1 //
2 // ========================================================================
3 // Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.policy.entry;
20
21 import java.security.KeyStoreException;
22 import java.security.Principal;
23 import java.security.cert.Certificate;
24 import java.security.cert.X509Certificate;
25
26 import org.eclipse.jetty.policy.PolicyContext;
27 import org.eclipse.jetty.policy.PolicyException;
28
29 public class PrincipalEntry extends AbstractEntry
30 {
31 /**
32 * Wildcard value denotes any class and/or any name. Must be asterisk, for proper general expansion and
33 * PrivateCredentialsPermission wildcarding
34 */
35 public static final String WILDCARD = "*"; //$NON-NLS-1$
36
37 /**
38 * The classname part of principal clause.
39 */
40 private String klass;
41
42 /**
43 * The name part of principal clause.
44 */
45 private String name;
46
47 /**
48 * cached principal if already computed
49 */
50 private Principal principal;
51
52 public Principal toPrincipal( PolicyContext context ) throws PolicyException
53 {
54 if ( principal != null && !isDirty() )
55 {
56 return principal;
57 }
58
59 // if there is no keystore, there is no way to obtain a principal object
60 // TODO validate we need this check
61 if ( context.getKeystore() == null )
62 {
63 return null;
64 }
65
66 try
67 {
68 Certificate certificate = context.getKeystore().getCertificate( name );
69
70 if ( certificate instanceof X509Certificate )
71 {
72 principal = ( (X509Certificate) certificate ).getSubjectX500Principal();
73 return principal;
74 }
75 else
76 {
77 throw new PolicyException( "Unknown Certificate, unable to obtain Principal: " + certificate.getType() );
78 }
79 }
80 catch ( KeyStoreException kse )
81 {
82 throw new PolicyException( kse );
83 }
84 }
85
86 public void expand( PolicyContext context )
87 throws PolicyException
88 {
89 name = context.evaluate( name );
90
91 setExpanded(true);
92 }
93
94 public String getKlass()
95 {
96 return klass;
97 }
98
99 public void setKlass( String klass )
100 {
101 this.klass = klass;
102 }
103
104 public String getName()
105 {
106 return name;
107 }
108
109 public void setName( String name )
110 {
111 this.name = name;
112 }
113
114
115 }