Function addSignatureDetails

src/modules/pgpModel.js:112–139

* Add signing key details to signature. Validate if sender identity matches signature. * @param {Array} signatures * @param {KeyringBase} keyring

({signatures = [], keyring, senderAddress})

 * @param {KeyringBase} keyring
 */
async function addSignatureDetails({signatures = [], keyring, senderAddress}) {
  let senderKeys;
  if (senderAddress) {
    // valid sender keys for verification of the message are keys with the sender email address as user ID
    ({[senderAddress]: senderKeys} = await keyring.getKeyByAddress(senderAddress));
  }
  for (const signature of signatures) {
    if (signature.valid === null) {
      continue;
    }
    const signingKey = keyring.keystore.getKeysForId(signature.fingerprint ?? signature.keyId, true);
    if (signingKey) {
      [signature.keyDetails] = await mapKeys(signingKey);
    }
    if (!signature.valid) {
      continue;
    }
    if (senderKeys) {
      if (!senderKeys.length) {
        // we don't have the sender email and therefore the connection between this signature and the sender is uncertain
        signature.uncertainSender = true;
      } else if (!senderKeys.some(key => key.getKeys(keyIDfromHex(signature)).length)) {
        // sender email is not present in user ID of key that created this signature
        signature.senderMismatch = true;
      }
    }
  }
}

export function noKeyFoundError(encryptionKeyIds) {
  const keyId = encryptionKeyIds[0].toHex();