node/test/parallel/test-tls-set-default-ca-certificates-reset-https-request.js

'use strict';

// This tests that tls.setDefaultCACertificates() affects actual HTTPS connections

const common = require('../common');
if (!common.hasCrypto) common.skip('missing crypto');

const assert = require('assert');
const https = require('https');
const tls = require('tls');
const fixtures = require('../common/fixtures');

// Test HTTPS connection succeeds with proper CA, fails after removing it
const server = https.createServer({
  cert: fixtures.readKey('agent8-cert.pem'),
  key: fixtures.readKey('agent8-key.pem'),
}, common.mustCall((req, res) => {
  res.writeHead(200);
  res.end('hello world');
}, 1));

server.listen(0, common.mustCall(() => {
  const port = server.address().port;

  // First, set the correct CA certificate - connection should succeed.
  tls.setDefaultCACertificates([fixtures.readKey('fake-startcom-root-cert.pem')]);

  const req1 = https.request({
    hostname: 'localhost',
    port: port,
    path: '/',
    method: 'GET'
  }, common.mustCall((res) => {
    assert.strictEqual(res.statusCode, 200);
    let data = '';
    res.on('data', (chunk) => data += chunk);
    res.on('end', common.mustCall(() => {
      assert.strictEqual(data, 'hello world');

      // Now set empty CA store - connection should fail.
      tls.setDefaultCACertificates([]);

      const req2 = https.request({
        hostname: '127.0.0.1',  // Use a different hostname to skip session cache.
        port: port,
        path: '/',
        method: 'GET'
      }, common.mustNotCall('Should not succeed with empty CA'));

      req2.on('error', common.mustCall((err) => {
        // Should fail with certificate verification error.
        assert.strictEqual(err.code, 'UNABLE_TO_VERIFY_LEAF_SIGNATURE');
        server.close();
      }));

      req2.end();
    }));
  }));

  req1.on('error', common.mustNotCall('Should not error with correct CA'));
  req1.end();
}));