<?php
require_once __DIR__ . '/../lib/google-api-php-client/src/Google/autoload.php';
require_once __DIR__ . '/mysql.php';
header('Content-Type: application/json; charset=utf-8');
ob_start(NULL, 0, PHP_OUTPUT_HANDLER_CLEANABLE);
try {
$client = new Google_Client();
$client->setAuthConfigFile('client_secrets.json');
$client->addScope(Google_Service_Oauth2::USERINFO_EMAIL);
$client->addScope(Google_Service_Oauth2::USERINFO_PROFILE);
// Fetch the user
$token = htmlspecialchars_decode($_POST['id_token']);
$id = get_user_id_from_token($client, $token);
update_user_login_time($id, ID_TYPE_GOOGLE);
$user = get_user($id, ID_TYPE_GOOGLE);
$data = get_user_data_from_token($client, $token);
// If the user doesn't exist, create a new one
if (isset($user->error)) {
throw new Exception($user->error);
} else {
if (empty($user)) {
$user = create_user($client, $token);
}
}
// Include current picture in user data
if (isset($data['payload']['picture'])) {
$user['picture'] = $data['payload']['picture'];
} else {
$user['picture'] = null;
}
/**
* Creates a new user using the information in the given token and returns the result.
*/
function create_user($client, $token)
{
$google_id = get_user_id_from_token($client, $token);
$data = get_user_data_from_token($client, $token);
$link = db_connect();
$google_id = mysqli_real_escape_string($link, $google_id);
$name = mysqli_real_escape_string($link, $data['payload']['name']);
$email = mysqli_real_escape_string($link, $data['payload']['email']);
$query = "INSERT INTO users (id, google_id, email, name, last_login, created_at, updated_at) VALUES (NULL, '{$google_id}', '{$email}', '{$name}', NULL, NULL, NULL);";
$result = mysqli_query($link, $query);
mysqli_close($link);
return get_user($google_id, ID_TYPE_GOOGLE);
}