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# -*- coding: utf-8 -*-
# eip_preferenceswindow.py
# Copyright (C) 2013 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 <http://www.gnu.org/licenses/>.
"""
EIP Preferences window
"""
import os
import logging
from functools import partial
from PySide import QtGui
from leap.bitmask.config.leapsettings import LeapSettings
from leap.bitmask.config.providerconfig import ProviderConfig
from leap.bitmask.gui.ui_eippreferences import Ui_EIPPreferences
from leap.bitmask.services.eip.eipconfig import EIPConfig, VPNGatewaySelector
logger = logging.getLogger(__name__)
class EIPPreferencesWindow(QtGui.QDialog):
"""
Window that displays the EIP preferences.
"""
def __init__(self, parent):
"""
:param parent: parent object of the EIPPreferencesWindow.
:parent type: QWidget
"""
QtGui.QDialog.__init__(self, parent)
self.AUTOMATIC_GATEWAY_LABEL = self.tr("Automatic")
self._settings = LeapSettings()
# Load UI
self.ui = Ui_EIPPreferences()
self.ui.setupUi(self)
self.ui.lblProvidersGatewayStatus.setVisible(False)
self.ui.lblAutoStartEIPStatus.setVisible(False)
# Connections
self.ui.cbProvidersGateway.currentIndexChanged[unicode].connect(
self._populate_gateways)
self.ui.cbGateways.currentIndexChanged[unicode].connect(
lambda x: self.ui.lblProvidersGatewayStatus.setVisible(False))
self.ui.cbProvidersEIP.currentIndexChanged[unicode].connect(
lambda x: self.ui.lblAutoStartEIPStatus.setVisible(False))
self.ui.cbAutoStartEIP.toggled.connect(
lambda x: self.ui.lblAutoStartEIPStatus.setVisible(False))
self.ui.pbSaveAutoStartEIP.clicked.connect(self._save_auto_start_eip)
self._add_configured_providers()
# Load auto start EIP settings
self.ui.cbAutoStartEIP.setChecked(self._settings.get_autostart_eip())
default_provider = self._settings.get_defaultprovider()
idx = self.ui.cbProvidersEIP.findText(default_provider)
self.ui.cbProvidersEIP.setCurrentIndex(idx)
def _save_auto_start_eip(self):
"""
SLOT
TRIGGER:
self.ui.cbAutoStartEIP.toggled
Saves the automatic start of EIP user preference.
"""
default_provider = self.ui.cbProvidersEIP.currentText()
enabled = self.ui.cbAutoStartEIP.isChecked()
self._settings.set_autostart_eip(enabled)
self._settings.set_defaultprovider(default_provider)
self.ui.lblAutoStartEIPStatus.show()
logger.debug('Auto start EIP saved: {0} {1}.'.format(
default_provider, enabled))
def _set_providers_gateway_status(self, status, success=False,
error=False):
"""
Sets the status label for the gateway change.
:param status: status message to display, can be HTML
:type status: str
:param success: is set to True if we should display the
message as green
:type success: bool
:param error: is set to True if we should display the
message as red
:type error: bool
"""
if success:
status = "<font color='green'><b>%s</b></font>" % (status,)
elif error:
status = "<font color='red'><b>%s</b></font>" % (status,)
self.ui.lblProvidersGatewayStatus.setVisible(True)
self.ui.lblProvidersGatewayStatus.setText(status)
def _add_configured_providers(self):
"""
Add the client's configured providers to the providers combo boxes.
"""
self.ui.cbProvidersGateway.clear()
self.ui.cbProvidersEIP.clear()
providers = self._settings.get_configured_providers()
if not providers:
self.ui.gbAutomaticEIP.setEnabled(False)
self.ui.gbGatewaySelector.setEnabled(False)
return
for provider in providers:
self.ui.cbProvidersGateway.addItem(provider)
self.ui.cbProvidersEIP.addItem(provider)
def _save_selected_gateway(self, provider):
"""
SLOT
TRIGGERS:
self.ui.pbSaveGateway.clicked
Saves the new gateway setting to the configuration file.
:param provider: the provider config that we need to save.
:type provider: str
"""
gateway = self.ui.cbGateways.currentText()
if gateway == self.AUTOMATIC_GATEWAY_LABEL:
gateway = self._settings.GATEWAY_AUTOMATIC
else:
idx = self.ui.cbGateways.currentIndex()
gateway = self.ui.cbGateways.itemData(idx)
self._settings.set_selected_gateway(provider, gateway)
msg = self.tr(
"Gateway settings for provider '{0}' saved.").format(provider)
self._set_providers_gateway_status(msg, success=True)
def _populate_gateways(self, domain):
"""
SLOT
TRIGGERS:
self.ui.cbProvidersGateway.currentIndexChanged[unicode]
Loads the gateways that the provider provides into the UI for
the user to select.
:param domain: the domain of the provider to load gateways from.
:type domain: str
"""
# We hide the maybe-visible status label after a change
self.ui.lblProvidersGatewayStatus.setVisible(False)
if not domain:
return
try:
# disconnect previously connected save method
self.ui.pbSaveGateway.clicked.disconnect()
except RuntimeError:
pass # Signal was not connected
# set the proper connection for the 'save' button
save_gateway = partial(self._save_selected_gateway, domain)
self.ui.pbSaveGateway.clicked.connect(save_gateway)
eip_config = EIPConfig()
provider_config = ProviderConfig.get_provider_config(domain)
eip_config_path = os.path.join("leap", "providers",
domain, "eip-service.json")
api_version = provider_config.get_api_version()
eip_config.set_api_version(api_version)
eip_loaded = eip_config.load(eip_config_path)
if not eip_loaded or provider_config is None:
self._set_providers_gateway_status(
self.tr("There was a problem with configuration files."),
error=True)
return
gateways = VPNGatewaySelector(eip_config).get_gateways_list()
logger.debug(gateways)
self.ui.cbGateways.clear()
self.ui.cbGateways.addItem(self.AUTOMATIC_GATEWAY_LABEL)
# Add the available gateways and
# select the one stored in configuration file.
selected_gateway = self._settings.get_selected_gateway(domain)
index = 0
for idx, (gw_name, gw_ip) in enumerate(gateways):
gateway = "{0} ({1})".format(gw_name, gw_ip)
self.ui.cbGateways.addItem(gateway, gw_ip)
if gw_ip == selected_gateway:
index = idx + 1
self.ui.cbGateways.setCurrentIndex(index)
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