Preferences: select enabled services for providers

1 files changed, 149 insertions, 4 deletions

diff --git a/src/leap/bitmask/gui/preferenceswindow.py b/src/leap/bitmask/gui/preferenceswindow.py
index a8220e86..2b48b54c 100644
--- a/src/leap/bitmask/gui/preferenceswindow.py
+++ b/src/leap/bitmask/gui/preferenceswindow.py
@@ -18,15 +18,18 @@
 """
 Preferences window
 """
+import os
 import logging
 
 from functools import partial
-from PySide import QtGui
+from PySide import QtCore, QtGui
 
 from leap.bitmask.gui.ui_preferences import Ui_Preferences
 from leap.soledad.client import NoStorageSecret
 from leap.bitmask.crypto.srpauth import SRPAuthBadPassword
 from leap.bitmask.util.password import basic_password_checks
+from leap.bitmask.services import get_supported
+from leap.bitmask.config.providerconfig import ProviderConfig
 
 logger = logging.getLogger(__name__)
 
@@ -38,7 +41,7 @@ class PreferencesWindow(QtGui.QDialog):
 
     WEAK_PASSWORDS = ("123456", "qweasd", "qwerty", "password")
 
-    def __init__(self, parent, srp_auth, soledad):
+    def __init__(self, parent, srp_auth, soledad, leap_settings):
         """
         :param parent: parent object of the PreferencesWindow.
         :parent type: QWidget
@@ -51,14 +54,39 @@ class PreferencesWindow(QtGui.QDialog):
 
         self._srp_auth = srp_auth
         self._soledad = soledad
+        self._settings = leap_settings
 
         # Load UI
         self.ui = Ui_Preferences()
         self.ui.setupUi(self)
         self.ui.lblPasswordChangeStatus.setVisible(False)
+        self.ui.lblProvidersServicesStatus.setVisible(False)
+
+        # Correspondence for services and their name to display
+        EIP_LABEL = self.tr("Encrypted Internet")
+        MX_LABEL = self.tr("Encrypted Mail")
+
+        self.SERVICE_DISPLAY = [
+            EIP_LABEL,
+            MX_LABEL
+        ]
+        self.SERVICE_CONFIG = [
+            "openvpn",
+            "mx"
+        ]
+
+        self._selected_services = set()
+        self._provider_config = ProviderConfig()
 
         # Connections
         self.ui.pbChangePassword.clicked.connect(self._change_password)
+        self.ui.cbProvidersServices.currentIndexChanged[unicode].connect(
+            self._populate_services)
+
+        if not self._settings.get_configured_providers():
+            self.ui.gbEnabledServices.setEnabled(False)
+        else:
+            self._add_configured_providers()
 
     def _set_password_change_status(self, status, error=False, success=False):
         """
@@ -134,7 +162,7 @@ class PreferencesWindow(QtGui.QDialog):
 
         self._set_password_change_status(
             self.tr("Password changed successfully."), success=True)
-        self._clear_inputs()
+        self._clear_password_inputs()
         self._set_changing_password(False)
 
     def _change_password_problem(self, failure):
@@ -156,10 +184,127 @@ class PreferencesWindow(QtGui.QDialog):
         self._set_changing_password(False)
         failure.trap(Exception)
 
-    def _clear_inputs(self):
+    def _clear_password_inputs(self):
         """
         Clear the contents of the inputs.
         """
         self.ui.leCurrentPassword.setText("")
         self.ui.leNewPassword.setText("")
         self.ui.leNewPassword2.setText("")
+
+    def _set_providers_services_status(self, status, success=False):
+        """
+        Sets the status label for the password change.
+
+        :param status: status message to display, can be HTML
+        :type status: str
+        """
+        if success:
+            status = "<font color='green'><b>%s</b></font>" % (status,)
+
+        self.ui.lblProvidersServicesStatus.setVisible(True)
+        self.ui.lblProvidersServicesStatus.setText(status)
+
+    def _add_configured_providers(self):
+        """
+        Add the client's configured providers to the providers combo boxes.
+        """
+        self.ui.cbProvidersServices.clear()
+        self.ui.cbProvidersGateway.clear()
+        for provider in self._settings.get_configured_providers():
+            self.ui.cbProvidersServices.addItem(provider)
+            self.ui.cbProvidersGateway.addItem(provider)
+
+    def _service_selection_changed(self, service, state):
+        """
+        SLOT
+        TRIGGER: service_checkbox.stateChanged
+        Adds the service to the state if the state is checked, removes
+        it otherwise
+
+        :param service: service to handle
+        :type service: str
+        :param state: state of the checkbox
+        :type state: int
+        """
+        if state == QtCore.Qt.Checked:
+            self._selected_services = \
+                self._selected_services.union(set([service]))
+        else:
+            self._selected_services = \
+                self._selected_services.difference(set([service]))
+
+        # We hide the maybe-visible status label after a change
+        self.ui.lblProvidersServicesStatus.setVisible(False)
+
+    def _populate_services(self, domain):
+        """
+        SLOT
+        TRIGGERS:
+            self.ui.cbProvidersServices.clicked
+
+        Loads the services that the provider provides into the UI for
+        the user to enable or disable.
+
+        :param domain: the domain of the provider to load services from.
+        :type domain: str
+        """
+        # We hide the maybe-visible status label after a change
+        self.ui.lblProvidersServicesStatus.setVisible(False)
+
+        provider_config_path = os.path.join(
+            "leap", "providers", domain, "provider.json")
+
+        if not domain or not self._provider_config.load(provider_config_path):
+            return
+
+        # set the proper connection for the 'save' button
+        try:
+            self.ui.pbSaveServices.clicked.disconnect()
+        except RuntimeError:
+            pass  # Signal was not connected
+
+        save_services = partial(self._save_enabled_services, domain)
+        self.ui.pbSaveServices.clicked.connect(save_services)
+
+        services = get_supported(self._provider_config.get_services())
+        services_conf = self._settings.get_enabled_services(domain)
+
+        # discard changes if other provider is selected
+        self._selected_services = set()
+
+        # from: http://stackoverflow.com/a/13103617/687989
+        # remove existing checkboxes
+        layout = self.ui.vlServices
+        for i in reversed(range(layout.count())):
+            layout.itemAt(i).widget().setParent(None)
+
+        # add one checkbox per service and set the current configured value
+        for service in services:
+            try:
+                checkbox = QtGui.QCheckBox(self)
+                service_index = self.SERVICE_CONFIG.index(service)
+                checkbox.setText(self.SERVICE_DISPLAY[service_index])
+                self.ui.vlServices.addWidget(checkbox)
+                checkbox.stateChanged.connect(
+                    partial(self._service_selection_changed, service))
+
+                checkbox.setChecked(service in services_conf)
+            except ValueError:
+                logger.error("Something went wrong while trying to "
+                             "load service %s" % (service,))
+
+    def _save_enabled_services(self, provider):
+        """
+        Saves the new settings to the configuration file.
+
+        :param provider: the provider config that we need to save.
+        :type provider: str
+        """
+        services = list(self._selected_services)
+        self._settings.set_enabled_services(provider, services)
+
+        msg = self.tr(
+            "Services settings for provider '{0}' saved.".format(provider))
+        logger.debug(msg)
+        self._set_providers_services_status(msg, success=True)