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package net.minecraft.server;
import java.io.Serializable;
import java.net.InetAddress;
import java.net.Socket;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import javax.crypto.SecretKey;
public class PendingConnection extends Connection {
private static Random random = new Random();
private byte[] d;
private final MinecraftServer server;
public final NetworkManager networkManager;
public boolean b;
private int f;
private String g;
private volatile boolean h;
private String loginKey = Long.toString(random.nextLong(), 16); // CraftBukkit - Security fix
private boolean j;
private SecretKey k;
public String hostname = ""; // CraftBukkit - add field
public PendingConnection(MinecraftServer minecraftserver, Socket socket, String s) throws java.io.IOException { // CraftBukkit - throws IOException
this.server = minecraftserver;
this.networkManager = new NetworkManager(minecraftserver.getLogger(), socket, s, this, minecraftserver.H().getPrivate());
this.networkManager.e = 0;
}
// CraftBukkit start
public Socket getSocket() {
return this.networkManager.getSocket();
}
// CraftBukkit end
public void d() {
if (this.h) {
this.e();
}
if (this.f++ == 600) {
this.disconnect("Took too long to log in");
} else {
this.networkManager.b();
}
}
public void disconnect(String s) {
try {
this.server.getLogger().info("Disconnecting " + this.getName() + ": " + s);
this.networkManager.queue(new Packet255KickDisconnect(s));
this.networkManager.d();
this.b = true;
} catch (Exception exception) {
exception.printStackTrace();
}
}
public void a(Packet2Handshake packet2handshake) {
if (this.g != null) {
this.disconnect("Quit repeating yourself!");
} else {
this.g = packet2handshake.f();
if (!this.g.equals(StripColor.a(this.g))) {
this.disconnect("Invalid username!");
} else {
PublicKey publickey = this.server.H().getPublic();
if (packet2handshake.d() != 78) {
if (packet2handshake.d() > 78) {
this.disconnect("Outdated server!");
} else {
this.disconnect("Outdated client!");
}
} else {
this.loginKey = this.server.getOnlineMode() ? Long.toString(random.nextLong(), 16) : "-";
this.d = new byte[4];
random.nextBytes(this.d);
this.networkManager.queue(new Packet253KeyRequest(this.loginKey, publickey, this.d));
}
}
}
}
public void a(Packet252KeyResponse packet252keyresponse) {
PrivateKey privatekey = this.server.H().getPrivate();
this.k = packet252keyresponse.a(privatekey);
if (!Arrays.equals(this.d, packet252keyresponse.b(privatekey))) {
this.disconnect("Invalid client reply");
}
this.networkManager.queue(new Packet252KeyResponse());
}
public void a(Packet205ClientCommand packet205clientcommand) {
if (packet205clientcommand.a == 0) {
if (this.j) {
this.disconnect("Duplicate login");
return;
}
this.j = true;
if (this.server.getOnlineMode()) {
(new ThreadLoginVerifier(this, server.server)).start(); // CraftBukkit - add CraftServer
} else {
this.h = true;
}
}
}
public void a(Packet1Login packet1login) {}
public void e() {
// CraftBukkit start
EntityPlayer s = this.server.getPlayerList().attemptLogin(this, this.g, this.hostname);
if (s == null) {
// this.disconnect(s);
return;
// CraftBukkit end
} else {
EntityPlayer entityplayer = this.server.getPlayerList().processLogin(s); // CraftBukkit - this.g -> s
if (entityplayer != null) {
this.server.getPlayerList().a((INetworkManager) this.networkManager, entityplayer);
}
}
this.b = true;
}
public void a(String s, Object[] aobject) {
this.server.getLogger().info(this.getName() + " lost connection");
this.b = 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 {
PlayerList playerlist = this.server.getPlayerList();
String s = null;
// CraftBukkit
org.bukkit.event.server.ServerListPingEvent pingEvent = org.bukkit.craftbukkit.event.CraftEventFactory.callServerListPingEvent(this.server.server, getSocket().getInetAddress(), this.server.getMotd(), playerlist.getPlayerCount(), playerlist.getMaxPlayers());
if (packet254getinfo.d()) {
// CraftBukkit
s = pingEvent.getMotd() + "\u00A7" + playerlist.getPlayerCount() + "\u00A7" + pingEvent.getMaxPlayers();
} else {
// CraftBukkit start - Don't create a list from an array
Object[] list = new Object[] { 1, 78, this.server.getVersion(), pingEvent.getMotd(), playerlist.getPlayerCount(), pingEvent.getMaxPlayers() };
StringBuilder builder = new StringBuilder();
for (Object object : list) {
if (builder.length() == 0) {
builder.append('\u00A7');
} else {
builder.append('\0');
}
builder.append(org.apache.commons.lang.StringUtils.replace(object.toString(), "\0", ""));
}
s = builder.toString();
// CraftBukkit end
}
InetAddress inetaddress = null;
if (this.networkManager.getSocket() != null) {
inetaddress = this.networkManager.getSocket().getInetAddress();
}
this.networkManager.queue(new Packet255KickDisconnect(s));
this.networkManager.d();
if (inetaddress != null && this.server.ag() instanceof DedicatedServerConnection) {
((DedicatedServerConnection) this.server.ag()).a(inetaddress);
}
this.b = 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 a() {
return true;
}
public boolean c() {
return this.b;
}
static String a(PendingConnection pendingconnection) {
return pendingconnection.loginKey;
}
static MinecraftServer b(PendingConnection pendingconnection) {
return pendingconnection.server;
}
static SecretKey c(PendingConnection pendingconnection) {
return pendingconnection.k;
}
static String d(PendingConnection pendingconnection) {
return pendingconnection.g;
}
static boolean a(PendingConnection pendingconnection, boolean flag) {
return pendingconnection.h = flag;
}
}
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