Files
nexarch/archive/internal/moduleadapter/handler.go
patrickandClaude Sonnet 5.5 7515b8db4d
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refactor: weitere identische Pakete nach common/ (svcauth, auditclient, tenantregistryclient, policyclient, httpharden, loadtest, httpclient)
Nur Pakete, deren Code ohne Kommentare/Importpfade byte-gleich ist:
- httpclient: ai, connect (Root behaelt eigene Kopie wegen strengerem Waechtertest)
- svcauth: archive, ai, workflow
- auditclient: ai, connect, archive
- tenantregistryclient: dms, ai, workflow (archive weicht ab, bleibt)
- policyclient: mail, connect (dms weicht ab, bleibt)
- httpharden: Root, archive (dms weicht ab, bleibt)
- loadtest: mail, ai (archive, connect weichen ab, bleiben)

go.mod (require + replace) fuer ai, connect, workflow; Pflichttest-Gates
von ai/workflow und CI-Pfadfilter um common/ erweitert, damit die
sicherheitskritischen Pakete (svcauth, tenantregistryclient) weiter
gegated werden.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
2026-10-27 14:06:07 +01:00

107 lines
4.2 KiB
Go

package moduleadapter
import (
"encoding/json"
"log"
"net/http"
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/common/svcauth"
)
const (
// HeaderServiceToken ist der Header, mit dem sich ein Modul beim
// Registrieren als Dienst ausweist (wie bei /legal-hold, RET-13).
HeaderServiceToken = "X-Service-Token"
maxRegisterBodyBytes = 64 << 10
)
// RegisterConfig steuert die Absicherung von POST /register (QA-15 F-08).
// ServiceToken: ist es gesetzt, verlangt /register den Header X-Service-Token.
// Ohne Token antwortet /register 503 (fail closed), ausser
// AllowUnauthenticated ist ausdruecklich gesetzt (Uebergang, mit Warnlog).
// Callback legt fest, welche Rueckruf-Adressen registriert werden duerfen.
type RegisterConfig struct {
ServiceToken string
AllowUnauthenticated bool
Callback CallbackPolicy
}
type registerRequest struct {
TenantSlug string `json:"tenant_slug"`
ModuleName string `json:"module_name"`
ObjectType string `json:"object_type"`
RetentionClass string `json:"retention_class"`
CallbackURL string `json:"callback_url"`
}
// RegisterHandler ist die REST-Schnittstelle (Ticket-Technikvorgabe), über
// die ein Modul einen Objekttyp registriert (Akzeptanzkriterium 1).
// POST /register mit JSON-Body {tenant_slug, module_name, object_type,
// retention_class, callback_url}. RET-12: verifiziert tenant_slug gegen
// verifier (Core-Tenant-Registry), bevor die Registrierung uebernommen
// wird - unabhaengig davon, was DMS/Mail selbst behaupten.
func RegisterHandler(pool *pgxpool.Pool, verifier TenantVerifier, cfg RegisterConfig) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
return
}
switch {
case cfg.ServiceToken != "":
if !svcauth.Equal(r.Header.Get(HeaderServiceToken), cfg.ServiceToken) {
log.Printf("moduleadapter: registrierung ohne gueltiges service-token abgelehnt")
http.Error(w, "nicht autorisiert", http.StatusUnauthorized)
return
}
case cfg.AllowUnauthenticated:
log.Printf("moduleadapter: WARNUNG: registrierung ohne dienstauthentifizierung angenommen (NEXARCH_MODULEADAPTER_ALLOW_UNAUTHENTICATED)")
default:
log.Printf("moduleadapter: registrierung abgelehnt, kein service-token konfiguriert")
http.Error(w, "registrierung nicht konfiguriert", http.StatusServiceUnavailable)
return
}
var req registerRequest
r.Body = http.MaxBytesReader(w, r.Body, maxRegisterBodyBytes)
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
http.Error(w, "ungültiger request-body", http.StatusBadRequest)
return
}
if req.TenantSlug == "" || req.ModuleName == "" || req.ObjectType == "" || req.RetentionClass == "" || req.CallbackURL == "" {
http.Error(w, "tenant_slug, module_name, object_type, retention_class und callback_url sind pflichtfelder", http.StatusBadRequest)
return
}
if err := cfg.Callback.ValidateCallbackURL(r.Context(), req.CallbackURL); err != nil {
log.Printf("moduleadapter: registrierung abgelehnt modul=%s objekttyp=%s: %v", req.ModuleName, req.ObjectType, err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
valid, err := verifier.VerifyTenant(r.Context(), req.TenantSlug)
if err != nil {
log.Printf("moduleadapter: tenant-verifikation fehlgeschlagen fuer modul=%s tenant=%s objekttyp=%s: %v", req.ModuleName, req.TenantSlug, req.ObjectType, err)
http.Error(w, "tenant-verifikation nicht moeglich", http.StatusServiceUnavailable)
return
}
if !valid {
log.Printf("moduleadapter: registrierung abgelehnt - unbekannter tenant-kontext modul=%s tenant=%s objekttyp=%s", req.ModuleName, req.TenantSlug, req.ObjectType)
http.Error(w, "unbekannter tenant-kontext", http.StatusForbidden)
return
}
reg, err := Register(r.Context(), pool, req.TenantSlug, req.ModuleName, req.ObjectType, req.RetentionClass, req.CallbackURL)
if err != nil {
log.Printf("moduleadapter: registrierung speichern: %v", err)
http.Error(w, "interner fehler", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
_ = json.NewEncoder(w).Encode(reg)
}
}