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/*
* Copyright (C) 2010, Google Inc.
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.console;
import java.io.Console;
import org.eclipse.jgit.errors.UnsupportedCredentialItem;
import org.eclipse.jgit.pgm.internal.CLIText;
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 the text console.
*
* @since 4.0
*/
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(
CLIText.get().noSystemConsoleAvailable);
CredentialsProvider cp = new ChainingCredentialsProvider(
new NetRCCredentialsProvider(), c);
CredentialsProvider.setDefault(cp);
}
private final Console cons = System.console();
/** {@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 {
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;
}
return false;
}
String v = cons.readLine("%s: ", item.getPromptText()); //$NON-NLS-1$
if (v != null) {
item.setValue(v);
return true;
}
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;
}
return false;
}
String v = cons.readLine("%s: ", item.getPromptText()); //$NON-NLS-1$
if (v != null) {
item.setValueNoCopy(v.toCharArray());
return true;
}
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(), //$NON-NLS-1$
CLIText.get().answerYes, CLIText.get().answerNo);
if (r != null) {
item.setValue(CLIText.get().answerYes.equalsIgnoreCase(r));
return true;
}
return false;
}
}
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