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Move the key related config parser into a separate file

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This commit is contained in:
Mark Haines 2015-04-24 10:22:22 +01:00
parent 149ed9f151
commit c8c710eca7
3 changed files with 113 additions and 85 deletions
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3
synapse/config/homeserver.py
View File

@ -25,12 +25,13 @@ from .voip import VoipConfig
from .registration import RegistrationConfig from .registration import RegistrationConfig
from .metrics import MetricsConfig from .metrics import MetricsConfig
from .appservice import AppServiceConfig from .appservice import AppServiceConfig
from .key import KeyConfig
class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig, class HomeServerConfig(TlsConfig, ServerConfig, DatabaseConfig, LoggingConfig,
RatelimitConfig, ContentRepositoryConfig, CaptchaConfig, RatelimitConfig, ContentRepositoryConfig, CaptchaConfig,
EmailConfig, VoipConfig, RegistrationConfig, EmailConfig, VoipConfig, RegistrationConfig,
MetricsConfig, AppServiceConfig,): MetricsConfig, AppServiceConfig, KeyConfig,):
pass pass

110
synapse/config/key.py Normal file
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@ -0,0 +1,110 @@
# -*- 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
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
@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")
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

85
synapse/config/server.py
View File

@ -13,19 +13,13 @@
# See the License for the specific language governing permissions and # See the License for the specific language governing permissions and
# limitations under the License. # limitations under the License.
import os from ._base import Config
from ._base import Config, ConfigError
import syutil.crypto.signing_key
class ServerConfig(Config): class ServerConfig(Config):
def __init__(self, args): def __init__(self, args):
super(ServerConfig, self).__init__(args) super(ServerConfig, self).__init__(args)
self.server_name = args.server_name self.server_name = args.server_name
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.bind_port = args.bind_port self.bind_port = args.bind_port
self.bind_host = args.bind_host self.bind_host = args.bind_host
self.unsecure_port = args.unsecure_port self.unsecure_port = args.unsecure_port
@ -34,7 +28,6 @@ class ServerConfig(Config):
self.web_client = args.web_client self.web_client = args.web_client
self.manhole = args.manhole self.manhole = args.manhole
self.soft_file_limit = args.soft_file_limit self.soft_file_limit = args.soft_file_limit
self.key_refresh_interval = args.key_refresh_interval
if not args.content_addr: if not args.content_addr:
host = args.server_name host = args.server_name
@ -57,19 +50,6 @@ class ServerConfig(Config):
"This is used by remote servers to connect to this server, " "This is used by remote servers to connect to this server, "
"e.g. matrix.org, localhost:8080, etc." "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("--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")
server_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")
server_group.add_argument("-p", "--bind-port", metavar="PORT", server_group.add_argument("-p", "--bind-port", metavar="PORT",
type=int, help="https port to listen on", type=int, help="https port to listen on",
default=8448) default=8448)
@ -98,66 +78,3 @@ class ServerConfig(Config):
"Zero is used to indicate synapse " "Zero is used to indicate synapse "
"should set the soft limit to the hard" "should set the soft limit to the hard"
"limit.") "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"
)
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(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,),
)
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