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path: root/patches/server/0947-Added-API-to-get-player-ha-proxy-address.patch
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: nostalfinals <yuu8583@proton.me>
Date: Mon, 8 Apr 2024 23:24:38 +0800
Subject: [PATCH] Added API to get player ha proxy address


diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index b0413be1d8565df1c746102a6900806fe3d12373..ba1078a0c4ae0fbb2e75a017aff5fe1a8f431099 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -153,6 +153,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
         this.stopReadingPackets = true;
     }
     // Paper end - packet limiter
+    @Nullable public SocketAddress haProxyAddress; // Paper - Add API to get player's proxy address
 
     public Connection(PacketFlow side) {
         this.receiving = side;
diff --git a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
index c62df32af11636ad408b584fcc590590ce4fb0d0..baed0bb80d44973f9323bbe536551182979caff2 100644
--- a/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
+++ b/src/main/java/net/minecraft/server/network/ServerConnectionListener.java
@@ -144,6 +144,13 @@ public class ServerConnectionListener {
 
                                         Connection connection = (Connection) channel.pipeline().get("packet_handler");
                                         connection.address = socketaddr;
+
+                                        // Paper start - Add API to get player's proxy address
+                                        final String proxyAddress = message.destinationAddress();
+                                        final int proxyPort = message.destinationPort();
+
+                                        connection.haProxyAddress = new java.net.InetSocketAddress(proxyAddress, proxyPort);
+                                        // Paper end - Add API to get player's proxy address
                                     }
                                 } else {
                                     super.channelRead(ctx, msg);
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 6ff46062d6ce6401acdbae8f087075788538802a..3901d53737a04f821c8569fa6b79ee4e624f8729 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -270,7 +270,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
 
     @Override
     public InetSocketAddress getAddress() {
-        if (this.getHandle().connection.protocol() == null) return null;
+        if (this.getHandle().connection == null) return null;
 
         SocketAddress addr = this.getHandle().connection.getRemoteAddress();
         if (addr instanceof InetSocketAddress) {
@@ -280,6 +280,15 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
         }
     }
 
+    // Paper start - Add API to get player's proxy address
+    @Override
+    public @Nullable InetSocketAddress getHAProxyAddress() {
+        if (this.getHandle().connection == null) return null;
+
+        return this.getHandle().connection.connection.haProxyAddress instanceof final InetSocketAddress inetSocketAddress ? inetSocketAddress : null;
+    }
+    // Paper end - Add API to get player's proxy address
+
     public interface TransferCookieConnection {
 
         boolean isTransferred();