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#!/usr/bin/env python3
# Copyright (c) 2012, Matthias Schiffer <mschiffer@universe-factory.net>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import signal
import sys
import os
import pwd
import locale
import configparser
from gi.repository import Gtk, GLib
from .Locker import Locker
from .LockWindow import LockWindow
from . import Selection
from . import pam
CONFIG_FILE = '/etc/pylock.conf'
_ = locale.gettext
def main():
configParser = configparser.ConfigParser()
configParser.read_file(open(CONFIG_FILE))
config = configParser['pylock']
username = pwd.getpwuid(os.getuid())[0]
def signalHandler(signum, frame):
Gtk.main_quit()
signal.signal(signal.SIGINT, signalHandler)
signal.signal(signal.SIGTERM, signalHandler)
signal.signal(signal.SIGQUIT, signalHandler)
locale.setlocale(locale.LC_ALL, '')
locale.textdomain('pylock')
if 'theme' in config:
Gtk.Settings.get_defalt().set_property('gtk-theme-name', config['theme'])
def waitForSelection():
if Selection.get() != 0:
return True
Gtk.main_quit()
return False
if Selection.get() != 0:
GLib.timeout_add_seconds(1, waitForSelection)
Gtk.main()
sys.exit(0)
window = LockWindow()
if not Selection.acquire(window):
print('Unable to register pylock at X server', file=sys.stderr)
sys.exit(1)
def lock(timeLeft):
window.updateLockMessage(username, timeLeft)
return window.lock()
def logout():
try:
os.system(config['logout_command'])
except:
pass
window.reset(False)
def updateTimeout(timeLeft):
window.updateLockMessage(username, timeLeft)
if not ('logout_timeout' in config and 'logout_command' in config):
locker = Locker(lock, window.unlock)
else:
locker = Locker(lock, window.unlock, int(config['logout_timeout']), logout, updateTimeout)
pamAuth = pam.pam()
def tryUnlock(w, password):
if pamAuth.authenticate(username, password):
locker.unlock()
Gtk.main_quit()
else:
window.reset()
window.setAuthMessage(pamAuth.reason)
return True
window.connect('logout', lambda w: locker.logout())
window.connect('tryUnlock', tryUnlock)
GLib.idle_add(lambda: locker.lock())
Gtk.main()
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