RequestConditional.php

<?php
 
namespace Http\Message\Authentication;
 
use Http\Message\Authentication;
use Http\Message\RequestMatcher;
use Psr\Http\Message\RequestInterface;
 
final class RequestConditional implements Authentication
{
    private $requestMatcher;
 
    private $authentication;
 
    public function __construct(RequestMatcher $requestMatcher, Authentication $authentication)
    {
        $this->requestMatcher = $requestMatcher;
        $this->authentication = $authentication;
    }
 
    public function authenticate(RequestInterface $request)
    {
        if ($this->requestMatcher->matches($request)) {
            return $this->authentication->authenticate($request);
        }
 
        return $request;
    }
}