Hybrid_Auth::authenticate PHP Method

    public static function authenticate($providerId, $params = null)
    {
        Hybrid_Logger::info("Enter Hybrid_Auth::authenticate( {$providerId} )");
        if (!Hybrid_Auth::storage()->get("hauth_session.{$providerId}.is_logged_in")) {
            // if user not connected to $providerId then try setup a new adapter and start the login process for this provider
            Hybrid_Logger::info("Hybrid_Auth::authenticate( {$providerId} ), User not connected to the provider. Try to authenticate..");
            $provider_adapter = Hybrid_Auth::setup($providerId, $params);
            $provider_adapter->login();
        } else {
            // else, then return the adapter instance for the given provider
            Hybrid_Logger::info("Hybrid_Auth::authenticate( {$providerId} ), User is already connected to this provider. Return the adapter instance.");
            return Hybrid_Auth::getAdapter($providerId);
        }
    }

 public function getGoogleLogin($auth = NULL)
 {
     if ($auth == 'auth') {
         Hybrid_Endpoint::process();
     }
     try {
         $oauth = new Hybrid_Auth(app_path() . '/config/google_auth.php');
         $provider = $oauth->authenticate('Google');
         $profile = $provider->getUserProfile();
     } catch (exception $e) {
         return $e->getMessage();
     }
     if ($user = User::where('email', '=', $profile->email)->first()) {
         Auth::login($user, true);
         return Redirect::intended('/');
     }
     return App::make('frontend\\UserController')->doSignUp(array('email' => $profile->email, 'login' => $profile->identifier, 'password' => "pass1234", 'f_name' => $profile->firstName, 'l_name' => $profile->lastName));
 }