<?php declare(strict_types=1); namespace Buzz\Middleware; use Buzz\Exception\InvalidArgumentException; use Psr\Http\Message\RequestInterface; use Psr\Http\Message\ResponseInterface; class BearerAuthMiddleware implements MiddlewareInterface { private $accessToken; public function __construct(string $accessToken) { if (empty($accessToken)) { throw new InvalidArgumentException('You must supply a non empty accessToken'); } $this->accessToken = $accessToken; } public function handleRequest(RequestInterface $request, callable $next) { $request = $request->withAddedHeader('Authorization', sprintf('Bearer %s', $this->accessToken)); return $next($request); } public function handleResponse(RequestInterface $request, ResponseInterface $response, callable $next) { return $next($request, $response); } }