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1   /*
2    * This software was designed and created by Jason Carroll.
3    * Copyright (c) 2002, 2003, 2004 Jason Carroll.
4    * The author can be reached at jcarroll@cowsultants.com
5    * ITracker website: http://www.cowsultants.com
6    * ITracker forums: http://www.cowsultants.com/phpBB/index.php
7    *
8    * This program is free software; you can redistribute it and/or modify
9    * it only under the terms of the GNU General Public License as published by
10   * the Free Software Foundation; either version 2 of the License, or
11   * (at your option) any later version.
12   *
13   * This program is distributed in the hope that it will be useful,
14   * but WITHOUT ANY WARRANTY; without even the implied warranty of
15   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   * GNU General Public License for more details.
17   */
18  
19  package org.itracker.web.actions.project;
20  
21  import org.apache.log4j.Logger;
22  import org.apache.struts.action.*;
23  import org.itracker.model.IssueAttachment;
24  import org.itracker.model.util.UserUtilities;
25  import org.itracker.services.ConfigurationService;
26  import org.itracker.services.IssueService;
27  import org.itracker.web.actions.base.ItrackerBaseAction;
28  import org.itracker.web.util.LoginUtilities;
29  import org.itracker.web.util.ServletContextUtils;
30  
31  import javax.servlet.ServletException;
32  import javax.servlet.http.HttpServletRequest;
33  import javax.servlet.http.HttpServletResponse;
34  import java.io.File;
35  import java.io.IOException;
36  
37  
38  public class RemoveIssueAttachmentAction extends ItrackerBaseAction {
39      private static final Logger log = Logger.getLogger(RemoveIssueAttachmentAction.class);
40  
41  
42      public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
43  
44          ActionMessages errors = new ActionMessages();
45  
46          if (!LoginUtilities.hasPermission(UserUtilities.PERMISSION_USER_ADMIN, request, response)) {
47              return mapping.findForward("unauthorized");
48          }
49  
50          try {
51              IssueService issueService = ServletContextUtils.getItrackerServices().getIssueService();
52  
53              try {
54                  Integer attachmentId = new Integer((request.getParameter("id") == null ? "-1" : request.getParameter("id")));
55                  IssueAttachment attachment = issueService.getIssueAttachment(attachmentId);
56  
57                  if (attachment != null) {
58                      ConfigurationService configurationService = ServletContextUtils.getItrackerServices().getConfigurationService();
59  
60                      File attachmentFile = new File(configurationService.getProperty("attachment_dir")
61                              + File.separator + attachment.getFileName());
62                      attachmentFile.delete();
63  
64                      issueService.removeIssueAttachment(attachmentId);
65                  }
66              } catch (NumberFormatException nfe) {
67                  errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.removeattachment"));
68                  if (log.isDebugEnabled()) {
69                      log.debug("Invalid attachmentId " + request.getParameter("id") + " specified.");
70                  }
71              }
72          } catch (Exception e) {
73              errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system"));
74          }
75  
76          if (!errors.isEmpty()) {
77              saveErrors(request, errors);
78          }
79          return mapping.findForward("listattachments");
80      }
81  
82  }
83