protected void setEncryption(SecretKey keystr, packet reader) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, IOException {
IvParameterSpec ivr = new IvParameterSpec(keystr.getEncoded());
Cipher cipher = Cipher.getInstance("AES/CFB8/NoPadding");
cipher.init(Cipher.DECRYPT_MODE, keystr, ivr);
cis = new CipherInputStream(sock.getInputStream(), cipher);
Cipher cipher2 = Cipher.getInstance("AES/CFB8/NoPadding");
cipher2.init(Cipher.ENCRYPT_MODE, keystr, ivr);
cos = new CipherOutputStream(sock.getOutputStream(), cipher2);
reader.setEncryptedStreams(cis, cos);
cin = cis;
cout = cos;
reader.setEncrypted();
sendmsg("�ncryption activated");
}
private void processpreloginpacket(int pid, int len, ByteBuffer buf) throws Exception {
Event e = null;
switch (pid) {
case ConnectionResetPacket.ID2: {
ConnectionResetEvent dcevent = new ConnectionResetPacket(buf, reader).Read();
sendmsg("�erver closed connection. Reason:\n" + dcevent.getReason());
communicationavailable = false;
}
break;
case SetCompressionPacket.ID:
SetCompressionPacket compack = new SetCompressionPacket(buf, reader);
compack.Read();
sendmsg("�ompression activated");
reader.compression = true;
break;
case LoginSuccessPacket.ID:
LoginSuccessEvent logse = new LoginSuccessPacket(buf, reader).Read();
String uuid = logse.getUUID();
String username = logse.getUsername();
sendmsg("�eceived UUID: " + uuid);
sendmsg("�eceived Nick: " + username);
nowConnected();
e = logse;
encryptiondecided = true;
break;
case EncryptionRequestPacket.ID:
// Maybe the server wants some encryption
EncryptionRequestPacket encr = new EncryptionRequestPacket(buf, reader);
try {
encr.Read();
encr.Write(bot);
setEncryption(encr.getSecret(), reader);
} catch (BufferUnderflowException e1) {
}
break;
}
if (e != null) {
storage.pluginManager.invokeEvent(e, bot.getAllowedPlugins());
}
}
private void processpacket(int pid, int len, ByteBuffer buf, packetStruct packet) throws Exception {
Event e = null;
switch (pid) {
// default:
// sendmsg("�Unhandled packet " + pid);
// new Ignored_Packet(len, reader).Read();
// break;
/*
* case EntityStatusPacket.ID: e = new EntityStatusPacket(reader,
* buf).Read(); break;
*/
case SignUpdatePacket.ID:
e = new SignUpdatePacket(buf, reader).Read();
break;
case TimeUpdatePacket.ID:
new TimeUpdatePacket(buf, reader).Read();
break;
case UpdateHealthPacket.ID:
UpdateHealthEvent upheal = new UpdateHealthPacket(reader, buf).Read();
this.Health = upheal.getHealth();
this.Food = upheal.getFood();
this.Satur = upheal.getSaturation();
bot.updateHealth(this.Health, this.Food, this.Satur);
break;
case PlayerPositionAndLookPacket.ID:
PlayerPositionAndLookEvent ppal = new PlayerPositionAndLookPacket(reader, buf).Read();
this.pos_x = (int) ppal.getX();
this.pos_y = (int) ppal.getY();
this.pos_z = (int) ppal.getZ();
bot.updateposition(this.pos_x, this.pos_y, this.pos_z);
break;
case TabCompletePacket.ID:
TabCompletePacket tabpack = new TabCompletePacket(reader, buf);
TabCompleteEvent tabev = tabpack.Read();
tabcomp.setNames(tabev.getNames());
tabcomp.getNext();
e = tabev;
break;
case KeepAlivePacket.ID:
// Keep us alive
KeepAlivePacket keepalivepack = new KeepAlivePacket(reader, buf);
keepalivepack.Read();
keepalivepack.Write();
break;
case JoinGamePacket.ID:
// join game
JoinGameEvent joingameevent = new JoinGamePacket(buf, reader).Read();
if (joingameevent.getMaxPlayers() > 25 && joingameevent.getMaxPlayers() < 50) {
// 2 Columns 20 rows
settablesize(2, 20);
} else if (joingameevent.getMaxPlayers() >= 50 && joingameevent.getMaxPlayers() < 70) {
// 3 Columns 20 rows
settablesize(3, 20);
} else if (joingameevent.getMaxPlayers() >= 70) {
// 4 Columns 20 rows
settablesize(4, 20);
} else {
// 1 Columns 20 rows
settablesize(1, 20);
}
e = joingameevent;
break;
case ChatPacket.ID:
// Chat
ChatEvent event = new ChatPacket(buf, reader).Read();
if (!event.isIgnored()) {
String msg = event.getFormatedMessage();
sendChatMsg(msg);
tryandsendlogin();
}
e = event;
break;
case SpawnPositionPacket.ID:
new SpawnPositionPacket(buf, reader).Read();
break;
case RespawnPacket.ID:
new RespawnPacket(buf, reader).Read();
break;
case PlayerListItemPacket.ID:
PlayerListItemPacket playerlistitem = new PlayerListItemPacket(buf, reader);
PlayerListEvent plevent = playerlistitem.Read(Tablist, Tablist_nicks);
if (servePlayerList(plevent, Tablist, Tablist_nicks)) {
this.refreshTablist();
}
e = plevent;
break;
case DisplayScoreBoardPacket.ID:
// Scoreboard display
new DisplayScoreBoardPacket(buf, reader).Read();
break;
case SetCompressionPacket.ID2:
new SetCompressionPacket(buf, reader).Read();
sendmsg("Compression activated");
// compack.Write();
reader.compression = true;
break;
case TeamPacket.ID:
// Teams
this.handleteam(new TeamPacket(buf, reader).Read());
break;
case PluginMessagePacket.ID:
// Plugin message
// PluginMessageEvent plmsge = new PluginMessagePacket(buf,
// reader).Read();
// e = plmsge;
// sendmsg("Channel: " + plmsge.getChannel() + " Message: " +
// plmsge.getMessageAsString());
break;
case ConnectionResetPacket.ID:
ConnectionResetEvent dcevent = new ConnectionResetPacket(buf, reader).Read();
sendmsg("�erver closed connection. (" + dcevent.getReason() + ")");
break;
}
if (e != null) {
storage.pluginManager.invokeEvent(e, bot.getAllowedPlugins());
}
}
private void mainloop() {
// Main loop
try {
sendmsg("�onnecting");
if (protocolversion == 4 || protocolversion == 5) {
this.maxpacketid = 0x40;
} else if (protocolversion == 47) {
this.maxpacketid = 0x49;
}
BotInitEvent botinitevent = new BotInitEvent(bot);
storage.pluginManager.invokeEvent(botinitevent, bot.getAllowedPlugins());
Tablist = new ArrayList<String>();
Tablist_nicks = new HashMap<String, String>();
playerTeams = new HashMap<String, String>();
TeamsByNames = new HashMap<String, team_struct>();
haslogged = false;
encryptiondecided = false;
sock = null;
bot.seticon(ICONSTATE.CONNECTING);
if (bot.useProxy()) {
Proxy proxy = bot.getProxyAddress();
if (proxy != null) {
sock = new Socket(proxy);
sock.connect(bot.getServerAddress());
} else {
bot.logmsg("�nvalid proxy");
this.reconnect = false;
return;
}
} else {
sock = new Socket(bot.serverip, bot.serverport);
}
cin = sock.getInputStream();
cout = sock.getOutputStream();
reader = new packet(bot, cin, cout);
reader.ProtocolVersion = protocolversion;
// definepackets(reader);
storage.changemenuitems();
// First, we must send HandShake and hope for good response
new HandShakePacket(reader).Write(bot.serverip, bot.serverport);
new LoginStartPacket(reader).Write(bot.username);
connecttime = System.currentTimeMillis() / 1000;
// Init routine
communicationavailable = true;
int pid;
int len = 0;
boolean connectedicon = true;
// Connection established, time to create AntiAFK
this.afkter = new AntiAFK(this);
this.afkter.start();
// The loop
while (communicationavailable) {
packetStruct packet = reader.readNexter();
if (packet == null) {
continue;
}
len = packet.packetLength;
pid = packet.packetID;
int datalen = packet.dataLength;
// TODO: Debug part
// System.out.println("PID: " + Integer.toHexString(pid) +
// " LEN: " + len);
if (pid > maxpacketid) {
sendmsg("Received packet id " + pid + " (Length: " + len + ",Compression: " + reader.compression + ", Encryption: " + reader.isEncrypted() + ")");
sendmsg("�alformed communication");
break;
}
if (connectedicon) {
bot.seticon(ICONSTATE.CONNECTED);
}
PacketReceiveEvent packevent = new PacketReceiveEvent(bot, packet, !encryptiondecided);
storage.pluginManager.invokeEvent(packevent, bot.getAllowedPlugins());
if (packevent.isCancelled()) {
continue;
}
if (datalen > 0) {
ByteBuffer buf = packet.generateBuffer();
if (encryptiondecided) {
processpacket(pid, datalen, buf, packet);
} else {
processpreloginpacket(pid, datalen, buf);
}
}
}
} catch (UnknownHostException e) {
sendmsg("�o such host is known.");
} catch (SerialException e) {
} catch (IllegalArgumentException e) {
if (!storage.reportthis(e)) {
sendmsg("�ata stream error happened. Error log written into main tab. Please report this.");
e.printStackTrace();
}
} catch (NullPointerException e) {
if (!storage.reportthis(e)) {
sendmsg("�trange error happened. Please report this.");
e.printStackTrace();
}
} catch (SocketException e) {
} catch (IOException e) {
if (!storage.reportthis(e)) {
e.printStackTrace();
}
} catch (RuntimeException e) {
if (!storage.reportthis(e)) {
sendmsg("�rror happened. Error log written into main tab. Please report this.");
e.printStackTrace();
}
} catch (Exception e) {
if (!storage.reportthis(e)) {
sendmsg("�rror happened. Error log written into main tab. Please report this.");
e.printStackTrace();
}
}
}
/**
* Sends packet to server, if available
* @param packet
* @throws IOException
*/
public void sendIfAvailable(packetStruct packet) throws IOException {
reader.Send(packet);
}
