/home/kueuepay/public_html/vendor/laravel/passport/src/Http/Middleware/CheckCredentials.php
<?php

namespace Laravel\Passport\Http\Middleware;

use Closure;
use Laravel\Passport\Exceptions\AuthenticationException;
use Laravel\Passport\TokenRepository;
use League\OAuth2\Server\Exception\OAuthServerException;
use League\OAuth2\Server\ResourceServer;
use Nyholm\Psr7\Factory\Psr17Factory;
use Symfony\Bridge\PsrHttpMessage\Factory\PsrHttpFactory;

abstract class CheckCredentials
{
    /**
     * The Resource Server instance.
     *
     * @var \League\OAuth2\Server\ResourceServer
     */
    protected $server;

    /**
     * Token Repository.
     *
     * @var \Laravel\Passport\TokenRepository
     */
    protected $repository;

    /**
     * Create a new middleware instance.
     *
     * @param  \League\OAuth2\Server\ResourceServer  $server
     * @param  \Laravel\Passport\TokenRepository  $repository
     * @return void
     */
    public function __construct(ResourceServer $server, TokenRepository $repository)
    {
        $this->server = $server;
        $this->repository = $repository;
    }

    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @param  mixed  ...$scopes
     * @return mixed
     *
     * @throws \Laravel\Passport\Exceptions\AuthenticationException
     */
    public function handle($request, Closure $next, ...$scopes)
    {
        $psr = (new PsrHttpFactory(
            new Psr17Factory,
            new Psr17Factory,
            new Psr17Factory,
            new Psr17Factory
        ))->createRequest($request);

        try {
            $psr = $this->server->validateAuthenticatedRequest($psr);
        } catch (OAuthServerException $e) {
            throw new AuthenticationException;
        }

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

        return $next($request);
    }

    /**
     * Validate the scopes and token on the incoming request.
     *
     * @param  \Psr\Http\Message\ServerRequestInterface  $psr
     * @param  array  $scopes
     * @return void
     *
     * @throws \Laravel\Passport\Exceptions\MissingScopeException|\Illuminate\Auth\AuthenticationException
     */
    protected function validate($psr, $scopes)
    {
        $token = $this->repository->find($psr->getAttribute('oauth_access_token_id'));

        $this->validateCredentials($token);

        $this->validateScopes($token, $scopes);
    }

    /**
     * Validate token credentials.
     *
     * @param  \Laravel\Passport\Token  $token
     * @return void
     *
     * @throws \Laravel\Passport\Exceptions\AuthenticationException
     */
    abstract protected function validateCredentials($token);

    /**
     * Validate token scopes.
     *
     * @param  \Laravel\Passport\Token  $token
     * @param  array  $scopes
     * @return void
     *
     * @throws \Laravel\Passport\Exceptions\MissingScopeException
     */
    abstract protected function validateScopes($token, $scopes);
}
Authentication

Authentication

To access the Kueue Pay Developer API, you’ll need an API key. You can obtain your API key by logging in to your Kueue Pay merchant account and navigating to the API section. Collect Client ID , Secret ID & Merchant ID Carefully. Keep your API key confidential and do not share it publicly.

If you don't have any merchant account please Register to continue