ln.http/ln.http/RoleAuthorization.cs

using System.Reflection;
using ln.http.router;

namespace ln.http
{
    public static class RoleAuthorization
    {
        public static HttpAuthorizationDelegate Require(string roleName)
        {
            return context => context.AuthenticatedPrincipal?.HasRole(roleName) ?? false;
        }

        public static HttpAuthorizationDelegate RequireAll(params HttpAuthorizationDelegate[] authorizationDelegates)
        {
            return context =>
            {
                foreach (HttpAuthorizationDelegate authorizationDelegate in authorizationDelegates)
                {
                    if (!authorizationDelegate(context))
                        return false;
                }
                return true;
            };
        }
        public static HttpAuthorizationDelegate RequireOneOf(params HttpAuthorizationDelegate[] authorizationDelegates)
        {
            return context =>
            {
                foreach (HttpAuthorizationDelegate authorizationDelegate in authorizationDelegates)
                {
                    if (authorizationDelegate(context))
                        return true;
                }
                return false;
            };
        }
    }
}