provider: function()

in api/controllers/AuthController.js [41:76]
35 lines of code
6 McCabe index (conditional complexity)

  provider: function (req, res) {
    // If token present, override oauth login
    if (process.env.GITHUB_TOKEN) {
      request.get({
        url: 'https://api.github.com/user?access_token=' +
          process.env.GITHUB_TOKEN,
        json: true,
        headers: {
          'User-Agent': 'request'
        }
      }, function(err, clientReq, ghUser) {
        var record = { username: ghUser.login };
        User.findOrCreate(record, record, function(err, user) {
          if (err) return res.badRequest('Unable to log in with token');
          user = user.length ? user[0] : user;
          Passport.create({
            identifier: ghUser.id,
            protocol: 'oauth2',
            tokens: { accessToken: process.env.GITHUB_TOKEN },
            provider: 'github',
            user: user.id
          }, function(err, passport) {
            if (err) return res.badRequest('Unable to log in with token');
            user.passport = [passport];
            req.login(user, function (err) {
              if (err) return res.badRequest('Unable to log in with token');
              req.session.authenticated = true;
              res.redirect('/');
            });
          });
        });
      });
    } else {
      passport.endpoint(req, res);
    }
  },