Compare commits
| Author | SHA1 | Date | |
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bab582a38a |
@@ -1,87 +0,0 @@
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// Package flag implementiert Core LIC-02: einen Feature-Flag-Dienst mit
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// Strategien (global an/aus, Prozentsatz, Tenant-Zielgruppe) als Kernfunktion
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// des Core-Dienstes selbst — keine zusaetzliche Infrastruktur (Unleash-Server
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// + eigene DB), siehe "bewusst vermeiden" im LIC-02-Ticket.
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package flag
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import (
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"context"
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"errors"
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"fmt"
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"hash/fnv"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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var ErrNotFound = errors.New("flag: nicht gefunden")
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// Flag ist die zentrale Definition — Auswertung (Evaluate) ist bewusst davon
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// getrennt (Unleash-Prinzip: Flag-Verwaltung vs. Flag-Auswertung).
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type Flag struct {
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Key string
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Enabled bool
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RolloutPercentage int
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TargetTenantSlugs []string
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}
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// Store ist die Verwaltungsseite (Admin): Flags definieren/lesen.
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type Store struct {
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pool *pgxpool.Pool
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}
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func NewStore(pool *pgxpool.Pool) *Store {
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return &Store{pool: pool}
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}
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func (s *Store) Set(ctx context.Context, f Flag) error {
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if f.TargetTenantSlugs == nil {
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f.TargetTenantSlugs = []string{} // pgx uebertraegt ein nil-Slice sonst als SQL NULL statt leerem Array.
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}
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_, err := s.pool.Exec(ctx, `
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INSERT INTO feature_flags (key, enabled, rollout_percentage, target_tenant_slugs, updated_at)
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VALUES ($1, $2, $3, $4, now())
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ON CONFLICT (key) DO UPDATE SET
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enabled = $2, rollout_percentage = $3, target_tenant_slugs = $4, updated_at = now()
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`, f.Key, f.Enabled, f.RolloutPercentage, f.TargetTenantSlugs)
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if err != nil {
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return fmt.Errorf("flag speichern: %w", err)
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}
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return nil
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}
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func (s *Store) Get(ctx context.Context, key string) (Flag, error) {
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var f Flag
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row := s.pool.QueryRow(ctx, `
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SELECT key, enabled, rollout_percentage, target_tenant_slugs
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FROM feature_flags WHERE key = $1
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`, key)
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if err := row.Scan(&f.Key, &f.Enabled, &f.RolloutPercentage, &f.TargetTenantSlugs); err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return Flag{}, ErrNotFound
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}
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return Flag{}, fmt.Errorf("flag lesen: %w", err)
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}
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return f, nil
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}
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// evaluate wendet die Strategien in fester Reihenfolge an: globaler
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// An/Aus-Schalter zuerst, dann Tenant-Zielgruppe, dann Prozentsatz-Rollout.
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// Ein unbekannter/nicht getroffener Fall ergibt false — Fail-Safe-Default,
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// kein Feature wird versehentlich aktiv.
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func evaluate(f Flag, tenantSlug string) bool {
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if f.Enabled {
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return true
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}
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for _, target := range f.TargetTenantSlugs {
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if target == tenantSlug {
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return true
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}
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}
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if f.RolloutPercentage > 0 {
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h := fnv.New32a()
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_, _ = h.Write([]byte(f.Key + "|" + tenantSlug))
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return int(h.Sum32()%100) < f.RolloutPercentage
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}
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return false
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}
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@@ -1,87 +0,0 @@
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package flag
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import (
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"context"
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"log/slog"
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"sync"
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"time"
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)
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// DefaultCacheTTL ist die dokumentierte Cache-Invalidierungszeit
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// (Akzeptanzkriterium 2/3): eine Aenderung wirkt spaetestens nach dieser
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// Zeit auf allen Core-Instanzen, ohne dass ein Dienst neu gestartet werden
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// muss (Akzeptanzkriterium 3).
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const DefaultCacheTTL = 5 * time.Second
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type cacheEntry struct {
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flag Flag
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expiresAt time.Time
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}
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// Service ist die Auswertungsseite (SDK/Client-Analogon zu Unleash) mit
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// lokalem TTL-Cache. Bewusst getrennt von Store (Verwaltung).
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type Service struct {
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store *Store
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ttl time.Duration
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mu sync.RWMutex
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cache map[string]cacheEntry
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}
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func NewService(store *Store, ttl time.Duration) *Service {
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if ttl <= 0 {
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ttl = DefaultCacheTTL
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}
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return &Service{store: store, ttl: ttl, cache: make(map[string]cacheEntry)}
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}
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// IsEnabled wertet ein Flag fuer einen Tenant aus. Liefert IMMER einen
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// bool ohne Fehlerwert — ein nicht erreichbarer Flag-Dienst darf abhaengige
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// Aufrufer nicht zum Absturz bringen oder zu Fehlerbehandlungscode zwingen,
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// der leicht vergessen wird (Akzeptanzkriterium 3 / Pruefung 3: dokumentiertes
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// Fallback-Verhalten = false, ggf. aus dem zuletzt bekannten Zwischenspeicher).
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func (s *Service) IsEnabled(ctx context.Context, tenantSlug, key string) bool {
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f, ok := s.resolve(ctx, key)
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if !ok {
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return false
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}
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return evaluate(f, tenantSlug)
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}
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func (s *Service) resolve(ctx context.Context, key string) (Flag, bool) {
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s.mu.RLock()
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entry, exists := s.cache[key]
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fresh := exists && time.Now().Before(entry.expiresAt)
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s.mu.RUnlock()
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if fresh {
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return entry.flag, true
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}
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f, err := s.store.Get(ctx, key)
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if err != nil {
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if exists {
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slog.Warn("feature-flag-dienst nicht erreichbar, nutze zwischengespeicherten stand",
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"flag_key", key, "error", err)
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return entry.flag, true
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}
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slog.Warn("feature-flag-dienst nicht erreichbar, kein zwischengespeicherter stand vorhanden, fallback: deaktiviert",
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"flag_key", key, "error", err)
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return Flag{}, false
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}
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s.mu.Lock()
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s.cache[key] = cacheEntry{flag: f, expiresAt: time.Now().Add(s.ttl)}
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s.mu.Unlock()
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return f, true
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}
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// Invalidate erzwingt beim naechsten IsEnabled-Aufruf ein sofortiges Neuladen
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// aus der Datenbank statt auf den TTL-Ablauf zu warten — wird nach Store.Set
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// auf derselben Instanz aufgerufen, damit der Schreiber die eigene Aenderung
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// ohne Wartezeit sieht. Andere Core-Instanzen sehen sie spaetestens nach
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// DefaultCacheTTL (siehe Akzeptanzkriterium 3).
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func (s *Service) Invalidate(key string) {
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s.mu.Lock()
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delete(s.cache, key)
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s.mu.Unlock()
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}
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@@ -1,67 +0,0 @@
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package policy
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import (
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"context"
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"errors"
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"fmt"
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"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
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)
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// ErrDenied wird geliefert, wenn keine Regel role+permission erlaubt —
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// Default-Deny (Akzeptanzkriterium 2).
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var ErrDenied = errors.New("policy: zugriff verweigert")
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// Enforcer ist die EINE zentrale Entscheidungs- und Durchsetzungsschicht
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// (Akzeptanzkriterium 1). Repository-/Query-Code ruft ausschliesslich Guard
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// bzw. GuardTenantScoped auf, nie eine Rohabfrage direkt.
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type Enforcer struct {
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store *Store
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}
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func NewEnforcer(store *Store) *Enforcer {
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return &Enforcer{store: store}
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}
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// Authorize entscheidet erlaubt/verboten — unabhaengig von jeder konkreten
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// Query, rein anhand der deklarativen Regeln (Akzeptanzkriterium 2: fuer
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// sich genommen testbar, ohne Anwendungslogik).
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func (e *Enforcer) Authorize(ctx context.Context, role rbac.Role, perm rbac.Permission) error {
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allowed, err := e.store.IsAllowed(ctx, role, perm)
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if err != nil {
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return err
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}
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if !allowed {
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return fmt.Errorf("%w: rolle %q hat kein recht %q", ErrDenied, role, perm)
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}
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return nil
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}
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// Guard ist die zentrale Enforcement-Funktion (Akzeptanzkriterium 1): query
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// wird NUR aufgerufen, wenn Authorize zustimmt. Es gibt keinen Weg, query
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// ausserhalb von Guard aufzurufen und trotzdem den Aufrufer als autorisiert
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// zu behandeln — die Autorisierungsentscheidung steht immer VOR dem
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// Datenzugriff, nie danach.
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func Guard[T any](ctx context.Context, e *Enforcer, role rbac.Role, perm rbac.Permission, query func(ctx context.Context) (T, error)) (T, error) {
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var zero T
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if err := e.Authorize(ctx, role, perm); err != nil {
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return zero, err
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}
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return query(ctx)
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}
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// GuardTenantScoped erzwingt zusaetzlich, dass tenantSlug TEIL der Query-
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// Funktion selbst ist (Akzeptanzkriterium 3): der Funktionstyp verlangt,
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// dass die Repository-Implementierung tenantSlug in ihre eigene WHERE-
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// Klausel einbaut — ein nachgelagerter Filter auf dem Ergebnis (der
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// archivmail-Fehler aus "Bekannte Fehler vermeiden") ist mit dieser
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// Signatur nicht moeglich, da die Query-Funktion tenantSlug selbst
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// entgegennimmt und dafuer verantwortlich ist, statt ihn hinterher
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// anzuwenden.
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func GuardTenantScoped[T any](ctx context.Context, e *Enforcer, role rbac.Role, perm rbac.Permission, tenantSlug string, query func(ctx context.Context, tenantSlug string) (T, error)) (T, error) {
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var zero T
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if err := e.Authorize(ctx, role, perm); err != nil {
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return zero, err
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}
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return query(ctx, tenantSlug)
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}
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@@ -1,90 +0,0 @@
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package policy
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import (
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"context"
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"errors"
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"fmt"
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"github.com/jackc/pgx/v5"
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"gitea.perlbach24.de/scripte/nexarch/internal/flag"
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"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
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)
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// ModuleScope verknuepft eine Policy-Regel mit einem Feature-Flag: existiert
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// ein ModuleScope fuer (role, permission), gilt die Regel nur zusaetzlich zur
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// Grundberechtigung, wenn FlagKey fuer den jeweiligen Tenant aktiv ist
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// (Akzeptanzkriterium 1: Rechte folgen der Lizenz).
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type ModuleScope struct {
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Role rbac.Role
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Permission rbac.Permission
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Module string
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FlagKey string
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}
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// SetModuleScope verknuepft eine bestehende Policy-Regel mit einem Modul/
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// Feature-Flag. Die Regel selbst (Store.Grant) muss unabhaengig davon
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// existieren — ModuleScope schraenkt sie nur zusaetzlich ein.
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func (s *Store) SetModuleScope(ctx context.Context, role rbac.Role, perm rbac.Permission, module, flagKey string) error {
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_, err := s.pool.Exec(ctx, `
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INSERT INTO policy_module_scopes (role, permission, module, flag_key)
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VALUES ($1, $2, $3, $4)
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ON CONFLICT (role, permission) DO UPDATE SET module = $3, flag_key = $4
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`, string(role), string(perm), module, flagKey)
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if err != nil {
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return fmt.Errorf("modul-scope setzen: %w", err)
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}
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return nil
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}
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func (s *Store) GetModuleScope(ctx context.Context, role rbac.Role, perm rbac.Permission) (ModuleScope, bool, error) {
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var ms ModuleScope
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ms.Role, ms.Permission = role, perm
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err := s.pool.QueryRow(ctx, `
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SELECT module, flag_key FROM policy_module_scopes WHERE role = $1 AND permission = $2
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`, string(role), string(perm)).Scan(&ms.Module, &ms.FlagKey)
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return ModuleScope{}, false, nil
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}
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return ModuleScope{}, false, fmt.Errorf("modul-scope lesen: %w", err)
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}
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return ms, true, nil
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}
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// AuthorizeForTenant ist dieselbe zentrale Entscheidungsfunktion wie
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// Authorize (Akzeptanzkriterium 3: keine zweite Enforcement-Schicht),
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// erweitert um die Modul-Scoping-Pruefung: eine sonst passende Regel greift
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// NICHT, wenn das zugehoerige Modul fuer den Tenant nicht aktiviert ist
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// (Akzeptanzkriterium 1). Feature-Flag-Aenderungen wirken ohne Neustart
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// (Akzeptanzkriterium 2), da flag.Service dieselbe TTL-Cache-Instanz der
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// aufrufenden Core-Instanz nutzt.
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func (e *Enforcer) AuthorizeForTenant(ctx context.Context, flags *flag.Service, tenantSlug string, role rbac.Role, perm rbac.Permission) error {
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if err := e.Authorize(ctx, role, perm); err != nil {
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return err
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}
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scope, found, err := e.store.GetModuleScope(ctx, role, perm)
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if err != nil {
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return err
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}
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if !found {
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return nil // keine Modul-Bindung fuer diese Regel — Grundberechtigung reicht.
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}
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if !flags.IsEnabled(ctx, tenantSlug, scope.FlagKey) {
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return fmt.Errorf("%w: modul %q ist fuer diesen mandanten nicht aktiviert", ErrDenied, scope.Module)
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}
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return nil
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}
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||||||
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// GuardModuleScoped ist Guard mit zusaetzlicher Modul-Scoping-Pruefung —
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// dieselbe zentrale Enforcement-Funktion, kein paralleler Mechanismus
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// (Akzeptanzkriterium 3).
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func GuardModuleScoped[T any](ctx context.Context, e *Enforcer, flags *flag.Service, tenantSlug string, role rbac.Role, perm rbac.Permission, query func(ctx context.Context) (T, error)) (T, error) {
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var zero T
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if err := e.AuthorizeForTenant(ctx, flags, tenantSlug, role, perm); err != nil {
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return zero, err
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||||||
}
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return query(ctx)
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}
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@@ -1,170 +0,0 @@
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|||||||
package policy
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|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"errors"
|
|
||||||
"os"
|
|
||||||
"testing"
|
|
||||||
"time"
|
|
||||||
|
|
||||||
"github.com/jackc/pgx/v5/pgxpool"
|
|
||||||
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/flag"
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
|
|
||||||
)
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|
||||||
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|
||||||
func setupModuleScopeTest(t *testing.T) (*Store, *Enforcer, *flag.Store, *flag.Service, func()) {
|
|
||||||
t.Helper()
|
|
||||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
|
||||||
if adminDSN == "" {
|
|
||||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
|
||||||
}
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
pool, err := pgxpool.New(ctx, adminDSN)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("pool: %v", err)
|
|
||||||
}
|
|
||||||
if _, err := pool.Exec(ctx, `
|
|
||||||
CREATE TABLE IF NOT EXISTS policy_rules (
|
|
||||||
role TEXT NOT NULL, permission TEXT NOT NULL,
|
|
||||||
granted_by TEXT NOT NULL, granted_at TIMESTAMPTZ NOT NULL DEFAULT now(),
|
|
||||||
PRIMARY KEY (role, permission)
|
|
||||||
);
|
|
||||||
CREATE TABLE IF NOT EXISTS policy_rule_changes (
|
|
||||||
id UUID PRIMARY KEY DEFAULT gen_random_uuid(), role TEXT NOT NULL, permission TEXT NOT NULL,
|
|
||||||
action TEXT NOT NULL CHECK (action IN ('grant','revoke')), actor TEXT NOT NULL,
|
|
||||||
version INT NOT NULL, changed_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
|
||||||
);
|
|
||||||
CREATE TABLE IF NOT EXISTS policy_module_scopes (
|
|
||||||
role TEXT NOT NULL, permission TEXT NOT NULL, module TEXT NOT NULL, flag_key TEXT NOT NULL,
|
|
||||||
PRIMARY KEY (role, permission)
|
|
||||||
);
|
|
||||||
CREATE TABLE IF NOT EXISTS feature_flags (
|
|
||||||
key TEXT PRIMARY KEY, enabled BOOLEAN NOT NULL DEFAULT false,
|
|
||||||
rollout_percentage INT NOT NULL DEFAULT 0, target_tenant_slugs TEXT[] NOT NULL DEFAULT '{}',
|
|
||||||
updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
|
||||||
);
|
|
||||||
`); err != nil {
|
|
||||||
t.Fatalf("schema: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
store := NewStore(pool)
|
|
||||||
flagStore := flag.NewStore(pool)
|
|
||||||
flagService := flag.NewService(flagStore, 10*time.Millisecond) // kurze TTL fuer testbare invalidierung
|
|
||||||
|
|
||||||
cleanup := func() {
|
|
||||||
_, _ = pool.Exec(ctx, `DELETE FROM policy_module_scopes WHERE role LIKE 'test\_%' ESCAPE '\'`)
|
|
||||||
_, _ = pool.Exec(ctx, `DELETE FROM policy_rule_changes WHERE role LIKE 'test\_%' ESCAPE '\'`)
|
|
||||||
_, _ = pool.Exec(ctx, `DELETE FROM policy_rules WHERE role LIKE 'test\_%' ESCAPE '\'`)
|
|
||||||
_, _ = pool.Exec(ctx, `DELETE FROM feature_flags WHERE key LIKE 'test\_%' ESCAPE '\'`)
|
|
||||||
pool.Close()
|
|
||||||
}
|
|
||||||
return store, NewEnforcer(store), flagStore, flagService, cleanup
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 1 + Pruefung 1: Berechtigung fuer nicht aktiviertes
|
|
||||||
// Modul greift nicht, selbst bei sonst passender Rolle.
|
|
||||||
func TestAuthorizeForTenant_DeniesWhenModuleNotActivated(t *testing.T) {
|
|
||||||
store, enforcer, _, flagService, cleanup := setupModuleScopeTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
role := rbac.Role("test_dms_nutzer")
|
|
||||||
perm := rbac.Permission("test_dokumente_lesen")
|
|
||||||
if err := store.Grant(ctx, role, perm, "admin@example.com"); err != nil {
|
|
||||||
t.Fatalf("grant: %v", err)
|
|
||||||
}
|
|
||||||
if err := store.SetModuleScope(ctx, role, perm, "dms", "test_dms_enabled"); err != nil {
|
|
||||||
t.Fatalf("set module scope: %v", err)
|
|
||||||
}
|
|
||||||
// Flag existiert nicht/ist nicht gesetzt -> IsEnabled liefert false (Fail-Safe-Default).
|
|
||||||
|
|
||||||
queryCalled := false
|
|
||||||
_, err := GuardModuleScoped(ctx, enforcer, flagService, "acme", role, perm, func(ctx context.Context) (string, error) {
|
|
||||||
queryCalled = true
|
|
||||||
return "daten", nil
|
|
||||||
})
|
|
||||||
if !errors.Is(err, ErrDenied) {
|
|
||||||
t.Fatalf("erwartet ErrDenied bei deaktiviertem modul, habe %v", err)
|
|
||||||
}
|
|
||||||
if queryCalled {
|
|
||||||
t.Fatal("query haette bei deaktiviertem modul nicht aufgerufen werden duerfen")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 2 + Pruefung 2: Aktivierung des Moduls macht die
|
|
||||||
// Berechtigung ohne Neustart wirksam.
|
|
||||||
func TestAuthorizeForTenant_BecomesActiveWithoutRestart(t *testing.T) {
|
|
||||||
store, enforcer, flagStore, flagService, cleanup := setupModuleScopeTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
role := rbac.Role("test_dms_nutzer2")
|
|
||||||
perm := rbac.Permission("test_dokumente_schreiben")
|
|
||||||
if err := store.Grant(ctx, role, perm, "admin@example.com"); err != nil {
|
|
||||||
t.Fatalf("grant: %v", err)
|
|
||||||
}
|
|
||||||
if err := store.SetModuleScope(ctx, role, perm, "dms", "test_dms_enabled2"); err != nil {
|
|
||||||
t.Fatalf("set module scope: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
if err := enforcer.AuthorizeForTenant(ctx, flagService, "acme", role, perm); !errors.Is(err, ErrDenied) {
|
|
||||||
t.Fatalf("vor aktivierung: erwartet ErrDenied, habe %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
// Modul "im laufenden Betrieb" aktivieren — derselbe Prozess, kein Neustart.
|
|
||||||
if err := flagStore.Set(ctx, flag.Flag{Key: "test_dms_enabled2", Enabled: true}); err != nil {
|
|
||||||
t.Fatalf("flag setzen: %v", err)
|
|
||||||
}
|
|
||||||
time.Sleep(20 * time.Millisecond) // TTL abwarten statt Neustart
|
|
||||||
|
|
||||||
if err := enforcer.AuthorizeForTenant(ctx, flagService, "acme", role, perm); err != nil {
|
|
||||||
t.Fatalf("nach aktivierung sollte erlaubt sein: %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 3 + Pruefung 3: Zusammenspiel Modul-Scope + Rollenscope
|
|
||||||
// in Kombinationsfaellen.
|
|
||||||
func TestAuthorizeForTenant_CombinationsOfRoleAndModuleScope(t *testing.T) {
|
|
||||||
store, enforcer, flagStore, flagService, cleanup := setupModuleScopeTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
scopedRole := rbac.Role("test_scoped_rolle")
|
|
||||||
unscopedRole := rbac.Role("test_unscoped_rolle")
|
|
||||||
perm := rbac.Permission("test_kombiniert")
|
|
||||||
|
|
||||||
// Fall 1: Rolle ohne jegliche Regel -> verboten, unabhaengig vom Flag.
|
|
||||||
if err := enforcer.AuthorizeForTenant(ctx, flagService, "acme", rbac.Role("test_unbekannt"), perm); !errors.Is(err, ErrDenied) {
|
|
||||||
t.Fatalf("fall 1: erwartet ErrDenied (keine regel), habe %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
// Fall 2: Regel vorhanden, KEIN Modul-Scope -> immer erlaubt (Grundrecht ohne Lizenzbindung).
|
|
||||||
if err := store.Grant(ctx, unscopedRole, perm, "admin@example.com"); err != nil {
|
|
||||||
t.Fatalf("grant unscoped: %v", err)
|
|
||||||
}
|
|
||||||
if err := enforcer.AuthorizeForTenant(ctx, flagService, "acme", unscopedRole, perm); err != nil {
|
|
||||||
t.Fatalf("fall 2: erwartet erlaubt ohne modul-scope, habe %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
// Fall 3: Regel + Modul-Scope, Flag aus -> verboten.
|
|
||||||
if err := store.Grant(ctx, scopedRole, perm, "admin@example.com"); err != nil {
|
|
||||||
t.Fatalf("grant scoped: %v", err)
|
|
||||||
}
|
|
||||||
if err := store.SetModuleScope(ctx, scopedRole, perm, "mail", "test_mail_enabled"); err != nil {
|
|
||||||
t.Fatalf("set module scope: %v", err)
|
|
||||||
}
|
|
||||||
if err := enforcer.AuthorizeForTenant(ctx, flagService, "acme", scopedRole, perm); !errors.Is(err, ErrDenied) {
|
|
||||||
t.Fatalf("fall 3: erwartet ErrDenied (modul aus), habe %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
// Fall 4: Regel + Modul-Scope, Flag an -> erlaubt.
|
|
||||||
if err := flagStore.Set(ctx, flag.Flag{Key: "test_mail_enabled", Enabled: true}); err != nil {
|
|
||||||
t.Fatalf("flag setzen: %v", err)
|
|
||||||
}
|
|
||||||
time.Sleep(20 * time.Millisecond)
|
|
||||||
if err := enforcer.AuthorizeForTenant(ctx, flagService, "acme", scopedRole, perm); err != nil {
|
|
||||||
t.Fatalf("fall 4: erwartet erlaubt (modul an), habe %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,187 +0,0 @@
|
|||||||
package policy
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"errors"
|
|
||||||
"os"
|
|
||||||
"testing"
|
|
||||||
|
|
||||||
"github.com/jackc/pgx/v5/pgxpool"
|
|
||||||
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
|
|
||||||
)
|
|
||||||
|
|
||||||
func setupTest(t *testing.T) (*Store, *Enforcer, func()) {
|
|
||||||
t.Helper()
|
|
||||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
|
||||||
if adminDSN == "" {
|
|
||||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
|
||||||
}
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
pool, err := pgxpool.New(ctx, adminDSN)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("pool: %v", err)
|
|
||||||
}
|
|
||||||
if _, err := pool.Exec(ctx, `
|
|
||||||
CREATE TABLE IF NOT EXISTS policy_rules (
|
|
||||||
role TEXT NOT NULL, permission TEXT NOT NULL,
|
|
||||||
granted_by TEXT NOT NULL, granted_at TIMESTAMPTZ NOT NULL DEFAULT now(),
|
|
||||||
PRIMARY KEY (role, permission)
|
|
||||||
);
|
|
||||||
CREATE TABLE IF NOT EXISTS policy_rule_changes (
|
|
||||||
id UUID PRIMARY KEY DEFAULT gen_random_uuid(), role TEXT NOT NULL, permission TEXT NOT NULL,
|
|
||||||
action TEXT NOT NULL CHECK (action IN ('grant','revoke')), actor TEXT NOT NULL,
|
|
||||||
version INT NOT NULL, changed_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
|
||||||
);
|
|
||||||
`); err != nil {
|
|
||||||
t.Fatalf("schema: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
store := NewStore(pool)
|
|
||||||
cleanup := func() {
|
|
||||||
_, _ = pool.Exec(ctx, `DELETE FROM policy_rule_changes WHERE role LIKE 'test\_%' ESCAPE '\'`)
|
|
||||||
_, _ = pool.Exec(ctx, `DELETE FROM policy_rules WHERE role LIKE 'test\_%' ESCAPE '\'`)
|
|
||||||
pool.Close()
|
|
||||||
}
|
|
||||||
return store, NewEnforcer(store), cleanup
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 2 + Pruefung 2: Anfrage ohne passende Policy wird
|
|
||||||
// zuverlaessig abgewiesen (Default-Deny), nicht standardmaessig erlaubt.
|
|
||||||
func TestAuthorize_DefaultDeny(t *testing.T) {
|
|
||||||
_, enforcer, cleanup := setupTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
err := enforcer.Authorize(ctx, rbac.Role("test_niemand"), rbac.Permission("test_irgendwas"))
|
|
||||||
if !errors.Is(err, ErrDenied) {
|
|
||||||
t.Fatalf("erwartet ErrDenied ohne konfigurierte regel, habe %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 1 + Pruefung 1: Guard ruft query NUR bei Autorisierung
|
|
||||||
// auf — kein Datenzugriffs-Pfad umgeht die Enforcement-Schicht.
|
|
||||||
func TestGuard_NeverCallsQueryWithoutAuthorization(t *testing.T) {
|
|
||||||
store, enforcer, cleanup := setupTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
role := rbac.Role("test_rolle_guard")
|
|
||||||
perm := rbac.Permission("test_lesen")
|
|
||||||
|
|
||||||
queryCalled := false
|
|
||||||
_, err := Guard(ctx, enforcer, role, perm, func(ctx context.Context) (string, error) {
|
|
||||||
queryCalled = true
|
|
||||||
return "geheime-daten", nil
|
|
||||||
})
|
|
||||||
if !errors.Is(err, ErrDenied) {
|
|
||||||
t.Fatalf("erwartet ErrDenied, habe %v", err)
|
|
||||||
}
|
|
||||||
if queryCalled {
|
|
||||||
t.Fatal("query haette bei fehlender autorisierung NICHT aufgerufen werden duerfen")
|
|
||||||
}
|
|
||||||
|
|
||||||
if err := store.Grant(ctx, role, perm, "admin@example.com"); err != nil {
|
|
||||||
t.Fatalf("grant: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
result, err := Guard(ctx, enforcer, role, perm, func(ctx context.Context) (string, error) {
|
|
||||||
queryCalled = true
|
|
||||||
return "geheime-daten", nil
|
|
||||||
})
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("guard nach grant: %v", err)
|
|
||||||
}
|
|
||||||
if !queryCalled || result != "geheime-daten" {
|
|
||||||
t.Fatalf("erwartet query-aufruf mit ergebnis nach autorisierung, habe queryCalled=%v result=%q", queryCalled, result)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 2 + 3: Policy-Entscheidungen deklarativ und unabhaengig
|
|
||||||
// von Anwendungslogik testbar — Regelwechsel wirkt ohne Codeaenderung,
|
|
||||||
// Historie ist versioniert nachvollziehbar.
|
|
||||||
func TestGrantRevoke_ChangesBehaviorWithoutCodeChange(t *testing.T) {
|
|
||||||
store, enforcer, cleanup := setupTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
role := rbac.Role("test_rolle_history")
|
|
||||||
perm := rbac.Permission("test_schreiben")
|
|
||||||
|
|
||||||
allowed, err := store.IsAllowed(ctx, role, perm)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("is allowed (vorher): %v", err)
|
|
||||||
}
|
|
||||||
if allowed {
|
|
||||||
t.Fatal("erwartet nicht erlaubt vor grant")
|
|
||||||
}
|
|
||||||
|
|
||||||
if err := store.Grant(ctx, role, perm, "admin@example.com"); err != nil {
|
|
||||||
t.Fatalf("grant: %v", err)
|
|
||||||
}
|
|
||||||
if err := enforcer.Authorize(ctx, role, perm); err != nil {
|
|
||||||
t.Fatalf("authorize nach grant sollte erlauben: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
if err := store.Revoke(ctx, role, perm, "admin@example.com"); err != nil {
|
|
||||||
t.Fatalf("revoke: %v", err)
|
|
||||||
}
|
|
||||||
if err := enforcer.Authorize(ctx, role, perm); !errors.Is(err, ErrDenied) {
|
|
||||||
t.Fatalf("authorize nach revoke sollte verweigern, habe %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
history, err := store.History(ctx, role, perm)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("history: %v", err)
|
|
||||||
}
|
|
||||||
if len(history) != 2 {
|
|
||||||
t.Fatalf("erwartet 2 historieneintraege (grant, revoke), habe %d", len(history))
|
|
||||||
}
|
|
||||||
if history[0].Action != "grant" || history[0].Version != 1 {
|
|
||||||
t.Fatalf("history[0] unerwartet: %+v", history[0])
|
|
||||||
}
|
|
||||||
if history[1].Action != "revoke" || history[1].Version != 2 {
|
|
||||||
t.Fatalf("history[1] unerwartet: %+v", history[1])
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 3 + Pruefung 3 (Tenant-Scoping): GuardTenantScoped
|
|
||||||
// zwingt tenantSlug in die Query-Funktion selbst, kein Post-Filter moeglich.
|
|
||||||
func TestGuardTenantScoped_IsolatesDataBetweenTenants(t *testing.T) {
|
|
||||||
_, enforcer, cleanup := setupTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
// Simuliertes Repository: die WHERE-Klausel (hier: Map-Lookup) liegt
|
|
||||||
// INNERHALB der Query-Funktion, nicht als nachgelagerter Filter.
|
|
||||||
data := map[string][]string{
|
|
||||||
"acme": {"dokument-a1", "dokument-a2"},
|
|
||||||
"globex": {"dokument-b1"},
|
|
||||||
}
|
|
||||||
repoQuery := func(ctx context.Context, tenantSlug string) ([]string, error) {
|
|
||||||
return data[tenantSlug], nil
|
|
||||||
}
|
|
||||||
|
|
||||||
role := rbac.Role("test_tenant_rolle")
|
|
||||||
perm := rbac.Permission("test_dokumente_lesen")
|
|
||||||
if err := enforcer.store.Grant(ctx, role, perm, "admin@example.com"); err != nil {
|
|
||||||
t.Fatalf("grant: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
gotAcme, err := GuardTenantScoped(ctx, enforcer, role, perm, "acme", repoQuery)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("guard tenant scoped (acme): %v", err)
|
|
||||||
}
|
|
||||||
if len(gotAcme) != 2 {
|
|
||||||
t.Fatalf("erwartet 2 dokumente fuer acme, habe %d", len(gotAcme))
|
|
||||||
}
|
|
||||||
|
|
||||||
gotGlobex, err := GuardTenantScoped(ctx, enforcer, role, perm, "globex", repoQuery)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("guard tenant scoped (globex): %v", err)
|
|
||||||
}
|
|
||||||
if len(gotGlobex) != 1 {
|
|
||||||
t.Fatalf("erwartet 1 dokument fuer globex, habe %d", len(gotGlobex))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,124 +0,0 @@
|
|||||||
// Package policy implementiert Core RBAC-02: die zentrale Policy-
|
|
||||||
// Entscheidungs- und Durchsetzungsschicht. Regeln liegen deklarativ in der
|
|
||||||
// Datenbank (Casbin-Prinzip: Policy als Modell+Regeln getrennt vom Code),
|
|
||||||
// versioniert und auditierbar — anders als Casbin-Dateien im Dateisystem
|
|
||||||
// (siehe "bewusst vermeiden" im Ticket).
|
|
||||||
package policy
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"fmt"
|
|
||||||
|
|
||||||
"github.com/jackc/pgx/v5/pgxpool"
|
|
||||||
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
|
|
||||||
)
|
|
||||||
|
|
||||||
// Rule ist eine gewaehrte Regel: role darf permission.
|
|
||||||
type Rule struct {
|
|
||||||
Role rbac.Role
|
|
||||||
Permission rbac.Permission
|
|
||||||
}
|
|
||||||
|
|
||||||
// RuleChange ist ein Eintrag der Aenderungshistorie (Akzeptanzkriterium 3).
|
|
||||||
type RuleChange struct {
|
|
||||||
Role rbac.Role
|
|
||||||
Permission rbac.Permission
|
|
||||||
Action string // "grant" oder "revoke"
|
|
||||||
Actor string
|
|
||||||
Version int
|
|
||||||
}
|
|
||||||
|
|
||||||
// Store verwaltet den deklarativen Regelsatz. IsAllowed schaut NUR in die
|
|
||||||
// Datenbank — es gibt keinen hartcodierten Go-Fallback, ein Regelwechsel
|
|
||||||
// wirkt sich ohne Codeaenderung sofort aus (Akzeptanzkriterium 2 / 3).
|
|
||||||
type Store struct {
|
|
||||||
pool *pgxpool.Pool
|
|
||||||
}
|
|
||||||
|
|
||||||
func NewStore(pool *pgxpool.Pool) *Store {
|
|
||||||
return &Store{pool: pool}
|
|
||||||
}
|
|
||||||
|
|
||||||
// IsAllowed prueft, ob role das Recht permission besitzt. Default-Deny:
|
|
||||||
// existiert keine passende Regel, ist der Zugriff verboten
|
|
||||||
// (Akzeptanzkriterium 2 / Pruefung 2) — es gibt keinen impliziten
|
|
||||||
// "erlaubt, wenn nichts anderes gesagt"-Pfad.
|
|
||||||
func (s *Store) IsAllowed(ctx context.Context, role rbac.Role, perm rbac.Permission) (bool, error) {
|
|
||||||
var exists bool
|
|
||||||
err := s.pool.QueryRow(ctx, `
|
|
||||||
SELECT EXISTS(SELECT 1 FROM policy_rules WHERE role = $1 AND permission = $2)
|
|
||||||
`, string(role), string(perm)).Scan(&exists)
|
|
||||||
if err != nil {
|
|
||||||
return false, fmt.Errorf("policy pruefen: %w", err)
|
|
||||||
}
|
|
||||||
return exists, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// Grant gewaehrt role das Recht permission — deklarativ, ohne Codeaenderung
|
|
||||||
// wirksam. actor wird fuer die Aenderungshistorie festgehalten.
|
|
||||||
func (s *Store) Grant(ctx context.Context, role rbac.Role, perm rbac.Permission, actor string) error {
|
|
||||||
return s.change(ctx, role, perm, "grant", actor, `
|
|
||||||
INSERT INTO policy_rules (role, permission, granted_by, granted_at)
|
|
||||||
VALUES ($1, $2, $3, now())
|
|
||||||
ON CONFLICT (role, permission) DO UPDATE SET granted_by = $3, granted_at = now()
|
|
||||||
`, string(role), string(perm), actor)
|
|
||||||
}
|
|
||||||
|
|
||||||
// Revoke entzieht role das Recht permission.
|
|
||||||
func (s *Store) Revoke(ctx context.Context, role rbac.Role, perm rbac.Permission, actor string) error {
|
|
||||||
return s.change(ctx, role, perm, "revoke", actor, `
|
|
||||||
DELETE FROM policy_rules WHERE role = $1 AND permission = $2
|
|
||||||
`, string(role), string(perm))
|
|
||||||
}
|
|
||||||
|
|
||||||
func (s *Store) change(ctx context.Context, role rbac.Role, perm rbac.Permission, action, actor, sql string, args ...any) error {
|
|
||||||
tx, err := s.pool.Begin(ctx)
|
|
||||||
if err != nil {
|
|
||||||
return fmt.Errorf("transaktion starten: %w", err)
|
|
||||||
}
|
|
||||||
defer func() { _ = tx.Rollback(ctx) }()
|
|
||||||
|
|
||||||
if _, err := tx.Exec(ctx, sql, args...); err != nil {
|
|
||||||
return fmt.Errorf("regel aendern: %w", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
var version int
|
|
||||||
if err := tx.QueryRow(ctx, `
|
|
||||||
SELECT COALESCE(MAX(version), 0) + 1 FROM policy_rule_changes WHERE role = $1 AND permission = $2
|
|
||||||
`, string(role), string(perm)).Scan(&version); err != nil {
|
|
||||||
return fmt.Errorf("naechste version ermitteln: %w", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
if _, err := tx.Exec(ctx, `
|
|
||||||
INSERT INTO policy_rule_changes (role, permission, action, actor, version, changed_at)
|
|
||||||
VALUES ($1, $2, $3, $4, $5, now())
|
|
||||||
`, string(role), string(perm), action, actor, version); err != nil {
|
|
||||||
return fmt.Errorf("historie schreiben: %w", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
return tx.Commit(ctx)
|
|
||||||
}
|
|
||||||
|
|
||||||
// History liefert die vollstaendige, versionierte Aenderungshistorie einer
|
|
||||||
// Regel (Akzeptanzkriterium 3).
|
|
||||||
func (s *Store) History(ctx context.Context, role rbac.Role, perm rbac.Permission) ([]RuleChange, error) {
|
|
||||||
rows, err := s.pool.Query(ctx, `
|
|
||||||
SELECT action, actor, version FROM policy_rule_changes
|
|
||||||
WHERE role = $1 AND permission = $2 ORDER BY version
|
|
||||||
`, string(role), string(perm))
|
|
||||||
if err != nil {
|
|
||||||
return nil, fmt.Errorf("historie abfragen: %w", err)
|
|
||||||
}
|
|
||||||
defer rows.Close()
|
|
||||||
|
|
||||||
var out []RuleChange
|
|
||||||
for rows.Next() {
|
|
||||||
c := RuleChange{Role: role, Permission: perm}
|
|
||||||
if err := rows.Scan(&c.Action, &c.Actor, &c.Version); err != nil {
|
|
||||||
return nil, fmt.Errorf("historieneintrag lesen: %w", err)
|
|
||||||
}
|
|
||||||
out = append(out, c)
|
|
||||||
}
|
|
||||||
return out, rows.Err()
|
|
||||||
}
|
|
||||||
@@ -0,0 +1,159 @@
|
|||||||
|
package rbac
|
||||||
|
|
||||||
|
import (
|
||||||
|
"context"
|
||||||
|
"errors"
|
||||||
|
"fmt"
|
||||||
|
|
||||||
|
"github.com/jackc/pgx/v5/pgxpool"
|
||||||
|
)
|
||||||
|
|
||||||
|
var ErrGroupNotFound = errors.New("rbac: gruppe nicht gefunden")
|
||||||
|
|
||||||
|
type Group struct {
|
||||||
|
ID string
|
||||||
|
Name string
|
||||||
|
Role Role // leer, wenn der Gruppe noch keine Rolle zugewiesen wurde
|
||||||
|
}
|
||||||
|
|
||||||
|
// GroupStore verwaltet Gruppen/Abteilungen innerhalb GENAU EINER Tenant-
|
||||||
|
// Datenbank (Modell C, wie Store fuer direkte Rollenzuweisungen) —
|
||||||
|
// Akzeptanzkriterium 3 (tenant-isoliert) ist damit strukturell erfuellt.
|
||||||
|
type GroupStore struct {
|
||||||
|
pool *pgxpool.Pool
|
||||||
|
}
|
||||||
|
|
||||||
|
func NewGroupStore(pool *pgxpool.Pool) *GroupStore {
|
||||||
|
return &GroupStore{pool: pool}
|
||||||
|
}
|
||||||
|
|
||||||
|
// CreateGroup legt eine neue, noch rollenlose Gruppe an (Akzeptanzkriterium 1).
|
||||||
|
func (s *GroupStore) CreateGroup(ctx context.Context, name string) (Group, error) {
|
||||||
|
if name == "" {
|
||||||
|
return Group{}, errors.New("rbac: gruppenname darf nicht leer sein")
|
||||||
|
}
|
||||||
|
var g Group
|
||||||
|
g.Name = name
|
||||||
|
if err := s.pool.QueryRow(ctx, `
|
||||||
|
INSERT INTO groups (name) VALUES ($1) RETURNING id
|
||||||
|
`, name).Scan(&g.ID); err != nil {
|
||||||
|
return Group{}, fmt.Errorf("gruppe anlegen: %w", err)
|
||||||
|
}
|
||||||
|
return g, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// SetGroupRole weist der Gruppe eine Rolle zu (Akzeptanzkriterium 2) — nur
|
||||||
|
// 'user'/'tenant_admin' sind auf Gruppenebene zuweisbar, dieselbe erlaubte
|
||||||
|
// Matrix wie in Store.Assign (superadmin bleibt mandantenuebergreifend und
|
||||||
|
// ausserhalb jeder Gruppenlogik).
|
||||||
|
func (s *GroupStore) SetGroupRole(ctx context.Context, groupID string, role Role) error {
|
||||||
|
if !assignableRoles[role] {
|
||||||
|
return ErrRoleNotAssignableInTenantScope
|
||||||
|
}
|
||||||
|
tag, err := s.pool.Exec(ctx, `UPDATE groups SET role = $2 WHERE id = $1`, groupID, string(role))
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("gruppenrolle setzen: %w", err)
|
||||||
|
}
|
||||||
|
if tag.RowsAffected() == 0 {
|
||||||
|
return ErrGroupNotFound
|
||||||
|
}
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// AddMember nimmt einen Benutzer in die Gruppe auf.
|
||||||
|
func (s *GroupStore) AddMember(ctx context.Context, groupID, userID string) error {
|
||||||
|
_, err := s.pool.Exec(ctx, `
|
||||||
|
INSERT INTO group_members (group_id, user_id) VALUES ($1, $2)
|
||||||
|
ON CONFLICT (group_id, user_id) DO NOTHING
|
||||||
|
`, groupID, userID)
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("mitglied hinzufuegen: %w", err)
|
||||||
|
}
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// RemoveMember entfernt einen Benutzer aus der Gruppe — die gruppenbasierten
|
||||||
|
// Rechte entfallen fuer ihn sofort (Akzeptanzkriterium 3 / Pruefung 2), da
|
||||||
|
// EffectivePermissionsForUser bei jedem Aufruf neu berechnet wird, nicht
|
||||||
|
// zwischengespeichert.
|
||||||
|
func (s *GroupStore) RemoveMember(ctx context.Context, groupID, userID string) error {
|
||||||
|
_, err := s.pool.Exec(ctx, `DELETE FROM group_members WHERE group_id = $1 AND user_id = $2`, groupID, userID)
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("mitglied entfernen: %w", err)
|
||||||
|
}
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// DeleteGroup loescht die Gruppe — ON DELETE CASCADE entfernt die
|
||||||
|
// Mitgliedschaften mit, Benutzerkonten selbst bleiben unberuehrt
|
||||||
|
// (Akzeptanzkriterium 3).
|
||||||
|
func (s *GroupStore) DeleteGroup(ctx context.Context, groupID string) error {
|
||||||
|
_, err := s.pool.Exec(ctx, `DELETE FROM groups WHERE id = $1`, groupID)
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("gruppe loeschen: %w", err)
|
||||||
|
}
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// RolesForUser liefert alle Rollen, die einem Benutzer ueber seine
|
||||||
|
// Gruppenmitgliedschaften zufallen (Akzeptanzkriterium 2: wirkt auf alle
|
||||||
|
// Mitglieder). Eine Gruppe ohne zugewiesene Rolle traegt nichts bei.
|
||||||
|
func (s *GroupStore) RolesForUser(ctx context.Context, userID string) ([]Role, error) {
|
||||||
|
rows, err := s.pool.Query(ctx, `
|
||||||
|
SELECT g.role FROM groups g
|
||||||
|
JOIN group_members gm ON gm.group_id = g.id
|
||||||
|
WHERE gm.user_id = $1 AND g.role IS NOT NULL
|
||||||
|
`, userID)
|
||||||
|
if err != nil {
|
||||||
|
return nil, fmt.Errorf("gruppenrollen abfragen: %w", err)
|
||||||
|
}
|
||||||
|
defer rows.Close()
|
||||||
|
|
||||||
|
var out []Role
|
||||||
|
for rows.Next() {
|
||||||
|
var r string
|
||||||
|
if err := rows.Scan(&r); err != nil {
|
||||||
|
return nil, fmt.Errorf("gruppenrolle lesen: %w", err)
|
||||||
|
}
|
||||||
|
out = append(out, Role(r))
|
||||||
|
}
|
||||||
|
return out, rows.Err()
|
||||||
|
}
|
||||||
|
|
||||||
|
// EffectivePermissionsForUser vereinigt die Rechte aus der direkten
|
||||||
|
// Rollenzuweisung (Store, RBAC-01) mit allen Rechten aus Gruppenrollen —
|
||||||
|
// jede einzelne Rolle wird ueber die bestehende Hierarchie (EffectivePermissions)
|
||||||
|
// aufgeloest, das Ergebnis dedupliziert.
|
||||||
|
func (s *GroupStore) EffectivePermissionsForUser(ctx context.Context, directStore *Store, userID string) ([]Permission, error) {
|
||||||
|
seen := make(map[Permission]bool)
|
||||||
|
var out []Permission
|
||||||
|
|
||||||
|
add := func(role Role) {
|
||||||
|
for _, p := range EffectivePermissions(role) {
|
||||||
|
if !seen[p] {
|
||||||
|
seen[p] = true
|
||||||
|
out = append(out, p)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if directStore != nil {
|
||||||
|
assignment, err := directStore.Get(ctx, userID)
|
||||||
|
if err != nil && !errors.Is(err, ErrNotFound) {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
if err == nil {
|
||||||
|
add(assignment.Role)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
groupRoles, err := s.RolesForUser(ctx, userID)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
for _, r := range groupRoles {
|
||||||
|
add(r)
|
||||||
|
}
|
||||||
|
|
||||||
|
return out, nil
|
||||||
|
}
|
||||||
@@ -0,0 +1,209 @@
|
|||||||
|
package rbac
|
||||||
|
|
||||||
|
import (
|
||||||
|
"context"
|
||||||
|
"fmt"
|
||||||
|
"os"
|
||||||
|
"strings"
|
||||||
|
"testing"
|
||||||
|
|
||||||
|
"github.com/jackc/pgx/v5/pgxpool"
|
||||||
|
|
||||||
|
"gitea.perlbach24.de/scripte/nexarch/internal/user"
|
||||||
|
)
|
||||||
|
|
||||||
|
const groupSchema = `
|
||||||
|
CREATE TABLE IF NOT EXISTS users (
|
||||||
|
id UUID PRIMARY KEY DEFAULT gen_random_uuid(), email TEXT NOT NULL UNIQUE, name TEXT NOT NULL,
|
||||||
|
status TEXT NOT NULL DEFAULT 'active', created_at TIMESTAMPTZ NOT NULL DEFAULT now(), updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||||
|
);
|
||||||
|
CREATE TABLE IF NOT EXISTS role_assignments (
|
||||||
|
user_id UUID PRIMARY KEY REFERENCES users(id), role TEXT NOT NULL CHECK (role IN ('user','tenant_admin')),
|
||||||
|
granted_by TEXT NOT NULL, granted_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||||
|
);
|
||||||
|
CREATE TABLE IF NOT EXISTS groups (
|
||||||
|
id UUID PRIMARY KEY DEFAULT gen_random_uuid(), name TEXT NOT NULL, role TEXT CHECK (role IN ('user','tenant_admin')),
|
||||||
|
created_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||||
|
);
|
||||||
|
CREATE TABLE IF NOT EXISTS group_members (
|
||||||
|
group_id UUID NOT NULL REFERENCES groups(id) ON DELETE CASCADE, user_id UUID NOT NULL REFERENCES users(id),
|
||||||
|
added_at TIMESTAMPTZ NOT NULL DEFAULT now(), PRIMARY KEY (group_id, user_id)
|
||||||
|
);`
|
||||||
|
|
||||||
|
func setupGroupTestDB(t *testing.T, dbName string) *pgxpool.Pool {
|
||||||
|
t.Helper()
|
||||||
|
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
||||||
|
if adminDSN == "" {
|
||||||
|
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
||||||
|
}
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
adminPool, err := pgxpool.New(ctx, adminDSN)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("admin pool: %v", err)
|
||||||
|
}
|
||||||
|
_, _ = adminPool.Exec(ctx, fmt.Sprintf(`DROP DATABASE IF EXISTS %q`, dbName))
|
||||||
|
if _, err := adminPool.Exec(ctx, fmt.Sprintf(`CREATE DATABASE %q`, dbName)); err != nil {
|
||||||
|
t.Fatalf("testdatenbank anlegen: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
dsn := strings.Replace(adminDSN, "/postgres?", "/"+dbName+"?", 1)
|
||||||
|
pool, err := pgxpool.New(ctx, dsn)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("connect testdatenbank: %v", err)
|
||||||
|
}
|
||||||
|
if _, err := pool.Exec(ctx, groupSchema); err != nil {
|
||||||
|
t.Fatalf("schema anwenden: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
t.Cleanup(func() {
|
||||||
|
pool.Close()
|
||||||
|
_, _ = adminPool.Exec(ctx, fmt.Sprintf(`DROP DATABASE IF EXISTS %q`, dbName))
|
||||||
|
adminPool.Close()
|
||||||
|
})
|
||||||
|
return pool
|
||||||
|
}
|
||||||
|
|
||||||
|
func createTestUser(t *testing.T, pool *pgxpool.Pool, email string) string {
|
||||||
|
t.Helper()
|
||||||
|
u, err := user.NewTenantUserStore(pool).Create(context.Background(), email, "Test")
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("testuser anlegen: %v", err)
|
||||||
|
}
|
||||||
|
return u.ID
|
||||||
|
}
|
||||||
|
|
||||||
|
// Akzeptanzkriterium 1: Gruppen anlegen und Benutzer zuordnen.
|
||||||
|
func TestGroup_CreateAndAddMember(t *testing.T) {
|
||||||
|
pool := setupGroupTestDB(t, "test_rbac03_create")
|
||||||
|
gs := NewGroupStore(pool)
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
g, err := gs.CreateGroup(ctx, "Buchhaltung")
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("create group: %v", err)
|
||||||
|
}
|
||||||
|
userID := createTestUser(t, pool, "alice@example.com")
|
||||||
|
|
||||||
|
if err := gs.AddMember(ctx, g.ID, userID); err != nil {
|
||||||
|
t.Fatalf("add member: %v", err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Akzeptanzkriterium 2 + Pruefung 1: Gruppenrolle wirkt auf ALLE aktuellen
|
||||||
|
// Mitglieder.
|
||||||
|
func TestGroup_RoleAffectsAllCurrentMembers(t *testing.T) {
|
||||||
|
pool := setupGroupTestDB(t, "test_rbac03_roleall")
|
||||||
|
gs := NewGroupStore(pool)
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
g, err := gs.CreateGroup(ctx, "Admins")
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("create group: %v", err)
|
||||||
|
}
|
||||||
|
if err := gs.SetGroupRole(ctx, g.ID, RoleTenantAdmin); err != nil {
|
||||||
|
t.Fatalf("set group role: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
alice := createTestUser(t, pool, "alice@example.com")
|
||||||
|
bob := createTestUser(t, pool, "bob@example.com")
|
||||||
|
if err := gs.AddMember(ctx, g.ID, alice); err != nil {
|
||||||
|
t.Fatalf("add alice: %v", err)
|
||||||
|
}
|
||||||
|
if err := gs.AddMember(ctx, g.ID, bob); err != nil {
|
||||||
|
t.Fatalf("add bob: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
for _, uid := range []string{alice, bob} {
|
||||||
|
perms, err := gs.EffectivePermissionsForUser(ctx, nil, uid)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("effective permissions fuer %s: %v", uid, err)
|
||||||
|
}
|
||||||
|
if !contains(perms, PermManageUsers) {
|
||||||
|
t.Fatalf("mitglied %s sollte tenant_admin-rechte ueber die gruppe haben, habe %v", uid, perms)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Akzeptanzkriterium 3 + Pruefung 2: Entfernen aus der Gruppe entzieht die
|
||||||
|
// gruppenbasierten Rechte sofort.
|
||||||
|
func TestGroup_RemoveMemberRevokesRightsImmediately(t *testing.T) {
|
||||||
|
pool := setupGroupTestDB(t, "test_rbac03_remove")
|
||||||
|
gs := NewGroupStore(pool)
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
g, _ := gs.CreateGroup(ctx, "Admins")
|
||||||
|
_ = gs.SetGroupRole(ctx, g.ID, RoleTenantAdmin)
|
||||||
|
userID := createTestUser(t, pool, "alice@example.com")
|
||||||
|
_ = gs.AddMember(ctx, g.ID, userID)
|
||||||
|
|
||||||
|
perms, err := gs.EffectivePermissionsForUser(ctx, nil, userID)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("effective permissions (mitglied): %v", err)
|
||||||
|
}
|
||||||
|
if !contains(perms, PermManageUsers) {
|
||||||
|
t.Fatal("erwartet tenant_admin-rechte als mitglied")
|
||||||
|
}
|
||||||
|
|
||||||
|
if err := gs.RemoveMember(ctx, g.ID, userID); err != nil {
|
||||||
|
t.Fatalf("remove member: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
perms, err = gs.EffectivePermissionsForUser(ctx, nil, userID)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("effective permissions (entfernt): %v", err)
|
||||||
|
}
|
||||||
|
if contains(perms, PermManageUsers) {
|
||||||
|
t.Fatal("erwartet KEINE tenant_admin-rechte nach entfernen aus der gruppe")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Akzeptanzkriterium 3: Loeschen einer Gruppe entzieht Rechte sauber, ohne
|
||||||
|
// das Benutzerkonto zu loeschen.
|
||||||
|
func TestGroup_DeleteGroupRevokesRightsWithoutDeletingUser(t *testing.T) {
|
||||||
|
pool := setupGroupTestDB(t, "test_rbac03_delete")
|
||||||
|
gs := NewGroupStore(pool)
|
||||||
|
us := user.NewTenantUserStore(pool)
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
g, _ := gs.CreateGroup(ctx, "Temp")
|
||||||
|
_ = gs.SetGroupRole(ctx, g.ID, RoleTenantAdmin)
|
||||||
|
userID := createTestUser(t, pool, "alice@example.com")
|
||||||
|
_ = gs.AddMember(ctx, g.ID, userID)
|
||||||
|
|
||||||
|
if err := gs.DeleteGroup(ctx, g.ID); err != nil {
|
||||||
|
t.Fatalf("delete group: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
perms, err := gs.EffectivePermissionsForUser(ctx, nil, userID)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("effective permissions: %v", err)
|
||||||
|
}
|
||||||
|
if contains(perms, PermManageUsers) {
|
||||||
|
t.Fatal("erwartet keine rechte mehr nach loeschen der gruppe")
|
||||||
|
}
|
||||||
|
|
||||||
|
if _, err := us.Get(ctx, userID); err != nil {
|
||||||
|
t.Fatalf("benutzerkonto haette erhalten bleiben muessen: %v", err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Akzeptanzkriterium 3 + Pruefung 3: Gruppen sind sauber tenant-isoliert.
|
||||||
|
func TestGroup_TenantIsolation(t *testing.T) {
|
||||||
|
poolA := setupGroupTestDB(t, "test_rbac03_tenanta")
|
||||||
|
poolB := setupGroupTestDB(t, "test_rbac03_tenantb")
|
||||||
|
gsA := NewGroupStore(poolA)
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
if _, err := gsA.CreateGroup(ctx, "Nur-Tenant-A"); err != nil {
|
||||||
|
t.Fatalf("create group a: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
var countB int
|
||||||
|
if err := poolB.QueryRow(ctx, `SELECT count(*) FROM groups`).Scan(&countB); err != nil {
|
||||||
|
t.Fatalf("count tenant b: %v", err)
|
||||||
|
}
|
||||||
|
if countB != 0 {
|
||||||
|
t.Fatalf("tenant b sollte keine gruppen aus tenant a sehen, habe %d", countB)
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -1,2 +0,0 @@
|
|||||||
DROP TABLE IF EXISTS policy_rule_changes;
|
|
||||||
DROP TABLE IF EXISTS policy_rules;
|
|
||||||
@@ -1,24 +0,0 @@
|
|||||||
-- Zentrale, deklarative Policy-Regeln (RBAC-02, siehe core-kanban/tickets/RBAC-02.md).
|
|
||||||
-- policy_rules haelt den AKTUELLEN, gewaehrten Regelsatz (Existenz = erlaubt,
|
|
||||||
-- Default-Deny fuer alles ohne Zeile). policy_rule_changes ist die
|
|
||||||
-- versionierte Aenderungshistorie (Akzeptanzkriterium 3: Regelwechsel ohne
|
|
||||||
-- Codeaenderung nachvollziehbar).
|
|
||||||
CREATE TABLE policy_rules (
|
|
||||||
role TEXT NOT NULL,
|
|
||||||
permission TEXT NOT NULL,
|
|
||||||
granted_by TEXT NOT NULL,
|
|
||||||
granted_at TIMESTAMPTZ NOT NULL DEFAULT now(),
|
|
||||||
PRIMARY KEY (role, permission)
|
|
||||||
);
|
|
||||||
|
|
||||||
CREATE TABLE policy_rule_changes (
|
|
||||||
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
|
||||||
role TEXT NOT NULL,
|
|
||||||
permission TEXT NOT NULL,
|
|
||||||
action TEXT NOT NULL CHECK (action IN ('grant', 'revoke')),
|
|
||||||
actor TEXT NOT NULL,
|
|
||||||
version INT NOT NULL,
|
|
||||||
changed_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
|
||||||
);
|
|
||||||
|
|
||||||
CREATE INDEX policy_rule_changes_idx ON policy_rule_changes (role, permission, version);
|
|
||||||
@@ -1 +0,0 @@
|
|||||||
DROP TABLE IF EXISTS feature_flags;
|
|
||||||
@@ -1,10 +0,0 @@
|
|||||||
-- Feature-Flags zentral je Mandant/Zielgruppe (LIC-02, siehe core-kanban/tickets/LIC-02.md).
|
|
||||||
-- Lebt in der Registry-DB, nicht pro Tenant-Datenbank — Flags sind eine
|
|
||||||
-- Core-weite Konfiguration, keine Mandanten-Geschaeftsdaten.
|
|
||||||
CREATE TABLE feature_flags (
|
|
||||||
key TEXT PRIMARY KEY,
|
|
||||||
enabled BOOLEAN NOT NULL DEFAULT false,
|
|
||||||
rollout_percentage INT NOT NULL DEFAULT 0 CHECK (rollout_percentage BETWEEN 0 AND 100),
|
|
||||||
target_tenant_slugs TEXT[] NOT NULL DEFAULT '{}',
|
|
||||||
updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
|
||||||
);
|
|
||||||
@@ -1 +0,0 @@
|
|||||||
DROP TABLE IF EXISTS policy_module_scopes;
|
|
||||||
@@ -1,11 +0,0 @@
|
|||||||
-- Modul-Scoping fuer Policy-Regeln (RBAC-04, siehe core-kanban/tickets/RBAC-04.md).
|
|
||||||
-- Existiert fuer eine (role, permission)-Regel ein Eintrag hier, gilt sie
|
|
||||||
-- NUR, wenn zusaetzlich das verknuepfte Feature-Flag (LIC-02) fuer den
|
|
||||||
-- Tenant aktiv ist — Rechte folgen der Lizenz, nicht umgekehrt.
|
|
||||||
CREATE TABLE policy_module_scopes (
|
|
||||||
role TEXT NOT NULL,
|
|
||||||
permission TEXT NOT NULL,
|
|
||||||
module TEXT NOT NULL,
|
|
||||||
flag_key TEXT NOT NULL,
|
|
||||||
PRIMARY KEY (role, permission)
|
|
||||||
);
|
|
||||||
@@ -0,0 +1,2 @@
|
|||||||
|
DROP TABLE IF EXISTS group_members;
|
||||||
|
DROP TABLE IF EXISTS groups;
|
||||||
@@ -0,0 +1,21 @@
|
|||||||
|
-- Gruppen/Abteilungen mit Rollenzuweisung auf Gruppenebene (RBAC-03, siehe
|
||||||
|
-- core-kanban/tickets/RBAC-03.md). Lebt in der Tenant-Datenbank (Modell C) —
|
||||||
|
-- Gruppen sind implizit tenant-isoliert, da jede Tenant-DB ihre eigenen hat.
|
||||||
|
CREATE TABLE groups (
|
||||||
|
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
||||||
|
name TEXT NOT NULL,
|
||||||
|
role TEXT CHECK (role IN ('user', 'tenant_admin')),
|
||||||
|
created_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||||
|
);
|
||||||
|
|
||||||
|
-- ON DELETE CASCADE: Loeschen einer Gruppe entzieht die gruppenbasierten
|
||||||
|
-- Rechte automatisch, ohne Benutzerkonten selbst zu beruehren
|
||||||
|
-- (Akzeptanzkriterium 3).
|
||||||
|
CREATE TABLE group_members (
|
||||||
|
group_id UUID NOT NULL REFERENCES groups(id) ON DELETE CASCADE,
|
||||||
|
user_id UUID NOT NULL REFERENCES users(id),
|
||||||
|
added_at TIMESTAMPTZ NOT NULL DEFAULT now(),
|
||||||
|
PRIMARY KEY (group_id, user_id)
|
||||||
|
);
|
||||||
|
|
||||||
|
CREATE INDEX group_members_user_idx ON group_members (user_id);
|
||||||
Reference in New Issue
Block a user