| /* |
| * 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; |
| } |
| } |
| } |