in storage/resolver.go [55:68]
func addRequestHeadersToResponse(w http.ResponseWriter, resp *http.Response) {
for header, values := range resp.Header {
if len(w.Header().Values(header)) > 0 {
// do not overwrite
continue
}
if _, ok := acceptedHeaders[header]; !ok {
continue
}
for _, value := range values {
w.Header().Add(header, value)
}
}
}