cryptonas-archive/v0.3.5/plugins/volume_automount/volume_automount.py
2009-07-18 04:12:08 +00:00

120 lines
4 KiB
Python

#
# Copyright 2006 sense.lab e.V.
#
# This file is part of the CryptoBox.
#
# The CryptoBox is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# The CryptoBox 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with the CryptoBox; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
__revision__ = "$Id$"
import cryptobox.plugins.base
import cryptobox.core.container
from cryptobox.core.exceptions import *
class volume_automount(cryptobox.plugins.base.CryptoBoxPlugin):
plugin_capabilities = [ "volume" ]
plugin_visibility = [ "properties" ]
request_auth = False
rank = 80
true_string = "yes"
false_string = "no"
def do_action(self, action=None):
container = self.cbox.get_container(self.device)
if action is None:
pass
elif action == "enable":
self.__set_auto_mount(container, True)
self.hdf["Data.Success"] = "Plugins.volume_automount.AutoMountEnabled"
self.cbox.log.info("volume_automount: enabled for device '%s'" % self.device)
elif action == "disable":
self.__set_auto_mount(container, False)
self.hdf["Data.Success"] = "Plugins.volume_automount.AutoMountDisabled"
self.cbox.log.info("volume_automount: disabled for device '%s'" % self.device)
else:
self.cbox.log.info("volume_automount: invalid action (%s)" % str(action))
self.__prepare_hdf()
return "volume_automount"
def handle_event(self, event, event_info=None):
"""Override bootup behaviour.
Mount all volumes marked as 'automount'.
"""
cryptobox.plugins.base.CryptoBoxPlugin.handle_event(self, event, event_info)
if event == "bootup":
for cont in self.cbox.get_container_list():
if self.__is_auto_mount(cont) and not cont.is_mounted():
cont.mount()
def is_useful(self, device):
"""Automount does not work for encrypted volumes.
"""
cont = self.cbox.get_container(device)
if not cont:
return False
if cont.get_type() != cryptobox.core.container.CONTAINERTYPES["luks"]:
return True
return False
def get_status(self):
return str(self.__is_auto_mount(self.cbox.get_container(self.device)))
def __prepare_hdf(self):
if self.__is_auto_mount(self.cbox.get_container(self.device)):
self.hdf[self.hdf_prefix + "automount_setting"] = "1"
else:
self.hdf[self.hdf_prefix + "automount_setting"] = "0"
def __is_auto_mount(self, container):
if not container:
return False
## only valid for plain volumes
if container.get_type() != cryptobox.core.container.CONTAINERTYPES["plain"]:
return False
if "_automount_names" in self.prefs:
if container.get_name() in self.prefs["_automount_names"]:
return True
else:
return False
else:
return False
def __set_auto_mount(self, container, state):
if state == self.__is_auto_mount(container):
return
name = container.get_name()
if not "_automount_names" in self.prefs:
self.prefs["_automount_names"] = []
if state:
self.prefs["_automount_names"].append(name)
else:
self.prefs["_automount_names"].remove(name)
try:
self.cbox.prefs.plugin_conf.write()
except IOError:
self.cbox.log.warn("Failed to store plugin configuration")