feat(rate): add customizable X-Powered-By header

rate/handler.go

@@ -25,6 +25,7 @@ type Handler struct {
 	Port        int    `json:"port"`
 	ProxyTarget string `json:"proxy_target"`
 	Debug       bool   `json:"debug"`
+	PoweredBy   string `json:"powered_by"`
 
 	limiter *Limiter
 	proxy   *httputil.ReverseProxy
@@ -32,6 +33,10 @@ type Handler struct {
 }
 
 func (hn *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if hn.PoweredBy != "" {
+		w.Header().Set("X-Powered-By", hn.PoweredBy)
+	}
+
 	// all public api endpoints are prefixed with this
 	if !strings.HasPrefix(r.URL.Path, "/api/v2") {
 		w.WriteHeader(http.StatusNotFound)

rate/proxy-config.example.json

@@ -1,5 +1,6 @@
 {
     "port": 5003,
     "proxy_target": "http://localhost:5000",
-    "debug": true
+    "debug": true,
+    "powered_by": "5 gay rats"
 }