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/*
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.awtui;
import java.awt.Container;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import org.eclipse.jgit.transport.OpenSshConfig;
import org.eclipse.jgit.transport.SshConfigSessionFactory;
import org.eclipse.jgit.transport.SshSessionFactory;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.UIKeyboardInteractive;
import com.jcraft.jsch.UserInfo;
/**
* Loads known hosts and private keys from <code>$HOME/.ssh</code>.
* <p>
* This is the default implementation used by JGit and provides most of the
* compatibility necessary to match OpenSSH, a popular implementation of SSH
* used by C Git.
* <p>
* If user interactivity is required by SSH (e.g. to obtain a password) AWT is
* used to display a password input field to the end-user.
*/
public class AwtSshSessionFactory extends SshConfigSessionFactory {
/** Install this session factory implementation into the JVM. */
public static void install() {
SshSessionFactory.setInstance(new AwtSshSessionFactory());
}
@Override
protected void configure(final OpenSshConfig.Host hc, final Session session) {
if (!hc.isBatchMode())
session.setUserInfo(new AWT_UserInfo());
}
private static class AWT_UserInfo implements UserInfo,
UIKeyboardInteractive {
private String passwd;
private String passphrase;
public void showMessage(final String msg) {
JOptionPane.showMessageDialog(null, msg);
}
public boolean promptYesNo(final String msg) {
return JOptionPane.showConfirmDialog(null, msg, "Warning",
JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION;
}
public boolean promptPassword(final String msg) {
passwd = null;
final JPasswordField passwordField = new JPasswordField(20);
final int result = JOptionPane.showConfirmDialog(null,
new Object[] { passwordField }, msg,
JOptionPane.OK_CANCEL_OPTION);
if (result == JOptionPane.OK_OPTION) {
passwd = new String(passwordField.getPassword());
return true;
}
return false;
}
public boolean promptPassphrase(final String msg) {
passphrase = null;
final JPasswordField passwordField = new JPasswordField(20);
final int result = JOptionPane.showConfirmDialog(null,
new Object[] { passwordField }, msg,
JOptionPane.OK_CANCEL_OPTION);
if (result == JOptionPane.OK_OPTION) {
passphrase = new String(passwordField.getPassword());
return true;
}
return false;
}
public String getPassword() {
return passwd;
}
public String getPassphrase() {
return passphrase;
}
public String[] promptKeyboardInteractive(final String destination,
final String name, final String instruction,
final String[] prompt, final boolean[] echo) {
final GridBagConstraints gbc = new GridBagConstraints(0, 0, 1, 1,
1, 1, GridBagConstraints.NORTHWEST,
GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0);
final Container panel = new JPanel();
panel.setLayout(new GridBagLayout());
gbc.weightx = 1.0;
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.gridx = 0;
panel.add(new JLabel(instruction), gbc);
gbc.gridy++;
gbc.gridwidth = GridBagConstraints.RELATIVE;
final JTextField[] texts = new JTextField[prompt.length];
for (int i = 0; i < prompt.length; i++) {
gbc.fill = GridBagConstraints.NONE;
gbc.gridx = 0;
gbc.weightx = 1;
panel.add(new JLabel(prompt[i]), gbc);
gbc.gridx = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.weighty = 1;
if (echo[i]) {
texts[i] = new JTextField(20);
} else {
texts[i] = new JPasswordField(20);
}
panel.add(texts[i], gbc);
gbc.gridy++;
}
if (JOptionPane.showConfirmDialog(null, panel, destination + ": "
+ name, JOptionPane.OK_CANCEL_OPTION,
JOptionPane.QUESTION_MESSAGE) == JOptionPane.OK_OPTION) {
String[] response = new String[prompt.length];
for (int i = 0; i < prompt.length; i++) {
response[i] = texts[i].getText();
}
return response;
}
return null; // cancel
}
}
}
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