private static StegModel unstegImageByImageType(string path)
{
var sm = new StegModel();
var trimPath = path.ToLower().Trim();
// Check image type
if (trimPath.EndsWith(".jpg") || trimPath.EndsWith(".jpeg")) // JPEG
{
var stegStruct = JpegHelper.UnstegBinary(path);
sm.SecurityLevel = stegStruct.SecurityLevel;
sm.TotalSize = stegStruct.TotalSize;
sm.ContentFull = stegStruct.ContentFull;
sm.IsFile = stegStruct.IsFile;
sm.ContentSize = stegStruct.ContentSize;
sm.Content = stegStruct.Content;
}
else if (trimPath.EndsWith(".bmp")) // BITMAP
{
var stegStruct = BmpHelper.UnstegBinary(path);
sm.SecurityLevel = stegStruct.SecurityLevel;
sm.TotalSize = stegStruct.TotalSize;
sm.ContentFull = stegStruct.ContentFull;
sm.IsFile = stegStruct.IsFile;
sm.ContentSize = stegStruct.ContentSize;
sm.Content = stegStruct.Content;
}
else if (trimPath.EndsWith(".png")) // PNG
{
var stegStruct = PngHelper.UnstegBinary(path);
sm.SecurityLevel = stegStruct.SecurityLevel;
sm.TotalSize = stegStruct.TotalSize;
sm.ContentFull = stegStruct.ContentFull;
sm.IsFile = stegStruct.IsFile;
sm.ContentSize = stegStruct.ContentSize;
sm.Content = stegStruct.Content;
}
else if (trimPath.EndsWith(".gif")) // GIF
{
var stegStruct = GifHelper.UnstegBinary(path);
sm.SecurityLevel = stegStruct.SecurityLevel;
sm.TotalSize = stegStruct.TotalSize;
sm.ContentFull = stegStruct.ContentFull;
sm.IsFile = stegStruct.IsFile;
sm.ContentSize = stegStruct.ContentSize;
sm.Content = stegStruct.Content;
}
else if (trimPath.EndsWith(".tif") || trimPath.EndsWith(".tiff")) // TIFF
{
var stegStruct = TifHelper.UnstegBinary(path);
sm.SecurityLevel = stegStruct.SecurityLevel;
sm.TotalSize = stegStruct.TotalSize;
sm.ContentFull = stegStruct.ContentFull;
sm.IsFile = stegStruct.IsFile;
sm.ContentSize = stegStruct.ContentSize;
sm.Content = stegStruct.Content;
}
else if (!string.IsNullOrEmpty(trimPath))
{
MessageBox.Show("Wrong extension.", "StegImageUI", MessageBoxButton.OK, MessageBoxImage.Information);
}
return(sm);
}
