package http import ( "context" "net/http" "strings" "go.unistack.org/micro/v4/metadata" rutil "go.unistack.org/micro/v4/util/reflect" ) func FillRequest(ctx context.Context, req interface{}, opts ...FillRequestOption) error { var err error options := handlerOptions{} for _, o := range opts { o(&options) } md, ok := metadata.FromIncomingContext(ctx) if !ok { return nil } for idx := 0; idx < len(options.headers)/2; idx += 2 { k := http.CanonicalHeaderKey(options.headers[idx]) v, ok := md[k] if !ok { continue } if err = rutil.SetFieldByPath(req, v, k); err != nil { return err } } cookies := md["Cookie"] cmd := make(map[string]string, len(cookies)) for _, cookie := range cookies { kv := strings.Split(cookie, "=") if len(kv) != 2 { continue } cmd[strings.TrimSpace(kv[0])] = strings.TrimSpace(kv[1]) } for idx := 0; idx < len(options.cookies)/2; idx += 2 { k := http.CanonicalHeaderKey(options.cookies[idx]) v, ok := cmd[k] if !ok { continue } if err = rutil.SetFieldByPath(req, v, k); err != nil { return err } } return nil }