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1
11
12 package org.eclipse.osgi.framework.internal.core;
13
14 import java.io.IOException  ;
15 import java.security.*;
16 import org.eclipse.osgi.framework.adaptor.PermissionStorage;
17
18
21
22 public class SecurePermissionStorage implements PermissionStorage, PrivilegedExceptionAction {
23 private PermissionStorage storage;
24 private String location;
25 private String [] data;
26 private String [] infos;
27 private int action;
28 private static final int GET = 1;
29 private static final int SET = 2;
30 private static final int LOCATION = 3;
31 private static final int GET_INFOS = 4;
32 private static final int SAVE_INFOS = 5;
33
34 public SecurePermissionStorage(PermissionStorage storage) {
35 this.storage = storage;
36 }
37
38 public Object run() throws IOException {
39 switch (action) {
40 case GET :
41 return storage.getPermissionData(location);
42 case SET :
43 storage.setPermissionData(location, data);
44 return null;
45 case LOCATION :
46 return storage.getLocations();
47 case SAVE_INFOS :
48 storage.saveConditionalPermissionInfos(infos);
49 return null;
50 case GET_INFOS :
51 return storage.getConditionalPermissionInfos();
52 }
53
54 throw new UnsupportedOperationException ();
55 }
56
57 public String [] getPermissionData(String location) throws IOException {
58 this.location = location;
59 this.action = GET;
60
61 try {
62 return (String []) AccessController.doPrivileged(this);
63 } catch (PrivilegedActionException e) {
64 throw (IOException ) e.getException();
65 }
66 }
67
68 public String [] getLocations() throws IOException {
69 this.action = LOCATION;
70
71 try {
72 return (String []) AccessController.doPrivileged(this);
73 } catch (PrivilegedActionException e) {
74 throw (IOException ) e.getException();
75 }
76 }
77
78 public void setPermissionData(String location, String [] data) throws IOException {
79 this.location = location;
80 this.data = data;
81 this.action = SET;
82
83 try {
84 AccessController.doPrivileged(this);
85 } catch (PrivilegedActionException e) {
86 throw (IOException ) e.getException();
87 }
88 }
89
90 public void saveConditionalPermissionInfos(String [] infos) throws IOException {
91 this.action = SAVE_INFOS;
92 this.infos = infos;
93 try {
94 AccessController.doPrivileged(this);
95 } catch (PrivilegedActionException e) {
96 throw (IOException ) e.getException();
97 }
98
99 }
100
101 public String [] getConditionalPermissionInfos() throws IOException {
102 this.action = GET_INFOS;
103 try {
104 return (String []) AccessController.doPrivileged(this);
105 } catch (PrivilegedActionException e) {
106 throw (IOException ) e.getException();
107 }
108 }
109 }
110 |
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