Package sun.net.www.protocol.http

Source Code of sun.net.www.protocol.http.NTLMAuthSequence

/*
* Copyright (c) 2002, Oracle and/or its affiliates. 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.  Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.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;
    }
}
TOP

Related Classes of sun.net.www.protocol.http.NTLMAuthSequence

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.