Method applyCertificate

app/src/Licensing/OfflineLicense.cpp:344–374

* @brief Verifies a certificate and, on success, installs the token and persists it. */

 * @brief Verifies a certificate and, on success, installs the token and persists it.
 */
bool Licensing::OfflineLicense::applyCertificate(const QByteArray& framedCert, bool persist)
{
  const qint64 nowSecs = MonotonicClock::now().toSecsSinceEpoch();

  CertificateFields fields;
  const auto status =
    verifyCertificate(framedCert, kOfflinePublicKey, machineId(), nowSecs, fields);
  if (status != CertStatus::Valid) {
    m_lastError = certStatusReason(status);
    if (persist)
      showOfflineError(m_lastError);

    return false;
  }

  m_activated   = true;
  m_lastError   = QString();
  m_variantName = fields.variant;
  m_expiresAt   = QDateTime::fromSecsSinceEpoch(fields.expiresAt);

  if (!LemonSqueezy::instance().isOnlineActivated()) {
    const int days = qMax(0, static_cast<int>((fields.expiresAt - nowSecs) / 86400));
    installOfflineToken(fields, days);
  }

  if (persist)
    writeSettings(framedCert);

  Q_EMIT activatedChanged();
  return true;
}