mirror of
https://github.com/freedombox/FreedomBox.git
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tor: Refactor into separate files for forms/views
This commit is contained in:
James Valleroy
Sunil Mohan Adapa
parent
506bff5c7b
commit
376b5c6feb
@ -16,20 +16,177 @@
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#
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"""
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Plinth module to configure Tor
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Plinth module to configure Tor.
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"""
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import augeas
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from django.utils.translation import ugettext as _
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import glob
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import itertools
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from . import tor
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from .tor import init
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from plinth import actions
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from plinth import action_utils
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from plinth import cfg
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from plinth.modules.names import SERVICES
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from plinth.signals import domain_added
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__all__ = ['tor', 'init']
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depends = ['plinth.modules.apps', 'plinth.modules.names']
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APT_SOURCES_URI_PATHS = ('/files/etc/apt/sources.list/*/uri',
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'/files/etc/apt/sources.list.d/*/*/uri')
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APT_TOR_PREFIX = 'tor+'
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def init():
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"""Initialize the module."""
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menu = cfg.main_menu.get('apps:index')
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menu.add_urlname(_('Anonymity Network (Tor)'), 'glyphicon-eye-close',
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'tor:index', 100)
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# Register hidden service name with Name Services module.
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(hs_enabled, hs_hostname, hs_ports) = get_hs()
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if is_enabled() and is_running() and hs_enabled and hs_hostname:
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hs_services = []
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for service in SERVICES:
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if str(service[2]) in hs_ports:
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hs_services.append(service[0])
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else:
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hs_hostname = None
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hs_services = None
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domain_added.send_robust(
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sender='tor', domain_type='hiddenservice',
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name=hs_hostname, description=_('Tor Hidden Service'),
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services=hs_services)
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def is_enabled():
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"""Return whether the module is enabled."""
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return action_utils.service_is_enabled('tor')
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def is_running():
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"""Return whether the service is running."""
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return action_utils.service_is_running('tor')
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def get_status():
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"""Return current Tor status."""
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output = actions.superuser_run('tor', ['get-ports'])
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port_info = output.split('\n')
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ports = {}
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for line in port_info:
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try:
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(key, val) = line.split()
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ports[key] = val
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except ValueError:
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continue
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(hs_enabled, hs_hostname, hs_ports) = get_hs()
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return {'enabled': is_enabled(),
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'is_running': is_running(),
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'ports': ports,
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'hs_enabled': hs_enabled,
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'hs_hostname': hs_hostname,
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'hs_ports': hs_ports,
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'apt_transport_tor_enabled': is_apt_transport_tor_enabled()}
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def get_hs():
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"""Return hidden service status."""
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output = actions.superuser_run('tor', ['get-hs'])
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output = output.strip()
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if output == '':
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hs_enabled = False
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hs_hostname = 'Not Configured'
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hs_ports = ''
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elif output == 'error':
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hs_enabled = False
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hs_hostname = 'Not available (Run Tor at least once)'
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hs_ports = ''
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else:
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hs_enabled = True
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hs_info = output.split()
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hs_hostname = hs_info[0]
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hs_ports = hs_info[1]
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return (hs_enabled, hs_hostname, hs_ports)
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def get_augeas():
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"""Return an instance of Augeaus for processing APT configuration."""
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aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
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augeas.Augeas.NO_MODL_AUTOLOAD)
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aug.set('/augeas/load/Aptsources/lens', 'Aptsources.lns')
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aug.set('/augeas/load/Aptsources/incl[last() + 1]', '/etc/apt/sources.list')
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aug.set('/augeas/load/Aptsources/incl[last() + 1]',
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'/etc/apt/sources.list.d/*.list')
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aug.load()
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# Currently, augeas does not handle Deb822 format, it error out.
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if aug.match('/augeas/files/etc/apt/sources.list/error') or \
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aug.match('/augeas/files/etc/apt/sources.list.d//error'):
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raise Exception('Error parsing sources list')
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# Starting with Apt 1.1, /etc/apt/sources.list.d/*.sources will
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# contain files with Deb822 format. If they are found, error out
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# for now. XXX: Provide proper support Deb822 format with a new
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# Augeas lens.
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if glob.glob('/etc/apt/sources.list.d/*.sources'):
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raise Exception('Can not handle Deb822 source files')
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return aug
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def iter_apt_uris(aug):
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"""Iterate over all the APT source URIs."""
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return itertools.chain.from_iterable([aug.match(path)
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for path in APT_SOURCES_URI_PATHS])
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def get_real_apt_uri_path(aug, path):
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"""Return the actual path which contains APT URL.
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XXX: This is a workaround for Augeas bug parsing Apt source files
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with '[options]'. Remove this workaround after Augeas lens is
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fixed.
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"""
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uri = aug.get(path)
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if uri[0] == '[':
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parent_path = path.rsplit('/', maxsplit=1)[0]
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skipped = False
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for child_path in aug.match(parent_path + '/*')[1:]:
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if skipped:
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return child_path
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value = aug.get(child_path)
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if value[-1] == ']':
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skipped = True
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return path
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def is_apt_transport_tor_enabled():
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"""Return whether APT is set to download packages over Tor."""
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try:
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aug = get_augeas()
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except Exception:
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# If there was an error with parsing or there are Deb822
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# files.
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return False
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for uri_path in iter_apt_uris(aug):
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uri_path = get_real_apt_uri_path(aug, uri_path)
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uri = aug.get(uri_path)
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if not uri.startswith(APT_TOR_PREFIX) and \
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(uri.startswith('http://') or uri.startswith('https://')):
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return False
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return True
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def diagnose():
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"""Run diagnostics and return the results."""
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47
plinth/modules/tor/forms.py
Normal file
47
plinth/modules/tor/forms.py
Normal file
@ -0,0 +1,47 @@
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#
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# This file is part of Plinth.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Forms for configuring Tor.
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"""
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from django import forms
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from django.utils.translation import ugettext_lazy as _
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from plinth import cfg
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from plinth.utils import format_lazy
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class TorForm(forms.Form): # pylint: disable=W0232
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"""Tor configuration form."""
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enabled = forms.BooleanField(
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label=_('Enable Tor'),
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required=False)
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hs_enabled = forms.BooleanField(
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label=_('Enable Tor Hidden Service'),
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required=False,
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help_text=format_lazy(_(
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'A hidden service will allow {box_name} to provide selected '
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'services (such as ownCloud or chat) without revealing its '
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'location.'), box_name=_(cfg.box_name)))
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apt_transport_tor_enabled = forms.BooleanField(
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label=_('Download software packages over Tor'),
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required=False,
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help_text=_('When enabled, software will be downloaded over the Tor '
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'network for installations and upgrades. This adds a '
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'degree of privacy and security during software '
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'downloads.'))
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@ -22,7 +22,7 @@ Tests for Tor module.
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import os
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import unittest
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from ..tor import is_apt_transport_tor_enabled, get_hs, get_status
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from plinth.modules.tor import is_apt_transport_tor_enabled, get_hs, get_status
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euid = os.geteuid()
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@ -1,297 +0,0 @@
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#
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# This file is part of Plinth.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Plinth module for configuring Tor
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"""
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import augeas
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from django import forms
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from django.contrib import messages
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from django.template.response import TemplateResponse
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from django.utils.translation import ugettext_lazy as _
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import glob
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import itertools
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from plinth import actions
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from plinth import action_utils
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from plinth import cfg
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from plinth import package
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from plinth.errors import ActionError
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from plinth.modules.names import SERVICES
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from plinth.signals import domain_added, domain_removed
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from plinth.utils import format_lazy
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APT_SOURCES_URI_PATHS = ('/files/etc/apt/sources.list/*/uri',
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'/files/etc/apt/sources.list.d/*/*/uri')
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APT_TOR_PREFIX = 'tor+'
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class TorForm(forms.Form): # pylint: disable=W0232
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"""Tor configuration form"""
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enabled = forms.BooleanField(
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label=_('Enable Tor'),
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required=False)
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hs_enabled = forms.BooleanField(
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label=_('Enable Tor Hidden Service'),
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required=False,
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help_text=format_lazy(_(
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'A hidden service will allow {box_name} to provide selected '
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'services (such as ownCloud or chat) without revealing its '
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'location.'), box_name=_(cfg.box_name)))
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apt_transport_tor_enabled = forms.BooleanField(
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label=_('Download software packages over Tor'),
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required=False,
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help_text=_('When enabled, software will be downloaded over the Tor '
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'network for installations and upgrades. This adds a '
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'degree of privacy and security during software '
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'downloads.'))
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def init():
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"""Initialize the Tor module."""
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menu = cfg.main_menu.get('apps:index')
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menu.add_urlname(_('Anonymity Network (Tor)'), 'glyphicon-eye-close',
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'tor:index', 100)
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# Register hidden service name with Name Services module.
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enabled = action_utils.service_is_enabled('tor')
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is_running = action_utils.service_is_running('tor')
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(hs_enabled, hs_hostname, hs_ports) = get_hs()
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if enabled and is_running and hs_enabled and hs_hostname:
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hs_services = []
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for service in SERVICES:
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if str(service[2]) in hs_ports:
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hs_services.append(service[0])
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else:
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hs_hostname = None
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hs_services = None
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domain_added.send_robust(
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sender='tor', domain_type='hiddenservice',
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name=hs_hostname, description=_('Tor Hidden Service'),
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services=hs_services)
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def on_install():
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"""Setup Tor configuration as soon as it is installed."""
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actions.superuser_run('tor', ['setup'])
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actions.superuser_run('tor', ['enable-apt-transport-tor'])
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@package.required(['tor', 'tor-geoipdb', 'torsocks', 'obfs4proxy',
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'apt-transport-tor'],
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on_install=on_install)
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def index(request):
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"""Service the index page"""
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status = get_status()
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form = None
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if request.method == 'POST':
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form = TorForm(request.POST, prefix='tor')
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# pylint: disable=E1101
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if form.is_valid():
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_apply_changes(request, status, form.cleaned_data)
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status = get_status()
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form = TorForm(initial=status, prefix='tor')
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else:
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form = TorForm(initial=status, prefix='tor')
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return TemplateResponse(request, 'tor.html',
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{'title': _('Tor Control Panel'),
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'status': status,
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'form': form})
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def get_augeas():
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"""Return an instance of Augeaus for processing APT configuration."""
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aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
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augeas.Augeas.NO_MODL_AUTOLOAD)
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aug.set('/augeas/load/Aptsources/lens', 'Aptsources.lns')
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aug.set('/augeas/load/Aptsources/incl[last() + 1]', '/etc/apt/sources.list')
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aug.set('/augeas/load/Aptsources/incl[last() + 1]',
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'/etc/apt/sources.list.d/*.list')
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aug.load()
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# Currently, augeas does not handle Deb822 format, it error out.
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if aug.match('/augeas/files/etc/apt/sources.list/error') or \
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aug.match('/augeas/files/etc/apt/sources.list.d//error'):
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raise Exception('Error parsing sources list')
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|
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# Starting with Apt 1.1, /etc/apt/sources.list.d/*.sources will
|
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# contain files with Deb822 format. If they are found, error out
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# for now. XXX: Provide proper support Deb822 format with a new
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# Augeas lens.
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if glob.glob('/etc/apt/sources.list.d/*.sources'):
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raise Exception('Can not handle Deb822 source files')
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return aug
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def iter_apt_uris(aug):
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"""Iterate over all the APT source URIs."""
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return itertools.chain.from_iterable([aug.match(path)
|
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for path in APT_SOURCES_URI_PATHS])
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def get_real_apt_uri_path(aug, path):
|
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"""Return the actual path which contains APT URL.
|
||||
|
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XXX: This is a workaround for Augeas bug parsing Apt source files
|
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with '[options]'. Remove this workaround after Augeas lens is
|
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fixed.
|
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"""
|
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uri = aug.get(path)
|
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if uri[0] == '[':
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parent_path = path.rsplit('/', maxsplit=1)[0]
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skipped = False
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for child_path in aug.match(parent_path + '/*')[1:]:
|
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if skipped:
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return child_path
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value = aug.get(child_path)
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if value[-1] == ']':
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skipped = True
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return path
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def is_apt_transport_tor_enabled():
|
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"""Return whether APT is set to download packages over Tor."""
|
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try:
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aug = get_augeas()
|
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except Exception:
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# If there was an error with parsing or there are Deb822
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# files.
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return False
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for uri_path in iter_apt_uris(aug):
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uri_path = get_real_apt_uri_path(aug, uri_path)
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uri = aug.get(uri_path)
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if not uri.startswith(APT_TOR_PREFIX) and \
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(uri.startswith('http://') or uri.startswith('https://')):
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return False
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return True
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def get_hs():
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output = actions.superuser_run('tor', ['get-hs'])
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output = output.strip()
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if output == '':
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hs_enabled = False
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hs_hostname = 'Not Configured'
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hs_ports = ''
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elif output == 'error':
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hs_enabled = False
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hs_hostname = 'Not available (Run Tor at least once)'
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hs_ports = ''
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else:
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hs_enabled = True
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hs_info = output.split()
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hs_hostname = hs_info[0]
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hs_ports = hs_info[1]
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return (hs_enabled, hs_hostname, hs_ports)
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def get_status():
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"""Return the current status"""
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output = actions.superuser_run('tor', ['get-ports'])
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port_info = output.split('\n')
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ports = {}
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for line in port_info:
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try:
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(key, val) = line.split()
|
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ports[key] = val
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except ValueError:
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continue
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(hs_enabled, hs_hostname, hs_ports) = get_hs()
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return {'enabled': action_utils.service_is_enabled('tor'),
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'is_running': action_utils.service_is_running('tor'),
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'ports': ports,
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'hs_enabled': hs_enabled,
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'hs_hostname': hs_hostname,
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'hs_ports': hs_ports,
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'apt_transport_tor_enabled': is_apt_transport_tor_enabled()}
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def _apply_changes(request, old_status, new_status):
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"""Try to apply changes and handle errors."""
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try:
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__apply_changes(request, old_status, new_status)
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except ActionError as exception:
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messages.error(request, _('Action error: {0} [{1}] [{2}]').format(
|
||||
exception.args[0], exception.args[1], exception.args[2]))
|
||||
|
||||
|
||||
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'] and \
|
||||
old_status['apt_transport_tor_enabled'] == \
|
||||
new_status['apt_transport_tor_enabled']:
|
||||
messages.info(request, _('Setting unchanged'))
|
||||
return
|
||||
|
||||
if old_status['enabled'] != new_status['enabled']:
|
||||
if new_status['enabled']:
|
||||
actions.superuser_run('tor', ['enable'])
|
||||
messages.success(request, _('Tor enabled'))
|
||||
else:
|
||||
actions.superuser_run('tor', ['disable'])
|
||||
messages.success(request, _('Tor disabled'))
|
||||
|
||||
if old_status['hs_enabled'] != new_status['hs_enabled']:
|
||||
if new_status['hs_enabled']:
|
||||
actions.superuser_run('tor', ['enable-hs'])
|
||||
messages.success(request, _('Tor hidden service enabled'))
|
||||
else:
|
||||
actions.superuser_run('tor', ['disable-hs'])
|
||||
messages.success(request, _('Tor hidden service disabled'))
|
||||
|
||||
# Update hidden service name registered with Name Services module.
|
||||
domain_removed.send_robust(
|
||||
sender='tor', domain_type='hiddenservice')
|
||||
|
||||
enabled = action_utils.service_is_enabled('tor')
|
||||
is_running = action_utils.service_is_running('tor')
|
||||
(hs_enabled, hs_hostname, hs_ports) = get_hs()
|
||||
|
||||
if enabled and is_running and hs_enabled and hs_hostname:
|
||||
hs_services = []
|
||||
for service in SERVICES:
|
||||
if str(service[2]) in hs_ports:
|
||||
hs_services.append(service[0])
|
||||
|
||||
domain_added.send_robust(
|
||||
sender='tor', domain_type='hiddenservice',
|
||||
name=hs_hostname, description=_('Tor Hidden Service'),
|
||||
services=hs_services)
|
||||
|
||||
if old_status['apt_transport_tor_enabled'] != \
|
||||
new_status['apt_transport_tor_enabled']:
|
||||
if new_status['apt_transport_tor_enabled']:
|
||||
actions.superuser_run('tor', ['enable-apt-transport-tor'])
|
||||
messages.success(request, _('Enabled package download over Tor'))
|
||||
else:
|
||||
actions.superuser_run('tor', ['disable-apt-transport-tor'])
|
||||
messages.success(request, _('Disabled package download over Tor'))
|
||||
@ -16,12 +16,12 @@
|
||||
#
|
||||
|
||||
"""
|
||||
URLs for the Tor module
|
||||
URLs for the Tor module.
|
||||
"""
|
||||
|
||||
from django.conf.urls import url
|
||||
|
||||
from . import tor as views
|
||||
from . import views
|
||||
|
||||
|
||||
urlpatterns = [
|
||||
|
||||
127
plinth/modules/tor/views.py
Normal file
127
plinth/modules/tor/views.py
Normal file
@ -0,0 +1,127 @@
|
||||
#
|
||||
# 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.contrib import messages
|
||||
from django.template.response import TemplateResponse
|
||||
from django.utils.translation import ugettext_lazy as _
|
||||
|
||||
from .forms import TorForm
|
||||
from plinth import actions
|
||||
from plinth import action_utils
|
||||
from plinth import package
|
||||
from plinth.errors import ActionError
|
||||
from plinth.modules import tor
|
||||
from plinth.modules.names import SERVICES
|
||||
from plinth.signals import domain_added, domain_removed
|
||||
|
||||
|
||||
def on_install():
|
||||
"""Setup Tor configuration as soon as it is installed."""
|
||||
actions.superuser_run('tor', ['setup'])
|
||||
actions.superuser_run('tor', ['enable-apt-transport-tor'])
|
||||
|
||||
|
||||
@package.required(['tor', 'tor-geoipdb', 'torsocks', 'obfs4proxy',
|
||||
'apt-transport-tor'],
|
||||
on_install=on_install)
|
||||
def index(request):
|
||||
"""Serve configuration page."""
|
||||
status = tor.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 = tor.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 _apply_changes(request, old_status, new_status):
|
||||
"""Try to apply changes and handle errors."""
|
||||
try:
|
||||
__apply_changes(request, old_status, new_status)
|
||||
except ActionError as exception:
|
||||
messages.error(request, _('Action error: {0} [{1}] [{2}]').format(
|
||||
exception.args[0], exception.args[1], exception.args[2]))
|
||||
|
||||
|
||||
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'] and \
|
||||
old_status['apt_transport_tor_enabled'] == \
|
||||
new_status['apt_transport_tor_enabled']:
|
||||
messages.info(request, _('Setting unchanged'))
|
||||
return
|
||||
|
||||
if old_status['enabled'] != new_status['enabled']:
|
||||
if new_status['enabled']:
|
||||
actions.superuser_run('tor', ['enable'])
|
||||
messages.success(request, _('Tor enabled'))
|
||||
else:
|
||||
actions.superuser_run('tor', ['disable'])
|
||||
messages.success(request, _('Tor disabled'))
|
||||
|
||||
if old_status['hs_enabled'] != new_status['hs_enabled']:
|
||||
if new_status['hs_enabled']:
|
||||
actions.superuser_run('tor', ['enable-hs'])
|
||||
messages.success(request, _('Tor hidden service enabled'))
|
||||
else:
|
||||
actions.superuser_run('tor', ['disable-hs'])
|
||||
messages.success(request, _('Tor hidden service disabled'))
|
||||
|
||||
# Update hidden service name registered with Name Services module.
|
||||
domain_removed.send_robust(
|
||||
sender='tor', domain_type='hiddenservice')
|
||||
|
||||
enabled = action_utils.service_is_enabled('tor')
|
||||
is_running = action_utils.service_is_running('tor')
|
||||
(hs_enabled, hs_hostname, hs_ports) = tor.get_hs()
|
||||
|
||||
if enabled and is_running and hs_enabled and hs_hostname:
|
||||
hs_services = []
|
||||
for service in SERVICES:
|
||||
if str(service[2]) in hs_ports:
|
||||
hs_services.append(service[0])
|
||||
|
||||
domain_added.send_robust(
|
||||
sender='tor', domain_type='hiddenservice',
|
||||
name=hs_hostname, description=_('Tor Hidden Service'),
|
||||
services=hs_services)
|
||||
|
||||
if old_status['apt_transport_tor_enabled'] != \
|
||||
new_status['apt_transport_tor_enabled']:
|
||||
if new_status['apt_transport_tor_enabled']:
|
||||
actions.superuser_run('tor', ['enable-apt-transport-tor'])
|
||||
messages.success(request, _('Enabled package download over Tor'))
|
||||
else:
|
||||
actions.superuser_run('tor', ['disable-apt-transport-tor'])
|
||||
messages.success(request, _('Disabled package download over Tor'))
|
||||
Loading…
x
Reference in New Issue
Block a user