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/*
* Copyright (C) 2009, Google Inc.
* 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 java.net.Authenticator;
import java.net.PasswordAuthentication;
import java.text.MessageFormat;
import org.eclipse.jgit.pgm.internal.CLIText;
import org.eclipse.jgit.util.CachedAuthenticator;
/**
* Basic network prompt for username/password when using the console.
*
* @since 4.0
*/
public class ConsoleAuthenticator extends CachedAuthenticator {
/** Install this authenticator implementation into the JVM. */
public static void install() {
final ConsoleAuthenticator c = new ConsoleAuthenticator();
if (c.cons == null)
throw new NoClassDefFoundError(
CLIText.get().noSystemConsoleAvailable);
Authenticator.setDefault(c);
}
private final Console cons = System.console();
@Override
protected PasswordAuthentication promptPasswordAuthentication() {
final String realm = formatRealm();
String username = cons.readLine(MessageFormat.format(
CLIText.get().usernameFor + " ", realm)); //$NON-NLS-1$
if (username == null || username.isEmpty()) {
return null;
}
char[] password = cons.readPassword(CLIText.get().password + " "); //$NON-NLS-1$
if (password == null) {
password = new char[0];
}
return new PasswordAuthentication(username, password);
}
private String formatRealm() {
final StringBuilder realm = new StringBuilder();
if (getRequestorType() == RequestorType.PROXY) {
realm.append(getRequestorType());
realm.append(" "); //$NON-NLS-1$
realm.append(getRequestingHost());
if (getRequestingPort() > 0) {
realm.append(":"); //$NON-NLS-1$
realm.append(getRequestingPort());
}
} else {
realm.append(getRequestingURL());
}
return realm.toString();
}
}
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