Initial commit: FPT Financial Planning Tool

src/middleware.ts

@@ -0,0 +1,34 @@
+import { NextRequest, NextResponse } from "next/server";
+import { SESSION_COOKIE_NAME, verifySessionToken } from "@/lib/auth";
+
+const PUBLIC_PATHS = ["/login", "/api/auth/login", "/api/auth/setup", "/api/auth/status"];
+
+export async function middleware(request: NextRequest) {
+  const { pathname } = request.nextUrl;
+
+  if (
+    PUBLIC_PATHS.includes(pathname) ||
+    pathname.startsWith("/_next") ||
+    pathname.startsWith("/favicon")
+  ) {
+    return NextResponse.next();
+  }
+
+  const token = request.cookies.get(SESSION_COOKIE_NAME)?.value;
+  const isAuthenticated = token ? await verifySessionToken(token) : false;
+
+  if (!isAuthenticated) {
+    if (pathname.startsWith("/api")) {
+      return NextResponse.json({ error: "Nicht authentifiziert." }, { status: 401 });
+    }
+    const loginUrl = new URL("/login", request.url);
+    loginUrl.searchParams.set("next", pathname);
+    return NextResponse.redirect(loginUrl);
+  }
+
+  return NextResponse.next();
+}
+
+export const config = {
+  matcher: ["/((?!_next/static|_next/image|favicon.ico).*)"],
+};