#!/bin/env python

 # -*- coding: utf-8 -*-

 # ------------------------------------------------------------

 # opensecurity-dialog

 # 

 # an opensecurity dialog

 #

 # Autor: Oliver Maurhart, <oliver.maurhart@ait.ac.at>

 #

 # Copyright (C) 2013 AIT Austrian Institute of Technology

 # AIT Austrian Institute of Technology GmbH

 # Donau-City-Strasse 1 | 1220 Vienna | Austria

 # http://www.ait.ac.at

 #

 # 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 version 2.

 # 

 # 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.

 # ------------------------------------------------------------

 # ------------------------------------------------------------

 # imports

 import argparse

 import os

 import subprocess

 import sys

 import urllib2

 from PyQt4 import QtCore

 from PyQt4 import QtGui

 # local

 from about import About

 from environment import Environment

 # ------------------------------------------------------------

 # code

 class OpenSecurityWait(QtGui.QDialog):

     """OpenSecurity: please wait ..."""

     def __init__(self, parent = None, flags = QtCore.Qt.WindowFlags(0)):

         super(OpenSecurityWait, self).__init__(parent, flags)

         self.setWindowTitle('OpenSecurity')

         self.setup_ui()

     def setup_ui(self):

         """Create the widgets."""

         lyMain = QtGui.QVBoxLayout(self)

         lyMain.setContentsMargins(8, 8, 8, 8)

         # content area: left pixmap, right text

         lbTitle = QtGui.QLabel('Creating secure subsystem. Please stand by ...')

         lyMain.addWidget(lbTitle)

         self.setMinimumSize(400, 50)

         self.resize(lyMain.minimumSize())

 class OpenSecurityTrayIcon(QtGui.QSystemTrayIcon):

     """This is the OpenSecuirty Tray Icon"""

     def __init__(self, icon, parent=None):

         super(OpenSecurityTrayIcon, self).__init__(icon, parent)

         self.setup_ui()

     def clicked_about(self):

         """clicked about"""

         dlgAbout = About()

         dlgAbout.exec_()

     def clicked_browser(self):

         """wish for safe internet browsing"""

         # TODO: HARDCODED ADDRESS OF OPENSECURITYD

         # tell the user to wait

         dlg = OpenSecurityWait()

         dlg.show()

         QtGui.QApplication.instance().processEvents()

         try:

             # get a proper browsing VM

             browsing_vm = urllib2.urlopen('http://127.0.0.1:8080/browsing').readline()

             dlg_launch_image = os.path.join(sys.path[0], 'launch.pyw')

             process_command = [sys.executable, dlg_launch_image, browsing_vm, '/usr/bin/iceweasel']

             print(process_command)

             process = subprocess.Popen(process_command, shell = False)

             process.communicate()

         except:

             dlg.hide()

             QtGui.QApplication.instance().processEvents()

             QtGui.QMessageBox.critical(None, 'Failed to invoke Safe Internet Browsing', 'OpenSecurity Error')

         dlg.hide()

         QtGui.QApplication.instance().processEvents()

     def clicked_exit(self):

         """clicked exit"""

         sys.exit(0)

     def clicked_launch_application(self):

         """clicked the launch an application"""

         dlg_launch_image = os.path.join(sys.path[0], 'launch.pyw')

         process_command = [sys.executable, dlg_launch_image]

         print(process_command)

         process = subprocess.Popen(process_command, shell = False)

         process.communicate()

     def clicked_refresh(self):

         """clicked refresh"""

         self.setup_ui()

     def setup_ui(self):

         """create the user interface

         As for the system tray this is 'just' the context menu.

         """

         # define the tray icon menu

         menu = QtGui.QMenu(self.parent())

         self.setContextMenu(menu)

         # add known apps

         cAcBrowser = menu.addAction(QtGui.QIcon(QtGui.QPixmapCache.find('opensecurity_icon_64')), 'Safe Internet Browsing')

         menu.addSeparator()

         # add standard menu items

         cAcLaunch = menu.addAction(QtGui.QIcon(QtGui.QPixmapCache.find('opensecurity_icon_64')), 'Lauch Application')

         menu.addSeparator()

         cAcRefresh = menu.addAction('Refresh')

         cAcAbout = menu.addAction("About")

         cAcExit = menu.addAction("Exit")

         cAcBrowser.triggered.connect(self.clicked_browser)

         cAcLaunch.triggered.connect(self.clicked_launch_application)

         cAcRefresh.triggered.connect(self.clicked_refresh)

         cAcAbout.triggered.connect(self.clicked_about)

         cAcExit.triggered.connect(self.clicked_exit)

 def main():

     app = QtGui.QApplication(sys.argv)

     # prebuild the pixmap cache: fetch all jpg, png and jpeg images and load them

     image_path = os.path.join(Environment("OpenSecurity").data_path, '..', 'gfx')

     for file in os.listdir(image_path):

         if file.lower().rpartition('.')[2] in ('jpg', 'png', 'jpeg'):

             QtGui.QPixmapCache.insert(file.lower().rpartition('.')[0], QtGui.QPixmap(os.path.join(image_path, file)))

     w = QtGui.QWidget()

     trayIcon = OpenSecurityTrayIcon(QtGui.QIcon(QtGui.QPixmapCache.find('opensecurity_icon_64')), w)

     trayIcon.show()

     app.setQuitOnLastWindowClosed(False)

     sys.exit(app.exec_())

 # start

 if __name__ == "__main__":

     main()