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1 | /* | |
2 | * Copyright (c) 2000-2005, University of Salford | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions are met: | |
7 | * | |
8 | * Redistributions of source code must retain the above copyright notice, this | |
9 | * list of conditions and the following disclaimer. | |
10 | * | |
11 | * Redistributions in binary form must reproduce the above copyright notice, | |
12 | * this list of conditions and the following disclaimer in the documentation | |
13 | * and/or other materials provided with the distribution. | |
14 | * | |
15 | * Neither the name of the University of Salford nor the names of its | |
16 | * contributors may be used to endorse or promote products derived from this | |
17 | * software without specific prior written permission. | |
18 | * | |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
23 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
29 | * POSSIBILITY OF SUCH DAMAGE. | |
30 | */ | |
31 | ||
32 | package issrg.pba.rbac; | |
33 | ||
34 | import java.security.Principal; | |
35 | import java.util.Vector; | |
36 | ||
37 | import issrg.pba.RiskAssessment; | |
38 | import issrg.pba.Subject; | |
39 | import issrg.pba.Credentials; | |
40 | import issrg.pba.CredentialsService; | |
41 | ||
42 | /** | |
43 | * The Permis implementation of a subject. It knows the holder and its | |
44 | * credentials, it contains additional service for checking the credentials | |
45 | * validity. It knows what policy it is applicable to, and works for one | |
46 | * PermisRBAC object only. | |
47 | * | |
48 | * @author A Otenko | |
49 | * @author E Ball | |
50 | * @author D W Chadwick | |
51 | * @version 0.2 | |
52 | */ | |
53 | ||
54 | public class PermisSubject implements Subject { | |
55 | private Principal SubjectName; | |
56 | private CredentialsService additionalService; | |
57 | private Credentials Creds; | |
58 | protected String PolicyOID; | |
59 | protected issrg.pba.PBAAPI owner; | |
60 | ||
61 | 0 | protected PermisSubject(){} |
62 | ||
63 | /** | |
64 | * This constructor builds a subject from a distinguished name and the | |
65 | * credentials the holder possesses. | |
66 | * | |
67 | * @param owner is the reference to the PBA API implementation that has | |
68 | * created this object; so the owner could ensure it uses the | |
69 | * subject for the right policy | |
70 | * @param DN the distinguished name of the subject | |
71 | * @param service is the run-time restriction on use of the credential set | |
72 | * contained within this Subject | |
73 | * @param policyOID The OID of the policy controlling the subject | |
74 | * @param creds the Credential of the subject | |
75 | */ | |
76 | 1349 | protected PermisSubject(issrg.pba.PBAAPI owner, Principal DN, CredentialsService service, |
77 | String PolicyOID, issrg.pba.Credentials creds){ | |
78 | 1349 | this.owner = owner; |
79 | ||
80 | 1349 | SubjectName=DN; |
81 | 1349 | additionalService=service; |
82 | 1349 | this.PolicyOID = PolicyOID; |
83 | 1349 | Creds = creds; |
84 | } | |
85 | ||
86 | ||
87 | /** | |
88 | * This method returns the Credentials (roles for the Permis project) of the | |
89 | * subject. | |
90 | * | |
91 | * @return the Credential of the subject | |
92 | */ | |
93 | 1456 | public Credentials exportCreds(){ |
94 | 1456 | return Creds; |
95 | } | |
96 | ||
97 | ||
98 | /** | |
99 | * This method returns the distinguished name of the subject. | |
100 | * | |
101 | * @return the Principal, representing the name of the holder | |
102 | */ | |
103 | 142 | public Principal getHolder(){ |
104 | 142 | return SubjectName; |
105 | } | |
106 | ||
107 | /** | |
108 | * This method returns the distinguished name of the subject as a string. | |
109 | * | |
110 | * @return the String representation of the holder name | |
111 | */ | |
112 | 66 | public String getName(){ |
113 | 66 | return getHolder().getName(); |
114 | } | |
115 | ||
116 | /** | |
117 | * This method returns the object providing additional service on the set of | |
118 | * credentials. | |
119 | * | |
120 | * @return the CredentialService instance; can be null, if no additional | |
121 | * services were attached to the credentials | |
122 | */ | |
123 | 1359 | public CredentialsService getService(){ |
124 | 1359 | return additionalService; |
125 | } | |
126 | ||
127 | /** | |
128 | * This method returns the owner of the Subject object. | |
129 | */ | |
130 | 1359 | public issrg.pba.PBAAPI getOwner(){ |
131 | 1359 | return owner; |
132 | } | |
133 | } |
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