func fetchTS()

in ietf-cms/timestamp.go [38:58]

• 17 lines of code
• 5 McCabe index (conditional complexity)

func fetchTS(url string, si protocol.SignerInfo) (protocol.Attribute, error) {
	nilAttr := protocol.Attribute{}

	req, err := tsRequest(si)
	if err != nil {
		return nilAttr, err
	}

	resp, err := req.Do(url)
	if err != nil {
		return nilAttr, err
	}

	if tsti, err := resp.Info(); err != nil {
		return nilAttr, err
	} else if !req.Matches(tsti) {
		return nilAttr, errors.New("invalid message imprint")
	}

	return protocol.NewAttribute(oid.AttributeTimeStampToken, resp.TimeStampToken)
}