# -*- coding: utf-8 -*-
# mainwindow.py
# Copyright (C) 2013, 2014 LEAP
#
# 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 .
"""
Main window for Bitmask.
"""
import logging
import socket
from threading import Condition
from datetime import datetime
from PySide import QtCore, QtGui
from zope.proxy import ProxyBase, setProxiedObject
from twisted.internet import reactor, threads
from twisted.internet.defer import CancelledError
from leap.bitmask import __version__ as VERSION
from leap.bitmask import __version_hash__ as VERSION_HASH
from leap.bitmask.config import flags
from leap.bitmask.config.leapsettings import LeapSettings
from leap.bitmask.config.providerconfig import ProviderConfig
from leap.bitmask.crypto import srpauth
from leap.bitmask.crypto.srpauth import SRPAuth
from leap.bitmask.gui.loggerwindow import LoggerWindow
from leap.bitmask.gui.advanced_key_management import AdvancedKeyManagement
from leap.bitmask.gui.login import LoginWidget
from leap.bitmask.gui.preferenceswindow import PreferencesWindow
from leap.bitmask.gui.eip_preferenceswindow import EIPPreferencesWindow
from leap.bitmask.gui import statemachines
from leap.bitmask.gui.eip_status import EIPStatusWidget
from leap.bitmask.gui.mail_status import MailStatusWidget
from leap.bitmask.gui.wizard import Wizard
from leap.bitmask.gui.systray import SysTray
from leap.bitmask import provider
from leap.bitmask.platform_init import IS_WIN, IS_MAC, IS_LINUX
from leap.bitmask.platform_init.initializers import init_platform
from leap.bitmask import backend
from leap.bitmask.services import get_service_display_name
from leap.bitmask.services.mail import conductor as mail_conductor
from leap.bitmask.services import EIP_SERVICE, MX_SERVICE
from leap.bitmask.services.eip import eipconfig
from leap.bitmask.services.eip import get_openvpn_management
from leap.bitmask.services.eip.eipbootstrapper import EIPBootstrapper
from leap.bitmask.services.eip.connection import EIPConnection
from leap.bitmask.services.eip.vpnprocess import VPN
from leap.bitmask.services.eip.vpnprocess import OpenVPNAlreadyRunning
from leap.bitmask.services.eip.vpnprocess import AlienOpenVPNAlreadyRunning
from leap.bitmask.services.eip.vpnlauncher import VPNLauncherException
from leap.bitmask.services.eip.vpnlauncher import OpenVPNNotFoundException
from leap.bitmask.services.eip.linuxvpnlauncher import EIPNoPkexecAvailable
from leap.bitmask.services.eip.linuxvpnlauncher import \
EIPNoPolkitAuthAgentAvailable
from leap.bitmask.services.eip.darwinvpnlauncher import EIPNoTunKextLoaded
from leap.bitmask.services.soledad.soledadbootstrapper import \
SoledadBootstrapper
from leap.bitmask.util import make_address
from leap.bitmask.util.keyring_helpers import has_keyring
from leap.bitmask.util.leap_log_handler import LeapLogHandler
if IS_WIN:
from leap.bitmask.platform_init.locks import WindowsLock
from leap.bitmask.platform_init.locks import raise_window_ack
from leap.common.check import leap_assert
from leap.common.events import register
from leap.common.events import events_pb2 as proto
from leap.mail.imap.service.imap import IMAP_PORT
from ui_mainwindow import Ui_MainWindow
logger = logging.getLogger(__name__)
class MainWindow(QtGui.QMainWindow):
"""
Main window for login and presenting status updates to the user
"""
# StackedWidget indexes
LOGIN_INDEX = 0
EIP_STATUS_INDEX = 1
# Signals
eip_needs_login = QtCore.Signal([])
offline_mode_bypass_login = QtCore.Signal([])
new_updates = QtCore.Signal(object)
raise_window = QtCore.Signal([])
soledad_ready = QtCore.Signal([])
mail_client_logged_in = QtCore.Signal([])
logout = QtCore.Signal([])
# We use this flag to detect abnormal terminations
user_stopped_eip = False
# We give EIP some time to come up before starting soledad anyway
EIP_TIMEOUT = 60000 # in milliseconds
# We give each service some time to come to a halt before forcing quit
SERVICE_STOP_TIMEOUT = 20
def __init__(self, quit_callback,
openvpn_verb=1,
bypass_checks=False):
"""
Constructor for the client main window
:param quit_callback: Function to be called when closing
the application.
:type quit_callback: callable
:param bypass_checks: Set to true if the app should bypass
first round of checks for CA
certificates at bootstrap
:type bypass_checks: bool
"""
QtGui.QMainWindow.__init__(self)
# register leap events ########################################
register(signal=proto.UPDATER_NEW_UPDATES,
callback=self._new_updates_available,
reqcbk=lambda req, resp: None) # make rpc call async
register(signal=proto.RAISE_WINDOW,
callback=self._on_raise_window_event,
reqcbk=lambda req, resp: None) # make rpc call async
register(signal=proto.IMAP_CLIENT_LOGIN,
callback=self._on_mail_client_logged_in,
reqcbk=lambda req, resp: None) # make rpc call async
# end register leap events ####################################
self._quit_callback = quit_callback
self._updates_content = ""
# setup UI
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.menuBar().setNativeMenuBar(not IS_LINUX)
self._backend = backend.Backend(bypass_checks)
self._backend.start()
self._settings = LeapSettings()
self._login_widget = LoginWidget(
self._settings,
self)
self.ui.loginLayout.addWidget(self._login_widget)
# Qt Signal Connections #####################################
# TODO separate logic from ui signals.
self._login_widget.login.connect(self._login)
self._login_widget.cancel_login.connect(self._cancel_login)
self._login_widget.show_wizard.connect(self._launch_wizard)
self._login_widget.logout.connect(self._logout)
self._eip_status = EIPStatusWidget(self)
self.ui.eipLayout.addWidget(self._eip_status)
self._login_widget.logged_in_signal.connect(
self._eip_status.enable_eip_start)
self._login_widget.logged_in_signal.connect(
self._enable_eip_start_action)
self._mail_status = MailStatusWidget(self)
self.ui.mailLayout.addWidget(self._mail_status)
self._eip_connection = EIPConnection()
# XXX this should be handled by EIP Conductor
self._eip_connection.qtsigs.connecting_signal.connect(
self._start_eip)
self._eip_connection.qtsigs.disconnecting_signal.connect(
self._stop_eip)
self._eip_status.eip_connection_connected.connect(
self._on_eip_connected)
self._eip_status.eip_connection_connected.connect(
self._maybe_run_soledad_setup_checks)
self.offline_mode_bypass_login.connect(
self._maybe_run_soledad_setup_checks)
self.eip_needs_login.connect(
self._eip_status.disable_eip_start)
self.eip_needs_login.connect(
self._disable_eip_start_action)
# This is loaded only once, there's a bug when doing that more
# than once
# XXX HACK!! But we need it as long as we are using
# provider_config in here
self._provider_config = (
self._backend._components["provider"]._provider_config)
# Used for automatic start of EIP
self._provisional_provider_config = ProviderConfig()
self._eip_config = eipconfig.EIPConfig()
self._already_started_eip = False
self._already_started_soledad = False
# This is created once we have a valid provider config
self._srp_auth = None
self._logged_user = None
self._logged_in_offline = False
self._backend_connect()
# This thread is similar to the provider bootstrapper
self._eip_bootstrapper = EIPBootstrapper()
# EIP signals ---- move to eip conductor.
# TODO change the name of "download_config" signal to
# something less confusing (config_ready maybe)
self._eip_bootstrapper.download_config.connect(
self._eip_intermediate_stage)
self._eip_bootstrapper.download_client_certificate.connect(
self._finish_eip_bootstrap)
self._vpn = VPN(openvpn_verb=openvpn_verb)
# connect vpn process signals
self._vpn.qtsigs.state_changed.connect(
self._eip_status.update_vpn_state)
self._vpn.qtsigs.status_changed.connect(
self._eip_status.update_vpn_status)
self._vpn.qtsigs.process_finished.connect(
self._eip_finished)
self._vpn.qtsigs.network_unreachable.connect(
self._on_eip_network_unreachable)
self._vpn.qtsigs.process_restart_tls.connect(
self._do_eip_restart)
self._vpn.qtsigs.process_restart_ping.connect(
self._do_eip_restart)
self._soledad_bootstrapper = SoledadBootstrapper()
self._soledad_bootstrapper.download_config.connect(
self._soledad_intermediate_stage)
self._soledad_bootstrapper.gen_key.connect(
self._soledad_bootstrapped_stage)
self._soledad_bootstrapper.local_only_ready.connect(
self._soledad_bootstrapped_stage)
self._soledad_bootstrapper.soledad_timeout.connect(
self._retry_soledad_connection)
self._soledad_bootstrapper.soledad_invalid_auth_token.connect(
self._mail_status.set_soledad_invalid_auth_token)
self._soledad_bootstrapper.soledad_failed.connect(
self._mail_status.set_soledad_failed)
self.ui.action_preferences.triggered.connect(self._show_preferences)
self.ui.action_eip_preferences.triggered.connect(
self._show_eip_preferences)
self.ui.action_about_leap.triggered.connect(self._about)
self.ui.action_quit.triggered.connect(self.quit)
self.ui.action_wizard.triggered.connect(self._launch_wizard)
self.ui.action_show_logs.triggered.connect(self._show_logger_window)
self.ui.action_help.triggered.connect(self._help)
self.ui.action_create_new_account.triggered.connect(
self._launch_wizard)
self.ui.action_advanced_key_management.triggered.connect(
self._show_AKM)
if IS_MAC:
self.ui.menuFile.menuAction().setText(self.tr("File"))
self.raise_window.connect(self._do_raise_mainwindow)
# Used to differentiate between real quits and close to tray
self._really_quit = False
self._systray = None
# XXX separate actions into a different
# module.
self._action_mail_status = QtGui.QAction(self.tr("Mail is OFF"), self)
self._mail_status.set_action_mail_status(self._action_mail_status)
self._action_eip_startstop = QtGui.QAction("", self)
self._eip_status.set_action_eip_startstop(self._action_eip_startstop)
self._action_visible = QtGui.QAction(self.tr("Hide Main Window"), self)
self._action_visible.triggered.connect(self._toggle_visible)
# disable buttons for now, may come back later.
# self.ui.btnPreferences.clicked.connect(self._show_preferences)
# self.ui.btnEIPPreferences.clicked.connect(self._show_eip_preferences)
self._enabled_services = []
# last minute UI manipulations
self._center_window()
self.ui.lblNewUpdates.setVisible(False)
self.ui.btnMore.setVisible(False)
#########################################
# We hide this in height temporarily too
self.ui.lblNewUpdates.resize(0, 0)
self.ui.btnMore.resize(0, 0)
#########################################
self.ui.btnMore.clicked.connect(self._updates_details)
if flags.OFFLINE is True:
self._set_label_offline()
# Services signals/slots connection
self.new_updates.connect(self._react_to_new_updates)
# XXX should connect to mail_conductor.start_mail_service instead
self.soledad_ready.connect(self._start_smtp_bootstrapping)
self.soledad_ready.connect(self._start_imap_service)
self.mail_client_logged_in.connect(self._fetch_incoming_mail)
self.logout.connect(self._stop_imap_service)
self.logout.connect(self._stop_smtp_service)
################################# end Qt Signals connection ########
init_platform()
self._wizard = None
self._wizard_firstrun = False
self._logger_window = None
self._bypass_checks = bypass_checks
# We initialize Soledad and Keymanager instances as
# transparent proxies, so we can pass the reference freely
# around.
self._soledad = ProxyBase(None)
self._keymanager = ProxyBase(None)
self._login_defer = None
self._soledad_defer = None
self._mail_conductor = mail_conductor.MailConductor(
self._soledad, self._keymanager)
self._mail_conductor.connect_mail_signals(self._mail_status)
# Eip machine is a public attribute where the state machine for
# the eip connection will be available to the different components.
# Remember that this will not live in the +1600LOC mainwindow for
# all the eternity, so at some point we will be moving this to
# the EIPConductor or some other clever component that we will
# instantiate from here.
self.eip_machine = None
# start event machines
self.start_eip_machine()
self._mail_conductor.start_mail_machine()
self._eip_name = get_service_display_name(EIP_SERVICE)
if self._first_run():
self._wizard_firstrun = True
self._backend_disconnect()
self._wizard = Wizard(backend=self._backend,
bypass_checks=bypass_checks)
# Give this window time to finish init and then show the wizard
QtCore.QTimer.singleShot(1, self._launch_wizard)
self._wizard.accepted.connect(self._finish_init)
self._wizard.rejected.connect(self._rejected_wizard)
else:
# during finish_init, we disable the eip start button
# so this has to be done after eip_machine is started
self._finish_init()
def _backend_connect(self):
"""
Helper to connect to backend signals
"""
sig = self._backend.signaler
sig.prov_name_resolution.connect(self._intermediate_stage)
sig.prov_https_connection.connect(self._intermediate_stage)
sig.prov_download_ca_cert.connect(self._intermediate_stage)
sig.prov_download_provider_info.connect(self._load_provider_config)
sig.prov_check_api_certificate.connect(self._provider_config_loaded)
# Only used at login, no need to disconnect this like we do
# with the other
sig.prov_problem_with_provider.connect(self._login_problem_provider)
sig.prov_unsupported_client.connect(self._needs_update)
sig.prov_unsupported_api.connect(self._incompatible_api)
sig.prov_cancelled_setup.connect(self._set_login_cancelled)
def _backend_disconnect(self):
"""
Helper to disconnect from backend signals.
Some signals are emitted from the wizard, and we want to
ignore those.
"""
sig = self._backend.signaler
sig.prov_name_resolution.disconnect(self._intermediate_stage)
sig.prov_https_connection.disconnect(self._intermediate_stage)
sig.prov_download_ca_cert.disconnect(self._intermediate_stage)
sig.prov_download_provider_info.disconnect(self._load_provider_config)
sig.prov_check_api_certificate.disconnect(self._provider_config_loaded)
def _rejected_wizard(self):
"""
SLOT
TRIGGERS: self._wizard.rejected
Called if the wizard has been cancelled or closed before
finishing.
This is executed for the first run wizard only. Any other execution of
the wizard won't reach this point.
"""
providers = self._settings.get_configured_providers()
has_provider_on_disk = len(providers) != 0
if not has_provider_on_disk:
# if we don't have any provider configured (included a pinned
# one) we can't use the application, so quit.
self.quit()
else:
# This happens if the user finishes the provider
# setup but does not register
self._wizard = None
self._backend_connect()
if self._wizard_firstrun:
self._finish_init()
def _launch_wizard(self):
"""
SLOT
TRIGGERS:
self._login_widget.show_wizard
self.ui.action_wizard.triggered
Also called in first run.
Launches the wizard, creating the object itself if not already
there.
"""
if self._wizard is None:
self._backend_disconnect()
self._wizard = Wizard(backend=self._backend,
bypass_checks=self._bypass_checks)
self._wizard.accepted.connect(self._finish_init)
self._wizard.rejected.connect(self._rejected_wizard)
self.setVisible(False)
# Do NOT use exec_, it will use a child event loop!
# Refer to http://www.themacaque.com/?p=1067 for funny details.
self._wizard.show()
if IS_MAC:
self._wizard.raise_()
self._wizard.finished.connect(self._wizard_finished)
self._settings.set_skip_first_run(True)
def _wizard_finished(self):
"""
SLOT
TRIGGERS
self._wizard.finished
Called when the wizard has finished.
"""
self.setVisible(True)
def _get_leap_logging_handler(self):
"""
Gets the leap handler from the top level logger
:return: a logging handler or None
:rtype: LeapLogHandler or None
"""
# TODO this can be a function, does not need
# to be a method.
leap_logger = logging.getLogger('leap')
for h in leap_logger.handlers:
if isinstance(h, LeapLogHandler):
return h
return None
def _show_logger_window(self):
"""
SLOT
TRIGGERS:
self.ui.action_show_logs.triggered
Displays the window with the history of messages logged until now
and displays the new ones on arrival.
"""
if self._logger_window is None:
leap_log_handler = self._get_leap_logging_handler()
if leap_log_handler is None:
logger.error('Leap logger handler not found')
return
else:
self._logger_window = LoggerWindow(handler=leap_log_handler)
self._logger_window.setVisible(
not self._logger_window.isVisible())
else:
self._logger_window.setVisible(not self._logger_window.isVisible())
def _show_AKM(self):
"""
SLOT
TRIGGERS:
self.ui.action_advanced_key_management.triggered
Displays the Advanced Key Management dialog.
"""
domain = self._login_widget.get_selected_provider()
logged_user = "{0}@{1}".format(self._logged_user, domain)
self._akm = AdvancedKeyManagement(
logged_user, self._keymanager, self._soledad)
self._akm.show()
def _show_preferences(self):
"""
SLOT
TRIGGERS:
self.ui.btnPreferences.clicked (disabled for now)
self.ui.action_preferences
Displays the preferences window.
"""
preferences = PreferencesWindow(
self, self._srp_auth, self._provider_config, self._soledad,
self._login_widget.get_selected_provider())
self.soledad_ready.connect(preferences.set_soledad_ready)
preferences.show()
preferences.preferences_saved.connect(self._update_eip_enabled_status)
def _update_eip_enabled_status(self):
"""
SLOT
TRIGGER:
PreferencesWindow.preferences_saved
Enable or disable the EIP start/stop actions and stop EIP if the user
disabled that service.
:returns: if the eip actions were enabled or disabled
:rtype: bool
"""
settings = self._settings
default_provider = settings.get_defaultprovider()
enabled_services = []
if default_provider is not None:
enabled_services = settings.get_enabled_services(default_provider)
eip_enabled = False
if EIP_SERVICE in enabled_services:
should_autostart = settings.get_autostart_eip()
if should_autostart and default_provider is not None:
self._eip_status.enable_eip_start()
self._eip_status.set_eip_status("")
eip_enabled = True
else:
# we don't have an usable provider
# so the user needs to log in first
self._eip_status.disable_eip_start()
else:
self._stop_eip()
self._eip_status.disable_eip_start()
self._eip_status.set_eip_status(self.tr("Disabled"))
return eip_enabled
def _show_eip_preferences(self):
"""
SLOT
TRIGGERS:
self.ui.btnEIPPreferences.clicked
self.ui.action_eip_preferences (disabled for now)
Displays the EIP preferences window.
"""
domain = self._login_widget.get_selected_provider()
EIPPreferencesWindow(self, domain).show()
#
# updates
#
def _new_updates_available(self, req):
"""
Callback for the new updates event
:param req: Request type
:type req: leap.common.events.events_pb2.SignalRequest
"""
self.new_updates.emit(req)
def _react_to_new_updates(self, req):
"""
SLOT
TRIGGER: self._new_updates_available
Displays the new updates label and sets the updates_content
"""
self.moveToThread(QtCore.QCoreApplication.instance().thread())
self.ui.lblNewUpdates.setVisible(True)
self.ui.btnMore.setVisible(True)
self._updates_content = req.content
def _updates_details(self):
"""
SLOT
TRIGGER: self.ui.btnMore.clicked
Parses and displays the updates details
"""
msg = self.tr("The Bitmask app is ready to update, please"
" restart the application.")
# We assume that if there is nothing in the contents, then
# the Bitmask bundle is what needs updating.
if len(self._updates_content) > 0:
files = self._updates_content.split(", ")
files_str = ""
for f in files:
final_name = f.replace("/data/", "")
final_name = final_name.replace(".thp", "")
files_str += final_name
files_str += "\n"
msg += self.tr(" The following components will be updated:\n%s") \
% (files_str,)
QtGui.QMessageBox.information(self,
self.tr("Updates available"),
msg)
def _finish_init(self):
"""
SLOT
TRIGGERS:
self._wizard.accepted
Also called at the end of the constructor if not first run.
Implements the behavior after either constructing the
mainwindow object, loading the saved user/password, or after
the wizard has been executed.
"""
# XXX: May be this can be divided into two methods?
providers = self._settings.get_configured_providers()
self._login_widget.set_providers(providers)
self._show_systray()
self.show()
if IS_MAC:
self.raise_()
self._hide_unsupported_services()
if self._wizard:
possible_username = self._wizard.get_username()
possible_password = self._wizard.get_password()
# select the configured provider in the combo box
domain = self._wizard.get_domain()
self._login_widget.select_provider_by_name(domain)
self._login_widget.set_remember(self._wizard.get_remember())
self._enabled_services = list(self._wizard.get_services())
self._settings.set_enabled_services(
self._login_widget.get_selected_provider(),
self._enabled_services)
if possible_username is not None:
self._login_widget.set_user(possible_username)
if possible_password is not None:
self._login_widget.set_password(possible_password)
self._login()
else:
self.eip_needs_login.emit()
self._wizard = None
self._backend_connect()
else:
self._try_autostart_eip()
domain = self._settings.get_provider()
if domain is not None:
self._login_widget.select_provider_by_name(domain)
if not self._settings.get_remember():
# nothing to do here
return
saved_user = self._settings.get_user()
if saved_user is not None and has_keyring():
if self._login_widget.load_user_from_keyring(saved_user):
self._login()
def _hide_unsupported_services(self):
"""
Given a set of configured providers, it creates a set of
available services among all of them and displays the service
widgets of only those.
This means, for example, that with just one provider with EIP
only, the mail widget won't be displayed.
"""
providers = self._settings.get_configured_providers()
services = set()
for prov in providers:
provider_config = ProviderConfig()
loaded = provider_config.load(
provider.get_provider_path(prov))
if loaded:
for service in provider_config.get_services():
services.add(service)
self.ui.eipWidget.setVisible(EIP_SERVICE in services)
self.ui.mailWidget.setVisible(MX_SERVICE in services)
def _set_label_offline(self):
"""
Set the login label to reflect offline status.
"""
if self._logged_in_offline:
provider = ""
else:
provider = self.ui.lblLoginProvider.text()
self.ui.lblLoginProvider.setText(
provider +
self.tr(" (offline mode)"))
#
# systray
#
def _show_systray(self):
"""
Sets up the systray icon
"""
if self._systray is not None:
self._systray.setVisible(True)
return
# Placeholder action
# It is temporary to display the tray as designed
help_action = QtGui.QAction(self.tr("Help"), self)
help_action.setEnabled(False)
systrayMenu = QtGui.QMenu(self)
systrayMenu.addAction(self._action_visible)
systrayMenu.addSeparator()
eip_status_label = "{0}: {1}".format(self._eip_name, self.tr("OFF"))
eip_menu = systrayMenu.addMenu(eip_status_label)
eip_menu.addAction(self._action_eip_startstop)
self._eip_status.set_eip_status_menu(eip_menu)
systrayMenu.addSeparator()
systrayMenu.addAction(self._action_mail_status)
systrayMenu.addSeparator()
systrayMenu.addAction(self.ui.action_quit)
self._systray = SysTray(self)
self._systray.setContextMenu(systrayMenu)
self._systray.setIcon(self._eip_status.ERROR_ICON_TRAY)
self._systray.setVisible(True)
self._systray.activated.connect(self._tray_activated)
self._mail_status.set_systray(self._systray)
self._eip_status.set_systray(self._systray)
def _tray_activated(self, reason=None):
"""
SLOT
TRIGGER: self._systray.activated
Displays the context menu from the tray icon
"""
self._update_hideshow_menu()
context_menu = self._systray.contextMenu()
if not IS_MAC:
# for some reason, context_menu.show()
# is failing in a way beyond my understanding.
# (not working the first time it's clicked).
# this works however.
context_menu.exec_(self._systray.geometry().center())
def _update_hideshow_menu(self):
"""
Updates the Hide/Show main window menu text based on the
visibility of the window.
"""
get_action = lambda visible: (
self.tr("Show Main Window"),
self.tr("Hide Main Window"))[int(visible)]
# set labels
visible = self.isVisible() and self.isActiveWindow()
self._action_visible.setText(get_action(visible))
def _toggle_visible(self):
"""
SLOT
TRIGGER: self._action_visible.triggered
Toggles the window visibility
"""
visible = self.isVisible() and self.isActiveWindow()
if not visible:
QtGui.QApplication.setQuitOnLastWindowClosed(True)
self.show()
self.activateWindow()
self.raise_()
else:
# We set this in order to avoid dialogs shutting down the
# app on close, as they will be the only visible window.
# e.g.: PreferencesWindow, LoggerWindow
QtGui.QApplication.setQuitOnLastWindowClosed(False)
self.hide()
# Wait a bit until the window visibility has changed so
# the menu is set with the correct value.
QtCore.QTimer.singleShot(500, self._update_hideshow_menu)
def _center_window(self):
"""
Centers the mainwindow based on the desktop geometry
"""
geometry = self._settings.get_geometry()
state = self._settings.get_windowstate()
if geometry is None:
app = QtGui.QApplication.instance()
width = app.desktop().width()
height = app.desktop().height()
window_width = self.size().width()
window_height = self.size().height()
x = (width / 2.0) - (window_width / 2.0)
y = (height / 2.0) - (window_height / 2.0)
self.move(x, y)
else:
self.restoreGeometry(geometry)
if state is not None:
self.restoreState(state)
def _about(self):
"""
SLOT
TRIGGERS: self.ui.action_about_leap.triggered
Display the About Bitmask dialog
"""
today = datetime.now().date()
greet = ("Happy New 1984!... or not ;)
"
if today.month == 1 and today.day < 15 else "")
QtGui.QMessageBox.about(
self, self.tr("About Bitmask - %s") % (VERSION,),
self.tr("Version: %s (%s)
"
"
%s"
"Bitmask is the Desktop client application for "
"the LEAP platform, supporting encrypted internet "
"proxy, secure email, and secure chat (coming soon).
"
"
"
"LEAP is a non-profit dedicated to giving "
"all internet users access to secure "
"communication. Our focus is on adapting "
"encryption technology to make it easy to use "
"and widely available.
"
"
"
"More about LEAP"
"") % (VERSION, VERSION_HASH[:10], greet))
def _help(self):
"""
SLOT
TRIGGERS: self.ui.action_help.triggered
Display the Bitmask help dialog.
"""
# TODO: don't hardcode!
smtp_port = 2013
url = ("bitmask addon")
msg = self.tr(
"Instructions to use mail:
"
"If you use Thunderbird you can use the Bitmask extension helper. "
"Search for 'Bitmask' in the add-on manager or download it "
"from: {0}.
"
"You can configure Bitmask manually with these options:
"
""
" Incoming -> IMAP, port: {1}
"
" Outgoing -> SMTP, port: {2}
"
" Username -> your bitmask username.
"
" Password -> does not matter, use any text. "
" Just don't leave it empty and don't use your account's password."
"").format(url, IMAP_PORT, smtp_port)
QtGui.QMessageBox.about(self, self.tr("Bitmask Help"), msg)
def _needs_update(self):
"""
Display a warning dialog to inform the user that the app needs update.
"""
url = "https://dl.bitmask.net/"
msg = self.tr(
"The current client version is not supported "
"by this provider.
"
"Please update to latest version.
"
"You can get the latest version from "
"{1}").format(url, url)
QtGui.QMessageBox.warning(self, self.tr("Update Needed"), msg)
def _incompatible_api(self):
"""
Display a warning dialog to inform the user that the provider has an
incompatible API.
"""
msg = self.tr(
"This provider is not compatible with the client.
"
"Error: API version incompatible.")
QtGui.QMessageBox.warning(self, self.tr("Incompatible Provider"), msg)
def changeEvent(self, e):
"""
Reimplements the changeEvent method to minimize to tray
"""
if not IS_MAC and \
QtGui.QSystemTrayIcon.isSystemTrayAvailable() and \
e.type() == QtCore.QEvent.WindowStateChange and \
self.isMinimized():
self._toggle_visible()
e.accept()
return
QtGui.QMainWindow.changeEvent(self, e)
def closeEvent(self, e):
"""
Reimplementation of closeEvent to close to tray
"""
if QtGui.QSystemTrayIcon.isSystemTrayAvailable() and \
not self._really_quit:
self._toggle_visible()
e.ignore()
return
self._settings.set_geometry(self.saveGeometry())
self._settings.set_windowstate(self.saveState())
QtGui.QMainWindow.closeEvent(self, e)
def _first_run(self):
"""
Returns True if there are no configured providers. False otherwise
:rtype: bool
"""
providers = self._settings.get_configured_providers()
has_provider_on_disk = len(providers) != 0
skip_first_run = self._settings.get_skip_first_run()
return not (has_provider_on_disk and skip_first_run)
def _download_provider_config(self):
"""
Starts the bootstrapping sequence. It will download the
provider configuration if it's not present, otherwise will
emit the corresponding signals inmediately
"""
# XXX should rename this provider, name clash.
provider = self._login_widget.get_selected_provider()
self._backend.setup_provider(provider)
def _load_provider_config(self, data):
"""
SLOT
TRIGGER: self._backend.signaler.prov_download_provider_info
Once the provider config has been downloaded, this loads the
self._provider_config instance with it and starts the second
part of the bootstrapping sequence
:param data: result from the last stage of the
run_provider_select_checks
:type data: dict
"""
if data[self._backend.PASSED_KEY]:
selected_provider = self._login_widget.get_selected_provider()
self._backend.provider_bootstrap(selected_provider)
else:
logger.error(data[self._backend.ERROR_KEY])
self._login_widget.set_enabled(True)
def _login_problem_provider(self):
"""
Warns the user about a problem with the provider during login.
"""
self._login_widget.set_status(
self.tr("Unable to login: Problem with provider"))
self._login_widget.set_enabled(True)
def _login(self):
"""
SLOT
TRIGGERS:
self._login_widget.login
Starts the login sequence. Which involves bootstrapping the
selected provider if the selection is valid (not empty), then
start the SRP authentication, and as the last step
bootstrapping the EIP service
"""
# TODO most of this could ve handled by the login widget,
# but we'd have to move lblLoginProvider into the widget itself,
# instead of having it as a top-level attribute.
if flags.OFFLINE is True:
logger.debug("OFFLINE mode! bypassing remote login")
# TODO reminder, we're not handling logout for offline
# mode.
self._login_widget.logged_in()
self._logged_in_offline = True
self._set_label_offline()
self.offline_mode_bypass_login.emit()
else:
leap_assert(self._provider_config, "We need a provider config")
if self._login_widget.start_login():
self._download_provider_config()
def _login_errback(self, failure):
"""
Error handler for the srpauth.authenticate method.
:param failure: failure object that Twisted generates
:type failure: twisted.python.failure.Failure
"""
# NOTE: this behavior needs to be managed through the signaler,
# as we are doing with the prov_cancelled_setup signal.
# After we move srpauth to the backend, we need to update this.
logger.error("Error logging in, {0!r}".format(failure))
if failure.check(CancelledError):
logger.debug("Defer cancelled.")
failure.trap(Exception)
self._set_login_cancelled()
return
elif failure.check(srpauth.SRPAuthBadUserOrPassword):
msg = self.tr("Invalid username or password.")
elif failure.check(srpauth.SRPAuthBadStatusCode,
srpauth.SRPAuthenticationError,
srpauth.SRPAuthVerificationFailed,
srpauth.SRPAuthNoSessionId,
srpauth.SRPAuthNoSalt, srpauth.SRPAuthNoB,
srpauth.SRPAuthBadDataFromServer,
srpauth.SRPAuthJSONDecodeError):
msg = self.tr("There was a server problem with authentication.")
elif failure.check(srpauth.SRPAuthConnectionError):
msg = self.tr("Could not establish a connection.")
else:
# this shouldn't happen, but just in case.
msg = self.tr("Unknown error: {0!r}".format(failure.value))
self._login_widget.set_status(msg)
self._login_widget.set_enabled(True)
def _cancel_login(self):
"""
SLOT
TRIGGERS:
self._login_widget.cancel_login
Stops the login sequence.
"""
logger.debug("Cancelling log in.")
self._cancel_ongoing_defers()
def _cancel_ongoing_defers(self):
"""
Cancel the running defers to avoid app blocking.
"""
self._backend.cancel_setup_provider()
if self._login_defer is not None:
logger.debug("Cancelling login defer.")
self._login_defer.cancel()
self._login_defer = None
if self._soledad_defer is not None:
logger.debug("Cancelling soledad defer.")
self._soledad_defer.cancel()
self._soledad_defer = None
def _set_login_cancelled(self):
"""
SLOT
TRIGGERS:
Signaler.prov_cancelled_setup fired by
self._backend.cancel_setup_provider()
This method re-enables the login widget and display a message for
the cancelled operation.
"""
self._login_widget.set_status(self.tr("Log in cancelled by the user."))
self._login_widget.set_enabled(True)
def _provider_config_loaded(self, data):
"""
SLOT
TRIGGER: self._backend.signaler.prov_check_api_certificate
Once the provider configuration is loaded, this starts the SRP
authentication
"""
leap_assert(self._provider_config, "We need a provider config!")
if data[self._backend.PASSED_KEY]:
username = self._login_widget.get_user()
password = self._login_widget.get_password()
self._hide_unsupported_services()
if self._srp_auth is None:
self._srp_auth = SRPAuth(self._provider_config)
self._srp_auth.authentication_finished.connect(
self._authentication_finished)
self._srp_auth.logout_ok.connect(self._logout_ok)
self._srp_auth.logout_error.connect(self._logout_error)
self._login_defer = self._srp_auth.authenticate(username, password)
self._login_defer.addErrback(self._login_errback)
else:
self._login_widget.set_status(
"Unable to login: Problem with provider")
logger.error(data[self._backend.ERROR_KEY])
self._login_widget.set_enabled(True)
def _authentication_finished(self):
"""
SLOT
TRIGGER: self._srp_auth.authentication_finished
Once the user is properly authenticated, try starting the EIP
service
"""
self._login_widget.set_status(self.tr("Succeeded"), error=False)
self._logged_user = self._login_widget.get_user()
user = self._logged_user
domain = self._provider_config.get_domain()
full_user_id = make_address(user, domain)
self._mail_conductor.userid = full_user_id
self._login_defer = None
self._start_eip_bootstrap()
# if soledad/mail is enabled:
if MX_SERVICE in self._enabled_services:
btn_enabled = self._login_widget.set_logout_btn_enabled
btn_enabled(False)
self.soledad_ready.connect(lambda: btn_enabled(True))
self._soledad_bootstrapper.soledad_failed.connect(
lambda: btn_enabled(True))
def _start_eip_bootstrap(self):
"""
Changes the stackedWidget index to the EIP status one and
triggers the eip bootstrapping.
"""
self._login_widget.logged_in()
provider = self._provider_config.get_domain()
self.ui.lblLoginProvider.setText(provider)
self._enabled_services = self._settings.get_enabled_services(
self._provider_config.get_domain())
# TODO separate UI from logic.
if self._provides_mx_and_enabled():
self._mail_status.about_to_start()
else:
self._mail_status.set_disabled()
self._maybe_start_eip()
def _provides_mx_and_enabled(self):
"""
Defines if the current provider provides mx and if we have it enabled.
:returns: True if provides and is enabled, False otherwise
:rtype: bool
"""
provider_config = self._get_best_provider_config()
return (provider_config.provides_mx() and
MX_SERVICE in self._enabled_services)
def _provides_eip_and_enabled(self):
"""
Defines if the current provider provides eip and if we have it enabled.
:returns: True if provides and is enabled, False otherwise
:rtype: bool
"""
provider_config = self._get_best_provider_config()
return (provider_config.provides_eip() and
EIP_SERVICE in self._enabled_services)
def _maybe_run_soledad_setup_checks(self):
"""
Conditionally start Soledad.
"""
# TODO split.
if self._already_started_soledad is True:
return
if not self._provides_mx_and_enabled():
return
username = self._login_widget.get_user()
password = unicode(self._login_widget.get_password())
provider_domain = self._login_widget.get_selected_provider()
sb = self._soledad_bootstrapper
if flags.OFFLINE is True:
provider_domain = self._login_widget.get_selected_provider()
sb._password = password
self._provisional_provider_config.load(
provider.get_provider_path(provider_domain))
full_user_id = make_address(username, provider_domain)
uuid = self._settings.get_uuid(full_user_id)
self._mail_conductor.userid = full_user_id
if uuid is None:
# We don't need more visibility at the moment,
# this is mostly for internal use/debug for now.
logger.warning("Sorry! Log-in at least one time.")
return
fun = sb.load_offline_soledad
fun(full_user_id, password, uuid)
else:
provider_config = self._provider_config
if self._logged_user is not None:
self._soledad_defer = sb.run_soledad_setup_checks(
provider_config, username, password,
download_if_needed=True)
###################################################################
# Service control methods: soledad
def _soledad_intermediate_stage(self, data):
# TODO missing param docstring
"""
SLOT
TRIGGERS:
self._soledad_bootstrapper.download_config
If there was a problem, displays it, otherwise it does nothing.
This is used for intermediate bootstrapping stages, in case
they fail.
"""
passed = data[self._soledad_bootstrapper.PASSED_KEY]
if not passed:
# TODO display in the GUI:
# should pass signal to a slot in status_panel
# that sets the global status
logger.error("Soledad failed to start: %s" %
(data[self._soledad_bootstrapper.ERROR_KEY],))
self._retry_soledad_connection()
def _retry_soledad_connection(self):
"""
Retries soledad connection.
"""
# XXX should move logic to soledad boostrapper itself
logger.debug("Retrying soledad connection.")
if self._soledad_bootstrapper.should_retry_initialization():
self._soledad_bootstrapper.increment_retries_count()
# XXX should cancel the existing socket --- this
# is avoiding a clean termination.
self._maybe_run_soledad_setup_checks()
else:
logger.warning("Max number of soledad initialization "
"retries reached.")
def _soledad_bootstrapped_stage(self, data):
"""
SLOT
TRIGGERS:
self._soledad_bootstrapper.gen_key
self._soledad_bootstrapper.local_only_ready
If there was a problem, displays it, otherwise it does nothing.
This is used for intermediate bootstrapping stages, in case
they fail.
:param data: result from the bootstrapping stage for Soledad
:type data: dict
"""
passed = data[self._soledad_bootstrapper.PASSED_KEY]
if not passed:
# TODO should actually *display* on the panel.
logger.debug("ERROR on soledad bootstrapping:")
logger.error("%r" % data[self._soledad_bootstrapper.ERROR_KEY])
return
logger.debug("Done bootstrapping Soledad")
# Update the proxy objects to point to
# the initialized instances.
setProxiedObject(self._soledad,
self._soledad_bootstrapper.soledad)
setProxiedObject(self._keymanager,
self._soledad_bootstrapper.keymanager)
# Ok, now soledad is ready, so we can allow other things that
# depend on soledad to start.
self._soledad_defer = None
# this will trigger start_imap_service
# and start_smtp_boostrapping
self.soledad_ready.emit()
###################################################################
# Service control methods: smtp
@QtCore.Slot()
def _start_smtp_bootstrapping(self):
"""
SLOT
TRIGGERS:
self.soledad_ready
"""
if flags.OFFLINE is True:
logger.debug("not starting smtp in offline mode")
return
# TODO for simmetry, this should be called start_smtp_service
# (and delegate all the checks to the conductor)
if self._provides_mx_and_enabled():
self._mail_conductor.smtp_bootstrapper.run_smtp_setup_checks(
self._provider_config,
self._mail_conductor.smtp_config,
download_if_needed=True)
# XXX --- should remove from here, and connecte directly to the state
# machine.
@QtCore.Slot()
def _stop_smtp_service(self):
"""
SLOT
TRIGGERS:
self.logout
"""
# TODO call stop_mail_service
self._mail_conductor.stop_smtp_service()
###################################################################
# Service control methods: imap
@QtCore.Slot()
def _start_imap_service(self):
"""
SLOT
TRIGGERS:
self.soledad_ready
"""
# TODO in the OFFLINE mode we should also modify the rules
# in the mail state machine so it shows that imap is active
# (but not smtp since it's not yet ready for offline use)
start_fun = self._mail_conductor.start_imap_service
if flags.OFFLINE is True:
provider_domain = self._login_widget.get_selected_provider()
self._provider_config.load(
provider.get_provider_path(provider_domain))
provides_mx = self._provider_config.provides_mx()
if flags.OFFLINE is True and provides_mx:
start_fun()
return
if self._provides_mx_and_enabled():
start_fun()
def _on_mail_client_logged_in(self, req):
"""
Triggers qt signal when client login event is received.
"""
self.mail_client_logged_in.emit()
@QtCore.Slot()
def _fetch_incoming_mail(self):
"""
SLOT
TRIGGERS:
self.mail_client_logged_in
"""
# TODO connect signal directly!!!
self._mail_conductor.fetch_incoming_mail()
@QtCore.Slot()
def _stop_imap_service(self):
"""
SLOT
TRIGGERS:
self.logout
"""
cv = Condition()
cv.acquire()
# TODO call stop_mail_service
threads.deferToThread(self._mail_conductor.stop_imap_service, cv)
# and wait for it to be stopped
logger.debug('Waiting for imap service to stop.')
cv.wait(self.SERVICE_STOP_TIMEOUT)
# end service control methods (imap)
###################################################################
# Service control methods: eip
def start_eip_machine(self):
"""
Initializes and starts the EIP state machine
"""
button = self._eip_status.eip_button
action = self._action_eip_startstop
label = self._eip_status.eip_label
builder = statemachines.ConnectionMachineBuilder(self._eip_connection)
eip_machine = builder.make_machine(button=button,
action=action,
label=label)
self.eip_machine = eip_machine
self.eip_machine.start()
logger.debug('eip machine started')
@QtCore.Slot()
def _disable_eip_start_action(self):
"""
Disables the EIP start action in the systray menu.
"""
self._action_eip_startstop.setEnabled(False)
@QtCore.Slot()
def _enable_eip_start_action(self):
"""
Enables the EIP start action in the systray menu.
"""
self._action_eip_startstop.setEnabled(True)
@QtCore.Slot()
def _on_eip_connected(self):
"""
SLOT
TRIGGERS:
self._eip_status.eip_connection_connected
Emits the EIPConnection.qtsigs.connected_signal
This is a little workaround for connecting the vpn-connected
signal that currently is beeing processed under status_panel.
After the refactor to EIPConductor this should not be necessary.
"""
self._eip_connection.qtsigs.connected_signal.emit()
# check for connectivity
provider_config = self._get_best_provider_config()
domain = provider_config.get_domain()
self._check_name_resolution(domain)
def _check_name_resolution(self, domain):
"""
Check if we can resolve the given domain name.
:param domain: the domain to check.
:type domain: str
"""
def do_check():
"""
Try to resolve the domain name.
"""
socket.gethostbyname(domain.encode('idna'))
def check_err(failure):
"""
Errback handler for `do_check`.
:param failure: the failure that triggered the errback.
:type failure: twisted.python.failure.Failure
"""
logger.error(repr(failure))
logger.error("Can't resolve hostname.")
msg = self.tr(
"The server at {0} can't be found, because the DNS lookup "
"failed. DNS is the network service that translates a "
"website's name to its Internet address. Either your computer "
"is having trouble connecting to the network, or you are "
"missing some helper files that are needed to securely use "
"DNS while {1} is active. To install these helper files, quit "
"this application and start it again."
).format(domain, self._eip_name)
show_err = lambda: QtGui.QMessageBox.critical(
self, self.tr("Connection Error"), msg)
reactor.callLater(0, show_err)
# python 2.7.4 raises socket.error
# python 2.7.5 raises socket.gaierror
failure.trap(socket.gaierror, socket.error)
d = threads.deferToThread(do_check)
d.addErrback(check_err)
def _try_autostart_eip(self):
"""
Tries to autostart EIP
"""
settings = self._settings
if not self._update_eip_enabled_status():
return
default_provider = settings.get_defaultprovider()
self._enabled_services = settings.get_enabled_services(
default_provider)
loaded = self._provisional_provider_config.load(
provider.get_provider_path(default_provider))
if loaded:
# XXX I think we should not try to re-download config every time,
# it adds some delay.
# Maybe if it's the first run in a session,
# or we can try only if it fails.
self._maybe_start_eip()
else:
# XXX: Display a proper message to the user
self.eip_needs_login.emit()
logger.error("Unable to load %s config, cannot autostart." %
(default_provider,))
@QtCore.Slot()
def _start_eip(self):
"""
SLOT
TRIGGERS:
self._eip_connection.qtsigs.do_connect_signal
(via state machine)
or called from _finish_eip_bootstrap
Starts EIP
"""
provider_config = self._get_best_provider_config()
provider = provider_config.get_domain()
self._eip_status.eip_pre_up()
self.user_stopped_eip = False
# until we set an option in the preferences window,
# we'll assume that by default we try to autostart.
# If we switch it off manually, it won't try the next
# time.
self._settings.set_autostart_eip(True)
loaded = eipconfig.load_eipconfig_if_needed(
provider_config, self._eip_config, provider)
if not loaded:
eip_status_label = self.tr("Could not load {0} configuration.")
eip_status_label = eip_status_label.format(self._eip_name)
self._eip_status.set_eip_status(eip_status_label, error=True)
# signal connection aborted to state machine
qtsigs = self._eip_connection.qtsigs
qtsigs.connection_aborted_signal.emit()
logger.error("Tried to start EIP but cannot find any "
"available provider!")
return
try:
# XXX move this to EIPConductor
host, port = get_openvpn_management()
self._vpn.start(eipconfig=self._eip_config,
providerconfig=provider_config,
socket_host=host,
socket_port=port)
self._settings.set_defaultprovider(provider)
# XXX move to the state machine too
self._eip_status.set_provider(provider)
# TODO refactor exceptions so they provide translatable
# usef-facing messages.
except EIPNoPolkitAuthAgentAvailable:
self._eip_status.set_eip_status(
# XXX this should change to polkit-kde where
# applicable.
self.tr("We could not find any "
"authentication "
"agent in your system.
"
"Make sure you have "
"polkit-gnome-authentication-"
"agent-1 "
"running and try again."),
error=True)
self._set_eipstatus_off()
except EIPNoTunKextLoaded:
self._eip_status.set_eip_status(
self.tr("{0} cannot be started because "
"the tuntap extension is not installed properly "
"in your system.").format(self._eip_name))
self._set_eipstatus_off()
except EIPNoPkexecAvailable:
self._eip_status.set_eip_status(
self.tr("We could not find pkexec "
"in your system."),
error=True)
self._set_eipstatus_off()
except OpenVPNNotFoundException:
self._eip_status.set_eip_status(
self.tr("We could not find openvpn binary."),
error=True)
self._set_eipstatus_off()
except OpenVPNAlreadyRunning as e:
self._eip_status.set_eip_status(
self.tr("Another openvpn instance is already running, and "
"could not be stopped."),
error=True)
self._set_eipstatus_off()
except AlienOpenVPNAlreadyRunning as e:
self._eip_status.set_eip_status(
self.tr("Another openvpn instance is already running, and "
"could not be stopped because it was not launched by "
"Bitmask. Please stop it and try again."),
error=True)
self._set_eipstatus_off()
except VPNLauncherException as e:
# XXX We should implement again translatable exceptions so
# we can pass a translatable string to the panel (usermessage attr)
self._eip_status.set_eip_status("%s" % (e,), error=True)
self._set_eipstatus_off()
else:
self._already_started_eip = True
@QtCore.Slot()
def _stop_eip(self):
"""
SLOT
TRIGGERS:
self._eip_connection.qtsigs.do_disconnect_signal
(via state machine)
or called from _eip_finished
Stops vpn process and makes gui adjustments to reflect
the change of state.
:param abnormal: whether this was an abnormal termination.
:type abnormal: bool
"""
self.user_stopped_eip = True
self._vpn.terminate()
self._set_eipstatus_off(False)
self._already_started_eip = False
logger.debug('Setting autostart to: False')
self._settings.set_autostart_eip(False)
if self._logged_user:
self._eip_status.set_provider(
make_address(
self._logged_user,
self._get_best_provider_config().get_domain()))
self._eip_status.eip_stopped()
@QtCore.Slot()
def _on_eip_network_unreachable(self):
# XXX Should move to EIP Conductor
"""
SLOT
TRIGGERS:
self._eip_connection.qtsigs.network_unreachable
Displays a "network unreachable" error in the EIP status panel.
"""
self._eip_status.set_eip_status(self.tr("Network is unreachable"),
error=True)
self._eip_status.set_eip_status_icon("error")
@QtCore.Slot()
def _do_eip_restart(self):
# XXX Should move to EIP Conductor
"""
SLOT
self._eip_connection.qtsigs.process_restart
Restart the connection.
"""
# for some reason, emitting the do_disconnect/do_connect
# signals hangs the UI.
self._stop_eip()
QtCore.QTimer.singleShot(2000, self._start_eip)
def _set_eipstatus_off(self, error=True):
"""
Sets eip status to off
"""
# XXX this should be handled by the state machine.
self._eip_status.set_eip_status("", error=error)
self._eip_status.set_eip_status_icon("error")
def _eip_finished(self, exitCode):
"""
SLOT
TRIGGERS:
self._vpn.process_finished
Triggered when the EIP/VPN process finishes to set the UI
accordingly.
Ideally we would have the right exit code here,
but the use of different wrappers (pkexec, cocoasudo) swallows
the openvpn exit code so we get zero exit in some cases where we
shouldn't. As a workaround we just use a flag to indicate
a purposeful switch off, and mark everything else as unexpected.
In the near future we should trigger a native notification from here,
since the user really really wants to know she is unprotected asap.
And the right thing to do will be to fail-close.
:param exitCode: the exit code of the eip process.
:type exitCode: int
"""
# TODO move to EIPConductor.
# TODO Add error catching to the openvpn log observer
# so we can have a more precise idea of which type
# of error did we have (server side, local problem, etc)
logger.info("VPN process finished with exitCode %s..."
% (exitCode,))
qtsigs = self._eip_connection.qtsigs
signal = qtsigs.disconnected_signal
# XXX check if these exitCodes are pkexec/cocoasudo specific
if exitCode in (126, 127):
eip_status_label = self.tr(
"{0} could not be launched "
"because you did not authenticate properly.")
eip_status_label = eip_status_label.format(self._eip_name)
self._eip_status.set_eip_status(eip_status_label, error=True)
self._vpn.killit()
signal = qtsigs.connection_aborted_signal
elif exitCode != 0 or not self.user_stopped_eip:
eip_status_label = self.tr("{0} finished in an unexpected manner!")
eip_status_label = eip_status_label.format(self._eip_name)
self._eip_status.set_eip_status(eip_status_label, error=True)
signal = qtsigs.connection_died_signal
if exitCode == 0 and IS_MAC:
# XXX remove this warning after I fix cocoasudo.
logger.warning("The above exit code MIGHT BE WRONG.")
# We emit signals to trigger transitions in the state machine:
signal.emit()
# eip boostrapping, config etc...
def _maybe_start_eip(self):
"""
Start the EIP bootstrapping sequence if the client is configured to
do so.
"""
leap_assert(self._eip_bootstrapper, "We need an eip bootstrapper!")
provider_config = self._get_best_provider_config()
if self._provides_eip_and_enabled() and not self._already_started_eip:
# XXX this should be handled by the state machine.
self._eip_status.set_eip_status(
self.tr("Starting..."))
self._eip_bootstrapper.run_eip_setup_checks(
provider_config,
download_if_needed=True)
self._already_started_eip = True
# we want to start soledad anyway after a certain timeout if eip
# fails to come up
QtCore.QTimer.singleShot(
self.EIP_TIMEOUT,
self._maybe_run_soledad_setup_checks)
else:
if not self._already_started_eip:
if EIP_SERVICE in self._enabled_services:
self._eip_status.set_eip_status(
self.tr("Not supported"),
error=True)
else:
self._eip_status.disable_eip_start()
self._eip_status.set_eip_status(self.tr("Disabled"))
# eip will not start, so we start soledad anyway
self._maybe_run_soledad_setup_checks()
def _finish_eip_bootstrap(self, data):
"""
SLOT
TRIGGER: self._eip_bootstrapper.download_client_certificate
Starts the VPN thread if the eip configuration is properly
loaded
"""
leap_assert(self._eip_config, "We need an eip config!")
passed = data[self._eip_bootstrapper.PASSED_KEY]
if not passed:
error_msg = self.tr("There was a problem with the provider")
self._eip_status.set_eip_status(error_msg, error=True)
logger.error(data[self._eip_bootstrapper.ERROR_KEY])
self._already_started_eip = False
return
provider_config = self._get_best_provider_config()
domain = provider_config.get_domain()
# XXX move check to _start_eip ?
loaded = eipconfig.load_eipconfig_if_needed(
provider_config, self._eip_config, domain)
if loaded:
# DO START EIP Connection!
self._eip_connection.qtsigs.do_connect_signal.emit()
else:
eip_status_label = self.tr("Could not load {0} configuration.")
eip_status_label = eip_status_label.format(self._eip_name)
self._eip_status.set_eip_status(eip_status_label, error=True)
def _eip_intermediate_stage(self, data):
# TODO missing param
"""
SLOT
TRIGGERS:
self._eip_bootstrapper.download_config
If there was a problem, displays it, otherwise it does nothing.
This is used for intermediate bootstrapping stages, in case
they fail.
"""
passed = data[self._backend.PASSED_KEY]
if not passed:
self._login_widget.set_status(
self.tr("Unable to connect: Problem with provider"))
logger.error(data[self._backend.ERROR_KEY])
self._already_started_eip = False
# end of EIP methods ---------------------------------------------
def _get_best_provider_config(self):
"""
Returns the best ProviderConfig to use at a moment. We may
have to use self._provider_config or
self._provisional_provider_config depending on the start
status.
:rtype: ProviderConfig
"""
# TODO move this out of gui.
leap_assert(self._provider_config is not None or
self._provisional_provider_config is not None,
"We need a provider config")
provider_config = None
if self._provider_config.loaded():
provider_config = self._provider_config
elif self._provisional_provider_config.loaded():
provider_config = self._provisional_provider_config
else:
leap_assert(False, "We could not find any usable ProviderConfig.")
return provider_config
@QtCore.Slot()
def _logout(self):
"""
SLOT
TRIGGER: self._login_widget.logout
Starts the logout sequence
"""
self._soledad_bootstrapper.cancel_bootstrap()
setProxiedObject(self._soledad, None)
self._cancel_ongoing_defers()
# reset soledad status flag
self._already_started_soledad = False
# XXX: If other defers are doing authenticated stuff, this
# might conflict with those. CHECK!
threads.deferToThread(self._srp_auth.logout)
self.logout.emit()
def _logout_error(self):
"""
SLOT
TRIGGER: self._srp_auth.logout_error
Inform the user about a logout error.
"""
self._login_widget.done_logout()
self.ui.lblLoginProvider.setText(self.tr("Login"))
self._login_widget.set_status(
self.tr("Something went wrong with the logout."))
def _logout_ok(self):
"""
SLOT
TRIGGER: self._srp_auth.logout_ok
Switches the stackedWidget back to the login stage after
logging out
"""
self._login_widget.done_logout()
self.ui.lblLoginProvider.setText(self.tr("Login"))
self._logged_user = None
self._login_widget.logged_out()
self._mail_status.mail_state_disabled()
def _intermediate_stage(self, data):
# TODO this method name is confusing as hell.
"""
SLOT
TRIGGERS:
self._backend.signaler.prov_name_resolution
self._backend.signaler.prov_https_connection
self._backend.signaler.prov_download_ca_cert
self._eip_bootstrapper.download_config
If there was a problem, displays it, otherwise it does nothing.
This is used for intermediate bootstrapping stages, in case
they fail.
"""
passed = data[self._backend.PASSED_KEY]
if not passed:
msg = self.tr("Unable to connect: Problem with provider")
self._login_widget.set_status(msg)
self._login_widget.set_enabled(True)
logger.error(data[self._backend.ERROR_KEY])
#
# window handling methods
#
def _on_raise_window_event(self, req):
"""
Callback for the raise window event
"""
if IS_WIN:
raise_window_ack()
self.raise_window.emit()
def _do_raise_mainwindow(self):
"""
SLOT
TRIGGERS:
self._on_raise_window_event
Triggered when we receive a RAISE_WINDOW event.
"""
TOPFLAG = QtCore.Qt.WindowStaysOnTopHint
self.setWindowFlags(self.windowFlags() | TOPFLAG)
self.show()
self.setWindowFlags(self.windowFlags() & ~TOPFLAG)
self.show()
if IS_MAC:
self.raise_()
#
# cleanup and quit methods
#
def _cleanup_pidfiles(self):
"""
Removes lockfiles on a clean shutdown.
Triggered after aboutToQuit signal.
"""
if IS_WIN:
WindowsLock.release_all_locks()
def _cleanup_and_quit(self):
"""
Call all the cleanup actions in a serialized way.
Should be called from the quit function.
"""
logger.debug('About to quit, doing cleanup...')
self._stop_imap_service()
if self._srp_auth is not None:
if self._srp_auth.get_session_id() is not None or \
self._srp_auth.get_token() is not None:
# XXX this can timeout after loong time: See #3368
self._srp_auth.logout()
if self._soledad_bootstrapper.soledad is not None:
logger.debug("Closing soledad...")
self._soledad_bootstrapper.soledad.close()
else:
logger.error("No instance of soledad was found.")
logger.debug('Terminating vpn')
self._vpn.terminate(shutdown=True)
self._cancel_ongoing_defers()
# TODO missing any more cancels?
logger.debug('Cleaning pidfiles')
self._cleanup_pidfiles()
def quit(self):
"""
Cleanup and tidely close the main window before quitting.
"""
# TODO separate the shutting down of services from the
# UI stuff.
# Set this in case that the app is hidden
QtGui.QApplication.setQuitOnLastWindowClosed(True)
self._backend.stop()
self._cleanup_and_quit()
self._really_quit = True
if self._wizard:
self._wizard.close()
if self._logger_window:
self._logger_window.close()
self.close()
if self._quit_callback:
self._quit_callback()
logger.debug('Bye.')