author | chegar |
Thu, 17 Oct 2019 20:54:25 +0100 | |
branch | datagramsocketimpl-branch |
changeset 58679 | 9c3209ff7550 |
parent 58678 | 9cf78a70fa4f |
parent 57950 | 4612a3cfb927 |
permissions | -rw-r--r-- |
57792
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
1 |
/* |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
2 |
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
4 |
* |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. Oracle designates this |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
8 |
* particular file as subject to the "Classpath" exception as provided |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
9 |
* by Oracle in the LICENSE file that accompanied this code. |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
10 |
* |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
15 |
* accompanied this code). |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
16 |
* |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
17 |
* You should have received a copy of the GNU General Public License version |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
20 |
* |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
22 |
* or visit www.oracle.com if you need additional information or have any |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
23 |
* questions. |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
24 |
*/ |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
25 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
26 |
package sun.security.util; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
27 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
28 |
import java.io.File; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
29 |
import java.io.FilePermission; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
30 |
import java.io.IOException; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
31 |
import java.net.URL; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
32 |
import java.security.CodeSource; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
33 |
import java.security.Permission; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
34 |
import java.security.PermissionCollection; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
35 |
import java.util.Enumeration; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
36 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
37 |
/** |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
38 |
* This {@code PermissionCollection} implementation delegates to another |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
39 |
* {@code PermissionCollection}, taking care to lazily add the permission needed |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
40 |
* to read from the given {@code CodeSource} at first use, i.e., when either of |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
41 |
* {@link #elements}, {@link #implies} or {@link #toString} is called, or when |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
42 |
* the collection is serialized. |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
43 |
*/ |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
44 |
public final class LazyCodeSourcePermissionCollection |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
45 |
extends PermissionCollection |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
46 |
{ |
57950
4612a3cfb927
8229999: Apply java.io.Serial annotations to security types in java.base
darcy
parents:
57792
diff
changeset
|
47 |
@java.io.Serial |
57792
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
48 |
private static final long serialVersionUID = -6727011328946861783L; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
49 |
private final PermissionCollection perms; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
50 |
private final CodeSource cs; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
51 |
private volatile boolean permissionAdded; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
52 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
53 |
public LazyCodeSourcePermissionCollection(PermissionCollection perms, |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
54 |
CodeSource cs) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
55 |
this.perms = perms; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
56 |
this.cs = cs; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
57 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
58 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
59 |
private void ensureAdded() { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
60 |
if (!permissionAdded) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
61 |
synchronized(perms) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
62 |
if (permissionAdded) |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
63 |
return; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
64 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
65 |
// open connection to determine the permission needed |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
66 |
URL location = cs.getLocation(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
67 |
if (location != null) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
68 |
try { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
69 |
Permission p = location.openConnection().getPermission(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
70 |
if (p != null) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
71 |
// for directories then need recursive access |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
72 |
if (p instanceof FilePermission) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
73 |
String path = p.getName(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
74 |
if (path.endsWith(File.separator)) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
75 |
path += "-"; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
76 |
p = new FilePermission(path, |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
77 |
SecurityConstants.FILE_READ_ACTION); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
78 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
79 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
80 |
perms.add(p); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
81 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
82 |
} catch (IOException ioe) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
83 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
84 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
85 |
if (isReadOnly()) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
86 |
perms.setReadOnly(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
87 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
88 |
permissionAdded = true; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
89 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
90 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
91 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
92 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
93 |
@Override |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
94 |
public void add(Permission permission) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
95 |
if (isReadOnly()) |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
96 |
throw new SecurityException( |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
97 |
"attempt to add a Permission to a readonly PermissionCollection"); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
98 |
perms.add(permission); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
99 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
100 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
101 |
@Override |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
102 |
public boolean implies(Permission permission) { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
103 |
ensureAdded(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
104 |
return perms.implies(permission); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
105 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
106 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
107 |
@Override |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
108 |
public Enumeration<Permission> elements() { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
109 |
ensureAdded(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
110 |
return perms.elements(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
111 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
112 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
113 |
@Override |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
114 |
public String toString() { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
115 |
ensureAdded(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
116 |
return perms.toString(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
117 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
118 |
|
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
119 |
/** |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
120 |
* On serialization, initialize and replace with the underlying |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
121 |
* permissions. This removes the laziness on deserialization. |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
122 |
*/ |
57950
4612a3cfb927
8229999: Apply java.io.Serial annotations to security types in java.base
darcy
parents:
57792
diff
changeset
|
123 |
@java.io.Serial |
57792
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
124 |
private Object writeReplace() { |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
125 |
ensureAdded(); |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
126 |
return perms; |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
127 |
} |
1b6806340400
8229773: Resolve permissions for code source URLs lazily
redestad
parents:
diff
changeset
|
128 |
} |