OpenFusion/src/CNLoginServer.cpp

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#include "CNLoginServer.hpp"
#include "CNShared.hpp"
#include "CNStructs.hpp"
#include "Database.hpp"
#include "PlayerManager.hpp"
#include <regex>
#include "contrib/bcrypt/BCrypt.hpp"
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#include "settings.hpp"
std::map<CNSocket*, CNLoginData> CNLoginServer::loginSessions;
CNLoginServer::CNLoginServer(uint16_t p) {
port = p;
pHandler = &CNLoginServer::handlePacket;
init();
}
void CNLoginServer::handlePacket(CNSocket* sock, CNPacketData* data) {
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printPacket(data, CL2LS);
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switch (data->type) {
case P_CL2LS_REQ_LOGIN: {
login(sock, data);
break;
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}
case P_CL2LS_REP_LIVE_CHECK: {
loginSessions[sock].lastHeartbeat = getTime();
break;
}
case P_CL2LS_REQ_CHECK_CHAR_NAME: {
nameCheck(sock, data);
break;
}
case P_CL2LS_REQ_SAVE_CHAR_NAME: {
nameSave(sock, data);
break;
}
case P_CL2LS_REQ_CHAR_CREATE: {
characterCreate(sock, data);
break;
}
case P_CL2LS_REQ_CHAR_DELETE: {
characterDelete(sock, data);
break;
}
case P_CL2LS_REQ_CHAR_SELECT: {
characterSelect(sock, data);
break;
}
case P_CL2LS_REQ_SHARD_SELECT: {
shardSelect(sock, data);
break;
}
case P_CL2LS_REQ_SAVE_CHAR_TUTOR: {
finishTutorial(sock, data);
break;
}
case P_CL2LS_REQ_CHANGE_CHAR_NAME: {
changeName(sock, data);
break;
}
case P_CL2LS_REQ_PC_EXIT_DUPLICATE:{
duplicateExit(sock, data);
break;
}
default:
if (settings::VERBOSITY)
std::cerr << "OpenFusion: LOGIN UNIMPLM ERR. PacketType: " << Defines::p2str(CL2LS, data->type) << " (" << data->type << ")" << std::endl;
break;
/*
* Unimplemented CL2LS packets:
* P_CL2LS_CHECK_NAME_LIST - unused by the client
* P_CL2LS_REQ_SERVER_SELECT
* P_CL2LS_REQ_SHARD_LIST_INFO - dev commands, useless as we only run 1 server
*/
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}
}
#pragma region packets
void CNLoginServer::login(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_LOGIN))
return; // ignore the malformed packet
sP_CL2LS_REQ_LOGIN* login = (sP_CL2LS_REQ_LOGIN*)data->buf;
// TODO: implement better way of sending credentials
std::string userLogin((char*)login->szCookie_TEGid);
std::string userPassword((char*)login->szCookie_authid);
/*
* Sometimes the client sends garbage cookie data.
* Validate it as normal credentials instead of using a length check before falling back.
*/
if (!CNLoginServer::isLoginDataGood(userLogin, userPassword)) {
/*
* The std::string -> char* -> std::string maneuver should remove any
* trailing garbage after the null terminator.
*/
userLogin = std::string(U16toU8(login->szID).c_str());
userPassword = std::string(U16toU8(login->szPassword).c_str());
}
bool success = false;
int errorCode = 0;
// checking regex
if (!CNLoginServer::isLoginDataGood(userLogin, userPassword)) {
errorCode = (int)LoginError::LOGIN_ERROR;
}
else {
std::unique_ptr<Database::Account> findUser = Database::findAccount(userLogin);
// if account not found, make new one
if (findUser == nullptr) {
loginSessions[sock] = CNLoginData();
loginSessions[sock].userID = Database::addAccount(userLogin, userPassword);
loginSessions[sock].slot = 1;
loginSessions[sock].lastHeartbeat = getTime();
success = true;
// if user exists, check if password is correct
}
else if (CNLoginServer::isPasswordCorrect(findUser->Password, userPassword)) {
/*calling this here to timestamp login attempt,
* in order to make duplicate exit sanity check work*/
Database::updateSelected(findUser->AccountID, findUser->Selected);
// check if account isn't currently in use
if (CNLoginServer::isAccountInUse(findUser->AccountID)) {
errorCode = (int)LoginError::ID_ALREADY_IN_USE;
}
else { // if not, login success
loginSessions[sock] = CNLoginData();
loginSessions[sock].userID = findUser->AccountID;
loginSessions[sock].slot = findUser->Selected;
loginSessions[sock].lastHeartbeat = getTime();
success = true;
}
}
else {
errorCode = (int)LoginError::ID_AND_PASSWORD_DO_NOT_MATCH;
}
}
if (success) {
std::vector<Player> characters = Database::getCharacters(loginSessions[sock].userID);
int charCount = characters.size();
INITSTRUCT(sP_LS2CL_REP_LOGIN_SUCC, resp);
// set username in resp packet
memcpy(resp.szID, login->szID, sizeof(char16_t) * 33);
resp.iCharCount = charCount;
resp.iSlotNum = loginSessions[sock].slot;
resp.iPaymentFlag = 1;
resp.iOpenBetaFlag = 0;
resp.uiSvrTime = getTime();
// send the resp in with original key
sock->sendPacket((void*)&resp, P_LS2CL_REP_LOGIN_SUCC, sizeof(sP_LS2CL_REP_LOGIN_SUCC));
// update keys
sock->setEKey(CNSocketEncryption::createNewKey(resp.uiSvrTime, resp.iCharCount + 1, resp.iSlotNum + 1));
sock->setFEKey(CNSocketEncryption::createNewKey((uint64_t)(*(uint64_t*)&CNSocketEncryption::defaultKey[0]), login->iClientVerC, 1));
// now send the characters :)
std::vector<Player>::iterator it;
for (it = characters.begin(); it != characters.end(); it++) {
sP_LS2CL_REP_CHAR_INFO charInfo = sP_LS2CL_REP_CHAR_INFO();
charInfo.iSlot = (int8_t)it->slot;
charInfo.iLevel = (int16_t)it->level;
charInfo.sPC_Style = it->PCStyle;
charInfo.sPC_Style2 = it->PCStyle2;
// position
charInfo.iX = it->x;
charInfo.iY = it->y;
charInfo.iZ = it->z;
// save character in session (for char select)
int UID = it->iID;
loginSessions[sock].characters[UID] = Player(*it);
loginSessions[sock].characters[UID].FEKey = sock->getFEKey();
// Equip info
for (int i = 0; i < AEQUIP_COUNT; i++) {
charInfo.aEquip[i] = it->Equip[i];
}
// set default to the first character
if (it == characters.begin())
loginSessions[sock].selectedChar = UID;
sock->sendPacket((void*)&charInfo, P_LS2CL_REP_CHAR_INFO, sizeof(sP_LS2CL_REP_CHAR_INFO));
}
}
else {
INITSTRUCT(sP_LS2CL_REP_LOGIN_FAIL, resp);
U8toU16(userLogin, resp.szID, sizeof(resp.szID));
resp.iErrorCode = errorCode;
sock->sendPacket((void*)&resp, P_LS2CL_REP_LOGIN_FAIL, sizeof(sP_LS2CL_REP_LOGIN_FAIL));
}
}
void CNLoginServer::nameCheck(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHECK_CHAR_NAME))
return;
sP_CL2LS_REQ_CHECK_CHAR_NAME* nameCheck = (sP_CL2LS_REQ_CHECK_CHAR_NAME*)data->buf;
bool success = true;
int errorcode = 0;
// check regex
if (!CNLoginServer::isCharacterNameGood(U16toU8(nameCheck->szFirstName), U16toU8(nameCheck->szLastName))) {
success = false;
errorcode = 4;
}
else if (!Database::isNameFree(nameCheck)) { // check if name isn't already occupied
success = false;
errorcode = 1;
}
loginSessions[sock].lastHeartbeat = getTime();
if (success) {
INITSTRUCT(sP_LS2CL_REP_CHECK_CHAR_NAME_SUCC, resp);
DEBUGLOG(
std::cout << "P_CL2LS_REQ_CHECK_CHAR_NAME:" << std::endl;
std::cout << "\tFirstName: " << U16toU8(nameCheck->szFirstName) << " LastName: " << U16toU8(nameCheck->szLastName) << std::endl;
)
memcpy(resp.szFirstName, nameCheck->szFirstName, sizeof(char16_t) * 9);
memcpy(resp.szLastName, nameCheck->szLastName, sizeof(char16_t) * 17);
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHECK_CHAR_NAME_SUCC, sizeof(sP_LS2CL_REP_CHECK_CHAR_NAME_SUCC));
}
else {
INITSTRUCT(sP_LS2CL_REP_CHECK_CHAR_NAME_FAIL, resp);
resp.iErrorCode = errorcode;
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHECK_CHAR_NAME_FAIL, sizeof(sP_LS2CL_REP_CHECK_CHAR_NAME_FAIL));
}
}
void CNLoginServer::nameSave(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_SAVE_CHAR_NAME))
return;
sP_CL2LS_REQ_SAVE_CHAR_NAME* save = (sP_CL2LS_REQ_SAVE_CHAR_NAME*)data->buf;
INITSTRUCT(sP_LS2CL_REP_SAVE_CHAR_NAME_SUCC, resp);
DEBUGLOG(
std::cout << "P_CL2LS_REQ_SAVE_CHAR_NAME:" << std::endl;
std::cout << "\tSlot: " << (int)save->iSlotNum << std::endl;
std::cout << "\tName: " << U16toU8(save->szFirstName) << " " << U16toU8(save->szLastName) << std::endl;
)
resp.iSlotNum = save->iSlotNum;
resp.iGender = save->iGender;
resp.iPC_UID = Database::createCharacter(save, loginSessions[sock].userID);
memcpy(resp.szFirstName, save->szFirstName, sizeof(char16_t) * 9);
memcpy(resp.szLastName, save->szLastName, sizeof(char16_t) * 17);
loginSessions[sock].lastHeartbeat = getTime();
sock->sendPacket((void*)&resp, P_LS2CL_REP_SAVE_CHAR_NAME_SUCC, sizeof(sP_LS2CL_REP_SAVE_CHAR_NAME_SUCC));
Database::updateSelected(loginSessions[sock].userID, save->iSlotNum);
}
void CNLoginServer::characterCreate(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHAR_CREATE))
return;
sP_CL2LS_REQ_CHAR_CREATE* character = (sP_CL2LS_REQ_CHAR_CREATE*)data->buf;
Database::finishCharacter(character);
DEBUGLOG(
std::cout << "P_CL2LS_REQ_CHAR_CREATE:" << std::endl;
std::cout << "\tPC_UID: " << character->PCStyle.iPC_UID << std::endl;
std::cout << "\tNameCheck: " << (int)character->PCStyle.iNameCheck << std::endl;
std::cout << "\tName: " << U16toU8(character->PCStyle.szFirstName) << " " << U16toU8(character->PCStyle.szLastName) << std::endl;
std::cout << "\tGender: " << (int)character->PCStyle.iGender << std::endl;
std::cout << "\tFace: " << (int)character->PCStyle.iFaceStyle << std::endl;
std::cout << "\tHair: " << (int)character->PCStyle.iHairStyle << std::endl;
std::cout << "\tHair Color: " << (int)character->PCStyle.iHairColor << std::endl;
std::cout << "\tSkin Color: " << (int)character->PCStyle.iSkinColor << std::endl;
std::cout << "\tEye Color: " << (int)character->PCStyle.iEyeColor << std::endl;
std::cout << "\tHeight: " << (int)character->PCStyle.iHeight << std::endl;
std::cout << "\tBody: " << (int)character->PCStyle.iBody << std::endl;
std::cout << "\tClass: " << (int)character->PCStyle.iClass << std::endl;
std::cout << "\tiEquipUBID: " << (int)character->sOn_Item.iEquipUBID << std::endl;
std::cout << "\tiEquipLBID: " << (int)character->sOn_Item.iEquipLBID << std::endl;
std::cout << "\tiEquipFootID: " << (int)character->sOn_Item.iEquipFootID << std::endl;
)
Player player = Database::getPlayer(character->PCStyle.iPC_UID);
int64_t UID = player.iID;
INITSTRUCT(sP_LS2CL_REP_CHAR_CREATE_SUCC, resp);
resp.sPC_Style = player.PCStyle;
resp.sPC_Style2 = player.PCStyle2;
resp.iLevel = player.level;
resp.sOn_Item = character->sOn_Item;
// save player in session
loginSessions[sock].characters[UID] = Player(player);
loginSessions[sock].characters[UID].FEKey = sock->getFEKey();
loginSessions[sock].lastHeartbeat = getTime();
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHAR_CREATE_SUCC, sizeof(sP_LS2CL_REP_CHAR_CREATE_SUCC));
Database::updateSelected(loginSessions[sock].userID, player.slot);
}
void CNLoginServer::characterDelete(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHAR_DELETE))
return;
sP_CL2LS_REQ_CHAR_DELETE* del = (sP_CL2LS_REQ_CHAR_DELETE*)data->buf;
int operationResult = Database::deleteCharacter(del->iPC_UID, loginSessions[sock].userID);
INITSTRUCT(sP_LS2CL_REP_CHAR_DELETE_SUCC, resp);
resp.iSlotNum = operationResult;
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHAR_DELETE_SUCC, sizeof(sP_LS2CL_REP_CHAR_DELETE_SUCC));
loginSessions[sock].lastHeartbeat = getTime();
}
void CNLoginServer::characterSelect(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHAR_SELECT))
return;
// character selected
sP_CL2LS_REQ_CHAR_SELECT* chararacter = (sP_CL2LS_REQ_CHAR_SELECT*)data->buf;
INITSTRUCT(sP_LS2CL_REP_CHAR_SELECT_SUCC, resp);
DEBUGLOG(
std::cout << "P_CL2LS_REQ_CHAR_SELECT:" << std::endl;
std::cout << "\tPC_UID: " << chararacter->iPC_UID << std::endl;
)
loginSessions[sock].lastHeartbeat = getTime();
loginSessions[sock].selectedChar = chararacter->iPC_UID;
Database::updateSelected(loginSessions[sock].userID, loginSessions[sock].characters[chararacter->iPC_UID].slot);
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHAR_SELECT_SUCC, sizeof(sP_LS2CL_REP_CHAR_SELECT_SUCC));
}
void CNLoginServer::shardSelect(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_SHARD_SELECT))
return;
// tell client to connect to the shard server
sP_CL2LS_REQ_SHARD_SELECT* shard = (sP_CL2LS_REQ_SHARD_SELECT*)data->buf;
INITSTRUCT(sP_LS2CL_REP_SHARD_SELECT_SUCC, resp);
DEBUGLOG(
std::cout << "P_CL2LS_REQ_SHARD_SELECT:" << std::endl;
std::cout << "\tShard: " << (int)shard->ShardNum << std::endl;
)
const char* SHARD_IP = settings::SHARDSERVERIP.c_str();
resp.iEnterSerialKey = rand();
resp.g_FE_ServerPort = settings::SHARDPORT;
// copy IP to resp (this struct uses ASCII encoding so we don't have to goof around converting encodings)
memcpy(resp.g_FE_ServerIP, SHARD_IP, strlen(SHARD_IP));
resp.g_FE_ServerIP[strlen(SHARD_IP)] = '\0';
// pass player to CNSharedData
CNSharedData::setPlayer(resp.iEnterSerialKey, loginSessions[sock].characters[loginSessions[sock].selectedChar]);
sock->sendPacket((void*)&resp, P_LS2CL_REP_SHARD_SELECT_SUCC, sizeof(sP_LS2CL_REP_SHARD_SELECT_SUCC));
}
void CNLoginServer::finishTutorial(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_SAVE_CHAR_TUTOR))
return;
sP_CL2LS_REQ_SAVE_CHAR_TUTOR* save = (sP_CL2LS_REQ_SAVE_CHAR_TUTOR*)data->buf;
Database::finishTutorial(save->iPC_UID);
// update character in session
auto key = loginSessions[sock].characters[save->iPC_UID].FEKey;
loginSessions[sock].characters[save->iPC_UID] = Player(Database::getPlayer(save->iPC_UID));
loginSessions[sock].characters[save->iPC_UID].FEKey = key;
loginSessions[sock].lastHeartbeat = getTime();
// no response here
}
void CNLoginServer::changeName(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_CHANGE_CHAR_NAME))
return;
sP_CL2LS_REQ_CHANGE_CHAR_NAME* save = (sP_CL2LS_REQ_CHANGE_CHAR_NAME*)data->buf;
Database::changeName(save);
INITSTRUCT(sP_LS2CL_REP_CHANGE_CHAR_NAME_SUCC, resp);
resp.iPC_UID = save->iPCUID;
memcpy(resp.szFirstName, save->szFirstName, sizeof(char16_t) * 9);
memcpy(resp.szLastName, save->szLastName, sizeof(char16_t) * 17);
resp.iSlotNum = save->iSlotNum;
loginSessions[sock].lastHeartbeat = getTime();
sock->sendPacket((void*)&resp, P_LS2CL_REP_CHANGE_CHAR_NAME_SUCC, sizeof(sP_LS2CL_REP_CHANGE_CHAR_NAME_SUCC));
}
void CNLoginServer::duplicateExit(CNSocket* sock, CNPacketData* data) {
if (data->size != sizeof(sP_CL2LS_REQ_PC_EXIT_DUPLICATE))
return;
sP_CL2LS_REQ_PC_EXIT_DUPLICATE* exit = (sP_CL2LS_REQ_PC_EXIT_DUPLICATE*)data->buf;
auto account = Database::findAccount(U16toU8(exit->szID));
// sanity check
if (account == nullptr) {
std::cout << "[WARN] P_CL2LS_REQ_PC_EXIT_DUPLICATE submitted unknown username: " << exit->szID << std::endl;
return;
}
exitDuplicate(account->AccountID);
}
#pragma endregion
#pragma region connections
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void CNLoginServer::newConnection(CNSocket* cns) {
cns->setActiveKey(SOCKETKEY_E); // by default they accept keys encrypted with the default key
}
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void CNLoginServer::killConnection(CNSocket* cns) {
loginSessions.erase(cns);
}
void CNLoginServer::onStep() {
time_t currTime = getTime();
static time_t lastCheck = 0;
if (currTime - lastCheck < 16000)
return;
lastCheck = currTime;
for (auto& pair : loginSessions) {
if (pair.second.lastHeartbeat != 0 && currTime - pair.second.lastHeartbeat > 32000) {
pair.first->kill();
continue;
}
INITSTRUCT(sP_LS2CL_REQ_LIVE_CHECK, pkt);
pair.first->sendPacket((void*)&pkt, P_LS2CL_REQ_LIVE_CHECK, sizeof(sP_LS2CL_REQ_LIVE_CHECK));
}
}
#pragma endregion
#pragma region helperMethods
bool CNLoginServer::isAccountInUse(int accountId) {
std::map<CNSocket*, CNLoginData>::iterator it;
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for (it = CNLoginServer::loginSessions.begin(); it != CNLoginServer::loginSessions.end(); it++) {
if (it->second.userID == accountId)
return true;
}
return false;
}
bool CNLoginServer::exitDuplicate(int accountId) {
std::map<CNSocket*, CNLoginData>::iterator it;
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for (it = CNLoginServer::loginSessions.begin(); it != CNLoginServer::loginSessions.end(); it++) {
if (it->second.userID == accountId) {
CNSocket* sock = it->first;
INITSTRUCT(sP_LS2CL_REP_PC_EXIT_DUPLICATE, resp);
resp.iErrorCode = 0;
sock->sendPacket((void*)&resp, P_LS2CL_REP_PC_EXIT_DUPLICATE, sizeof(sP_LS2CL_REP_PC_EXIT_DUPLICATE));
sock->kill();
return true;
}
}
return false;
}
bool CNLoginServer::isLoginDataGood(std::string login, std::string password) {
std::regex loginRegex("[a-zA-Z0-9_-]{4,32}");
std::regex passwordRegex("[a-zA-Z0-9!@#$%^&*()_+]{8,32}");
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return (std::regex_match(login, loginRegex) && std::regex_match(password, passwordRegex));
}
bool CNLoginServer::isPasswordCorrect(std::string actualPassword, std::string tryPassword) {
return BCrypt::validatePassword(tryPassword, actualPassword);
}
bool CNLoginServer::isCharacterNameGood(std::string Firstname, std::string Lastname) {
//Allow alphanumeric and dot characters in names(disallows dot and space characters at the beginning of a name)
std::regex firstnamecheck(R"(((?! )(?!\.)[a-zA-Z0-9]*\.{0,1}(?!\.+ +)[a-zA-Z0-9]* {0,1}(?! +))*$)");
std::regex lastnamecheck(R"(((?! )(?!\.)[a-zA-Z0-9]*\.{0,1}(?!\.+ +)[a-zA-Z0-9]* {0,1}(?! +))*$)");
return (std::regex_match(Firstname, firstnamecheck) && std::regex_match(Lastname, lastnamecheck));
}
#pragma endregion