Some cleanup

util.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"net/http"
 	"os"
 	"time"
 )
@@ -16,3 +17,11 @@ func checkError(err error) {
 	v, _ := time.Now().UTC().MarshalText()
 	f.WriteString(fmt.Sprintf("[%s] %s\n", string(v), err))
 }
+
+func cors(fs http.Handler) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		(w).Header().Set("Access-Control-Allow-Origin", "*")
+
+		fs.ServeHTTP(w, r)
+	}
+}