|
1 /* |
|
2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved. |
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
|
4 * |
|
5 * This code is free software; you can redistribute it and/or modify it |
|
6 * under the terms of the GNU General Public License version 2 only, as |
|
7 * published by the Free Software Foundation. Sun designates this |
|
8 * particular file as subject to the "Classpath" exception as provided |
|
9 * by Sun in the LICENSE file that accompanied this code. |
|
10 * |
|
11 * This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 * version 2 for more details (a copy is included in the LICENSE file that |
|
15 * accompanied this code). |
|
16 * |
|
17 * You should have received a copy of the GNU General Public License version |
|
18 * 2 along with this work; if not, write to the Free Software Foundation, |
|
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 * |
|
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
|
22 * CA 95054 USA or visit www.sun.com if you need additional information or |
|
23 * have any questions. |
|
24 */ |
|
25 |
|
26 package sun.net.www.protocol.http; |
|
27 |
|
28 import java.io.IOException; |
|
29 import sun.misc.BASE64Encoder; |
|
30 import sun.misc.BASE64Decoder; |
|
31 |
|
32 /* |
|
33 * Hooks into Windows implementation of NTLM. |
|
34 * This class will be replaced if a cross-platform version of NTLM |
|
35 * is implemented in the future. |
|
36 */ |
|
37 |
|
38 public class NTLMAuthSequence { |
|
39 |
|
40 private String username; |
|
41 private String password; |
|
42 private String ntdomain; |
|
43 private int state; |
|
44 private long crdHandle; |
|
45 private long ctxHandle; |
|
46 |
|
47 static { |
|
48 initFirst(); |
|
49 } |
|
50 |
|
51 NTLMAuthSequence (String username, String password, String ntdomain) |
|
52 throws IOException |
|
53 { |
|
54 this.username = username; |
|
55 this.password = password; |
|
56 this.ntdomain = ntdomain; |
|
57 state = 0; |
|
58 crdHandle = getCredentialsHandle (username, ntdomain, password); |
|
59 if (crdHandle == 0) { |
|
60 throw new IOException ("could not get credentials handle"); |
|
61 } |
|
62 } |
|
63 |
|
64 public String getAuthHeader (String token) throws IOException { |
|
65 byte[] input = null; |
|
66 if (token != null) |
|
67 input = (new BASE64Decoder()).decodeBuffer(token); |
|
68 byte[] b = getNextToken (crdHandle, input); |
|
69 if (b == null) |
|
70 throw new IOException ("Internal authentication error"); |
|
71 return (new B64Encoder()).encode (b); |
|
72 } |
|
73 |
|
74 private native static void initFirst (); |
|
75 |
|
76 private native long getCredentialsHandle (String user, String domain, String password); |
|
77 |
|
78 private native byte[] getNextToken (long crdHandle, byte[] lastToken); |
|
79 } |
|
80 |
|
81 class B64Encoder extends BASE64Encoder { |
|
82 protected int bytesPerLine () { |
|
83 return 1024; |
|
84 } |
|
85 } |