// Load configurations
require 'config/client.php';
require 'config/login.php';
require_once 'Google/Client.php';
require_once 'Google/Service/Oauth2.php';
require 'Google/Google.php';
$google = new Google(APP_NAME, CLIENT_ID, CLIENT_SECRET, unserialize(SCOPES), REDIRECT_URI);
if (isset($_GET['code'])) {
// Exchange the code for access token
$google->authenticate($_GET['code']);
$_SESSION['access_token'] = $google->getAccessToken();
$redirect = 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
header('Location: ' . filter_var($redirect, FILTER_SANITIZE_URL));
exit;
}
if ($google->IsAuthenticated()) {
// Google User is authenticated and authorized
// Login/Registration can be proceeded
$gUser = $google->getUserProfile();
$loginHelper = new LoginHelper($db);
$user_id = $loginHelper->IsRegistered(OAUTH_GOOGLE, $gUser['id']);
if ($user_id) {
// User is already registered - Log in the user
$redicrect_uri = $loginHelper->Login($user_id, OAUTH_GOOGLE, $gUser['id']);
header("Location: {$redirect_uri}");
exit;
} else {
// User is not registerd
// Email may be registered already
$rUser = $loginHelper->IsEmailRegistered($gUser['email']);
if ($rUser) {
