Multi Auth with Laravel 5.4 and Passport

Question

I am trying to setup multi auth with Laravel Passport, but it doesn\'t seem to support it. I am using the Password Grant to issue tokens which requires me to pass username/p

Answer 1

I have done it in Laravel 7 without any custom code as suggested other answers. I have just changed 3 file as follows

config/auth.php file (My new table name is doctors)

'guards' => [
   ...
    'api' => [
        'driver' => 'passport',
        'provider' => 'users',
        'hash' => false,
    ],
    'api-doctors' => [
        'driver' => 'passport',
        'provider' => 'doctors',
    ],
],

'providers' => [
    'users' => [
        'driver' => 'eloquent',
        'model' => App\User::class,
    ],
    
    'doctors' => [
        'driver' => 'eloquent',
        'model' => App\Doctor::class,
    ],
],

Revise my Doctor model similarly as User model (App/Doctor.php)

....
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Laravel\Passport\HasApiTokens;

class Doctor extends Authenticatable
{
  use HasApiTokens, Notifiable;

Finally define routes using middleware routes/api.php file as follows

//normal middleware which exist already
Route::post('/choose', 'PatientController@appointment')->middleware('auth:api');

//newly created middleware provider (at config/auth.php)
Route::post('/accept', 'Api\DoctorController@allow')->middleware('auth:api-doctors');

Now when you will create new oauth client you may use artisan passport:client --password --provider this command which prompt you in command line for choosing table before that do not forget to run

php artisan config:cache
php artisan cache:clear

Also you can create user manually in oauth_clients table by replacing provider column value users to doctors

Some hints at reference link https://laravel.com/docs/7.x/passport#customizing-the-user-provider