psecio/gatekeeper

<?php

namespace Psecio\Gatekeeper\Provider\Laravel5;

use Validator;
use Psecio\Gatekeeper\Gatekeeper;
use Psecio\Gatekeeper\Provider\Laravel5\UserProvider;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\ServiceProvider;
use Illuminate\Routing\Router;

class AuthServiceProvider extends ServiceProvider
{
    /**
     * Register (start) the service provider
     *     Sets up the Gatekeeper instance with init() call
     */
    public function register()
    {
        $config = array(
            'username' => env('GATEKEEPER_USER'),
            'password' => env('GATEKEEPER_PASS'),
            'host' => env('GATEKEEPER_HOST'),
            'name' => env('GATEKEEPER_DATABASE'),
        );
        Gatekeeper::init(null, $config);
    }

    /**
     * Boot the provider, adding the "gatekeeper" type to the Auth handling
     *
     * @param Router $router Laravel router instance
     */
    public function boot(Router $router)
    {
        // Add Gatekeeper to the Auth provider list
        Auth::extend('gatekeeper', function($app) {
            return new UserProvider();
        });

        // Create a new "unique" (gkunique)  validator for unique user checking
        Validator::extend('gk_unique', function($attribute, $value, $parameters) {
            $type = (isset($parameters[0])) ? $parameters[0] : 'user';

            // strip a training "s" if there is one
            if (substr($type, -1) === 's') {
                $type = substr($type, 0, strlen($type)-1);
            }
            $method = 'find'.ucwords($type).'By'.ucwords($attribute);
            try {
                $user = Gatekeeper::$method($value);
                return ($user === false);
            } catch (\Exception $e) {
                return false;
            }
        });

        parent::boot($router);
    }
}