#!/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

 if sys.platform == 'win32' or sys.platform == 'cygwin':

     from cygwin import Cygwin

 import opensecurity_client_restful_server 

 from ui import AboutDialog

 from ui import ConfigureDialog

 from ui import opensecurity_rc

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

 # 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"""

         d = AboutDialog()

         d.exec_()

     def clicked_browser(self):

         """wish for safe internet browsing"""

         if not (sys.platform == 'win32' or sys.platform == 'cygwin'):

             QtGui.QMessageBox.critical(self.parent(), 'OpenSecurity Error', 'This action is not supported on this platform.\nSorry.')

             return

         # TODO: HARDCODED ADDRESS OF OPENSECURITYD

         # tell the user to wait

         d = OpenSecurityWait()

         d.show()

         QtGui.QApplication.instance().processEvents()

         try:

             # get a proper browsing VM

             Cygwin.start_X11()

             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']

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

             #print(process_command)

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

         except:

             d.hide()

             QtGui.QApplication.instance().processEvents()

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

         d.hide()

         QtGui.QApplication.instance().processEvents()

     def clicked_configure(self):

         """clicked configure"""

         d = ConfigureDialog()

         d.exec_()

     def clicked_exit(self):

         """clicked exit"""

         opensecurity_client_restful_server.stop()

         sys.exit(0)

     def clicked_launch_application(self):

         """clicked the launch an application"""

         dlg_launch_image = os.path.join(sys.path[0], 'ui', 'launch_dialog.py')

         process_command = [sys.executable, dlg_launch_image]

         print(process_command)

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

     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

         self.acBrowser = QtGui.QAction('Secure Browsing', self.parent())

         icon = QtGui.QIcon()

         icon.addPixmap(QtGui.QPixmap(QtCore.QString.fromUtf8(':/opensecurity/gfx/opensecurity_browsing_64.png')), QtGui.QIcon.Normal, QtGui.QIcon.Off)

         self.acBrowser.setIcon(icon)

         menu.addAction(self.acBrowser)

         menu.addSeparator()

         # add standard menu items

         self.acLaunch = QtGui.QAction('Launch Application', self.parent())

         icon = QtGui.QIcon()

         icon.addPixmap(QtGui.QPixmap(QtCore.QString.fromUtf8(':/opensecurity/gfx/opensecurity_launch_64.png')), QtGui.QIcon.Normal, QtGui.QIcon.Off)

         self.acLaunch.setIcon(icon)

         menu.addAction(self.acLaunch)

         self.acConfigure = QtGui.QAction('Configuration', self.parent())

         icon = QtGui.QIcon()

         icon.addPixmap(QtGui.QPixmap(QtCore.QString.fromUtf8(':/opensecurity/gfx/opensecurity_configure_64.png')), QtGui.QIcon.Normal, QtGui.QIcon.Off)

         self.acConfigure.setIcon(icon)

         menu.addAction(self.acConfigure)

         menu.addSeparator()

         self.acAbout = menu.addAction('About')

         self.acExit = menu.addAction('Exit')

         self.acBrowser.triggered.connect(self.clicked_browser)

         self.acLaunch.triggered.connect(self.clicked_launch_application)

         self.acConfigure.triggered.connect(self.clicked_configure)

         self.acAbout.triggered.connect(self.clicked_about)

         self.acExit.triggered.connect(self.clicked_exit)

 def main():

     # parse arguments

     parser = argparse.ArgumentParser(description = 'OpenSecurity Tray Icon.')

     parser.add_argument('-p', '--port', type=int, default=8090, help='port number of the REST API this instance will listen on.')

     args = parser.parse_args()

     # get up Qt

     a = QtGui.QApplication(sys.argv)

     # enforce singelton process

     if opensecurity_client_restful_server.is_already_running(args.port):

         QtGui.QMessageBox.critical(None, 'OpenSecurity Error', 'OpenSecurity Tray Instance already launched.\nClose previous instance first.')

         sys.exit(1)

     # start serving

     opensecurity_client_restful_server.serve(args.port, True)

     # init tray icon widget

     w = QtGui.QWidget()

     icon = QtGui.QIcon()

     icon.addPixmap(QtGui.QPixmap(QtCore.QString.fromUtf8(":/opensecurity/gfx/opensecurity_icon_64.png")), QtGui.QIcon.Normal, QtGui.QIcon.Off)

     trayIcon = OpenSecurityTrayIcon(icon)

     # go!

     trayIcon.show()

     a.setQuitOnLastWindowClosed(False)

     sys.exit(a.exec_())

 # start

 if __name__ == "__main__":

     main()