01: /*
02: * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * 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 com.sun.security.sasl;
27:
28: import javax.security.sasl.*;
29: import com.sun.security.sasl.util.PolicyUtils;
30:
31: import java.util.Map;
32: import javax.security.auth.callback.CallbackHandler;
33:
34: /**
35: * Server factory for CRAM-MD5.
36: *
37: * Requires the following callback to be satisfied by callback handler
38: * when using CRAM-MD5.
39: * - AuthorizeCallback (to get canonicalized authzid)
40: *
41: * @author Rosanna Lee
42: */
43: final public class ServerFactoryImpl implements SaslServerFactory {
44: private static final String myMechs[] = { "CRAM-MD5", //
45: };
46:
47: private static final int mechPolicies[] = { PolicyUtils.NOPLAINTEXT
48: | PolicyUtils.NOANONYMOUS, // CRAM-MD5
49: };
50:
51: private static final int CRAMMD5 = 0;
52:
53: public ServerFactoryImpl() {
54: }
55:
56: public SaslServer createSaslServer(String mech, String protocol,
57: String serverName, Map<String, ?> props, CallbackHandler cbh)
58: throws SaslException {
59:
60: if (mech.equals(myMechs[CRAMMD5])
61: && PolicyUtils
62: .checkPolicy(mechPolicies[CRAMMD5], props)) {
63:
64: if (cbh == null) {
65: throw new SaslException(
66: "Callback handler with support for AuthorizeCallback required");
67: }
68: return new CramMD5Server(protocol, serverName, props, cbh);
69: }
70: return null;
71: };
72:
73: public String[] getMechanismNames(Map<String, ?> props) {
74: return PolicyUtils.filterMechs(myMechs, mechPolicies, props);
75: }
76: }
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