Workstream 3: Authentifizierung & Zugriffskontrolle (Phase 2)
Einheitliche Auth.js-v5-Sitzung (role + brigadeId) über Authentik-OIDC (Platform-Admins) und Credentials/argon2id (Wehr-Konten). Default-deny dreifach: Middleware + Layout-Guard im (app)-Segment + 401/403 in API-Routen und Guards in Server Actions. - src/lib/auth/roles.ts: Rollen als Single Source of Truth (aus DB-Enum abgeleitet) + canAccessBrigade-Wehr-Scoping. - src/lib/auth/password.ts: argon2id mit OWASP-Minima (Node-only). - src/lib/auth/rate-limit.ts: Sliding Window (5 Fehlversuche/15 min) auf login_attempts; greift im authorize-Callback (beide Login-Pfade). - src/auth.config.ts: Edge-sicher (kein @/db, kein argon2), Cookie-secure/ __Secure- umgebungsabhaengig (isHttps). - src/auth.ts: Credentials + DB-Lookup + Rate-Limit + Authentik-signIn-Gate. - src/middleware.ts: Allowlist inkl. api/auth, api/health, login, Statics. - src/lib/auth/guards.ts: requireSession/requireRole/requirePlatformAdmin/ requireWehrAdmin/requireOwnBrigade + API-Varianten (401/403 ohne Daten-Leak). - (app)/layout.tsx: requireSession() als erste Zeile aktiviert. - (auth)/login: page + login-form + Server Actions (Zod, Authentik + lokal). - api/auth/[...nextauth]/route.ts; api/health/route.ts (anonym 200). - scripts/seed-auth.ts: idempotenter Erst-Admin-Seed. - Typen: src/types/next-auth.d.ts. - Tests: Unit (password/roles/rate-limit) gruen; E2E-Gating-Spec geschrieben (deferred, kein Server/DB in Sandbox). Offline verifiziert: tsc --noEmit, next lint, next build, drizzle-kit check, vitest (13 Unit-Tests) je ohne Fehler; Edge-Safety-Grep ohne DB/argon2-Import. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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src/lib/auth/password.ts
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src/lib/auth/password.ts
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import { hash, verify } from "@node-rs/argon2";
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/**
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* argon2id mit OWASP-Minima (Querschnittsstandard 11):
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* type=argon2id (2), memoryCost >= 19456 KiB, timeCost >= 2, parallelism >= 1.
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*
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* WICHTIG: Dieses Modul NIE im Edge-/Middleware-Pfad importieren — @node-rs/argon2
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* ist ein natives Node-Modul.
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*/
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export const ARGON2_PARAMS = {
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type: 2 as const, // 2 === argon2id
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memoryCost: 19456,
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timeCost: 2,
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parallelism: 1,
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};
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export const hashPassword = (pw: string): Promise<string> =>
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hash(pw, ARGON2_PARAMS);
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export const verifyPassword = (h: string, pw: string): Promise<boolean> =>
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verify(h, pw, ARGON2_PARAMS);
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