/**
* Write remember-me token into database and into cookie
* Maybe splitting this into database and cookie part ?
*
* @param $user_id
*/
public static function setRememberMeInDatabaseAndCookie($user_id)
{
if (self::$setRememberMeTokenQuery === null) {
self::$setRememberMeTokenQuery = DatabaseFactory::getFactory()->getConnection()->prepare("UPDATE users SET user_remember_me_token = :user_remember_me_token WHERE user_id = :user_id LIMIT 1");
}
// generate 64 char random string
$random_token_string = hash('sha256', mt_rand());
// write that token into database
self::$setRememberMeTokenQuery->execute(array(':user_remember_me_token' => $random_token_string, ':user_id' => $user_id));
// generate cookie string that consists of user id, random string and combined hash of both
$cookie_string_first_part = $user_id . ':' . $random_token_string;
$cookie_string_hash = hash('sha256', $cookie_string_first_part);
$cookie_string = $cookie_string_first_part . ':' . $cookie_string_hash;
// set cookie
setcookie('remember_me', $cookie_string, time() + Config::get('COOKIE_RUNTIME'), Config::get('COOKIE_PATH'));
}