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1   /*
2    * Copyright (C) 2009, Google Inc.
3    * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
4    * and other copyright owners as documented in the project's IP log.
5    *
6    * This program and the accompanying materials are made available
7    * under the terms of the Eclipse Distribution License v1.0 which
8    * accompanies this distribution, is reproduced below, and is
9    * available at http://www.eclipse.org/org/documents/edl-v10.php
10   *
11   * All rights reserved.
12   *
13   * Redistribution and use in source and binary forms, with or
14   * without modification, are permitted provided that the following
15   * conditions are met:
16   *
17   * - Redistributions of source code must retain the above copyright
18   *   notice, this list of conditions and the following disclaimer.
19   *
20   * - Redistributions in binary form must reproduce the above
21   *   copyright notice, this list of conditions and the following
22   *   disclaimer in the documentation and/or other materials provided
23   *   with the distribution.
24   *
25   * - Neither the name of the Eclipse Foundation, Inc. nor the
26   *   names of its contributors may be used to endorse or promote
27   *   products derived from this software without specific prior
28   *   written permission.
29   *
30   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
31   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
32   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
33   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
35   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
37   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
38   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
39   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
41   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
42   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43   */
44  
45  package org.eclipse.jgit.awtui;
46  
47  import java.awt.Container;
48  import java.awt.GridBagConstraints;
49  import java.awt.GridBagLayout;
50  import java.awt.Insets;
51  import java.net.PasswordAuthentication;
52  
53  import javax.swing.JLabel;
54  import javax.swing.JOptionPane;
55  import javax.swing.JPanel;
56  import javax.swing.JPasswordField;
57  import javax.swing.JTextField;
58  
59  import org.eclipse.jgit.util.CachedAuthenticator;
60  
61  /** Basic network prompt for username/password when using AWT. */
62  public class AwtAuthenticator extends CachedAuthenticator {
63  	/** Install this authenticator implementation into the JVM. */
64  	public static void install() {
65  		setDefault(new AwtAuthenticator());
66  	}
67  
68  	@Override
69  	protected PasswordAuthentication promptPasswordAuthentication() {
70  		final GridBagConstraints gbc = new GridBagConstraints(0, 0, 1, 1, 1, 1,
71  				GridBagConstraints.NORTHWEST, GridBagConstraints.NONE,
72  				new Insets(0, 0, 0, 0), 0, 0);
73  		final Container panel = new JPanel();
74  		panel.setLayout(new GridBagLayout());
75  
76  		final StringBuilder instruction = new StringBuilder();
77  		instruction.append(UIText.get().enterUsernameAndPasswordFor);
78  		instruction.append(" "); //$NON-NLS-1$
79  		if (getRequestorType() == RequestorType.PROXY) {
80  			instruction.append(getRequestorType());
81  			instruction.append(" "); //$NON-NLS-1$
82  			instruction.append(getRequestingHost());
83  			if (getRequestingPort() > 0) {
84  				instruction.append(":"); //$NON-NLS-1$
85  				instruction.append(getRequestingPort());
86  			}
87  		} else {
88  			instruction.append(getRequestingURL());
89  		}
90  
91  		gbc.weightx = 1.0;
92  		gbc.gridwidth = GridBagConstraints.REMAINDER;
93  		gbc.gridx = 0;
94  		panel.add(new JLabel(instruction.toString()), gbc);
95  		gbc.gridy++;
96  
97  		gbc.gridwidth = GridBagConstraints.RELATIVE;
98  
99  		// Username
100 		//
101 		final JTextField username;
102 		gbc.fill = GridBagConstraints.NONE;
103 		gbc.gridx = 0;
104 		gbc.weightx = 1;
105 		panel.add(new JLabel(UIText.get().username), gbc);
106 
107 		gbc.gridx = 1;
108 		gbc.fill = GridBagConstraints.HORIZONTAL;
109 		gbc.weighty = 1;
110 		username = new JTextField(20);
111 		panel.add(username, gbc);
112 		gbc.gridy++;
113 
114 		// Password
115 		//
116 		final JPasswordField password;
117 		gbc.fill = GridBagConstraints.NONE;
118 		gbc.gridx = 0;
119 		gbc.weightx = 1;
120 		panel.add(new JLabel(UIText.get().password), gbc);
121 
122 		gbc.gridx = 1;
123 		gbc.fill = GridBagConstraints.HORIZONTAL;
124 		gbc.weighty = 1;
125 		password = new JPasswordField(20);
126 		panel.add(password, gbc);
127 		gbc.gridy++;
128 
129 		if (JOptionPane.showConfirmDialog(null, panel,
130 				UIText.get().authenticationRequired, JOptionPane.OK_CANCEL_OPTION,
131 				JOptionPane.QUESTION_MESSAGE) == JOptionPane.OK_OPTION) {
132 			return new PasswordAuthentication(username.getText(), password
133 					.getPassword());
134 		}
135 
136 		return null; // cancel
137 	}
138 }