127 lines
		
	
	
		
			5.7 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			5.7 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 os
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from ._base import Config, ConfigError
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import syutil.crypto.signing_key
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class ServerConfig(Config):
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    def __init__(self, args):
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        super(ServerConfig, self).__init__(args)
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        self.server_name = args.server_name
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        self.signing_key = self.read_signing_key(args.signing_key_path)
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        self.bind_port = args.bind_port
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        self.bind_host = args.bind_host
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        self.unsecure_port = args.unsecure_port
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        self.daemonize = args.daemonize
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        self.pid_file = self.abspath(args.pid_file)
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        self.webclient = True
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        self.manhole = args.manhole
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        self.soft_file_limit = args.soft_file_limit
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        if not args.content_addr:
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            host = args.server_name
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            if ':' not in host:
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                host = "%s:%d" % (host, args.unsecure_port)
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            else:
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                host = host.split(':')[0]
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                host = "%s:%d" % (host, args.unsecure_port)
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            args.content_addr = "http://%s" % (host,)
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        self.content_addr = args.content_addr
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    @classmethod
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    def add_arguments(cls, parser):
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        super(ServerConfig, cls).add_arguments(parser)
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        server_group = parser.add_argument_group("server")
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        server_group.add_argument(
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            "-H", "--server-name", default="localhost",
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            help="The domain name of the server, with optional explicit port. "
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                 "This is used by remote servers to connect to this server, "
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                 "e.g. matrix.org, localhost:8080, etc."
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        )
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        server_group.add_argument("--signing-key-path",
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                                  help="The signing key to sign messages with")
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        server_group.add_argument("-p", "--bind-port", metavar="PORT",
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                                  type=int, help="https port to listen on",
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                                  default=8448)
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        server_group.add_argument("--unsecure-port", metavar="PORT",
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                                  type=int, help="http port to listen on",
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                                  default=8008)
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        server_group.add_argument("--bind-host", default="",
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                                  help="Local interface to listen on")
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        server_group.add_argument("-D", "--daemonize", action='store_true',
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                                  help="Daemonize the home server")
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        server_group.add_argument('--pid-file', default="homeserver.pid",
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                                  help="When running as a daemon, the file to"
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                                  " store the pid in")
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        server_group.add_argument("--manhole", metavar="PORT", dest="manhole",
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                                  type=int,
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                                  help="Turn on the twisted telnet manhole"
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                                  " service on the given port.")
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        server_group.add_argument("--content-addr", default=None,
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                                  help="The host and scheme to use for the "
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                                  "content repository")
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        server_group.add_argument("--soft-file-limit", type=int, default=0,
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                                  help="Set the soft limit on the number of "
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                                       "file descriptors synapse can use. "
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                                       "Zero is used to indicate synapse "
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                                       "should set the soft limit to the hard"
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                                       "limit.")
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    def read_signing_key(self, signing_key_path):
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        signing_keys = self.read_file(signing_key_path, "signing_key")
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        try:
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            return syutil.crypto.signing_key.read_signing_keys(
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                signing_keys.splitlines(True)
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            )
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        except Exception:
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            raise ConfigError(
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                "Error reading signing_key."
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                " Try running again with --generate-config"
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            )
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    @classmethod
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    def generate_config(cls, args, config_dir_path):
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        super(ServerConfig, cls).generate_config(args, config_dir_path)
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        base_key_name = os.path.join(config_dir_path, args.server_name)
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        args.pid_file = os.path.abspath(args.pid_file)
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        if not args.signing_key_path:
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            args.signing_key_path = base_key_name + ".signing.key"
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        if not os.path.exists(args.signing_key_path):
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            with open(args.signing_key_path, "w") as signing_key_file:
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                syutil.crypto.signing_key.write_signing_keys(
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                    signing_key_file,
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                    (syutil.crypto.signing_key.generate_singing_key("auto"),),
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                )
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        else:
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            signing_keys = cls.read_file(args.signing_key_path, "signing_key")
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            if len(signing_keys.split("\n")[0].split()) == 1:
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                # handle keys in the old format.
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                key = syutil.crypto.signing_key.decode_signing_key_base64(
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                    syutil.crypto.signing_key.NACL_ED25519,
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                    "auto",
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                    signing_keys.split("\n")[0]
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                )
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                with open(args.signing_key_path, "w") as signing_key_file:
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                    syutil.crypto.signing_key.write_signing_keys(
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                        signing_key_file,
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                        (key,),
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                    )
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