public override Task GetProfileDataAsync(ProfileDataRequestContext context)
        {
            var user = InMemoryUsers.GetAllUsers().SingleOrDefault(x => x.Subject == context.Subject.GetSubjectId());

            if (user != null)
            {
                context.IssuedClaims = user.Claims.Where(x => context.RequestedClaimTypes.Contains(x.Type));
            }

            return(Task.FromResult(0));
        }
        public override Task AuthenticateLocalAsync(LocalAuthenticationContext context)
        {
            var user = InMemoryUsers.GetAllUsers().SingleOrDefault(x => x.Username == context.UserName && x.Password == context.Password);

            if (user != null)
            {
                context.AuthenticateResult = new AuthenticateResult(user.Subject, user.Username);
            }

            return(Task.FromResult(0));
        }