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<?php namespace System\Classes;
use Lang;
use Config;
use Response;
use Exception;
use SystemException;
use ApplicationException;
use Illuminate\Routing\Controller as ControllerBase;
/**
* The is the master controller for system related routing.
* It is currently only responsible for serving up the asset combiner contents.
*
* @see System\Classes\CombineAssets Asset combiner class
* @package winter\wn-system-module
* @author Alexey Bobkov, Samuel Georges, Luke Towers
*/
class SystemController extends ControllerBase
{
/**
* Combines JavaScript and StyleSheet assets.
* @param string $name Combined file code
* @return Response Combined content.
*/
public function combine($name)
{
try {
if (!strpos($name, '-')) {
return Response::make('/* '.e(Lang::get('system::lang.combiner.not_found', ['name' => $name])).' */', 404);
}
$parts = explode('-', $name);
$cacheId = $parts[0];
$combiner = CombineAssets::instance();
return $combiner->getContents($cacheId);
} catch (Exception $ex) {
return Response::make('/* '.e($ex->getMessage()).' */', 500);
}
}
/**
* Resizes an image using the provided configuration
* and returns a redirect to the resized image
*
* @param string $identifier The identifier used to retrieve the image configuration
* @param string $encodedUrl The double-encoded URL of the resized image, see https://github.com/octobercms/october/issues/3592#issuecomment-671017380
* @return RedirectResponse
*/
public function resizer(string $identifier, string $encodedUrl)
{
$resizedUrl = ImageResizer::getValidResizedUrl($identifier, $encodedUrl);
if (empty($resizedUrl)) {
return response('Invalid identifier or redirect URL', 400);
}
// Attempt to process the resize
try {
$resizer = ImageResizer::fromIdentifier($identifier);
$resizer->resize();
} catch (SystemException $ex) {
// If the resizing failed with a SystemException, it was most
// likely because it is in progress or has already finished
// although it could also be because the cache system used to store
// configuration data is broken
if (Config::get('cache.default', 'file') === 'array') {
throw new Exception('Image resizing requires a persistent cache driver, "array" is not supported. Try changing config/cache.php -> default to a persistent cache driver.');
}
} catch (Exception $ex) {
// If it failed for any other reason, restore the config so that
// the resizer route will continue to work until it succeeds
if (!empty($resizer)) {
$resizer->storeConfig();
}
// Rethrow the exception
throw $ex;
}
return redirect()->to($resizedUrl);
}
}