AwtCredentialsProvider.java
/*
* Copyright (C) 2010, Google Inc.
* 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;
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package org.eclipse.jgit.awtui;
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.errors.UnsupportedCredentialItem;
import org.eclipse.jgit.transport.ChainingCredentialsProvider;
import org.eclipse.jgit.transport.CredentialItem;
import org.eclipse.jgit.transport.CredentialsProvider;
import org.eclipse.jgit.transport.NetRCCredentialsProvider;
import org.eclipse.jgit.transport.URIish;
/**
* Interacts with the user during authentication by using AWT/Swing dialogs.
*/
public class AwtCredentialsProvider extends CredentialsProvider {
/**
* Install this implementation as the default.
*/
public static void install() {
final AwtCredentialsProvider c = new AwtCredentialsProvider();
CredentialsProvider cp = new ChainingCredentialsProvider(
new NetRCCredentialsProvider(), c);
CredentialsProvider.setDefault(cp);
}
/** {@inheritDoc} */
@Override
public boolean isInteractive() {
return true;
}
/** {@inheritDoc} */
@Override
public boolean supports(CredentialItem... items) {
for (CredentialItem i : items) {
if (i instanceof CredentialItem.StringType)
continue;
else if (i instanceof CredentialItem.CharArrayType)
continue;
else if (i instanceof CredentialItem.YesNoType)
continue;
else if (i instanceof CredentialItem.InformationalMessage)
continue;
else
return false;
}
return true;
}
/** {@inheritDoc} */
@Override
public boolean get(URIish uri, CredentialItem... items)
throws UnsupportedCredentialItem {
if (items.length == 0) {
return true;
} else if (items.length == 1) {
final CredentialItem item = items[0];
if (item instanceof CredentialItem.InformationalMessage) {
JOptionPane.showMessageDialog(null, item.getPromptText(),
UIText.get().warning, JOptionPane.INFORMATION_MESSAGE);
return true;
} else if (item instanceof CredentialItem.YesNoType) {
CredentialItem.YesNoType v = (CredentialItem.YesNoType) item;
int r = JOptionPane.showConfirmDialog(null, v.getPromptText(),
UIText.get().warning, JOptionPane.YES_NO_OPTION);
switch (r) {
case JOptionPane.YES_OPTION:
v.setValue(true);
return true;
case JOptionPane.NO_OPTION:
v.setValue(false);
return true;
case JOptionPane.CANCEL_OPTION:
case JOptionPane.CLOSED_OPTION:
default:
return false;
}
} else {
return interactive(uri, items);
}
} else {
return interactive(uri, items);
}
}
private static boolean interactive(URIish uri, CredentialItem[] items) {
final GridBagConstraints gbc = new GridBagConstraints(0, 0, 1, 1, 1, 1,
GridBagConstraints.NORTHWEST, GridBagConstraints.NONE,
new Insets(0, 0, 0, 0), 0, 0);
final JPanel panel = new JPanel();
panel.setLayout(new GridBagLayout());
final JTextField[] texts = new JTextField[items.length];
for (int i = 0; i < items.length; i++) {
CredentialItem item = items[i];
if (item instanceof CredentialItem.StringType
|| item instanceof CredentialItem.CharArrayType) {
gbc.fill = GridBagConstraints.NONE;
gbc.gridwidth = GridBagConstraints.RELATIVE;
gbc.gridx = 0;
panel.add(new JLabel(item.getPromptText()), gbc);
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.gridwidth = GridBagConstraints.RELATIVE;
gbc.gridx = 1;
if (item.isValueSecure())
texts[i] = new JPasswordField(20);
else
texts[i] = new JTextField(20);
panel.add(texts[i], gbc);
gbc.gridy++;
} else if (item instanceof CredentialItem.InformationalMessage) {
gbc.fill = GridBagConstraints.NONE;
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.gridx = 0;
panel.add(new JLabel(item.getPromptText()), gbc);
gbc.gridy++;
} else {
throw new UnsupportedCredentialItem(uri, item.getPromptText());
}
}
if (JOptionPane.showConfirmDialog(null, panel,
UIText.get().authenticationRequired,
JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE) != JOptionPane.OK_OPTION)
return false; // cancel
for (int i = 0; i < items.length; i++) {
CredentialItem item = items[i];
JTextField f = texts[i];
if (item instanceof CredentialItem.StringType) {
CredentialItem.StringType v = (CredentialItem.StringType) item;
if (f instanceof JPasswordField)
v.setValue(new String(((JPasswordField) f).getPassword()));
else
v.setValue(f.getText());
} else if (item instanceof CredentialItem.CharArrayType) {
CredentialItem.CharArrayType v = (CredentialItem.CharArrayType) item;
if (f instanceof JPasswordField)
v.setValueNoCopy(((JPasswordField) f).getPassword());
else
v.setValueNoCopy(f.getText().toCharArray());
}
}
return true;
}
}