<?php
Route::filter('administrator', function(){
    $auth = app('api.auth');
    if (empty($auth->user()) || !$auth->user()->isAdministrator) {
        throw new \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException();
    }
});

Route::filter('current_user', function() {
    $auth = app('api.auth');
    if (empty($auth->user()) || Route::input('user') != $auth->user()->email) {
        throw new \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException();
    }
});