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b3b04f2ca1
Upstream has released updates that appear 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: 9a4de097 SPIGOT-7171: Ability to get the IP/hostname players are requesting status of CraftBukkit Changes: f43634ae4 SPIGOT-7170: Cannot set slots in custom smithing inventory 48f3a2258 SPIGOT-7171: Ability to get the IP/hostname players are requesting status of 30e31b4d1 SPIGOT-7177: Certain blocks don't call BlockCanBuildEvent 982364797 SPIGOT-7174: Avoid adding air to CraftMetaBundle Spigot Changes: 6198b5ae PR-122: Add missing parentheses to pumpkin and melon growth modifier 1aec3fc1 Rebuild patches
50 lines
3.9 KiB
Diff
50 lines
3.9 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 5948138f3697c0cce9638524a0f481eb368da911..8284d49c8e30645d00be952c847bab7ce5753d78 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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@@ -88,9 +88,36 @@ public class ServerHandshakePacketListenerImpl implements ServerHandshakePacketL
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this.connection.disconnect(ichatmutablecomponent);
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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.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()) {
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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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+ Component component = io.papermc.paper.adventure.PaperAdventure.asVanilla(event.failMessage());
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+ this.connection.send(new ClientboundLoginDisconnectPacket(component));
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+ this.connection.disconnect(component);
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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.connection.address = new java.net.InetSocketAddress(event.getSocketAddressHostname(), socketAddress instanceof java.net.InetSocketAddress ? ((java.net.InetSocketAddress) socketAddress).getPort() : 0);
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+ this.connection.spoofedUUID = event.getUniqueId();
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+ this.connection.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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// Spigot Start
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String[] split = packet.hostName.split("\00");
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- if (org.spigotmc.SpigotConfig.bungee) {
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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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+ // 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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packet.hostName = split[0];
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connection.address = new java.net.InetSocketAddress(split[1], ((java.net.InetSocketAddress) this.connection.getRemoteAddress()).getPort());
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