Get client from Client Credentials Grant - Laravel Passport

laravel-client-form-client-credentials.md

    $bearerToken=$request->bearerToken();
    $tokenId= (new \Lcobucci\JWT\Parser())->parse($bearerToken)->getHeader('jti');
    $client = \Laravel\Passport\Token::find($tokenId)->client;

OR

Update your app/Http/Kernel.php to use your custom middleware instead of the build in Passport middleware:

protected $routeMiddleware = [
    'client' => \App\Http\Middleware\MyCheckClientCredentials::class,
];

Apply the middleware to your route as normal:

Route::get('/user', function(Request $request) {
    // Should show "oauth_client_id" field.
    dd($request->all());
})->middleware('client');

MyCheckClientCredentials.php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Auth\AuthenticationException;
use League\OAuth2\Server\Exception\OAuthServerException;
use Symfony\Bridge\PsrHttpMessage\Factory\DiactorosFactory;
use Laravel\Passport\Http\Middleware\CheckClientCredentials;

class MyCheckClientCredentials extends CheckClientCredentials
{
    /**
     * The Resource Server instance.
     *
     * @var \League\OAuth2\Server\ResourceServer
     */
    private $server;

    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @param  mixed  ...$scopes
     * @return mixed
     * @throws \Illuminate\Auth\AuthenticationException
     */
    public function handle($request, Closure $next, ...$scopes)
    {
        $psr = (new DiactorosFactory)->createRequest($request);

        try {
            $psr = $this->server->validateAuthenticatedRequest($psr);

            // This is the custom line. Set an "oauth_client_id" field on the
            // request with the client id determined by the bearer token.
            $request['oauth_client_id'] = $psr->getAttribute('oauth_client_id');

        } catch (OAuthServerException $e) {
            throw new AuthenticationException;
        }

        $this->validateScopes($psr, $scopes);

        return $next($request);
    }
}