123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126 |
- /*
- * 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.util;
-
- import java.net.Authenticator;
- import java.net.PasswordAuthentication;
- import java.util.Collection;
- import java.util.concurrent.CopyOnWriteArrayList;
-
- /** Abstract authenticator which remembers prior authentications. */
- public abstract class CachedAuthenticator extends Authenticator {
- private static final Collection<CachedAuthentication> cached = new CopyOnWriteArrayList<CachedAuthentication>();
-
- /**
- * Add a cached authentication for future use.
- *
- * @param ca
- * the information we should remember.
- */
- public static void add(final CachedAuthentication ca) {
- cached.add(ca);
- }
-
- @Override
- protected final PasswordAuthentication getPasswordAuthentication() {
- final String host = getRequestingHost();
- final int port = getRequestingPort();
- for (final CachedAuthentication ca : cached) {
- if (ca.host.equals(host) && ca.port == port)
- return ca.toPasswordAuthentication();
- }
- PasswordAuthentication pa = promptPasswordAuthentication();
- if (pa != null) {
- CachedAuthentication ca = new CachedAuthentication(host, port, pa
- .getUserName(), new String(pa.getPassword()));
- add(ca);
- return ca.toPasswordAuthentication();
- }
- return null;
- }
-
- /**
- * Prompt for and request authentication from the end-user.
- *
- * @return the authentication data; null if the user canceled the request
- * and does not want to continue.
- */
- protected abstract PasswordAuthentication promptPasswordAuthentication();
-
- /** Authentication data to remember and reuse. */
- public static class CachedAuthentication {
- final String host;
-
- final int port;
-
- final String user;
-
- final String pass;
-
- /**
- * Create a new cached authentication.
- *
- * @param aHost
- * system this is for.
- * @param aPort
- * port number of the service.
- * @param aUser
- * username at the service.
- * @param aPass
- * password at the service.
- */
- public CachedAuthentication(final String aHost, final int aPort,
- final String aUser, final String aPass) {
- host = aHost;
- port = aPort;
- user = aUser;
- pass = aPass;
- }
-
- PasswordAuthentication toPasswordAuthentication() {
- return new PasswordAuthentication(user, pass.toCharArray());
- }
- }
- }
|