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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2023 webtrees development team
* 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, either version 3 of the License, or
* (at your option) any later version.
* 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, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\Http\Middleware;
use Fisharebest\Webtrees\Validator;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function explode;
use function parse_url;
use function rtrim;
use const PHP_URL_HOST;
use const PHP_URL_PATH;
use const PHP_URL_PORT;
use const PHP_URL_SCHEME;
/**
* Middleware to set the base URL.
*/
class BaseUrl implements MiddlewareInterface
{
/**
* @param ServerRequestInterface $request
* @param RequestHandlerInterface $handler
*
* @return ResponseInterface
*/
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
{
// The request URL, as auto-detected from the environment.
$request_url = $request->getUri();
// The base URL, as specified in the configuration file.
$base_url = Validator::attributes($request)->string('base_url', '');
if ($base_url === '') {
// Not set in config.ini.php? Didn't read the upgrade instructions?
// We can guess the URL, provided we aren't using pretty URLs.
$base_url = rtrim(explode('index.php', (string) $request_url)[0], '/');
$request = $request->withAttribute('base_url', $base_url);
$base_path = parse_url($base_url, PHP_URL_PATH) ?? '';
$request_url = $request_url->withPath($base_path);
} else {
// Update the request URL from the base URL.
$base_scheme = parse_url($base_url, PHP_URL_SCHEME) ?? 'http';
$base_host = parse_url($base_url, PHP_URL_HOST) ?? 'localhost';
$base_port = parse_url($base_url, PHP_URL_PORT);
$request_url = $request_url->withScheme($base_scheme)->withHost($base_host)->withPort($base_port);
}
$request = $request->withUri($request_url);
return $handler->handle($request);
}
}
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