epicgames-client-device-auth.js

const { Launcher } = require('epicgames-client');
const request = require('request-promise');

const deviceAuthCredentials = {
  accountId: '',
  deviceId: '',
  secret: '',
};

/*
  This is an example on how to launch epicgames-client using device auth.
  Device auth prevents captcha errors. Just put in your device auth credentials in here.
  
  To generate device auth credentials you can use my gist: https://gist.github.com/ThisNils/23c5dc9a49164e5419219a1654c0827c
*/

(async () => {

  const launcher = new Launcher();

  if (!await launcher.init()) {
    throw new Error('Error while initialize process.');
  }

  const fortniteToken = await request.post({
    url: 'https://account-public-service-prod03.ol.epicgames.com/account/api/oauth/token',
    form: {
      grant_type: 'device_auth',
      account_id: deviceAuthCredentials.accountId,
      device_id: deviceAuthCredentials.deviceId,
      secret: deviceAuthCredentials.secret,
    },
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded',
      Authorization: 'basic MzQ0NmNkNzI2OTRjNGE0NDg1ZDgxYjc3YWRiYjIxNDE6OTIwOWQ0YTVlMjVhNDU3ZmI5YjA3NDg5ZDMxM2I0MWE=',
    },
    json: true,
  });

  const launcherExchange = await request.get({
    url: 'https://account-public-service-prod.ol.epicgames.com/account/api/oauth/exchange',
    headers: {
      Authorization: `${fortniteToken.token_type} ${fortniteToken.access_token}`,
    },
    json: true,
  });

  await launcher.login(null, launcherExchange.code);
  
  const playerName = 'Kysune';
  const account = await launcher.getProfile(playerName);
  if (!account) throw new Error(`Player ${playerName} not found!`);
	
  console.log(`${account.name}'s id: ${account.id}`);
  // "Kysune's id: 9a1d43b1d826420e9fa393a79b74b2ff"

})();