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# -*- coding: utf-8 -*-
# polkit_agent.py
# Copyright (C) 2013 LEAP
#
# 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 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Daemonizes polkit authentication agent.
"""
import os
import subprocess
import sys
import daemon
POLKIT_PATHS = (
'/usr/bin/lxpolkit',
'/usr/bin/lxqt-policykit-agent',
'/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1',
'/usr/lib/x86_64-linux-gnu/polkit-mate/polkit-mate-authentication-agent-1',
'/usr/lib/mate-polkit/polkit-mate-authentication-agent-1',
'/usr/lib/x86_64-linux-gnu/libexec/polkit-kde-authentication-agent-1',
'/usr/lib/kde4/libexec/polkit-kde-authentication-agent-1',
# now we get weird
'/usr/libexec/policykit-1-pantheon/pantheon-agent-polkit',
'/usr/lib/polkit-1-dde/dde-polkit-agent',
# do you know some we're still missing? :)
)
# TODO write tests for this piece.
def _get_polkit_agent():
"""
Return a valid polkit agent to use.
:rtype: str or None
"""
for polkit in POLKIT_PATHS:
if os.path.isfile(polkit):
return polkit
return None
def _launch_agent():
"""
Launch a polkit authentication agent on a subprocess.
"""
polkit_agent = _get_polkit_agent()
if polkit_agent is None:
print("No usable polkit was found.")
return
print('Launching polkit auth agent')
try:
# XXX fix KDE launch. See: #3755
subprocess.call(polkit_agent)
except Exception as e:
print('Error launching polkit authentication agent %r' % (e, ))
def launch():
"""
Launch a polkit authentication agent as a daemon.
"""
with daemon.DaemonContext():
_launch_agent()
if __name__ == "__main__":
if '--nodaemon' in sys.argv:
_launch_agent()
else:
launch()
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