qubes-core-admin-linux/qubesappmenus/__init__.py
2016-08-08 00:51:47 +02:00

357 lines
13 KiB
Python

#!/usr/bin/python2
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2010 Joanna Rutkowska <joanna@invisiblethingslab.com>
# Copyright (C) 2013 Marek Marczykowski <marmarek@invisiblethingslab.com>
#
# This program 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.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
import subprocess
import sys
import os
import os.path
import shutil
import dbus
import qubes.ext
import qubesimgconverter
class AppmenusSubdirs:
templates_subdir = 'apps.templates'
template_icons_subdir = 'apps.tempicons'
subdir = 'apps'
icons_subdir = 'apps.icons'
template_templates_subdir = 'apps-template.templates'
whitelist = 'whitelisted-appmenus.list'
class AppmenusPaths:
appmenu_start_hvm_template = \
'/usr/share/qubes-appmenus/qubes-start.desktop'
appmenu_create_cmd = \
'/usr/libexec/qubes-appmenus/create-apps-for-appvm.sh'
appmenu_remove_cmd = \
'/usr/libexec/qubes-appmenus/remove-appvm-appmenus.sh'
class AppmenusExtension(qubes.ext.Extension):
def __init__(self, *args):
super(AppmenusExtension, self).__init__(*args)
import qubes.vm.qubesvm
def templates_dir(self, vm):
"""
:type vm: qubes.vm.qubesvm.QubesVM
"""
if vm.updateable:
return os.path.join(vm.dir_path,
AppmenusSubdirs.templates_subdir)
elif hasattr(vm, 'template'):
return self.templates_dir(vm.template)
else:
return None
def template_icons_dir(self, vm):
if vm.updateable:
return os.path.join(vm.dir_path,
AppmenusSubdirs.template_icons_subdir)
elif hasattr(vm, 'template'):
return self.template_icons_dir(vm.template)
else:
return None
def appmenus_dir(self, vm):
return os.path.join(vm.dir_path, AppmenusSubdirs.subdir)
def icons_dir(self, vm):
return os.path.join(vm.dir_path, AppmenusSubdirs.icons_subdir)
def appmenus_create(self, vm, source_template=None):
if source_template is None and hasattr(vm, 'template'):
source_template = vm.template
if vm.internal:
return
if vm.is_disposablevm():
return
vmsubdir = vm.dir_path.split(os.path.sep)[-2]
try:
#TODO msgoutput = None if verbose else open(os.devnull, 'w')
msgoutput = None
if source_template is not None:
subprocess.check_call([AppmenusPaths.appmenu_create_cmd,
self.templates_dir(source_template),
vm.name, vmsubdir, vm.label.icon],
stdout=msgoutput, stderr=msgoutput)
elif self.templates_dir(vm) is not None:
subprocess.check_call([AppmenusPaths.appmenu_create_cmd,
self.templates_dir(vm), vm.name,
vmsubdir, vm.label.icon],
stdout=msgoutput, stderr=msgoutput)
else:
# Only add apps to menu
subprocess.check_call([AppmenusPaths.appmenu_create_cmd,
"none", vm.name, vmsubdir,
vm.label.icon],
stdout=msgoutput, stderr=msgoutput)
except subprocess.CalledProcessError:
vm.log.warning("Ooops, there was a problem creating appmenus "
"for {0} VM!")
def appmenus_remove(self, vm):
vmsubdir = vm.dir_path.split(os.path.sep)[-2]
subprocess.check_call([AppmenusPaths.appmenu_remove_cmd, vm.name,
vmsubdir], stderr=open(os.devnull, 'w'))
def appmenus_cleanup(self, vm):
srcdir = self.templates_dir(vm)
if srcdir is None:
return
if not os.path.exists(srcdir):
return
if not os.path.exists(self.appmenus_dir(vm)):
return
for appmenu in os.listdir(self.appmenus_dir(vm)):
if not os.path.exists(os.path.join(srcdir, appmenu)):
os.unlink(os.path.join(self.appmenus_dir(vm), appmenu))
def appicons_create(self, vm, srcdir=None, force=False):
if srcdir is None:
srcdir = self.template_icons_dir(vm)
if srcdir is None:
return
if not os.path.exists(srcdir):
return
if vm.internal:
return
if vm.is_disposablevm():
return
whitelist = os.path.join(vm.dir_path, AppmenusSubdirs.whitelist)
if os.path.exists(whitelist):
whitelist = [line.strip() for line in open(whitelist)]
else:
whitelist = None
if not os.path.exists(self.icons_dir(vm)):
os.mkdir(self.icons_dir(vm))
elif not os.path.isdir(self.icons_dir(vm)):
os.unlink(self.icons_dir(vm))
os.mkdir(self.icons_dir(vm))
for icon in os.listdir(srcdir):
desktop = os.path.splitext(icon)[0] + '.desktop'
if whitelist and desktop not in whitelist:
continue
src_icon = os.path.join(srcdir, icon)
dst_icon = os.path.join(self.icons_dir(vm), icon)
if not os.path.exists(dst_icon) or force or \
os.path.getmtime(src_icon) > os.path.getmtime(dst_icon):
qubesimgconverter.tint(src_icon, dst_icon, vm.label.color)
def appicons_remove(self, vm):
if not os.path.exists(self.icons_dir(vm)):
return
for icon in os.listdir(self.icons_dir(vm)):
os.unlink(os.path.join(self.icons_dir(vm), icon))
def appicons_cleanup(self, vm):
srcdir = self.template_icons_dir(vm)
if srcdir is None:
return
if not os.path.exists(srcdir):
return
if not os.path.exists(self.icons_dir(vm)):
return
for icon in os.listdir(self.icons_dir(vm)):
if not os.path.exists(os.path.join(srcdir, icon)):
os.unlink(os.path.join(self.icons_dir(vm), icon))
@qubes.ext.handler('property-pre-set:name')
def pre_rename(self, vm, event, prop, *args):
self.appmenus_remove(vm)
@qubes.ext.handler('property-set:name')
def post_rename(self, vm, event, prop, *args):
self.appmenus_create(vm)
@qubes.ext.handler('domain-create-on-disk')
def create_on_disk(self, vm, event, source_template=None):
if vm.hvm and source_template is None:
vm.log.info("Creating appmenus directory: {0}".format(
self.templates_dir(vm)))
os.mkdir(self.templates_dir(vm))
shutil.copy(AppmenusPaths.appmenu_start_hvm_template,
self.templates_dir(vm))
source_whitelist_filename = 'vm-' + AppmenusSubdirs.whitelist
if vm.is_netvm():
source_whitelist_filename = 'netvm-' + AppmenusSubdirs.whitelist
if source_template and os.path.exists(
os.path.join(source_template.dir_path, source_whitelist_filename)):
vm.log.info("Creating default whitelisted apps list: {0}".
format(vm.dir_path + '/' + AppmenusSubdirs.whitelist))
shutil.copy(
os.path.join(source_template.dir_path, source_whitelist_filename),
os.path.join(vm.dir_path, AppmenusSubdirs.whitelist))
if source_template and vm.updateable:
vm.log.info("--> Copying the template's appmenus templates "
"dir:\n{0} ==>\n{1}".
format(self.templates_dir(source_template),
self.templates_dir(vm)))
if os.path.isdir(self.templates_dir(source_template)):
shutil.copytree(self.templates_dir(source_template),
self.templates_dir(vm))
else:
os.mkdir(self.templates_dir(vm))
if os.path.isdir(self.template_icons_dir(source_template)):
shutil.copytree(self.template_icons_dir(source_template),
self.template_icons_dir(vm))
else:
os.mkdir(self.template_icons_dir(vm))
# Create appmenus
self.appicons_create(vm)
self.appmenus_create(vm)
@qubes.ext.handler('domain-clone-files')
def clone_disk_files(self, vm, event, src_vm):
if src_vm.updateable and src_vm.templates_dir(vm) is not None and \
self.templates_dir(vm) is not None:
vm.log.info("Copying the template's appmenus templates "
"dir:\n{0} ==>\n{1}".
format(self.templates_dir(src_vm),
self.templates_dir(vm)))
shutil.copytree(self.templates_dir(src_vm),
self.templates_dir(vm))
if src_vm.updateable and src_vm.template_icons_dir(vm) is not None \
and self.template_icons_dir(vm) is not None and \
os.path.isdir(self.template_icons_dir(src_vm)):
vm.log.info("Copying the template's appmenus "
"template icons dir:\n{0} ==>\n{1}".
format(self.template_icons_dir(src_vm),
self.template_icons_dir(vm)))
shutil.copytree(self.template_icons_dir(src_vm),
self.template_icons_dir(vm))
for whitelist in (
AppmenusSubdirs.whitelist,
'vm-' + AppmenusSubdirs.whitelist,
'netvm-' + AppmenusSubdirs.whitelist):
if os.path.exists(os.path.join(src_vm.dir_path, whitelist)):
vm.log.info("Copying whitelisted apps list: {0}".
format(whitelist))
shutil.copy(os.path.join(src_vm.dir_path, whitelist),
os.path.join(vm.dir_path, whitelist))
# Create appmenus
self.appicons_create(vm)
self.appmenus_create(vm)
@qubes.ext.handler('domain-remove-from-disk')
def remove_from_disk(self, vm, event):
self.appmenus_remove(vm)
@qubes.ext.handler('property-set:label')
def label_setter(self, vm, event, *args):
self.appicons_create(vm, force=True)
# Apparently desktop environments heavily caches the icons,
# see #751 for details
if "plasma" in os.environ.get("DESKTOP_SESSION", ""):
try:
os.unlink(os.path.expandvars(
"$HOME/.kde/cache-$HOSTNAME/icon-cache.kcache"))
except:
pass
try:
notify_object = dbus.SessionBus().get_object(
"org.freedesktop.Notifications",
"/org/freedesktop/Notifications")
notify_object.Notify(
"Qubes", 0, vm.label.icon, "Qubes",
"You will need to log off and log in again for the VM icons "
"to update in the KDE launcher menu",
[], [], 10000,
dbus_interface="org.freedesktop.Notifications")
except:
pass
elif "xfce" in os.environ.get("DESKTOP_SESSION", ""):
self.appmenus_remove(vm)
self.appmenus_create(vm)
def appmenus_recreate(self, vm):
"""
Force recreation of all appmenus and icons. For example when VM label
color was changed
"""
self.appmenus_remove(vm)
self.appmenus_cleanup(vm)
self.appicons_remove(vm)
self.appicons_create(vm)
self.appmenus_create(vm)
def appmenus_update(self, vm):
"""
Similar to appmenus_recreate, but do not touch unchanged files
"""
self.appmenus_remove(vm)
self.appmenus_cleanup(vm)
self.appicons_create(vm)
self.appicons_cleanup(vm)
self.appmenus_create(vm)
@qubes.ext.handler('property-set:internal')
def set_attr(self, vm, event, prop, newvalue, *args):
if len(args):
oldvalue = args[0]
else:
oldvalue = vm.__class__.internal._default
if newvalue and not oldvalue:
self.appmenus_remove(vm)
elif not newvalue and oldvalue:
self.appmenus_create(vm)
@qubes.ext.handler('backup-get-files')
def files_for_backup(self, vm, event):
if vm.internal:
return
if vm.updateable:
yield self.templates_dir(vm)
yield self.template_icons_dir(vm)
yield os.path.join(vm.dir_path, AppmenusSubdirs.whitelist)
if vm.is_template():
for whitelist in (
'vm-' + AppmenusSubdirs.whitelist,
'netvm-' + AppmenusSubdirs.whitelist):
yield os.path.join(vm.dir_path, whitelist)