonical_json
|
|
from OpenSSL import crypto
|
|
import logging
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class LocalKey(Resource):
|
|
"""HTTP resource containing encoding the TLS X.509 certificate and NACL
|
|
signature verification keys for this server::
|
|
|
|
GET /key HTTP/1.1
|
|
|
|
HTTP/1.1 200 OK
|
|
Content-Type: application/json
|
|
{
|
|
"server_name": "this.server.example.com"
|
|
"verify_keys": {
|
|
"algorithm:version": # base64 encoded NACL verification key.
|
|
},
|
|
"tls_certificate": # base64 ASN.1 DER encoded X.509 tls cert.
|
|
"signatures": {
|
|
"this.server.example.com": {
|
|
"algorithm:version": # NACL signature for this server.
|
|
}
|
|
}
|
|
}
|
|
"""
|
|
|
|
def __init__(self, hs):
|
|
self.response_body = encode_canonical_json(
|
|
self.response_json_object(hs.config)
|
|
)
|
|
Resource.__init__(self)
|
|
|
|
@staticmethod
|
|
def response_json_object(server_config):
|
|
verify_keys = {}
|
|
for key in server_config.signing_key:
|
|
verify_key_bytes = key.verify_key.encode()
|
|
key_id = "%s:%s" % (key.alg, key.version)
|
|
verify_keys[key_id] = encode_base64(verify_key_bytes)
|
|
|
|
x509_certificate_bytes = crypto.dump_certificate(
|
|
crypto.FILETYPE_ASN1,
|
|
server_config.tls_certificate
|
|
)
|
|
json_object = {
|
|
u"server_name": server_config.server_name,
|
|
u"verify_keys": verify_keys,
|
|
u"tls_certificate": encode_base64(x509_certificate_bytes)
|
|
}
|
|
for key in server_config.signing_key:
|
|
json_object = sign_json(
|
|
json_object,
|
|
server_config.server_name,
|
|
key,
|
|
)
|
|
|
|
return json_object
|
|
|
|
def render_GET(self, request):
|
|
return respond_with_json_bytes(
|
|
request, 200, self.response_body,
|
|
)
|
|
|
|
def getChild(self, name, request):
|
|
if name == '':
|
|
return self
|