/*
* 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((CredentialItem.StringType) item);
else if (item instanceof CredentialItem.CharArrayType)
ok = get((CredentialItem.CharArrayType) item);
else if (item instanceof CredentialItem.YesNoType)
ok = get((CredentialItem.YesNoType) item);
else if (item instanceof CredentialItem.InformationalMessage)
ok = get((CredentialItem.InformationalMessage) item);
else
throw new UnsupportedCredentialItem(uri, item.getPromptText());
}
return ok;
}
private boolean get(CredentialItem.StringType item) {
if (item.isValueSecure()) {
char[] v = cons.readPassword("%s: ", item.getPromptText()); //$NON-NLS-1$
if (v != null) {
item.setValue(new String(v));
return true;
} else {
return false;
}
} else {
String v = cons.readLine("%s: ", item.getPromptText()); //$NON-NLS-1$
if (v != null) {
item.setValue(v);
return true;
} else {
return false;
}
}
}
private boolean get(CredentialItem.CharArrayType item) {
if (item.isValueSecure()) {
char[] v = cons.readPassword("%s: ", item.getPromptText()); //$NON-NLS-1$
if (v != null) {
item.setValueNoCopy(v);
return true;
} else {
return false;
}
} else {
String v = cons.readLine("%s: ", item.getPromptText()); //$NON-NLS-1$
if (v != null) {
item.setValueNoCopy(v.toCharArray());
return true;
} else {
return false;
}
}
}
private boolean get(CredentialItem.InformationalMessage item) {
cons.printf("%s\n", item.getPromptText()); //$NON-NLS-1$
cons.flush();
return true;
}
private boolean get(CredentialItem.YesNoType item) {
String r = cons.readLine("%s [%s/%s]? ", item.getPromptText(), //$NON-NLS-1$
ConsoleText.get().answerYes, ConsoleText.get().answerNo);
if (r != null) {
item.setValue(ConsoleText.get().answerYes.equalsIgnoreCase(r));
return true;
} else {
return false;
}
}
}