Enforce JSON validity (#996)

Author: jderusse

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Fixed
+
+- Assert the provided Input can be json-encoded.
+
 ## 1.4.0
 
 ### Added

src/Input/AddLayerVersionPermissionRequest.php

@@ -161,7 +161,7 @@ public function request(): Request
 
         // Prepare Body
         $bodyPayload = $this->requestBody();
-        $body = empty($bodyPayload) ? '{}' : json_encode($bodyPayload);
+        $body = empty($bodyPayload) ? '{}' : \json_encode($bodyPayload, 4194304);
 
         // Return the Request
         return new Request('POST', $uriString, $query, $headers, StreamFactory::create($body));

src/Input/PublishLayerVersionRequest.php

@@ -126,7 +126,7 @@ public function request(): Request
 
         // Prepare Body
         $bodyPayload = $this->requestBody();
-        $body = empty($bodyPayload) ? '{}' : json_encode($bodyPayload);
+        $body = empty($bodyPayload) ? '{}' : \json_encode($bodyPayload, 4194304);
 
         // Return the Request
         return new Request('POST', $uriString, $query, $headers, StreamFactory::create($body));