func()

in evReady/cmd/web/certificates.go [70:101]

• 27 lines of code
• 7 McCabe index (conditional complexity)

func (app *application) pemCreator(hostname, rootCert string) (string, error) {
	certs, ip, err := getCertFromHost(hostname, "443", true)
	if err != nil || certs == nil {
		app.logger.Error("Unable to retrieve cert from host.", "hostname", hostname, "error", err.Error())
	}

	certChain := CertChain{
		Hostname: hostname,
		IP:       ip,
	}

	f, err := os.Create("/tmp/" + xid.New().String() + ".pem")
	if err != nil {
		app.logger.Error("Unable to create certs file.", "error", err.Error())
	}
	defer f.Close()

	for _, cert := range certs {
		_, err := f.WriteString(certConvert(cert.Raw))
		if err != nil {
			app.logger.Error("Unable to write certs to file.", "error", err.Error())
		}
		certChain.Certs = append(certChain.Certs, base64.StdEncoding.EncodeToString(cert.Raw))

	}
	_, err = f.WriteString(rootCert)
	if err != nil {
		app.logger.Error("Unable to write cert to PEM chain file.", "error", err.Error())
	}

	return f.Name(), f.Sync()
}