| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.workbench.ui.credentialmanager; |
| |
| import static java.awt.BorderLayout.CENTER; |
| import static java.awt.BorderLayout.NORTH; |
| import static java.awt.BorderLayout.SOUTH; |
| import static java.awt.Font.PLAIN; |
| import static javax.swing.BoxLayout.Y_AXIS; |
| import static javax.swing.JOptionPane.WARNING_MESSAGE; |
| import static javax.swing.JOptionPane.showMessageDialog; |
| import static net.sf.taverna.t2.workbench.ui.credentialmanager.CMStrings.WARN_TITLE; |
| |
| import java.awt.BorderLayout; |
| import java.awt.FlowLayout; |
| import java.awt.Font; |
| import java.awt.GridLayout; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.event.WindowAdapter; |
| import java.awt.event.WindowEvent; |
| |
| import javax.swing.BoxLayout; |
| import javax.swing.JButton; |
| import javax.swing.JFrame; |
| import javax.swing.JLabel; |
| import javax.swing.JPanel; |
| import javax.swing.JPasswordField; |
| import javax.swing.border.CompoundBorder; |
| import javax.swing.border.EmptyBorder; |
| import javax.swing.border.EtchedBorder; |
| |
| import net.sf.taverna.t2.security.credentialmanager.CredentialManager; |
| import net.sf.taverna.t2.workbench.helper.NonBlockedHelpEnabledDialog; |
| |
| /** |
| * Dialog used by users to change their master password for the Credential |
| * Manager. |
| */ |
| @SuppressWarnings("serial") |
| public class ChangeMasterPasswordDialog extends NonBlockedHelpEnabledDialog { |
| /** Old password entry field */ |
| private JPasswordField oldPasswordField; |
| /** New password entry field */ |
| private JPasswordField newPasswordField; |
| /** New password confirmation entry field */ |
| private JPasswordField newPasswordConfirmField; |
| /** The entered new password */ |
| private String password = null; |
| /** Instructions to the users as to what to do in the dialog */ |
| private String instructions; |
| private final CredentialManager credentialManager; |
| |
| public ChangeMasterPasswordDialog(JFrame parent, String title, |
| boolean modal, String instructions, |
| CredentialManager credentialManager) { |
| super(parent, title, modal, null); |
| this.instructions = instructions; |
| this.credentialManager = credentialManager; |
| initComponents(); |
| } |
| |
| private void initComponents() { |
| getContentPane().setLayout(new BorderLayout()); |
| |
| JLabel instructionsLabel = new JLabel(instructions); |
| instructionsLabel.setFont(new Font(null, PLAIN, 11)); |
| |
| JPanel instructionsPanel = new JPanel(); |
| instructionsPanel.setLayout(new BoxLayout(instructionsPanel, Y_AXIS)); |
| instructionsPanel.add(instructionsLabel); |
| instructionsPanel.setBorder(new EmptyBorder(10, 5, 10, 0)); |
| |
| JLabel oldPasswordLabel = new JLabel("Old master password"); |
| oldPasswordLabel.setBorder(new EmptyBorder(0, 5, 0, 0)); |
| |
| JLabel newPasswordLabel = new JLabel("New master password"); |
| newPasswordLabel.setBorder(new EmptyBorder(0, 5, 0, 0)); |
| |
| JLabel newPasswordConfirmLabel = new JLabel( |
| "Confirm new master password"); |
| newPasswordConfirmLabel.setBorder(new EmptyBorder(0, 5, 0, 0)); |
| |
| oldPasswordField = new JPasswordField(15); |
| newPasswordField = new JPasswordField(15); |
| newPasswordConfirmField = new JPasswordField(15); |
| |
| JPanel jpPassword = new JPanel(new GridLayout(0, 2, 5, 5)); |
| jpPassword.add(oldPasswordLabel); |
| jpPassword.add(oldPasswordField); |
| jpPassword.add(newPasswordLabel); |
| jpPassword.add(newPasswordField); |
| jpPassword.add(newPasswordConfirmLabel); |
| jpPassword.add(newPasswordConfirmField); |
| |
| JPanel mainPanel = new JPanel(new BorderLayout()); |
| mainPanel.setBorder(new CompoundBorder(new EmptyBorder(10, 10, 10, 10), |
| new EtchedBorder())); |
| mainPanel.add(instructionsPanel, NORTH); |
| mainPanel.add(jpPassword, CENTER); |
| |
| JButton okButton = new JButton("OK"); |
| okButton.addActionListener(new ActionListener() { |
| @Override |
| public void actionPerformed(ActionEvent evt) { |
| okPressed(); |
| } |
| }); |
| |
| JButton cancelButton = new JButton("Cancel"); |
| cancelButton.addActionListener(new ActionListener() { |
| @Override |
| public void actionPerformed(ActionEvent evt) { |
| cancelPressed(); |
| } |
| }); |
| JPanel buttonsPanel = new JPanel(new FlowLayout(FlowLayout.CENTER)); |
| buttonsPanel.add(okButton); |
| buttonsPanel.add(cancelButton); |
| |
| getContentPane().add(mainPanel, CENTER); |
| getContentPane().add(buttonsPanel, SOUTH); |
| |
| addWindowListener(new WindowAdapter() { |
| @Override |
| public void windowClosing(WindowEvent evt) { |
| closeDialog(); |
| } |
| }); |
| |
| setResizable(false); |
| getRootPane().setDefaultButton(okButton); |
| pack(); |
| } |
| |
| /** |
| * Get the password set in the dialog or null if none was set. |
| */ |
| public String getPassword() { |
| return password; |
| } |
| |
| /** |
| * Check that the user has provided the correct old master password, that |
| * the user has supplied the new password and confirmed it and that it is |
| * not empty. If all is OK, stores the new password in the password field. |
| * |
| */ |
| private boolean checkPassword() { |
| String oldPassword = new String(oldPasswordField.getPassword()); |
| |
| if (oldPassword.length() == 0) { |
| // old password must not be empty |
| showMessageDialog(this, |
| "You must provide your current master password", |
| WARN_TITLE, WARNING_MESSAGE); |
| return false; |
| } |
| |
| try { |
| if (!credentialManager.confirmMasterPassword(oldPassword)) { |
| showMessageDialog(this, |
| "You have provided an incorrect master password", |
| WARN_TITLE, WARNING_MESSAGE); |
| return false; |
| } |
| } catch (Exception e) { |
| showMessageDialog( |
| this, |
| "Credential Manager could not verify your current master password", |
| WARN_TITLE, WARNING_MESSAGE); |
| return false; |
| } |
| |
| String newPassword = new String(newPasswordField.getPassword()); |
| String newPasswordConfirm = new String( |
| newPasswordConfirmField.getPassword()); |
| |
| if (!newPassword.equals(newPasswordConfirm)) { |
| // passwords do not match |
| showMessageDialog(this, "Passwords do not match", WARN_TITLE, |
| WARNING_MESSAGE); |
| return false; |
| } |
| |
| if (newPassword.isEmpty()) { |
| // passwords match but are empty |
| showMessageDialog(this, "The new master password cannot be empty", |
| WARN_TITLE, WARNING_MESSAGE); |
| return false; |
| } |
| |
| // passwords match and not empty |
| password = newPassword; |
| return true; |
| } |
| |
| private void okPressed() { |
| if (checkPassword()) |
| closeDialog(); |
| } |
| |
| private void cancelPressed() { |
| /* |
| * Set the password to null as it might have changed in the meantime if |
| * user entered something then cancelled. |
| */ |
| password = null; |
| closeDialog(); |
| } |
| |
| private void closeDialog() { |
| setVisible(false); |
| dispose(); |
| } |
| } |