node/test/parallel/test-https-client-checkServerIdentity.js

// Copyright Joyent, Inc. and other Node contributors.
//
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//
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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'use strict';
const common = require('../common');
if (!common.hasCrypto)
  common.skip('missing crypto');

const assert = require('assert');
const https = require('https');
const fs = require('fs');
const path = require('path');

const options = {
  key: fs.readFileSync(path.join(common.fixturesDir, 'keys/agent3-key.pem')),
  cert: fs.readFileSync(path.join(common.fixturesDir, 'keys/agent3-cert.pem'))
};

const server = https.createServer(options, common.mustCall(function(req, res) {
  res.writeHead(200);
  res.end();
  req.resume();
})).listen(0, function() {
  authorized();
});

function authorized() {
  const req = https.request({
    port: server.address().port,
    rejectUnauthorized: true,
    ca: [fs.readFileSync(path.join(common.fixturesDir, 'keys/ca2-cert.pem'))]
  }, common.mustNotCall());
  req.on('error', function(err) {
    override();
  });
  req.end();
}

function override() {
  const options = {
    port: server.address().port,
    rejectUnauthorized: true,
    ca: [fs.readFileSync(path.join(common.fixturesDir, 'keys/ca2-cert.pem'))],
    checkServerIdentity: function(host, cert) {
      return false;
    }
  };
  options.agent = new https.Agent(options);
  const req = https.request(options, function(res) {
    assert(req.socket.authorized);
    server.close();
  });
  req.on('error', function(err) {
    throw err;
  });
  req.end();
}