node/test/parallel/test-tls-peer-certificate.js

// Copyright Joyent, Inc. and other Node contributors.
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'use strict';
require('../common');
const fixtures = require('../common/fixtures');

// Verify that detailed getPeerCertificate() return value has all certs.

const {
  assert, connect, debug, keys
} = require(fixtures.path('tls-connect'));

connect({
  client: { rejectUnauthorized: false },
  server: keys.agent1,
}, function(err, pair, cleanup) {
  assert.ifError(err);
  const socket = pair.client.conn;
  let peerCert = socket.getPeerCertificate();
  assert.ok(!peerCert.issuerCertificate);

  peerCert = socket.getPeerCertificate(true);
  debug('peerCert:\n', peerCert);

  assert.ok(peerCert.issuerCertificate);
  assert.strictEqual(peerCert.subject.emailAddress, 'ry@tinyclouds.org');
  assert.strictEqual(peerCert.serialNumber, '9A84ABCFB8A72AC0');
  assert.strictEqual(peerCert.exponent, '0x10001');
  assert.strictEqual(
    peerCert.fingerprint,
    '8D:06:3A:B3:E5:8B:85:29:72:4F:7D:1B:54:CD:95:19:3C:EF:6F:AA'
  );
  assert.deepStrictEqual(peerCert.infoAccess['OCSP - URI'],
                         [ 'http://ocsp.nodejs.org/' ]);

  const issuer = peerCert.issuerCertificate;
  assert.strictEqual(issuer.issuerCertificate, issuer);
  assert.strictEqual(issuer.serialNumber, '8DF21C01468AF393');

  return cleanup();
});