FreedomBox/actions/shadowsocks
Joseph Nuthalapati 50e5608331
shadowsocks: Move user settings to state directory
Fixes #1775

Signed-off-by: Joseph Nuthalapati <njoseph@riseup.net>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2020-03-09 18:55:11 -04:00

100 lines
3.0 KiB
Python
Executable File

#!/usr/bin/python3
# SPDX-License-Identifier: AGPL-3.0-or-later
"""
Helper script for configuring Shadowsocks.
"""
import argparse
import json
import os
import subprocess
import sys
from plinth import action_utils
from plinth.modules import shadowsocks
SHADOWSOCKS_CONFIG_SYMLINK = '/etc/shadowsocks-libev/freedombox.json'
SHADOWSOCKS_CONFIG_ACTUAL = \
'/var/lib/private/shadowsocks-libev/freedombox/freedombox.json'
def parse_arguments():
"""Return parsed command line arguments as dictionary."""
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest='subcommand', help='Sub command')
subparsers.add_parser('setup', help='Perform initial setup steps')
subparsers.add_parser('get-config',
help='Read and print JSON config to stdout')
subparsers.add_parser('merge-config',
help='Merge JSON config from stdin with existing')
# Migrations
subparsers.add_parser(
'migrate-1-2',
help='Move shadowsocks config file to a secure location')
subparsers.required = True
return parser.parse_args()
def subcommand_setup(_):
"""Perform initial setup steps."""
# Only client socks5 proxy is supported for now. Disable the
# server component.
action_utils.service_disable('shadowsocks-libev')
if not os.path.islink(SHADOWSOCKS_CONFIG_SYMLINK):
os.symlink(SHADOWSOCKS_CONFIG_ACTUAL, SHADOWSOCKS_CONFIG_SYMLINK)
def subcommand_get_config(_):
"""Read and print Shadowsocks configuration."""
try:
print(open(SHADOWSOCKS_CONFIG_SYMLINK, 'r').read())
except Exception:
sys.exit(1)
def subcommand_merge_config(_):
"""Configure Shadowsocks."""
config = sys.stdin.read()
config = json.loads(config)
try:
current_config = open(SHADOWSOCKS_CONFIG_SYMLINK, 'r').read()
current_config = json.loads(current_config)
except (OSError, json.JSONDecodeError):
current_config = {}
new_config = current_config
new_config.update(config)
new_config = json.dumps(new_config, indent=4, sort_keys=True)
open(SHADOWSOCKS_CONFIG_SYMLINK, 'w').write(new_config)
action_utils.service_restart(shadowsocks.managed_services[0])
def subcommand_migrate_1_2(_):
"""Move shadowsocks config file to a secure location."""
if os.path.isfile(SHADOWSOCKS_CONFIG_SYMLINK): # ignoring symlinks
os.makedirs('/var/lib/private/shadowsocks-libev/freedombox/',
exist_ok=True)
os.replace(SHADOWSOCKS_CONFIG_SYMLINK, SHADOWSOCKS_CONFIG_ACTUAL)
os.symlink(SHADOWSOCKS_CONFIG_ACTUAL, SHADOWSOCKS_CONFIG_SYMLINK)
subprocess.check_call(['systemctl', 'daemon-reload'])
action_utils.service_restart(shadowsocks.managed_services[0])
def main():
"""Parse arguments and perform all duties."""
arguments = parse_arguments()
subcommand = arguments.subcommand.replace('-', '_')
subcommand_method = globals()['subcommand_' + subcommand]
subcommand_method(arguments)
if __name__ == '__main__':
main()