set content type

server/routes.go

@@ -6,6 +6,7 @@ import (
 	"local/gziphttp"
 	"local/oauth2/oauth2client"
 	"local/router"
+	"local/simpleserve/simpleserve"
 	"local/todo-server/config"
 	"log"
 	"net/http"
@@ -136,12 +137,14 @@ func (s *Server) _static(w http.ResponseWriter, r *http.Request) error {
 		return err
 	}
 	if info.IsDir() {
-		f, err = s.fileDir.Open(path.Join(r.URL.Path, "index.html"))
+		r.URL.Path = path.Join(r.URL.Path, "index.html")
+		f, err = s.fileDir.Open(r.URL.Path)
 		defer f.Close()
 		if err != nil {
 			return err
 		}
 	}
+	simpleserve.SetContentTypeIfMedia(w, r)
 	_, err = io.Copy(w, f)
 	return err
 }