/// <summary> /// Provides operations necessary to create and store new library file. /// </summary> private void HandleLibrariesUpload() { // Get related library info if (LibraryInfo != null) { MediaFileInfo mediaFile = null; // Get the site name SiteInfo si = SiteInfoProvider.GetSiteInfo(LibraryInfo.LibrarySiteID); string siteName = (si != null) ? si.SiteName : SiteContext.CurrentSiteName; string message = string.Empty; try { // Check the allowed extensions CheckAllowedExtensions(); if (MediaFileID > 0) { #region "Check permissions" if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(LibraryInfo, "FileModify")) { throw new Exception(GetString("media.security.nofilemodify")); } #endregion mediaFile = MediaFileInfoProvider.GetMediaFileInfo(MediaFileID); if (mediaFile != null) { // Ensure object version SynchronizationHelper.EnsureObjectVersion(mediaFile); if (IsMediaThumbnail) { string newFileExt = Path.GetExtension(ucFileUpload.FileName).TrimStart('.'); if ((ImageHelper.IsImage(newFileExt)) && (newFileExt.ToLowerCSafe() != "ico") && (newFileExt.ToLowerCSafe() != "wmf")) { // Update or creation of Media File update string previewSuffix = MediaLibraryHelper.GetMediaFilePreviewSuffix(siteName); if (!String.IsNullOrEmpty(previewSuffix)) { string previewExtension = Path.GetExtension(ucFileUpload.PostedFile.FileName); string previewName = Path.GetFileNameWithoutExtension(MediaLibraryHelper.GetPreviewFileName(mediaFile.FileName, mediaFile.FileExtension, previewExtension, siteName, previewSuffix)); string previewFolder = DirectoryHelper.CombinePath(Path.EnsureSlashes(LibraryFolderPath.TrimEnd('/')), MediaLibraryHelper.GetMediaFileHiddenFolder(siteName)); byte[] previewFileBinary = new byte[ucFileUpload.PostedFile.ContentLength]; ucFileUpload.PostedFile.InputStream.Read(previewFileBinary, 0, ucFileUpload.PostedFile.ContentLength); // Delete current preview thumbnails MediaFileInfoProvider.DeleteMediaFilePreview(siteName, mediaFile.FileLibraryID, mediaFile.FilePath); // Save preview file MediaFileInfoProvider.SaveFileToDisk(siteName, LibraryInfo.LibraryFolder, previewFolder, previewName, previewExtension, mediaFile.FileGUID, previewFileBinary, false, false); // Log synchronization task SynchronizationHelper.LogObjectChange(mediaFile, TaskTypeEnum.UpdateObject); } // Drop the cache dependencies CacheHelper.TouchKeys(MediaFileInfoProvider.GetDependencyCacheKeys(mediaFile, true)); } else { message = GetString("media.file.onlyimgthumb"); } } else { // Get folder path string path = Path.GetDirectoryName(DirectoryHelper.CombinePath(MediaLibraryInfoProvider.GetMediaLibraryFolderPath(LibraryInfo.LibraryID), mediaFile.FilePath)); // If file system permissions are sufficient for file update if (DirectoryHelper.CheckPermissions(path, false, true, true, true)) { // Delete existing media file MediaFileInfoProvider.DeleteMediaFile(LibraryInfo.LibrarySiteID, LibraryInfo.LibraryID, mediaFile.FilePath, true); // Update media file preview if (MediaLibraryHelper.HasPreview(siteName, LibraryInfo.LibraryID, mediaFile.FilePath)) { // Get new unique file name string newName = URLHelper.GetSafeFileName(ucFileUpload.PostedFile.FileName, siteName); // Get new file path string newPath = DirectoryHelper.CombinePath(path, newName); newPath = MediaLibraryHelper.EnsureUniqueFileName(newPath); newName = Path.GetFileName(newPath); // Rename preview MediaLibraryHelper.MoveMediaFilePreview(mediaFile, newName); // Delete preview thumbnails MediaFileInfoProvider.DeleteMediaFilePreviewThumbnails(mediaFile); } // Receive media info on newly posted file mediaFile = GetUpdatedFile(mediaFile); // Save media file information MediaFileInfoProvider.SetMediaFileInfo(mediaFile); } else { // Set error message message = String.Format(GetString("media.accessdeniedtopath"), path); } } } } else { #region "Check permissions" // Creation of new media file if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(LibraryInfo, "FileCreate")) { throw new Exception(GetString("media.security.nofilecreate")); } #endregion // No file for upload specified if (!ucFileUpload.HasFile) { throw new Exception(GetString("media.newfile.errorempty")); } // Create new media file record mediaFile = new MediaFileInfo(ucFileUpload.PostedFile, LibraryID, LibraryFolderPath, ResizeToWidth, ResizeToHeight, ResizeToMaxSideSize, LibraryInfo.LibrarySiteID); mediaFile.FileDescription = ""; // Save the new file info MediaFileInfoProvider.SetMediaFileInfo(mediaFile); } } catch (Exception ex) { // Creation of new media file failed message = ex.Message; } finally { // Create media file info string string mediaInfo = ""; if ((mediaFile != null) && (mediaFile.FileID > 0) && (IncludeNewItemInfo)) { mediaInfo = mediaFile.FileID + "|" + LibraryFolderPath.Replace('\\', '>').Replace("'", "\\'"); } // Ensure message text message = HTMLHelper.EnsureLineEnding(message, " "); if (RaiseOnClick) { ScriptHelper.RegisterStartupScript(Page, typeof(Page), "UploaderOnClick", ScriptHelper.GetScript("if (parent.UploaderOnClick) { parent.UploaderOnClick('" + MediaFileName.Replace(" ", "").Replace(".", "").Replace("-", "") + "'); }")); } string script = String.Format(@" if (typeof(parent.DFU) !== 'undefined') {{ parent.DFU.OnUploadCompleted('{0}'); }} if ((window.parent != null) && (/parentelemid={1}/i.test(window.location.href)) && (window.parent.InitRefresh_{1} != null)){{ window.parent.InitRefresh_{1}({2}, false, '{3}'{4}); }}", QueryHelper.GetString("containerid", ""), ParentElemID, ScriptHelper.GetString(message.Trim()), mediaInfo, (InsertMode ? ", 'insert'" : ", 'update'")); // Call function to refresh parent window ScriptHelper.RegisterStartupScript(Page, typeof(Page), "RefreshParrent", ScriptHelper.GetScript(script)); } } }
protected void btnUpload_Click(object sender, EventArgs e) { MediaLibraryInfo mli = MediaLibraryInfoProvider.GetMediaLibraryInfo(LibraryID); if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(mli, "manage")) { // Check 'File create' permission if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(mli, "filecreate")) { RaiseOnNotAllowed("filecreate"); return; } } if (String.IsNullOrWhiteSpace(fileUploader.FileName) && !fileUploader.HasFile) { lblError.Text = GetString("media.selectfile"); lblError.Visible = true; return; } // Check if preview file is image if ((previewUploader.HasFile) && (!ImageHelper.IsImage(Path.GetExtension(previewUploader.FileName))) && (Path.GetExtension(previewUploader.FileName).ToLowerCSafe() != ".ico") && (Path.GetExtension(previewUploader.FileName).ToLowerCSafe() != ".tif") && (Path.GetExtension(previewUploader.FileName).ToLowerCSafe() != ".tiff") && (Path.GetExtension(previewUploader.FileName).ToLowerCSafe() != ".wmf")) { lblError.Text = GetString("Media.File.PreviewIsNotImage"); lblError.Visible = true; return; } // Check if the preview file with given extension is allowed for library module // Check if file with given extension is allowed for library module string fileExt = Path.GetExtension(fileUploader.FileName).TrimStart('.'); string previewFileExt = Path.GetExtension(previewUploader.FileName).TrimStart('.'); // Check file extension if (!MediaLibraryHelper.IsExtensionAllowed(fileExt)) { lblError.Text = String.Format(GetString("media.newfile.extensionnotallowed"), fileExt); lblError.Visible = true; return; } // Check preview extension if ((previewFileExt.Trim() != "") && !MediaLibraryHelper.IsExtensionAllowed(previewFileExt)) { lblError.Text = String.Format(GetString("media.newfile.extensionnotallowed"), previewFileExt); lblError.Visible = true; return; } if (mli != null) { try { // Create new Media file MediaFileInfo mfi = new MediaFileInfo(fileUploader.PostedFile, LibraryID, DestinationPath); // Save record to the database MediaFileInfoProvider.SetMediaFileInfo(mfi); // Save preview if presented if (previewUploader.HasFile) { // Get preview suffix if not set if (String.IsNullOrEmpty(PreviewSuffix)) { PreviewSuffix = MediaLibraryHelper.GetMediaFilePreviewSuffix(SiteContext.CurrentSiteName); } if (!String.IsNullOrEmpty(PreviewSuffix)) { // Get physical path within the media library String path; if ((DestinationPath != null) && DestinationPath.TrimEnd('/') != "") { path = DirectoryHelper.CombinePath(Path.EnsureBackslashes(DestinationPath, true), MediaLibraryHelper.GetMediaFileHiddenFolder(SiteContext.CurrentSiteName)); } else { path = MediaLibraryHelper.GetMediaFileHiddenFolder(SiteContext.CurrentSiteName); } string previewExtension = Path.GetExtension(previewUploader.PostedFile.FileName); string previewName = Path.GetFileNameWithoutExtension(MediaLibraryHelper.GetPreviewFileName(mfi.FileName, mfi.FileExtension, previewExtension, SiteContext.CurrentSiteName, PreviewSuffix)); // Save preview file MediaFileInfoProvider.SaveFileToDisk(SiteContext.CurrentSiteName, mli.LibraryFolder, path, previewName, previewExtension, mfi.FileGUID, previewUploader.PostedFile.InputStream, false); } } // Clear cache if (PortalContext.CurrentPageManager != null) { PortalContext.CurrentPageManager.ClearCache(); } // Display info to the user lblInfo.Text = GetString("media.fileuploaded"); lblInfo.Visible = true; if (OnAfterFileUpload != null) { OnAfterFileUpload(); } } catch (Exception ex) { lblError.Visible = true; lblError.Text = ex.Message; lblError.ToolTip = ex.StackTrace; } } }
protected void btnOk_Click(object sender, EventArgs e) { MediaLibraryInfo mli = MediaLibraryInfoProvider.GetMediaLibraryInfo(LibraryID); // Check 'File create' permission if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(mli, "filecreate")) { RaiseOnNotAllowed("filecreate"); return; } // No file for upload specified if (!FileUpload.HasFile) { lblError.Text = GetString("media.newfile.errorempty"); return; } // Check if preview file is image if ((PreviewUpload.HasFile) && (!ImageHelper.IsImage(Path.GetExtension(PreviewUpload.FileName))) && (Path.GetExtension(PreviewUpload.FileName).ToLowerCSafe() != ".ico") && (Path.GetExtension(PreviewUpload.FileName).ToLowerCSafe() != ".tif") && (Path.GetExtension(PreviewUpload.FileName).ToLowerCSafe() != ".tiff") && (Path.GetExtension(PreviewUpload.FileName).ToLowerCSafe() != ".wmf")) { lblError.Text = GetString("Media.File.PreviewIsNotImage"); return; } if (mli != null) { // Get file extension string fileExtension = Path.GetExtension(FileUpload.FileName).TrimStart('.'); // Check file extension if (MediaLibraryHelper.IsExtensionAllowed(fileExtension)) { try { // Create new media file record MediaFileInfo mediaFile = new MediaFileInfo(FileUpload.PostedFile, LibraryID, FolderPath); mediaFile.FileDescription = txtFileDescription.Text; // Save the new file info MediaFileInfoProvider.SetMediaFileInfo(mediaFile); // Save preview if presented if (PreviewUpload.HasFile) { string previewSuffix = MediaLibraryHelper.GetMediaFilePreviewSuffix(CMSContext.CurrentSiteName); if (!String.IsNullOrEmpty(previewSuffix)) { string previewExtension = Path.GetExtension(PreviewUpload.PostedFile.FileName); string previewName = Path.GetFileNameWithoutExtension(MediaLibraryHelper.GetPreviewFileName(mediaFile.FileName, mediaFile.FileExtension, previewExtension, CMSContext.CurrentSiteName, previewSuffix)); string previewFolder = MediaLibraryHelper.EnsurePath(FolderPath.TrimEnd('/')) + "/" + MediaLibraryHelper.GetMediaFileHiddenFolder(CMSContext.CurrentSiteName); byte[] previewFileBinary = new byte[PreviewUpload.PostedFile.ContentLength]; PreviewUpload.PostedFile.InputStream.Read(previewFileBinary, 0, PreviewUpload.PostedFile.ContentLength); // Save preview file MediaFileInfoProvider.SaveFileToDisk(CMSContext.CurrentSiteName, mli.LibraryFolder, previewFolder, previewName, previewExtension, mediaFile.FileGUID, previewFileBinary, false); // Log synchronization task SynchronizationHelper.LogObjectChange(mediaFile, TaskTypeEnum.UpdateObject); } } string normalizedFolderPath = MediaLibraryHelper.EnsurePath(FolderPath).Trim('/'); // If the event was fired by control itself- no save another media file should be proceeded if (e != null) { ltlScript.Text += ScriptHelper.GetScript("RefreshAndClose('" + normalizedFolderPath.Replace("\'", "\\'") + "');"); } else { ltlScript.Text += ScriptHelper.GetScript("RefreshParent('" + normalizedFolderPath.Replace("\'", "\\'") + "');"); } } catch (Exception ex) { // Creation of new media file failed lblError.Text = GetString("media.newfile.failed") + ": " + ex.Message; } } else { // The file with extension selected isn't allowed lblError.Text = String.Format(GetString("media.newfile.extensionnotallowed"), fileExtension); } } }
/// <summary> /// Provides operations necessary to create and store new library file. /// </summary> private void HandleLibrariesUpload() { // Get related library info if (LibraryInfo != null) { MediaFileInfo mediaFile = null; // Get the site name string siteName = CMSContext.CurrentSiteName; SiteInfo si = SiteInfoProvider.GetSiteInfo(LibraryInfo.LibrarySiteID); if (si != null) { siteName = si.SiteName; } string message = string.Empty; try { // Check the allowed extensions CheckAllowedExtensions(); if (MediaFileID > 0) { #region "Check permissions" if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(LibraryInfo, "FileModify")) { throw new Exception(GetString("media.security.nofilemodify")); } #endregion mediaFile = MediaFileInfoProvider.GetMediaFileInfo(MediaFileID); if (mediaFile != null) { // Ensure object version SynchronizationHelper.EnsureObjectVersion(mediaFile); if (IsMediaThumbnail) { string newFileExt = Path.GetExtension(ucFileUpload.FileName).TrimStart('.'); if ((ImageHelper.IsImage(newFileExt)) && (newFileExt.ToLower() != "ico") && (newFileExt.ToLower() != "wmf")) { // Update or creation of Media File update string previewSuffix = MediaLibraryHelper.GetMediaFilePreviewSuffix(siteName); if (!String.IsNullOrEmpty(previewSuffix)) { string previewExtension = Path.GetExtension(ucFileUpload.PostedFile.FileName); string previewName = Path.GetFileNameWithoutExtension(MediaLibraryHelper.GetPreviewFileName(mediaFile.FileName, mediaFile.FileExtension, previewExtension, siteName, previewSuffix)); string previewFolder = DirectoryHelper.CombinePath(MediaLibraryHelper.EnsurePath(LibraryFolderPath.TrimEnd('/')), MediaLibraryHelper.GetMediaFileHiddenFolder(siteName)); byte[] previewFileBinary = new byte[ucFileUpload.PostedFile.ContentLength]; ucFileUpload.PostedFile.InputStream.Read(previewFileBinary, 0, ucFileUpload.PostedFile.ContentLength); // Delete current preview thumbnails MediaFileInfoProvider.DeleteMediaFilePreview(siteName, mediaFile.FileLibraryID, mediaFile.FilePath, false); // Save preview file MediaFileInfoProvider.SaveFileToDisk(siteName, LibraryInfo.LibraryFolder, previewFolder, previewName, previewExtension, mediaFile.FileGUID, previewFileBinary, false, false); // Log synchronization task SynchronizationHelper.LogObjectChange(mediaFile, TaskTypeEnum.UpdateObject); } // Drop the cache dependencies CacheHelper.TouchKeys(MediaFileInfoProvider.GetDependencyCacheKeys(mediaFile, true)); } else { message = GetString("media.file.onlyimgthumb"); } } else { // Delete existing media file MediaFileInfoProvider.DeleteMediaFile(LibraryInfo.LibrarySiteID, LibraryInfo.LibraryID, mediaFile.FilePath, true, false); // Update media file preview if (MediaLibraryHelper.HasPreview(siteName, LibraryInfo.LibraryID, mediaFile.FilePath)) { // Get new file path string newPath = DirectoryHelper.CombinePath(Path.GetDirectoryName(mediaFile.FilePath).TrimEnd('/'), ucFileUpload.PostedFile.FileName); newPath = MediaLibraryHelper.EnsureUniqueFileName(newPath); // Get new unique file name string newName = Path.GetFileName(newPath); // Rename preview MediaLibraryHelper.MoveMediaFilePreview(mediaFile, newName); // Delete preview thumbnails MediaFileInfoProvider.DeleteMediaFilePreviewThumbnails(mediaFile); } // Receive media info on newly posted file mediaFile = GetUpdatedFile(mediaFile.Generalized.DataClass); MediaFileInfoProvider.SetMediaFileInfo(mediaFile); } } } else { // Creation of new media file #region "Check permissions" if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(LibraryInfo, "FileCreate")) { throw new Exception(GetString("media.security.nofilecreate")); } #endregion // No file for upload specified if (!ucFileUpload.HasFile) { throw new Exception(GetString("media.newfile.errorempty")); } // Create new media file record mediaFile = new MediaFileInfo(ucFileUpload.PostedFile, LibraryID, LibraryFolderPath, ResizeToWidth, ResizeToHeight, ResizeToMaxSideSize, LibraryInfo.LibrarySiteID); mediaFile.FileDescription = ""; // Save the new file info MediaFileInfoProvider.SetMediaFileInfo(mediaFile); } } catch (Exception ex) { // Creation of new media file failed message = ex.Message; } finally { // Create media file info string string mediaInfo = ""; if ((mediaFile != null) && (mediaFile.FileID > 0) && (IncludeNewItemInfo)) { mediaInfo = mediaFile.FileID + "|" + LibraryFolderPath.Replace('\\', '>').Replace("'", "\\'"); } // Ensure message text message = HTMLHelper.EnsureLineEnding(message, " "); // Call function to refresh parent window ScriptHelper.RegisterStartupScript(this.Page, typeof(Page), "refresh", ScriptHelper.GetScript("if ((wopener.parent != null) && (wopener.parent.InitRefresh_" + ParentElemID + " != null)){wopener.parent.InitRefresh_" + ParentElemID + "(" + ScriptHelper.GetString(message.Trim()) + ", false" + ((mediaInfo != "") ? ", '" + mediaInfo + "'" : "") + (InsertMode ? ", 'insert'" : ", 'update'") + ");}window.close();")); } } }
/// <summary> /// Provides operations necessary to create and store new files in media library. /// </summary> /// <param name="args">Upload arguments.</param> /// <param name="context">HttpContext instance.</param> private void HandleMediaLibraryUpload(UploaderHelper args, HttpContext context) { string uploadPath = Path.Combine(MediaLibraryInfoProvider.GetMediaLibraryFolderPath(args.MediaLibraryArgs.LibraryID), args.MediaLibraryArgs.FolderPath); string filePath = Path.Combine(uploadPath, args.FileName); MediaLibraryInfo mli = MediaLibraryInfoProvider.GetMediaLibraryInfo(args.MediaLibraryArgs.LibraryID); if (mli != null) { MediaFileInfo mediaFile = null; // Get the site name SiteInfo si = SiteInfoProvider.GetSiteInfo(mli.LibrarySiteID); string siteName = (si != null) ? si.SiteName : CMSContext.CurrentSiteName; try { args.IsExtensionAllowed(); if (args.MediaLibraryArgs.MediaFileID > 0) { if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(mli, "FileModify")) { throw new Exception(ResHelper.GetString("media.security.nofilemodify")); } mediaFile = MediaFileInfoProvider.GetMediaFileInfo(args.MediaLibraryArgs.MediaFileID); if (mediaFile != null) { // Ensure object version SynchronizationHelper.EnsureObjectVersion(mediaFile); if (args.MediaLibraryArgs.IsMediaThumbnail) { if ((ImageHelper.IsImage(args.Extension)) && (args.Extension.ToLowerCSafe() != "ico") && (args.Extension.ToLowerCSafe() != "wmf")) { // Update or creation of Media File update string previewSuffix = MediaLibraryHelper.GetMediaFilePreviewSuffix(siteName); if (!String.IsNullOrEmpty(previewSuffix)) { //string previewExtension = Path.GetExtension(ucFileUpload.PostedFile.FileName); string previewName = Path.GetFileNameWithoutExtension(MediaLibraryHelper.GetPreviewFileName(mediaFile.FileName, mediaFile.FileExtension, args.Extension, siteName, previewSuffix)); string previewFolder = String.Format("{0}\\{1}", MediaLibraryHelper.EnsurePath(args.MediaLibraryArgs.FolderPath.TrimEnd('/')), MediaLibraryHelper.GetMediaFileHiddenFolder(siteName)); // This method is limited to 2^32 byte files (4.2 GB) using (FileStream fs = File.OpenRead(args.FilePath)) { byte[] previewFileBinary = new byte[fs.Length]; fs.Read(previewFileBinary, 0, Convert.ToInt32(fs.Length)); // Delete current preview thumbnails MediaFileInfoProvider.DeleteMediaFilePreview(siteName, mediaFile.FileLibraryID, mediaFile.FilePath, false); // Save preview file MediaFileInfoProvider.SaveFileToDisk(siteName, mli.LibraryFolder, previewFolder, previewName, args.Extension, mediaFile.FileGUID, previewFileBinary, false, false); // Log synchronization task SynchronizationHelper.LogObjectChange(mediaFile, TaskTypeEnum.UpdateObject); fs.Close(); } } // Drop the cache dependencies CacheHelper.TouchKeys(MediaFileInfoProvider.GetDependencyCacheKeys(mediaFile, true)); } else { args.Message = ResHelper.GetString("media.file.onlyimgthumb"); } } else { // Get folder path string path = Path.GetDirectoryName(DirectoryHelper.CombinePath(MediaLibraryInfoProvider.GetMediaLibraryFolderPath(mli.LibraryID), mediaFile.FilePath)); // If file system permissions are sufficient for file update if (DirectoryHelper.CheckPermissions(path, false, true, true, true)) { // Delete existing media file MediaFileInfoProvider.DeleteMediaFile(mli.LibrarySiteID, mli.LibraryID, mediaFile.FilePath, true, false); // Update media file preview if (MediaLibraryHelper.HasPreview(siteName, mli.LibraryID, mediaFile.FilePath)) { // Get new unique file name string newName = URLHelper.GetSafeFileName(Path.GetFileName(args.Name), siteName); // Get new file path string newPath = DirectoryHelper.CombinePath(path, newName); newPath = MediaLibraryHelper.EnsureUniqueFileName(newPath); newName = Path.GetFileName(newPath); // Rename preview MediaLibraryHelper.MoveMediaFilePreview(mediaFile, newName); // Delete preview thumbnails MediaFileInfoProvider.DeleteMediaFilePreviewThumbnails(mediaFile); } // Receive media info on newly posted file mediaFile = GetUpdatedFile(mediaFile.Generalized.DataClass, args, mli); MediaFileInfoProvider.SetMediaFileInfo(mediaFile); } } } } else { // Check 'File create' permission if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(mli, "filecreate")) { throw new Exception(ResHelper.GetString("media.security.nofilecreate")); } mediaFile = new MediaFileInfo(args.FilePath, args.MediaLibraryArgs.LibraryID, args.MediaLibraryArgs.FolderPath, args.ResizeToWidth, args.ResizeToHeight, args.ResizeToMaxSide); MediaFileInfoProvider.SetMediaFileInfo(mediaFile); } } catch (Exception ex) { // Creation of new media file failed args.Message = ex.Message; // The CMS.IO library uses reflection to create an instance of file stream if (ex is System.Reflection.TargetInvocationException) { if (ex.InnerException != null && !String.IsNullOrEmpty(ex.Message)) { args.Message = ex.InnerException.Message; } } // Log the error EventLogProvider.LogException("MultiFileUploader", "UPLOADMEDIA", ex); } finally { if (args.RaiseOnClick) { args.AfterScript += string.Format(@" if(window.UploaderOnClick) {{ window.UploaderOnClick('{0}'); }}", args.MediaLibraryArgs.MediaFileName.Replace(" ", "").Replace(".", "").Replace("-", "")); } // Create media library info string string mediaInfo = ((mediaFile != null) && (mediaFile.FileID > 0) && (args.IncludeNewItemInfo)) ? String.Format("'{0}|{1}', ", mediaFile.FileID, args.MediaLibraryArgs.FolderPath.Replace('\\', '>').Replace("'", "\\'")) : ""; // Create after script and return it to the silverlight application, this script will be evaluated by the SL application in the end args.AfterScript += string.Format(@" if (window.InitRefresh_{0}) {{ window.InitRefresh_{0}('{1}', false, {2}); }} else {{ if ('{1}' != '') {{ alert('{1}'); }} }}", args.ParentElementID, ScriptHelper.GetString(args.Message.Trim(), false), mediaInfo + (args.IsInsertMode ? "'insert'" : "'update'")); args.AddEventTargetPostbackReference(); context.Response.Write(args.AfterScript); context.Response.Flush(); } } }