Ticket #551: Uploader.cs

/*
 * FCKeditor - The text editor for internet
 * Copyright (C) 2003-2005 Frederico Caldeira Knabben
 * 
 * Licensed under the terms of the GNU Lesser General Public License:
 *              http://www.opensource.org/licenses/lgpl-license.php
 * 
 * For further information visit:
 *              http://www.fckeditor.net/
 * 
 * "Support Open Source software. What about a donation today?"
 * 
 * File Name: Uploader.cs
 *      This is the code behind of the uploader.aspx page used for Quick Uploads.
 * 
 * File Authors:
 *              Frederico Caldeira Knabben (fredck@fckeditor.net)
 */

using System ;
using System.Globalization ;
using System.Xml ;
using System.Web ;

namespace FredCK.FCKeditorV2
{
        public class Uploader : FileWorkerBase
        {
                protected override void OnLoad(EventArgs e)
                {
                        // Get the posted file.
                        HttpPostedFile oFile = Request.Files["NewFile"] ;

                        // Check if the file has been correctly uploaded
                        if ( oFile == null || oFile.ContentLength == 0 )
                        {
                                SendResults( 202 ) ;
                                return ;
                        }

                        int iErrorNumber = 0 ;
                        string sFileUrl = "" ;

                        // Get the uploaded file name.
                        string sFileName = System.IO.Path.GetFileName( oFile.FileName ) ;

                        int iCounter = 0 ;

                        while ( true )
                        {
                                string sFilePath = System.IO.Path.Combine( this.UserFilesDirectory, sFileName ) ;

                                if ( System.IO.File.Exists( sFilePath ) )
                                {
                                        iCounter++ ;
                                        sFileName = 
                                                System.IO.Path.GetFileNameWithoutExtension( oFile.FileName ) +
                                                "(" + iCounter + ")" +
                                                System.IO.Path.GetExtension( oFile.FileName ) ;

                                        iErrorNumber = 201 ;
                                }
                                else
                                {
                                        oFile.SaveAs( sFilePath ) ;

                                        sFileUrl = this.UserFilesPath + sFileName ;
                                        break ;
                                }
                        }

            // added by Junyin.Wu for convert ~ to application path
            sFileUrl = sFileUrl.Replace("~", Request.ApplicationPath);

                        SendResults( iErrorNumber, sFileUrl, sFileName ) ;
                }

                #region SendResults Method

                private void SendResults( int errorNumber )
                {
                        SendResults( errorNumber, "", "", "" ) ;
                }

                private void SendResults( int errorNumber, string fileUrl, string fileName )
                {
                        SendResults( errorNumber, fileUrl, fileName, "" ) ;
                }

                private void SendResults( int errorNumber, string fileUrl, string fileName, string customMsg )
                {
                        Response.Clear() ;

                        Response.Write( "<script type=\"text/javascript\">" ) ;
                        Response.Write( "window.parent.OnUploadCompleted(" + errorNumber + ",'" + fileUrl.Replace( "'", "\\'" ) + "','" + fileName.Replace( "'", "\\'" ) + "','" + customMsg.Replace( "'", "\\'" ) + "') ;" ) ;
                        Response.Write( "</script>" ) ;

                        Response.End() ;
                }

                #endregion
        }
}