public function get_form()
{
$client_id = \Config::get('ethanol.google.client_id');
$client_secret = \Config::get('ethanol.google.client_secret');
$redirect_uri = urlencode(parent::get_login_controller_path('google'));
$scope = 'https://www.googleapis.com/auth/userinfo.email';
$login_url = "https://accounts.google.com/o/oauth2/auth\n?scope={$scope}\n&redirect_uri={$redirect_uri}\n&response_type=code\n&client_id={$client_id}";
return \View::forge('ethanol/driver/google_login')->set('loginUrl', $login_url)->render();
}
/**
* Logs a user in and makes sure there's an assocated Ethanol user as well
*/
public function validate_user($userdata)
{
//User wants to log in so make sure there's an Ethanol user as well
if ($userdata['state'] != Session::instance()->get_instance()->get('ethanol.driver.facebook.csrf')) {
Logger::instance()->log_log_in_attempt(Model_Log_In_Attempt::$ATTEMPT_BAD_CRIDENTIALS, null);
throw new LogInFailed(\Lang::get('ethanol.errors.loginInvalid'));
}
//Remove the csrf token now that it has been validated
Session::instance()->get_instance()->set('ethanol.driver.facebook.csrf', '');
$app_id = \Config::get('ethanol.facebook.app_id');
$app_secret = \Config::get('ethanol.facebook.app_secret');
$code = \Arr::get($userdata, 'code');
$redirect_url = urlencode(parent::get_login_controller_path('facebook'));
//Get an access token from FB
$token_url = "https://graph.facebook.com/oauth/access_token?" . "client_id=" . $app_id . "&redirect_uri=" . $redirect_url . "&client_secret=" . $app_secret . "&code=" . $code;
$params = parent::get_access_token($token_url, 'facebook');
//Now we have an access token lets get the email and finally create/check
//the ethanol user.
$graph_url = "https://graph.facebook.com/me?access_token=" . $params['access_token'];
$facebookUser = json_decode(file_get_contents($graph_url));
$email = $facebookUser->email;
//Got a user so log in now
return parent::perform_login($email, 'facebook');
}
