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<?php
namespace Shaarli\Front;
use Shaarli\Container\ShaarliContainer;
use Shaarli\Front\Exception\ShaarliFrontException;
use Shaarli\Front\Exception\UnauthorizedException;
use Slim\Http\Request;
use Slim\Http\Response;
/**
* Class ShaarliMiddleware
*
* This will be called before accessing any Shaarli controller.
*/
class ShaarliMiddleware
{
/** @var ShaarliContainer contains all Shaarli DI */
protected $container;
public function __construct(ShaarliContainer $container)
{
$this->container = $container;
}
/**
* Middleware execution:
* - execute the controller
* - return the response
*
* In case of error, the error template will be displayed with the exception message.
*
* @param Request $request Slim request
* @param Response $response Slim response
* @param callable $next Next action
*
* @return Response response.
*/
public function __invoke(Request $request, Response $response, callable $next)
{
try {
$response = $next($request, $response);
} catch (ShaarliFrontException $e) {
$this->container->pageBuilder->assign('message', $e->getMessage());
if ($this->container->conf->get('dev.debug', false)) {
$this->container->pageBuilder->assign(
'stacktrace',
nl2br(get_class($this) .': '. $e->getTraceAsString())
);
}
$response = $response->withStatus($e->getCode());
$response = $response->write($this->container->pageBuilder->render('error'));
} catch (UnauthorizedException $e) {
return $response->withRedirect($request->getUri()->getBasePath() . '/login');
}
return $response;
}
}
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