Fix signing by amazon

maxbeckers · Nov 26, 2021 · be752b0 · be752b0
1 parent 77726dd
commit be752b0
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/RequestTransformer/RequestTransformer.php b/src/RequestTransformer/RequestTransformer.php
@@ -2,6 +2,7 @@
 
 namespace MaxBeckers\AmazonAlexaBundle\RequestTransformer;
 
+use MaxBeckers\AmazonAlexa\Exception\MissingRequestDataException;
 use MaxBeckers\AmazonAlexa\Request\Request as AlexaRequest;
 use MaxBeckers\AmazonAlexa\RequestHandler\RequestHandlerRegistry;
 use MaxBeckers\AmazonAlexa\Response\Response;
@@ -48,12 +49,20 @@ public function __construct(RequestHandlerRegistry $requestHandlerRegistry, Requ
      */
     public function transformRequest(Request $request): Response
     {
+        if (!$request->getContent()) {
+            throw new MissingRequestDataException();
+        }
+
         $alexaRequest = AlexaRequest::fromAmazonRequest(
             $request->getContent(),
             $request->server->get('HTTP_SIGNATURECERTCHAINURL', ''),
             $request->server->get('HTTP_SIGNATURE', '')
         );
 
+        if (!$alexaRequest) {
+            throw new MissingRequestDataException();
+        }
+
         $this->requestValidator->validate($alexaRequest);
         $handler = $this->requestHandlerRegistry->getSupportingHandler($alexaRequest);