src/Module/Application/ApplicationRunner.php
<?php
declare(strict_types=1);
/**
* vim:set softtabstop=4 shiftwidth=4 expandtab:
*
* LICENSE: GNU Affero General Public License, version 3 (AGPL-3.0-or-later)
* Copyright Ampache.org, 2001-2024
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Ampache\Module\Application;
use Ampache\Module\Application\Exception\AccessDeniedException;
use Ampache\Module\Application\Exception\ObjectNotFoundException;
use Ampache\Module\Authorization\GatekeeperFactoryInterface;
use Ampache\Module\System\LegacyLogger;
use Ampache\Module\Util\UiInterface;
use Narrowspark\HttpEmitter\SapiEmitter;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\ContainerInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Log\LoggerInterface;
use Throwable;
final class ApplicationRunner
{
private ContainerInterface $dic;
private LoggerInterface $logger;
private GatekeeperFactoryInterface $gatekeeperFactory;
private UiInterface $ui;
public function __construct(
ContainerInterface $dic,
LoggerInterface $logger,
GatekeeperFactoryInterface $gatekeeperFactory,
UiInterface $ui
) {
$this->dic = $dic;
$this->logger = $logger;
$this->gatekeeperFactory = $gatekeeperFactory;
$this->ui = $ui;
}
/**
* @param ServerRequestInterface $request
* @param array<string, string> $action_list A dict containing request keys and handler class names
* @param string $default_action The request key for the default action
*/
public function run(
ServerRequestInterface $request,
array $action_list,
string $default_action
): void {
$body = (array)$request->getParsedBody();
$action_name = htmlspecialchars($body['action'] ?? $request->getQueryParams()['action'] ?? '');
if (array_key_exists($action_name, $action_list) === false) {
$action_name = $default_action;
}
$handler_name = $action_list[$action_name] ?? '';
try {
/** @var ApplicationActionInterface $handler */
$handler = $this->dic->get($handler_name);
} catch (ContainerExceptionInterface $e) {
$this->logger->critical(
sprintf('No handler found for action "%s"', $action_name),
[LegacyLogger::CONTEXT_TYPE => __CLASS__]
);
return;
}
$this->logger->debug(
sprintf('Found handler "%s" for action "%s"', $handler_name, $action_name),
[LegacyLogger::CONTEXT_TYPE => __CLASS__]
);
try {
$response = $handler->run(
$request,
$this->gatekeeperFactory->createGuiGatekeeper()
);
/**
* Emit response if available.
* This will become the default once the rendering of all actions got converted
*/
if ($response !== null) {
$this->dic->get(SapiEmitter::class)->emit($response);
}
} catch (AccessDeniedException $e) {
$message = $e->getMessage();
$this->logger->warning(
$message,
[
LegacyLogger::CONTEXT_TYPE => sprintf(
'"%s" for "%s"',
__CLASS__,
get_class($handler)
)
]
);
$this->ui->accessDenied($message);
return;
} catch (ObjectNotFoundException $e) {
$this->logger->warning(
'Requested an object that does not exist',
[
LegacyLogger::CONTEXT_TYPE => sprintf(
'"%s" for "%s"',
__CLASS__,
get_class($handler)
),
'objectId' => $e->getObjectId()
]
);
$this->ui->showObjectNotFound();
} catch (Throwable $e) {
$this->logger->critical(
$e->getMessage(),
[
LegacyLogger::CONTEXT_TYPE => sprintf(
'%s:%d',
$e->getFile(),
$e->getLine()
)
]
);
/**
* @todo Add a nice error page
*/
}
}
}