Principal extensions

gistfile1.txt

    public static class PrincipalExtensions
    {
        public static string GetValue(this ClaimsPrincipal user, string type)
        {
            var claim = user.FindFirst(type);
            if (claim != null) return claim.Value;
            return null;
        }

        public static string GetValue(this IPrincipal user, string type)
        {
            var cp = user as ClaimsPrincipal;
            if (cp != null) return cp.GetValue(type);
            return null;
        }
    }