1 /**
2 *
3 * Copyright 2003-2004 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.geronimo.security.jaas;
18
19 import java.io.Externalizable;
20 import java.io.Serializable;
21 import java.rmi.Remote;
22 import java.util.HashMap;
23 import java.util.HashSet;
24 import java.util.Iterator;
25 import java.util.Map;
26 import java.util.Set;
27 import javax.security.auth.Subject;
28
29 import org.apache.geronimo.security.jaas.server.JaasLoginModuleConfiguration;
30
31
32 /**
33 * Helper class the computes the login result across a number of separate
34 * login modules.
35 *
36 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
37 */
38 public class LoginUtils {
39 public static void copyPrincipals(Subject to, Subject from) {
40 to.getPrincipals().addAll(from.getPrincipals());
41 }
42
43 public static Map getSerializableCopy(Map from) {
44 Map to = new HashMap();
45 for (Iterator it = from.keySet().iterator(); it.hasNext();) {
46 String key = (String) it.next();
47 Object value = from.get(key);
48 if (value instanceof Serializable || value instanceof Externalizable || value instanceof Remote) {
49 to.put(key, value);
50 }
51 }
52 return to;
53 }
54
55 public static Set getSerializableCopy(Set from) {
56 Set to = new HashSet();
57 for (Iterator it = from.iterator(); it.hasNext();) {
58 Object value = it.next();
59 if (value instanceof Serializable || value instanceof Externalizable || value instanceof Remote) {
60 to.add(value);
61 }
62 }
63 return to;
64 }
65
66 /**
67 * Strips out stuff that isn't serializable so this can be safely passed to
68 * a remote server.
69 */
70 public static JaasLoginModuleConfiguration getSerializableCopy(JaasLoginModuleConfiguration config) {
71 return new JaasLoginModuleConfiguration(config.getLoginModuleClassName(),
72 config.getFlag(),
73 LoginUtils.getSerializableCopy(config.getOptions()),
74 config.isServerSide(),
75 config.getLoginDomainName(),
76 config.isWrapPrincipals(),
77 null);
78 }
79 }