Check if channel is open before injecting (GeyserMC#547)

* Check if channel is open before injecting Some forks like FlameCord have integrated anti-bot features to block connections early. By default, Floodgate runs anyways, which not only makes bot attacks affect the server when Floodgate is instaled, but also generate an exception. This fixes the issue. * Add note about why it's added --------- Co-authored-by: Tim203 <[email protected]>
Kas-tle · Sep 29, 2024 · 0360721 · 0360721
1 parent 3db8e59
commit 0360721
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/bungee/src/main/java/org/geysermc/floodgate/inject/bungee/BungeeInjector.java b/bungee/src/main/java/org/geysermc/floodgate/inject/bungee/BungeeInjector.java
@@ -91,6 +91,10 @@ public void inject() {
             ChannelInitializer<Channel> wrapper = new ChannelInitializer<Channel>() {
                 @Override
                 protected void initChannel(Channel channel) {
+                    // Check if the channel is open, see #547
+                    if (!channel.isOpen()) {
+                        return;
+                    }
                     ReflectionUtils.invoke(original, initChannelMethod, channel);
                     channel.pipeline().addBefore(
                             PipelineUtils.FRAME_DECODER, BUNGEE_INIT,