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package net.minecraft.server;
import java.net.Socket;
import java.util.Iterator;
import java.util.Random;
import java.util.logging.Logger;
public class NetLoginHandler extends NetHandler {
public static Logger logger = Logger.getLogger("Minecraft");
private static Random random = new Random();
public NetworkManager networkManager;
public boolean c = false;
private MinecraftServer server;
private int f = 0;
private String g = null;
private Packet1Login h = null;
private String loginKey = Long.toString(random.nextLong(), 16); // CraftBukkit - Security fix
public String hostname = ""; // CraftBukkit - add field
public NetLoginHandler(MinecraftServer minecraftserver, Socket socket, String s) {
this.server = minecraftserver;
this.networkManager = new NetworkManager(socket, s, this);
this.networkManager.f = 0;
}
// CraftBukkit start
public Socket getSocket() {
return this.networkManager.socket;
}
// CraftBukkit end
public void a() {
if (this.h != null) {
this.b(this.h);
this.h = null;
}
if (this.f++ == 600) {
this.disconnect("Took too long to log in");
} else {
this.networkManager.b();
}
}
public void disconnect(String s) {
try {
logger.info("Disconnecting " + this.getName() + ": " + s);
this.networkManager.queue(new Packet255KickDisconnect(s));
this.networkManager.d();
this.c = true;
} catch (Exception exception) {
exception.printStackTrace();
}
}
public void a(Packet2Handshake packet2handshake) {
// CraftBukkit start - 1.3 detection
if (packet2handshake.a == null) {
disconnect("Outdated server!");
return;
}
// CraftBukkit end
// CraftBukkit start
int i = packet2handshake.a.indexOf(';');
if (i == -1) {
this.hostname = "";
} else this.hostname = packet2handshake.a.substring(i + 1);
// CraftBukkit end
if (this.server.onlineMode) {
this.loginKey = Long.toString(random.nextLong(), 16);
this.networkManager.queue(new Packet2Handshake(this.loginKey));
} else {
this.networkManager.queue(new Packet2Handshake("-"));
}
}
public void a(Packet1Login packet1login) {
this.g = packet1login.name;
if (packet1login.a != 29) {
if (packet1login.a > 29) {
this.disconnect("Outdated server!");
} else {
this.disconnect("Outdated client!");
}
} else {
if (!this.server.onlineMode) {
// CraftBukkit start - disallow colour in names
if (!packet1login.name.equals(org.bukkit.ChatColor.stripColor(packet1login.name))) {
this.disconnect("Colourful names are not permitted!");
return;
}
// CraftBukkit end
this.b(packet1login);
} else {
(new ThreadLoginVerifier(this, packet1login, this.server.server)).start(); // CraftBukkit
}
}
}
public void b(Packet1Login packet1login) {
EntityPlayer entityplayer = this.server.serverConfigurationManager.attemptLogin(this, packet1login.name, this.hostname); // CraftBukkit - add hostname parameter
if (entityplayer != null) {
//this.server.serverConfigurationManager.b(entityplayer); // CraftBukkit - Moved to attemptLogin
// entityplayer.a((World) this.server.a(entityplayer.dimension)); // CraftBukkit - set by Entity
entityplayer.itemInWorldManager.a((WorldServer) entityplayer.world);
// CraftBukkit - add world and location to 'logged in' message.
logger.info(this.getName() + " logged in with entity id " + entityplayer.id + " at ([" + entityplayer.world.worldData.name + "] " + entityplayer.locX + ", " + entityplayer.locY + ", " + entityplayer.locZ + ")");
WorldServer worldserver = (WorldServer) entityplayer.world; // CraftBukkit
ChunkCoordinates chunkcoordinates = worldserver.getSpawn();
entityplayer.itemInWorldManager.b(worldserver.getWorldData().getGameType());
NetServerHandler netserverhandler = new NetServerHandler(this.server, this.networkManager, entityplayer);
// CraftBukkit start -- Don't send a higher than 60 MaxPlayer size, otherwise the PlayerInfo window won't render correctly.
int maxPlayers = this.server.serverConfigurationManager.getMaxPlayers();
if (maxPlayers > 60) {
maxPlayers = 60;
}
netserverhandler.sendPacket(new Packet1Login("", entityplayer.id, worldserver.getWorldData().getType(), entityplayer.itemInWorldManager.getGameMode(), worldserver.worldProvider.dimension, (byte) worldserver.difficulty, (byte) worldserver.getHeight(), (byte) maxPlayers));
entityplayer.getBukkitEntity().sendSupportedChannels();
// CraftBukkit end
netserverhandler.sendPacket(new Packet6SpawnPosition(chunkcoordinates.x, chunkcoordinates.y, chunkcoordinates.z));
netserverhandler.sendPacket(new Packet202Abilities(entityplayer.abilities));
this.server.serverConfigurationManager.a(entityplayer, worldserver);
// this.server.serverConfigurationManager.sendAll(new Packet3Chat("\u00A7e" + entityplayer.name + " joined the game.")); // CraftBukkit - message moved to join event
this.server.serverConfigurationManager.c(entityplayer);
netserverhandler.a(entityplayer.locX, entityplayer.locY, entityplayer.locZ, entityplayer.yaw, entityplayer.pitch);
this.server.networkListenThread.a(netserverhandler);
netserverhandler.sendPacket(new Packet4UpdateTime(entityplayer.getPlayerTime())); // CraftBukkit - add support for player specific time
Iterator iterator = entityplayer.getEffects().iterator();
while (iterator.hasNext()) {
MobEffect mobeffect = (MobEffect) iterator.next();
netserverhandler.sendPacket(new Packet41MobEffect(entityplayer.id, mobeffect));
}
entityplayer.syncInventory();
}
this.c = true;
}
public void a(String s, Object[] aobject) {
logger.info(this.getName() + " lost connection");
this.c = true;
}
public void a(Packet254GetInfo packet254getinfo) {
if (this.networkManager.getSocket() == null) return; // CraftBukkit - fix NPE when a client queries a server that is unable to handle it.
try {
// CraftBukkit start
org.bukkit.event.server.ServerListPingEvent pingEvent = org.bukkit.craftbukkit.event.CraftEventFactory.callServerListPingEvent(this.server.server, getSocket().getInetAddress(), this.server.motd, this.server.serverConfigurationManager.getPlayerCount(), this.server.serverConfigurationManager.getMaxPlayers());
String s = pingEvent.getMotd() + "\u00A7" + this.server.serverConfigurationManager.getPlayerCount() + "\u00A7" + pingEvent.getMaxPlayers();
// CraftBukkit end
this.server.networkListenThread.a(this.networkManager.getSocket()); // CraftBukkit - cleanup before killing connection
this.networkManager.queue(new Packet255KickDisconnect(s));
this.networkManager.d();
// this.server.networkListenThread.a(this.networkManager.getSocket()); // CraftBukkit - moved up
this.c = true;
} catch (Exception exception) {
exception.printStackTrace();
}
}
public void onUnhandledPacket(Packet packet) {
this.disconnect("Protocol error");
}
public String getName() {
return this.g != null ? this.g + " [" + this.networkManager.getSocketAddress().toString() + "]" : this.networkManager.getSocketAddress().toString();
}
public boolean c() {
return true;
}
static String a(NetLoginHandler netloginhandler) {
return netloginhandler.loginKey;
}
static Packet1Login a(NetLoginHandler netloginhandler, Packet1Login packet1login) {
return netloginhandler.h = packet1login;
}
}
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