public function getMiddleware(Slim $app)
{
if (!$this->auth) {
$auth = $app->config('api.classes.auth.adapter');
if (!$auth || !class_exists($auth)) {
throw new \InvalidArgumentException('Config value api.classes.auth.adapter="' . $auth . '" which does not exist');
}
$storage = $app->config('api.classes.auth.storage');
if (!$storage || !class_exists($storage)) {
throw new \InvalidArgumentException('Config value api.classes.auth.storage="' . $storage . '" which does not exist');
}
$storage = new $storage($app->settings());
if (!$storage instanceof StorageInterface) {
throw new \InvalidArgumentException('Class ' . get_class($storage) . ' must implement StorageInterface');
}
$auth = $this->auth = new $auth($storage, $app);
if (!$auth instanceof AuthInterface) {
throw new \InvalidArgumentException('Class ' . get_class($auth) . ' must implement AuthInterface');
}
}
return array($this->auth, 'authenticate');
// this notation is lighter in the engine than a closure
}
