Laravel: Understanding the Authentication Guard [Part 4] - Example 1

18b3995c4874-AuthServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\Facades\Gate;
use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;

class AuthServiceProvider extends ServiceProvider
{
    /**
     * The policy mappings for the application.
     *
     * @var array
     */
    protected $policies = [
        // 'App\Model' => 'App\Policies\ModelPolicy',
    ];

    /**
     * Register any authentication / authorization services.
     *
     * @return void
     */
    public function boot()
    {
        $this->registerPolicies();
    }
    
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register() 
    {        
        // Since the Auth Manager doesn't have to be called in every Request, we will just
        // set a callback before the application resolves it and passes it where it was
        // called. In that moment we will add the HeaderGuard and ApiUserProvider.
        $this->app->resolving('auth', function ($auth) {
            
            $auth->extend('header', function ($app, $name, array $config) {
                return $app->make(\App\Auth\HeaderGuard::class, [        
                    'name' => $name,
                    'config' => $config,
                    'provider' => $app['auth']->createUserProvider($config['provider'] ?? null)
                ]);
            });
            
            $auth->provider('external-api', function ($app, $config) {
                return $app->make(\App\Auth\ApiUserProvider::class, [
                    'config' => $config,
                ]);
            });
        });
    }
}