Laravel 5.4 (and 5.5) native User Authentication + Role Authorization

A very brief step-by-step of how to implement a native Laravel 5.4 user authentication + role authorization.

Starting from a fresh Laravel 5.4/5.5 installation,

run the php artisan to create the Auth resource:

$ php artisan make:auth

Create the Role model and respective migration (-m parameter):

$ php artisan make:model Role -m

Edit CreateRolesTable class in the migrations folder:

public function up()
{
  Schema::create(‘roles’, function (Blueprint $table) {
    $table->increments(‘id’);
    $table->string(‘name’);
    $table->string(‘description’);
    $table->timestamps();
  });
}
public function down()
{
  Schema::dropIfExists(‘roles’);
}

Create a new migration for the role_user pivot table :

$ php artisan make:migration create_role_user_table

Edit CreateRoleUserTable class in the migrations folder:

public function up()
{
  Schema::create(‘role_user’, function (Blueprint $table) {
    $table->increments(‘id’);
    $table->integer(‘role_id’)->unsigned();
    $table->integer(‘user_id’)->unsigned();
  });
}
public function down()
{
  Schema::dropIfExists(‘role_user’);
}

Now let’s provide a many-to-many relationship between User and Role

Open User model and add the following method:

public function roles()
{
  return $this->belongsToMany(Role::class);
}

Do the same with Role model:

public function users()
{
  return $this->belongsToMany(User::class);
}

It’s time to create some seeders to add roles and users in the database:

$ php artisan make:seeder RoleTableSeeder
$ php artisan make:seeder UserTableSeeder

Edit RoleTableSeeder class (database/seeds/ folder) adding the following code in

run() method:

use Illuminate\Database\Seeder;
use App\Role;
class RoleTableSeeder extends Seeder
{
  public function run()
  {
    $role_employee = new Role();
    $role_employee->name = ‘employee’;
    $role_employee->description = ‘A Employee User’;
    $role_employee->save();
    $role_manager = new Role();
    $role_manager->name = ‘manager’;
    $role_manager->description = ‘A Manager User’;
    $role_manager->save();
  }
}

Do the same with UserTableSeeder class:

use Illuminate\Database\Seeder;
use App\User;
use App\Role;
class UserTableSeeder extends Seeder
{
  public function run()
  {
    $role_employee = Role::where(‘name’, ‘employee’)->first();
    $role_manager  = Role::where(‘name’, ‘manager’)->first();
    $employee = new User();
    $employee->name = ‘Employee Name’;
    $employee->email = ‘employee@example.com’;
    $employee->password = bcrypt(‘secret’);
    $employee->save();
    $employee->roles()->attach($role_employee);
    $manager = new User();
    $manager->name = ‘Manager Name’;
    $manager->email = ‘manager@example.com’;
    $manager->password = bcrypt(‘secret’);
    $manager->save();
    $manager->roles()->attach($role_manager);
  }
}

Edit DatabaseSeeder class (database/seeds/ folder) adding the following code in

run() method:

public function run()
{
  // Role comes before User seeder here.
  $this->call(RoleTableSeeder::class);
  // User seeder will use the roles above created.
  $this->call(UserTableSeeder::class);
}

Almost done! Don’t give up! ^^

Open User model and add these three tiny methods:

/**
* @param string|array $roles
*/
public function authorizeRoles($roles)
{
  if (is_array($roles)) {
      return $this->hasAnyRole($roles) || 
             abort(401, 'This action is unauthorized.');
  }
  return $this->hasRole($roles) || 
         abort(401, 'This action is unauthorized.');
}
/**
* Check multiple roles
* @param array $roles
*/
public function hasAnyRole($roles)
{
  return null !== $this->roles()->whereIn(‘name’, $roles)->first();
}
/**
* Check one role
* @param string $role
*/
public function hasRole($role)
{
  return null !== $this->roles()->where(‘name’, $role)->first();
}

Open app/Http/Controllers/Auth/RegisterController.php and change the create() method to set a default Role for new Users:

use App\Role;
class RegisterController ...
protected function create(array $data)
  {
    $user = User::create([
      'name'     => $data['name'],
      'email'    => $data['email'],
      'password' => bcrypt($data['password']),
    ]);
    $user
       ->roles()
       ->attach(Role::where('name', 'employee')->first());
    return $user;
}

---

Run the migrate command with seed parameter. Next time you login, each user should have a role.

$ php artisan migrate:fresh --seed

Finally the final step!

Now, all you need to do is call the User authorizeRoles() method inside your Controller Actions or Middlewares and pass an array with the user roles you want to grant access.

class HomeController extends Controller
{
  public function __construct()
  {
    $this->middleware('auth');
  }
  public function index(Request $request)
  {
    $request->user()->authorizeRoles(['employee', 'manager']);
    return view(‘home’);
  }
  /*
  public function someAdminStuff(Request $request)
  {
    $request->user()->authorizeRoles('manager');
    return view(‘some.view’);
  }
  */
}

After this point, just proceed with the normal development flow. Build a interface CRUD to manage roles and assign them to the users.

Source: Medium