From fe988cd2dccc6a8939b1d9e1a1943dbd29cb17fd 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 963dbd0648..d0b9c6e3dc 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]; -- 2.25.1