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# -*- coding: utf-8 -*-
# app2.py
# Copyright (C) 2016-2017 LEAP Encryption Acess Project
#
# 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/>.
"""
This is an alternative entrypoint for Bitmask, based on pywebview, to be used
in osx and windows.
For the moment, it requires also qt5 for the systray, but we should move to a
native solution on each platform.
"""
import getpass
import os
import platform
import signal
import sys
import time
import webbrowser
from functools import partial
from multiprocessing import Process
import webview
import psutil
from PyQt5.QtWidgets import QApplication
from leap.bitmask.core.launcher import run_bitmaskd, pid
from leap.common.config import get_path_prefix
from leap.bitmask.gui.systray import WithTrayIcon
DEBUG = os.environ.get("DEBUG", False)
BITMASK_URI = 'http://localhost:7070/'
PIXELATED_URI = 'http://localhost:9090/'
PROCNAME = 'bitmask-app'
qApp = None
bitmaskd = None
class Systray(WithTrayIcon):
browser = None
def closeFromSystray(self):
self.user_closed = True
if self.browser:
self.browser.shutdown()
self.close()
self.close()
def closeEvent(self, event):
if self.user_closed:
print "bye!"
sys.exit()
else:
event.ignore()
def launch_systray():
global qApp
qApp = QApplication([])
qApp.setQuitOnLastWindowClosed(True)
systray = Systray()
systray.setupSysTray()
return systray
class BrowserWindow(object):
"""
A browser window using pywebview.
This BrowserWindow assumes that the backend is already running, since it is
going to look for the authtoken in the configuration folder.
"""
def __init__(self, *args, **kw):
url = kw.pop('url', None)
first = False
if not url:
url = "http://localhost:7070"
path = os.path.join(get_path_prefix(), 'leap', 'authtoken')
waiting = 20
while not os.path.isfile(path):
if waiting == 0:
# If we arrive here, something really messed up happened,
# because touching the token file is one of the first
# things the backend does, and this BrowserWindow
# should be called *right after* launching the backend.
raise NoAuthToken(
'No authentication token found!')
time.sleep(0.1)
waiting -= 1
token = open(path).read().strip()
url += '#' + token
first = True
self.url = url
self.closing = False
def create_window(self):
# blocks. So this should be the last action you do during launch.
webview.create_window('Bitmask', self.url)
def loadPage(self, web_page):
self.load(url)
def shutdown(self, *args):
global bitmaskd
if self.closing:
return
self.closing = True
bitmaskd.join()
if os.path.isfile(pid):
with open(pid) as f:
pidno = int(f.read())
print('[bitmask] terminating bitmaskd')
os.kill(pidno, signal.SIGTERM)
self.cleanup()
print('[bitmask] shutting down gui')
def cleanup(self):
print('[bitmask] cleaning up files')
base = os.path.join(get_path_prefix(), 'leap')
token = os.path.join(base, 'authtoken')
pid = os.path.join(base, 'bitmaskd.pid')
for _f in [token, pid]:
if os.path.isfile(_f):
os.unlink(_f)
def launch_gui():
global bitmaskd
bitmaskd = Process(target=run_bitmaskd)
bitmaskd.start()
# there are some tricky movements here to synchronize
# the different closing events:
# 1. bitmask off button: proper way, does shutdown via js.
# 2. systray quit: calls browser.shutdown() via reference.
# 3. browser window close: has to call browser.shutdown() explicitely.
try:
systray = launch_systray()
browser = BrowserWindow(None)
systray.browser = browser
browser.create_window()
# here control is passed
# to the pywebview event loop...
# case 2.
if not browser.closing:
browser.shutdown()
systray.browser = None
# close systray if closed from cases 1. or 2.
systray.closeFromSystray()
sys.exit(qApp.exec_())
except NoAuthToken as e:
print('ERROR: ' + e.message)
sys.exit(1)
def start_app():
from leap.bitmask.util import STANDALONE
mypid = os.getpid()
# Kill a previously-running process
for proc in psutil.process_iter():
if proc.name() == PROCNAME and proc.pid != mypid:
proc.kill()
# Allow the frozen binary in the bundle double as the cli entrypoint
# Why have only a user interface when you can have two?
if STANDALONE and len(sys.argv) > 1:
if sys.argv[1] == 'bitmask_helpers':
from leap.bitmask.vpn.helpers import main
return main()
from leap.bitmask.cli import bitmask_cli
return bitmask_cli.main()
prev_auth = os.path.join(get_path_prefix(), 'leap', 'authtoken')
try:
os.remove(prev_auth)
except OSError:
pass
launch_gui()
class NoAuthToken(Exception):
pass
if __name__ == "__main__":
start_app()
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