mirror of
https://mau.dev/maunium/synapse.git
synced 2024-10-01 01:36:05 -04:00
138 lines
5.2 KiB
Python
138 lines
5.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014, 2015 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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from ._base import Config
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from OpenSSL import crypto
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import subprocess
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import os
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GENERATE_DH_PARAMS = False
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class TlsConfig(Config):
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def read_config(self, config):
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self.tls_certificate = self.read_tls_certificate(
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config.get("tls_certificate_path")
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)
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self.no_tls = config.get("no_tls", False)
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if self.no_tls:
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self.tls_private_key = None
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else:
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self.tls_private_key = self.read_tls_private_key(
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config.get("tls_private_key_path")
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)
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self.tls_dh_params_path = self.check_file(
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config.get("tls_dh_params_path"), "tls_dh_params"
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)
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def default_config(self, config_dir_path, server_name):
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base_key_name = os.path.join(config_dir_path, server_name)
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tls_certificate_path = base_key_name + ".tls.crt"
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tls_private_key_path = base_key_name + ".tls.key"
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tls_dh_params_path = base_key_name + ".tls.dh"
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return """\
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# PEM encoded X509 certificate for TLS
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tls_certificate_path: "%(tls_certificate_path)s"
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# PEM encoded private key for TLS
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tls_private_key_path: "%(tls_private_key_path)s"
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# PEM dh parameters for ephemeral keys
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tls_dh_params_path: "%(tls_dh_params_path)s"
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# Don't bind to the https port
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no_tls: False
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""" % locals()
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def read_tls_certificate(self, cert_path):
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cert_pem = self.read_file(cert_path, "tls_certificate")
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return crypto.load_certificate(crypto.FILETYPE_PEM, cert_pem)
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def read_tls_private_key(self, private_key_path):
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private_key_pem = self.read_file(private_key_path, "tls_private_key")
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return crypto.load_privatekey(crypto.FILETYPE_PEM, private_key_pem)
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def generate_keys(self, config):
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tls_certificate_path = config["tls_certificate_path"]
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tls_private_key_path = config["tls_private_key_path"]
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tls_dh_params_path = config["tls_dh_params_path"]
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if not os.path.exists(tls_private_key_path):
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with open(tls_private_key_path, "w") as private_key_file:
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tls_private_key = crypto.PKey()
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tls_private_key.generate_key(crypto.TYPE_RSA, 2048)
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private_key_pem = crypto.dump_privatekey(
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crypto.FILETYPE_PEM, tls_private_key
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)
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private_key_file.write(private_key_pem)
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else:
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with open(tls_private_key_path) as private_key_file:
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private_key_pem = private_key_file.read()
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tls_private_key = crypto.load_privatekey(
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crypto.FILETYPE_PEM, private_key_pem
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)
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if not os.path.exists(tls_certificate_path):
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with open(tls_certificate_path, "w") as certifcate_file:
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cert = crypto.X509()
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subject = cert.get_subject()
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subject.CN = config["server_name"]
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cert.set_serial_number(1000)
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cert.gmtime_adj_notBefore(0)
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cert.gmtime_adj_notAfter(10 * 365 * 24 * 60 * 60)
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cert.set_issuer(cert.get_subject())
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cert.set_pubkey(tls_private_key)
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cert.sign(tls_private_key, 'sha256')
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cert_pem = crypto.dump_certificate(crypto.FILETYPE_PEM, cert)
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certifcate_file.write(cert_pem)
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if not os.path.exists(tls_dh_params_path):
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if GENERATE_DH_PARAMS:
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subprocess.check_call([
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"openssl", "dhparam",
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"-outform", "PEM",
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"-out", tls_dh_params_path,
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"2048"
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])
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else:
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with open(tls_dh_params_path, "w") as dh_params_file:
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dh_params_file.write(
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"2048-bit DH parameters taken from rfc3526\n"
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"-----BEGIN DH PARAMETERS-----\n"
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"MIIBCAKCAQEA///////////JD9qiIWjC"
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"NMTGYouA3BzRKQJOCIpnzHQCC76mOxOb\n"
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"IlFKCHmONATd75UZs806QxswKwpt8l8U"
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"N0/hNW1tUcJF5IW1dmJefsb0TELppjft\n"
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"awv/XLb0Brft7jhr+1qJn6WunyQRfEsf"
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"5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT\n"
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"mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVS"
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"u57VKQdwlpZtZww1Tkq8mATxdGwIyhgh\n"
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"fDKQXkYuNs474553LBgOhgObJ4Oi7Aei"
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"j7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq\n"
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"5RXSJhiY+gUQFXKOWoqsqmj/////////"
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"/wIBAg==\n"
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"-----END DH PARAMETERS-----\n"
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)
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