# Laravel Passport Integration

This guide will show Laravel API authentication using passport

# Introduction

Laravel Passport provides a full OAuth2 server implementation for your Laravel application in a matter of minutes. Passport is built on top of the League OAuth2 server (opens new window) that is maintained by Andy Millington and Simon Hamp.

# Passport Or Sanctum?

Before getting started, you may wish to determine if your application would be better served by Laravel Passport or Laravel sanctum (opens new window). If your application absolutely needs to support OAuth2, then you should use Laravel Passport.

However, if you are attempting to authenticate a single-page application, mobile application, or issue API tokens, you should use Laravel sanctum (opens new window). Laravel Sanctum does not support OAuth2; however, it provides a much simpler API authentication development experience.

# Installation

To get started, install Passport via the Composer package manager:
```
composer require laravel/passport
```
Passport's service provider (opens new window) registers its own database migration directory, so you should migrate your database after installing the package. The Passport migrations will create the tables your application needs to store OAuth2 clients and access tokens:
```
php artisan migrate
```
Next, you should execute the passport:install Artisan command. This command will create the encryption keys needed to generate secure access tokens. In addition, the command will create "personal access" and "password grant" clients which will be used to generate access tokens:
```
php artisan passport:install
```
Note

If you would like to use UUIDs as the primary key value of the Passport Client model instead of auto-incrementing integers, please install Passport using the uuids option (opens new window).

After running the passport:install command, add the Laravel\Passport\HasApiTokens trait to your App\Models\User model. This trait will provide a few helper methods to your model which allow you to inspect the authenticated user's token and scopes:

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Laravel\Passport\HasApiTokens;

class User extends Authenticatable
{
    use HasApiTokens, HasFactory, Notifiable;
}

Finally, in your application's config/auth.php configuration file, you should set the driver option of the api authentication guard to passport. This will instruct your application to use Passport's TokenGuard when authenticating incoming API requests:

'guards' => [
    'web' => [
        'driver' => 'session',
        'provider' => 'users',
    ],

    'api' => [
        'driver' => 'passport',
        'provider' => 'users',
    ],
],

# Client UUIDs

You may also run the passport:install command with the --uuids option present. This option will instruct Passport that you would like to use UUIDs instead of auto-incrementing integers as the Passport Client model's primary key values. After running the passport:install command with the --uuids option, you will be given additional instructions regarding disabling Passport's default migrations:

php artisan passport:install --uuids

# Deploying Passport

When deploying Passport to your application's servers for the first time, you will likely need to run the passport:keys command. This command generates the encryption keys Passport needs in order to generate access tokens. The generated keys are not typically kept in source control:

php artisan passport:keys

If necessary, you may define the path where Passport's keys should be loaded from. You may use the Passport::loadKeysFrom method to accomplish this. Typically, this method should be called from the boot method of your application's App\Providers\AuthServiceProvider class:

/**
 * Register any authentication / authorization services.
 *
 * @return void
 */
public function boot()
{
    $this->registerPolicies();

    Passport::routes();

    Passport::loadKeysFrom(__DIR__.'/../secrets/oauth');
}

Note

You can read Laravel Passport (opens new window) documentation in detail for Configurations, Migration, Upgrading Passport, Issuing Access Tokens, Requesting Tokens, Refreshing, Revoking & Purging Tokens etc..

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