mirror of
https://mau.dev/maunium/synapse.git
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111 lines
3.7 KiB
Python
111 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 matrix.org
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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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from twisted.internet import reactor, ssl
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from twisted.web import server
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from twisted.web.resource import Resource
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from twisted.python.log import PythonLoggingObserver
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from synapse.crypto.resource.key import LocalKey
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from synapse.crypto.config import load_config
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from syutil.base64util import decode_base64
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from OpenSSL import crypto, SSL
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import logging
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import nacl.signing
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import sys
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class KeyServerSSLContextFactory(ssl.ContextFactory):
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"""Factory for PyOpenSSL SSL contexts that are used to handle incoming
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connections and to make connections to remote servers."""
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def __init__(self, key_server):
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self._context = SSL.Context(SSL.SSLv23_METHOD)
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self.configure_context(self._context, key_server)
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@staticmethod
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def configure_context(context, key_server):
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context.set_options(SSL.OP_NO_SSLv2 | SSL.OP_NO_SSLv3)
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context.use_certificate(key_server.tls_certificate)
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context.use_privatekey(key_server.tls_private_key)
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context.load_tmp_dh(key_server.tls_dh_params_path)
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context.set_cipher_list("!ADH:HIGH+kEDH:!AECDH:HIGH+kEECDH")
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def getContext(self):
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return self._context
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class KeyServer(object):
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"""An HTTPS server serving LocalKey and RemoteKey resources."""
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def __init__(self, server_name, tls_certificate_path, tls_private_key_path,
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tls_dh_params_path, signing_key_path, bind_host, bind_port):
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self.server_name = server_name
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self.tls_certificate = self.read_tls_certificate(tls_certificate_path)
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self.tls_private_key = self.read_tls_private_key(tls_private_key_path)
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self.tls_dh_params_path = tls_dh_params_path
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self.signing_key = self.read_signing_key(signing_key_path)
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self.bind_host = bind_host
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self.bind_port = int(bind_port)
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self.ssl_context_factory = KeyServerSSLContextFactory(self)
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@staticmethod
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def read_tls_certificate(cert_path):
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with open(cert_path) as cert_file:
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cert_pem = cert_file.read()
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return crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem)
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@staticmethod
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def read_tls_private_key(private_key_path):
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with open(private_key_path) as private_key_file:
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private_key_pem = private_key_file.read()
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return crypto.load_privatekey(crypto.FILETYPE_PEM, private_key_pem)
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@staticmethod
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def read_signing_key(signing_key_path):
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with open(signing_key_path) as signing_key_file:
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signing_key_b64 = signing_key_file.read()
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signing_key_bytes = decode_base64(signing_key_b64)
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return nacl.signing.SigningKey(signing_key_bytes)
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def run(self):
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root = Resource()
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root.putChild("key", LocalKey(self))
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site = server.Site(root)
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reactor.listenSSL(
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self.bind_port,
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site,
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self.ssl_context_factory,
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interface=self.bind_host
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)
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logging.basicConfig(level=logging.DEBUG)
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observer = PythonLoggingObserver()
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observer.start()
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reactor.run()
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def main():
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key_server = KeyServer(**load_config(__doc__, sys.argv[1:]))
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key_server.run()
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if __name__ == "__main__":
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main()
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