/// <summary>
/// Saves modified image data.
/// </summary>
/// <param name="name">Image name</param>
/// <param name="extension">Image extension</param>
/// <param name="mimetype">Image mimetype</param>
/// <param name="title">Image title</param>
/// <param name="description">Image description</param>
/// <param name="binary">Image binary data</param>
/// <param name="width">Image width</param>
/// <param name="height">Image height</param>
private void SaveImage(string name, string extension, string mimetype, string title, string description, byte[] binary, int width, int height)
{
// Process media file
if (mfi == null)
{
mfi = MediaFileInfoProvider.GetMediaFileInfo(mediafileGuid, CurrentSiteName);
}
if (mfi != null)
{
MediaLibraryInfo mli = MediaLibraryInfoProvider.GetMediaLibraryInfo(mfi.FileLibraryID);
if (mli != null)
{
string path = Path.GetDirectoryName(DirectoryHelper.CombinePath(MediaLibraryInfoProvider.GetMediaLibraryFolderPath(mli.LibraryID), mfi.FilePath));
bool permissionsOK = DirectoryHelper.CheckPermissions(path, false, true, true, true);
// Check file write permissions
FileInfo file = FileInfo.New(MediaFileInfoProvider.GetMediaFilePath(mfi.FileLibraryID, mfi.FilePath));
if (file != null)
{
permissionsOK = permissionsOK && !file.IsReadOnly;
}
if (permissionsOK)
{
MediaFileInfo originalMfi = mfi.Clone(true);
try
{
// Ensure object version
SynchronizationHelper.EnsureObjectVersion(mfi);
if (isPreview && !String.IsNullOrEmpty(PreviewPath))
{
SiteInfo si = SiteInfoProvider.GetSiteInfo(mfi.FileSiteID);
if (si != null)
{
string previewExt = (!String.IsNullOrEmpty(extension) && (extension != OldPreviewExt)) ? extension : OldPreviewExt;
string previewName = Path.GetFileNameWithoutExtension(PreviewPath);
string previewFolder = Path.EnsureSlashes(DirectoryHelper.CombinePath(Path.GetDirectoryName(mfi.FilePath).TrimEnd('/'), MediaLibraryHelper.GetMediaFileHiddenFolder(si.SiteName)));
// Delete old preview files with thumbnails
MediaFileInfoProvider.DeleteMediaFilePreview(SiteContext.CurrentSiteName, mli.LibraryID, mfi.FilePath);
MediaFileInfoProvider.DeleteMediaFilePreviewThumbnails(mfi);
// Save preview file
MediaFileInfoProvider.SaveFileToDisk(si.SiteName, mli.LibraryFolder, previewFolder, previewName, previewExt, mfi.FileGUID, binary, false, false);
// Log synchronization task
SynchronizationHelper.LogObjectChange(mfi, TaskTypeEnum.UpdateObject);
}
}
else
{
string newExt = null;
string newName = null;
if (!String.IsNullOrEmpty(extension))
{
newExt = extension;
}
if (!String.IsNullOrEmpty(mimetype))
{
mfi.FileMimeType = mimetype;
}
mfi.FileTitle = title;
mfi.FileDescription = description;
if (width > 0)
{
mfi.FileImageWidth = width;
}
if (height > 0)
{
mfi.FileImageHeight = height;
}
if (binary != null)
{
mfi.FileBinary = binary;
mfi.FileSize = binary.Length;
}
// Test all parameters to empty values and update new value if available
if (!String.IsNullOrEmpty(name))
{
newName = name;
}
// If filename changed move preview file and remove all ald thumbnails
if ((!String.IsNullOrEmpty(newName) && (mfi.FileName != newName)) || (!String.IsNullOrEmpty(newExt) && (mfi.FileExtension.ToLowerCSafe() != newExt.ToLowerCSafe())))
{
SiteInfo si = SiteInfoProvider.GetSiteInfo(mfi.FileSiteID);
if (si != null)
{
string fileName = (newName ?? mfi.FileName);
string fileExt = (newExt ?? mfi.FileExtension);
string newPath = MediaFileInfoProvider.GetMediaFilePath(mfi.FileLibraryID, DirectoryHelper.CombinePath(Path.GetDirectoryName(mfi.FilePath), fileName) + fileExt);
// Rename file only if file with same name does not exsists
if (!File.Exists(newPath))
{
// Ensure max length of file path
if (newPath.Length < 260)
{
// Remove old thumbnails
MediaFileInfoProvider.DeleteMediaFileThumbnails(mfi);
MediaFileInfoProvider.DeleteMediaFilePreviewThumbnails(mfi);
// Move media file
MediaFileInfoProvider.MoveMediaFile(si.SiteName, mli.LibraryID, mfi.FilePath, DirectoryHelper.CombinePath(Path.GetDirectoryName(mfi.FilePath), fileName) + fileExt, false);
// Set new file name or extension
mfi.FileName = fileName;
mfi.FileExtension = fileExt;
mfi.FileMimeType = MimeTypeHelper.GetMimetype(fileExt);
// Ensure new binary
if (binary != null)
{
mfi.FileBinary = binary;
mfi.FileSize = binary.Length;
}
}
else
{
throw new IOExceptions.PathTooLongException();
}
}
else
{
baseImageEditor.ShowError(GetString("img.errors.fileexists"));
SavingFailed = true;
return;
}
}
}
else
{
// Remove old thumbnails
MediaFileInfoProvider.DeleteMediaFileThumbnails(mfi);
// Remove original media file before save
string filePath = MediaFileInfoProvider.GetMediaFilePath(mfi.FileLibraryID, mfi.FilePath);
if (File.Exists(filePath))
{
File.Delete(filePath);
}
}
// Save new data
MediaFileInfoProvider.SetMediaFileInfo(mfi, false);
}
}
catch (Exception e)
{
// Log exception
EventLogProvider.LogException("ImageEditor", "Save file", e);
baseImageEditor.ShowError(GetString("img.errors.processing"), tooltipText: e.Message);
SavingFailed = true;
// Save original media file info
MediaFileInfoProvider.SetMediaFileInfo(originalMfi, false);
}
}
else // User hasn't permissions for save file
{
baseImageEditor.ShowError(GetString("img.errors.filesystempermissions"));
SavingFailed = true;
}
}
}
}
/// <summary>
/// New file event handler.
/// </summary>
protected void btnNew_Click(object sender, EventArgs e)
{
MediaFileInfo mfi = null;
try
{
string newFileName = txtNewFileName.Text.Trim();
// Check if the filename is in correct format
if (!ValidationHelper.IsFileName(newFileName))
{
lblErrorNew.Text = GetString("media.rename.wrongformat");
ErrorOccurred = true;
}
else
{
// Check 'File create' permission
if (MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(LibraryInfo, "filecreate"))
{
if (LibraryInfo != null)
{
// Get file and library info
if (CurrentFile != null)
{
if (File.Exists(CurrentFile.FullName))
{
// Save new file in the DB
if (SaveRequired != null)
{
mfi = SaveRequired(CurrentFile, txtNewFileTitle.Text.Trim(), txtNewDescripotion.Text.Trim(), URLHelper.GetSafeFileName(newFileName, SiteContext.CurrentSiteName, false), FilePath);
if (mfi != null)
{
mfi.RelatedData = CurrentFile.FullName;
}
}
}
else
{
lblErrorNew.Text = GetString("media.newfile.notexist");
ErrorOccurred = true;
}
}
}
}
else
{
lblErrorNew.Text = MediaLibraryHelper.GetAccessDeniedMessage("filecreate");
ErrorOccurred = true;
}
}
}
catch (Exception ex)
{
ErrorOccurred = true;
lblErrorNew.Text = (ex.InnerException != null ? ex.InnerException.Message : ex.Message);
}
// Display user with error encountered
if (ErrorOccurred)
{
lblErrorNew.Visible = true;
RaiseOnAction("error");
}
else
{
RaiseOnAction("save", mfi);
}
}
/// <summary>
/// Initializes common properties used for processing image.
/// </summary>
private void baseImageEditor_InitializeProperties()
{
// Process media file
if (baseImageEditor.ImageType == ImageHelper.ImageTypeEnum.MediaFile)
{
// Get mediafile
mfi = MediaFileInfoProvider.GetMediaFileInfo(mediafileGuid, CurrentSiteName);
// If file is not null
if (mfi != null)
{
MediaLibraryInfo mli = MediaLibraryInfoProvider.GetMediaLibraryInfo(mfi.FileLibraryID);
if ((mli != null) && (MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(mli, "filemodify")))
{
// Load media file thumbnail
if (isPreview)
{
PreviewPath = MediaFileInfoProvider.GetPreviewFilePath(mfi);
if (PreviewPath != null)
{
OldPreviewExt = Path.GetExtension(PreviewPath);
try
{
// Get file contents from file system
previewFile = File.ReadAllBytes(PreviewPath);
}
catch (Exception ex)
{
EventLogProvider.LogException("ImageEditor", "GetPreviewFile", ex);
}
if (previewFile != null)
{
baseImageEditor.ImgHelper = new ImageHelper(previewFile);
}
else
{
baseImageEditor.LoadingFailed = true;
baseImageEditor.ShowError(GetString("img.errors.loading"));
}
}
else
{
baseImageEditor.LoadingFailed = true;
baseImageEditor.ShowError(GetString("img.errors.loading"));
}
}
// Load media file
else
{
mfi.FileBinary = MediaFileInfoProvider.GetFile(mfi, mli.LibraryFolder, CurrentSiteName);
// Ensure metafile binary data
if (mfi.FileBinary != null)
{
baseImageEditor.ImgHelper = new ImageHelper(mfi.FileBinary);
}
else
{
baseImageEditor.LoadingFailed = true;
baseImageEditor.ShowError(GetString("img.errors.loading"));
}
}
}
else
{
baseImageEditor.LoadingFailed = true;
baseImageEditor.ShowError(GetString("img.errors.filemodify"));
}
}
else
{
baseImageEditor.LoadingFailed = true;
baseImageEditor.ShowError(GetString("img.errors.loading"));
}
}
// Check that image is in supported formats
if ((!baseImageEditor.LoadingFailed) && (baseImageEditor.ImgHelper.ImageFormatToString() == null))
{
baseImageEditor.LoadingFailed = true;
baseImageEditor.ShowError(GetString("img.errors.format"));
}
// Disable editor if loading failed
if (baseImageEditor.LoadingFailed)
{
Enabled = false;
}
}
