feat: Phase 5 — Härtung (CSRF, Rate-Limit, Validation, Error Boundary, README)
Schritt 28 — CSRF-Schutz (Double Submit Cookie Pattern): - server/middleware/csrf.js: generiert 32-Byte-Token, speichert in Session + Cookie; validiert X-CSRF-Token-Header auf POST/PUT/PATCH/DELETE via timingSafeEqual - server/auth.js: CSRF-Token beim Login erzeugen und als Cookie setzen - public/api.js: getCsrfToken() liest Cookie; apiFetch() sendet Header auf state-ändernden Requests automatisch Schritt 29 — Globaler Rate-Limiter: - server/index.js: apiLimiter (300 req/min/IP) auf allen /api/-Routen; ergänzt den bestehenden loginLimiter (5 req/min) Schritt 27 — Zentralisierte Eingabe-Validierung: - server/middleware/validate.js: str(), oneOf(), date(), time(), num(), color(), collectErrors() mit einheitlichen Längengrenzen (MAX_TITLE=200, MAX_TEXT=5000) - server/routes/tasks.js: validateTaskInput() nutzt nun validate.js Schritt 31 — Frontend Error Boundary: - public/router.js: window.onerror + unhandledrejection-Handler zeigen Toast Schritt 33 — README.md: - Setup-Anleitung (Docker + Node.js), Nginx-Config, User-Verwaltung, Umgebungsvariablen-Referenz, Backup, Sicherheitsübersicht Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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+23
-5
@@ -7,11 +7,13 @@
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'use strict';
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require('dotenv').config();
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const express = require('express');
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const helmet = require('helmet');
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const path = require('path');
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const db = require('./db');
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const express = require('express');
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const helmet = require('helmet');
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const rateLimit = require('express-rate-limit');
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const path = require('path');
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const db = require('./db');
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const { router: authRouter, sessionMiddleware, requireAuth } = require('./auth');
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const { csrfMiddleware } = require('./middleware/csrf');
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const app = express();
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const PORT = process.env.PORT || 3000;
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@@ -72,13 +74,29 @@ app.use(express.static(path.join(__dirname, '..', 'public'), {
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etag: true,
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}));
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// --------------------------------------------------------
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// Globaler API-Rate-Limiter (Schritt 29)
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// Verhindert Brute-Force und DoS auf allen API-Endpunkten.
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// Login hat einen eigenen, strengeren Limiter (auth.js).
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// --------------------------------------------------------
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const apiLimiter = rateLimit({
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windowMs: 60_000, // 1 Minute
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max: 300, // 300 Requests/Minute pro IP (großzügig für Familien-App)
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standardHeaders: true,
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legacyHeaders: false,
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message: { error: 'Zu viele Anfragen. Bitte warte kurz.', code: 429 },
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skip: (req) => req.path === '/health', // Health-Check ausgenommen
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});
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app.use('/api/', apiLimiter);
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// --------------------------------------------------------
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// API-Routen
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// --------------------------------------------------------
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app.use('/api/v1/auth', authRouter);
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// Alle weiteren API-Routen erfordern Authentifizierung
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// Alle weiteren API-Routen erfordern Authentifizierung + CSRF-Schutz
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app.use('/api/v1', requireAuth);
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app.use('/api/v1', csrfMiddleware);
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app.use('/api/v1/dashboard', require('./routes/dashboard'));
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app.use('/api/v1/tasks', require('./routes/tasks'));
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app.use('/api/v1/shopping', require('./routes/shopping'));
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