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7615a8ced1
* Handle listening for ACME requests on IPv6 addresses the weird url-but-not-actually-a-url-string doesn't handle IPv6 addresses without extra quoting. Building a string which you are about to parse again seems like a weird choice. Let's just use listenTCP, which is consistent with what we do elsewhere. * Clean up the default ACME config make it look a bit more consistent with everything else, and tweak the defaults to listen on port 80. * newsfile
50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 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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import logging
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import sys
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from synapse import python_dependencies # noqa: E402
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sys.dont_write_bytecode = True
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logger = logging.getLogger(__name__)
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try:
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python_dependencies.check_requirements()
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except python_dependencies.DependencyException as e:
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sys.stderr.writelines(e.message)
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sys.exit(1)
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def check_bind_error(e, address, bind_addresses):
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"""
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This method checks an exception occurred while binding on 0.0.0.0.
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If :: is specified in the bind addresses a warning is shown.
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The exception is still raised otherwise.
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Binding on both 0.0.0.0 and :: causes an exception on Linux and macOS
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because :: binds on both IPv4 and IPv6 (as per RFC 3493).
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When binding on 0.0.0.0 after :: this can safely be ignored.
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Args:
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e (Exception): Exception that was caught.
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address (str): Address on which binding was attempted.
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bind_addresses (list): Addresses on which the service listens.
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"""
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if address == '0.0.0.0' and '::' in bind_addresses:
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logger.warn('Failed to listen on 0.0.0.0, continuing because listening on [::]')
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else:
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raise e
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