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/*
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* Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package sun.net.www.protocol.http;
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import java.io.IOException;
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import sun.misc.BASE64Encoder;
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import sun.misc.BASE64Decoder;
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/*
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* Hooks into Windows implementation of NTLM.
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* This class will be replaced if a cross-platform version of NTLM
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* is implemented in the future.
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*/
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public class NTLMAuthSequence {
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private String username;
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private String password;
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private String ntdomain;
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private int state;
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private long crdHandle;
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private long ctxHandle;
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static {
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initFirst();
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}
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NTLMAuthSequence (String username, String password, String ntdomain)
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throws IOException
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{
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this.username = username;
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this.password = password;
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this.ntdomain = ntdomain;
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state = 0;
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crdHandle = getCredentialsHandle (username, ntdomain, password);
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if (crdHandle == 0) {
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throw new IOException ("could not get credentials handle");
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}
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}
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public String getAuthHeader (String token) throws IOException {
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byte[] input = null;
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if (token != null)
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input = (new BASE64Decoder()).decodeBuffer(token);
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byte[] b = getNextToken (crdHandle, input);
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if (b == null)
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throw new IOException ("Internal authentication error");
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return (new B64Encoder()).encode (b);
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}
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private native static void initFirst ();
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private native long getCredentialsHandle (String user, String domain, String password);
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private native byte[] getNextToken (long crdHandle, byte[] lastToken);
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}
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class B64Encoder extends BASE64Encoder {
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protected int bytesPerLine () {
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return 1024;
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}
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}
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