mirror of
https://github.com/PaperMC/Waterfall.git
synced 2025-01-07 16:37:39 +01:00
ee819df91f
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing BungeeCord Changes: 6f7331e8 #3138, 3140: Check for the new leak detector netty flag 1b489bcc Attempt to fix java 8 native crash da27924a #3115, #3125: Update natives build script, switch to Cloudflare zlib 15b39887 #3133: Directly disconnect on illegal chars f9583a76 #3129: Replace ConnectTimeoutException with a more user-friendly string. cb738188 #3126: Use suppliers instead of reflection for native impl generation. a8b2f526 #3123: Apply exact vanilla string length limits for tab completion ad50fc9a #3111: Check chat for illegal chars & moved length check into the packet class
112 lines
4.0 KiB
Diff
112 lines
4.0 KiB
Diff
From 45185a344a8b4fbda30ac113ded14f02b03811d0 Mon Sep 17 00:00:00 2001
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From: Johannes Donath <johannesd@torchmind.com>
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Date: Sat, 4 Jul 2015 06:31:33 +0200
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Subject: [PATCH] Add basic support for configurable tab-complete throttling
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diff --git a/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java b/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java
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index 6495e7f2..b6845bc4 100644
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--- a/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java
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+++ b/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java
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@@ -130,4 +130,21 @@ public interface ProxyConfig
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// Waterfall Options
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//
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+ // Throttling options
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+
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+ /**
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+ * How often tab-complete packets can be sent.
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+ * <br>
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+ * Values in milliseconds.
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+ *
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+ * @return how often tab-complete packets can be sent in milliseconds
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+ */
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+ int getTabThrottle();
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+
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+ /**
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+ * Should we disable the tab completion limit for 1.13+ clients
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+ *
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+ * @return should we disable the tab completion limit for 1.13+ clients
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+ */
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+ boolean isDisableModernTabLimiter();
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}
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diff --git a/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java b/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java
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index 741ebfde..91743f01 100644
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--- a/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java
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+++ b/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java
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@@ -7,11 +7,37 @@ import java.io.File;
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public class WaterfallConfiguration extends Configuration {
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+ /*
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+ * Throttling options
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+ * Helps prevent players from overloading the servers behind us
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+ */
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+
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+ /**
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+ * How often players are allowed to send tab throttle.
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+ * Value in milliseconds.
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+ * <p/>
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+ * Default is one packet per second.
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+ */
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+ private int tabThrottle = 1000;
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+ private boolean disableModernTabLimiter = true;
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+
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@Override
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public void load() {
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super.load();
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YamlConfig config = new YamlConfig(new File("waterfall.yml"));
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config.load(false); // Load, but no permissions
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+ // Throttling options
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+ tabThrottle = config.getInt("throttling.tab_complete", tabThrottle);
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+ disableModernTabLimiter = config.getBoolean("disable_modern_tab_limiter", disableModernTabLimiter);
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}
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+ @Override
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+ public int getTabThrottle() {
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+ return tabThrottle;
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+ }
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+
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+ @Override
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+ public boolean isDisableModernTabLimiter() {
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+ return disableModernTabLimiter;
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+ }
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}
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diff --git a/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java b/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
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index c21bdefa..f88831f7 100644
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--- a/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
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+++ b/proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java
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@@ -39,6 +39,8 @@ public class UpstreamBridge extends PacketHandler
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private final ProxyServer bungee;
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private final UserConnection con;
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+ private long lastTabCompletion = -1;
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+
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public UpstreamBridge(ProxyServer bungee, UserConnection con)
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{
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this.bungee = bungee;
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@@ -170,6 +172,20 @@ public class UpstreamBridge extends PacketHandler
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@Override
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public void handle(TabCompleteRequest tabComplete) throws Exception
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{
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+ // Waterfall start - tab limiter
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+ if ( bungee.getConfig().getTabThrottle() > 0 &&
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+ ( con.getPendingConnection().getVersion() >= ProtocolConstants.MINECRAFT_1_13
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+ && !bungee.getConfig().isDisableModernTabLimiter()))
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+ {
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+ long now = System.currentTimeMillis();
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+ if ( lastTabCompletion > 0 && (now - lastTabCompletion) <= bungee.getConfig().getTabThrottle() )
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+ {
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+ throw CancelSendSignal.INSTANCE;
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+ }
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+ lastTabCompletion = now;
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+ }
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+
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+ // Waterfall end - tab limiter
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List<String> suggestions = new ArrayList<>();
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if ( tabComplete.getCursor().startsWith( "/" ) )
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--
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2.30.1 (Apple Git-130)
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