Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Preferences/ConfigurationPages/MasterPasswordEntryDialog.py	Sun Jun 19 15:19:46 2011 +0200
@@ -0,0 +1,108 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2011 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog to enter or change the master password.
+"""
+
+from PyQt4.QtCore import pyqtSlot
+from PyQt4.QtGui import QDialog, QDialogButtonBox
+
+from .Ui_MasterPasswordEntryDialog import Ui_MasterPasswordEntryDialog
+
+from Utilities.crypto.py3PBKDF2 import verifyPassword
+
+
+class MasterPasswordEntryDialog(QDialog, Ui_MasterPasswordEntryDialog):
+    """
+    Class implementing a dialog to enter or change the master password.
+    """
+    def __init__(self, oldPasswordHash, parent=None):
+        """
+        Constructor
+        
+        @param oldPasswordHash hash of the current password (string)
+        @param parent reference to the parent widget (QWidget)
+        """
+        QDialog.__init__(self, parent)
+        self.setupUi(self)
+        
+        self.__oldPasswordHash = oldPasswordHash
+        if self.__oldPasswordHash == "":
+            self.currentPasswordEdit.setEnabled(False)
+            if hasattr(self.currentPasswordEdit, "setPlaceholderText"):
+                self.currentPasswordEdit.setPlaceholderText(
+                    self.trUtf8("(not defined yet)"))
+        
+        self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(False)
+    
+    def __updateUI(self):
+        """
+        Private slot to update the variable parts of the UI.
+        """
+        enable = True
+        error = ""
+        if self.currentPasswordEdit.isEnabled():
+            enable = \
+                verifyPassword(self.currentPasswordEdit.text(), self.__oldPasswordHash)
+            if not enable:
+                error = error or self.trUtf8("Wrong password entered.")
+        
+        if self.newPasswordEdit.text() == "":
+            enable = False
+            error = error or self.trUtf8("New password must not be empty.")
+        
+        if self.newPasswordEdit.text() != "" and \
+           self.newPasswordEdit.text() != self.newPasswordAgainEdit.text():
+            enable = False
+            error = error or self.trUtf8("Repeated password is wrong.")
+        
+        if self.currentPasswordEdit.isEnabled():
+            if self.newPasswordEdit.text() == self.currentPasswordEdit.text():
+                enable = False
+                error = error or self.trUtf8("Old and new password must not be the same.")
+        
+        self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(enable)
+        self.errorLabel.setText(error)
+    
+    @pyqtSlot(str)
+    def on_currentPasswordEdit_textChanged(self, txt):
+        """
+        Private slot to handle changes of the current password.
+        
+        @param txt content of the edit widget (string)
+        """
+        self.__updateUI()
+    
+    @pyqtSlot(str)
+    def on_newPasswordEdit_textChanged(self, txt):
+        """
+        Private slot to handle changes of the new password.
+        
+        @param txt content of the edit widget (string)
+        """
+        self.passwordMeter.checkPasswordStrength(txt)
+        self.__updateUI()
+    
+    @pyqtSlot(str)
+    def on_newPasswordAgainEdit_textChanged(self, txt):
+        """
+        Private slot to handle changes of the new again password.
+        
+        @param txt content of the edit widget (string)
+        """
+        self.__updateUI()
+    
+    def getMasterPassword(self):
+        """
+        Public method to get the new master password.
+        """
+        return self.newPasswordEdit.text()
+    
+    def getCurrentPassword(self):
+        """
+        Public method to get the current master password.
+        """
+        return self.currentPasswordEdit.text()