protected bool _attach_file_command(Guid?applicationId, DocFileInfo fileInfo,
                                            ref string responseText, ref byte[] fileContent, bool dontStore = false)
        {
            HttpContext context  = HttpContext.Current;
            string      filename = context.Request.Headers["X-File-Name"];

            filename = HttpUtility.UrlDecode(filename);

            if (string.IsNullOrEmpty(filename) && context.Request.Files.Count > 0)
            {
                filename = context.Request.Files[0].FileName;
            }

            if (filename.IndexOf("Encoded__") == 0)
            {
                filename = Base64.decode(filename.Substring(("Encoded__").Length));
            }

            if (string.IsNullOrEmpty(filename) && context.Request.Files.Count <= 0)
            {
                responseText = "{\"success\":false}";
                return(false);
            }

            fileInfo.Size      = context.Request.InputStream.Length;
            fileInfo.FileName  = "";
            fileInfo.Extension = "";

            int indexOfLastDot = filename.LastIndexOf('.');

            if (indexOfLastDot >= 0 && indexOfLastDot < filename.Length - 1)
            {
                fileInfo.Extension = filename.Substring(indexOfLastDot + 1).ToLower();
            }

            fileInfo.FileName = string.IsNullOrEmpty(fileInfo.Extension) ? filename : filename.Substring(0, indexOfLastDot);

            FolderNames fn = fileInfo.FolderName.HasValue ?
                             fileInfo.FolderName.Value : FolderNames.TemporaryFiles;

            bool result = filename == null?
                          __ie_response(applicationId, context.Request.Files[0], fileInfo, ref responseText, ref fileContent, dontStore) :
                              __other_browsers_response(applicationId, context.Request.InputStream, fileInfo, ref responseText, ref fileContent, dontStore);

            if (!result)
            {
                return(false);
            }

            if (applicationId.HasValue && paramsContainer.CurrentUserID.HasValue &&
                fileInfo.OwnerID.HasValue && fileInfo.OwnerID != Guid.Empty && fileInfo.FileID != null)
            {
                result = DocumentsController.add_file(applicationId.Value,
                                                      fileInfo.OwnerID.Value, fileInfo.OwnerType, fileInfo, paramsContainer.CurrentUserID.Value);

                if (!result)
                {
                    fileInfo.move(paramsContainer.ApplicationID, fn, FolderNames.TemporaryFiles);
                    responseText = "{\"success\":false}";
                    return(false);
                }
            }

            return(true);
        }