From 5a515f37a36d8af19da0b9f526d75fc122d955bd Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Tue, 28 Jul 2020 16:50:34 -0400
Subject: [PATCH] Add missing allowed check. Fixes #335

---
 .../proxy/connection/client/ClientPlaySessionHandler.java | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
index ec9d9472b..e75873262 100644
--- a/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
+++ b/proxy/src/main/java/com/velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java
@@ -219,9 +219,11 @@ public class ClientPlaySessionHandler implements MinecraftSessionHandler {
               PluginMessageEvent event = new PluginMessageEvent(player, serverConn, id,
                   ByteBufUtil.getBytes(packet.content()));
               server.getEventManager().fire(event).thenAcceptAsync(pme -> {
-                PluginMessage message = new PluginMessage(packet.getChannel(),
-                    Unpooled.wrappedBuffer(copy));
-                backendConn.write(message);
+                if (pme.getResult().isAllowed()) {
+                  PluginMessage message = new PluginMessage(packet.getChannel(),
+                      Unpooled.wrappedBuffer(copy));
+                  backendConn.write(message);
+                }
               }, backendConn.eventLoop());
             }
           }