auth.js

'use strict';

var login_url = 'https://sso.pokemon.com/sso/login?service=https%3A%2F%2Fsso.pokemon.com%2Fsso%2Foauth2.0%2FcallbackAuthorize';
var login_oauth = 'https://sso.pokemon.com/sso/oauth2.0/accessToken';

// Google Parts
var android_id = '9774d56d682e549c';
var oauth_service = 'audience:server:client_id:848232511240-7so421jotr2609rmqakceuu1luuq0ptb.apps.googleusercontent.com';
var app = 'com.nianticlabs.pokemongo';
var client_sig = '321187995bc7cdc2b5fc91b11a96e2baa8602c62';

module.exports = {
    PokemonClub: function (user, pass, self) {
        return new Promise(function(resolve, reject) {
            var options = {
                url: login_url,
                headers: {
                    'User-Agent': 'niantic'
                }
            };

            self.request.get(options, function (err, response, body) {
                var data;

                if (err) {
                    return reject(err);
                }
                try {
                    data = JSON.parse(body);
                } catch(e) {
                    return reject(e);
                }

                options = {
                    url: login_url,
                    form: {
                        'lt': data.lt,
                        'execution': data.execution,
                        '_eventId': 'submit',
                        'username': user,
                        'password': pass
                    },
                    headers: {
                        'User-Agent': 'niantic'
                    }
                };

                self.request.post(options, function (err, response, body) {
                    //Parse body if any exists, callback with errors if any.
                    if(err) {
                        return reject(err);
                    }

                    if (body) {
                        var parsedBody = JSON.parse(body);
                        if (parsedBody.errors && parsedBody.errors.length !== 0) {
                            return reject('Error logging in: ' + parsedBody.errors[0]);
                        }
                    }

                    var ticket = response.headers['location'].split('ticket=')[1];

                    options = {
                        url: login_oauth,
                        form: {
                            'client_id': 'mobile-app_pokemon-go',
                            'redirect_uri': 'https://www.nianticlabs.com/pokemongo/error',
                            'client_secret': 'w8ScCUXJQc6kXKw8FiOhd8Fixzht18Dq3PEVkUCP5ZPxtgyWsbTvWHFLm2wNY0JR',
                            'grant_type': 'refresh_token',
                            'code': ticket
                        },
                        headers: {
                            'User-Agent': 'niantic'
                        }
                    };

                    self.request.post(options, function (err, response, body) {
                        var token;

                        if(err) {
                            return reject(err);
                        }

                        // console.log(body);

                        try {
                            token = body.split('token=')[1];
                            token = token.split('&')[0];
                        } catch(e) {
                            return reject('[x] Either the PTC servers are down OR your login information is wrong');
                        }

                        var expiry = body.split('token=')[1].split('&expires=')[1];

                        if (!token) {
                            return reject('Login failed');
                        }

                        self.DebugPrint('[i] Session token: ' + token);
                        return resolve([token, expiry]);
                    });

                });

            });
        });
    },
    GoogleAccount: function (user, pass, self) {
        return new Promise(function(resolve, reject) {
            self.google.login(user, pass, android_id, function (err, data) {
                if (data) {
                    self.google.oauth(user, data.masterToken, data.androidId, oauth_service, app, client_sig, function (err, data) {
                        if (err) {
                            return reject(err);
                        }
                        return resolve([data.Auth, data.Expiry]);
                    });
                }
                else {
                    return reject(err);
                }
            });
        });
    }
};