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Implement command line support for CredentialsProvider 

Instead of configuring the JSch session factory, configure a more
generic CredentialsProvider, which will work for other transport
types such as http, in addition to the existing ssh.

Change-Id: I22b13303c17e654ba6720edf4be2ef15fe29537a
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
tags/v0.10.1
Shawn O. Pearce 13 years ago
parent
d279bc83b0
commit
17d9c68636
7 changed files with 386 additions and 335 deletions
Split View Show Diff Stats
  1. 2
    1
      org.eclipse.jgit.console/META-INF/MANIFEST.MF
  2. 175
    0
      org.eclipse.jgit.console/src/org/eclipse/jgit/console/ConsoleCredentialsProvider.java
  3. 0
    145
      org.eclipse.jgit.console/src/org/eclipse/jgit/console/ConsoleSshSessionFactory.java
  4. 3
    3
      org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Main.java
  5. 2
    1
      org.eclipse.jgit.ui/META-INF/MANIFEST.MF
  6. 204
    0
      org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/AwtCredentialsProvider.java
  7. 0
    185
      org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/AwtSshSessionFactory.java

+ 2
- 1
org.eclipse.jgit.console/META-INF/MANIFEST.MF View File

@@ -7,7 +7,8 @@ Bundle-Version: 0.10.0.qualifier
Bundle-Vendor: %provider_name
Bundle-RequiredExecutionEnvironment: JavaSE-1.6
Export-Package: org.eclipse.jgit.console;version="0.10.0"
Import-Package: org.eclipse.jgit.nls;version="[0.10.0,0.11.0)",
Import-Package: org.eclipse.jgit.errors;version="[0.10.0,0.11.0)",
org.eclipse.jgit.nls;version="[0.10.0,0.11.0)",
org.eclipse.jgit.transport;version="[0.10.0,0.11.0)",
org.eclipse.jgit.util;version="[0.10.0,0.11.0)"
Require-Bundle: com.jcraft.jsch;bundle-version="[0.1.37,0.2.0)"

+ 175
- 0
org.eclipse.jgit.console/src/org/eclipse/jgit/console/ConsoleCredentialsProvider.java View File

@@ -0,0 +1,175 @@
/*
* 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;
* 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.console;

import java.io.Console;

import org.eclipse.jgit.errors.UnsupportedCredentialItem;
import org.eclipse.jgit.transport.CredentialItem;
import org.eclipse.jgit.transport.CredentialsProvider;
import org.eclipse.jgit.transport.URIish;

/** Interacts with the user during authentication by using the text console. */
public class ConsoleCredentialsProvider extends CredentialsProvider {
/** Install this implementation as the default. */
public static void install() {
final ConsoleCredentialsProvider c = new ConsoleCredentialsProvider();
if (c.cons == null)
throw new NoClassDefFoundError(
ConsoleText.get().noSystemConsoleAvailable);
CredentialsProvider.setDefault(c);
}

private final Console cons = System.console();

@Override
public boolean isInteractive() {
return true;
}

@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;
}

@Override
public boolean get(URIish uri, CredentialItem... items)
throws UnsupportedCredentialItem {
boolean ok = true;
for (int i = 0; i < items.length && ok; i++) {
CredentialItem item = items[i];

if (item instanceof CredentialItem.StringType)
ok = get(uri, (CredentialItem.StringType) item);

else if (item instanceof CredentialItem.CharArrayType)
ok = get(uri, (CredentialItem.CharArrayType) item);

else if (item instanceof CredentialItem.YesNoType)
ok = get(uri, (CredentialItem.YesNoType) item);

else if (item instanceof CredentialItem.InformationalMessage)
ok = get(uri, (CredentialItem.InformationalMessage) item);

else
throw new UnsupportedCredentialItem(uri, item.getPromptText());
}
return ok;
}

private boolean get(URIish uri, CredentialItem.StringType item) {
if (item.isValueSecure()) {
char[] v = cons.readPassword("%s: ", item.getPromptText());
if (v != null) {
item.setValue(new String(v));
return true;
} else {
return false;
}
} else {
String v = cons.readLine("%s: ", item.getPromptText());
if (v != null) {
item.setValue(v);
return true;
} else {
return false;
}
}
}

private boolean get(URIish uri, CredentialItem.CharArrayType item) {
if (item.isValueSecure()) {
char[] v = cons.readPassword("%s: ", item.getPromptText());
if (v != null) {
item.setValueNoCopy(v);
return true;
} else {
return false;
}
} else {
String v = cons.readLine("%s: ", item.getPromptText());
if (v != null) {
item.setValueNoCopy(v.toCharArray());
return true;
} else {
return false;
}
}
}

private boolean get(URIish uri, CredentialItem.InformationalMessage item) {
cons.printf("%s\n", item.getPromptText());
cons.flush();
return true;
}

private boolean get(URIish uri, CredentialItem.YesNoType item) {
String r = cons.readLine("%s [%s/%s]? ", item.getPromptText(),
ConsoleText.get().answerYes, ConsoleText.get().answerNo);
if (r != null) {
item.setValue(ConsoleText.get().answerYes.equalsIgnoreCase(r));
return true;
} else {
return false;
}
}
}

+ 0
- 145
org.eclipse.jgit.console/src/org/eclipse/jgit/console/ConsoleSshSessionFactory.java View File

@@ -1,145 +0,0 @@
/*
* Copyright (C) 2009, 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;
* 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.console;

import java.io.Console;

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) the
* system console is used to display a prompt to the end-user.
*/
public class ConsoleSshSessionFactory extends SshConfigSessionFactory {
/** Install this session factory implementation into the JVM. */
public static void install() {
final ConsoleSshSessionFactory c = new ConsoleSshSessionFactory();
if (c.cons == null)
throw new NoClassDefFoundError(ConsoleText.get().noSystemConsoleAvailable);
SshSessionFactory.setInstance(c);
}

private final Console cons = System.console();

@Override
protected void configure(final OpenSshConfig.Host hc, final Session session) {
if (!hc.isBatchMode())
session.setUserInfo(new ConsoleUserInfo());
}

private class ConsoleUserInfo implements UserInfo, UIKeyboardInteractive {
private String passwd;

private String passphrase;

public void showMessage(final String msg) {
cons.printf("%s\n", msg);
cons.flush();
}

public boolean promptYesNo(final String msg) {
String r = cons.readLine("%s [%s/%s]? ", msg, ConsoleText.get().answerYes, ConsoleText.get().answerNo);
return ConsoleText.get().answerYes.equalsIgnoreCase(r);
}

public boolean promptPassword(final String msg) {
passwd = null;
char[] p = cons.readPassword("%s: ", msg);
if (p != null) {
passwd = new String(p);
return true;
}
return false;
}

public boolean promptPassphrase(final String msg) {
passphrase = null;
char[] p = cons.readPassword("%s: ", msg);
if (p != null) {
passphrase = new String(p);
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) {
cons.printf("%s: %s\n", destination, name);
cons.printf("%s\n", instruction);
final String[] response = new String[prompt.length];
for (int i = 0; i < prompt.length; i++) {
if (echo[i]) {
response[i] = cons.readLine("%s: ", prompt[i]);
} else {
final char[] p = cons.readPassword("%s: ", prompt[i]);
response[i] = p != null ? new String(p) : "";
}
}
return response;
}
}
}

+ 3
- 3
org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Main.java View File

@@ -55,7 +55,7 @@ import java.util.ArrayList;
import java.util.List;

import org.eclipse.jgit.awtui.AwtAuthenticator;
import org.eclipse.jgit.awtui.AwtSshSessionFactory;
import org.eclipse.jgit.awtui.AwtCredentialsProvider;
import org.eclipse.jgit.errors.TransportException;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.lib.RepositoryBuilder;
@@ -114,7 +114,7 @@ public class Main {
try {
if (!installConsole()) {
AwtAuthenticator.install();
AwtSshSessionFactory.install();
AwtCredentialsProvider.install();
}
configureHttpProxy();
execute(argv);
@@ -218,7 +218,7 @@ public class Main {
private static boolean installConsole() {
try {
install("org.eclipse.jgit.console.ConsoleAuthenticator");
install("org.eclipse.jgit.console.ConsoleSshSessionFactory");
install("org.eclipse.jgit.console.ConsoleCredentialsProvider");
return true;
} catch (ClassNotFoundException e) {
return false;

+ 2
- 1
org.eclipse.jgit.ui/META-INF/MANIFEST.MF View File

@@ -7,7 +7,8 @@ Bundle-Version: 0.10.0.qualifier
Bundle-Vendor: %provider_name
Bundle-RequiredExecutionEnvironment: J2SE-1.5
Export-Package: org.eclipse.jgit.awtui;version="0.10.0"
Import-Package: org.eclipse.jgit.lib;version="[0.10.0,0.11.0)",
Import-Package: org.eclipse.jgit.errors;version="[0.10.0,0.11.0)",
org.eclipse.jgit.lib;version="[0.10.0,0.11.0)",
org.eclipse.jgit.nls;version="[0.10.0,0.11.0)",
org.eclipse.jgit.revplot;version="[0.10.0,0.11.0)",
org.eclipse.jgit.revwalk;version="[0.10.0,0.11.0)",

+ 204
- 0
org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/AwtCredentialsProvider.java View File

@@ -0,0 +1,204 @@
/*
* 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;
* 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.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.CredentialItem;
import org.eclipse.jgit.transport.CredentialsProvider;
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() {
CredentialsProvider.setDefault(new AwtCredentialsProvider());
}

@Override
public boolean isInteractive() {
return true;
}

@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;
}

@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 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;
}
}

+ 0
- 185
org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/AwtSshSessionFactory.java View File

@@ -1,185 +0,0 @@
/*
* 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, UIText.get().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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