RC3

main.go

@@ -71,6 +71,7 @@ func main() {
 	}
 
 	// Server
+	http.HandleFunc("/whitelist", handleWhitelist)
 	http.HandleFunc("/check/", handleCheck)
 	http.Handle("/metrics", promhttp.Handler())
 
@@ -176,6 +177,43 @@ func normalizePrefix(s string) (string, bool) {
 	return s, err == nil
 }
 
+func handleWhitelist(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	var body struct {
+		IP string `json:"ip"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		http.Error(w, "bad request", http.StatusBadRequest)
+		return
+	}
+
+	addr, err := netip.ParseAddr(body.IP)
+	if err != nil {
+		http.Error(w, "invalid IP", http.StatusBadRequest)
+		return
+	}
+
+	key := "wl:" + addr.String()
+	if err := rdb.Set(ctx, key, "1", 0).Err(); err != nil {
+		http.Error(w, "redis error", http.StatusInternalServerError)
+		return
+	}
+
+	// Optional: Cache leeren für die IP
+	prefixCacheMu.Lock()
+	defer prefixCacheMu.Unlock()
+	// Kein spezifischer IP-Cache in deinem Design, aber hier könnte man Cache invalidieren falls nötig
+
+	writeJSON(w, map[string]string{
+		"status": "whitelisted",
+		"ip":     addr.String(),
+	})
+}
+
 // Check-Handler
 func handleCheck(w http.ResponseWriter, r *http.Request) {
 	checkRequests.Inc()