1 /*
2 * Copyright (c) 2002-2022, 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.stylesheet;
35
36 import java.io.IOException;
37 import java.io.OutputStream;
38
39 import javax.servlet.ServletContext;
40 import javax.servlet.http.HttpServlet;
41 import javax.servlet.http.HttpServletRequest;
42 import javax.servlet.http.HttpServletResponse;
43
44 import fr.paris.lutece.portal.business.stylesheet.StyleSheet;
45 import fr.paris.lutece.portal.business.stylesheet.StyleSheetHome;
46 import fr.paris.lutece.portal.business.user.AdminUser;
47 import fr.paris.lutece.portal.service.admin.AdminUserService;
48 import fr.paris.lutece.portal.web.constants.Parameters;
49
50 /**
51 * StyleSheetFile Servlet
52 */
53 public class StyleSheetFileServlet extends HttpServlet
54 {
55 /**
56 *
57 */
58 private static final long serialVersionUID = 9154028959985088272L;
59
60 /**
61 * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
62 *
63 * @param request
64 * servlet request
65 * @param response
66 * servlet response
67 * @throws IOException
68 */
69 protected void processRequest( HttpServletRequest request, HttpServletResponse response ) throws IOException
70 {
71 AdminUser user = AdminUserService.getAdminUser( request );
72
73 // FIXME : use a jsp instead of a servlet to control the right in a standard way
74 if ( ( user != null ) && ( user.checkRight( StyleSheetJspBean.RIGHT_MANAGE_STYLESHEET ) ) )
75 {
76 String strStyleSheetId = request.getParameter( Parameters.STYLESHEET_ID );
77
78 if ( strStyleSheetId != null )
79 {
80 int nStyleSheetId = Integer.parseInt( strStyleSheetId );
81
82 StyleSheet stylesheet = StyleSheetHome.findByPrimaryKey( nStyleSheetId );
83
84 ServletContext context = getServletConfig( ).getServletContext( );
85 String strMimetype = context.getMimeType( stylesheet.getFile( ) );
86 response.setContentType( ( strMimetype != null ) ? strMimetype : "application/octet-stream" );
87 response.setHeader( "Content-Disposition", "attachement; filename=\"" + stylesheet.getFile( ) + "\"" );
88
89 OutputStream out = response.getOutputStream( );
90 out.write( stylesheet.getSource( ) );
91 out.flush( );
92 out.close( );
93 }
94 }
95 }
96
97 /**
98 * {@inheritDoc}
99 *
100 * @throws IOException
101 */
102 @Override
103 protected void doGet( HttpServletRequest request, HttpServletResponse response ) throws IOException
104 {
105 processRequest( request, response );
106 }
107
108 /**
109 * {@inheritDoc}
110 *
111 * @throws IOException
112 */
113 @Override
114 protected void doPost( HttpServletRequest request, HttpServletResponse response ) throws IOException
115 {
116 processRequest( request, response );
117 }
118
119 /**
120 * {@inheritDoc}
121 */
122 @Override
123 public String getServletInfo( )
124 {
125 return "Servlet serving stylesheets";
126 }
127 }