feat(serverHandler/cors): simplify CORS response headers

Always response `*` for all CORS headers.

Author: marjune163

src/serverHandler/cors.go

@@ -1,42 +1,13 @@
 package serverHandler
 
 import (
-	"../util"
 	"net/http"
-	"strings"
 )
 
-func (h *handler) cors(w http.ResponseWriter, r *http.Request) {
+func (h *handler) cors(w http.ResponseWriter) {
 	header := w.Header()
 
 	header.Set("Access-Control-Allow-Origin", "*")
-
-	if r.Method != http.MethodOptions {
-		return
-	}
-
-	// Access-Control-Allow-Methods
-	acAllowMethods := []string{
-		http.MethodGet,
-		http.MethodHead,
-		http.MethodPost,
-		http.MethodPut,
-		http.MethodDelete,
-		http.MethodOptions,
-		http.MethodTrace,
-	}
-	acReqMethods := r.Header["Access-Control-Request-Method"]
-	if len(acReqMethods) > 0 {
-		acReqMethod := acReqMethods[0]
-		if !util.Contains(acAllowMethods, acReqMethod) {
-			acAllowMethods = append(acAllowMethods, acReqMethod)
-		}
-	}
-	header.Set("Access-Control-Allow-Methods", strings.Join(acAllowMethods, ", "))
-
-	// Access-Control-Allow-Headers
-	acAllowHeaders := r.Header["Access-Control-Request-Headers"]
-	if len(acAllowHeaders) > 0 {
-		header.Set("Access-Control-Allow-Headers", strings.Join(acAllowHeaders, ", "))
-	}
+	header.Set("Access-Control-Allow-Methods", "*")
+	header.Set("Access-Control-Allow-Headers", "*")
 }

src/serverHandler/main.go

@@ -104,7 +104,7 @@ func (h *handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	h.header(w)
 
 	if data.CanCors {
-		h.cors(w, r)
+		h.cors(w)
 	}
 
 	if data.IsMutate {