1 /*
2 * Copyright (c) 2002-2025, City of Paris
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
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34 package fr.paris.lutece.portal.web.xss;
35
36 import javax.servlet.http.HttpServletRequest;
37 import javax.servlet.http.HttpServletRequestWrapper;
38
39 import fr.paris.lutece.portal.service.html.XSSSanitizerException;
40 import fr.paris.lutece.portal.service.html.XSSSanitizerService;
41 import fr.paris.lutece.portal.service.util.AppLogService;
42
43 public class XSSRequestWrapper extends HttpServletRequestWrapper
44 {
45
46 public XSSRequestWrapper( HttpServletRequest request )
47 {
48 super ( request);
49 }
50
51 @Override
52 public String getParameter( String name )
53 {
54 try
55 {
56 if ( super.getParameter( name ) == null )
57 {
58 return null;
59 }
60
61 return XSSSanitizerService.sanitize ( super.getParameter( name ) );
62 }
63 catch ( XSSSanitizerException e )
64 {
65 AppLogService.error ( "XSS Sanitizer error", e );
66 return null;
67 }
68 }
69
70 @Override
71 public String[ ] getParameterValues( String name )
72 {
73 String[ ] values = super.getParameterValues ( name );
74 if ( values == null )
75 {
76 return null;
77 }
78 for ( int i = 0; i < values.length; i++ )
79 {
80 try
81 {
82 if ( values[ i ] != null )
83 {
84 values[ i ] = XSSSanitizerService.sanitize ( ( values[ i ] ) );
85 }
86 }
87 catch ( XSSSanitizerException e )
88 {
89 AppLogService.error ( "XSS Sanitizer error", e );
90 values[ i ] = null;
91 }
92 }
93 return values;
94 }
95 }