Sunil Mohan Adapa 09e8a75930 tor: Implement enabling/disabling
- Reorganize hidden service information
2015-07-28 18:10:03 +05:30

134 lines
4.3 KiB
Python

#
# This file is part of Plinth.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""
Plinth module for configuring Tor
"""
from django import forms
from django.contrib import messages
from django.template.response import TemplateResponse
from gettext import gettext as _
from plinth import actions
from plinth import action_utils
from plinth import cfg
from plinth import package
class TorForm(forms.Form): # pylint: disable=W0232
"""Tor configuration form"""
enabled = forms.BooleanField(
label=_('Enable Tor'),
required=False)
hs_enabled = forms.BooleanField(
label=_('Enable Tor Hidden Service'),
required=False,
help_text=_('A hidden service will allow FreedomBox to provide '
'selected services (such as ownCloud or Chat) without '
'revealing its location.'))
def init():
"""Initialize the Tor module."""
menu = cfg.main_menu.get('apps:index')
menu.add_urlname(_('Anonymity Network (Tor)'), 'glyphicon-eye-close',
'tor:index', 100)
@package.required(['tor'])
def index(request):
"""Service the index page"""
status = get_status()
form = None
if request.method == 'POST':
form = TorForm(request.POST, prefix='tor')
# pylint: disable=E1101
if form.is_valid():
_apply_changes(request, status, form.cleaned_data)
status = get_status()
form = TorForm(initial=status, prefix='tor')
else:
form = TorForm(initial=status, prefix='tor')
return TemplateResponse(request, 'tor.html',
{'title': _('Tor Control Panel'),
'status': status,
'form': form})
def get_status():
"""Return the current status"""
output = actions.superuser_run('tor', ['get-ports'])
port_info = output.split('\n')
ports = {}
for line in port_info:
try:
(key, val) = line.split()
ports[key] = val
except ValueError:
continue
output = actions.superuser_run('tor', ['get-hs'])
output = output.strip()
if output == '':
hs_enabled = False
hs_hostname = 'Not Configured'
hs_ports = ''
elif output == 'error':
hs_enabled = False
hs_hostname = 'Not available (Run Tor at least once)'
hs_ports = ''
else:
hs_enabled = True
hs_info = output.split()
hs_hostname = hs_info[0]
hs_ports = hs_info[1]
return {'enabled': action_utils.service_is_enabled('tor'),
'is_running': action_utils.service_is_running('tor'),
'ports': ports,
'hs_enabled': hs_enabled,
'hs_hostname': hs_hostname,
'hs_ports': hs_ports}
def _apply_changes(request, old_status, new_status):
"""Apply the changes."""
if old_status['enabled'] == new_status['enabled'] and \
old_status['hs_enabled'] == new_status['hs_enabled']:
messages.info(request, _('Setting unchanged'))
return
if old_status['enabled'] != new_status['enabled']:
if new_status['enabled']:
messages.success(request, _('Tor enabled'))
actions.superuser_run('tor', ['enable'])
else:
messages.success(request, _('Tor disabled'))
actions.superuser_run('tor', ['disable'])
if old_status['hs_enabled'] != new_status['hs_enabled']:
if new_status['hs_enabled']:
messages.success(request, _('Tor hidden service enabled'))
actions.superuser_run('tor', ['enable-hs'])
else:
messages.success(request, _('Tor hidden service disabled'))
actions.superuser_run('tor', ['disable-hs'])