Sunil Mohan Adapa 9368504da5
*.py: Use SPDX license identifier
Reviewed-by: Veiko Aasa <veiko17@disroot.org>
2020-02-19 14:38:55 +02:00

174 lines
5.0 KiB
Python

# SPDX-License-Identifier: AGPL-3.0-or-later
"""
FreedomBox app for basic system configuration.
"""
import os
import socket
import augeas
from django.utils.translation import ugettext_lazy as _
from plinth import actions
from plinth import app as app_module
from plinth import frontpage, menu
from plinth.modules.names.components import DomainType
from plinth.signals import domain_added
version = 2
is_essential = True
_description = [
_('Here you can set some general configuration options '
'like hostname, domain name, webserver home page etc.')
]
depends = ['apache', 'firewall', 'names']
APACHE_CONF_ENABLED_DIR = '/etc/apache2/conf-enabled'
APACHE_HOMEPAGE_CONF_FILE_NAME = 'freedombox-apache-homepage.conf'
APACHE_HOMEPAGE_CONFIG = os.path.join(APACHE_CONF_ENABLED_DIR,
APACHE_HOMEPAGE_CONF_FILE_NAME)
FREEDOMBOX_APACHE_CONFIG = os.path.join(APACHE_CONF_ENABLED_DIR,
'freedombox.conf')
ADVANCED_MODE_KEY = 'advanced_mode'
app = None
class ConfigApp(app_module.App):
"""FreedomBox app for basic system configuration."""
app_id = 'config'
def __init__(self):
"""Create components for the app."""
super().__init__()
info = app_module.Info(app_id=self.app_id, version=version,
is_essential=is_essential, depends=depends,
name=_('General Configuration'), icon='fa-cog',
description=_description,
manual_page='Configure')
self.add(info)
menu_item = menu.Menu('menu-config', _('Configure'), None, info.icon,
'config:index', parent_url_name='system')
self.add(menu_item)
domain_type = DomainType('domain-type-static', _('Domain Name'),
'config:index', can_have_certificate=True)
self.add(domain_type)
def get_domainname():
"""Return the domainname"""
fqdn = socket.getfqdn()
return '.'.join(fqdn.split('.')[1:])
def get_hostname():
"""Return the hostname"""
return socket.gethostname()
def _get_home_page_url():
"""Get the default application for the domain."""
aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
augeas.Augeas.NO_MODL_AUTOLOAD)
aug.set('/augeas/load/Httpd/lens', 'Httpd.lns')
conf_file = APACHE_HOMEPAGE_CONFIG if os.path.exists(
APACHE_HOMEPAGE_CONFIG) else FREEDOMBOX_APACHE_CONFIG
aug.set('/augeas/load/Httpd/incl[last() + 1]', conf_file)
aug.load()
aug.defvar('conf', '/files' + conf_file)
for match in aug.match('/files' + conf_file +
'/directive["RedirectMatch"]'):
if aug.get(match + "/arg[1]") == '''"^/$"''':
return aug.get(match + "/arg[2]").strip('"')
return None
def get_home_page():
"""Return the shortcut ID that is set as current home page."""
url = _get_home_page_url()
if url in ['/plinth/', '/plinth', 'plinth']:
return 'plinth'
if url == '/index.html':
return 'apache-default'
shortcuts = frontpage.Shortcut.list()
for shortcut in shortcuts:
if shortcut.url == url:
return shortcut.component_id
return None
def change_home_page(shortcut_id):
"""Change the FreedomBox's default redirect to URL of the shortcut
specified.
"""
if shortcut_id == 'plinth':
url = '/plinth/'
elif shortcut_id == 'apache-default':
url = '/index.html'
else:
shortcuts = frontpage.Shortcut.list()
url = [
shortcut.url for shortcut in shortcuts
if shortcut.component_id == shortcut_id
][0]
# URL may be a reverse_lazy() proxy
actions.superuser_run('config', ['set-home-page', str(url)])
def get_advanced_mode():
"""Get whether option is enabled."""
from plinth import kvstore
return kvstore.get_default(ADVANCED_MODE_KEY, False)
def set_advanced_mode(advanced_mode):
"""Turn on/off advanced mode."""
from plinth import kvstore
kvstore.set(ADVANCED_MODE_KEY, advanced_mode)
def init():
"""Initialize the module"""
global app
app = ConfigApp()
app.set_enabled(True)
# Register domain with Name Services module.
domainname = get_domainname()
if domainname:
domain_added.send_robust(sender='config',
domain_type='domain-type-static',
name=domainname, services='__all__')
def setup(helper, old_version=None):
"""Install and configure the module."""
_migrate_home_page_config()
def _migrate_home_page_config():
"""Move the home page configuration to an external file."""
# Hold the current home page in a variable
home_page = get_home_page()
# Reset the home page to plinth in freedombox.conf
actions.superuser_run('config', ['reset-home-page'])
# Write the home page setting into the new conf file
# This step is run at the end because it reloads the Apache server
change_home_page(home_page)