SecurityClassLoad


1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  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  
18  
19  package org.apache.jasper.security;
20  
21  /**
22   * Static class used to preload java classes when using the
23   * Java SecurityManager so that the defineClassInPackage
24   * RuntimePermission does not trigger an AccessControlException.
25   *
26   * @author Jean-Francois Arcand
27   */
28  
29  public final class SecurityClassLoad {
30  
31      private static org.apache.commons.logging.Log log=
32          org.apache.commons.logging.LogFactory.getLog( SecurityClassLoad.class );
33  
34      public static void securityClassLoad(ClassLoader   loader){
35  
36          if( System.getSecurityManager() == null ){
37              return;
38          }
39  
40          String   basePackage = "org.apache.jasper.";
41          try {
42              loader.loadClass( basePackage +
43                  "runtime.JspFactoryImpl$PrivilegedGetPageContext");
44              loader.loadClass( basePackage +
45                  "runtime.JspFactoryImpl$PrivilegedReleasePageContext");
46  
47              loader.loadClass( basePackage +
48                  "runtime.JspRuntimeLibrary");
49              loader.loadClass( basePackage +
50                  "runtime.JspRuntimeLibrary$PrivilegedIntrospectHelper");
51              
52              loader.loadClass( basePackage +
53                  "runtime.ServletResponseWrapperInclude");
54              loader.loadClass( basePackage +
55                  "runtime.TagHandlerPool");
56              loader.loadClass( basePackage +
57                  "runtime.JspFragmentHelper");
58  
59              loader.loadClass( basePackage +
60                  "runtime.ProtectedFunctionMapper");
61              loader.loadClass( basePackage +
62                  "runtime.ProtectedFunctionMapper$1");
63              loader.loadClass( basePackage +
64                  "runtime.ProtectedFunctionMapper$2"); 
65              loader.loadClass( basePackage +
66                  "runtime.ProtectedFunctionMapper$3");
67              loader.loadClass( basePackage +
68                  "runtime.ProtectedFunctionMapper$4"); 
69  
70              loader.loadClass( basePackage +
71                  "runtime.PageContextImpl");      
72              loader.loadClass( basePackage +
73                  "runtime.PageContextImpl$1");      
74              loader.loadClass( basePackage +
75                  "runtime.PageContextImpl$2");      
76              loader.loadClass( basePackage +
77                  "runtime.PageContextImpl$3");      
78              loader.loadClass( basePackage +
79                  "runtime.PageContextImpl$4");      
80              loader.loadClass( basePackage +
81                  "runtime.PageContextImpl$5");      
82              loader.loadClass( basePackage +
83                  "runtime.PageContextImpl$6");      
84              loader.loadClass( basePackage +
85                  "runtime.PageContextImpl$7");      
86              loader.loadClass( basePackage +
87                  "runtime.PageContextImpl$8");      
88              loader.loadClass( basePackage +
89                  "runtime.PageContextImpl$9");      
90              loader.loadClass( basePackage +
91                  "runtime.PageContextImpl$10");      
92              loader.loadClass( basePackage +
93                  "runtime.PageContextImpl$11");      
94              loader.loadClass( basePackage +
95                  "runtime.PageContextImpl$12");      
96              loader.loadClass( basePackage +
97                  "runtime.PageContextImpl$13");      
98  
99              loader.loadClass( basePackage +
100                 "runtime.JspContextWrapper");   
101 
102             loader.loadClass( basePackage +
103                 "servlet.JspServletWrapper");
104 
105             loader.loadClass( basePackage +
106                 "runtime.JspWriterImpl$1");
107         } catch (ClassNotFoundException   ex) {
108             log.error("SecurityClassLoad", ex);
109         }
110     }
111 }
112
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