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Dauerhafte Fehler (28P01, 28000, 3D000) beenden mit Exit 2 und klarer Meldung, transiente Fehler werden bis NEXARCH_ACCOUNT_DB_STARTUP_TIMEOUT_SECONDS wiederholt. Unit-Template: RestartSec, StartLimit, RestartPreventExitStatus=2. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
235 lines
9.7 KiB
Go
235 lines
9.7 KiB
Go
// account-api ist der Aufrufpunkt fuer IAM-16: setzt die bereits fertigen
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// IAM-08-Handler (internal/auth, internal/authtoken, internal/totp) zu
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// einem laufenden Login/Account-HTTP-Dienst zusammen. REINES WIRING —
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// keine Aenderung an den bestehenden Paketen. Tenant-gescoped (Modell C):
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// ein Dienst pro Mandanten-Datenbank, wie internal/auth.LoginService es
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// bereits vorsieht.
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package main
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import (
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"context"
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"flag"
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"log"
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"net/http"
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"os"
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"strconv"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
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"gitea.perlbach24.de/scripte/nexarch/internal/audit"
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"gitea.perlbach24.de/scripte/nexarch/internal/auth"
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"gitea.perlbach24.de/scripte/nexarch/internal/authtoken"
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"gitea.perlbach24.de/scripte/nexarch/internal/lockout"
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"gitea.perlbach24.de/scripte/nexarch/internal/moduletoken"
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"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
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"gitea.perlbach24.de/scripte/nexarch/internal/totp"
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"gitea.perlbach24.de/scripte/nexarch/internal/user"
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)
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func requireEnv(name string) string {
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v := os.Getenv(name)
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if v == "" {
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log.Fatalf("%s muss gesetzt sein", name)
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}
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return v
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}
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func envInt(name string, def, min, max int) int {
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v := os.Getenv(name)
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if v == "" {
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return def
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}
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n, err := strconv.Atoi(v)
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if err != nil || n < min || n > max {
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log.Fatalf("%s muss eine ganze Zahl zwischen %d und %d sein, war %q", name, min, max, v)
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}
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return n
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}
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func main() {
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rotateModuleKey := flag.Bool("rotate-module-key", false, "neuen Modul-Signaturschluessel anlegen und beenden")
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rotateSessionKey := flag.Bool("rotate-session-key", false, "QA-15 F-10: neuen Sitzungs-Signaturschluessel anlegen und beenden")
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encryptTOTPSecrets := flag.Bool("encrypt-totp-secrets", false, "QA-15 F-06: bestehende Klartext-TOTP-Secrets nachverschluesseln und beenden")
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rewrapModuleKeys := flag.Bool("rewrap-module-keys", false, "QA-15 F-25: gespeicherte Modul-Signaturschluessel von "+envKeyEncryptionKeyOld+" auf "+envKeyEncryptionKey+" neu verpacken und beenden")
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flag.Parse()
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dsn := requireEnv("NEXARCH_ACCOUNT_TENANT_DSN")
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tenantSlug := requireEnv("NEXARCH_ACCOUNT_TENANT_SLUG")
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// QA-15 F-10: HS256 ist seit der Umstellung auf Ed25519-Sitzungsschluessel
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// nur noch der optionale Uebergangs-/Rueckfallpfad (Akzeptanzkriterium 3)
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// — ein gesetzter Wert muss weiterhin MinHS256SecretLen erfuellen, ein
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// leerer deaktiviert HS256 vollstaendig (reine Ed25519-Ausstellung).
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jwtSecret := os.Getenv("NEXARCH_ACCOUNT_JWT_SECRET")
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if jwtSecret != "" {
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if err := auth.ValidateHS256Secret(jwtSecret); err != nil {
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log.Fatalf("NEXARCH_ACCOUNT_JWT_SECRET: %v", err)
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}
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}
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totpIssuer := os.Getenv("NEXARCH_ACCOUNT_TOTP_ISSUER")
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if totpIssuer == "" {
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totpIssuer = "NEXARCH"
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}
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addr := os.Getenv("NEXARCH_ACCOUNT_API_LISTEN_ADDR")
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if addr == "" {
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addr = "127.0.0.1:8099"
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}
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ctx := context.Background()
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pool, err := pgxpool.New(ctx, dsn)
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if err != nil {
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log.Fatalf("datenbankverbindung: %v", err)
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}
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defer pool.Close()
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dbWait := time.Duration(envInt("NEXARCH_ACCOUNT_DB_STARTUP_TIMEOUT_SECONDS", 120, 0, 3600)) * time.Second
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if err := waitForDB(ctx, pool, dbWait, time.Sleep); err != nil {
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log.Printf("account-api: %v — DSN in NEXARCH_ACCOUNT_TENANT_DSN (Rolle, Passwort, Datenbank) pruefen", err)
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if isPermanentDBError(err) {
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pool.Close()
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os.Exit(exitPermanentDBError)
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}
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pool.Close()
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os.Exit(1)
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}
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totpCipher, err := newTOTPCipher()
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if err != nil {
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log.Fatalf("totp-verschluesselung: %v", err)
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}
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if totpCipher == nil {
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log.Printf("account-api: %s nicht gesetzt — bestehende Klartext-TOTP-Secrets bleiben lesbar, NEUE Einrichtungen schlagen fehl (fail closed, QA-15 F-06)", envTOTPEncryptionKey)
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}
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totpStore := totp.NewEncryptedStore(pool, totpCipher)
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if *encryptTOTPSecrets {
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if totpCipher == nil {
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log.Fatalf("-encrypt-totp-secrets: %s muss gesetzt sein", envTOTPEncryptionKey)
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}
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n, err := encryptExistingTOTPSecrets(ctx, pool, totpCipher)
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if err != nil {
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log.Fatalf("totp-secrets nachverschluesseln: %v", err)
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}
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log.Printf("account-api: %d totp-secret(s) nachverschluesselt", n)
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return
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}
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users := user.NewTenantUserStore(pool)
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// QA-15 F-10: eigener, persistenter Ed25519-Schluesselsatz fuer
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// Sitzungstokens (getrennt von den API-16-Modulschluesseln); account-api
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// ist die einzige Instanz, die damit auch SIGNIEREN kann.
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sessionKeys, err := newSessionKeyManager(ctx, pool, os.Getenv, auth.AccessTokenTTL)
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if err != nil {
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log.Fatalf("sitzungsschluessel: %v", err)
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}
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tokenIssuer, err := auth.NewAsymmetricTokenIssuer(sessionKeys, jwtSecret)
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if err != nil {
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log.Fatalf("sitzungs-token-aussteller: %v", err)
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}
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if *rotateSessionKey {
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kp, err := sessionKeys.RotateContext(ctx)
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if err != nil {
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log.Fatalf("sitzungsschluessel rotieren: %v", err)
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}
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log.Printf("account-api: neuer sitzungsschluessel %s angelegt (signiert nach der aktivierungsverzoegerung)", kp.KID)
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return
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}
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loginService := auth.NewLoginService(users, tokenIssuer, tenantSlug)
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revocationStore := auth.NewRevocationStore(pool)
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authHandler := auth.NewHandler(loginService, tokenIssuer, revocationStore, nil)
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// QA-15 F-04: Kontosperre (Postgres, geteilt) und Begrenzung je Quelladresse.
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lockStore := lockout.NewStore(pool).WithPolicy(
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envInt("NEXARCH_ACCOUNT_LOCKOUT_MAX_FAILED", lockout.DefaultMaxFailedAttempts, 1, 100),
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time.Duration(envInt("NEXARCH_ACCOUNT_LOCKOUT_MINUTES", int(lockout.DefaultLockoutDuration/time.Minute), 1, 1440))*time.Minute)
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if registryDSN := os.Getenv("NEXARCH_ACCOUNT_REGISTRY_DSN"); registryDSN != "" {
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registryPool, err := pgxpool.New(ctx, registryDSN)
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if err != nil {
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log.Fatalf("registry-datenbank (audit): %v", err)
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}
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defer registryPool.Close()
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lockStore = lockStore.WithAudit(audit.NewLog(registryPool), tenantSlug)
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} else {
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log.Printf("account-api: NEXARCH_ACCOUNT_REGISTRY_DSN nicht gesetzt, Sperr-Ereignisse gehen nicht ins zentrale Audit-Log")
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}
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trustForwarded := os.Getenv("NEXARCH_ACCOUNT_TRUST_FORWARDED_FOR") == "true"
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ipLimiter := lockout.NewIPLimiter(
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envInt("NEXARCH_ACCOUNT_LOGIN_MAX_PER_IP", 20, 1, 100000),
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time.Duration(envInt("NEXARCH_ACCOUNT_LOGIN_WINDOW_SECONDS", 60, 1, 3600))*time.Second)
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totpHandler := totp.NewHandler(users, totpStore, loginService, totpIssuer).WithLoginGuard(lockStore, ipLimiter, trustForwarded)
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profileHandler := auth.NewProfileHandler(users)
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// QA-15 F-06: alte Sitzungen nach einer Passwortaenderung widerrufen.
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changePasswordHandler := auth.NewChangePasswordHandler(users).WithSessionRotation(revocationStore, tokenIssuer)
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resetStore := authtoken.NewStore(pool)
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resetHandler := authtoken.NewHandler(resetStore, users, authtoken.LogNotifier{})
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moduleTokenTTL, err := moduletoken.ParseTTL(os.Getenv("NEXARCH_ACCOUNT_MODULE_TOKEN_TTL_SECONDS"))
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if err != nil {
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log.Fatalf("NEXARCH_ACCOUNT_MODULE_TOKEN_TTL_SECONDS: %v", err)
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}
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moduleAudiences, err := moduletoken.ParseAudiences(os.Getenv("NEXARCH_ACCOUNT_MODULE_AUDIENCES"), []string{"dms"})
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if err != nil {
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log.Fatalf("NEXARCH_ACCOUNT_MODULE_AUDIENCES: %v", err)
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}
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moduleIssuer := os.Getenv("NEXARCH_ACCOUNT_MODULE_TOKEN_ISSUER")
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if moduleIssuer == "" {
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moduleIssuer = "nexarch-core"
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}
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if *rewrapModuleKeys {
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n, err := rewrapModuleSigningKeys(ctx, pool)
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if err != nil {
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log.Fatalf("modul-schluessel neu verpacken: %v", err)
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}
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log.Printf("account-api: %d modul-schluessel neu verpackt", n)
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return
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}
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moduleKeys, err := newModuleKeyManager(ctx, pool, os.Getenv, moduleTokenTTL)
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if err != nil {
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log.Fatalf("modul-schluessel: %v", err)
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}
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if *rotateModuleKey {
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kp, err := moduleKeys.RotateContext(ctx)
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if err != nil {
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log.Fatalf("modul-schluessel rotieren: %v", err)
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}
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log.Printf("account-api: neuer modul-schluessel %s angelegt (signiert nach der aktivierungsverzoegerung)", kp.KID)
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return
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}
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mux := http.NewServeMux()
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mux.HandleFunc("/healthz", func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) })
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// Login ist DER EINE Endpunkt, den das Frontend aufruft (deckt 2FA
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// optional mit ab) — siehe internal/totp/handler.go-Dokumentation.
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moduletoken.RegisterJWKS(mux, moduleKeys)
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// QA-15 F-10: eigener JWKS-Endpunkt fuer Sitzungsschluessel — getrennt
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// vom Modul-JWKS (RegisterJWKS oben), damit verifizierende Dienste
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// (rbac-admin-api, notifyprefs-api) NUR den fuer sie relevanten
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// oeffentlichen Schluesselsatz abrufen.
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mux.HandleFunc("GET /auth/session-jwks", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Cache-Control", "public, max-age=60")
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sessionKeys.ServeJWKS(w, r)
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})
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moduletoken.RegisterToken(mux, moduletoken.NewHandler(moduleKeys, users, rbac.NewStore(pool), tenantSlug, moduleTokenTTL).WithAudiences(moduleIssuer, moduleAudiences),
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tokenIssuer, auth.NewRevocationStore(pool))
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mux.HandleFunc("POST /auth/login", totpHandler.Login)
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mux.HandleFunc("POST /auth/mobile-login", totpHandler.MobileLogin)
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mux.HandleFunc("POST /auth/logout", authHandler.Logout)
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mux.HandleFunc("POST /auth/password-reset/request", ipLimiter.Wrap(trustForwarded, resetHandler.RequestReset))
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mux.HandleFunc("POST /auth/password-reset/complete", ipLimiter.Wrap(trustForwarded, resetHandler.CompleteReset))
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mux.HandleFunc("GET /account/me", auth.RequireAuth(tokenIssuer, profileHandler.Me))
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mux.HandleFunc("POST /account/change-password", auth.RequireAuth(tokenIssuer, changePasswordHandler.ChangePassword))
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mux.HandleFunc("GET /auth/totp/status", auth.RequireAuth(tokenIssuer, totpHandler.Status))
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mux.HandleFunc("POST /auth/totp/setup/begin", auth.RequireAuth(tokenIssuer, totpHandler.SetupBegin))
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mux.HandleFunc("POST /auth/totp/setup/confirm", auth.RequireAuth(tokenIssuer, totpHandler.SetupConfirm))
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log.Printf("account-api: listening on %s (tenant %s)", addr, tenantSlug)
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if err := httpharden.ListenAndServe(addr, mux); err != nil {
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log.Fatalf("http server: %v", err)
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}
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}
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