nezha_dash/app/(main)/layout.tsx

import Footer from "@/app/(main)/footer";
import Header from "@/app/(main)/header";
import { auth } from "@/auth";
import { SignIn } from "@/components/SignIn";
import getEnv from "@/lib/env-entry";
import React from "react";

type DashboardProps = {
  children: React.ReactNode;
};
export default function MainLayout({ children }: DashboardProps) {
  return (
    <div className="flex min-h-screen w-full flex-col">
      <main className="flex min-h-[calc(100vh-calc(var(--spacing)*16))] flex-1 flex-col gap-4 bg-background p-4 md:p-10 md:pt-8">
        <Header />
        <AuthProtected>{children}</AuthProtected>
        <Footer />
      </main>
    </div>
  );
}

async function AuthProtected({ children }: DashboardProps) {
  if (getEnv("SitePassword")) {
    const session = await auth();
    if (!session) {
      return <SignIn />;
    }
  }
  return children;
}