Function getPreferredKeyringQueue

src/modules/keyring.js:480–498

* Return list of keyrings in the preferred priority order * @param {String} keyringId - requested keyring, the leading keyring of a scenario * @return {Array }

(keyringId)

 * @return {Array<KeyringBase>}
 */
function getPreferredKeyringQueue(keyringId) {
  const keyrings = [];
  const hasGpgKeyring = keyringMap.has(GNUPG_KEYRING_ID);
  // use gnupg keyring if available and preferred
  if (hasGpgKeyring && prefs.general.prefer_gnupg) {
    keyrings.push(keyringMap.get(GNUPG_KEYRING_ID));
  }
  // next, if requested keyring is API keyring then use that
  if (isApiKeyring(keyringId)) {
    keyrings.push(keyringMap.get(keyringId));
  }
  // always use the main keyring
  keyrings.push(keyringMap.get(MAIN_KEYRING_ID));
  // if gnupg keyring is available but not preferred, we put at the end of the queue
  if (hasGpgKeyring && !prefs.general.prefer_gnupg) {
    keyrings.push(keyringMap.get(GNUPG_KEYRING_ID));
  }
  return keyrings;
}

/**
 * Get keyring that includes at least one private key of the specified key Ids.