lumen-passport

Making Laravel Passport work with Lumen

A simple service provider that makes Laravel Passport work with Lumen

Dependencies

PHP >= 5.6.3
Lumen >= 5.3

Installation via Composer

First install Lumen if you don't have it yet:

$ composer create-project --prefer-dist laravel/lumen lumen-app

Then install Lumen Passport (it will fetch Laravel Passport along):

$ cd lumen-app
$ composer require dusterio/lumen-passport

Or if you prefer, edit composer.json manually:

{
    "require": {
        "dusterio/lumen-passport": "^0.2.0"
    }
}

Modify the bootstrap flow (`bootstrap/app.php` file)

We need to enable both Laravel Passport provider and Lumen-specific provider:

// Enable Facades
$app->withFacades();

// Enable Eloquent
$app->withEloquent();

// Enable auth middleware (shipped with Lumen)
$app->routeMiddleware([
    'auth' => App\Http\Middleware\Authenticate::class,
]);

// Finally register two service providers - original one and Lumen adapter
$app->register(Laravel\Passport\PassportServiceProvider::class);
$app->register(Dusterio\LumenPassport\PassportServiceProvider::class);

Migrate and install Laravel Passport

# Create new tables for Passport
php artisan migrate

# Install encryption keys and other necessary stuff for Passport
php artisan passport:install

Installed routes

This package mounts the following routes after you call routes() method (see instructions below):

Verb	Path	Controller	Action	Middleware
POST	/oauth/token	\Laravel\Passport\Http\Controllers\AccessTokenController	issueToken	-
GET	/oauth/tokens	\Laravel\Passport\Http\Controllers\AuthorizedAccessTokenController	forUser	auth
DELETE	/oauth/tokens/{token_id}	\Laravel\Passport\Http\Controllers\AuthorizedAccessTokenController	destroy	auth
POST	/oauth/token/refresh	\Laravel\Passport\Http\Controllers\TransientTokenController	refresh	auth
GET	/oauth/clients	\Laravel\Passport\Http\Controllers\ClientController	forUser	auth
POST	/oauth/clients	\Laravel\Passport\Http\Controllers\ClientController	store	auth
PUT	/oauth/clients/{client_id}	\Laravel\Passport\Http\Controllers\ClientController	update	auth
DELETE	/oauth/clients/{client_id}	\Laravel\Passport\Http\Controllers\ClientController	destroy	auth
GET	/oauth/scopes	\Laravel\Passport\Http\Controllers\ScopeController	all	auth
GET	/oauth/personal-access-tokens	\Laravel\Passport\Http\Controllers\PersonalAccessTokenController	forUser	auth
POST	/oauth/personal-access-tokens	\Laravel\Passport\Http\Controllers\PersonalAccessTokenController	store	auth
DELETE	/oauth/personal-access-tokens/{token_id}	\Laravel\Passport\Http\Controllers\PersonalAccessTokenController	destroy	auth

Please note that some of the Laravel Passport's routes had to 'go away' because they are web-related and rely on sessions (eg. authorise pages). Lumen is an API framework so only API-related routes are present.

Configuration

Edit config/auth.php to suit your needs. A simple example:

return [
    'defaults' => [
        'guard' => 'api',
        'passwords' => 'users',
    ],

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

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

Load the config in bootstrap/app.php since Lumen doesn't load config files automatically:

$app->configure('auth');

Registering Routes

Next, you should call the LumenPassport::routes method within the boot method of your application (one of your service providers). This method will register the routes necessary to issue access tokens and revoke access tokens, clients, and personal access tokens:

\Dusterio\LumenPassport\LumenPassport::routes($this->app);

You can add that into an existing group, or add use this route registrar independently like so;

\Dusterio\LumenPassport\LumenPassport::routes($this->app, ['prefix' => 'v1/oauth']);

User model

Make sure your user model uses Passport's HasApiTokens trait, eg.:

class User extends Model implements AuthenticatableContract, AuthorizableContract
{
    use HasApiTokens, Authenticatable, Authorizable;

    /* rest of the model */
}

Extra features

There are a couple of extra features that aren't present in Laravel Passport

Allowing multiple tokens per client

Sometimes it's handy to allow multiple access tokens per password grant client. Eg. user logs in from several browsers simultaneously. Currently Laravel Passport does not allow that.

use Dusterio\LumenPassport\LumenPassport;

// Somewhere in your application service provider or bootstrap process
LumenPassport::allowMultipleTokens();

Different TTLs for different password clients

Laravel Passport allows to set one global TTL for access tokens, but it may be useful sometimes to set different TTLs for different clients (eg. mobile users get more time than desktop users).

Simply do the following in your service provider:

// Second parameter is the client Id
LumenPassport::tokensExpireIn(Carbon::now()->addYears(50), 2);

If you don't specify client Id, it will simply fall back to Laravel Passport implementation.

Console command for purging expired tokens

Simply run php artisan passport:purge to remove expired refresh tokens and their corresponding access tokens from the database.

Running with Apache httpd

If you are using Apache web server, it may strip Authorization headers and thus break Passport.

Add the following either to your config directly or to .htaccess:

RewriteEngine On
RewriteCond %{HTTP:Authorization} ^(.*)
RewriteRule .* - [e=HTTP_AUTHORIZATION:%1]

License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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