/* 
    P/P   *  Method: net.sourceforge.pebble.web.action.ViewFilesAction__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.PebbleContext;
    36  import net.sourceforge.pebble.web.view.View;
    37  import net.sourceforge.pebble.web.view.ForbiddenView;
    38  import net.sourceforge.pebble.web.view.impl.FilesView;
    39  import net.sourceforge.pebble.domain.*;
    40  
         /* 
    P/P   *  Method: void net.sourceforge.pebble.web.action.ViewFilesAction()
          */
    41  import javax.servlet.ServletException;
    42  import javax.servlet.http.HttpServletRequest;
    43  import javax.servlet.http.HttpServletResponse;
    44  import java.util.List;
    45  
    46  /**
    47   * Allows the user to view the files in a specific location - blog images,
    48   * blog files and theme files.
    49   *
    50   * @author    Simon Brown
    51   */
    52  public class ViewFilesAction extends AbstractFileAction {
    53  
    54    /**
    55     * Peforms the processing associated with this action.
    56     *
    57     * @param request  the HttpServletRequest instance
    58     * @param response the HttpServletResponse instance
    59     * @return the name of the next view
    60     */
    61    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
              *    (soft) net.sourceforge.pebble.PebbleContext__static_init.new PebbleContext(PebbleContext__static_init#1).configuration != null
              * 
              *  Presumptions:
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@63 != null
              * 
              *  Postconditions:
              *    return_value in Addr_Set{&new FilesView(process#3),&new ForbiddenView(process#2)}
              *    new FilesView(process#3) num objects <= 1
              *    new ForbiddenView(process#2) num objects <= 1
              * 
              *  Test Vectors:
              *    java.lang.String:equals(...)@83: {0}, {1}
              *    java.lang.String:equals(...)@85: {0}, {1}
              *    java.lang.String:length(...)@68: {1..232-1}, {0}
              *    java.lang.String:length(...)@92: {0}, {1..232-1}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@64: Addr_Set{null}, Inverse{null}
              *    javax.servlet.http.HttpServletRequest:getParameter(...)@65: Addr_Set{null}, Inverse{null}
              *    net.sourceforge.pebble.Configuration:getFileUploadQuota(...)@102: {-263..-1}, {0..264-1}
              */
    62      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
    63      String type = request.getParameter("type");
    64      String path = request.getParameter("path");
    65      String fileName = request.getParameter("file");
    66  
    67      // if there is no path, we're looking at the root
    68      if (path == null || path.length() == 0) {
    69        path= "/";
    70      }
    71  
    72      FileManager fileManager = new FileManager(blog, type);
    73      FileMetaData directory = fileManager.getFileMetaData(path);
    74  
    75      try {
    76        List files = fileManager.getFiles(path);
    77        getModel().put("files", files);
    78      } catch (IllegalFileAccessException e) {
    79        return new ForbiddenView();
    80      }
    81  
    82      String uploadAction = null;
    83      if (type.equals(FileMetaData.BLOG_IMAGE)) {
    84        uploadAction = "uploadImageToBlog.secureaction";
    85      } else if (type.equals(FileMetaData.THEME_FILE)) {
    86        uploadAction = "uploadFileToTheme.secureaction";
    87      } else {
    88        uploadAction = "uploadFileToBlog.secureaction";
    89      }
    90  
    91      // does the user want details about a specific file?
    92      if (fileName != null && fileName.length() > 0) {
    93        getModel().put("file", fileManager.getFileMetaData(path, fileName));
    94      }
    95  
    96      getModel().put("type", type);
    97      getModel().put("directory", directory);
    98      getModel().put("parent", fileManager.getParent(directory));
    99      getModel().put("uploadAction", uploadAction);
   100      getModel().put("root", fileManager.getFileMetaData("/"));
   101  
   102      if (PebbleContext.getInstance().getConfiguration().getFileUploadQuota() > -1) {
   103        getModel().put("currentUsage", FileManager.getCurrentUsage(blog));
   104      }
   105  
   106      return new FilesView();
   107    }
   108  
   109  }