mirror of
https://github.com/PaperMC/Paper.git
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57 lines
4.3 KiB
Diff
57 lines
4.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: kashike <kashike@vq.lc>
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Date: Wed, 13 Apr 2016 20:21:38 -0700
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Subject: [PATCH] Add handshake event to allow plugins to handle client
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handshaking logic themselves
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diff --git a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
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index 55b6412bb978abb6f8eaff83a7dd40fbc1ed8b9a..e56ab94ce65e81bb0383a1626a1790c43bd6920e 100644
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--- a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
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@@ -29,7 +29,7 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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// CraftBukkit end
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private static final Component IGNORE_STATUS_REASON = new TextComponent("Ignoring status request");
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private final MinecraftServer server;
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- private final Connection connection;
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+ private final Connection connection; final Connection getNetworkManager() { return this.connection; } // Paper - OBFHELPER
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public ServerHandshakePacketListenerImpl(MinecraftServer server, Connection connection) {
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this.server = server;
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@@ -88,8 +88,35 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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this.connection.disconnect(chatmessage);
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} else {
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this.connection.setListener(new ServerLoginPacketListenerImpl(this.server, this.connection));
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+ // Paper start - handshake event
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+ boolean proxyLogicEnabled = org.spigotmc.SpigotConfig.bungee;
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+ boolean handledByEvent = false;
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+ // Try and handle the handshake through the event
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+ if (com.destroystokyo.paper.event.player.PlayerHandshakeEvent.getHandlerList().getRegisteredListeners().length != 0) { // Hello? Can you hear me?
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+ java.net.SocketAddress socketAddress = this.getNetworkManager().address;
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+ String hostnameOfRemote = socketAddress instanceof java.net.InetSocketAddress ? ((java.net.InetSocketAddress) socketAddress).getHostString() : InetAddress.getLoopbackAddress().getHostAddress();
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+ com.destroystokyo.paper.event.player.PlayerHandshakeEvent event = new com.destroystokyo.paper.event.player.PlayerHandshakeEvent(packet.hostName, hostnameOfRemote, !proxyLogicEnabled);
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+ if (event.callEvent()) {
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+ // If we've failed somehow, let the client know so and go no further.
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+ if (event.isFailed()) {
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+ chatmessage = new TranslatableComponent(event.getFailMessage());
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+ this.getNetworkManager().send(new ClientboundLoginDisconnectPacket(chatmessage));
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+ this.getNetworkManager().disconnect(chatmessage);
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+ return;
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+ }
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+
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+ if (event.getServerHostname() != null) packet.hostName = event.getServerHostname();
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+ if (event.getSocketAddressHostname() != null) this.getNetworkManager().address = new java.net.InetSocketAddress(event.getSocketAddressHostname(), socketAddress instanceof java.net.InetSocketAddress ? ((java.net.InetSocketAddress) socketAddress).getPort() : 0);
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+ this.getNetworkManager().spoofedUUID = event.getUniqueId();
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+ this.getNetworkManager().spoofedProfile = gson.fromJson(event.getPropertiesJson(), com.mojang.authlib.properties.Property[].class);
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+ handledByEvent = true; // Hooray, we did it!
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+ }
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+ }
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+ // Don't try and handle default logic if it's been handled by the event.
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+ if (!handledByEvent && proxyLogicEnabled) {
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+ // Paper end
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// Spigot Start
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- if (org.spigotmc.SpigotConfig.bungee) {
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+ //if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
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String[] split = packet.hostName.split("\00");
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if ( ( split.length == 3 || split.length == 4 ) && ( HOST_PATTERN.matcher( split[1] ).matches() ) ) {
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packet.hostName = split[0];
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