Initial commit: Kalendartool (Next.js, Prisma, Docker)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
77
middleware.ts
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77
middleware.ts
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/**
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* Middleware: schuetzt alle privaten Bereiche (plan.md Abschnitt 13).
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*
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* Nicht angemeldete Benutzer werden zur Anmeldung geleitet, bevor
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* ueberhaupt serverseitige Daten geladen werden. Die eigentliche
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* Berechtigungspruefung bleibt zusaetzlich in den Routen/Seiten
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* (Defense in Depth) - die Middleware ist nur die erste Schranke.
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*/
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import { NextResponse, type NextRequest } from 'next/server';
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import { jwtVerify } from 'jose';
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const SESSION_COOKIE_NAME = 'calendar_session';
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/** Oeffentliche Pfade, die ohne Session erreichbar sind. */
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const PUBLIC_PATHS = new Set([
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'/login',
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'/register',
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'/forgot-password',
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// SSO-Einstieg der MultiToolApp-Plattform: Authentifizierung erfolgt
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// ueber das Hub-Token im Query-Parameter, nicht ueber die Session.
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'/auth/hub',
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// Modul-Contract: Manifest muss ohne Session abrufbar sein.
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'/api/manifest',
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]);
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function isPublicPath(pathname: string): boolean {
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if (PUBLIC_PATHS.has(pathname)) {
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return true;
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}
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// Invite-Annahme ist oeffentlich (plan.md Abschnitt 3).
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if (pathname.startsWith('/invite/')) {
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return true;
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}
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// Statische Assets und API-Auth-Routen.
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if (pathname.startsWith('/_next') || pathname.startsWith('/api/auth')) {
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return true;
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}
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// Modul-Contract: .well-known-Pfad (wird per Rewrite auf /api/manifest gemappt).
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if (pathname.startsWith('/.well-known/')) {
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return true;
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}
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return false;
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}
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export async function middleware(request: NextRequest) {
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const { pathname } = request.nextUrl;
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if (isPublicPath(pathname)) {
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return NextResponse.next();
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}
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const token = request.cookies.get(SESSION_COOKIE_NAME)?.value;
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if (!token) {
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const loginUrl = new URL('/login', request.url);
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return NextResponse.redirect(loginUrl);
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}
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try {
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const secret = new TextEncoder().encode(process.env.SESSION_SECRET ?? '');
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if (secret.length === 0) {
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throw new Error('SESSION_SECRET fehlt.');
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}
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await jwtVerify(token, secret);
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return NextResponse.next();
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} catch {
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// Ungueltige/abgelaufene Session -> Cookie loeschen und zur Anmeldung.
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const loginUrl = new URL('/login', request.url);
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const response = NextResponse.redirect(loginUrl);
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response.cookies.delete(SESSION_COOKIE_NAME);
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return response;
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}
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}
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export const config = {
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// Alles ausser statischen Dateien.
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matcher: ['/((?!favicon.ico|.*\\.(?:png|jpg|jpeg|svg|ico|webp|txt)).*)'],
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};
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