паспорт коа oauth2 сохранить токен в состояние

    var app = new Koa();
    app.keys = ['keys', 'keykeys'];
    var memoryStore = new session.MemoryStore();

    // Session
    app.use(session({
        secret: 'some secret',
        resave: false,
        saveUninitialized: true,
        store: memoryStore
      }));

    // Passport
    const passport = require('./oauth2')
    app.use(passport.initialize());
    app.use(passport.session());

const request = require('request');
const passport = require('koa-passport');
const OAuth2Strategy = require('passport-oauth2').Strategy;


const clientId = "b2m";
const clientSecrect = "57ce5bba-f336-417f-b9c2-06157face88f";

OAuth2Strategy.prototype.userProfile = function (accessToken, done) {
  var options = {
      url: 'http://localhost:8080/auth/realms/master/protocol/openid-connect/userinfo',
      headers: {
          'User-Agent': 'request',
          'Authorization': 'Bearer ' + accessToken,
      }
  };

  request(options, callback);

  function callback(error, response, body) {
      if (error || response.statusCode !== 200) {
          return done(error);
      }
      var info = JSON.parse(body);
      return done(null, info);
  }
};

passport.use(new OAuth2Strategy({
    authorizationURL: 'http://localhost:8080/auth/realms/master/protocol/openid-connect/auth',
    tokenURL: 'http://localhost:8080/auth/realms/master/protocol/openid-connect/token',
    clientID: clientId,
    clientSecret: clientSecrect,
    callbackURL: "http://localhost:3000/callback"
  },
  function(accessToken, refreshToken, profile, cb) {
    console.log('#########################################################');
    console.log('Authenticated with OAuth2');
    console.log('accessToken', accessToken);
    console.log('refreshToken', refreshToken);
    
    var user = {
      accessToken: accessToken,
      refreshToken: refreshToken,
      profile: profile
    };
    console.log('user', user);

    return cb(null, user);
  }
));

/* Example: storing user data received from the strategy callback in the session, i.e. in `req.session.passport.user` */
passport.serializeUser(function(user, done) {
    done(null, user);
  });
  
/* Example: getting the user data back from session and attaching it to the request object, i.e. to `req.user` */
passport.deserializeUser(function (user, next) {
    /*
      Example: if only a user identifier is stored in the session, this is where
      the full set could be retrieved, e.g. from a database, and passed to the next step
    */
    next(null, user);
});

module.exports = passport;