From b95a178584cac07018f47e571f48993878da7284 Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Tue, 30 Sep 2014 15:15:10 +0100 Subject: SYN-75 Verify signatures on server to server transactions --- synapse/crypto/keyserver.py | 111 -------------------------------------------- 1 file changed, 111 deletions(-) delete mode 100644 synapse/crypto/keyserver.py (limited to 'synapse/crypto/keyserver.py') diff --git a/synapse/crypto/keyserver.py b/synapse/crypto/keyserver.py deleted file mode 100644 index a23484dbae..0000000000 --- a/synapse/crypto/keyserver.py +++ /dev/null @@ -1,111 +0,0 @@ -# -*- coding: utf-8 -*- -# Copyright 2014 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 reactor, ssl -from twisted.web import server -from twisted.web.resource import Resource -from twisted.python.log import PythonLoggingObserver - -from synapse.crypto.resource.key import LocalKey -from synapse.crypto.config import load_config - -from syutil.base64util import decode_base64 - -from OpenSSL import crypto, SSL - -import logging -import nacl.signing -import sys - - -class KeyServerSSLContextFactory(ssl.ContextFactory): - """Factory for PyOpenSSL SSL contexts that are used to handle incoming - connections and to make connections to remote servers.""" - - def __init__(self, key_server): - self._context = SSL.Context(SSL.SSLv23_METHOD) - self.configure_context(self._context, key_server) - - @staticmethod - def configure_context(context, key_server): - context.set_options(SSL.OP_NO_SSLv2 | SSL.OP_NO_SSLv3) - context.use_certificate(key_server.tls_certificate) - context.use_privatekey(key_server.tls_private_key) - context.load_tmp_dh(key_server.tls_dh_params_path) - context.set_cipher_list("!ADH:HIGH+kEDH:!AECDH:HIGH+kEECDH") - - def getContext(self): - return self._context - - -class KeyServer(object): - """An HTTPS server serving LocalKey and RemoteKey resources.""" - - def __init__(self, server_name, tls_certificate_path, tls_private_key_path, - tls_dh_params_path, signing_key_path, bind_host, bind_port): - self.server_name = server_name - self.tls_certificate = self.read_tls_certificate(tls_certificate_path) - self.tls_private_key = self.read_tls_private_key(tls_private_key_path) - self.tls_dh_params_path = tls_dh_params_path - self.signing_key = self.read_signing_key(signing_key_path) - self.bind_host = bind_host - self.bind_port = int(bind_port) - self.ssl_context_factory = KeyServerSSLContextFactory(self) - - @staticmethod - def read_tls_certificate(cert_path): - with open(cert_path) as cert_file: - cert_pem = cert_file.read() - return crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem) - - @staticmethod - def read_tls_private_key(private_key_path): - with open(private_key_path) as private_key_file: - private_key_pem = private_key_file.read() - return crypto.load_privatekey(crypto.FILETYPE_PEM, private_key_pem) - - @staticmethod - def read_signing_key(signing_key_path): - with open(signing_key_path) as signing_key_file: - signing_key_b64 = signing_key_file.read() - signing_key_bytes = decode_base64(signing_key_b64) - return nacl.signing.SigningKey(signing_key_bytes) - - def run(self): - root = Resource() - root.putChild("key", LocalKey(self)) - site = server.Site(root) - reactor.listenSSL( - self.bind_port, - site, - self.ssl_context_factory, - interface=self.bind_host - ) - - logging.basicConfig(level=logging.DEBUG) - observer = PythonLoggingObserver() - observer.start() - - reactor.run() - - -def main(): - key_server = KeyServer(**load_config(__doc__, sys.argv[1:])) - key_server.run() - - -if __name__ == "__main__": - main() -- cgit 1.4.1