From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Mark Vainomaa Date: Sun, 17 Mar 2019 21:46:56 +0200 Subject: [PATCH] Fire event on GS4 query diff --git a/src/main/java/net/minecraft/server/RemoteStatusListener.java b/src/main/java/net/minecraft/server/RemoteStatusListener.java index 98bca890b7cc77200f69394e2ba7e0eabf188127..abae8aefe2cf793dd1db2b478207856cdf24fdb0 100644 --- a/src/main/java/net/minecraft/server/RemoteStatusListener.java +++ b/src/main/java/net/minecraft/server/RemoteStatusListener.java @@ -22,18 +22,18 @@ public class RemoteStatusListener extends RemoteConnectionThread { private static final Logger LOGGER = LogManager.getLogger(); private long e; private final int f; - private final int g; - private final int h; - private final String i; - private final String j; + private final int g; private final int getServerPort() { return this.g; } // Paper - OBFHELPER + private final int h; private final int getMaxPlayers() { return this.h; } // Paper - OBFHELPER + private final String i; private final String getMotd() { return this.i; } // Paper - OBFHELPER + private final String j; private final String getWorldName() { return this.j; } // Paper - OBFHELPER private DatagramSocket k; private final byte[] l = new byte[1460]; - private String m; + private String m; public final String getServerHost() { return this.m; } // Paper - OBFHELPER private String n; private final Map o; - private final RemoteStatusReply p; + private final RemoteStatusReply p; private final RemoteStatusReply getCachedFullResponse() { return this.p; } // Paper - OBFHELPER private long q; - private final IMinecraftServer r; + private final IMinecraftServer r; private final IMinecraftServer getServer() { return this.r; } // Paper - OBFHELPER private RemoteStatusListener(IMinecraftServer iminecraftserver, int i) { super("Query Listener"); @@ -103,6 +103,7 @@ public class RemoteStatusListener extends RemoteConnectionThread { remotestatusreply.a((int) 0); remotestatusreply.a(this.a(datagrampacket.getSocketAddress())); + /* Paper start - GS4 Query event remotestatusreply.a(this.i); remotestatusreply.a("SMP"); remotestatusreply.a(this.j); @@ -110,6 +111,31 @@ public class RemoteStatusListener extends RemoteConnectionThread { remotestatusreply.a(Integer.toString(this.h)); remotestatusreply.a((short) this.g); remotestatusreply.a(this.m); + */ + com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType queryType = + com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType.BASIC; + com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse queryResponse = com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.builder() + .motd(this.getMotd()) + .map(this.getWorldName()) + .currentPlayers(this.getServer().getPlayerCount()) + .maxPlayers(this.getMaxPlayers()) + .port(this.getServerPort()) + .hostname(this.getServerHost()) + .gameVersion(this.getServer().getVersion()) + .serverVersion(org.bukkit.Bukkit.getServer().getName() + " on " + org.bukkit.Bukkit.getServer().getBukkitVersion()) + .build(); + com.destroystokyo.paper.event.server.GS4QueryEvent queryEvent = + new com.destroystokyo.paper.event.server.GS4QueryEvent(queryType, datagrampacket.getAddress(), queryResponse); + queryEvent.callEvent(); + queryResponse = queryEvent.getResponse(); + remotestatusreply.writeString(queryResponse.getMotd()); + remotestatusreply.writeString("SMP"); + remotestatusreply.writeString(queryResponse.getMap()); + remotestatusreply.writeString(Integer.toString(queryResponse.getCurrentPlayers())); + remotestatusreply.writeString(Integer.toString(queryResponse.getMaxPlayers())); + remotestatusreply.writeShort((short) queryResponse.getPort()); + remotestatusreply.writeString(queryResponse.getHostname()); + // Paper end this.a(remotestatusreply.a(), datagrampacket); RemoteStatusListener.LOGGER.debug("Status [{}]", socketaddress); } @@ -146,6 +172,7 @@ public class RemoteStatusListener extends RemoteConnectionThread { this.p.a("splitnum"); this.p.a((int) 128); this.p.a((int) 0); + /* Paper start - GS4 Query event this.p.a("hostname"); this.p.a(this.i); this.p.a("gametype"); @@ -181,6 +208,79 @@ public class RemoteStatusListener extends RemoteConnectionThread { } this.p.a((int) 0); + */ + // Pack plugins + java.util.List plugins = java.util.Collections.emptyList(); + org.bukkit.plugin.Plugin[] bukkitPlugins; + if (((DedicatedServer) this.getServer()).server.getQueryPlugins() && (bukkitPlugins = org.bukkit.Bukkit.getPluginManager().getPlugins()).length > 0) { + plugins = java.util.stream.Stream.of(bukkitPlugins) + .map(plugin -> com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation.of(plugin.getName(), plugin.getDescription().getVersion())) + .collect(java.util.stream.Collectors.toList()); + } + + com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse queryResponse = com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.builder() + .motd(this.getMotd()) + .map(this.getWorldName()) + .currentPlayers(this.getServer().getPlayerCount()) + .maxPlayers(this.getMaxPlayers()) + .port(this.getServerPort()) + .hostname(this.getServerHost()) + .plugins(plugins) + .players(this.getServer().getPlayers()) + .gameVersion(this.getServer().getVersion()) + .serverVersion(org.bukkit.Bukkit.getServer().getName() + " on " + org.bukkit.Bukkit.getServer().getBukkitVersion()) + .build(); + com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType queryType = + com.destroystokyo.paper.event.server.GS4QueryEvent.QueryType.FULL; + com.destroystokyo.paper.event.server.GS4QueryEvent queryEvent = + new com.destroystokyo.paper.event.server.GS4QueryEvent(queryType, datagrampacket.getAddress(), queryResponse); + queryEvent.callEvent(); + queryResponse = queryEvent.getResponse(); + this.getCachedFullResponse().writeString("hostname"); + this.getCachedFullResponse().writeString(queryResponse.getMotd()); + this.getCachedFullResponse().writeString("gametype"); + this.getCachedFullResponse().writeString("SMP"); + this.getCachedFullResponse().writeString("game_id"); + this.getCachedFullResponse().writeString("MINECRAFT"); + this.getCachedFullResponse().writeString("version"); + this.getCachedFullResponse().writeString(queryResponse.getGameVersion()); + this.getCachedFullResponse().writeString("plugins"); + java.lang.StringBuilder pluginsString = new java.lang.StringBuilder(); + pluginsString.append(queryResponse.getServerVersion()); + if (!queryResponse.getPlugins().isEmpty()) { + pluginsString.append(": "); + java.util.Iterator iter = queryResponse.getPlugins().iterator(); + while (iter.hasNext()) { + com.destroystokyo.paper.event.server.GS4QueryEvent.QueryResponse.PluginInformation info = iter.next(); + pluginsString.append(info.getName()); + if (info.getVersion() != null) { + pluginsString.append(' ').append(info.getVersion().replace(";", ",")); + } + if (iter.hasNext()) { + pluginsString.append(';').append(' '); + } + } + } + this.getCachedFullResponse().writeString(pluginsString.toString()); + this.getCachedFullResponse().writeString("map"); + this.getCachedFullResponse().writeString(queryResponse.getMap()); + this.getCachedFullResponse().writeString("numplayers"); + this.getCachedFullResponse().writeString(Integer.toString(queryResponse.getCurrentPlayers())); + this.getCachedFullResponse().writeString("maxplayers"); + this.getCachedFullResponse().writeString(Integer.toString(queryResponse.getMaxPlayers())); + this.getCachedFullResponse().writeString("hostport"); + this.getCachedFullResponse().writeString(Integer.toString(queryResponse.getPort())); + this.getCachedFullResponse().writeString("hostip"); + this.getCachedFullResponse().writeString(queryResponse.getHostname()); + // The "meaningless data" start, copied from above + this.getCachedFullResponse().writeInt(0); + this.getCachedFullResponse().writeInt(1); + this.getCachedFullResponse().writeString("player_"); + this.getCachedFullResponse().writeInt(0); + // "Meaningless data" end + queryResponse.getPlayers().forEach(this.getCachedFullResponse()::writeStringUnchecked); + this.getCachedFullResponse().writeInt(0); + // Paper end return this.p.a(); } } diff --git a/src/main/java/net/minecraft/server/RemoteStatusReply.java b/src/main/java/net/minecraft/server/RemoteStatusReply.java index 848b5c3f0e00f32d565dc5a241e17fa6d152ae8d..73efea7e1354df306c0eadfc52b75ec8ed9883d9 100644 --- a/src/main/java/net/minecraft/server/RemoteStatusReply.java +++ b/src/main/java/net/minecraft/server/RemoteStatusReply.java @@ -18,15 +18,27 @@ public class RemoteStatusReply { this.b.write(abyte, 0, abyte.length); } + public void writeString(String string) throws IOException { this.a(string); } // Paper - OBFHELPER public void a(String s) throws IOException { this.b.writeBytes(s); this.b.write(0); } + // Paper start - unchecked exception variant to use in Stream API + public void writeStringUnchecked(String string) { + try { + writeString(string); + } catch (IOException e) { + com.destroystokyo.paper.util.SneakyThrow.sneaky(e); + } + } + // Paper end + public void writeInt(int i) throws IOException { this.a(i); } // Paper - OBFHELPER public void a(int i) throws IOException { this.b.write(i); } + public void writeShort(short i) throws IOException { this.a(i); } // Paper - OBFHELPER public void a(short short0) throws IOException { this.b.writeShort(Short.reverseBytes(short0)); }