main.go: fixed routing for url with dots

When a url contained a dot and the user refreshed the site, the server
would have returned a 404. Now it will always return index.html, if the
requested file is not found.

main.go

@@ -3,28 +3,26 @@ package main
 import (
 	"log"
 	"net/http"
-	"strings"
 
 	"github.com/rakyll/statik/fs"
 
 	_ "github.com/fLotte-meets-HWR-DB/frontend/statik"
 )
 
-func strip(handler http.Handler) http.Handler {
-	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		if !strings.Contains(r.URL.Path, ".") {
-			r.URL.Path = "/"
-		}
-		handler.ServeHTTP(w, r)
-	})
-}
 func main() {
 	statikFS, err := fs.New()
 	if err != nil {
 		log.Fatal(err)
 	}
 
+	fserver := http.FileServer(statikFS)
 	m := http.NewServeMux()
-	m.Handle("/", strip(http.FileServer(statikFS)))
+	m.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		if _, err := statikFS.Open(r.URL.Path); err != nil {
+			r.URL.Path = "/"
+		}
+		fserver.ServeHTTP(w, r)
+	})
+
 	log.Fatal(http.ListenAndServe(":8080", m))
 }