silverstripe-framework/src/Control/RequestProcessor.php
2020-04-20 18:58:09 +01:00

78 lines
1.9 KiB
PHP

<?php
namespace SilverStripe\Control;
use SilverStripe\Control\Middleware\HTTPMiddleware;
use SilverStripe\Core\Injector\Injectable;
use SilverStripe\Dev\Deprecation;
/**
* Middleware that provides back-support for the deprecated RequestFilter API.
*
* @deprecated 4.0.0:5.0.0 Use HTTPMiddleware directly instead.
*/
class RequestProcessor implements HTTPMiddleware
{
use Injectable;
/**
* List of currently assigned request filters
*
* @var RequestFilter[]
*/
private $filters = [];
/**
* Construct new RequestFilter with a list of filter objects
*
* @param RequestFilter[] $filters
*/
public function __construct($filters = [])
{
$this->filters = $filters;
}
/**
* Assign a list of request filters
*
* @param RequestFilter[] $filters
* @return $this
*/
public function setFilters($filters)
{
$this->filters = $filters;
return $this;
}
/**
* @inheritdoc
*/
public function process(HTTPRequest $request, callable $delegate)
{
if ($this->filters) {
Deprecation::notice(
'5.0',
'Deprecated RequestFilters are in use. Apply HTTPMiddleware to Director.middlewares instead.'
);
}
foreach ($this->filters as $filter) {
$res = $filter->preRequest($request);
if ($res === false) {
return new HTTPResponse(_t(__CLASS__ . '.INVALID_REQUEST', 'Invalid request'), 400);
}
}
$response = $delegate($request);
foreach ($this->filters as $filter) {
$res = $filter->postRequest($request, $response);
if ($res === false) {
return new HTTPResponse(_t(__CLASS__ . '.REQUEST_ABORTED', 'Request aborted'), 500);
}
}
return $response;
}
}