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