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authorIvan Alejandro <ivanalejandro0@gmail.com>2013-08-21 13:02:44 -0300
committerIvan Alejandro <ivanalejandro0@gmail.com>2013-08-23 11:25:03 -0300
commit1801a78f9d05ea9d2f3c0321f3b1cc257d1ad278 (patch)
treed174a9f396d8fda8e4a925b6838f9ef3cc3aa154 /src/leap/bitmask/gui/preferenceswindow.py
parent7001408dd893b5e8302c4ff8a0dfe63f50e283fa (diff)
Add password change feature.
Diffstat (limited to 'src/leap/bitmask/gui/preferenceswindow.py')
-rw-r--r--src/leap/bitmask/gui/preferenceswindow.py160
1 files changed, 158 insertions, 2 deletions
diff --git a/src/leap/bitmask/gui/preferenceswindow.py b/src/leap/bitmask/gui/preferenceswindow.py
index 5f8dd5cc..67448768 100644
--- a/src/leap/bitmask/gui/preferenceswindow.py
+++ b/src/leap/bitmask/gui/preferenceswindow.py
@@ -16,13 +16,15 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
-Preferences log window
+Preferences window
"""
import logging
+from functools import partial
from PySide import QtGui
from leap.bitmask.gui.ui_preferences import Ui_Preferences
+from leap.soledad.client import NoStorageSecret
from leap.bitmask.crypto.srpauth import SRPAuthBadPassword
logger = logging.getLogger(__name__)
@@ -32,9 +34,163 @@ class PreferencesWindow(QtGui.QDialog):
"""
Window that displays the preferences.
"""
- def __init__(self, parent):
+
+ WEAK_PASSWORDS = ("123456", "qweasd", "qwerty", "password")
+
+ def __init__(self, parent, srp_auth, soledad):
+ """
+ :param parent: parent object of the PreferencesWindow.
+ :parent type: QWidget
+ :param srp_auth: SRPAuth object configured in the main app.
+ :type srp_auth: SRPAuth
+ :param soledad: Soledad object configured in the main app.
+ :type soledad: Soledad
+ """
QtGui.QDialog.__init__(self, parent)
+ self._srp_auth = srp_auth
+ self._soledad = soledad
+
# Load UI
self.ui = Ui_Preferences()
self.ui.setupUi(self)
+ self.ui.lblPasswordChangeStatus.setVisible(False)
+
+ # Connections
+ self.ui.pbChangePassword.clicked.connect(self._change_password)
+
+ def _basic_password_checks(self, username, password, password2):
+ """
+ Performs basic password checks to avoid really easy passwords.
+
+ :param username: username provided at the registrarion form
+ :type username: str
+ :param password: password from the registration form
+ :type password: str
+ :param password2: second password from the registration form
+ :type password: str
+
+ :returns: True and empty message if all the checks pass,
+ False and an error message otherwise
+ :rtype: tuple(bool, str)
+ """
+ message = None
+
+ if message is None and password != password2:
+ message = self.tr("Passwords don't match")
+
+ if message is None and len(password) < 6:
+ message = self.tr("Password too short")
+
+ if message is None and password in self.WEAK_PASSWORDS:
+ message = self.tr("Password too easy")
+
+ if message is None and username == password:
+ message = self.tr("Password equal to username")
+
+ return message is None, message
+
+ def _set_password_change_status(self, status, error=False, success=False):
+ """
+ Sets the status label for the password change.
+
+ :param status: status message to display, can be HTML
+ :type status: str
+ """
+ if error:
+ status = "<font color='red'><b>%s</b></font>" % (status,)
+ elif success:
+ status = "<font color='green'><b>%s</b></font>" % (status,)
+
+ self.ui.lblPasswordChangeStatus.setVisible(True)
+ self.ui.lblPasswordChangeStatus.setText(status)
+
+ def _set_changing_password(self, disable):
+ """
+ Enables or disables the widgets in the password change group box.
+
+ :param disable: True if the widgets should be disabled and
+ it displays the status label that shows that is
+ changing the password.
+ False if they should be enabled.
+ :type disable: bool
+ """
+ if disable:
+ self._set_password_change_disable(self.tr("Changing password..."))
+
+ self.ui.leCurrentPassword.setEnabled(not disable)
+ self.ui.leNewPassword.setEnabled(not disable)
+ self.ui.leNewPassword2.setEnabled(not disable)
+ self.ui.pbChangePassword.setEnabled(not disable)
+
+ def _change_password(self):
+ """
+ Changes the user's password if the inputboxes are correctly filled.
+ """
+ username = self._srp_auth.get_username()
+ current_password = self.ui.leCurrentPassword.text()
+ new_password = self.ui.leNewPassword.text()
+ new_password2 = self.ui.leNewPassword2.text()
+
+ ok, msg = self._basic_password_checks(
+ username, new_password, new_password2)
+
+ if not ok:
+ self._set_changing_password(False)
+ self._set_password_change_status(msg, error=True)
+ self.ui.leNewPassword.setFocus()
+ return
+
+ self._set_changing_password(True)
+ d = self._srp_auth.change_password(current_password, new_password)
+ d.addCallback(partial(self._change_password_success, new_password))
+ d.addErrback(self._change_password_problem)
+
+ def _change_password_success(self, new_password, _):
+ """
+ Callback used to display a successfully performed action.
+
+ :param new_password: the new password for the user.
+ :type new_password: str.
+ :param _: the returned data from self._srp_auth.change_password
+ Ignored
+ """
+ logger.debug("SRP password changed successfully.")
+ try:
+ self._soledad.change_passphrase(str(new_password))
+ logger.debug("Soledad password changed successfully.")
+ except NoStorageSecret:
+ logger.debug(
+ "No storage secret for password change in Soledad.")
+
+ self._set_password_change_status(
+ self.tr("Password changed successfully."), success=True)
+ self._clear_inputs()
+ self._set_changing_password(False)
+
+ def _change_password_problem(self, failure):
+ """
+ Errback called if there was a problem with the deferred.
+ Also is used to display an error message.
+
+ :param failure: the cause of the method failed.
+ :type failure: twisted.python.Failure
+ """
+ logger.error("Error changing password: %s", (failure, ))
+ problem = self.tr("There was a problem changing the password.")
+
+ if failure.check(SRPAuthBadPassword):
+ problem = self.tr("You did not enter a correct current password.")
+
+ self._set_password_change_status(problem, error=True)
+
+ self._set_changing_password(False)
+ failure.trap(Exception)
+
+ def _clear_inputs(self):
+ """
+ Clear the contents of the inputs.
+ """
+ self.ui.leCurrentPassword.setText("")
+ self.ui.leNewPassword.setText("")
+ self.ui.leNewPassword2.setText("")