single pref win: moved password change UI to a separate window, opened from account page in preferences.

1 files changed, 269 insertions, 0 deletions

diff --git a/src/leap/bitmask/gui/passwordwindow.py b/src/leap/bitmask/gui/passwordwindow.py
new file mode 100644
index 00000000..9946febe
--- /dev/null
+++ b/src/leap/bitmask/gui/passwordwindow.py
@@ -0,0 +1,269 @@
+# -*- coding: utf-8 -*-
+# passwordwindow.py
+# Copyright (C) 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 <http://www.gnu.org/licenses/>.
+
+"""
+Change password dialog window
+"""
+
+from PySide import QtCore, QtGui
+from leap.bitmask.util.credentials import password_checks
+
+from leap.bitmask.gui.ui_password_change import Ui_PasswordChange
+from leap.bitmask.gui.flashable import Flashable
+
+import logging
+logger = logging.getLogger(__name__)
+
+class PasswordWindow(QtGui.QDialog, Flashable):
+
+    def __init__(self, parent, account, app):
+        """
+        :param parent: parent object of the PreferencesWindow.
+        :parent type: QWidget
+
+        :param account: the user set in the login widget
+        :type account: Account
+
+        :param app: App instance
+        :type app: App
+        """
+        QtGui.QDialog.__init__(self, parent)
+
+        self.account = account
+        self.app = app
+        self._backend_connect()
+
+        self.ui = Ui_PasswordChange()
+        self.ui.setupUi(self)
+
+        self.hide_flash()
+        self.ui.ok_button.clicked.connect(self._change_password)
+        self.ui.cancel_button.clicked.connect(self._close)
+        self.ui.username_lineedit.setText(account.address)
+
+        self._disabled = False # if set to True, never again enable widgets.
+
+        if account.username is None:
+            # should not ever happen, but just in case
+            self._disabled = True
+            self._enable_password_widgets(False)
+            self.ui.cancel_button.setEnabled(True)
+            self.flash_error(self.tr("Please log in to change your password."))
+
+        if self.is_soledad_needed() and not self._soledad_ready:
+            self._enable_password_widgets(False)
+            self.ui.cancel_button.setEnabled(True)
+            self.flash_message(
+                self.tr("Please wait for data storage to be ready."))
+
+    def is_soledad_needed(self):
+        """
+        Returns true if the current account needs to change the soledad
+        password as well as the SRP password.
+        """
+        return self.account.is_email_enabled()
+
+    #
+    # MANAGE WIDGETS
+    #
+
+    def _enable_password_widgets(self, enabled):
+        """
+        Enables or disables the widgets in the password change group box.
+
+        :param enabled: True if the widgets should be enabled.
+                        False if widgets should be disabled and
+                        display the status label that shows that is
+                        changing the password.
+        :type enabled: bool
+        """
+        if self._disabled:
+            return
+
+        if enabled:
+            self.hide_flash()
+        else:
+            self.flash_message(self.tr("Changing password..."))
+
+        self.ui.current_password_lineedit.setEnabled(enabled)
+        self.ui.new_password_lineedit.setEnabled(enabled)
+        self.ui.new_password_confirmation_lineedit.setEnabled(enabled)
+        self.ui.ok_button.setEnabled(enabled)
+        self.ui.cancel_button.setEnabled(enabled)
+
+    def _change_password_success(self):
+        """
+        Callback used to display a successfully changed password.
+        """
+        logger.debug("Password changed successfully.")
+        self._clear_password_inputs()
+        self._enable_password_widgets(True)
+        self.flash_success(self.tr("Password changed successfully."))
+
+    def _clear_password_inputs(self):
+        """
+        Clear the contents of the inputs.
+        """
+        self.ui.current_password_lineedit.setText("")
+        self.ui.new_password_lineedit.setText("")
+        self.ui.new_password_confirmation_lineedit.setText("")
+
+    #
+    # SLOTS
+    #
+
+    def _backend_connect(self):
+        """
+        Helper to connect to backend signals
+        """
+        sig = self.app.signaler
+
+        sig.srp_password_change_ok.connect(self._srp_change_password_ok)
+
+        pwd_change_error = lambda: self._srp_change_password_problem(
+            self.tr("There was a problem changing the password."),
+            None)
+        sig.srp_password_change_error.connect(pwd_change_error)
+
+        pwd_change_badpw = lambda: self._srp_change_password_problem(
+            self.tr("You did not enter a correct current password."),
+            'current_password')
+        sig.srp_password_change_badpw.connect(pwd_change_badpw)
+
+        sig.soledad_password_change_ok.connect(
+            self._soledad_change_password_ok)
+
+        sig.soledad_password_change_error.connect(
+            self._soledad_change_password_problem)
+
+        self._soledad_ready = False
+        sig.soledad_bootstrap_finished.connect(self._on_soledad_ready)
+
+
+    @QtCore.Slot()
+    def _change_password(self):
+        """
+        TRIGGERS:
+            self.ui.buttonBox.accepted
+
+        Changes the user's password if the inputboxes are correctly filled.
+        """
+        current_password = self.ui.current_password_lineedit.text()
+        new_password = self.ui.new_password_lineedit.text()
+        new_password2 = self.ui.new_password_confirmation_lineedit.text()
+
+        self._enable_password_widgets(True)
+
+        if len(current_password) == 0:
+            self.flash_error(self.tr("Password is empty."))
+            self.ui.current_password_lineedit.setFocus()
+            return
+
+        ok, msg, field = password_checks(self.account.username, new_password,
+                                  new_password2)
+        if not ok:
+            self.flash_error(msg)
+            if field == 'new_password':
+                self.ui.new_password_lineedit.setFocus()
+            elif field == 'new_password_confirmation':
+                self.ui.new_password_confirmation_lineedit.setFocus()
+            return
+
+        self._enable_password_widgets(False)
+        self.app.backend.user_change_password(
+            current_password=current_password,
+            new_password=new_password)
+
+    @QtCore.Slot()
+    def _close(self):
+        """
+        TRIGGERS:
+            self.ui.buttonBox.rejected
+
+        Close this dialog
+        """
+        self.hide()
+
+    @QtCore.Slot()
+    def _srp_change_password_ok(self):
+        """
+        TRIGGERS:
+            self._backend.signaler.srp_password_change_ok
+
+        Callback used to display a successfully changed password.
+        """
+        new_password = self.ui.new_password_lineedit.text()
+        logger.debug("SRP password changed successfully.")
+
+        if self.is_soledad_needed():
+            self._backend.soledad_change_password(new_password=new_password)
+        else:
+            self._change_password_success()
+
+    @QtCore.Slot(unicode)
+    def _srp_change_password_problem(self, msg, field):
+        """
+        TRIGGERS:
+            self._backend.signaler.srp_password_change_error
+            self._backend.signaler.srp_password_change_badpw
+
+        Callback used to display an error on changing password.
+
+        :param msg: the message to show to the user.
+        :type msg: unicode
+        """
+        logger.error("Error changing password: %s" % (msg,))
+        self._enable_password_widgets(True)
+        self.flash_error(msg)
+        if field == 'current_password':
+            self.ui.current_password_lineedit.setFocus()
+
+    @QtCore.Slot()
+    def _soledad_change_password_ok(self):
+        """
+        TRIGGERS:
+            Signaler.soledad_password_change_ok
+
+        Soledad password change went OK.
+        """
+        logger.debug("Soledad password changed successfully.")
+        self._change_password_success()
+
+    @QtCore.Slot(unicode)
+    def _soledad_change_password_problem(self, msg):
+        """
+        TRIGGERS:
+            Signaler.soledad_password_change_error
+
+        Callback used to display an error on changing password.
+
+        :param msg: the message to show to the user.
+        :type msg: unicode
+        """
+        logger.error("Error changing soledad password: %s" % (msg,))
+        self._enable_password_widgets(True)
+        self.flash_error(msg)
+
+
+    @QtCore.Slot()
+    def _on_soledad_ready(self):
+        """
+        TRIGGERS:
+            Signaler.soledad_bootstrap_finished
+        """
+        self._enable_password_widgets(True)
+        self._soledad_ready = True