aboutsummaryrefslogtreecommitdiffhomepage
path: root/patches/server/0179-Call-PaperServerListPingEvent-for-legacy-pings.patch
diff options
context:
space:
mode:
Diffstat (limited to 'patches/server/0179-Call-PaperServerListPingEvent-for-legacy-pings.patch')
-rw-r--r--patches/server/0179-Call-PaperServerListPingEvent-for-legacy-pings.patch155
1 files changed, 155 insertions, 0 deletions
diff --git a/patches/server/0179-Call-PaperServerListPingEvent-for-legacy-pings.patch b/patches/server/0179-Call-PaperServerListPingEvent-for-legacy-pings.patch
new file mode 100644
index 0000000000..5265180dd5
--- /dev/null
+++ b/patches/server/0179-Call-PaperServerListPingEvent-for-legacy-pings.patch
@@ -0,0 +1,155 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Minecrell <[email protected]>
+Date: Wed, 11 Oct 2017 19:30:51 +0200
+Subject: [PATCH] Call PaperServerListPingEvent for legacy pings
+
+
+diff --git a/src/main/java/com/destroystokyo/paper/network/PaperLegacyStatusClient.java b/src/main/java/com/destroystokyo/paper/network/PaperLegacyStatusClient.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..cc54b1c207981235b5160e8773b27cf9a5dcd4d5
+--- /dev/null
++++ b/src/main/java/com/destroystokyo/paper/network/PaperLegacyStatusClient.java
+@@ -0,0 +1,75 @@
++package com.destroystokyo.paper.network;
++
++import com.destroystokyo.paper.event.server.PaperServerListPingEvent;
++import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
++import net.minecraft.ChatFormatting;
++import net.minecraft.server.MinecraftServer;
++import org.apache.commons.lang3.StringUtils;
++
++import java.net.InetSocketAddress;
++
++import javax.annotation.Nullable;
++
++public final class PaperLegacyStatusClient implements StatusClient {
++
++ private final InetSocketAddress address;
++ private final int protocolVersion;
++ @Nullable private final InetSocketAddress virtualHost;
++
++ private PaperLegacyStatusClient(InetSocketAddress address, int protocolVersion, @Nullable InetSocketAddress virtualHost) {
++ this.address = address;
++ this.protocolVersion = protocolVersion;
++ this.virtualHost = virtualHost;
++ }
++
++ @Override
++ public InetSocketAddress getAddress() {
++ return this.address;
++ }
++
++ @Override
++ public int getProtocolVersion() {
++ return this.protocolVersion;
++ }
++
++ @Nullable
++ @Override
++ public InetSocketAddress getVirtualHost() {
++ return this.virtualHost;
++ }
++
++ @Override
++ public boolean isLegacy() {
++ return true;
++ }
++
++ public static PaperServerListPingEvent processRequest(MinecraftServer server,
++ InetSocketAddress address, int protocolVersion, @Nullable InetSocketAddress virtualHost) {
++
++ PaperServerListPingEvent event = new PaperServerListPingEventImpl(server,
++ new PaperLegacyStatusClient(address, protocolVersion, virtualHost), Byte.MAX_VALUE, null);
++ server.server.getPluginManager().callEvent(event);
++
++ if (event.isCancelled()) {
++ return null;
++ }
++
++ return event;
++ }
++
++ @SuppressWarnings("deprecation") // Valid as this is the legacy status client
++ public static String getMotd(PaperServerListPingEvent event) {
++ return getFirstLine(event.getMotd());
++ }
++
++ public static String getUnformattedMotd(PaperServerListPingEvent event) {
++ // Strip color codes and all other occurrences of the color char (because it's used as delimiter)
++ return getFirstLine(StringUtils.remove(PlainTextComponentSerializer.plainText().serialize(event.motd()), ChatFormatting.PREFIX_CODE));
++ }
++
++ private static String getFirstLine(String s) {
++ int pos = s.indexOf('\n');
++ return pos >= 0 ? s.substring(0, pos) : s;
++ }
++
++}
+diff --git a/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java b/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java
+index 738da83f82bf01bde94c956ac22525a638db3906..d4f5a98a0b1ca9f2a8baa6e0b27353df94d1f333 100644
+--- a/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java
++++ b/src/main/java/net/minecraft/server/network/LegacyQueryHandler.java
+@@ -46,11 +46,22 @@ public class LegacyQueryHandler extends ChannelInboundHandlerAdapter {
+ SocketAddress socketaddress = channelhandlercontext.channel().remoteAddress();
+ int i = bytebuf.readableBytes();
+ String s = null; // Paper
+- org.bukkit.event.server.ServerListPingEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callServerListPingEvent(socketaddress, this.server.getMotd(), this.server.getPlayerCount(), this.server.getMaxPlayers()); // CraftBukkit
++ // org.bukkit.event.server.ServerListPingEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callServerListPingEvent(socketaddress, this.server.getMotd(), this.server.getPlayerCount(), this.server.getMaxPlayers()); // CraftBukkit // Paper
++ com.destroystokyo.paper.event.server.PaperServerListPingEvent event; // Paper
+
+ if (i == 0) {
+ LegacyQueryHandler.LOGGER.debug("Ping: (<1.3.x) from {}", socketaddress);
+- s = LegacyQueryHandler.createVersion0Response(this.server, event); // CraftBukkit
++
++ // Paper start - Call PaperServerListPingEvent and use results
++ event = com.destroystokyo.paper.network.PaperLegacyStatusClient.processRequest(net.minecraft.server.MinecraftServer.getServer(), (java.net.InetSocketAddress) socketaddress, 39, null);
++ if (event == null) {
++ channelhandlercontext.close();
++ bytebuf.release();
++ flag = false;
++ return;
++ }
++ s = String.format(Locale.ROOT, "%s\u00a7%d\u00a7%d", com.destroystokyo.paper.network.PaperLegacyStatusClient.getUnformattedMotd(event), event.getNumPlayers(), event.getMaxPlayers());
++ // Paper end
+ LegacyQueryHandler.sendFlushAndClose(channelhandlercontext, LegacyQueryHandler.createLegacyDisconnectPacket(channelhandlercontext.alloc(), s));
+ } else {
+ if (bytebuf.readUnsignedByte() != 1) {
+@@ -75,7 +86,18 @@ public class LegacyQueryHandler extends ChannelInboundHandlerAdapter {
+ LegacyQueryHandler.LOGGER.debug("Ping: (1.4-1.5.x) from {}", socketaddress);
+ }
+
+- if (s == null) s = LegacyQueryHandler.createVersion1Response(this.server, event); // CraftBukkit // Paper
++ if (s == null) {
++ // Paper start - Call PaperServerListPingEvent and use results
++ event = com.destroystokyo.paper.network.PaperLegacyStatusClient.processRequest(net.minecraft.server.MinecraftServer.getServer(), (java.net.InetSocketAddress) socketaddress, 127, null); // Paper
++ if (event == null) {
++ channelhandlercontext.close();
++ bytebuf.release();
++ flag = false;
++ return;
++ }
++ s = String.format(Locale.ROOT, "\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", new Object[] { event.getProtocolVersion(), this.server.getServerVersion(), event.getMotd(), event.getNumPlayers(), event.getMaxPlayers()}); // CraftBukkit
++ // Paper end
++ }
+ LegacyQueryHandler.sendFlushAndClose(channelhandlercontext, LegacyQueryHandler.createLegacyDisconnectPacket(channelhandlercontext.alloc(), s));
+ }
+
+@@ -187,8 +209,16 @@ public class LegacyQueryHandler extends ChannelInboundHandlerAdapter {
+
+ LOGGER.debug("Ping: (1.6) from {}", ctx.channel().remoteAddress());
+
+- String response = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d",
+- Byte.MAX_VALUE, server.getServerVersion(), server.getMotd(), server.getPlayerCount(), server.getMaxPlayers());
++ java.net.InetSocketAddress virtualHost = com.destroystokyo.paper.network.PaperNetworkClient.prepareVirtualHost(host, port);
++ com.destroystokyo.paper.event.server.PaperServerListPingEvent event = com.destroystokyo.paper.network.PaperLegacyStatusClient.processRequest(
++ server, (java.net.InetSocketAddress) ctx.channel().remoteAddress(), protocolVersion, virtualHost);
++ if (event == null) {
++ ctx.close();
++ return null;
++ }
++
++ String response = String.format("\u00a71\u0000%d\u0000%s\u0000%s\u0000%d\u0000%d", event.getProtocolVersion(), event.getVersion(),
++ com.destroystokyo.paper.network.PaperLegacyStatusClient.getMotd(event), event.getNumPlayers(), event.getMaxPlayers());
+ return response;
+ }
+