public async Task ReceiveAsync(AuthenticationTokenReceiveContext context) { var allowedOrigin = context.OwinContext.Get<string>("as:clientAllowedOrigin"); context.OwinContext.Response.Headers.Add("Access-Control-Allow-Origin", new[] { allowedOrigin }); string hashedTokenId = Helper.GetHash(context.Token); using (AccountRepository _repo = new AccountRepository(new MyRoomDbContext())) { var refreshToken = await _repo.FindRefreshToken(hashedTokenId); if (refreshToken != null ) { //Get protectedTicket from refreshToken class context.DeserializeTicket(refreshToken.ProtectedTicket); var result = await _repo.RemoveRefreshToken(hashedTokenId); } } }