func createResponse(config *Config, data *verifyData) (string, error) {
m := new(pgpmail.Message)
m.AddHeader("From", config.VerifyEmail)
m.AddHeader("To", data.sender.String())
m.AddHeader("Subject", "Nyms Mail Verification")
m.AddHeader("X-Nyms-Verifier", "response")
m.AddMultipart(createBody())
attach, err := createAttachment(data)
if err != nil {
return "", err
}
m.AddMultipart(attach)
m.PackMultiparts()
status := m.Sign(config.KeySource, "")
if status.Code != pgpmail.StatusSignedOnly {
return "", fmt.Errorf("signing message failed with status code %d: %s", status.Code, status.FailureMessage)
}
response := m.String()
signed, err := dkimSign(config, response)
if err != nil {
logger.Warning("dkim signing failed: %v", err)
return response, nil
}
return signed, nil
}
