private static void CreateImage(HttpContext context, int width, int height, string filename, string virtualPath)
{
var img = context.Request.Files[0];
var bitmap = new Bitmap(img.InputStream);
var avatarBitmap = new Bitmap(bitmap, width, height);
var graphic = Graphics.FromImage(avatarBitmap);
graphic.SmoothingMode = SmoothingMode.AntiAlias;
graphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
// Draw the new graphic based on the resized bitmap
graphic.DrawImage(avatarBitmap, 0, 0, width, height);
var extention = Path.GetExtension(img.FileName);
filename += extention;
var path = context.Server.MapPath(virtualPath + filename);
var manager = context.GetOwinContext().GetUserManager<ApplicationUserManager>();
var user = manager.FindById(long.Parse(context.User.Identity.GetUserId()));
var oldImgPath = string.Empty;
if (user != null)
{
oldImgPath = user.AvatarUrl;
user.AvatarUrl = filename;
}
if (File.Exists(context.Server.MapPath(virtualPath + oldImgPath)) && !oldImgPath.Equals("Default.jpg"))
File.Delete(context.Server.MapPath(virtualPath + oldImgPath));
if (File.Exists(context.Server.MapPath(virtualPath+"Thumbnail/" + oldImgPath)) && !oldImgPath.Equals("Default.jpg"))
File.Delete(context.Server.MapPath(virtualPath + "Thumbnail/" + oldImgPath));
avatarBitmap.Save(path);
manager.Update(user);
bitmap.Dispose();
avatarBitmap.Dispose();
graphic.Dispose();
}
/// <summary>
/// Called when [unauthorized].
/// </summary>
/// <param name="context">The context.</param>
protected virtual void OnUnauthorized(HttpContext context)
{
//WebSecurity.Logout();
//FormsAuthentication.SignOut(); // it is ok to use this here, since that is what WebSecurity calls anyway
context.GetOwinContext().Authentication.SignOut();
// now check if store is accessible
context.Response.Redirect(context.Request.RawUrl);
}
