Paper/Spigot-Server-Patches/0088-Add-handshake-event-to-allow-plugins-to-handle-clien.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: kashike <kashike@vq.lc>
Date: Wed, 13 Apr 2016 20:21:38 -0700
Subject: [PATCH] Add handshake event to allow plugins to handle client
handshaking logic themselves
diff --git a/src/main/java/net/minecraft/server/HandshakeListener.java b/src/main/java/net/minecraft/server/HandshakeListener.java
index a79c3a548e181970b90edba18729b564c2980c39..ad2861cde180403069c96f5fd7e4d26ee918bbea 100644
--- a/src/main/java/net/minecraft/server/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/HandshakeListener.java
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@@ -14,7 +14,7 @@ public class HandshakeListener implements PacketHandshakingInListener {
// CraftBukkit end
private static final IChatBaseComponent a = new ChatComponentText("Ignoring status request");
private final MinecraftServer b;
- private final NetworkManager c;
+ private final NetworkManager c; final NetworkManager getNetworkManager() { return this.c; } // Paper - OBFHELPER
public HandshakeListener(MinecraftServer minecraftserver, NetworkManager networkmanager) {
this.b = minecraftserver;
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@@ -73,8 +73,33 @@ public class HandshakeListener implements PacketHandshakingInListener {
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this.c.close(chatmessage);
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} else {
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this.c.setPacketListener(new LoginListener(this.b, this.c));
+ // Paper start - handshake event
+ boolean proxyLogicEnabled = org.spigotmc.SpigotConfig.bungee;
+ boolean handledByEvent = false;
+ // Try and handle the handshake through the event
+ if (com.destroystokyo.paper.event.player.PlayerHandshakeEvent.getHandlerList().getRegisteredListeners().length != 0) { // Hello? Can you hear me?
+ com.destroystokyo.paper.event.player.PlayerHandshakeEvent event = new com.destroystokyo.paper.event.player.PlayerHandshakeEvent(packethandshakinginsetprotocol.hostname, !proxyLogicEnabled);
+ if (event.callEvent()) {
+ // If we've failed somehow, let the client know so and go no further.
+ if (event.isFailed()) {
+ chatmessage = new ChatMessage(event.getFailMessage());
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+ this.getNetworkManager().sendPacket(new PacketLoginOutDisconnect(chatmessage));
+ this.getNetworkManager().close(chatmessage);
+ return;
+ }
+
+ packethandshakinginsetprotocol.hostname = event.getServerHostname();
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+ this.getNetworkManager().socketAddress = new java.net.InetSocketAddress(event.getSocketAddressHostname(), ((java.net.InetSocketAddress) this.getNetworkManager().getSocketAddress()).getPort());
+ this.getNetworkManager().spoofedUUID = event.getUniqueId();
+ this.getNetworkManager().spoofedProfile = gson.fromJson(event.getPropertiesJson(), com.mojang.authlib.properties.Property[].class);
+ handledByEvent = true; // Hooray, we did it!
+ }
+ }
+ // Don't try and handle default logic if it's been handled by the event.
+ if (!handledByEvent && proxyLogicEnabled) {
+ // Paper end
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// Spigot Start
- if (org.spigotmc.SpigotConfig.bungee) {
+ //if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
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String[] split = packethandshakinginsetprotocol.hostname.split("\00");
if ( split.length == 3 || split.length == 4 ) {
packethandshakinginsetprotocol.hostname = split[0];