/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.RemoveFilesAction__static_init
          */
     1  /*
     2   * Copyright (c) 2003-2006, Simon Brown
     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 are met:
     7   *
     8   *   - Redistributions of source code must retain the above copyright
     9   *     notice, this list of conditions and the following disclaimer.
    10   *
    11   *   - Redistributions in binary form must reproduce the above copyright
    12   *     notice, this list of conditions and the following disclaimer in
    13   *     the documentation and/or other materials provided with the
    14   *     distribution.
    15   *
    16   *   - Neither the name of Pebble nor the names of its contributors may
    17   *     be used to endorse or promote products derived from this software
    18   *     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 OWNER 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  package net.sourceforge.pebble.web.action;
    33  
    34  import net.sourceforge.pebble.Constants;
    35  import net.sourceforge.pebble.domain.FileManager;
    36  import net.sourceforge.pebble.domain.FileMetaData;
    37  import net.sourceforge.pebble.domain.IllegalFileAccessException;
    38  import net.sourceforge.pebble.domain.Blog;
    39  import net.sourceforge.pebble.util.StringUtils;
    40  import net.sourceforge.pebble.web.security.RequireSecurityToken;
    41  import net.sourceforge.pebble.web.view.ForbiddenView;
    42  import net.sourceforge.pebble.web.view.RedirectView;
    43  import net.sourceforge.pebble.web.view.View;
    44  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.RemoveFilesAction()
          */
    45  import javax.servlet.ServletException;
    46  import javax.servlet.http.HttpServletRequest;
    47  import javax.servlet.http.HttpServletResponse;
    48  
    49  /**
    50   * Allows the user to remove one or more files.
    51   *
    52   * @author    Simon Brown
    53   */
    54  @RequireSecurityToken
    55  public class RemoveFilesAction extends AbstractFileAction {
    56  
    57    /**
    58     * Peforms the processing associated with this action.
    59     *
    60     * @param request  the HttpServletRequest instance
    61     * @param response the HttpServletResponse instance
    62     * @return the name of the next view
    63     */
    64    public View process(HttpServletRequest request, HttpServletResponse response) throws ServletException {
             /* 
    P/P       *  Method: View process(HttpServletRequest, HttpServletResponse)
              * 
              *  Preconditions:
              *    request != null
              *    this.model != null
              *    this.model.data != null
              * 
              *  Presumptions:
              *    java.util.HashMap:get(...)@63 != null
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@67 != null
              *    names.length@66 <= 232-1
              *    net.sourceforge.pebble.domain.FileManager:getFileMetaData(...)@90 != null
              * 
              *  Postconditions:
              *    return_value in Addr_Set{&new ForbiddenView(process#5),&new RedirectView(process#6)}
              *    new ForbiddenView(process#5) num objects <= 1
              *    new RedirectView(process#6) num objects <= 1
              * 
              *  Test Vectors:
              *    java.lang.String:equals(...)@79: {0}, {1}
              *    javax.servlet.http.HttpServletRequest:getParameterValues(...)@66: Addr_Set{null}, Inverse{null}
              */
    65      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    66      String names[] = request.getParameterValues("name");
    67      String type = request.getParameter("type");
    68      String path = request.getParameter("path");
    69  
    70      FileManager fileManager = new FileManager(blog, type);
    71      FileManager themeFileManager = new FileManager(blog, FileMetaData.BLOG_DATA);
    72  
    73      if (names != null) {
    74        for (String name : names) {
    75          try {
    76            fileManager.deleteFile(path, name);
    77  
    78            // if it's a theme file, also delete the copy in blog.dir/theme
    79            if (type.equals(FileMetaData.THEME_FILE)) {
    80              themeFileManager.deleteFile("/theme" + path, name);
    81            }
    82  
    83            blog.info("File \"" + StringUtils.transformHTML(name) + "\" removed.");
    84          } catch (IllegalFileAccessException e) {
    85            return new ForbiddenView();
    86          }
    87        }
    88      }
    89  
    90      FileMetaData directory = fileManager.getFileMetaData(path);
    91      return new RedirectView(blog.getUrl() + directory.getUrl());
    92    }
    93  
    94  }