diff options
Diffstat (limited to 'synapse/config')
| -rw-r--r-- | synapse/config/_base.py | 11 | ||||
| -rw-r--r-- | synapse/config/homeserver.py | 3 | ||||
| -rw-r--r-- | synapse/config/key.py | 147 | ||||
| -rw-r--r-- | synapse/config/server.py | 50 |
4 files changed, 161 insertions, 50 deletions
diff --git a/synapse/config/_base.py b/synapse/config/_base.py index 6017cb6334..b59f4e45e2 100644 --- a/synapse/config/_base.py +++ b/synapse/config/_base.py @@ -77,6 +77,17 @@ class Config(object): with open(file_path) as file_stream: return file_stream.read() + @classmethod + def read_yaml_file(cls, file_path, config_name): + cls.check_file(file_path, config_name) + with open(file_path) as file_stream: + try: + return yaml.load(file_stream) + except: + raise ConfigError( + "Error parsing yaml in file %r" % (file_path,) + ) + @staticmethod def default_path(name): return os.path.abspath(os.path.join(os.path.curdir, name)) diff --git a/synapse/config/homeserver.py b/synapse/config/homeserver.py index efbdd93c25..1c8ff38465 100644 --- a/synapse/config/homeserver.py +++ b/synapse/config/homeserver.py @@ -24,12 +24,13 @@ from .voip import VoipConfig from .registration import RegistrationConfig from .metrics import MetricsConfig from .appservice import AppServiceConfig +from .key import KeyConfig class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig, RatelimitConfig, ContentRepositoryConfig, CaptchaConfig, VoipConfig, RegistrationConfig, - MetricsConfig, AppServiceConfig,): + MetricsConfig, AppServiceConfig, KeyConfig,): pass diff --git a/synapse/config/key.py b/synapse/config/key.py new file mode 100644 index 0000000000..a2de6d5c17 --- /dev/null +++ b/synapse/config/key.py @@ -0,0 +1,147 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 OpenMarket Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import os +from ._base import Config, ConfigError +import syutil.crypto.signing_key +from syutil.crypto.signing_key import ( + is_signing_algorithm_supported, decode_verify_key_bytes +) +from syutil.base64util import decode_base64 + + +class KeyConfig(Config): + + def __init__(self, args): + super(KeyConfig, self).__init__(args) + self.signing_key = self.read_signing_key(args.signing_key_path) + self.old_signing_keys = self.read_old_signing_keys( + args.old_signing_key_path + ) + self.key_refresh_interval = args.key_refresh_interval + self.perspectives = self.read_perspectives( + args.perspectives_config_path + ) + + @classmethod + def add_arguments(cls, parser): + super(KeyConfig, cls).add_arguments(parser) + key_group = parser.add_argument_group("keys") + key_group.add_argument("--signing-key-path", + help="The signing key to sign messages with") + key_group.add_argument("--old-signing-key-path", + help="The keys that the server used to sign" + " sign messages with but won't use" + " to sign new messages. E.g. it has" + " lost its private key") + key_group.add_argument("--key-refresh-interval", + default=24 * 60 * 60 * 1000, # 1 Day + help="How long a key response is valid for." + " Used to set the exipiry in /key/v2/." + " Controls how frequently servers will" + " query what keys are still valid") + key_group.add_argument("--perspectives-config-path", + help="The trusted servers to download signing" + " keys from") + + def read_perspectives(self, perspectives_config_path): + config = self.read_yaml_file( + perspectives_config_path, "perspectives_config_path" + ) + servers = {} + for server_name, server_config in config["servers"].items(): + for key_id, key_data in server_config["verify_keys"].items(): + if is_signing_algorithm_supported(key_id): + key_base64 = key_data["key"] + key_bytes = decode_base64(key_base64) + verify_key = decode_verify_key_bytes(key_id, key_bytes) + servers.setdefault(server_name, {})[key_id] = verify_key + return servers + + def read_signing_key(self, signing_key_path): + signing_keys = self.read_file(signing_key_path, "signing_key") + try: + return syutil.crypto.signing_key.read_signing_keys( + signing_keys.splitlines(True) + ) + except Exception: + raise ConfigError( + "Error reading signing_key." + " Try running again with --generate-config" + ) + + def read_old_signing_keys(self, old_signing_key_path): + old_signing_keys = self.read_file( + old_signing_key_path, "old_signing_key" + ) + try: + return syutil.crypto.signing_key.read_old_signing_keys( + old_signing_keys.splitlines(True) + ) + except Exception: + raise ConfigError( + "Error reading old signing keys." + ) + + @classmethod + def generate_config(cls, args, config_dir_path): + super(KeyConfig, cls).generate_config(args, config_dir_path) + base_key_name = os.path.join(config_dir_path, args.server_name) + + args.pid_file = os.path.abspath(args.pid_file) + + if not args.signing_key_path: + args.signing_key_path = base_key_name + ".signing.key" + + if not os.path.exists(args.signing_key_path): + with open(args.signing_key_path, "w") as signing_key_file: + syutil.crypto.signing_key.write_signing_keys( + signing_key_file, + (syutil.crypto.signing_key.generate_signing_key("auto"),), + ) + else: + signing_keys = cls.read_file(args.signing_key_path, "signing_key") + if len(signing_keys.split("\n")[0].split()) == 1: + # handle keys in the old format. + key = syutil.crypto.signing_key.decode_signing_key_base64( + syutil.crypto.signing_key.NACL_ED25519, + "auto", + signing_keys.split("\n")[0] + ) + with open(args.signing_key_path, "w") as signing_key_file: + syutil.crypto.signing_key.write_signing_keys( + signing_key_file, + (key,), + ) + + if not args.old_signing_key_path: + args.old_signing_key_path = base_key_name + ".old.signing.keys" + + if not os.path.exists(args.old_signing_key_path): + with open(args.old_signing_key_path, "w"): + pass + + if not args.perspectives_config_path: + args.perspectives_config_path = base_key_name + ".perspectives" + + if not os.path.exists(args.perspectives_config_path): + with open(args.perspectives_config_path, "w") as perspectives_file: + perspectives_file.write( + 'servers:\n' + ' matrix.org:\n' + ' verify_keys:\n' + ' "ed25519:auto":\n' + ' key: "Noi6WqcDj0QmPxCNQqgezwTlBKrfqehY1u2FyWP9uYw"\n' + ) diff --git a/synapse/config/server.py b/synapse/config/server.py index d4c223f348..c25feb4c58 100644 --- a/synapse/config/server.py +++ b/synapse/config/server.py @@ -13,16 +13,13 @@ # See the License for the specific language governing permissions and # limitations under the License. -import os -from ._base import Config, ConfigError -import syutil.crypto.signing_key +from ._base import Config class ServerConfig(Config): def __init__(self, args): super(ServerConfig, self).__init__(args) self.server_name = args.server_name - self.signing_key = self.read_signing_key(args.signing_key_path) self.bind_port = args.bind_port self.bind_host = args.bind_host self.unsecure_port = args.unsecure_port @@ -53,8 +50,6 @@ class ServerConfig(Config): "This is used by remote servers to connect to this server, " "e.g. matrix.org, localhost:8080, etc." ) - server_group.add_argument("--signing-key-path", - help="The signing key to sign messages with") server_group.add_argument("-p", "--bind-port", metavar="PORT", type=int, help="https port to listen on", default=8448) @@ -83,46 +78,3 @@ class ServerConfig(Config): "Zero is used to indicate synapse " "should set the soft limit to the hard" "limit.") - - def read_signing_key(self, signing_key_path): - signing_keys = self.read_file(signing_key_path, "signing_key") - try: - return syutil.crypto.signing_key.read_signing_keys( - signing_keys.splitlines(True) - ) - except Exception: - raise ConfigError( - "Error reading signing_key." - " Try running again with --generate-config" - ) - - @classmethod - def generate_config(cls, args, config_dir_path): - super(ServerConfig, cls).generate_config(args, config_dir_path) - base_key_name = os.path.join(config_dir_path, args.server_name) - - args.pid_file = os.path.abspath(args.pid_file) - - if not args.signing_key_path: - args.signing_key_path = base_key_name + ".signing.key" - - if not os.path.exists(args.signing_key_path): - with open(args.signing_key_path, "w") as signing_key_file: - syutil.crypto.signing_key.write_signing_keys( - signing_key_file, - (syutil.crypto.signing_key.generate_signing_key("auto"),), - ) - else: - signing_keys = cls.read_file(args.signing_key_path, "signing_key") - if len(signing_keys.split("\n")[0].split()) == 1: - # handle keys in the old format. - key = syutil.crypto.signing_key.decode_signing_key_base64( - syutil.crypto.signing_key.NACL_ED25519, - "auto", - signing_keys.split("\n")[0] - ) - with open(args.signing_key_path, "w") as signing_key_file: - syutil.crypto.signing_key.write_signing_keys( - signing_key_file, - (key,), - ) |