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geforkt von Mirrors/Paper
Paper/patches/server/0089-Add-handshake-event-to-allow-plugins-to-handle-clien.patch

58 Zeilen
4.3 KiB
Diff

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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/network/ServerHandshakePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
index 5dedfeaa6cc683b5fc6c21f842265b8aea64fa58..ce51bde4db395ff30c7d75e3badd68d6395fa40f 100644
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--- a/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerHandshakePacketListenerImpl.java
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@@ -89,9 +89,44 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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this.connection.disconnect(ichatmutablecomponent);
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} else {
this.connection.setListener(new ServerLoginPacketListenerImpl(this.server, this.connection));
+ // Paper start - PlayerHandshakeEvent
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+ 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?
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+ java.net.SocketAddress socketAddress = this.connection.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()) {
+ // If we've failed somehow, let the client know so and go no further.
+ if (event.isFailed()) {
+ Component component = io.papermc.paper.adventure.PaperAdventure.asVanilla(event.failMessage());
+ this.connection.send(new ClientboundLoginDisconnectPacket(component));
+ this.connection.disconnect(component);
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+ return;
+ }
+
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+ if (event.getServerHostname() != null) {
+ // change hostname
+ packet = new ClientIntentionPacket(
+ packet.protocolVersion(),
+ event.getServerHostname(),
+ packet.port(),
+ packet.intention()
+ );
+ }
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+ if (event.getSocketAddressHostname() != null) this.connection.address = new java.net.InetSocketAddress(event.getSocketAddressHostname(), socketAddress instanceof java.net.InetSocketAddress ? ((java.net.InetSocketAddress) socketAddress).getPort() : 0);
+ this.connection.spoofedUUID = event.getUniqueId();
+ this.connection.spoofedProfile = gson.fromJson(event.getPropertiesJson(), com.mojang.authlib.properties.Property[].class);
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+ handledByEvent = true; // Hooray, we did it!
+ }
+ }
// Spigot Start
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String[] split = packet.hostName().split("\00");
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- if (org.spigotmc.SpigotConfig.bungee) {
+ // Don't try and handle default logic if it's been handled by the event.
+ if (!handledByEvent && proxyLogicEnabled) {
+ // Paper end - PlayerHandshakeEvent
+ // if (org.spigotmc.SpigotConfig.bungee) { // Paper - comment out, we check above!
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if ( ( split.length == 3 || split.length == 4 ) && ( ServerHandshakePacketListenerImpl.HOST_PATTERN.matcher( split[1] ).matches() ) ) {
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this.connection.hostname = split[0];
this.connection.address = new java.net.InetSocketAddress(split[1], ((java.net.InetSocketAddress) this.connection.getRemoteAddress()).getPort());