93 lines
2.9 KiB
PHP
93 lines
2.9 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; under version 2
|
|
* of the License (non-upgradable).
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Copyright (c) 2021 (original work) Open Assessment Technologies SA
|
|
*/
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace oat\tao\model\Middleware;
|
|
|
|
use GuzzleHttp\Psr7\Response;
|
|
use LogicException;
|
|
use oat\oatbox\service\ConfigurableService;
|
|
use Psr\Http\Message\RequestInterface;
|
|
use Psr\Http\Message\ResponseInterface;
|
|
use Psr\Http\Message\ServerRequestInterface;
|
|
use Psr\Http\Server\MiddlewareInterface;
|
|
use Psr\Http\Server\RequestHandlerInterface;
|
|
use Relay\Relay;
|
|
|
|
class MiddlewareRequestHandler extends ConfigurableService implements RequestHandlerInterface
|
|
{
|
|
public const SERVICE_ID = 'tao/MiddlewareRequestHandler';
|
|
public const OPTION_MAP = 'map';
|
|
|
|
/** @var ResponseInterface|null */
|
|
private $originalResponse;
|
|
|
|
public function handle(ServerRequestInterface $request): ResponseInterface
|
|
{
|
|
$queue = $this->build($request);
|
|
return (new Relay($queue))->handle($request);
|
|
}
|
|
|
|
/**
|
|
* @return MiddlewareInterface[]
|
|
*/
|
|
private function build(RequestInterface $request): array
|
|
{
|
|
$mapping = [];
|
|
|
|
foreach ($this->getMatchedMiddlewareReferences($request) as $middlewareClass) {
|
|
$middleware = $this->getServiceLocator()->get($middlewareClass);
|
|
if (!$middleware instanceof MiddlewareInterface) {
|
|
throw new LogicException(sprintf('Incorrect middleware configuration for %s', $middlewareClass));
|
|
}
|
|
$mapping[] = $middleware;
|
|
}
|
|
|
|
return array_merge(
|
|
[
|
|
function ($request, $next) {
|
|
return $this->originalResponse ?? new Response();
|
|
}
|
|
],
|
|
$mapping,
|
|
[
|
|
function ($request, $next) {
|
|
return new Response();
|
|
}
|
|
]
|
|
);
|
|
}
|
|
|
|
public function withOriginalResponse(ResponseInterface $response): self
|
|
{
|
|
$this->originalResponse = $response;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* @return string[]
|
|
*/
|
|
private function getMatchedMiddlewareReferences(RequestInterface $request): array
|
|
{
|
|
return $this->getOption(self::OPTION_MAP, [])[$request->getUri()->getPath()] ?? [];
|
|
}
|
|
}
|