MicroPresenter: accepts any callable objects

dg · dg · commit a8fb9384a56b · 2020-11-05T15:57:25.000+01:00
https://forum.nette.org/cs/33949-rozbity-dotblue-nette-webimages-s-bezpecnosti-aktualizaci-nette
diff --git a/src/Application/MicroPresenter.php b/src/Application/MicroPresenter.php
@@ -76,10 +76,10 @@ public function run(Application\Request $request): Application\IResponse
 
 		$params = $request->getParameters();
 		$callback = $params['callback'] ?? null;
-		if (!$callback instanceof \Closure) {
+		if (!is_object($callback) || !is_callable($callback)) {
 			throw new Application\BadRequestException('Parameter callback is not a valid closure.');
 		}
-		$reflection = new \ReflectionFunction($callback);
+		$reflection = Nette\Utils\Callback::toReflection($callback);
 
 		if ($this->context) {
 			foreach ($reflection->getParameters() as $param) {
