feat(serverHandler): add legacy filename attribute to Content-Disposition

Author: marjune163

src/serverHandler/archive.go

@@ -176,7 +176,7 @@ func writeArchiveHeader(w http.ResponseWriter, contentType, filename string) {
 
 	header := w.Header()
 	header.Set("Content-Type", contentType)
-	header.Set("Content-Disposition", "attachment; filename*=UTF-8''"+filename)
+	header.Set("Content-Disposition", "attachment; filename="+filename+"; filename*=UTF-8''"+filename)
 	header.Set("Cache-Control", "public, max-age=0")
 	w.WriteHeader(http.StatusOK)
 }

src/serverHandler/content.go

@@ -10,7 +10,8 @@ func (h *aliasHandler) content(w http.ResponseWriter, r *http.Request, session *
 	header.Set("Vary", session.vary)
 	header.Set("X-Content-Type-Options", "nosniff")
 	if data.IsDownload {
-		header.Set("Content-Disposition", "attachment; filename*=UTF-8''"+url.PathEscape(data.ItemName))
+		filename := url.PathEscape(data.ItemName)
+		header.Set("Content-Disposition", "attachment; filename="+filename+"; filename*=UTF-8''"+filename)
 	}
 
 	item := data.Item