fix: add middleware if it's not already declared

src/Http/Middleware/VerifySignature.php

@@ -5,22 +5,24 @@
 use Aws\Sns\Message;
 use Aws\Sns\MessageValidator;
 use Closure;
+use Illuminate\Http\Client\Request;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
 class VerifySignature
 {
     /**
      * Handle an incoming request.
      *
-     * @param \Illuminate\Http\Request $request
+     * @param Request $request
      * @param \Closure $next
      * @return mixed
      */
-    public function handle($request, Closure $next)
+    public function handle(Request $request, Closure $next)
     {
         try {
             // Create a message from the post data and validate its signature
             $message = Message::fromRawPostData();
+
             // Validate the message
             $validator = new MessageValidator();
 

src/Providers/MediaConverterServiceProvider.php

@@ -33,7 +33,7 @@ public function boot()
 
         $router = $this->app->make(Router::class);
 
-        if (in_array('verify-signature', $router->getMiddleware())) {
+        if (! in_array('verify-signature', $router->getMiddleware())) {
             $router->aliasMiddleware('verify-signature', VerifySignature::class);
         }
     }