var passport = require('passport'),
    OdnoklassnikiStrategy = require('passport-ok-strategy').Strategy;
 
passport.use(new OdnoklassnikiStrategy({
    clientID: '<app id>',
    clientPublic: '<public key>',
    clientSecret: '<secret key>',
    callbackURL: 'http://localhost:3000/auth/odnoklassniki/callback'
  },
  function(accessToken, refreshToken, profile, cb) {
    User.findOrCreate({okId: profile.id}, function (err, user) {
      return cb(err, user);
    });
  }
));

app.get('/auth/odnoklassniki',
  passport.authenticate('odnoklassniki'));
 
app.get('/auth/odnoklassniki/callback',
  passport.authenticate('odnoklassniki', {failureRedirect: '/login'}),
  function(req, res) {
    // Successful authentication, redirect home.
    res.redirect('/');
  });