ConsoleCredentialsProvider.java
- /*
- * 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.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;
- } 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(), //$NON-NLS-1$
- CLIText.get().answerYes, CLIText.get().answerNo);
- if (r != null) {
- item.setValue(CLIText.get().answerYes.equalsIgnoreCase(r));
- return true;
- } else {
- return false;
- }
- }
- }