Sunil Mohan Adapa c4241abfe8
i2p: Add protection to local service using firewall
Tests:

- When app is freshly installed, nft rules are inserted.

- Trying to connect to local daemon from fbx user fails.

- Functional tests pass.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2022-12-05 20:47:04 -05:00

117 lines
4.3 KiB
Python

# SPDX-License-Identifier: AGPL-3.0-or-later
"""FreedomBox app to configure I2P."""
from django.utils.translation import gettext_lazy as _
from plinth import app as app_module
from plinth import frontpage, menu
from plinth.daemon import Daemon
from plinth.modules.apache.components import Webserver
from plinth.modules.backups.components import BackupRestore
from plinth.modules.firewall.components import (Firewall,
FirewallLocalProtection)
from plinth.modules.i2p.resources import FAVORITES
from plinth.modules.users.components import UsersAndGroups
from plinth.package import Packages
from . import manifest, privileged
_description = [
_('The Invisible Internet Project is an anonymous network layer intended '
'to protect communication from censorship and surveillance. I2P '
'provides anonymity by sending encrypted traffic through a '
'volunteer-run network distributed around the world.'),
_('Find more information about I2P on their project '
'<a href="https://geti2p.net" target="_blank">homepage</a>.'),
_('The first visit to the provided web interface will initiate the '
'configuration process.')
]
tunnels_to_manage = {
'I2P HTTP Proxy': 'i2p-http-proxy-freedombox',
'I2P HTTPS Proxy': 'i2p-https-proxy-freedombox',
'Irc2P': 'i2p-irc-freedombox'
}
class I2PApp(app_module.App):
"""FreedomBox app for I2P."""
app_id = 'i2p'
_version = 2
def __init__(self):
"""Create components for the app."""
super().__init__()
groups = {'i2p': _('Manage I2P application')}
info = app_module.Info(app_id=self.app_id, version=self._version,
name=_('I2P'), icon_filename='i2p',
short_description=_('Anonymity Network'),
description=_description, manual_page='I2P',
clients=manifest.clients)
self.add(info)
menu_item = menu.Menu('menu-i2p', info.name, info.short_description,
info.icon_filename, 'i2p:index',
parent_url_name='apps')
self.add(menu_item)
shortcut = frontpage.Shortcut('shortcut-i2p', info.name,
short_description=info.short_description,
icon=info.icon_filename, url='/i2p/',
clients=info.clients,
login_required=True,
allowed_groups=list(groups))
self.add(shortcut)
packages = Packages('packages-i2p', ['i2p'])
self.add(packages)
firewall = Firewall('firewall-i2p-web', info.name,
ports=['http', 'https'], is_external=True)
self.add(firewall)
firewall = Firewall('firewall-i2p-proxies', _('I2P Proxy'),
ports=tunnels_to_manage.values(),
is_external=False)
self.add(firewall)
firewall_local_protection = FirewallLocalProtection(
'firewall-local-protection-i2p', ['7657'])
self.add(firewall_local_protection)
webserver = Webserver('webserver-i2p', 'i2p-freedombox',
urls=['https://{host}/i2p/'])
self.add(webserver)
daemon = Daemon('daemon-i2p', 'i2p', listen_ports=[(7657, 'tcp6')])
self.add(daemon)
users_and_groups = UsersAndGroups('users-and-groups-i2p',
groups=groups)
self.add(users_and_groups)
backup_restore = BackupRestore('backup-restore-i2p', **manifest.backup)
self.add(backup_restore)
def setup(self, old_version):
"""Install and configure the app."""
super().setup(old_version)
if not old_version:
self.disable()
# Add favorites to the configuration
for fav in FAVORITES:
privileged.add_favorite(fav['name'], fav['url'],
fav.get('description'),
fav.get('icon'))
# Tunnels to all interfaces
for tunnel in tunnels_to_manage:
privileged.set_tunnel_property(tunnel, 'interface', '0.0.0.0')
self.enable()