server: validate ws message

1 files changed, 3 insertions, 1 deletions

diff --git a/juick-server/src/main/java/com/juick/server/WebsocketManager.java b/juick-server/src/main/java/com/juick/server/WebsocketManager.java
index a260817d..0fa3c84c 100644
--- a/juick-server/src/main/java/com/juick/server/WebsocketManager.java
+++ b/juick-server/src/main/java/com/juick/server/WebsocketManager.java
@@ -147,7 +147,9 @@ public class WebsocketManager extends TextWebSocketHandler {
             if (c.visitor.getName().equals(serviceUser)) {
                 try {
                     Message draft = jsonMapper.readValue(message.asBytes(), Message.class);
-                    serverManager.processMessage(draft.getUser(), draft.getText(), draft.getAttachment().getUrl());
+                    if (draft.getUser() != null && (draft.getText() != null || draft.getAttachment() != null)) {
+                        serverManager.processMessage(draft.getUser(), draft.getText(), draft.getAttachment().getUrl());
+                    }
                 } catch (IOException e) {
                     throw new HttpBadRequestException();
                 }