show first entry

backend/cors/cors.go

@@ -0,0 +1,25 @@
+package cors
+
+import "net/http"
+
+func HandlerForOrigin(origin string) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			if origin := r.Header.Get("Origin"); origin != "" {
+				w.Header().Set("Access-Control-Allow-Origin", origin)
+				w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
+				w.Header().Set("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization")
+				w.Header().Set("Access-Control-Expose-Headers", "Authorization")
+				w.Header().Set("Access-Control-Allow-Credentials", "true")
+			}
+			if r.Method == "OPTIONS" {
+				return
+			}
+			next.ServeHTTP(w, r)
+		})
+	}
+}
+
+func DeafaultHandler(next http.Handler) http.Handler {
+	return HandlerForOrigin("*")(next)
+}