mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
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318 lines
12 KiB
Python
318 lines
12 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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import argparse
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import errno
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import os
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import yaml
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import sys
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from textwrap import dedent
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class ConfigError(Exception):
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pass
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class Config(object):
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stats_reporting_begging_spiel = (
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"We would really appreciate it if you could help our project out by"
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" reporting anonymized usage statistics from your homeserver. Only very"
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" basic aggregate data (e.g. number of users) will be reported, but it"
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" helps us to track the growth of the Matrix community, and helps us to"
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" make Matrix a success, as well as to convince other networks that they"
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" should peer with us."
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"\nThank you."
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)
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@staticmethod
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def parse_size(value):
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if isinstance(value, int) or isinstance(value, long):
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return value
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sizes = {"K": 1024, "M": 1024 * 1024}
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size = 1
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suffix = value[-1]
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if suffix in sizes:
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value = value[:-1]
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size = sizes[suffix]
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return int(value) * size
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@staticmethod
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def parse_duration(value):
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if isinstance(value, int) or isinstance(value, long):
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return value
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second = 1000
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hour = 60 * 60 * second
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day = 24 * hour
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week = 7 * day
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year = 365 * day
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sizes = {"s": second, "h": hour, "d": day, "w": week, "y": year}
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size = 1
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suffix = value[-1]
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if suffix in sizes:
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value = value[:-1]
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size = sizes[suffix]
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return int(value) * size
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@staticmethod
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def abspath(file_path):
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return os.path.abspath(file_path) if file_path else file_path
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@classmethod
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def check_file(cls, file_path, config_name):
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if file_path is None:
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raise ConfigError(
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"Missing config for %s."
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" You must specify a path for the config file. You can "
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"do this with the -c or --config-path option. "
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"Adding --generate-config along with --server-name "
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"<server name> will generate a config file at the given path."
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% (config_name,)
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)
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if not os.path.exists(file_path):
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raise ConfigError(
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"File %s config for %s doesn't exist."
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" Try running again with --generate-config"
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% (file_path, config_name,)
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)
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return cls.abspath(file_path)
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@classmethod
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def ensure_directory(cls, dir_path):
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dir_path = cls.abspath(dir_path)
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try:
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os.makedirs(dir_path)
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except OSError, e:
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if e.errno != errno.EEXIST:
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raise
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if not os.path.isdir(dir_path):
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raise ConfigError(
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"%s is not a directory" % (dir_path,)
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)
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return dir_path
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@classmethod
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def read_file(cls, file_path, config_name):
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cls.check_file(file_path, config_name)
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with open(file_path) as file_stream:
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return file_stream.read()
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@staticmethod
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def default_path(name):
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return os.path.abspath(os.path.join(os.path.curdir, name))
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@staticmethod
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def read_config_file(file_path):
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with open(file_path) as file_stream:
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return yaml.load(file_stream)
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def invoke_all(self, name, *args, **kargs):
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results = []
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for cls in type(self).mro():
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if name in cls.__dict__:
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results.append(getattr(cls, name)(self, *args, **kargs))
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return results
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def generate_config(self, config_dir_path, server_name, report_stats=None):
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default_config = "# vim:ft=yaml\n"
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default_config += "\n\n".join(dedent(conf) for conf in self.invoke_all(
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"default_config",
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config_dir_path=config_dir_path,
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server_name=server_name,
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report_stats=report_stats,
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))
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config = yaml.load(default_config)
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return default_config, config
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@classmethod
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def load_config(cls, description, argv, generate_section=None):
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obj = cls()
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config_parser = argparse.ArgumentParser(add_help=False)
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config_parser.add_argument(
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"-c", "--config-path",
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action="append",
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metavar="CONFIG_FILE",
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help="Specify config file. Can be given multiple times and"
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" may specify directories containing *.yaml files."
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)
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config_parser.add_argument(
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"--generate-config",
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action="store_true",
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help="Generate a config file for the server name"
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)
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config_parser.add_argument(
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"--report-stats",
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action="store",
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help="Stuff",
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choices=["yes", "no"]
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)
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config_parser.add_argument(
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"--generate-keys",
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action="store_true",
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help="Generate any missing key files then exit"
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)
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config_parser.add_argument(
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"--keys-directory",
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metavar="DIRECTORY",
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help="Used with 'generate-*' options to specify where files such as"
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" certs and signing keys should be stored in, unless explicitly"
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" specified in the config."
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)
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config_parser.add_argument(
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"-H", "--server-name",
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help="The server name to generate a config file for"
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)
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config_args, remaining_args = config_parser.parse_known_args(argv)
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generate_keys = config_args.generate_keys
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config_files = []
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if config_args.config_path:
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for config_path in config_args.config_path:
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if os.path.isdir(config_path):
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# We accept specifying directories as config paths, we search
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# inside that directory for all files matching *.yaml, and then
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# we apply them in *sorted* order.
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files = []
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for entry in os.listdir(config_path):
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entry_path = os.path.join(config_path, entry)
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if not os.path.isfile(entry_path):
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print (
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"Found subdirectory in config directory: %r. IGNORING."
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) % (entry_path, )
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continue
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if not entry.endswith(".yaml"):
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print (
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"Found file in config directory that does not"
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" end in '.yaml': %r. IGNORING."
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) % (entry_path, )
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continue
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files.append(entry_path)
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config_files.extend(sorted(files))
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else:
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config_files.append(config_path)
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if config_args.generate_config:
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if config_args.report_stats is None:
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config_parser.error(
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"Please specify either --report-stats=yes or --report-stats=no\n\n" +
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cls.stats_reporting_begging_spiel
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)
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if not config_files:
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config_parser.error(
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"Must supply a config file.\nA config file can be automatically"
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" generated using \"--generate-config -H SERVER_NAME"
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" -c CONFIG-FILE\""
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)
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(config_path,) = config_files
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if not os.path.exists(config_path):
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if config_args.keys_directory:
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config_dir_path = config_args.keys_directory
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else:
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config_dir_path = os.path.dirname(config_path)
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config_dir_path = os.path.abspath(config_dir_path)
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server_name = config_args.server_name
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if not server_name:
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print "Must specify a server_name to a generate config for."
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sys.exit(1)
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if not os.path.exists(config_dir_path):
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os.makedirs(config_dir_path)
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with open(config_path, "wb") as config_file:
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config_bytes, config = obj.generate_config(
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config_dir_path=config_dir_path,
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server_name=server_name,
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report_stats=(config_args.report_stats == "yes"),
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)
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obj.invoke_all("generate_files", config)
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config_file.write(config_bytes)
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print (
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"A config file has been generated in %r for server name"
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" %r with corresponding SSL keys and self-signed"
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" certificates. Please review this file and customise it"
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" to your needs."
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) % (config_path, server_name)
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print (
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"If this server name is incorrect, you will need to"
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" regenerate the SSL certificates"
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)
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sys.exit(0)
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else:
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print (
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"Config file %r already exists. Generating any missing key"
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" files."
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) % (config_path,)
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generate_keys = True
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parser = argparse.ArgumentParser(
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parents=[config_parser],
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description=description,
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formatter_class=argparse.RawDescriptionHelpFormatter,
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)
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obj.invoke_all("add_arguments", parser)
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args = parser.parse_args(remaining_args)
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if not config_files:
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config_parser.error(
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"Must supply a config file.\nA config file can be automatically"
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" generated using \"--generate-config -H SERVER_NAME"
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" -c CONFIG-FILE\""
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)
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if config_args.keys_directory:
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config_dir_path = config_args.keys_directory
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else:
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config_dir_path = os.path.dirname(config_args.config_path[-1])
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config_dir_path = os.path.abspath(config_dir_path)
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specified_config = {}
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for config_file in config_files:
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yaml_config = cls.read_config_file(config_file)
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specified_config.update(yaml_config)
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server_name = specified_config["server_name"]
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_, config = obj.generate_config(
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config_dir_path=config_dir_path,
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server_name=server_name
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)
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config.pop("log_config")
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config.update(specified_config)
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if "report_stats" not in config:
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sys.stderr.write(
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"Please opt in or out of reporting anonymized homeserver usage "
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"statistics, by setting the report_stats key in your config file "
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" ( " + config_path + " ) " +
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"to either True or False.\n\n" +
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Config.stats_reporting_begging_spiel + "\n")
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sys.exit(1)
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if generate_keys:
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obj.invoke_all("generate_files", config)
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sys.exit(0)
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obj.invoke_all("read_config", config)
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obj.invoke_all("read_arguments", args)
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return obj
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