Compare commits
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1a82da211d |
@@ -1,20 +0,0 @@
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package apiserver
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import "context"
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type contextKey int
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const requestContextKey contextKey = iota
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// RequestContext ist der Tenant-/Benutzerkontext, den die Middleware-Kette
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// fuer nachgelagerte Handler bereitstellt (Akzeptanzkriterium 3).
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type RequestContext struct {
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UserID string
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TenantSlug string
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}
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// FromContext liest den von der Middleware gesetzten Kontext.
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func FromContext(ctx context.Context) (RequestContext, bool) {
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rc, ok := ctx.Value(requestContextKey).(RequestContext)
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return rc, ok
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}
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@@ -1,31 +0,0 @@
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// Package apiserver implementiert Core API-01: das REST-Grundgerüst mit
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// URL-Versionierung, einheitlichem Fehlerformat und Middleware-Kette
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// (Auth, Tenant-/Benutzerkontext, Logging).
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package apiserver
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import (
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"encoding/json"
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"net/http"
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)
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// errorBody ist das EINE Fehlerschema fuer alle Endpunkte unter /api/{version}/
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// (Akzeptanzkriterium 2).
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type errorBody struct {
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Error struct {
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Code string `json:"code"`
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Message string `json:"message"`
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} `json:"error"`
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}
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// WriteError schreibt einen Fehler im einheitlichen Schema. code ist ein
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// stabiler, maschinenlesbarer Bezeichner (z.B. "unauthenticated"), message
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// ein fuer Menschen lesbarer deutscher Text.
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func WriteError(w http.ResponseWriter, status int, code, message string) {
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var body errorBody
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body.Error.Code = code
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body.Error.Message = message
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(status)
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_ = json.NewEncoder(w).Encode(body)
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}
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@@ -1,56 +0,0 @@
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package apiserver
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import (
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"context"
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"log/slog"
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"net/http"
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"time"
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"gitea.perlbach24.de/scripte/nexarch/internal/auth"
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)
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// authAndTenantContext prueft die Session (wiederverwendet auth.TokenIssuer.Verify
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// aus IAM-02 — keine zweite JWT-Implementierung) und setzt bei Erfolg
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// RequestContext fuer nachgelagerte Handler (Akzeptanzkriterium 3). Anders
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// als auth.RequireAuth (Klartext-Fehler) antwortet diese Middleware im
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// einheitlichen API-01-Fehlerschema (Akzeptanzkriterium 2), damit ALLE
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// Endpunkte unter /api/{version}/ dasselbe Format liefern, auch bei
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// Auth-Fehlern.
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func authAndTenantContext(issuer *auth.TokenIssuer, next http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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cookie, err := r.Cookie(auth.CookieName)
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if err != nil {
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WriteError(w, http.StatusUnauthorized, "unauthenticated", "nicht angemeldet")
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return
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}
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claims, err := issuer.Verify(cookie.Value)
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if err != nil {
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WriteError(w, http.StatusUnauthorized, "unauthenticated", "nicht angemeldet")
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return
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}
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rc := RequestContext{UserID: claims.UserID, TenantSlug: claims.TenantSlug}
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next(w, r.WithContext(context.WithValue(r.Context(), requestContextKey, rc)))
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}
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}
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type statusRecorder struct {
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http.ResponseWriter
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status int
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}
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func (s *statusRecorder) WriteHeader(code int) {
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s.status = code
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s.ResponseWriter.WriteHeader(code)
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}
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// loggingMiddleware protokolliert jede Anfrage strukturiert.
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func loggingMiddleware(next http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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rec := &statusRecorder{ResponseWriter: w, status: http.StatusOK}
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start := time.Now()
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next(rec, r)
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slog.Info("api-anfrage", "method", r.Method, "path", r.URL.Path, "status", rec.status, "dauer", time.Since(start))
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}
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}
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@@ -1,37 +0,0 @@
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package apiserver
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import (
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"net/http"
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"gitea.perlbach24.de/scripte/nexarch/internal/auth"
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)
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// Server registriert versionierte API-Routen (Akzeptanzkriterium 1: unter
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// /api/{version}/...) und verdrahtet fuer jede Route dieselbe Middleware-
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// Kette (Logging -> Auth+Tenantkontext -> Handler).
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type Server struct {
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mux *http.ServeMux
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issuer *auth.TokenIssuer
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}
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func NewServer(issuer *auth.TokenIssuer) *Server {
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return &Server{mux: http.NewServeMux(), issuer: issuer}
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}
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// Handle registriert pattern unter der angegebenen Version, z.B.
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// Handle("v1", "/things", h) -> erreichbar unter /api/v1/things. Verschiedene
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// Versionen sind unabhaengige Pfade — eine neue Version beeintraechtigt
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// bestehende nicht (Akzeptanzkriterium 1 / Pruefung 3).
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func (s *Server) Handle(version, pattern string, h http.HandlerFunc) {
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full := "/api/" + version + pattern
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s.mux.HandleFunc(full, loggingMiddleware(authAndTenantContext(s.issuer, h)))
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}
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// HandleV1 ist die Kurzform fuer die aktuelle Hauptversion.
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func (s *Server) HandleV1(pattern string, h http.HandlerFunc) {
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s.Handle("v1", pattern, h)
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}
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func (s *Server) Handler() http.Handler {
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return s.mux
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}
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@@ -1,149 +0,0 @@
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package apiserver
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import (
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"testing"
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"gitea.perlbach24.de/scripte/nexarch/internal/auth"
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)
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func newTestServer() (*Server, *auth.TokenIssuer) {
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issuer := auth.NewTokenIssuer("test-secret-nur-fuer-tests")
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return NewServer(issuer), issuer
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}
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func withAuthCookie(req *http.Request, token string) *http.Request {
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req.AddCookie(&http.Cookie{Name: auth.CookieName, Value: token})
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return req
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}
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// Akzeptanzkriterium 1: API unter versioniertem Pfad erreichbar.
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func TestHandleV1_RegistersUnderVersionedPath(t *testing.T) {
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srv, issuer := newTestServer()
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srv.HandleV1("/things", func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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})
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token, err := issuer.Issue("user-1", "acme")
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if err != nil {
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t.Fatalf("issue: %v", err)
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}
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req := withAuthCookie(httptest.NewRequest(http.MethodGet, "/api/v1/things", nil), token)
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rec := httptest.NewRecorder()
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srv.Handler().ServeHTTP(rec, req)
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if rec.Code != http.StatusOK {
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t.Fatalf("status = %d, want 200", rec.Code)
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}
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}
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// Akzeptanzkriterium 2 + Pruefung 1 (Stichprobe): mehrere Endpunkte liefern
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// bei fehlerhafter Anfrage dasselbe Fehlerschema.
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func TestErrorFormat_ConsistentAcrossEndpoints(t *testing.T) {
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srv, _ := newTestServer()
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srv.HandleV1("/endpunkt-a", func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) })
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srv.HandleV1("/endpunkt-b", func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) })
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for _, path := range []string{"/api/v1/endpunkt-a", "/api/v1/endpunkt-b"} {
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req := httptest.NewRequest(http.MethodGet, path, nil) // ohne cookie -> 401
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rec := httptest.NewRecorder()
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srv.Handler().ServeHTTP(rec, req)
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if rec.Code != http.StatusUnauthorized {
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t.Fatalf("%s: status = %d, want 401", path, rec.Code)
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}
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var body errorBody
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if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
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t.Fatalf("%s: fehlerantwort nicht im erwarteten json-schema: %v (body: %s)", path, err, rec.Body.String())
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}
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if body.Error.Code == "" || body.Error.Message == "" {
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t.Fatalf("%s: erwartet nicht-leeren code/message, habe %+v", path, body)
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}
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}
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}
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// Akzeptanzkriterium 3 + Pruefung 2: Middleware-Kette setzt Tenant-/
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// Benutzerkontext zuverlaessig, nachweislich fuer mehrere Endpunkte.
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func TestMiddleware_SetsRequestContextForEveryEndpoint(t *testing.T) {
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srv, issuer := newTestServer()
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var gotA, gotB RequestContext
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srv.HandleV1("/kontext-a", func(w http.ResponseWriter, r *http.Request) {
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gotA, _ = FromContext(r.Context())
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w.WriteHeader(http.StatusOK)
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})
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srv.HandleV1("/kontext-b", func(w http.ResponseWriter, r *http.Request) {
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gotB, _ = FromContext(r.Context())
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w.WriteHeader(http.StatusOK)
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})
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token, err := issuer.Issue("user-42", "tenant-x")
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if err != nil {
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t.Fatalf("issue: %v", err)
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}
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for path, got := range map[string]*RequestContext{"/api/v1/kontext-a": &gotA, "/api/v1/kontext-b": &gotB} {
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req := withAuthCookie(httptest.NewRequest(http.MethodGet, path, nil), token)
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rec := httptest.NewRecorder()
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srv.Handler().ServeHTTP(rec, req)
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if rec.Code != http.StatusOK {
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t.Fatalf("%s: status = %d, want 200", path, rec.Code)
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}
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if got.UserID != "user-42" || got.TenantSlug != "tenant-x" {
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t.Fatalf("%s: request-context unerwartet: %+v", path, *got)
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}
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}
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}
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// Akzeptanzkriterium 1 + Pruefung 3: eine neue v2-Route laesst sich anlegen,
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// ohne v1 zu beeintraechtigen.
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func TestVersioning_V2DoesNotAffectV1(t *testing.T) {
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srv, issuer := newTestServer()
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srv.HandleV1("/things", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("v1-antwort"))
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})
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srv.Handle("v2", "/things", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("v2-antwort"))
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})
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token, err := issuer.Issue("user-1", "acme")
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if err != nil {
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t.Fatalf("issue: %v", err)
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}
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reqV1 := withAuthCookie(httptest.NewRequest(http.MethodGet, "/api/v1/things", nil), token)
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recV1 := httptest.NewRecorder()
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srv.Handler().ServeHTTP(recV1, reqV1)
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if recV1.Body.String() != "v1-antwort" {
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t.Fatalf("v1 antwort = %q, want v1-antwort", recV1.Body.String())
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}
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reqV2 := withAuthCookie(httptest.NewRequest(http.MethodGet, "/api/v2/things", nil), token)
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recV2 := httptest.NewRecorder()
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srv.Handler().ServeHTTP(recV2, reqV2)
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if recV2.Body.String() != "v2-antwort" {
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t.Fatalf("v2 antwort = %q, want v2-antwort", recV2.Body.String())
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}
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// v1 nach dem Anlegen von v2 erneut pruefen — unveraendert.
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reqV1Again := withAuthCookie(httptest.NewRequest(http.MethodGet, "/api/v1/things", nil), token)
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recV1Again := httptest.NewRecorder()
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srv.Handler().ServeHTTP(recV1Again, reqV1Again)
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if recV1Again.Body.String() != "v1-antwort" {
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t.Fatalf("v1 antwort nach v2-anlage = %q, want weiterhin v1-antwort", recV1Again.Body.String())
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}
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}
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func TestAuthAndTenantContext_RejectsInvalidToken(t *testing.T) {
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srv, _ := newTestServer()
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srv.HandleV1("/geschuetzt", func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) })
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req := withAuthCookie(httptest.NewRequest(http.MethodGet, "/api/v1/geschuetzt", nil), "kaputtes.token.hier")
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rec := httptest.NewRecorder()
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srv.Handler().ServeHTTP(rec, req)
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if rec.Code != http.StatusUnauthorized {
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t.Fatalf("status = %d, want 401", rec.Code)
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}
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}
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@@ -0,0 +1,27 @@
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// Package ldapsync implementiert Core IAM-05: LDAP/Active-Directory-
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// Anbindung je Tenant fuer Benutzer-Synchronisation, Login-Delegation und
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// Rollenzuordnung aus Gruppen ueber eine explizite Erlaubnis-Matrix.
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//
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// WICHTIGER HINWEIS: In dieser Umgebung steht kein echter LDAP/AD-Server zur
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// Verfuegung (analog zur Archive-Engine bei AUD-05). Client ist deshalb eine
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// Schnittstelle — die Sync-/Rollenzuordnungs-Logik ist gegen einen Fake in
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// den Tests vollstaendig geprueft, eine echte Verbindungspruefung gegen
|
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// LDAP/AD steht noch aus.
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package ldapsync
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// Entry ist ein aus LDAP gelesener Benutzerdatensatz.
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||||||
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type Entry struct {
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||||||
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Email string
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Name string
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||||||
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Groups []string
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||||||
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Disabled bool
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||||||
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}
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||||||
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||||||
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// Client abstrahiert die eigentliche LDAP-Verbindung (Bind + Search).
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||||||
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type Client interface {
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||||||
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// Search liefert alle Benutzer, die dem konfigurierten Filter
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||||||
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// entsprechen. Ein Fehler bedeutet "Quelle nicht erreichbar oder
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// fehlerhaft" — Run() bricht dann komplett und folgenlos ab
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||||||
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// (Akzeptanzkriterium 2).
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||||||
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Search() ([]Entry, error)
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||||||
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}
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||||||
@@ -0,0 +1,204 @@
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|||||||
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package ldapsync
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||||||
|
|
||||||
|
import (
|
||||||
|
"context"
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||||||
|
"errors"
|
||||||
|
"fmt"
|
||||||
|
"os"
|
||||||
|
"testing"
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||||||
|
"time"
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||||||
|
|
||||||
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"github.com/jackc/pgx/v5/pgxpool"
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||||||
|
|
||||||
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"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
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||||||
|
"gitea.perlbach24.de/scripte/nexarch/internal/user"
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||||||
|
)
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||||||
|
|
||||||
|
type fakeClient struct {
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||||||
|
entries []Entry
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||||||
|
err error
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||||||
|
}
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||||||
|
|
||||||
|
func (f *fakeClient) Search() ([]Entry, error) {
|
||||||
|
if f.err != nil {
|
||||||
|
return nil, f.err
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||||||
|
}
|
||||||
|
return f.entries, nil
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||||||
|
}
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||||||
|
|
||||||
|
func setupTest(t *testing.T) (*user.TenantUserStore, *rbac.Store, *RoleMappingStore, 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 users (
|
||||||
|
id UUID PRIMARY KEY DEFAULT gen_random_uuid(), email TEXT NOT NULL UNIQUE, name TEXT NOT NULL,
|
||||||
|
status TEXT NOT NULL DEFAULT 'active', password_hash TEXT NOT NULL DEFAULT '',
|
||||||
|
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 role_assignment_history (
|
||||||
|
id UUID PRIMARY KEY DEFAULT gen_random_uuid(), user_id UUID NOT NULL, role TEXT NOT NULL,
|
||||||
|
granted_by TEXT NOT NULL, granted_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||||
|
);
|
||||||
|
CREATE TABLE IF NOT EXISTS ldap_group_role_mapping (
|
||||||
|
ldap_group TEXT PRIMARY KEY, role TEXT NOT NULL CHECK (role IN ('user','tenant_admin'))
|
||||||
|
);
|
||||||
|
`); err != nil {
|
||||||
|
t.Fatalf("schema: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
cleanup := func() { pool.Close() }
|
||||||
|
return user.NewTenantUserStore(pool), rbac.NewStore(pool), NewRoleMappingStore(pool), cleanup
|
||||||
|
}
|
||||||
|
|
||||||
|
func uniqueEmail() string {
|
||||||
|
return fmt.Sprintf("ldap-test-%d@example.com", time.Now().UnixNano())
|
||||||
|
}
|
||||||
|
|
||||||
|
// Akzeptanzkriterium 3 + Pruefung 1: Rollen-Erlaubnis-Matrix mit Positiv- und
|
||||||
|
// Negativfaellen — keine Privilege-Escalation ueber Gruppenmitgliedschaft.
|
||||||
|
func TestRoleMapping_PositiveAndNegativeCases(t *testing.T) {
|
||||||
|
_, _, mappings, cleanup := setupTest(t)
|
||||||
|
defer cleanup()
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
if err := mappings.SetMapping(ctx, "cn=IT-Admins,ou=groups,dc=example,dc=com", rbac.RoleTenantAdmin); err != nil {
|
||||||
|
t.Fatalf("set mapping: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Positivfall: gemappte Gruppe liefert die konfigurierte Rolle.
|
||||||
|
role, ok, err := mappings.HighestRoleFor(ctx, []string{"cn=IT-Admins,ou=groups,dc=example,dc=com"})
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("highest role: %v", err)
|
||||||
|
}
|
||||||
|
if !ok || role != rbac.RoleTenantAdmin {
|
||||||
|
t.Fatalf("erwartet tenant_admin, habe ok=%v role=%q", ok, role)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Negativfall 1: unbekannte Gruppe vergibt keine Rolle.
|
||||||
|
_, ok, err = mappings.HighestRoleFor(ctx, []string{"cn=Praktikanten,ou=groups,dc=example,dc=com"})
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("highest role (unbekannt): %v", err)
|
||||||
|
}
|
||||||
|
if ok {
|
||||||
|
t.Fatal("erwartet KEINE rolle fuer nicht gemappte gruppe")
|
||||||
|
}
|
||||||
|
|
||||||
|
// Negativfall 2 (Privilege-Escalation-Versuch): eine Gruppe, die zufaellig
|
||||||
|
// wie eine interne Rolle heisst, aber NIE explizit gemappt wurde, darf
|
||||||
|
// keine Rolle vergeben.
|
||||||
|
_, ok, err = mappings.HighestRoleFor(ctx, []string{"tenant_admin", "superadmin"})
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("highest role (namens-trick): %v", err)
|
||||||
|
}
|
||||||
|
if ok {
|
||||||
|
t.Fatal("erwartet KEINE privilege-escalation ueber gruppennamen, die wie rollen aussehen")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Akzeptanzkriterium 1: Synchronisationslauf legt Benutzer an.
|
||||||
|
func TestSyncer_CreatesUsers(t *testing.T) {
|
||||||
|
users, roles, mappings, cleanup := setupTest(t)
|
||||||
|
defer cleanup()
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
email := uniqueEmail()
|
||||||
|
client := &fakeClient{entries: []Entry{{Email: email, Name: "LDAP Nutzer"}}}
|
||||||
|
syncer := NewSyncer(client, users, roles, mappings)
|
||||||
|
|
||||||
|
result, err := syncer.Run(ctx)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("run: %v", err)
|
||||||
|
}
|
||||||
|
if result.Created != 1 {
|
||||||
|
t.Fatalf("erwartet 1 angelegten benutzer, habe %d", result.Created)
|
||||||
|
}
|
||||||
|
|
||||||
|
if _, err := users.GetByEmailForAuth(ctx, email); err != nil {
|
||||||
|
t.Fatalf("benutzer sollte existieren: %v", err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Akzeptanzkriterium 2 + Pruefung 2: fehlerhafte/nicht erreichbare LDAP-
|
||||||
|
// Quelle bricht kontrolliert ab, ohne bestehende Konten zu beschaedigen.
|
||||||
|
func TestSyncer_AbortsCleanlyOnSourceError(t *testing.T) {
|
||||||
|
users, roles, mappings, cleanup := setupTest(t)
|
||||||
|
defer cleanup()
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
// Ein bereits bestehendes Konto, das UNBERUEHRT bleiben muss.
|
||||||
|
existingEmail := uniqueEmail()
|
||||||
|
existing, err := users.Create(ctx, existingEmail, "Bestehender Nutzer")
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("create existing: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
client := &fakeClient{err: errors.New("ldap-server nicht erreichbar (simuliert)")}
|
||||||
|
syncer := NewSyncer(client, users, roles, mappings)
|
||||||
|
|
||||||
|
if _, err := syncer.Run(ctx); err == nil {
|
||||||
|
t.Fatal("erwartet fehler bei nicht erreichbarer ldap-quelle")
|
||||||
|
}
|
||||||
|
|
||||||
|
// Bestehendes Konto unveraendert (noch aktiv, keine geloeschten/neuen Zeilen).
|
||||||
|
got, err := users.Get(ctx, existing.ID)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("bestehendes konto sollte weiterhin existieren: %v", err)
|
||||||
|
}
|
||||||
|
if got.Status != user.StatusActive {
|
||||||
|
t.Fatalf("bestehendes konto sollte unveraendert aktiv sein, ist %q", got.Status)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Akzeptanzkriterium 3 + Pruefung 3: Deaktivierung in LDAP wird bei
|
||||||
|
// naechster Synchronisation korrekt uebernommen.
|
||||||
|
func TestSyncer_AppliesDeactivationOnNextRun(t *testing.T) {
|
||||||
|
users, roles, mappings, cleanup := setupTest(t)
|
||||||
|
defer cleanup()
|
||||||
|
ctx := context.Background()
|
||||||
|
|
||||||
|
email := uniqueEmail()
|
||||||
|
client := &fakeClient{entries: []Entry{{Email: email, Name: "Wird Deaktiviert"}}}
|
||||||
|
syncer := NewSyncer(client, users, roles, mappings)
|
||||||
|
|
||||||
|
if _, err := syncer.Run(ctx); err != nil {
|
||||||
|
t.Fatalf("erster lauf: %v", err)
|
||||||
|
}
|
||||||
|
u, err := users.GetByEmailForAuth(ctx, email)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("benutzer nach erstem lauf: %v", err)
|
||||||
|
}
|
||||||
|
if u.User.Status != user.StatusActive {
|
||||||
|
t.Fatalf("erwartet aktiv nach erstem lauf, habe %q", u.User.Status)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Zweiter Lauf: derselbe Benutzer ist jetzt in LDAP deaktiviert.
|
||||||
|
client.entries[0].Disabled = true
|
||||||
|
result, err := syncer.Run(ctx)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("zweiter lauf: %v", err)
|
||||||
|
}
|
||||||
|
if result.Deactivated != 1 {
|
||||||
|
t.Fatalf("erwartet 1 deaktivierung, habe %d", result.Deactivated)
|
||||||
|
}
|
||||||
|
|
||||||
|
u, err = users.GetByEmailForAuth(ctx, email)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("benutzer nach zweitem lauf: %v", err)
|
||||||
|
}
|
||||||
|
if u.User.Status != user.StatusInactive {
|
||||||
|
t.Fatalf("erwartet inaktiv nach deaktivierung in ldap, habe %q", u.User.Status)
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,79 @@
|
|||||||
|
package ldapsync
|
||||||
|
|
||||||
|
import (
|
||||||
|
"context"
|
||||||
|
"errors"
|
||||||
|
"fmt"
|
||||||
|
|
||||||
|
"github.com/jackc/pgx/v5"
|
||||||
|
"github.com/jackc/pgx/v5/pgxpool"
|
||||||
|
|
||||||
|
"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
|
||||||
|
)
|
||||||
|
|
||||||
|
// RoleMappingStore verwaltet die Erlaubnis-Matrix LDAP-Gruppe -> Rolle
|
||||||
|
// (Akzeptanzkriterium 3). Nur explizit gemappte Gruppen vergeben eine Rolle
|
||||||
|
// — der Schutz gegen Privilege-Escalation ist strukturell: es gibt keinen
|
||||||
|
// Code-Pfad, der eine unbekannte Gruppe irgendeiner Rolle zuordnet.
|
||||||
|
type RoleMappingStore struct {
|
||||||
|
pool *pgxpool.Pool
|
||||||
|
}
|
||||||
|
|
||||||
|
func NewRoleMappingStore(pool *pgxpool.Pool) *RoleMappingStore {
|
||||||
|
return &RoleMappingStore{pool: pool}
|
||||||
|
}
|
||||||
|
|
||||||
|
// SetMapping ordnet eine LDAP-Gruppe genau einer NEXARCH-Rolle zu. Nur
|
||||||
|
// 'user'/'tenant_admin' sind zuweisbar (dieselbe Matrix wie RBAC-01/03) —
|
||||||
|
// 'superadmin' bleibt mandantenuebergreifend und nie ueber LDAP erreichbar.
|
||||||
|
func (s *RoleMappingStore) SetMapping(ctx context.Context, ldapGroup string, role rbac.Role) error {
|
||||||
|
if role != rbac.RoleUser && role != rbac.RoleTenantAdmin {
|
||||||
|
return fmt.Errorf("ldapsync: rolle %q ist ueber ldap nicht zuweisbar", role)
|
||||||
|
}
|
||||||
|
_, err := s.pool.Exec(ctx, `
|
||||||
|
INSERT INTO ldap_group_role_mapping (ldap_group, role) VALUES ($1, $2)
|
||||||
|
ON CONFLICT (ldap_group) DO UPDATE SET role = $2
|
||||||
|
`, ldapGroup, string(role))
|
||||||
|
if err != nil {
|
||||||
|
return fmt.Errorf("gruppenzuordnung speichern: %w", err)
|
||||||
|
}
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// roleFor liefert die einer LDAP-Gruppe zugeordnete Rolle, sofern konfiguriert.
|
||||||
|
func (s *RoleMappingStore) roleFor(ctx context.Context, ldapGroup string) (rbac.Role, bool, error) {
|
||||||
|
var role string
|
||||||
|
err := s.pool.QueryRow(ctx, `SELECT role FROM ldap_group_role_mapping WHERE ldap_group = $1`, ldapGroup).Scan(&role)
|
||||||
|
if err != nil {
|
||||||
|
if errors.Is(err, pgx.ErrNoRows) {
|
||||||
|
return "", false, nil
|
||||||
|
}
|
||||||
|
return "", false, fmt.Errorf("gruppenzuordnung lesen: %w", err)
|
||||||
|
}
|
||||||
|
return rbac.Role(role), true, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// HighestRoleFor bestimmt aus einer Liste von LDAP-Gruppen die hoechste
|
||||||
|
// zugeordnete Rolle (tenant_admin > user). Gruppen ohne Eintrag in der
|
||||||
|
// Matrix tragen NICHTS bei — auch nicht, wenn ihr Name zufaellig wie eine
|
||||||
|
// interne Rolle aussieht (Akzeptanzkriterium 3 / Pruefung 1: keine
|
||||||
|
// Privilege-Escalation ueber Gruppenmitgliedschaft).
|
||||||
|
func (s *RoleMappingStore) HighestRoleFor(ctx context.Context, ldapGroups []string) (rbac.Role, bool, error) {
|
||||||
|
var best rbac.Role
|
||||||
|
found := false
|
||||||
|
|
||||||
|
for _, g := range ldapGroups {
|
||||||
|
role, ok, err := s.roleFor(ctx, g)
|
||||||
|
if err != nil {
|
||||||
|
return "", false, err
|
||||||
|
}
|
||||||
|
if !ok {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
if !found || role == rbac.RoleTenantAdmin {
|
||||||
|
best = role
|
||||||
|
found = true
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return best, found, nil
|
||||||
|
}
|
||||||
@@ -0,0 +1,93 @@
|
|||||||
|
package ldapsync
|
||||||
|
|
||||||
|
import (
|
||||||
|
"context"
|
||||||
|
"errors"
|
||||||
|
"fmt"
|
||||||
|
|
||||||
|
"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
|
||||||
|
"gitea.perlbach24.de/scripte/nexarch/internal/user"
|
||||||
|
)
|
||||||
|
|
||||||
|
// SyncResult fasst das Ergebnis eines Synchronisationslaufs zusammen.
|
||||||
|
type SyncResult struct {
|
||||||
|
Created int
|
||||||
|
Updated int
|
||||||
|
Deactivated int
|
||||||
|
Failed []string // Email-Adressen, bei denen die Verarbeitung fehlschlug
|
||||||
|
}
|
||||||
|
|
||||||
|
// Syncer fuehrt die Benutzer-/Rollen-Synchronisation aus LDAP aus.
|
||||||
|
type Syncer struct {
|
||||||
|
client Client
|
||||||
|
users *user.TenantUserStore
|
||||||
|
roles *rbac.Store
|
||||||
|
mappings *RoleMappingStore
|
||||||
|
}
|
||||||
|
|
||||||
|
func NewSyncer(client Client, users *user.TenantUserStore, roles *rbac.Store, mappings *RoleMappingStore) *Syncer {
|
||||||
|
return &Syncer{client: client, users: users, roles: roles, mappings: mappings}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Run synchronisiert Benutzer aus LDAP (Akzeptanzkriterium 1). Ist die
|
||||||
|
// LDAP-Quelle nicht erreichbar/fehlerhaft, wird SOFORT und OHNE jede
|
||||||
|
// Aenderung an bestehenden Konten abgebrochen (Akzeptanzkriterium 2 /
|
||||||
|
// Pruefung 2) — Search() wird als allererstes aufgerufen, bevor irgendein
|
||||||
|
// Schreibzugriff stattfindet.
|
||||||
|
func (s *Syncer) Run(ctx context.Context) (SyncResult, error) {
|
||||||
|
entries, err := s.client.Search()
|
||||||
|
if err != nil {
|
||||||
|
return SyncResult{}, fmt.Errorf("ldap-quelle nicht erreichbar, synchronisation abgebrochen: %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
var result SyncResult
|
||||||
|
for _, entry := range entries {
|
||||||
|
if err := s.syncOne(ctx, entry, &result); err != nil {
|
||||||
|
// Ein fehlerhafter Einzeleintrag isoliert sich selbst — er
|
||||||
|
// beschaedigt weder bereits verarbeitete noch nachfolgende
|
||||||
|
// Konten (Akzeptanzkriterium 2).
|
||||||
|
result.Failed = append(result.Failed, entry.Email)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return result, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (s *Syncer) syncOne(ctx context.Context, entry Entry, result *SyncResult) error {
|
||||||
|
existing, err := s.users.GetByEmailForAuth(ctx, entry.Email)
|
||||||
|
isNew := errors.Is(err, user.ErrNotFound)
|
||||||
|
if err != nil && !isNew {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
|
||||||
|
var userID string
|
||||||
|
if isNew {
|
||||||
|
created, err := s.users.Create(ctx, entry.Email, entry.Name)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
userID = created.ID
|
||||||
|
result.Created++
|
||||||
|
} else {
|
||||||
|
userID = existing.User.ID
|
||||||
|
result.Updated++
|
||||||
|
}
|
||||||
|
|
||||||
|
// Deaktivierung in LDAP wird uebernommen (Akzeptanzkriterium 3 / Pruefung 3).
|
||||||
|
if entry.Disabled {
|
||||||
|
if _, err := s.users.Deactivate(ctx, userID); err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
result.Deactivated++
|
||||||
|
}
|
||||||
|
|
||||||
|
role, ok, err := s.mappings.HighestRoleFor(ctx, entry.Groups)
|
||||||
|
if err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
if ok {
|
||||||
|
if _, err := s.roles.Assign(ctx, userID, role, "ldap-sync"); err != nil {
|
||||||
|
return err
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return nil
|
||||||
|
}
|
||||||
@@ -1,257 +0,0 @@
|
|||||||
// Package loadtest implementiert Core QA-08: Last- und Leistungstests fuer
|
|
||||||
// die drei Mechanismen, die unter realistischer Mehrmodul-Last (sechs
|
|
||||||
// gleichzeitig zugreifende Fachmodule: DMS/Mail/Archive/Workflow/AI/Connect)
|
|
||||||
// am ehesten unter Druck geraten — JWT-Verifikationspfad (API-05),
|
|
||||||
// Tenant-Connection-Pooling (TEN-06) und Rate-Limiting (API-03). Jeder Test
|
|
||||||
// dokumentiert einen Zielwert UND das tatsaechlich gemessene Ergebnis
|
|
||||||
// (Ticket-Vorgabe: "Pruefen heisst messen. Behauptungen ohne Messprotokoll
|
|
||||||
// gelten nicht als erledigt.").
|
|
||||||
package loadtest
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"crypto/ed25519"
|
|
||||||
"fmt"
|
|
||||||
"os"
|
|
||||||
"sort"
|
|
||||||
"sync"
|
|
||||||
"sync/atomic"
|
|
||||||
"testing"
|
|
||||||
"time"
|
|
||||||
|
|
||||||
"github.com/jackc/pgx/v5/pgxpool"
|
|
||||||
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/moduletrust"
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/ratelimit"
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/tenant"
|
|
||||||
)
|
|
||||||
|
|
||||||
const simulatedModuleCount = 6 // DMS, Mail, Archive, Workflow, AI, Connect
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 1 + Pruefung 1: definierte Ziel-Latenz fuer
|
|
||||||
// JWT-Verifikation unter Last aus sechs gleichzeitig zugreifenden Modulen.
|
|
||||||
//
|
|
||||||
// Zielwert: p95 < 10ms je Verify()-Aufruf. Begruendung des Zielwerts:
|
|
||||||
// Verify() ist eine rein lokale Operation gegen einen bereits im Speicher
|
|
||||||
// zwischengespeicherten Schluesselsatz (StaleCache, siehe API-05) — es
|
|
||||||
// findet kein Netzwerk-Roundtrip zu Core statt, daher ist ein niedriger
|
|
||||||
// Millisekunden-Zielwert realistisch, nicht willkuerlich hoch angesetzt.
|
|
||||||
func TestLoad_JWTVerificationLatencyUnderSixModuleLoad(t *testing.T) {
|
|
||||||
km, err := moduletrust.NewKeyManager()
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("keymanager: %v", err)
|
|
||||||
}
|
|
||||||
if _, err := km.Rotate(); err != nil {
|
|
||||||
t.Fatalf("rotate: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
verifier := moduletrust.NewVerifier(time.Minute, func(ctx context.Context) (map[string]ed25519.PublicKey, error) {
|
|
||||||
return km.PublicKeySet(), nil
|
|
||||||
})
|
|
||||||
|
|
||||||
const requestsPerModule = 200
|
|
||||||
totalRequests := simulatedModuleCount * requestsPerModule
|
|
||||||
|
|
||||||
tokens := make([]string, totalRequests)
|
|
||||||
for i := 0; i < totalRequests; i++ {
|
|
||||||
tok, err := km.Issue("user-1", fmt.Sprintf("tenant-%d", i%50), 5*time.Minute)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("issue: %v", err)
|
|
||||||
}
|
|
||||||
tokens[i] = tok
|
|
||||||
}
|
|
||||||
|
|
||||||
latencies := make([]time.Duration, totalRequests)
|
|
||||||
var wg sync.WaitGroup
|
|
||||||
for module := 0; module < simulatedModuleCount; module++ {
|
|
||||||
wg.Add(1)
|
|
||||||
go func(moduleIdx int) {
|
|
||||||
defer wg.Done()
|
|
||||||
for i := 0; i < requestsPerModule; i++ {
|
|
||||||
idx := moduleIdx*requestsPerModule + i
|
|
||||||
start := time.Now()
|
|
||||||
if _, err := verifier.Verify(context.Background(), tokens[idx]); err != nil {
|
|
||||||
t.Errorf("verify: %v", err)
|
|
||||||
return
|
|
||||||
}
|
|
||||||
latencies[idx] = time.Since(start)
|
|
||||||
}
|
|
||||||
}(module)
|
|
||||||
}
|
|
||||||
wg.Wait()
|
|
||||||
|
|
||||||
sort.Slice(latencies, func(i, j int) bool { return latencies[i] < latencies[j] })
|
|
||||||
p95 := latencies[int(float64(len(latencies))*0.95)]
|
|
||||||
max := latencies[len(latencies)-1]
|
|
||||||
|
|
||||||
t.Logf("JWT-Verifikation unter Last: %d module x %d anfragen = %d gesamt. p95=%s, max=%s, ziel=p95<10ms",
|
|
||||||
simulatedModuleCount, requestsPerModule, totalRequests, p95, max)
|
|
||||||
|
|
||||||
if p95 >= 10*time.Millisecond {
|
|
||||||
t.Fatalf("p95-latenz = %s, ziel war unter 10ms", p95)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 2 + Pruefung 2: Connection-Pooling bleibt unter der
|
|
||||||
// Postgres-Verbindungsobergrenze bei simulierter Vielzahl an Mandanten.
|
|
||||||
//
|
|
||||||
// Zielwert: bei 200 simulierten Mandanten, auf die sechs Module gleichzeitig
|
|
||||||
// zugreifen, bleiben NIE mehr als maxOpen=20 Pools gleichzeitig offen (LRU-
|
|
||||||
// Verdraengung greift) — weit unter einer typischen Postgres
|
|
||||||
// max_connections-Grenze (Default 100).
|
|
||||||
func TestLoad_ConnectionPoolingStaysUnderLimitWithManySimulatedTenants(t *testing.T) {
|
|
||||||
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)
|
|
||||||
}
|
|
||||||
defer pool.Close()
|
|
||||||
|
|
||||||
if _, err := pool.Exec(ctx, `
|
|
||||||
CREATE TABLE IF NOT EXISTS tenants (
|
|
||||||
id UUID PRIMARY KEY DEFAULT gen_random_uuid(), slug TEXT NOT NULL UNIQUE, name TEXT NOT NULL,
|
|
||||||
db_name TEXT NOT NULL UNIQUE, db_dsn TEXT NOT NULL, status TEXT NOT NULL DEFAULT 'active',
|
|
||||||
created_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
|
||||||
);
|
|
||||||
`); err != nil {
|
|
||||||
t.Fatalf("schema: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
registry := tenant.NewRegistry(pool)
|
|
||||||
const simulatedTenants = 200
|
|
||||||
const maxOpen = 20
|
|
||||||
|
|
||||||
prefix := fmt.Sprintf("qa08_%d", time.Now().UnixNano())
|
|
||||||
slugs := make([]string, simulatedTenants)
|
|
||||||
for i := 0; i < simulatedTenants; i++ {
|
|
||||||
slug := fmt.Sprintf("%s_%d", prefix, i)
|
|
||||||
slugs[i] = slug
|
|
||||||
// DSN muss nur SYNTAKTISCH gueltig sein — pgxpool.New verbindet
|
|
||||||
// erst lazy bei tatsaechlicher Nutzung, fuer diesen Lasttest zaehlt
|
|
||||||
// ausschliesslich die Zahl offener *Pool-Objekte*, nicht ob die
|
|
||||||
// referenzierte Datenbank real existiert.
|
|
||||||
dsn := fmt.Sprintf("postgresql://nexarch_test:unused@localhost:5432/%s?sslmode=disable", slug)
|
|
||||||
if _, err := pool.Exec(ctx, `
|
|
||||||
INSERT INTO tenants (slug, name, db_name, db_dsn) VALUES ($1, $1, $1, $2)
|
|
||||||
`, slug, dsn); err != nil {
|
|
||||||
t.Fatalf("tenant %s anlegen: %v", slug, err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
t.Cleanup(func() {
|
|
||||||
_, _ = pool.Exec(context.Background(), `DELETE FROM tenants WHERE slug LIKE $1`, prefix+"%")
|
|
||||||
})
|
|
||||||
|
|
||||||
router := tenant.NewRouter(registry, maxOpen)
|
|
||||||
defer router.Close()
|
|
||||||
|
|
||||||
var maxObservedOpen int64
|
|
||||||
var wg sync.WaitGroup
|
|
||||||
for module := 0; module < simulatedModuleCount; module++ {
|
|
||||||
wg.Add(1)
|
|
||||||
go func(moduleIdx int) {
|
|
||||||
defer wg.Done()
|
|
||||||
for i := 0; i < simulatedTenants; i++ {
|
|
||||||
slug := slugs[(i+moduleIdx*37)%simulatedTenants] // module-uebergreifend gemischter zugriff
|
|
||||||
if _, err := router.Resolve(context.Background(), slug); err != nil {
|
|
||||||
t.Errorf("resolve %s: %v", slug, err)
|
|
||||||
return
|
|
||||||
}
|
|
||||||
if current := int64(router.OpenCount()); current > atomic.LoadInt64(&maxObservedOpen) {
|
|
||||||
atomic.StoreInt64(&maxObservedOpen, current)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}(module)
|
|
||||||
}
|
|
||||||
wg.Wait()
|
|
||||||
|
|
||||||
t.Logf("connection-pooling unter last: %d simulierte mandanten, %d module, max. gleichzeitig beobachtete offene pools = %d (ziel: <= %d)",
|
|
||||||
simulatedTenants, simulatedModuleCount, maxObservedOpen, maxOpen)
|
|
||||||
|
|
||||||
if maxObservedOpen > int64(maxOpen) {
|
|
||||||
t.Fatalf("max. beobachtete offene pools = %d, ziel war <= %d", maxObservedOpen, maxOpen)
|
|
||||||
}
|
|
||||||
if router.OpenCount() > maxOpen {
|
|
||||||
t.Fatalf("finale offene pools = %d, ziel war <= %d", router.OpenCount(), maxOpen)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 3 + Pruefung 3: Rate-Limiting funktioniert korrekt
|
|
||||||
// unter Mehrinstanz-Last (mehrere "Core-Instanzen" mit geteiltem Postgres-
|
|
||||||
// Zustand) aus sechs gleichzeitig zugreifenden Modulen, nicht nur im
|
|
||||||
// Einzelinstanz-Test (der bereits in API-03 abgedeckt ist).
|
|
||||||
//
|
|
||||||
// Zielwert: bei konfiguriertem Limit=500 und insgesamt 1200 Anfragen ueber
|
|
||||||
// DREI simulierte Core-Instanzen (separate Pools/Store-Objekte) hinweg
|
|
||||||
// werden EXAKT 500 Anfragen erlaubt — kein Overcounting durch fehlende
|
|
||||||
// Koordination zwischen den Instanzen, kein Undercounting durch verlorene
|
|
||||||
// Updates.
|
|
||||||
func TestLoad_RateLimitingCorrectAcrossMultipleInstancesUnderSixModuleLoad(t *testing.T) {
|
|
||||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
|
||||||
if adminDSN == "" {
|
|
||||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
|
||||||
}
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
const instanceCount = 3
|
|
||||||
pools := make([]*pgxpool.Pool, instanceCount)
|
|
||||||
stores := make([]*ratelimit.Store, instanceCount)
|
|
||||||
for i := 0; i < instanceCount; i++ {
|
|
||||||
p, err := pgxpool.New(ctx, adminDSN)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("pool %d: %v", i, err)
|
|
||||||
}
|
|
||||||
defer p.Close()
|
|
||||||
if i == 0 {
|
|
||||||
if _, err := p.Exec(ctx, `
|
|
||||||
CREATE TABLE IF NOT EXISTS rate_limit_configs (
|
|
||||||
key TEXT PRIMARY KEY, limit_value INT NOT NULL, window_seconds INT NOT NULL
|
|
||||||
);
|
|
||||||
CREATE TABLE IF NOT EXISTS rate_limit_counters (
|
|
||||||
key TEXT NOT NULL, window_start TIMESTAMPTZ NOT NULL, count INT NOT NULL DEFAULT 0,
|
|
||||||
PRIMARY KEY (key, window_start)
|
|
||||||
);
|
|
||||||
`); err != nil {
|
|
||||||
t.Fatalf("schema: %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
pools[i] = p
|
|
||||||
stores[i] = ratelimit.NewStore(p)
|
|
||||||
}
|
|
||||||
|
|
||||||
key := fmt.Sprintf("qa08-key-%d", time.Now().UnixNano())
|
|
||||||
const limit = 500
|
|
||||||
if err := stores[0].SetLimit(ctx, key, limit, time.Minute); err != nil {
|
|
||||||
t.Fatalf("setlimit: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
const totalRequests = 1200 // simulierte last aus sechs modulen ueber drei instanzen, deutlich ueber dem limit von 500
|
|
||||||
var allowedCount int64
|
|
||||||
var wg sync.WaitGroup
|
|
||||||
for i := 0; i < totalRequests; i++ {
|
|
||||||
wg.Add(1)
|
|
||||||
instance := stores[i%instanceCount] // request "kommt" reihum von einer der drei core-instanzen
|
|
||||||
go func(s *ratelimit.Store) {
|
|
||||||
defer wg.Done()
|
|
||||||
res, err := s.Allow(ctx, key)
|
|
||||||
if err != nil {
|
|
||||||
t.Errorf("allow: %v", err)
|
|
||||||
return
|
|
||||||
}
|
|
||||||
if res.Allowed {
|
|
||||||
atomic.AddInt64(&allowedCount, 1)
|
|
||||||
}
|
|
||||||
}(instance)
|
|
||||||
}
|
|
||||||
wg.Wait()
|
|
||||||
|
|
||||||
t.Logf("rate-limiting unter mehrinstanz-last: %d anfragen ueber %d instanzen, limit=%d, tatsaechlich erlaubt=%d",
|
|
||||||
totalRequests, instanceCount, limit, allowedCount)
|
|
||||||
|
|
||||||
if allowedCount != limit {
|
|
||||||
t.Fatalf("erlaubte anfragen ueber alle instanzen = %d, ziel war exakt %d (geteilter, korrekter zustand)", allowedCount, limit)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,86 +0,0 @@
|
|||||||
package moduletrust
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"fmt"
|
|
||||||
"sync"
|
|
||||||
"time"
|
|
||||||
)
|
|
||||||
|
|
||||||
// StaleCache ist der generische Rechte-/Feature-Flag-Cache-Kontrakt
|
|
||||||
// (Akzeptanzkriterium 2): TTL-basiert, mit explizitem, benanntem Verhalten
|
|
||||||
// bei abgelaufenem Cache waehrend Core nicht erreichbar ist.
|
|
||||||
//
|
|
||||||
// - Get: FAIL-OPEN fuer Lesevorgaenge. Schlaegt der Refresh fehl, aber es
|
|
||||||
// gibt bereits einen (wenn auch abgelaufenen) Stand, wird dieser mit
|
|
||||||
// stale=true zurueckgegeben — Begruendung: ein bereits authentifiziertes
|
|
||||||
// Modul soll mit dem letztbekannten Stand weiterarbeiten koennen statt
|
|
||||||
// hart zu blockieren (siehe "Bekannte Fehler vermeiden" im Ticket).
|
|
||||||
// Existiert noch nie ein Stand, gibt es keinen sinnvollen Fallback —
|
|
||||||
// dann liefert auch Get einen Fehler.
|
|
||||||
// - RequireFresh: FAIL-CLOSED fuer sicherheitskritische Aktionen (z.B.
|
|
||||||
// ein komplett NEUER Login). Nutzt NIEMALS einen zwischengespeicherten
|
|
||||||
// Stand, ruft immer frisch ab — Begruendung: eine neue Vertrauens-
|
|
||||||
// entscheidung darf nicht auf veralteten Daten beruhen, auch wenn das
|
|
||||||
// bedeutet, dass die Aktion bei Core-Ausfall sichtbar fehlschlaegt statt
|
|
||||||
// unsicher "irgendwie" durchgelassen zu werden.
|
|
||||||
//
|
|
||||||
// LIC-02 (internal/flag.Service) implementiert bereits denselben Kontrakt
|
|
||||||
// fuer Feature-Flags — StaleCache verallgemeinert dasselbe Muster fuer
|
|
||||||
// JWT-Signaturschluessel, damit beide Faelle derselben dokumentierten
|
|
||||||
// Policy folgen.
|
|
||||||
type StaleCache[T any] struct {
|
|
||||||
mu sync.RWMutex
|
|
||||||
value T
|
|
||||||
hasValue bool
|
|
||||||
fetchedAt time.Time
|
|
||||||
ttl time.Duration
|
|
||||||
fetch func(ctx context.Context) (T, error)
|
|
||||||
}
|
|
||||||
|
|
||||||
func NewStaleCache[T any](ttl time.Duration, fetch func(ctx context.Context) (T, error)) *StaleCache[T] {
|
|
||||||
return &StaleCache[T]{ttl: ttl, fetch: fetch}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Get liefert den Cache-Wert. FAIL-OPEN: bei Refresh-Fehler wird ein
|
|
||||||
// vorhandener, ggf. abgelaufener Stand zurueckgegeben (stale=true).
|
|
||||||
func (c *StaleCache[T]) Get(ctx context.Context) (value T, stale bool, err error) {
|
|
||||||
c.mu.RLock()
|
|
||||||
fresh := c.hasValue && time.Since(c.fetchedAt) < c.ttl
|
|
||||||
if fresh {
|
|
||||||
v := c.value
|
|
||||||
c.mu.RUnlock()
|
|
||||||
return v, false, nil
|
|
||||||
}
|
|
||||||
c.mu.RUnlock()
|
|
||||||
|
|
||||||
newVal, fetchErr := c.fetch(ctx)
|
|
||||||
if fetchErr == nil {
|
|
||||||
c.mu.Lock()
|
|
||||||
c.value, c.hasValue, c.fetchedAt = newVal, true, time.Now()
|
|
||||||
c.mu.Unlock()
|
|
||||||
return newVal, false, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
c.mu.RLock()
|
|
||||||
defer c.mu.RUnlock()
|
|
||||||
if c.hasValue {
|
|
||||||
return c.value, true, nil
|
|
||||||
}
|
|
||||||
var zero T
|
|
||||||
return zero, false, fmt.Errorf("cache leer und refresh fehlgeschlagen: %w", fetchErr)
|
|
||||||
}
|
|
||||||
|
|
||||||
// RequireFresh ruft IMMER frisch ab (FAIL-CLOSED) — fuer sicherheitskritische
|
|
||||||
// Aktionen, die niemals auf einem zwischengespeicherten Stand basieren duerfen.
|
|
||||||
func (c *StaleCache[T]) RequireFresh(ctx context.Context) (T, error) {
|
|
||||||
v, err := c.fetch(ctx)
|
|
||||||
if err != nil {
|
|
||||||
var zero T
|
|
||||||
return zero, fmt.Errorf("core nicht erreichbar, sicherheitskritische aktion abgelehnt: %w", err)
|
|
||||||
}
|
|
||||||
c.mu.Lock()
|
|
||||||
c.value, c.hasValue, c.fetchedAt = v, true, time.Now()
|
|
||||||
c.mu.Unlock()
|
|
||||||
return v, nil
|
|
||||||
}
|
|
||||||
@@ -1,79 +0,0 @@
|
|||||||
package moduletrust
|
|
||||||
|
|
||||||
import (
|
|
||||||
"encoding/base64"
|
|
||||||
"encoding/json"
|
|
||||||
"fmt"
|
|
||||||
"net/http"
|
|
||||||
"time"
|
|
||||||
|
|
||||||
"github.com/golang-jwt/jwt/v5"
|
|
||||||
)
|
|
||||||
|
|
||||||
type Claims struct {
|
|
||||||
Subject string `json:"sub"`
|
|
||||||
TenantSlug string `json:"tenant"`
|
|
||||||
jwt.RegisteredClaims
|
|
||||||
}
|
|
||||||
|
|
||||||
// Issue signiert ein Token mit dem aktuellen Signierschluessel und traegt
|
|
||||||
// dessen KID im JWT-Header ein — der Verifier auf Modulseite waehlt darueber
|
|
||||||
// den passenden oeffentlichen Schluessel aus PublicKeySet() aus.
|
|
||||||
func (m *KeyManager) Issue(subject, tenantSlug string, ttl time.Duration) (string, error) {
|
|
||||||
key, err := m.SigningKey()
|
|
||||||
if err != nil {
|
|
||||||
return "", err
|
|
||||||
}
|
|
||||||
|
|
||||||
now := time.Now()
|
|
||||||
claims := Claims{
|
|
||||||
Subject: subject,
|
|
||||||
TenantSlug: tenantSlug,
|
|
||||||
RegisteredClaims: jwt.RegisteredClaims{
|
|
||||||
IssuedAt: jwt.NewNumericDate(now),
|
|
||||||
ExpiresAt: jwt.NewNumericDate(now.Add(ttl)),
|
|
||||||
},
|
|
||||||
}
|
|
||||||
token := jwt.NewWithClaims(jwt.SigningMethodEdDSA, claims)
|
|
||||||
token.Header["kid"] = key.KID
|
|
||||||
return token.SignedString(key.Private)
|
|
||||||
}
|
|
||||||
|
|
||||||
type jwksResponse struct {
|
|
||||||
Keys []jwksKey `json:"keys"`
|
|
||||||
}
|
|
||||||
|
|
||||||
type jwksKey struct {
|
|
||||||
Kid string `json:"kid"`
|
|
||||||
PublicKey string `json:"public_key"` // base64 (raw Ed25519, 32 Byte)
|
|
||||||
}
|
|
||||||
|
|
||||||
// ServeJWKS liefert alle bekannten oeffentlichen Schluessel als JSON —
|
|
||||||
// Module fragen dies periodisch ab (nicht pro Request), siehe Verifier.
|
|
||||||
func (m *KeyManager) ServeJWKS(w http.ResponseWriter, r *http.Request) {
|
|
||||||
set := m.PublicKeySet()
|
|
||||||
resp := jwksResponse{Keys: make([]jwksKey, 0, len(set))}
|
|
||||||
for kid, pub := range set {
|
|
||||||
resp.Keys = append(resp.Keys, jwksKey{Kid: kid, PublicKey: base64.StdEncoding.EncodeToString(pub)})
|
|
||||||
}
|
|
||||||
w.Header().Set("Content-Type", "application/json")
|
|
||||||
_ = json.NewEncoder(w).Encode(resp)
|
|
||||||
}
|
|
||||||
|
|
||||||
// ParseJWKS dekodiert die JSON-Antwort von ServeJWKS zurueck in kid->PublicKey
|
|
||||||
// — Hilfsfunktion fuer Module, die JWKS per HTTP abrufen.
|
|
||||||
func ParseJWKS(data []byte) (map[string][]byte, error) {
|
|
||||||
var resp jwksResponse
|
|
||||||
if err := json.Unmarshal(data, &resp); err != nil {
|
|
||||||
return nil, fmt.Errorf("jwks parsen: %w", err)
|
|
||||||
}
|
|
||||||
out := make(map[string][]byte, len(resp.Keys))
|
|
||||||
for _, k := range resp.Keys {
|
|
||||||
raw, err := base64.StdEncoding.DecodeString(k.PublicKey)
|
|
||||||
if err != nil {
|
|
||||||
return nil, fmt.Errorf("oeffentlichen schluessel %q dekodieren: %w", k.Kid, err)
|
|
||||||
}
|
|
||||||
out[k.Kid] = raw
|
|
||||||
}
|
|
||||||
return out, nil
|
|
||||||
}
|
|
||||||
@@ -1,83 +0,0 @@
|
|||||||
// Package moduletrust implementiert Core API-05: asymmetrische JWT-Signatur
|
|
||||||
// mit Schluesselverteilung (JWKS), damit DMS/Mail/Archive/Workflow JWTs
|
|
||||||
// LOKAL verifizieren koennen, ohne pro Aufruf einen synchronen Request an
|
|
||||||
// Core zu stellen — Core darf Fundament sein, ohne zum Flaschenhals zu
|
|
||||||
// werden (siehe Entscheidungsverlauf "Vertrauensstellung Core<->Module" in
|
|
||||||
// nexarch-state.json). IAM-02s HS256-Session-Cookie (Browser-Login) bleibt
|
|
||||||
// unangetastet — dies ist ein zusaetzlicher, getrennter Vertrauensmechanismus
|
|
||||||
// fuer Modul-zu-Modul/Modul-zu-Core-Aufrufe.
|
|
||||||
package moduletrust
|
|
||||||
|
|
||||||
import (
|
|
||||||
"crypto/ed25519"
|
|
||||||
"crypto/rand"
|
|
||||||
"encoding/hex"
|
|
||||||
"fmt"
|
|
||||||
"sync"
|
|
||||||
)
|
|
||||||
|
|
||||||
type KeyPair struct {
|
|
||||||
KID string
|
|
||||||
Private ed25519.PrivateKey
|
|
||||||
Public ed25519.PublicKey
|
|
||||||
}
|
|
||||||
|
|
||||||
// KeyManager haelt ALLE noch gueltigen Schluesselpaare — nicht nur das
|
|
||||||
// aktuell signierende. Rotate erzeugt ein neues Paar und behaelt die alten
|
|
||||||
// fuer die Verifikation bereits ausgestellter Tokens (Akzeptanzkriterium 3:
|
|
||||||
// Rotation ohne Ausfallzeit fuer andere Module).
|
|
||||||
type KeyManager struct {
|
|
||||||
mu sync.RWMutex
|
|
||||||
keys []KeyPair // aeltestes zuerst, neuestes zuletzt
|
|
||||||
}
|
|
||||||
|
|
||||||
func NewKeyManager() (*KeyManager, error) {
|
|
||||||
m := &KeyManager{}
|
|
||||||
if _, err := m.Rotate(); err != nil {
|
|
||||||
return nil, err
|
|
||||||
}
|
|
||||||
return m, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// Rotate erzeugt ein neues Ed25519-Schluesselpaar mit eigener KID und macht
|
|
||||||
// es zum aktuellen Signierschluessel. Aeltere Schluessel bleiben in
|
|
||||||
// PublicKeySet() erhalten, damit bereits ausgestellte Tokens weiterhin
|
|
||||||
// verifizierbar sind.
|
|
||||||
func (m *KeyManager) Rotate() (KeyPair, error) {
|
|
||||||
pub, priv, err := ed25519.GenerateKey(nil)
|
|
||||||
if err != nil {
|
|
||||||
return KeyPair{}, fmt.Errorf("schluesselpaar erzeugen: %w", err)
|
|
||||||
}
|
|
||||||
kidBytes := make([]byte, 8)
|
|
||||||
if _, err := rand.Read(kidBytes); err != nil {
|
|
||||||
return KeyPair{}, fmt.Errorf("kid erzeugen: %w", err)
|
|
||||||
}
|
|
||||||
kp := KeyPair{KID: hex.EncodeToString(kidBytes), Private: priv, Public: pub}
|
|
||||||
|
|
||||||
m.mu.Lock()
|
|
||||||
m.keys = append(m.keys, kp)
|
|
||||||
m.mu.Unlock()
|
|
||||||
return kp, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// SigningKey liefert den aktuellen (neuesten) Schluessel zum Signieren neuer Tokens.
|
|
||||||
func (m *KeyManager) SigningKey() (KeyPair, error) {
|
|
||||||
m.mu.RLock()
|
|
||||||
defer m.mu.RUnlock()
|
|
||||||
if len(m.keys) == 0 {
|
|
||||||
return KeyPair{}, fmt.Errorf("moduletrust: kein schluessel vorhanden")
|
|
||||||
}
|
|
||||||
return m.keys[len(m.keys)-1], nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// PublicKeySet liefert ALLE bekannten oeffentlichen Schluessel (kid ->
|
|
||||||
// public key) — die Grundlage fuer den JWKS-Endpunkt.
|
|
||||||
func (m *KeyManager) PublicKeySet() map[string]ed25519.PublicKey {
|
|
||||||
m.mu.RLock()
|
|
||||||
defer m.mu.RUnlock()
|
|
||||||
out := make(map[string]ed25519.PublicKey, len(m.keys))
|
|
||||||
for _, k := range m.keys {
|
|
||||||
out[k.KID] = k.Public
|
|
||||||
}
|
|
||||||
return out
|
|
||||||
}
|
|
||||||
@@ -1,214 +0,0 @@
|
|||||||
package moduletrust
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"crypto/ed25519"
|
|
||||||
"errors"
|
|
||||||
"net/http"
|
|
||||||
"sync"
|
|
||||||
"testing"
|
|
||||||
"time"
|
|
||||||
)
|
|
||||||
|
|
||||||
func TestIssueAndVerify_RoundTrip(t *testing.T) {
|
|
||||||
km, err := NewKeyManager()
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("new key manager: %v", err)
|
|
||||||
}
|
|
||||||
token, err := km.Issue("user-1", "acme", time.Hour)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("issue: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
v := NewVerifier(time.Hour, func(ctx context.Context) (map[string]ed25519.PublicKey, error) {
|
|
||||||
return km.PublicKeySet(), nil
|
|
||||||
})
|
|
||||||
claims, err := v.Verify(context.Background(), token)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("verify: %v", err)
|
|
||||||
}
|
|
||||||
if claims.Subject != "user-1" || claims.TenantSlug != "acme" {
|
|
||||||
t.Fatalf("claims unerwartet: %+v", claims)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 1: Verifikation lokal, kein Request pro Aufruf.
|
|
||||||
func TestVerify_DoesNotFetchPerCall(t *testing.T) {
|
|
||||||
km, err := NewKeyManager()
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("new key manager: %v", err)
|
|
||||||
}
|
|
||||||
token, err := km.Issue("user-1", "acme", time.Hour)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("issue: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
var mu sync.Mutex
|
|
||||||
fetchCalls := 0
|
|
||||||
v := NewVerifier(time.Hour, func(ctx context.Context) (map[string]ed25519.PublicKey, error) {
|
|
||||||
mu.Lock()
|
|
||||||
fetchCalls++
|
|
||||||
mu.Unlock()
|
|
||||||
return km.PublicKeySet(), nil
|
|
||||||
})
|
|
||||||
|
|
||||||
for i := 0; i < 10; i++ {
|
|
||||||
if _, err := v.Verify(context.Background(), token); err != nil {
|
|
||||||
t.Fatalf("verify %d: %v", i, err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
mu.Lock()
|
|
||||||
defer mu.Unlock()
|
|
||||||
if fetchCalls != 1 {
|
|
||||||
t.Fatalf("erwartet genau 1 fetch fuer 10 Verify-Aufrufe innerhalb der TTL, habe %d", fetchCalls)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 2 + Pruefung 1: Core simuliert nicht erreichbar,
|
|
||||||
// bereits authentifizierte Nutzer bleiben funktionsfaehig (Fail-Open mit
|
|
||||||
// letztbekanntem Schluesselstand).
|
|
||||||
func TestVerify_FailsOpenWhenCoreUnreachableButStaleKeysExist(t *testing.T) {
|
|
||||||
km, err := NewKeyManager()
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("new key manager: %v", err)
|
|
||||||
}
|
|
||||||
token, err := km.Issue("user-1", "acme", time.Hour)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("issue: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
coreDown := false
|
|
||||||
v := NewVerifier(30*time.Millisecond, func(ctx context.Context) (map[string]ed25519.PublicKey, error) {
|
|
||||||
if coreDown {
|
|
||||||
return nil, errors.New("core nicht erreichbar (simuliert)")
|
|
||||||
}
|
|
||||||
return km.PublicKeySet(), nil
|
|
||||||
})
|
|
||||||
|
|
||||||
// Cache vorwaermen, waehrend Core noch erreichbar ist.
|
|
||||||
if _, err := v.Verify(context.Background(), token); err != nil {
|
|
||||||
t.Fatalf("verify (warm): %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
// "Core abschalten" und TTL ablaufen lassen.
|
|
||||||
coreDown = true
|
|
||||||
time.Sleep(50 * time.Millisecond)
|
|
||||||
|
|
||||||
if _, err := v.Verify(context.Background(), token); err != nil {
|
|
||||||
t.Fatalf("verify sollte trotz core-ausfall mit letztbekanntem stand funktionieren: %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 2 + Pruefung 2: neue sicherheitskritische Aktionen
|
|
||||||
// (z.B. neuer Login) schlagen bei Core-Ausfall klar fehl statt unsicher
|
|
||||||
// durchgelassen zu werden — auch wenn ein (aelterer) Cache-Stand existiert.
|
|
||||||
func TestRequireFreshKeys_FailsClosedWhenCoreUnreachable(t *testing.T) {
|
|
||||||
km, err := NewKeyManager()
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("new key manager: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
coreDown := false
|
|
||||||
v := NewVerifier(time.Hour, func(ctx context.Context) (map[string]ed25519.PublicKey, error) {
|
|
||||||
if coreDown {
|
|
||||||
return nil, errors.New("core nicht erreichbar (simuliert)")
|
|
||||||
}
|
|
||||||
return km.PublicKeySet(), nil
|
|
||||||
})
|
|
||||||
|
|
||||||
// Cache vorwaermen (existiert jetzt ein "veralteter" gueltiger Stand).
|
|
||||||
if _, _, err := v.cache.Get(context.Background()); err != nil {
|
|
||||||
t.Fatalf("warm cache: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
coreDown = true
|
|
||||||
if err := v.RequireFreshKeys(context.Background()); err == nil {
|
|
||||||
t.Fatal("erwartet fehler (fail-closed) bei core-ausfall, habe nil")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 3 + Pruefung 3: Schluesselrotation ohne Ausfallzeit —
|
|
||||||
// ein bereits ausgestelltes Token bleibt nach Rotation weiterhin
|
|
||||||
// verifizierbar, ein zweites (simuliertes) Modul bekommt beide Schluessel.
|
|
||||||
func TestRotate_NoDowntimeForAlreadyIssuedTokens(t *testing.T) {
|
|
||||||
km, err := NewKeyManager()
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("new key manager: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
oldToken, err := km.Issue("user-1", "acme", time.Hour)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("issue (alt): %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
if _, err := km.Rotate(); err != nil {
|
|
||||||
t.Fatalf("rotate: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
newToken, err := km.Issue("user-2", "acme", time.Hour)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("issue (neu): %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
// Simuliertes zweites Modul: fragt den vollstaendigen Schluesselsatz ab.
|
|
||||||
moduleB := NewVerifier(time.Hour, func(ctx context.Context) (map[string]ed25519.PublicKey, error) {
|
|
||||||
return km.PublicKeySet(), nil
|
|
||||||
})
|
|
||||||
|
|
||||||
if _, err := moduleB.Verify(context.Background(), oldToken); err != nil {
|
|
||||||
t.Fatalf("altes token sollte nach rotation weiterhin gueltig sein: %v", err)
|
|
||||||
}
|
|
||||||
if _, err := moduleB.Verify(context.Background(), newToken); err != nil {
|
|
||||||
t.Fatalf("neues token sollte gueltig sein: %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
func TestVerify_RejectsUnknownKid(t *testing.T) {
|
|
||||||
km1, _ := NewKeyManager()
|
|
||||||
km2, _ := NewKeyManager() // komplett anderer, unbekannter schluessel
|
|
||||||
|
|
||||||
token, err := km1.Issue("user-1", "acme", time.Hour)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("issue: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
v := NewVerifier(time.Hour, func(ctx context.Context) (map[string]ed25519.PublicKey, error) {
|
|
||||||
return km2.PublicKeySet(), nil // kennt km1s schluessel nicht
|
|
||||||
})
|
|
||||||
if _, err := v.Verify(context.Background(), token); !errors.Is(err, ErrInvalidToken) {
|
|
||||||
t.Fatalf("erwartet ErrInvalidToken, habe %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
func TestJWKSRoundTrip(t *testing.T) {
|
|
||||||
km, _ := NewKeyManager()
|
|
||||||
km.Rotate()
|
|
||||||
|
|
||||||
var buf []byte
|
|
||||||
rec := &captureWriter{}
|
|
||||||
km.ServeJWKS(rec, nil)
|
|
||||||
buf = rec.body
|
|
||||||
|
|
||||||
parsed, err := ParseJWKS(buf)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("parse jwks: %v", err)
|
|
||||||
}
|
|
||||||
if len(parsed) != len(km.PublicKeySet()) {
|
|
||||||
t.Fatalf("erwartet %d schluessel, habe %d", len(km.PublicKeySet()), len(parsed))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
type captureWriter struct {
|
|
||||||
body []byte
|
|
||||||
header http.Header
|
|
||||||
}
|
|
||||||
|
|
||||||
func (w *captureWriter) Header() http.Header {
|
|
||||||
if w.header == nil {
|
|
||||||
w.header = http.Header{}
|
|
||||||
}
|
|
||||||
return w.header
|
|
||||||
}
|
|
||||||
func (w *captureWriter) Write(p []byte) (int, error) { w.body = append(w.body, p...); return len(p), nil }
|
|
||||||
func (w *captureWriter) WriteHeader(statusCode int) {}
|
|
||||||
@@ -1,67 +0,0 @@
|
|||||||
package moduletrust
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"crypto/ed25519"
|
|
||||||
"errors"
|
|
||||||
"time"
|
|
||||||
|
|
||||||
"github.com/golang-jwt/jwt/v5"
|
|
||||||
)
|
|
||||||
|
|
||||||
var ErrInvalidToken = errors.New("moduletrust: ungueltiges token")
|
|
||||||
|
|
||||||
// KeyFetchFunc holt den aktuellen Schluesselsatz von Core (z.B. per HTTP-GET
|
|
||||||
// auf ServeJWKS + ParseJWKS). Wird vom Verifier nur bei abgelaufener TTL
|
|
||||||
// aufgerufen — NICHT bei jeder Verify()-Anfrage (Akzeptanzkriterium 1).
|
|
||||||
type KeyFetchFunc func(ctx context.Context) (map[string]ed25519.PublicKey, error)
|
|
||||||
|
|
||||||
// Verifier ist die Modulseite von API-05: verifiziert JWTs LOKAL gegen einen
|
|
||||||
// per StaleCache zwischengespeicherten Schluesselsatz, ohne pro Aufruf einen
|
|
||||||
// synchronen Request an Core zu stellen.
|
|
||||||
type Verifier struct {
|
|
||||||
cache *StaleCache[map[string]ed25519.PublicKey]
|
|
||||||
}
|
|
||||||
|
|
||||||
func NewVerifier(ttl time.Duration, fetch KeyFetchFunc) *Verifier {
|
|
||||||
return &Verifier{cache: NewStaleCache(ttl, func(ctx context.Context) (map[string]ed25519.PublicKey, error) {
|
|
||||||
return fetch(ctx)
|
|
||||||
})}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Verify prueft die Signatur LOKAL gegen den (ggf. abgelaufenen, aber
|
|
||||||
// vorhandenen) Schluesselsatz — FAIL-OPEN fuer bereits ausgestellte Tokens
|
|
||||||
// (Akzeptanzkriterium 2): ist Core nicht erreichbar, aber ein alter
|
|
||||||
// Schluesselsatz bekannt, wird damit weiter verifiziert.
|
|
||||||
func (v *Verifier) Verify(ctx context.Context, tokenString string) (*Claims, error) {
|
|
||||||
keys, _, err := v.cache.Get(ctx)
|
|
||||||
if err != nil {
|
|
||||||
return nil, err
|
|
||||||
}
|
|
||||||
|
|
||||||
claims := &Claims{}
|
|
||||||
token, err := jwt.ParseWithClaims(tokenString, claims, func(t *jwt.Token) (interface{}, error) {
|
|
||||||
if _, ok := t.Method.(*jwt.SigningMethodEd25519); !ok {
|
|
||||||
return nil, ErrInvalidToken
|
|
||||||
}
|
|
||||||
kid, _ := t.Header["kid"].(string)
|
|
||||||
pub, ok := keys[kid]
|
|
||||||
if !ok {
|
|
||||||
return nil, ErrInvalidToken
|
|
||||||
}
|
|
||||||
return pub, nil
|
|
||||||
})
|
|
||||||
if err != nil || !token.Valid {
|
|
||||||
return nil, ErrInvalidToken
|
|
||||||
}
|
|
||||||
return claims, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// RequireFreshKeys ruft IMMER frisch von Core ab (FAIL-CLOSED) — fuer
|
|
||||||
// sicherheitskritische Aktionen wie einen komplett neuen Login
|
|
||||||
// (Akzeptanzkriterium 2): schlaegt klar fehl, wenn Core nicht erreichbar
|
|
||||||
// ist, statt auf einem veralteten Schluesselsatz zu vertrauen.
|
|
||||||
func (v *Verifier) RequireFreshKeys(ctx context.Context) error {
|
|
||||||
_, err := v.cache.RequireFresh(ctx)
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
@@ -1,64 +0,0 @@
|
|||||||
package ratelimit
|
|
||||||
|
|
||||||
import (
|
|
||||||
"fmt"
|
|
||||||
"math"
|
|
||||||
"net/http"
|
|
||||||
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/apiserver"
|
|
||||||
)
|
|
||||||
|
|
||||||
// KeyFunc bestimmt den Rate-Limit-Schluessel fuer eine Anfrage — typischerweise
|
|
||||||
// der Tenant-Slug aus apiserver.RequestContext, siehe KeyByTenant. Als
|
|
||||||
// eigenstaendiger Typ austauschbar (z.B. spaeter API-Token-basiert), ohne
|
|
||||||
// internal/apiserver aendern zu muessen (Kein Umbau angrenzender Bereiche).
|
|
||||||
type KeyFunc func(r *http.Request) (string, bool)
|
|
||||||
|
|
||||||
// KeyByTenant liest den Tenant aus dem von internal/apiserver.authAndTenantContext
|
|
||||||
// gesetzten RequestContext (IAM-02/API-01) — dieselbe Middleware-Kette,
|
|
||||||
// keine zweite Authentifizierung.
|
|
||||||
func KeyByTenant(r *http.Request) (string, bool) {
|
|
||||||
rc, ok := apiserver.FromContext(r.Context())
|
|
||||||
if !ok || rc.TenantSlug == "" {
|
|
||||||
return "", false
|
|
||||||
}
|
|
||||||
return rc.TenantSlug, true
|
|
||||||
}
|
|
||||||
|
|
||||||
// Middleware setzt sich VOR den eigentlichen Handler (nach Auth+Tenant-
|
|
||||||
// Kontext, siehe KeyByTenant) und lehnt Anfragen ueber dem konfigurierten
|
|
||||||
// Limit mit 429 + Retry-After ab (Akzeptanzkriterium 3).
|
|
||||||
func Middleware(store *Store, keyFn KeyFunc, next http.HandlerFunc) http.HandlerFunc {
|
|
||||||
return func(w http.ResponseWriter, r *http.Request) {
|
|
||||||
key, ok := keyFn(r)
|
|
||||||
if !ok {
|
|
||||||
// Kein Schluessel ermittelbar (z.B. kein Tenant-Kontext) — die
|
|
||||||
// Auth-Pruefung selbst ist Sache von authAndTenantContext, hier
|
|
||||||
// wird nur nicht limitiert, wenn schon kein Kontext vorliegt.
|
|
||||||
next(w, r)
|
|
||||||
return
|
|
||||||
}
|
|
||||||
|
|
||||||
result, err := store.Allow(r.Context(), key)
|
|
||||||
if err != nil {
|
|
||||||
apiserver.WriteError(w, http.StatusInternalServerError, "rate_limit_error", "rate-limit-pruefung fehlgeschlagen")
|
|
||||||
return
|
|
||||||
}
|
|
||||||
|
|
||||||
w.Header().Set("X-RateLimit-Limit", fmt.Sprintf("%d", result.Limit))
|
|
||||||
w.Header().Set("X-RateLimit-Remaining", fmt.Sprintf("%d", result.Remaining))
|
|
||||||
|
|
||||||
if !result.Allowed {
|
|
||||||
retryAfterSeconds := int(math.Ceil(result.RetryAfter.Seconds()))
|
|
||||||
if retryAfterSeconds < 1 {
|
|
||||||
retryAfterSeconds = 1
|
|
||||||
}
|
|
||||||
w.Header().Set("Retry-After", fmt.Sprintf("%d", retryAfterSeconds))
|
|
||||||
apiserver.WriteError(w, http.StatusTooManyRequests, "rate_limit_exceeded",
|
|
||||||
"zu viele anfragen, bitte spaeter erneut versuchen")
|
|
||||||
return
|
|
||||||
}
|
|
||||||
|
|
||||||
next(w, r)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,136 +0,0 @@
|
|||||||
package ratelimit
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"net/http"
|
|
||||||
"net/http/httptest"
|
|
||||||
"os"
|
|
||||||
"testing"
|
|
||||||
"time"
|
|
||||||
|
|
||||||
"github.com/jackc/pgx/v5/pgxpool"
|
|
||||||
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/apiserver"
|
|
||||||
"gitea.perlbach24.de/scripte/nexarch/internal/auth"
|
|
||||||
)
|
|
||||||
|
|
||||||
func setupMiddlewareTest(t *testing.T) (*apiserver.Server, *auth.TokenIssuer, *Store, 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 rate_limit_configs (
|
|
||||||
key TEXT PRIMARY KEY, limit_value INT NOT NULL, window_seconds INT NOT NULL
|
|
||||||
);
|
|
||||||
CREATE TABLE IF NOT EXISTS rate_limit_counters (
|
|
||||||
key TEXT NOT NULL, window_start TIMESTAMPTZ NOT NULL, count INT NOT NULL DEFAULT 0,
|
|
||||||
PRIMARY KEY (key, window_start)
|
|
||||||
);
|
|
||||||
`); err != nil {
|
|
||||||
t.Fatalf("schema: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
issuer := auth.NewTokenIssuer("test-secret-nur-fuer-tests")
|
|
||||||
srv := apiserver.NewServer(issuer)
|
|
||||||
store := NewStore(pool)
|
|
||||||
|
|
||||||
cleanup := func() { pool.Close() }
|
|
||||||
return srv, issuer, store, cleanup
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 3 + Pruefung 2: Ueberschreitung liefert 429 mit
|
|
||||||
// Retry-After-Header, ueber die vollstaendige Middleware-Kette (Auth ->
|
|
||||||
// Tenant-Kontext -> Rate-Limit -> Handler) hinweg.
|
|
||||||
func TestMiddleware_Returns429WithRetryAfterOnExceeded(t *testing.T) {
|
|
||||||
srv, issuer, store, cleanup := setupMiddlewareTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
tenantSlug := newTestKey()
|
|
||||||
if err := store.SetLimit(ctx, tenantSlug, 1, time.Minute); err != nil {
|
|
||||||
t.Fatalf("setlimit: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
called := 0
|
|
||||||
srv.HandleV1("/limited", Middleware(store, KeyByTenant, func(w http.ResponseWriter, r *http.Request) {
|
|
||||||
called++
|
|
||||||
w.WriteHeader(http.StatusOK)
|
|
||||||
}))
|
|
||||||
|
|
||||||
token, err := issuer.Issue("user-1", tenantSlug)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("issue: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
req1 := httptest.NewRequest(http.MethodGet, "/api/v1/limited", nil)
|
|
||||||
req1.AddCookie(&http.Cookie{Name: auth.CookieName, Value: token})
|
|
||||||
rec1 := httptest.NewRecorder()
|
|
||||||
srv.Handler().ServeHTTP(rec1, req1)
|
|
||||||
if rec1.Code != http.StatusOK {
|
|
||||||
t.Fatalf("1. anfrage: status = %d, want 200", rec1.Code)
|
|
||||||
}
|
|
||||||
|
|
||||||
req2 := httptest.NewRequest(http.MethodGet, "/api/v1/limited", nil)
|
|
||||||
req2.AddCookie(&http.Cookie{Name: auth.CookieName, Value: token})
|
|
||||||
rec2 := httptest.NewRecorder()
|
|
||||||
srv.Handler().ServeHTTP(rec2, req2)
|
|
||||||
if rec2.Code != http.StatusTooManyRequests {
|
|
||||||
t.Fatalf("2. anfrage: status = %d, want 429", rec2.Code)
|
|
||||||
}
|
|
||||||
if rec2.Header().Get("Retry-After") == "" {
|
|
||||||
t.Fatal("erwartet gesetzten Retry-After-Header bei 429")
|
|
||||||
}
|
|
||||||
if called != 1 {
|
|
||||||
t.Fatalf("handler wurde %d mal aufgerufen, want genau 1 (2. anfrage haette nicht durchgereicht werden duerfen)", called)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 1: das Limit ist pro Tenant konfigurierbar — ein
|
|
||||||
// anderer Tenant (anderer Key) bleibt von der Ausschoepfung unberuehrt.
|
|
||||||
func TestMiddleware_DifferentTenantsHaveIndependentLimits(t *testing.T) {
|
|
||||||
srv, issuer, store, cleanup := setupMiddlewareTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
tenantA := newTestKey()
|
|
||||||
tenantB := newTestKey()
|
|
||||||
if err := store.SetLimit(ctx, tenantA, 1, time.Minute); err != nil {
|
|
||||||
t.Fatalf("setlimit a: %v", err)
|
|
||||||
}
|
|
||||||
if err := store.SetLimit(ctx, tenantB, 1, time.Minute); err != nil {
|
|
||||||
t.Fatalf("setlimit b: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
srv.HandleV1("/limited2", Middleware(store, KeyByTenant, func(w http.ResponseWriter, r *http.Request) {
|
|
||||||
w.WriteHeader(http.StatusOK)
|
|
||||||
}))
|
|
||||||
|
|
||||||
tokenA, _ := issuer.Issue("user-a", tenantA)
|
|
||||||
tokenB, _ := issuer.Issue("user-b", tenantB)
|
|
||||||
|
|
||||||
// Tenant A schoepft sein Limit aus.
|
|
||||||
reqA := httptest.NewRequest(http.MethodGet, "/api/v1/limited2", nil)
|
|
||||||
reqA.AddCookie(&http.Cookie{Name: auth.CookieName, Value: tokenA})
|
|
||||||
recA := httptest.NewRecorder()
|
|
||||||
srv.Handler().ServeHTTP(recA, reqA)
|
|
||||||
if recA.Code != http.StatusOK {
|
|
||||||
t.Fatalf("tenant a, 1. anfrage: status = %d, want 200", recA.Code)
|
|
||||||
}
|
|
||||||
|
|
||||||
// Tenant B ist von der Ausschoepfung bei A unberuehrt.
|
|
||||||
reqB := httptest.NewRequest(http.MethodGet, "/api/v1/limited2", nil)
|
|
||||||
reqB.AddCookie(&http.Cookie{Name: auth.CookieName, Value: tokenB})
|
|
||||||
recB := httptest.NewRecorder()
|
|
||||||
srv.Handler().ServeHTTP(recB, reqB)
|
|
||||||
if recB.Code != http.StatusOK {
|
|
||||||
t.Fatalf("tenant b haette trotz ausgeschoepftem limit von tenant a erlaubt sein muessen, status = %d", recB.Code)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,126 +0,0 @@
|
|||||||
// Package ratelimit implementiert Core API-03: eine zentrale Rate-Limiting-
|
|
||||||
// Schicht fuer die gesamte Core-API mit GETEILTEM, EXTERNEM Zustand in
|
|
||||||
// Postgres — kein In-Process-Zaehler (siehe "Bekannte Fehler vermeiden" im
|
|
||||||
// Ticket: dasselbe Risiko wie bei IAM-07s In-Memory-Lockout). Fixed-Window-
|
|
||||||
// Algorithmus: einfach, korrekt unter nebenlaeufigem Zugriff (atomares
|
|
||||||
// UPSERT wie internal/usage.Store.Increment), und fuer ein API-Gateway
|
|
||||||
// ausreichend praezise — kein Sliding-Window-Overhead noetig.
|
|
||||||
package ratelimit
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"fmt"
|
|
||||||
"time"
|
|
||||||
|
|
||||||
"github.com/jackc/pgx/v5"
|
|
||||||
"github.com/jackc/pgx/v5/pgxpool"
|
|
||||||
)
|
|
||||||
|
|
||||||
// DefaultLimit/DefaultWindow gelten fuer jeden Schluessel (Tenant oder
|
|
||||||
// API-Token), fuer den keine eigene Konfiguration existiert
|
|
||||||
// (Akzeptanzkriterium 1: "konfigurierbar", nicht "verpflichtend konfiguriert").
|
|
||||||
const (
|
|
||||||
DefaultLimit = 100
|
|
||||||
DefaultWindow = time.Minute
|
|
||||||
)
|
|
||||||
|
|
||||||
// Config ist das je Schluessel konfigurierbare Limit.
|
|
||||||
type Config struct {
|
|
||||||
Limit int
|
|
||||||
Window time.Duration
|
|
||||||
}
|
|
||||||
|
|
||||||
// Store haelt Konfiguration UND Zaehlerstand in Postgres — beides ueber
|
|
||||||
// dieselbe Verbindung erreichbar, damit mehrere Dienstinstanzen denselben
|
|
||||||
// Zustand sehen (Akzeptanzkriterium 2).
|
|
||||||
type Store struct {
|
|
||||||
pool *pgxpool.Pool
|
|
||||||
}
|
|
||||||
|
|
||||||
func NewStore(pool *pgxpool.Pool) *Store {
|
|
||||||
return &Store{pool: pool}
|
|
||||||
}
|
|
||||||
|
|
||||||
// SetLimit setzt die Konfiguration fuer EINEN Schluessel (z.B. einen
|
|
||||||
// Tenant-Slug oder eine API-Token-ID) — wirkt sich nicht auf andere
|
|
||||||
// Schluessel aus (Akzeptanzkriterium 1 / Pruefung 3).
|
|
||||||
func (s *Store) SetLimit(ctx context.Context, key string, limit int, window time.Duration) error {
|
|
||||||
_, err := s.pool.Exec(ctx, `
|
|
||||||
INSERT INTO rate_limit_configs (key, limit_value, window_seconds)
|
|
||||||
VALUES ($1, $2, $3)
|
|
||||||
ON CONFLICT (key) DO UPDATE SET limit_value = $2, window_seconds = $3
|
|
||||||
`, key, limit, int(window.Seconds()))
|
|
||||||
if err != nil {
|
|
||||||
return fmt.Errorf("rate-limit-konfiguration speichern: %w", err)
|
|
||||||
}
|
|
||||||
return nil
|
|
||||||
}
|
|
||||||
|
|
||||||
func (s *Store) getConfig(ctx context.Context, key string) (Config, error) {
|
|
||||||
var limit, windowSeconds int
|
|
||||||
err := s.pool.QueryRow(ctx, `
|
|
||||||
SELECT limit_value, window_seconds FROM rate_limit_configs WHERE key = $1
|
|
||||||
`, key).Scan(&limit, &windowSeconds)
|
|
||||||
if err != nil {
|
|
||||||
if err == pgx.ErrNoRows {
|
|
||||||
return Config{Limit: DefaultLimit, Window: DefaultWindow}, nil
|
|
||||||
}
|
|
||||||
return Config{}, fmt.Errorf("rate-limit-konfiguration lesen: %w", err)
|
|
||||||
}
|
|
||||||
return Config{Limit: limit, Window: time.Duration(windowSeconds) * time.Second}, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// Result ist der Ausgang einer Allow-Pruefung (Akzeptanzkriterium 3).
|
|
||||||
type Result struct {
|
|
||||||
Allowed bool
|
|
||||||
Limit int
|
|
||||||
Remaining int
|
|
||||||
RetryAfter time.Duration
|
|
||||||
}
|
|
||||||
|
|
||||||
// Allow erhoeht den Zaehler fuer (key, aktuelles Zeitfenster) ATOMAR ueber
|
|
||||||
// ein einziges UPSERT (dasselbe Muster wie internal/usage.Store.Increment)
|
|
||||||
// und vergleicht das Ergebnis gegen die konfigurierte Grenze — kein
|
|
||||||
// Lesen-Erhoehen-Schreiben in Go, damit zwei Dienstinstanzen, die
|
|
||||||
// gleichzeitig gegen dieselbe Datenbank inkrementieren, sich niemals
|
|
||||||
// gegenseitig ueberschreiben (Akzeptanzkriterium 2 / Pruefung 1).
|
|
||||||
func (s *Store) Allow(ctx context.Context, key string) (Result, error) {
|
|
||||||
cfg, err := s.getConfig(ctx, key)
|
|
||||||
if err != nil {
|
|
||||||
return Result{}, err
|
|
||||||
}
|
|
||||||
|
|
||||||
windowSeconds := int64(cfg.Window.Seconds())
|
|
||||||
if windowSeconds <= 0 {
|
|
||||||
windowSeconds = int64(DefaultWindow.Seconds())
|
|
||||||
}
|
|
||||||
now := time.Now().UTC()
|
|
||||||
windowStart := time.Unix((now.Unix()/windowSeconds)*windowSeconds, 0).UTC()
|
|
||||||
windowEnd := windowStart.Add(time.Duration(windowSeconds) * time.Second)
|
|
||||||
|
|
||||||
var count int
|
|
||||||
err = s.pool.QueryRow(ctx, `
|
|
||||||
INSERT INTO rate_limit_counters (key, window_start, count)
|
|
||||||
VALUES ($1, $2, 1)
|
|
||||||
ON CONFLICT (key, window_start) DO UPDATE
|
|
||||||
SET count = rate_limit_counters.count + 1
|
|
||||||
RETURNING count
|
|
||||||
`, key, windowStart).Scan(&count)
|
|
||||||
if err != nil {
|
|
||||||
return Result{}, fmt.Errorf("rate-limit-zaehler erhoehen: %w", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
remaining := cfg.Limit - count
|
|
||||||
if remaining < 0 {
|
|
||||||
remaining = 0
|
|
||||||
}
|
|
||||||
if count > cfg.Limit {
|
|
||||||
return Result{
|
|
||||||
Allowed: false,
|
|
||||||
Limit: cfg.Limit,
|
|
||||||
Remaining: 0,
|
|
||||||
RetryAfter: windowEnd.Sub(now),
|
|
||||||
}, nil
|
|
||||||
}
|
|
||||||
return Result{Allowed: true, Limit: cfg.Limit, Remaining: remaining}, nil
|
|
||||||
}
|
|
||||||
@@ -1,168 +0,0 @@
|
|||||||
package ratelimit
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"fmt"
|
|
||||||
"os"
|
|
||||||
"sync"
|
|
||||||
"sync/atomic"
|
|
||||||
"testing"
|
|
||||||
"time"
|
|
||||||
|
|
||||||
"github.com/jackc/pgx/v5/pgxpool"
|
|
||||||
)
|
|
||||||
|
|
||||||
func setupTest(t *testing.T) (*pgxpool.Pool, 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 rate_limit_configs (
|
|
||||||
key TEXT PRIMARY KEY, limit_value INT NOT NULL, window_seconds INT NOT NULL
|
|
||||||
);
|
|
||||||
CREATE TABLE IF NOT EXISTS rate_limit_counters (
|
|
||||||
key TEXT NOT NULL, window_start TIMESTAMPTZ NOT NULL, count INT NOT NULL DEFAULT 0,
|
|
||||||
PRIMARY KEY (key, window_start)
|
|
||||||
);
|
|
||||||
`); err != nil {
|
|
||||||
t.Fatalf("schema: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
cleanup := func() { pool.Close() }
|
|
||||||
return pool, cleanup
|
|
||||||
}
|
|
||||||
|
|
||||||
func newTestKey() string {
|
|
||||||
return fmt.Sprintf("test-key-%d", time.Now().UnixNano())
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 3 + Pruefung 2: Ueberschreitung des Limits wird
|
|
||||||
// nachweislich erkannt.
|
|
||||||
func TestAllow_RejectsAfterLimitExceeded(t *testing.T) {
|
|
||||||
pool, cleanup := setupTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
store := NewStore(pool)
|
|
||||||
ctx := context.Background()
|
|
||||||
key := newTestKey()
|
|
||||||
|
|
||||||
if err := store.SetLimit(ctx, key, 3, time.Minute); err != nil {
|
|
||||||
t.Fatalf("setlimit: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
for i := 0; i < 3; i++ {
|
|
||||||
res, err := store.Allow(ctx, key)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("allow %d: %v", i, err)
|
|
||||||
}
|
|
||||||
if !res.Allowed {
|
|
||||||
t.Fatalf("anfrage %d haette erlaubt sein muessen, limit=3", i)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
res, err := store.Allow(ctx, key)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("allow (4.): %v", err)
|
|
||||||
}
|
|
||||||
if res.Allowed {
|
|
||||||
t.Fatal("4. anfrage haette abgelehnt werden muessen (limit=3)")
|
|
||||||
}
|
|
||||||
if res.RetryAfter <= 0 {
|
|
||||||
t.Fatalf("erwartet positive retry-after-dauer, habe %v", res.RetryAfter)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 1 / Pruefung 3: Konfigurationsaenderung wirkt sich
|
|
||||||
// NICHT auf andere Schluessel (Tenants) aus.
|
|
||||||
func TestSetLimit_DoesNotAffectOtherKeys(t *testing.T) {
|
|
||||||
pool, cleanup := setupTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
store := NewStore(pool)
|
|
||||||
ctx := context.Background()
|
|
||||||
keyA := newTestKey()
|
|
||||||
keyB := newTestKey()
|
|
||||||
|
|
||||||
if err := store.SetLimit(ctx, keyA, 1, time.Minute); err != nil {
|
|
||||||
t.Fatalf("setlimit a: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
resA1, _ := store.Allow(ctx, keyA)
|
|
||||||
resA2, _ := store.Allow(ctx, keyA)
|
|
||||||
if !resA1.Allowed || resA2.Allowed {
|
|
||||||
t.Fatalf("key a: erwartet erlaubt,abgelehnt, habe %v,%v", resA1.Allowed, resA2.Allowed)
|
|
||||||
}
|
|
||||||
|
|
||||||
// keyB hat keine eigene Konfiguration -> DefaultLimit, unbeeinflusst von keyA.
|
|
||||||
resB, err := store.Allow(ctx, keyB)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("allow b: %v", err)
|
|
||||||
}
|
|
||||||
if !resB.Allowed {
|
|
||||||
t.Fatal("key b haette trotz limit-ueberschreitung bei key a erlaubt sein muessen")
|
|
||||||
}
|
|
||||||
if resB.Limit != DefaultLimit {
|
|
||||||
t.Fatalf("key b limit = %d, want default %d", resB.Limit, DefaultLimit)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 2 + Pruefung 1: zwei "Dienstinstanzen" (zwei
|
|
||||||
// unabhaengige Pools/Store-Objekte) gegen dieselbe Datenbank setzen
|
|
||||||
// dasselbe Limit korrekt durch — kein In-Process-Zustand kann das leisten.
|
|
||||||
func TestAllow_TwoInstancesShareStateCorrectly(t *testing.T) {
|
|
||||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
|
||||||
if adminDSN == "" {
|
|
||||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
|
||||||
}
|
|
||||||
pool, cleanup := setupTest(t)
|
|
||||||
defer cleanup()
|
|
||||||
|
|
||||||
ctx := context.Background()
|
|
||||||
pool2, err := pgxpool.New(ctx, adminDSN)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("zweiter pool (simuliert zweite instanz): %v", err)
|
|
||||||
}
|
|
||||||
defer pool2.Close()
|
|
||||||
|
|
||||||
storeInstance1 := NewStore(pool)
|
|
||||||
storeInstance2 := NewStore(pool2)
|
|
||||||
|
|
||||||
key := newTestKey()
|
|
||||||
const limit = 20
|
|
||||||
if err := storeInstance1.SetLimit(ctx, key, limit, time.Minute); err != nil {
|
|
||||||
t.Fatalf("setlimit: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
const totalRequests = 50
|
|
||||||
var allowedCount int64
|
|
||||||
var wg sync.WaitGroup
|
|
||||||
for i := 0; i < totalRequests; i++ {
|
|
||||||
wg.Add(1)
|
|
||||||
store := storeInstance1
|
|
||||||
if i%2 == 0 {
|
|
||||||
store = storeInstance2 // Haelfte der Anfragen "kommt" von der zweiten Instanz
|
|
||||||
}
|
|
||||||
go func(s *Store) {
|
|
||||||
defer wg.Done()
|
|
||||||
res, err := s.Allow(ctx, key)
|
|
||||||
if err != nil {
|
|
||||||
t.Errorf("allow: %v", err)
|
|
||||||
return
|
|
||||||
}
|
|
||||||
if res.Allowed {
|
|
||||||
atomic.AddInt64(&allowedCount, 1)
|
|
||||||
}
|
|
||||||
}(store)
|
|
||||||
}
|
|
||||||
wg.Wait()
|
|
||||||
|
|
||||||
if allowedCount != limit {
|
|
||||||
t.Fatalf("erlaubte anfragen ueber beide instanzen = %d, want exakt %d (geteilter zustand)", allowedCount, limit)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -0,0 +1,71 @@
|
|||||||
|
// Package rbac implementiert Core RBAC-01: das Rollenmodell mit
|
||||||
|
// Grundrollen/-rechten, Hierarchie und Zuweisung. Die eigentliche
|
||||||
|
// Durchsetzung (erlaubt/verboten je Request) ist RBAC-02, dieses Paket
|
||||||
|
// liefert nur Modell + Zuweisung (Casbin-Prinzip: Policy-Modell getrennt
|
||||||
|
// von der Entscheidungsfunktion).
|
||||||
|
package rbac
|
||||||
|
|
||||||
|
// Role ist eine der drei Grundrollen. Superadmin lebt mandantenuebergreifend
|
||||||
|
// (siehe internal/user.SuperadminStore aus IAM-01) und wird deshalb NICHT
|
||||||
|
// ueber Store (tenant-gescoped) zugewiesen — die Existenz eines Superadmin-
|
||||||
|
// Kontos IST die Rollenzuweisung.
|
||||||
|
type Role string
|
||||||
|
|
||||||
|
const (
|
||||||
|
RoleSuperadmin Role = "superadmin"
|
||||||
|
RoleTenantAdmin Role = "tenant_admin"
|
||||||
|
RoleUser Role = "user"
|
||||||
|
)
|
||||||
|
|
||||||
|
type Permission string
|
||||||
|
|
||||||
|
const (
|
||||||
|
PermSelfRead Permission = "self.read"
|
||||||
|
PermSelfUpdate Permission = "self.update"
|
||||||
|
PermManageUsers Permission = "tenant.manage_users"
|
||||||
|
PermManageSettings Permission = "tenant.manage_settings"
|
||||||
|
PermManageTenants Permission = "platform.manage_tenants"
|
||||||
|
)
|
||||||
|
|
||||||
|
// parent bildet die Rollenhierarchie ab (Akzeptanzkriterium 2): eine Rolle
|
||||||
|
// erbt alle Rechte ihrer Elternrolle. tenant_admin erbt von user,
|
||||||
|
// superadmin erbt von tenant_admin.
|
||||||
|
var parent = map[Role]Role{
|
||||||
|
RoleTenantAdmin: RoleUser,
|
||||||
|
RoleSuperadmin: RoleTenantAdmin,
|
||||||
|
}
|
||||||
|
|
||||||
|
// direct sind die einer Rolle direkt (ohne Vererbung) zugeordneten Rechte.
|
||||||
|
var direct = map[Role][]Permission{
|
||||||
|
RoleUser: {PermSelfRead, PermSelfUpdate},
|
||||||
|
RoleTenantAdmin: {PermManageUsers, PermManageSettings},
|
||||||
|
RoleSuperadmin: {PermManageTenants},
|
||||||
|
}
|
||||||
|
|
||||||
|
// EffectivePermissions liefert die vollstaendige, ueber die Hierarchie
|
||||||
|
// aufgeloeste Rechtemenge einer Rolle (Akzeptanzkriterium 2 / Pruefung 2).
|
||||||
|
func EffectivePermissions(role Role) []Permission {
|
||||||
|
seen := make(map[Permission]bool)
|
||||||
|
var out []Permission
|
||||||
|
|
||||||
|
for r, ok := role, true; ok; r, ok = parent[r] {
|
||||||
|
for _, p := range direct[r] {
|
||||||
|
if !seen[p] {
|
||||||
|
seen[p] = true
|
||||||
|
out = append(out, p)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return out
|
||||||
|
}
|
||||||
|
|
||||||
|
// HasPermission prueft, ob eine Rolle (inklusive geerbter Rechte) ein
|
||||||
|
// bestimmtes Recht besitzt.
|
||||||
|
func HasPermission(role Role, perm Permission) bool {
|
||||||
|
for _, p := range EffectivePermissions(role) {
|
||||||
|
if p == perm {
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return false
|
||||||
|
}
|
||||||
@@ -0,0 +1,124 @@
|
|||||||
|
package rbac
|
||||||
|
|
||||||
|
import (
|
||||||
|
"context"
|
||||||
|
"errors"
|
||||||
|
"fmt"
|
||||||
|
|
||||||
|
"github.com/jackc/pgx/v5"
|
||||||
|
"github.com/jackc/pgx/v5/pgxpool"
|
||||||
|
)
|
||||||
|
|
||||||
|
var (
|
||||||
|
// ErrRoleNotAssignableInTenantScope wird geliefert, wenn versucht wird,
|
||||||
|
// eine mandantenuebergreifende Rolle (superadmin) ueber den tenant-
|
||||||
|
// gescopten Store zu vergeben — die erlaubte Matrix laesst hier nur
|
||||||
|
// user/tenant_admin zu (Akzeptanzkriterium 1 / Pruefung 1).
|
||||||
|
ErrRoleNotAssignableInTenantScope = errors.New("rbac: rolle ist in diesem geltungsbereich nicht zuweisbar")
|
||||||
|
ErrNotFound = errors.New("rbac: keine rollenzuweisung gefunden")
|
||||||
|
)
|
||||||
|
|
||||||
|
// assignableRoles ist die erlaubte Matrix fuer Store (tenant-gescoped).
|
||||||
|
var assignableRoles = map[Role]bool{
|
||||||
|
RoleUser: true,
|
||||||
|
RoleTenantAdmin: true,
|
||||||
|
}
|
||||||
|
|
||||||
|
type Assignment struct {
|
||||||
|
UserID string
|
||||||
|
Role Role
|
||||||
|
GrantedBy string
|
||||||
|
}
|
||||||
|
|
||||||
|
// Store verwaltet Rollenzuweisungen innerhalb GENAU EINER Tenant-Datenbank —
|
||||||
|
// analog zu internal/user.TenantUserStore (Modell C: der Pool bestimmt den
|
||||||
|
// Tenant, keine tenant_id-Spalte noetig).
|
||||||
|
type Store struct {
|
||||||
|
pool *pgxpool.Pool
|
||||||
|
}
|
||||||
|
|
||||||
|
func NewStore(pool *pgxpool.Pool) *Store {
|
||||||
|
return &Store{pool: pool}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Assign vergibt eine Rolle an einen Benutzer. grantedBy identifiziert den
|
||||||
|
// Akteur, der die Zuweisung vorgenommen hat (Akzeptanzkriterium 3). Jede
|
||||||
|
// Zuweisung wird zusaetzlich in role_assignment_history festgehalten, auch
|
||||||
|
// wenn sie eine vorherige Rolle ersetzt.
|
||||||
|
func (s *Store) Assign(ctx context.Context, userID string, role Role, grantedBy string) (Assignment, error) {
|
||||||
|
if !assignableRoles[role] {
|
||||||
|
return Assignment{}, ErrRoleNotAssignableInTenantScope
|
||||||
|
}
|
||||||
|
if grantedBy == "" {
|
||||||
|
return Assignment{}, errors.New("rbac: grantedBy darf nicht leer sein")
|
||||||
|
}
|
||||||
|
|
||||||
|
tx, err := s.pool.Begin(ctx)
|
||||||
|
if err != nil {
|
||||||
|
return Assignment{}, fmt.Errorf("transaktion starten: %w", err)
|
||||||
|
}
|
||||||
|
defer func() { _ = tx.Rollback(ctx) }()
|
||||||
|
|
||||||
|
if _, err := tx.Exec(ctx, `
|
||||||
|
INSERT INTO role_assignments (user_id, role, granted_by, granted_at)
|
||||||
|
VALUES ($1, $2, $3, now())
|
||||||
|
ON CONFLICT (user_id) DO UPDATE SET role = $2, granted_by = $3, granted_at = now()
|
||||||
|
`, userID, string(role), grantedBy); err != nil {
|
||||||
|
return Assignment{}, fmt.Errorf("rolle zuweisen: %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if _, err := tx.Exec(ctx, `
|
||||||
|
INSERT INTO role_assignment_history (user_id, role, granted_by, granted_at)
|
||||||
|
VALUES ($1, $2, $3, now())
|
||||||
|
`, userID, string(role), grantedBy); err != nil {
|
||||||
|
return Assignment{}, fmt.Errorf("historie schreiben: %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if err := tx.Commit(ctx); err != nil {
|
||||||
|
return Assignment{}, fmt.Errorf("transaktion committen: %w", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
return Assignment{UserID: userID, Role: role, GrantedBy: grantedBy}, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (s *Store) Get(ctx context.Context, userID string) (Assignment, error) {
|
||||||
|
var a Assignment
|
||||||
|
var role string
|
||||||
|
a.UserID = userID
|
||||||
|
if err := s.pool.QueryRow(ctx, `
|
||||||
|
SELECT role, granted_by FROM role_assignments WHERE user_id = $1
|
||||||
|
`, userID).Scan(&role, &a.GrantedBy); err != nil {
|
||||||
|
if errors.Is(err, pgx.ErrNoRows) {
|
||||||
|
return Assignment{}, ErrNotFound
|
||||||
|
}
|
||||||
|
return Assignment{}, fmt.Errorf("rollenzuweisung lesen: %w", err)
|
||||||
|
}
|
||||||
|
a.Role = Role(role)
|
||||||
|
return a, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// History liefert jede Rollenzuweisung eines Benutzers in chronologischer
|
||||||
|
// Reihenfolge — die Grundlage fuer "wer hat wann welche Rolle vergeben"
|
||||||
|
// (Akzeptanzkriterium 3).
|
||||||
|
func (s *Store) History(ctx context.Context, userID string) ([]Assignment, error) {
|
||||||
|
rows, err := s.pool.Query(ctx, `
|
||||||
|
SELECT role, granted_by FROM role_assignment_history
|
||||||
|
WHERE user_id = $1 ORDER BY granted_at
|
||||||
|
`, userID)
|
||||||
|
if err != nil {
|
||||||
|
return nil, fmt.Errorf("historie abfragen: %w", err)
|
||||||
|
}
|
||||||
|
defer rows.Close()
|
||||||
|
|
||||||
|
var out []Assignment
|
||||||
|
for rows.Next() {
|
||||||
|
var role string
|
||||||
|
a := Assignment{UserID: userID}
|
||||||
|
if err := rows.Scan(&role, &a.GrantedBy); err != nil {
|
||||||
|
return nil, fmt.Errorf("historieneintrag lesen: %w", err)
|
||||||
|
}
|
||||||
|
a.Role = Role(role)
|
||||||
|
out = append(out, a)
|
||||||
|
}
|
||||||
|
return out, rows.Err()
|
||||||
|
}
|
||||||
@@ -1,136 +0,0 @@
|
|||||||
package tenant
|
|
||||||
|
|
||||||
import (
|
|
||||||
"container/list"
|
|
||||||
"context"
|
|
||||||
"errors"
|
|
||||||
"fmt"
|
|
||||||
"sync"
|
|
||||||
|
|
||||||
"github.com/jackc/pgx/v5/pgxpool"
|
|
||||||
)
|
|
||||||
|
|
||||||
// ErrMissingTenantContext wird geliefert, wenn keine Tenant-Kennung
|
|
||||||
// uebergeben wurde — es gibt bewusst keinen impliziten Default-Tenant
|
|
||||||
// (TEN-06 Akzeptanzkriterium 3).
|
|
||||||
var ErrMissingTenantContext = errors.New("tenant: kein tenant-kontext angegeben")
|
|
||||||
|
|
||||||
// ErrUnknownTenant wird geliefert, wenn die Tenant-Kennung in der Registry
|
|
||||||
// nicht existiert.
|
|
||||||
var ErrUnknownTenant = errors.New("tenant: unbekannter tenant")
|
|
||||||
|
|
||||||
// Router loest den Tenant-Kontext (Slug, aus dem JWT-Claim von API-05) in
|
|
||||||
// eine wiederverwendbare Verbindung zur richtigen Tenant-Datenbank auf.
|
|
||||||
// Ein LRU-verwalteter Cache begrenzt die Zahl gleichzeitig offener
|
|
||||||
// pgxpool.Pool-Instanzen, damit die Zahl offener Postgres-Verbindungen NICHT
|
|
||||||
// linear mit der Mandantenzahl waechst (Akzeptanzkriterium 2).
|
|
||||||
type Router struct {
|
|
||||||
registry *Registry
|
|
||||||
maxOpen int
|
|
||||||
|
|
||||||
mu sync.Mutex
|
|
||||||
order *list.List // vorne = zuletzt benutzt
|
|
||||||
items map[string]*list.Element // slug -> element mit *routerEntry
|
|
||||||
}
|
|
||||||
|
|
||||||
type routerEntry struct {
|
|
||||||
slug string
|
|
||||||
pool *pgxpool.Pool
|
|
||||||
}
|
|
||||||
|
|
||||||
func NewRouter(registry *Registry, maxOpen int) *Router {
|
|
||||||
if maxOpen < 1 {
|
|
||||||
maxOpen = 1
|
|
||||||
}
|
|
||||||
return &Router{
|
|
||||||
registry: registry,
|
|
||||||
maxOpen: maxOpen,
|
|
||||||
order: list.New(),
|
|
||||||
items: make(map[string]*list.Element),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Resolve liefert einen wiederverwendeten Pool fuer den angegebenen Tenant.
|
|
||||||
// Ist der Tenant bereits im Cache, wird KEINE neue Verbindung aufgebaut
|
|
||||||
// (Akzeptanzkriterium 2 / Pruefung 3).
|
|
||||||
func (r *Router) Resolve(ctx context.Context, tenantSlug string) (*pgxpool.Pool, error) {
|
|
||||||
if tenantSlug == "" {
|
|
||||||
return nil, ErrMissingTenantContext
|
|
||||||
}
|
|
||||||
|
|
||||||
r.mu.Lock()
|
|
||||||
if el, ok := r.items[tenantSlug]; ok {
|
|
||||||
r.order.MoveToFront(el)
|
|
||||||
pool := el.Value.(*routerEntry).pool
|
|
||||||
r.mu.Unlock()
|
|
||||||
return pool, nil
|
|
||||||
}
|
|
||||||
r.mu.Unlock()
|
|
||||||
|
|
||||||
// Registry-Lookup und Verbindungsaufbau bewusst ausserhalb des Locks,
|
|
||||||
// damit ein langsamer Verbindungsaufbau nicht alle anderen Tenants blockiert.
|
|
||||||
t, err := r.registry.GetBySlug(ctx, tenantSlug)
|
|
||||||
if err != nil {
|
|
||||||
return nil, fmt.Errorf("%w: %s", ErrUnknownTenant, tenantSlug)
|
|
||||||
}
|
|
||||||
|
|
||||||
pool, err := pgxpool.New(ctx, t.DBDSN)
|
|
||||||
if err != nil {
|
|
||||||
return nil, fmt.Errorf("verbindung zu tenant %q aufbauen: %w", tenantSlug, err)
|
|
||||||
}
|
|
||||||
|
|
||||||
r.mu.Lock()
|
|
||||||
defer r.mu.Unlock()
|
|
||||||
|
|
||||||
// Zwischen Unlock oben und hier koennte ein paralleler Aufruf denselben
|
|
||||||
// Tenant bereits eingefuegt haben — dann die eigene, ueberzaehlige
|
|
||||||
// Verbindung wieder schliessen und die vorhandene verwenden.
|
|
||||||
if el, ok := r.items[tenantSlug]; ok {
|
|
||||||
r.order.MoveToFront(el)
|
|
||||||
existing := el.Value.(*routerEntry).pool
|
|
||||||
pool.Close()
|
|
||||||
return existing, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
el := r.order.PushFront(&routerEntry{slug: tenantSlug, pool: pool})
|
|
||||||
r.items[tenantSlug] = el
|
|
||||||
|
|
||||||
if r.order.Len() > r.maxOpen {
|
|
||||||
r.evictOldest()
|
|
||||||
}
|
|
||||||
|
|
||||||
return pool, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// evictOldest schliesst den am laengsten nicht genutzten Pool. Muss mit
|
|
||||||
// gehaltenem r.mu aufgerufen werden.
|
|
||||||
func (r *Router) evictOldest() {
|
|
||||||
oldest := r.order.Back()
|
|
||||||
if oldest == nil {
|
|
||||||
return
|
|
||||||
}
|
|
||||||
entry := oldest.Value.(*routerEntry)
|
|
||||||
r.order.Remove(oldest)
|
|
||||||
delete(r.items, entry.slug)
|
|
||||||
entry.pool.Close()
|
|
||||||
}
|
|
||||||
|
|
||||||
// OpenCount liefert die aktuelle Zahl offen gehaltener Tenant-Pools —
|
|
||||||
// dient Tests/Monitoring, um AC2 nachzuweisen.
|
|
||||||
func (r *Router) OpenCount() int {
|
|
||||||
r.mu.Lock()
|
|
||||||
defer r.mu.Unlock()
|
|
||||||
return r.order.Len()
|
|
||||||
}
|
|
||||||
|
|
||||||
// Close schliesst alle offen gehaltenen Tenant-Pools, z.B. beim
|
|
||||||
// Herunterfahren des Core-Prozesses.
|
|
||||||
func (r *Router) Close() {
|
|
||||||
r.mu.Lock()
|
|
||||||
defer r.mu.Unlock()
|
|
||||||
for el := r.order.Front(); el != nil; el = el.Next() {
|
|
||||||
el.Value.(*routerEntry).pool.Close()
|
|
||||||
}
|
|
||||||
r.order.Init()
|
|
||||||
r.items = make(map[string]*list.Element)
|
|
||||||
}
|
|
||||||
@@ -1,160 +0,0 @@
|
|||||||
package tenant
|
|
||||||
|
|
||||||
import (
|
|
||||||
"context"
|
|
||||||
"errors"
|
|
||||||
"fmt"
|
|
||||||
"os"
|
|
||||||
"strings"
|
|
||||||
"testing"
|
|
||||||
|
|
||||||
"github.com/jackc/pgx/v5/pgxpool"
|
|
||||||
)
|
|
||||||
|
|
||||||
func newTestRouterSetup(t *testing.T, tenantCount int) (*Router, []Tenant, func()) {
|
|
||||||
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)
|
|
||||||
}
|
|
||||||
registryPool, err := pgxpool.New(ctx, adminDSN)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("registry pool: %v", err)
|
|
||||||
}
|
|
||||||
if _, err := registryPool.Exec(ctx, `
|
|
||||||
CREATE TABLE IF NOT EXISTS tenants (
|
|
||||||
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
|
||||||
slug TEXT NOT NULL UNIQUE,
|
|
||||||
name TEXT NOT NULL,
|
|
||||||
db_name TEXT NOT NULL UNIQUE,
|
|
||||||
db_dsn TEXT NOT NULL,
|
|
||||||
status TEXT NOT NULL DEFAULT 'active',
|
|
||||||
created_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
|
||||||
)`); err != nil {
|
|
||||||
t.Fatalf("registry-schema: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
registry := NewRegistry(registryPool)
|
|
||||||
dsnTemplate := strings.Replace(adminDSN, "/postgres?", "/%s?", 1)
|
|
||||||
provisioner := NewProvisioner(adminPool, registry, dsnTemplate)
|
|
||||||
|
|
||||||
var tenants []Tenant
|
|
||||||
var slugs []string
|
|
||||||
for i := 0; i < tenantCount; i++ {
|
|
||||||
slug := fmt.Sprintf("router_t%d", i)
|
|
||||||
slugs = append(slugs, slug)
|
|
||||||
tn, err := provisioner.Provision(ctx, slug, slug)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("provision %s: %v", slug, err)
|
|
||||||
}
|
|
||||||
tenants = append(tenants, tn)
|
|
||||||
}
|
|
||||||
|
|
||||||
router := NewRouter(registry, 2) // klein gewaehlt, um Eviction im Test zu erzwingen
|
|
||||||
|
|
||||||
cleanup := func() {
|
|
||||||
router.Close()
|
|
||||||
for _, slug := range slugs {
|
|
||||||
_, _ = adminPool.Exec(ctx, fmt.Sprintf(`DROP DATABASE IF EXISTS %q`, dbNameForSlug(slug)))
|
|
||||||
}
|
|
||||||
_, _ = registryPool.Exec(ctx, `DELETE FROM tenants WHERE slug = ANY($1)`, slugs)
|
|
||||||
registryPool.Close()
|
|
||||||
adminPool.Close()
|
|
||||||
}
|
|
||||||
return router, tenants, cleanup
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 1: Verbindung wird zuverlaessig anhand des Tenant-Kontexts aufgeloest.
|
|
||||||
func TestRouter_ResolvesCorrectTenantDatabase(t *testing.T) {
|
|
||||||
router, tenants, cleanup := newTestRouterSetup(t, 2)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
pool, err := router.Resolve(ctx, tenants[0].Slug)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("resolve: %v", err)
|
|
||||||
}
|
|
||||||
var dbName string
|
|
||||||
if err := pool.QueryRow(ctx, `SELECT current_database()`).Scan(&dbName); err != nil {
|
|
||||||
t.Fatalf("current_database: %v", err)
|
|
||||||
}
|
|
||||||
if dbName != tenants[0].DBName {
|
|
||||||
t.Fatalf("current_database() = %q, want %q", dbName, tenants[0].DBName)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 3 + Pruefung 2: fehlender/unbekannter Tenant-Kontext
|
|
||||||
// wird explizit abgewiesen statt irgendeine Verbindung zu liefern.
|
|
||||||
func TestRouter_RejectsMissingOrUnknownTenant(t *testing.T) {
|
|
||||||
router, _, cleanup := newTestRouterSetup(t, 1)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
if _, err := router.Resolve(ctx, ""); !errors.Is(err, ErrMissingTenantContext) {
|
|
||||||
t.Fatalf("erwartet ErrMissingTenantContext, habe %v", err)
|
|
||||||
}
|
|
||||||
if _, err := router.Resolve(ctx, "nie-registrierter-slug"); !errors.Is(err, ErrUnknownTenant) {
|
|
||||||
t.Fatalf("erwartet ErrUnknownTenant, habe %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 2 + Pruefung 3: Verbindungswiederverwendung nachweislich
|
|
||||||
// gemessen — zweiter Resolve-Aufruf liefert exakt denselben Pool, kein
|
|
||||||
// erneuter Verbindungsaufbau.
|
|
||||||
func TestRouter_ReusesConnectionForSameTenant(t *testing.T) {
|
|
||||||
router, tenants, cleanup := newTestRouterSetup(t, 1)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
first, err := router.Resolve(ctx, tenants[0].Slug)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("resolve 1: %v", err)
|
|
||||||
}
|
|
||||||
second, err := router.Resolve(ctx, tenants[0].Slug)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("resolve 2: %v", err)
|
|
||||||
}
|
|
||||||
if first != second {
|
|
||||||
t.Fatal("erwartet identische pool-instanz bei wiederholtem resolve, habe unterschiedliche")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Akzeptanzkriterium 2 + Pruefung 1: Lasttest mit mehr simulierten Mandanten
|
|
||||||
// als maxOpen — die Zahl gleichzeitig offener Tenant-Pools bleibt begrenzt
|
|
||||||
// (LRU-Eviction), waechst also NICHT linear mit der Mandantenzahl.
|
|
||||||
func TestRouter_BoundsOpenConnectionsUnderLoad(t *testing.T) {
|
|
||||||
const tenantCount = 6
|
|
||||||
router, tenants, cleanup := newTestRouterSetup(t, tenantCount)
|
|
||||||
defer cleanup()
|
|
||||||
ctx := context.Background()
|
|
||||||
|
|
||||||
for _, tn := range tenants {
|
|
||||||
if _, err := router.Resolve(ctx, tn.Slug); err != nil {
|
|
||||||
t.Fatalf("resolve %s: %v", tn.Slug, err)
|
|
||||||
}
|
|
||||||
if router.OpenCount() > 2 {
|
|
||||||
t.Fatalf("OpenCount() = %d, erwartet <= maxOpen (2) nach jedem Resolve", router.OpenCount())
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if router.OpenCount() != 2 {
|
|
||||||
t.Fatalf("erwartet genau maxOpen=2 offene pools nach %d tenants, habe %d", tenantCount, router.OpenCount())
|
|
||||||
}
|
|
||||||
|
|
||||||
// Evictete Tenants sind wieder ganz normal ueber die Registry aufloesbar
|
|
||||||
// (Cache-Miss fuehrt zu neuem, funktionierendem Pool, kein Fehlerzustand).
|
|
||||||
pool, err := router.Resolve(ctx, tenants[0].Slug)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("resolve nach eviction: %v", err)
|
|
||||||
}
|
|
||||||
var one int
|
|
||||||
if err := pool.QueryRow(ctx, `SELECT 1`).Scan(&one); err != nil {
|
|
||||||
t.Fatalf("query nach re-resolve: %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -0,0 +1,2 @@
|
|||||||
|
DROP TABLE IF EXISTS role_assignment_history;
|
||||||
|
DROP TABLE IF EXISTS role_assignments;
|
||||||
@@ -0,0 +1,23 @@
|
|||||||
|
-- Rollenzuweisung pro Benutzer (RBAC-01, siehe core-kanban/tickets/RBAC-01.md).
|
||||||
|
-- Nur 'user' und 'tenant_admin' sind hier zuweisbar — 'superadmin' lebt
|
||||||
|
-- mandantenuebergreifend in der Registry (IAM-01 SuperadminStore) und hat
|
||||||
|
-- daher bewusst KEINE Zeile in dieser tenant-lokalen Tabelle (Akzeptanz-
|
||||||
|
-- kriterium 1: nur Zuweisungen innerhalb der erlaubten Matrix).
|
||||||
|
CREATE TABLE 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()
|
||||||
|
);
|
||||||
|
|
||||||
|
-- Vollstaendige Historie jeder Rollenaenderung (Akzeptanzkriterium 3: wer
|
||||||
|
-- hat wann welche Rolle vergeben).
|
||||||
|
CREATE TABLE role_assignment_history (
|
||||||
|
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
||||||
|
user_id UUID NOT NULL,
|
||||||
|
role TEXT NOT NULL,
|
||||||
|
granted_by TEXT NOT NULL,
|
||||||
|
granted_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||||
|
);
|
||||||
|
|
||||||
|
CREATE INDEX role_assignment_history_user_idx ON role_assignment_history (user_id, granted_at);
|
||||||
@@ -0,0 +1,2 @@
|
|||||||
|
DROP TABLE IF EXISTS ldap_group_role_mapping;
|
||||||
|
DROP TABLE IF EXISTS ldap_config;
|
||||||
@@ -0,0 +1,22 @@
|
|||||||
|
-- LDAP/Active-Directory-Anbindung (IAM-05, siehe core-kanban/tickets/IAM-05.md).
|
||||||
|
-- Bind-Credentials liegen NIE in dieser Tabelle im Klartext — bind_password_env
|
||||||
|
-- nennt nur den Namen einer Umgebungsvariable, aus der das Passwort zur
|
||||||
|
-- Laufzeit gelesen wird (Projekt-Konvention: Secrets nur ueber Env-Vars).
|
||||||
|
CREATE TABLE ldap_config (
|
||||||
|
id BOOLEAN PRIMARY KEY DEFAULT true CHECK (id),
|
||||||
|
url TEXT NOT NULL,
|
||||||
|
bind_dn TEXT NOT NULL,
|
||||||
|
bind_password_env TEXT NOT NULL,
|
||||||
|
base_dn TEXT NOT NULL,
|
||||||
|
user_filter TEXT NOT NULL DEFAULT '(objectClass=person)',
|
||||||
|
updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||||
|
);
|
||||||
|
|
||||||
|
-- Erlaubnis-Matrix LDAP-Gruppe -> NEXARCH-Rolle (Akzeptanzkriterium 3).
|
||||||
|
-- Eine LDAP-Gruppe OHNE Eintrag hier vergibt KEINE Rolle — kein impliziter
|
||||||
|
-- Zugriff durch Gruppennamen-Zufall (Privilege-Escalation-Schutz, siehe
|
||||||
|
-- "Bekannte Fehler vermeiden" im Ticket).
|
||||||
|
CREATE TABLE ldap_group_role_mapping (
|
||||||
|
ldap_group TEXT PRIMARY KEY,
|
||||||
|
role TEXT NOT NULL CHECK (role IN ('user', 'tenant_admin'))
|
||||||
|
);
|
||||||
@@ -1,16 +1,11 @@
|
|||||||
#!/usr/bin/env bash
|
#!/usr/bin/env bash
|
||||||
set -euo pipefail
|
set -euo pipefail
|
||||||
|
|
||||||
PASS="${NEXARCH_TEST_DB_PASSWORD:?Setze NEXARCH_TEST_DB_PASSWORD vor dem Aufruf}"
|
PASS="${NEXARCH_TEST_DB_PASSWORD:?Setze NEXARCH_TEST_DB_PASSWORD vor dem Aufruf}"
|
||||||
ROLE="nexarch_test"
|
ROLE="nexarch_test"
|
||||||
|
|
||||||
export PGPASSWORD="$PASS"
|
export PGPASSWORD="$PASS"
|
||||||
|
|
||||||
psql -h localhost -U "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP TABLE IF EXISTS tenants CASCADE;"
|
psql -h localhost -U "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP TABLE IF EXISTS tenants CASCADE;"
|
||||||
|
|
||||||
dbs=$(psql -h localhost -U "$ROLE" -d postgres -tAc "SELECT datname FROM pg_database WHERE datname LIKE 'tenant\_%' ESCAPE '\'")
|
dbs=$(psql -h localhost -U "$ROLE" -d postgres -tAc "SELECT datname FROM pg_database WHERE datname LIKE 'tenant\_%' ESCAPE '\'")
|
||||||
for db in $dbs; do
|
for db in $dbs; do
|
||||||
psql -h localhost -U "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP DATABASE IF EXISTS \"${db}\";"
|
psql -h localhost -U "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP DATABASE IF EXISTS \"${db}\";"
|
||||||
done
|
done
|
||||||
|
|
||||||
echo "Testumgebung zurueckgesetzt: registry-tabelle + $(echo "$dbs" | grep -c . || true) tenant-datenbank(en) entfernt."
|
echo "Testumgebung zurueckgesetzt: registry-tabelle + $(echo "$dbs" | grep -c . || true) tenant-datenbank(en) entfernt."
|
||||||
|
|||||||
@@ -1,18 +1,12 @@
|
|||||||
#!/usr/bin/env bash
|
#!/usr/bin/env bash
|
||||||
set -euo pipefail
|
set -euo pipefail
|
||||||
|
|
||||||
PASS="${NEXARCH_TEST_DB_PASSWORD:?Setze NEXARCH_TEST_DB_PASSWORD vor dem Aufruf}"
|
PASS="${NEXARCH_TEST_DB_PASSWORD:?Setze NEXARCH_TEST_DB_PASSWORD vor dem Aufruf}"
|
||||||
cd "$(dirname "$0")/.."
|
cd "$(dirname "$0")/.."
|
||||||
|
|
||||||
NEXARCH_TEST_DB_PASSWORD="$PASS" bash scripts/reset-test-env.sh
|
NEXARCH_TEST_DB_PASSWORD="$PASS" bash scripts/reset-test-env.sh
|
||||||
|
|
||||||
export TEST_ADMIN_DSN="postgresql://nexarch_test:${PASS}@localhost:5432/postgres?sslmode=disable"
|
export TEST_ADMIN_DSN="postgresql://nexarch_test:${PASS}@localhost:5432/postgres?sslmode=disable"
|
||||||
|
|
||||||
echo "== go build =="
|
echo "== go build =="
|
||||||
go build ./...
|
go build ./...
|
||||||
|
|
||||||
echo "== go vet =="
|
echo "== go vet =="
|
||||||
go vet ./...
|
go vet ./...
|
||||||
|
|
||||||
echo "== go test (-p 1) =="
|
echo "== go test (-p 1) =="
|
||||||
go test ./... -p 1 -count=1
|
go test ./... -p 1 -count=1
|
||||||
|
|||||||
Reference in New Issue
Block a user