Overload A1 to integrate Bonafide

a1.php

<?php defined('SYSPATH') OR die('No direct access allowed.');

abstract class A1 extends A1_Core {

	/**
	 * @param Bonafide
	 */
	protected $_bonafide;

	/**
	 * Return a static instance of A1.
	 *
	 * @return  object
	 */
	public static function instance($_name = 'a1')
	{
		static $_instances;

		if ( ! isset($_instances[$_name]))
		{
			$_config   = Kohana::config($_name);
			$_driver   = isset($_config['driver']) ? $_config['driver'] : 'ORM';
			$_class    = 'A1_' . ucfirst($_driver);
			$_bonafide = Bonafide::instance();

			$_instances[$_name] = new $_class($_name, $_config, $_bonafide);
		}

		return $_instances[$_name];
	}

	/**
	 * Loads Session and configuration options.
	 *
	 * @return  void
	 */
	protected function __construct($_name = 'a1', $_config, $_bonafide)
	{
		$this->_bonafide   = $_bonafide;

		parent::__construct($_name, $_config);
	}

	/**
	 * Generates hash for input
	 *
	 * @param   string   value to hash
	 * @param   string   salt (optional, will be generated if missing)
	 * @param   int      cost (optional, will be read from config if missing)
	 * @return  string   hashed input value
	 */
	public function hash($password, $salt = NULL, $cost = NULL)
	{
		return $this->_bonafide->hash($password);
	}

	/**
	 * Checks if password matches hash
	 *
	 * @param   string   password
	 * @param   string   hashed password
	 * @return  boolean  password matches hashed password
	 */
	public function check($password, $hash)
	{
		return $this->_bonafide->check($password, $hash);
	}

}