Method hasCredentials

app/src/MQTT/CredentialVault.cpp:75–87

* @brief Returns true when either a username or a password is stored for host:port. */

 * @brief Returns true when either a username or a password is stored for host:port.
 */
bool MQTT::CredentialVault::hasCredentials(const QString& host, quint16 port) const
{
  if (host.isEmpty())
    return false;

  const auto key = settingsKey(host, port);
  m_settings.beginGroup(QStringLiteral("mqtt/credentials"));
  const bool present = m_settings.contains(key + QStringLiteral("/user"))
                    || m_settings.contains(key + QStringLiteral("/pass"));
  m_settings.endGroup();

  return present;
}

//--------------------------------------------------------------------------------------------------
// Mutations