mirror of
https://mau.dev/maunium/synapse.git
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104 lines
3.7 KiB
Python
104 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2019 New Vector 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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import logging
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import twisted
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import twisted.internet.error
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from twisted.internet import defer
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from twisted.web import server, static
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from twisted.web.resource import Resource
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from synapse.app import check_bind_error
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logger = logging.getLogger(__name__)
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class AcmeHandler(object):
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def __init__(self, hs):
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self.hs = hs
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self.reactor = hs.get_reactor()
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self._acme_domain = hs.config.acme_domain
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@defer.inlineCallbacks
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def start_listening(self):
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from synapse.handlers import acme_issuing_service
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# Configure logging for txacme, if you need to debug
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# from eliot import add_destinations
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# from eliot.twisted import TwistedDestination
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#
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# add_destinations(TwistedDestination())
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well_known = Resource()
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self._issuer = acme_issuing_service.create_issuing_service(
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self.reactor,
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acme_url=self.hs.config.acme_url,
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account_key_file=self.hs.config.acme_account_key_file,
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well_known_resource=well_known,
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)
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responder_resource = Resource()
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responder_resource.putChild(b".well-known", well_known)
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responder_resource.putChild(b"check", static.Data(b"OK", b"text/plain"))
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srv = server.Site(responder_resource)
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bind_addresses = self.hs.config.acme_bind_addresses
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for host in bind_addresses:
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logger.info(
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"Listening for ACME requests on %s:%i", host, self.hs.config.acme_port
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)
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try:
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self.reactor.listenTCP(self.hs.config.acme_port, srv, interface=host)
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except twisted.internet.error.CannotListenError as e:
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check_bind_error(e, host, bind_addresses)
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# Make sure we are registered to the ACME server. There's no public API
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# for this, it is usually triggered by startService, but since we don't
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# want it to control where we save the certificates, we have to reach in
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# and trigger the registration machinery ourselves.
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self._issuer._registered = False
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yield self._issuer._ensure_registered()
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@defer.inlineCallbacks
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def provision_certificate(self):
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logger.warning("Reprovisioning %s", self._acme_domain)
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try:
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yield self._issuer.issue_cert(self._acme_domain)
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except Exception:
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logger.exception("Fail!")
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raise
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logger.warning("Reprovisioned %s, saving.", self._acme_domain)
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cert_chain = self._issuer.cert_store.certs[self._acme_domain]
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try:
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with open(self.hs.config.tls_private_key_file, "wb") as private_key_file:
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for x in cert_chain:
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if x.startswith(b"-----BEGIN RSA PRIVATE KEY-----"):
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private_key_file.write(x)
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with open(self.hs.config.tls_certificate_file, "wb") as certificate_file:
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for x in cert_chain:
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if x.startswith(b"-----BEGIN CERTIFICATE-----"):
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certificate_file.write(x)
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except Exception:
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logger.exception("Failed saving!")
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raise
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return True
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