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# -*- coding: utf-8 -*-
# app.py
# Copyright (C) 2016 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/>.
"""
Main entrypoint for the Bitmask Qt GUI.
It just launches a wekbit browser that runs the local web-ui served by bitmaskd
when the web service is running.
"""
import os
import platform
import signal
import sys
from functools import partial
from multiprocessing import Process
from leap.bitmask.core.launcher import run_bitmaskd, pid
from leap.bitmask.gui import app_rc
if platform.system() == 'Windows':
from multiprocessing import freeze_support
from PySide import QtCore, QtGui
from PySide import QtWebKit
from PySide.QtGui import QDialog
from PySide.QtGui import QApplication
from PySide.QtWebKit import QWebView, QGraphicsWebView
from PySide.QtCore import QSize
else:
from PyQt5 import QtCore, QtGui
from PyQt5 import QtWebKit
from PyQt5.QtWidgets import QDialog
from PyQt5.QtWidgets import QApplication
from PyQt5.QtWebKitWidgets import QWebView
from PyQt5.QtCore import QSize
BITMASK_URI = 'http://localhost:7070'
IS_WIN = platform.system() == "Windows"
DEBUG = os.environ.get("DEBUG", False)
qApp = None
bitmaskd = None
class BrowserWindow(QDialog):
def __init__(self, parent):
super(BrowserWindow, self).__init__(parent)
if IS_WIN:
self.view = QWebView(self)
win_size = QSize(1024, 600)
self.setMinimumSize(win_size)
self.view.page().setViewportSize(win_size)
self.view.page().setPreferredContentsSize(win_size)
else:
self.view = QWebView(self)
win_size = QSize(800, 600)
self.win_size = win_size
self.resize(win_size)
if DEBUG:
self.view.settings().setAttribute(
QtWebKit.QWebSettings.WebAttribute.DeveloperExtrasEnabled,
True)
self.inspector = QtWebKit.QWebInspector(self)
self.inspector.setPage(self.view.page())
self.inspector.show()
self.splitter = QtGui.QSplitter()
self.splitter.addWidget(self.view)
self.splitter.addWidget(self.inspector)
# TODO add layout also in non-DEBUG mode
layout = QtGui.QVBoxLayout(self)
layout.addWidget(self.splitter)
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap(":/mask-icon.png"),
QtGui.QIcon.Normal, QtGui.QIcon.Off)
self.setWindowIcon(icon)
self.setWindowTitle('Bitmask')
self.load_app()
self.closing = False
def load_app(self):
self.view.load(QtCore.QUrl(BITMASK_URI))
def shutdown(self, *args):
if self.closing:
return
self.closing = True
global bitmaskd
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)
print('[bitmask] shutting down gui...')
try:
self.view.stop()
QtCore.QTimer.singleShot(0, qApp.deleteLater)
except Exception as ex:
print('exception catched: %r' % ex)
sys.exit(1)
def _handle_kill(*args, **kw):
win = kw.get('win')
if win:
QtCore.QTimer.singleShot(0, win.close)
def launch_gui():
global qApp
global bitmaskd
if IS_WIN:
freeze_support()
bitmaskd = Process(target=run_bitmaskd)
bitmaskd.start()
qApp = QApplication([])
browser = BrowserWindow(None)
qApp.setQuitOnLastWindowClosed(True)
qApp.lastWindowClosed.connect(browser.shutdown)
signal.signal(
signal.SIGINT,
partial(_handle_kill, win=browser))
# Avoid code to get stuck inside c++ loop, returning control
# to python land.
timer = QtCore.QTimer()
timer.timeout.connect(lambda: None)
timer.start(500)
browser.show()
sys.exit(qApp.exec_())
def start_app():
from leap.bitmask.util import STANDALONE
# Allow the frozen binary in the bundle double as the cli entrypoint
# Why have only a user interface when you can have two?
if platform.system() == 'Windows':
# In windows, there are some args added to the invocation
# by PyInstaller, I guess...
MIN_ARGS = 3
else:
MIN_ARGS = 1
# DEBUG ====================================
if STANDALONE and len(sys.argv) > MIN_ARGS:
from leap.bitmask.cli import bitmask_cli
return bitmask_cli.main()
launch_gui()
if __name__ == "__main__":
start_app()
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