| /* |
| * Copyright (C) 2009, Google Inc. |
| * 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.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<>(); |
| |
| /** |
| * Add a cached authentication for future use. |
| * |
| * @param ca |
| * the information we should remember. |
| */ |
| public static void add(CachedAuthentication ca) { |
| cached.add(ca); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected final PasswordAuthentication getPasswordAuthentication() { |
| final String host = getRequestingHost(); |
| final int port = getRequestingPort(); |
| for (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()); |
| } |
| } |
| } |