Function getKeyByAddress

src/modules/keyring.js:438–473

(keyringId, emails, {validForEncrypt = true, verifyUser = true} = {})

 * @return {Object} - map in the form {address: [key]}
 */
export async function getKeyByAddress(keyringId, emails, {validForEncrypt = true, verifyUser = true} = {}) {
  await keyringInitialized;
  const result = Object.create(null);
  emails = toArray(emails);
  const keyrings = getPreferredKeyringQueue(keyringId);
  for (const email of emails) {
    const latestKey = [];
    const boundKey = [];
    for (const keyring of keyrings) {
      if (prefs.keyserver.key_binding) {
        const fpr = await getKeyBinding(keyring, email);
        if (fpr) {
          try {
            const [key] = keyring.getKeysByFprs([fpr], true);
            boundKey.push(key);
          } catch (e) {}
        }
      }
      if (!boundKey.length) {
        const {[email]: keys} = await keyring.getKeyByAddress(email, {validForEncrypt, verifyUser, sort: true});
        if (keys) {
          latestKey.push(keys[0]);
        }
      }
    }
    const keys = boundKey.length ? boundKey : latestKey;
    if (keys.length) {
      keys.sort((a, b) => getLastModifiedDate(b) - getLastModifiedDate(a));
      keys.length = 1;
      result[email] = keys;
    } else {
      result[email] = false;
    }
  }
  return result;
}

/**
 * Return list of keyrings in the preferred priority order