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# SPDX-License-Identifier: AGPL-3.0-or-later
"""FreedomBox app to configure Shadowsocks Server."""
from django.urls import reverse_lazy
from django.utils.translation import gettext_lazy as _
from plinth import app as app_module
from plinth import cfg, frontpage, menu
from plinth.daemon import Daemon
from plinth.modules.backups.components import BackupRestore
from plinth.modules.firewall.components import Firewall
from plinth.package import Packages
from plinth.utils import format_lazy
from . import manifest, privileged
_description = [
_('Shadowsocks is a tool for securely forwarding network requests to a'
' remote server. It consists of two parts: (1) a Shadowsocks server,'
' and (2) a Shadowsocks client with a SOCKS5 proxy.'),
_('Shadowsocks can be used to bypass Internet filtering and '
'censorship. This requires that the Shadowsocks server is in a '
'location where it can freely access the Internet, without '
'filtering.'),
format_lazy(
_('Your {box_name} can run a Shadowsocks server, that allows '
'Shadowsocks clients to connect to it. Clients\' data will be '
'encrypted and proxied through this server.'),
box_name=_(cfg.box_name)),
]
class ShadowsocksServerApp(app_module.App):
"""FreedomBox app for Shadowsocks Server."""
app_id = 'shadowsocksserver'
_version = 1
DAEMON = 'shadowsocks-libev-server@fbxserver'
def __init__(self) -> None:
"""Create components for the app."""
super().__init__()
info = app_module.Info(app_id=self.app_id, version=self._version,
name=_('Shadowsocks Server'),
icon_filename='shadowsocks',
description=_description,
manual_page='Shadowsocks', tags=manifest.tags)
self.add(info)
menu_item = menu.Menu('menu-shadowsocks-server', info.name,
info.icon_filename, info.tags,
'shadowsocksserver:index',
parent_url_name='apps')
self.add(menu_item)
shortcut = frontpage.Shortcut(
'shortcut-shadowsocks-server', info.name, icon=info.icon_filename,
description=info.description, manual_page=info.manual_page,
configure_url=reverse_lazy('shadowsocksserver:index'),
tags=info.tags, login_required=True)
self.add(shortcut)
packages = Packages('packages-shadowsocks-server',
['shadowsocks-libev'])
self.add(packages)
firewall = Firewall('firewall-shadowsocks-server', info.name,
ports=['shadowsocks-server-freedombox'],
is_external=True)
self.add(firewall)
daemon = Daemon(
'daemon-shadowsocks-server', self.DAEMON,
listen_ports=[(8388, 'tcp4'), (8388, 'tcp6'), (8388, 'udp4'),
(8388, 'udp6')])
self.add(daemon)
backup_restore = BackupRestore('backup-restore-shadowsocks-server',
**manifest.backup)
self.add(backup_restore)
def setup(self, old_version):
"""Install and configure the app."""
super().setup(old_version)
privileged.setup()
if not old_version:
self.enable()
def uninstall(self):
"""De-configure and uninstall the app."""
super().uninstall()
privileged.uninstall()
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