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1   /*
2    * Copyright (c) 2002-2014, Mairie de 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 fr.paris.lutece.portal.business.stylesheet.StyleSheet;
37  import fr.paris.lutece.portal.business.stylesheet.StyleSheetHome;
38  import fr.paris.lutece.portal.business.user.AdminUser;
39  import fr.paris.lutece.portal.service.admin.AdminUserService;
40  import fr.paris.lutece.portal.web.constants.Parameters;
41  
42  import java.io.IOException;
43  import java.io.OutputStream;
44  
45  import javax.servlet.ServletContext;
46  import javax.servlet.ServletException;
47  import javax.servlet.http.HttpServlet;
48  import javax.servlet.http.HttpServletRequest;
49  import javax.servlet.http.HttpServletResponse;
50  
51  
52  /**
53   * StyleSheetFile Servlet
54   */
55  public class StyleSheetFileServlet extends HttpServlet
56  {
57      /**
58       *
59       */
60      private static final long serialVersionUID = 9154028959985088272L;
61  
62      /**
63       * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
64       * @param request servlet request
65       * @param response servlet response
66           * @throws ServletException the servlet Exception
67           * @throws IOException the io exception
68       */
69      protected void processRequest( HttpServletRequest request, HttpServletResponse response )
70          throws ServletException, IOException
71      {
72          AdminUser user = AdminUserService.getAdminUser( request );
73  
74          // FIXME : use a jsp instead of a servlet to control the right in a standard way
75          if ( ( user != null ) && ( user.checkRight( StyleSheetJspBean.RIGHT_MANAGE_STYLESHEET ) ) )
76          {
77              String strStyleSheetId = request.getParameter( Parameters.STYLESHEET_ID );
78  
79              if ( strStyleSheetId != null )
80              {
81                  int nStyleSheetId = Integer.parseInt( strStyleSheetId );
82  
83                  StyleSheet stylesheet = StyleSheetHome.findByPrimaryKey( nStyleSheetId );
84  
85                  ServletContext context = getServletConfig(  ).getServletContext(  );
86                  String strMimetype = context.getMimeType( stylesheet.getFile(  ) );
87                  response.setContentType( ( strMimetype != null ) ? strMimetype : "application/octet-stream" );
88                  response.setHeader( "Content-Disposition", "attachement; filename=\"" + stylesheet.getFile(  ) + "\"" );
89  
90                  OutputStream out = response.getOutputStream(  );
91                  out.write( stylesheet.getSource(  ) );
92                  out.flush(  );
93                  out.close(  );
94              }
95          }
96      }
97  
98      /**
99       * {@inheritDoc}
100      */
101     @Override
102     protected void doGet( HttpServletRequest request, HttpServletResponse response )
103         throws ServletException, IOException
104     {
105         processRequest( request, response );
106     }
107 
108     /**
109      * {@inheritDoc}
110      */
111     @Override
112     protected void doPost( HttpServletRequest request, HttpServletResponse response )
113         throws ServletException, IOException
114     {
115         processRequest( request, response );
116     }
117 
118     /**
119      * {@inheritDoc}
120      */
121     @Override
122     public String getServletInfo(  )
123     {
124         return "Servlet serving stylesheets";
125     }
126 }