diff options
Diffstat (limited to 'pki/base/common/src/com/netscape/cmscore/base/JDialogPasswordCallback.java')
| -rw-r--r-- | pki/base/common/src/com/netscape/cmscore/base/JDialogPasswordCallback.java | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/pki/base/common/src/com/netscape/cmscore/base/JDialogPasswordCallback.java b/pki/base/common/src/com/netscape/cmscore/base/JDialogPasswordCallback.java new file mode 100644 index 000000000..93d88a550 --- /dev/null +++ b/pki/base/common/src/com/netscape/cmscore/base/JDialogPasswordCallback.java @@ -0,0 +1,256 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// 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; version 2 of the License. +// +// 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, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package com.netscape.cmscore.base; + + +import javax.swing.*; +import java.awt.*; +import java.awt.event.*; +import org.mozilla.jss.util.Password; +import org.mozilla.jss.util.PasswordCallback; +import org.mozilla.jss.util.PasswordCallbackInfo; +import org.mozilla.jss.*; +import org.mozilla.jss.crypto.CryptoToken; +import javax.swing.border.EmptyBorder; + + +/** + * A class to retrieve passwords through a modal Java dialog box + */ +public class JDialogPasswordCallback implements PasswordCallback { + + public Password getPasswordFirstAttempt(PasswordCallbackInfo info) + throws PasswordCallback.GiveUpException { + return getPW(info, false); + } + + public Password getPasswordAgain(PasswordCallbackInfo info) + throws PasswordCallback.GiveUpException { + return getPW(info, true); + } + + // This structure holds information local to a getPW() call, for use + // by action listeners + private static class PWHolder { + public Password password = null; + public boolean cancelled = true; + } + + private void resetGBC(GridBagConstraints gbc) { + gbc.gridx = gbc.RELATIVE; + gbc.gridy = gbc.RELATIVE; + gbc.gridwidth = 1; + gbc.gridheight = 1; + gbc.fill = gbc.HORIZONTAL; + gbc.anchor = gbc.CENTER; + gbc.ipadx = 0; + gbc.ipady = 0; + gbc.weightx = 0.0; + gbc.weighty = 0.0; + } + + /** + * This function can be overriden if different heading is required. + */ + public String getPrompt(PasswordCallbackInfo info) { + return "Enter the password for \"" + info.getName() + "\": "; + } + + /** + * This method does the work of displaying the dialog box, + * extracting the information, and returning it. + */ + private Password getPW(PasswordCallbackInfo info, boolean retry) + throws PasswordCallback.GiveUpException { + // These need to final so they can be accessed from action listeners + final PWHolder pwHolder = new PWHolder(); + final JFrame f = new JFrame("Password Dialog"); + final JPasswordField pwField = new JPasswordField(15); + + /////////////////////////////////////////////////// + // Panel + /////////////////////////////////////////////////// + JPanel contentPane = new JPanel(new GridBagLayout()); + + contentPane.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); + GridBagConstraints c = new GridBagConstraints(); + + //////////////////////////////////////////////////// + // Labels + //////////////////////////////////////////////////// + + if (retry) { + JLabel warning = new JLabel("Password incorrect."); + + warning.setForeground(Color.red); + resetGBC(c); + c.anchor = c.NORTHWEST; + c.gridwidth = c.REMAINDER; + // Setting this to NULL causes nasty Exception stack traces + // to be printed, although the program still seems to work + //warning.setHighlighter(null); + contentPane.add(warning, c); + } + + String prompt = getPrompt(info); + JLabel label = new JLabel(prompt); + + label.setForeground(Color.black); + // Setting this to NULL causes nasty Exception stack traces + // to be printed, although the program still seems to work + //label.setHighlighter(null); + resetGBC(c); + c.anchor = c.NORTHWEST; + c.gridwidth = c.REMAINDER; + contentPane.add(label, c); + + /////////////////////////////////////////////////// + // Password text field + /////////////////////////////////////////////////// + + // Listener for the text field + ActionListener getPasswordListener = new ActionListener() { + public void actionPerformed(ActionEvent e) { + //input = (JPasswordField)e.getSource(); + + // XXX!!! Change to char[] in JDK 1.2 + String pwString = pwField.getText(); + + pwHolder.password = new Password(pwString.toCharArray()); + pwHolder.cancelled = false; + f.dispose(); + } + }; + + // There is a bug in JPasswordField. The cursor is advanced by the + // width of the character you type, but a '*' is echoed, so the + // cursor does not stay lined up with the end of the text. + // We use a monospaced font to workaround this. + + pwField.setFont(new Font("Monospaced", Font.PLAIN, + pwField.getFont().getSize())); + pwField.setEchoChar('*'); + pwField.addActionListener(getPasswordListener); + resetGBC(c); + c.anchor = c.CENTER; + c.fill = c.NONE; + c.insets = new Insets(16, 0, 0, 0); + c.gridwidth = c.REMAINDER; + //c.gridy++; + contentPane.add(pwField, c); + + /////////////////////////////////////////////////// + // Cancel button + /////////////////////////////////////////////////// + + JPanel buttonPanel = new JPanel(new GridBagLayout()); + + JButton ok = new JButton(" OK "); + + ok.addActionListener(getPasswordListener); + resetGBC(c); + c.fill = c.NONE; + c.anchor = c.CENTER; + c.gridheight = c.REMAINDER; + c.insets = new Insets(10, 0, 0, 4); + buttonPanel.add(ok, c); + + JButton cancel = new JButton("Cancel"); + ActionListener buttonListener = new ActionListener() { + public void actionPerformed(ActionEvent e) { + pwHolder.cancelled = true; + f.dispose(); + } + }; + + cancel.addActionListener(buttonListener); + resetGBC(c); + c.fill = c.NONE; + c.anchor = c.CENTER; + c.insets = new Insets(10, 4, 0, 0); + c.gridheight = c.REMAINDER; + c.gridwidth = c.REMAINDER; + buttonPanel.add(cancel, c); + + resetGBC(c); + c.fill = c.NONE; + c.anchor = c.CENTER; + c.gridwidth = c.REMAINDER; + c.gridheight = c.REMAINDER; + c.insets = new Insets(0, 0, 0, 0); + contentPane.add(buttonPanel, c); + + /////////////////////////////////////////////////// + // Create modal dialog + /////////////////////////////////////////////////// + JDialog d = new JDialog(f, "Fedora Certificate System", true); + + WindowListener windowListener = new WindowAdapter() { + public void windowOpened(WindowEvent e) { + pwField.requestFocus(); + } + }; + + d.addWindowListener(windowListener); + + d.setContentPane(contentPane); + d.pack(); + Dimension screenSize = d.getToolkit().getScreenSize(); + Dimension paneSize = d.getSize(); + + d.setLocation((screenSize.width - paneSize.width) / 2, + (screenSize.height - paneSize.height) / 2); + d.getRootPane().setDefaultButton(ok); + + // toFront seems to cause the dialog to go blank on unix! + //d.toFront(); + + d.show(); + + /////////////////////////////////////////////////// + // Return results + /////////////////////////////////////////////////// + if (pwHolder.cancelled) { + throw new PasswordCallback.GiveUpException(); + } + + return pwHolder.password; + } + + // Test program + public static void main(String args[]) { + try { + CryptoManager manager; + + CryptoManager.InitializationValues iv = new + CryptoManager.InitializationValues(args[0]); + + CryptoManager.initialize(iv); + manager = CryptoManager.getInstance(); + + CryptoToken tok = manager.getInternalKeyStorageToken(); + + tok.login(new JDialogPasswordCallback()); + System.out.println("Logged in!!!"); + System.exit(0); + } catch (Exception e) { + e.printStackTrace(); + System.exit(-1); + } + } +} |