Add user authentication and role management

app/page.tsx

@@ -1,24 +1,13 @@
-import { chatGPTSignOutPath, requireChatGPTUser } from "./chatgpt-auth";
+import { headers } from "next/headers";
+import { redirect } from "next/navigation";
 import AdminApp from "./admin-app";
-import { isAdminEmail } from "../lib/admin-auth";
+import { getUserFromCookieHeader } from "../lib/user-auth";
 
 export const dynamic = "force-dynamic";
 
 export default async function Page() {
-  const user = await requireChatGPTUser("/");
-
-  if (!isAdminEmail(user.email)) {
-    return (
-      <main className="admin-access-denied">
-        <section>
-          <p>KOC LOOP</p>
-          <h1>当前账号没有后台权限</h1>
-          <span>请切换为管理员账号后再试。</span>
-          <a href={chatGPTSignOutPath("/")}>切换账号</a>
-        </section>
-      </main>
-    );
-  }
-
-  return <AdminApp />;
+  const requestHeaders = await headers();
+  const user = await getUserFromCookieHeader(requestHeaders.get("cookie"));
+  if (!user) redirect("/login");
+  return <AdminApp currentUser={user} />;
 }