Use ServeFileFS for static files

This allows listing the directories

1 files changed, 3 insertions, 17 deletions

diff --git a/roseh.moe.go b/roseh.moe.go
index 55b3a72..32bcb6c 100644
--- a/roseh.moe.go
+++ b/roseh.moe.go
@@ -257,24 +257,10 @@ func buildStaticFileHashes() map[string]string {
 }
 
 func serveStaticFile(w http.ResponseWriter, r *http.Request, path string) {
-	f, err := staticFiles.Open(path)
-	if err != nil {
-		notFound(w, r)
-		return
-	}
-	defer f.Close()
-	stat, err := f.Stat()
-	if err != nil {
-		log.Printf("Warning: stat static file: %s", err)
-		http.Error(w, "internal error", http.StatusInternalServerError)
-		return
-	}
-	if stat.IsDir() {
-		notFound(w, r)
-		return
+	if eTag, ok := staticFileHashes[path]; ok {
+		w.Header().Set("ETag", eTag)
 	}
-	w.Header().Set("ETag", staticFileHashes[path])
-	http.ServeContent(w, r, path, time.Time{}, f.(io.ReadSeeker))
+	http.ServeFileFS(w, r, staticFiles, path)
 }
 
 func static(w http.ResponseWriter, r *http.Request) {