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This makes it easier to swap out authenticator implementations and yet still rely upon being able to configure at least one Authenticator instance in the JVM and program it with data obtained from outside of the user interface. Change-Id: I8c1a0eb8acee1d306f4c3b40a790b7fa0c3abb70 Signed-off-by: Shawn O. Pearce <spearce@spearce.org>stable-0.7
Shawn O. Pearce
15 years ago
4 changed files with 139 additions and 70 deletions
@ -0,0 +1,126 @@
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/* |
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* Copyright (C) 2009, Google Inc. |
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* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
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* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.eclipse.jgit.util; |
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import java.net.Authenticator; |
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import java.net.PasswordAuthentication; |
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import java.util.Collection; |
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import java.util.concurrent.CopyOnWriteArrayList; |
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/** Abstract authenticator which remembers prior authentications. */ |
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public abstract class CachedAuthenticator extends Authenticator { |
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private static final Collection<CachedAuthentication> cached = new CopyOnWriteArrayList<CachedAuthentication>(); |
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/** |
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* Add a cached authentication for future use. |
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* |
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* @param ca |
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* the information we should remember. |
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*/ |
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public static void add(final CachedAuthentication ca) { |
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cached.add(ca); |
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} |
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@Override |
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protected final PasswordAuthentication getPasswordAuthentication() { |
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final String host = getRequestingHost(); |
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final int port = getRequestingPort(); |
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for (final CachedAuthentication ca : cached) { |
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if (ca.host.equals(host) && ca.port == port) |
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return ca.toPasswordAuthentication(); |
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} |
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PasswordAuthentication pa = promptPasswordAuthentication(); |
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if (pa != null) { |
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CachedAuthentication ca = new CachedAuthentication(host, port, pa |
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.getUserName(), new String(pa.getPassword())); |
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add(ca); |
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return ca.toPasswordAuthentication(); |
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} |
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return null; |
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} |
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/** |
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* Prompt for and request authentication from the end-user. |
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* |
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* @return the authentication data; null if the user canceled the request |
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* and does not want to continue. |
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*/ |
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protected abstract PasswordAuthentication promptPasswordAuthentication(); |
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/** Authentication data to remember and reuse. */ |
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public static class CachedAuthentication { |
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final String host; |
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final int port; |
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final String user; |
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final String pass; |
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/** |
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* Create a new cached authentication. |
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* |
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* @param aHost |
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* system this is for. |
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* @param aPort |
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* port number of the service. |
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* @param aUser |
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* username at the service. |
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* @param aPass |
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* password at the service. |
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*/ |
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public CachedAuthentication(final String aHost, final int aPort, |
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final String aUser, final String aPass) { |
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host = aHost; |
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port = aPort; |
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user = aUser; |
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pass = aPass; |
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} |
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PasswordAuthentication toPasswordAuthentication() { |
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return new PasswordAuthentication(user, pass.toCharArray()); |
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} |
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} |
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} |
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