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HandleErrors.php
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HandleErrors.php
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<?php
/*
* This file is part of Flarum.
*
* For detailed copyright and license information, please view the
* LICENSE file that was distributed with this source code.
*/
namespace Flarum\Http\Middleware;
use Flarum\Foundation\ErrorHandling\HttpFormatter;
use Flarum\Foundation\ErrorHandling\Registry;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Server\MiddlewareInterface as Middleware;
use Psr\Http\Server\RequestHandlerInterface as Handler;
use Throwable;
/**
* Catch exceptions thrown in a PSR-15 middleware stack and handle them safely.
*
* All errors will be rendered using the provided formatter. In addition,
* unknown errors will be passed on to one or multiple
* {@see \Flarum\Foundation\ErrorHandling\Reporter} instances.
*/
class HandleErrors implements Middleware
{
/**
* @var Registry
*/
protected $registry;
/**
* @var HttpFormatter
*/
protected $formatter;
/**
* @var \Flarum\Foundation\ErrorHandling\Reporter[]
*/
protected $reporters;
public function __construct(Registry $registry, HttpFormatter $formatter, iterable $reporters)
{
$this->registry = $registry;
$this->formatter = $formatter;
$this->reporters = $reporters;
}
/**
* Catch all errors that happen during further middleware execution.
*/
public function process(Request $request, Handler $handler): Response
{
try {
return $handler->handle($request);
} catch (Throwable $e) {
$error = $this->registry->handle($e);
if ($error->shouldBeReported()) {
foreach ($this->reporters as $reporter) {
$reporter->report($error->getException());
}
}
return $this->formatter->format($error, $request);
}
}
}