LotateImage

program.cs

        private static byte[] LotateImage(byte[] image)
        {
            var converter = new ImageConverter();
            var img = (Image)converter.ConvertFrom(image);
            var bmp = new Bitmap(img);
            
            var props = bmp.PropertyItems;

            for (int i = 0; i < props.Length; i++)
            {
                var p = props[i];

                if (p.Id == 0x0112)
                {
                    switch (p.Value[0])
                    {
                        case 1:

                            break;
                        case 3:
                            bmp.RotateFlip(System.Drawing.RotateFlipType.Rotate180FlipNone);
                            break;
                            
                        case 6:
                            bmp.RotateFlip(System.Drawing.RotateFlipType.Rotate270FlipNone);
                            break;
                        case 8:
                            bmp.RotateFlip(System.Drawing.RotateFlipType.Rotate90FlipNone);
                            break;
                    }
                }
            }
            var ms = new MemoryStream();
            bmp.Save(ms,System.Drawing.Imaging.ImageFormat.Jpeg);
            return ms.GetBuffer();
        }