papermc/Spigot-Server-Patches/0089-Add-handshake-event-to-allow-plugins-to-handle-clien.patch
Aikar 36f34f01c0
Updated Upstream (Bukkit/CraftBukkit)
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

Bukkit Changes:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

46 lines
3.1 KiB
Diff

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 963dbd0648ea9295fe603bc683ffef0d2e22d62d..d0b9c6e3dcae76d802e095731c78fb9693982f90 100644
--- a/src/main/java/net/minecraft/server/HandshakeListener.java
+++ b/src/main/java/net/minecraft/server/HandshakeListener.java
@@ -73,8 +73,33 @@ public class HandshakeListener implements PacketHandshakingInListener {
this.b.close(chatmessage);
} else {
this.b.setPacketListener(new LoginListener(this.a, this.b));
+ // 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());
+ this.b.sendPacket(new PacketLoginOutDisconnect(chatmessage));
+ this.b.close(chatmessage);
+ return;
+ }
+
+ packethandshakinginsetprotocol.hostname = event.getServerHostname();
+ this.b.socketAddress = new java.net.InetSocketAddress(event.getSocketAddressHostname(), ((java.net.InetSocketAddress) this.b.getSocketAddress()).getPort());
+ this.b.spoofedUUID = event.getUniqueId();
+ this.b.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
// Spigot Start
- if (org.spigotmc.SpigotConfig.bungee) {
+ //if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
String[] split = packethandshakinginsetprotocol.hostname.split("\00");
if ( split.length == 3 || split.length == 4 ) {
packethandshakinginsetprotocol.hostname = split[0];