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// Magicbane Emulator Project © 2013 - 2022
// www.magicbane.com
package engine.server.login;
import engine.Enum;
import engine.Enum.DispatchChannel;
import engine.Enum.GameObjectType;
import engine.gameManager.ConfigManager;
import engine.gameManager.DbManager;
import engine.gameManager.SessionManager;
import engine.job.JobScheduler;
import engine.jobs.DisconnectJob;
import engine.net.Dispatch;
import engine.net.DispatchMessage;
import engine.net.NetMsgHandler;
import engine.net.client.ClientConnection;
import engine.net.client.Protocol;
import engine.net.client.msg.ClientNetMsg;
import engine.net.client.msg.ServerInfoMsg;
import engine.net.client.msg.login.*;
import engine.objects.Account;
import engine.objects.GuildStatusController;
import engine.objects.PlayerCharacter;
import engine.server.MBServerStatics;
import engine.session.CSSession;
import engine.session.Session;
import engine.util.ByteUtils;
import engine.util.StringUtils;
import org.pmw.tinylog.Logger;
public class LoginServerMsgHandler implements NetMsgHandler {
private final LoginServer server;
LoginServerMsgHandler(LoginServer server) {
super();
this.server = server;
}
/*
* =========================================================================
* Client Messages
* =========================================================================
*/
@Override
public boolean handleClientMsg(ClientNetMsg clientNetMsg) {
if (clientNetMsg == null) {
Logger.error("Recieved null msg. Returning.");
return false;
}
ClientConnection origin = (ClientConnection) clientNetMsg.getOrigin();
Protocol protocolMsg = clientNetMsg.getProtocolMsg();
try {
switch (protocolMsg) {
case VERSIONINFO:
this.VerifyCorrectClientVersion((VersionInfoMsg) clientNetMsg);
break;
case LOGIN:
if (LoginServer.loginServerRunning == true)
this.Login((ClientLoginInfoMsg) clientNetMsg, origin);
else
this.KickToLogin(MBServerStatics.LOGINERROR_LOGINSERVER_BUSY, "", origin);
break;
case KEEPALIVESERVERCLIENT:
// echo the keep alive back
origin.sendMsg(clientNetMsg);
break;
case SELECTSERVER:
this.SendServerInfo(origin);
break;
case CREATECHAR:
this.CommitNewCharacter((CommitNewCharacterMsg) clientNetMsg, origin);
break;
case REMOVECHAR:
this.DeleteCharacter((DeleteCharacterMsg) clientNetMsg, origin);
break;
case SELECTCHAR:
this.RequestGameServer((GameServerIPRequestMsg) clientNetMsg, origin);
break;
case SETSELECTEDOBECT:
// Why is this being sent to login server?
break;
default:
String ocHex = StringUtils.toHexString(protocolMsg.opcode);
Logger.error("Cannot not handle Opcode: " + ocHex);
return false;
}
} catch (Exception e) {
Logger.error("protocolMsg:" + protocolMsg + e.toString());
return false;
}
return true;
}
private void VerifyCorrectClientVersion(VersionInfoMsg vim) {
ClientConnection cc;
String cMajorVer;
String cMinorVer;
VersionInfoMsg outVim;
cc = (ClientConnection) vim.getOrigin();
cMajorVer = vim.getMajorVersion();
cMinorVer = vim.getMinorVersion();
if (!cMajorVer.equals(this.server.getDefaultVersionInfo().getMajorVersion())) {
this.KickToLogin(MBServerStatics.LOGINERROR_INCORRECT_CLIENT_VERSION, "Major Version Failure: " + cMajorVer, cc);
return;
}
/* if (!cMinorVer.equals(this.server.getDefaultVersionInfo().getMinorVersion())) {
this.KickToLogin(MBServerStatics.LOGINERROR_INCORRECT_CLIENT_VERSION, "Minor Version Failure: " + cMinorVer, cc);
return;
} */
if (cMinorVer == null) {
this.KickToLogin(MBServerStatics.LOGINERROR_INCORRECT_CLIENT_VERSION, "Minor Version Failure: ", cc);
return;
}
if (cMinorVer.length() < 8 || cMinorVer.length() > 16) {
this.KickToLogin(MBServerStatics.LOGINERROR_INCORRECT_CLIENT_VERSION, "Minor Version Failure: ", cc);
return;
}
// set MachineID for this connection
cc.machineID = cMinorVer;
// send fake right back to the client
outVim = new VersionInfoMsg(vim.getMajorVersion(), this.server.getDefaultVersionInfo().getMinorVersion() );
cc.sendMsg(outVim);
}
// our data access should be in a separate object
private void Login(ClientLoginInfoMsg clientLoginInfoMessage, ClientConnection clientConnection) {
// Add zero length strings to eliminate the need for null checking.
String uname = clientLoginInfoMessage.getUname();
String pass = clientLoginInfoMessage.getPword();
// Check to see if there is actually any data in uname.pass
if (uname.length() == 0) {
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "The username provided was zero length.", clientConnection);
return;
}
if (pass.length() == 0) {
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "The password provided was zero length.", clientConnection);
return;
}
Account account;
account = DbManager.AccountQueries.GET_ACCOUNT(uname);
// Create the account if it doesn't exist and MB_LOGIN_AUTOREG is TRUE;
// This is to support MagicBox users without a web hosting skillset.
if (account == null) {
if (ConfigManager.MB_LOGIN_AUTOREG.getValue().equals("FALSE")) {
this.KickToLogin(MBServerStatics.LOGINERROR_INVALID_USERNAME_PASSWORD, "Could not find account (" + uname + ')', clientConnection);
Logger.info("Could not find account (" + uname + ')');
return;
}
Logger.info("AutoRegister: " + uname + "/" + pass);
DbManager.AccountQueries.CREATE_SINGLE(uname, pass);
account = DbManager.AccountQueries.GET_ACCOUNT(uname);
if (account == null) {
this.KickToLogin(MBServerStatics.LOGINERROR_INVALID_USERNAME_PASSWORD, "Could not find account (" + uname + ')', clientConnection);
Logger.info("Could not auto-create (" + uname + ')');
return;
}
}
if (account.getLastLoginFailure() + MBServerStatics.RESET_LOGIN_ATTEMPTS_AFTER < System.currentTimeMillis())
account.resetLoginAttempts();
// TODO: Log the login attempts IP, name, password and timestamp
// Check number invalid login attempts. If 5 or greater, kick to login.
if (account.getLoginAttempts() >= MBServerStatics.MAX_LOGIN_ATTEMPTS) {
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "Too many login in attempts for '" + uname + '\'', clientConnection);
Logger.info("Too many login in attempts for '" + uname + '\'');
return;
}
if (account.lastPasswordCheck < System.currentTimeMillis()) {
account.lastPasswordCheck = System.currentTimeMillis() + MBServerStatics.ONE_MINUTE;
}
// Attempt to validate login
try {
if (!account.passIsValid(pass, clientConnection.getClientIpAddress(), clientConnection.machineID)) {
account.incrementLoginAttempts();
this.KickToLogin(MBServerStatics.LOGINERROR_INVALID_USERNAME_PASSWORD, "", clientConnection);
Logger.info("Incorrect password(" + uname + ')');
return;
}
} catch (IllegalArgumentException e1) {
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "", clientConnection);
Logger.info("Failed forum account validation(" + uname + ')');
}
// Account deactivated
if (account.status.equals(Enum.AccountStatus.BANNED)) {
this.KickToLogin(MBServerStatics.LOGINERROR_NO_MORE_PLAYTIME_ON_ACCOUNT, "", clientConnection);
return;
}
// Check to see if we have a Session mapped with this Account:
Session session = SessionManager.getSession(account);
// If there is, then the account is in use and must be handled:
// kick the 'other connection'
if (session != null)
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "Your account has been accessed from a different IP & Port.", session.getConn()); // Logout the character
// TODO implement character logout
// Get a new session
session = SessionManager.getNewSession(account, clientConnection);
// Set Invalid Login Attempts to 0
account.resetLoginAttempts();
// Send Login Response
ClientLoginInfoMsg loginResponse = new ClientLoginInfoMsg(clientLoginInfoMessage);
loginResponse.setUnknown06(8323072);
loginResponse.setUnknown07(3276800);
loginResponse.setUnknown08(196608);
loginResponse.setUnknown09((short) 15);
clientConnection.sendMsg(loginResponse);
// send character select screen
try {
this.sendCharacterSelectScreen(session);
} catch (Exception e) {
Logger.error("Unable to Send Character Select Screen to client");
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "Unable to send Character Select Screen to client.", clientConnection);
return;
}
// Logging
String addyPort = clientConnection.getRemoteAddressAndPortAsString();
int id = account.getObjectUUID();
Logger.info(uname + '(' + id + ") has successfully logged in from " + addyPort);
}
private void KickToLogin(int errCode, String message, ClientConnection origin) {
LoginErrorMsg msg = new LoginErrorMsg(errCode, message);
PlayerCharacter player = origin.getPlayerCharacter();
if (player == null) {
origin.sendMsg(msg);
} else {
Dispatch dispatch = Dispatch.borrow(player, msg);
DispatchMessage.dispatchMsgDispatch(dispatch, DispatchChannel.PRIMARY);
}
Logger.info("Kicking to Login. Message: '" + message + '\'');
DisconnectJob dj = new DisconnectJob(origin);
JobScheduler.getInstance().scheduleJob(dj, 250);
}
protected void sendCharacterSelectScreen(Session s) {
sendCharacterSelectScreen(s, false);
}
private void sendCharacterSelectScreen(Session s, boolean fromCommit) {
if (s.getAccount() != null) {
CharSelectScreenMsg cssm = new CharSelectScreenMsg(s, fromCommit);
s.getConn().sendMsg(cssm);
} else {
Logger.error("No Account Found: Unable to Send Character Select Screen");
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "Unable to send Character Select Screen to client.", s.getConn());
}
}
private void SendServerInfo(ClientConnection conn) {
ServerInfoMsg sim = new ServerInfoMsg();
if (!conn.sendMsg(sim)) {
Logger.error("Failed to send message");
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "Unable to send ServerInfoMsg to client.", conn);
}
}
private void CommitNewCharacter(CommitNewCharacterMsg commitNewCharacterMessage, ClientConnection clientConnection) {
Session session = SessionManager.getSession(clientConnection);
if (session.getAccount() == null)
return;
try {
// Check to see if there is an available slot.
if (session.getAccount().characterMap.size() >= MBServerStatics.MAX_NUM_OF_CHARACTERS) {
this.sendCharacterSelectScreen(session);
return;
}
PlayerCharacter pc = PlayerCharacter.generatePCFromCommitNewCharacterMsg(session.getAccount(), commitNewCharacterMessage, clientConnection);
if (pc == null) {
Logger.info("Player returned null while creating character.");
this.sendCharacterSelectScreen(session, true);
return;
}
PlayerCharacter.initializePlayer(pc);
session.getAccount().characterMap.putIfAbsent(pc.getObjectUUID(), pc);
// Send back to Character Select Screen
this.sendCharacterSelectScreen(session, true);
} catch (Exception e) {
Logger.error(e);
this.sendCharacterSelectScreen(session, true);
}
}
public static void sendInvalidNameMsg(String firstName, String lastName, int errorCode, ClientConnection clientConnection) {
InvalidNameMsg invalidNameMessage;
if (firstName.length() > 256 || lastName.length() > 256)
invalidNameMessage = new InvalidNameMsg(firstName, lastName, errorCode);
else
invalidNameMessage = new InvalidNameMsg(firstName, lastName, errorCode);
clientConnection.sendMsg(invalidNameMessage);
}
private void DeleteCharacter(DeleteCharacterMsg msg, ClientConnection origin) {
try {
PlayerCharacter player;
Session session;
session = SessionManager.getSession(origin);
player = (PlayerCharacter) DbManager.getObject(GameObjectType.PlayerCharacter, msg.getCharacterUUID());
if (player == null) {
Logger.error("Delete Error: PlayerID=" + msg.getCharacterUUID() + " not found.");
this.sendCharacterSelectScreen(session);
return;
}
if (session.getAccount() == null) {
Logger.error("Delete Error: Account not found.");
this.sendCharacterSelectScreen(session);
return;
}
if (player.getAccount() != origin.getAccount()) {
Logger.error("Delete Error: Character " + player.getName() + " does not belong to account " + origin.getAccount().getUname());
this.sendCharacterSelectScreen(session);
return;
}
//Can't delete as Guild Leader
//TODO either find an error or just gdisband.
if (GuildStatusController.isGuildLeader(player.getGuildStatus())) {
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "Cannot delete a guild leader.", origin);
return;
}
// check for active banes
if (LoginServer.getActiveBaneQuery(player)) {
Logger.info("Character " + player.getName() + " has unresolved bane");
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "Player has unresolved bane.", origin);
return;
}
player.getAccount().characterMap.remove(player.getObjectUUID());
player.deactivateCharacter();
// TODO Delete Equipment
// Resend Character Select Screen.
this.sendCharacterSelectScreen(session);
} catch (Exception e) {
Logger.error(e);
}
}
private void RequestGameServer(GameServerIPRequestMsg gameServerIPRequestMessage, ClientConnection conn) {
Session session;
PlayerCharacter player;
session = SessionManager.getSession(conn);
player = (PlayerCharacter) DbManager.getObject(GameObjectType.PlayerCharacter, gameServerIPRequestMessage.getCharacterUUID());
if (player == null) {
Logger.info("Unable to find character ID " + gameServerIPRequestMessage.getCharacterUUID());
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "PlayerCharacter lookup failed in .RequestGameServer().", conn);
return;
}
try {
if (!CSSession.updateCrossServerSession(ByteUtils.byteArrayToSafeStringHex(conn.getSecretKeyBytes()), gameServerIPRequestMessage.getCharacterUUID())) {
Logger.info("Failed to update Cross server session, Kicking to Login for Character " + player.getObjectUUID());
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "Failed to update Session Information", conn);
return;
}
} catch (Exception e) {
Logger.info("Failed to update Cross server session, Kicking to Login for Character " + player.getObjectUUID());
Logger.error(e);
}
// Set the last character used.
Account account = session.getAccount();
account.setLastCharIDUsed(gameServerIPRequestMessage.getCharacterUUID());
GameServerIPResponseMsg gsiprm = new GameServerIPResponseMsg();
if (!conn.sendMsg(gsiprm)) {
Logger.error("Failed to send message");
this.KickToLogin(MBServerStatics.LOGINERROR_UNABLE_TO_LOGIN, "Unable to send GameServerIPResponseMsg to client.", conn);
}
}
}