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1 package org.apache.activemq.util;
2
3 import java.io.IOException  ;
4
5 import javax.servlet.Filter ;
6 import javax.servlet.FilterChain ;
7 import javax.servlet.FilterConfig ;
8 import javax.servlet.ServletException ;
9 import javax.servlet.ServletRequest ;
10 import javax.servlet.ServletResponse ;
11 import javax.servlet.http.HttpServletRequest ;
12 import javax.servlet.http.HttpServletRequestWrapper ;
13
14 import org.mortbay.log.Log;
15
16 public class FilenameGuardFilter implements Filter {
17
18 public void destroy() {
19 }
21
22 public void init(FilterConfig config) throws ServletException {
23 }
25
26 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException , ServletException {
27 if (request instanceof HttpServletRequest ) {
28 HttpServletRequest httpRequest = (HttpServletRequest )request;
29 GuardedHttpServletRequest guardedRequest = new GuardedHttpServletRequest(httpRequest);
30 chain.doFilter(guardedRequest, response);
31 } else {
32 chain.doFilter(request, response);
33 }
34 }
35
36 private static class GuardedHttpServletRequest extends HttpServletRequestWrapper {
37
38 public GuardedHttpServletRequest(HttpServletRequest httpRequest) {
39 super(httpRequest);
40 }
41
42 private String guard(String filename) {
43 String guarded = filename.replace(":", "_");
44 if (Log.isDebugEnabled())
45 {
46 Log.debug("guarded " + filename + " to "+ guarded);
47 }
48 return guarded;
49 }
50
51 @Override
52 public String getParameter(String name) {
53 if (name.equals("Destination")) {
54 return guard(super.getParameter(name));
55 } else {
56 return super.getParameter(name);
57 }
58 }
59
60 @Override
61 public String getPathInfo() {
62 return guard(super.getPathInfo());
63 }
64
65 @Override
66 public String getPathTranslated() {
67 return guard(super.getPathTranslated());
68 }
69
70 @Override
71 public String getRequestURI() {
72 return guard(super.getRequestURI());
73 }
74 }
75 }
76 |
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