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256 lines
10 KiB
C++
Executable File
256 lines
10 KiB
C++
Executable File
// ClientConnection.cpp
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// copyright 2000 Verant Interactive
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// Author: Justin Randall
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//-----------------------------------------------------------------------
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#include "FirstLoginServer.h"
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#include "ClientConnection.h"
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#include "DatabaseConnection.h"
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#include "ConfigLoginServer.h"
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#include "SessionApiClient.h"
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#include "sharedLog/Log.h"
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#include "sharedNetworkMessages/ClientLoginMessages.h"
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#include "sharedNetworkMessages/DeleteCharacterMessage.h"
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#include "sharedNetworkMessages/DeleteCharacterReplyMessage.h"
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#include "sharedNetworkMessages/ErrorMessage.h"
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#include "sharedNetworkMessages/GenericValueTypeMessage.h"
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#include "sharedNetworkMessages/LoginEnumCluster.h"
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#include "sharedFoundation/CrcConstexpr.hpp"
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#include "webAPI.h"
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//-----------------------------------------------------------------------
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ClientConnection::ClientConnection(UdpConnectionMT *u, TcpClient *t)
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: ServerConnection(u, t), m_clientId(0), m_isValidated(false), m_isSecure(false), m_adminLevel(-1),
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m_stationId(0), m_requestedAdminSuid(0), m_gameBits(0), m_subscriptionBits(0),
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m_waitingForCharacterLoginDeletion(false), m_waitingForCharacterClusterDeletion(false) {
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}
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//-----------------------------------------------------------------------
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ClientConnection::~ClientConnection() {
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}
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//-----------------------------------------------------------------------
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void ClientConnection::onConnectionClosed() {
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// client has disconnected
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if (m_stationId) {
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DEBUG_REPORT_LOG(true, ("Client %lu disconnected\n", m_stationId));
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LOG("LoginClientConnection", ("onConnectionClosed() for stationId (%lu) at IP (%s)", m_stationId, getRemoteAddress().c_str()));
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}
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LoginServer::getInstance().removeClient(m_clientId);
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/* if ((ConfigLoginServer::getValidateStationKey() || ConfigLoginServer::getDoSessionLogin()) && !m_isValidated) {
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SessionApiClient *session = LoginServer::getInstance().getSessionApiClient();
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if (session) {
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session->dropClient(this);
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}
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}*/
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}
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//-----------------------------------------------------------------------
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void ClientConnection::onConnectionOpened() {
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m_clientId = LoginServer::getInstance().addClient(*this);
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setOverflowLimit(ConfigLoginServer::getClientOverflowLimit());
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LOG("LoginClientConnection", ("onConnectionOpened() for stationId (%lu) at IP (%s)", m_stationId, getRemoteAddress().c_str()));
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}
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//-----------------------------------------------------------------------
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void ClientConnection::onReceive(const Archive::ByteStream &message) {
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try {
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//Handle all client messages here. Do not forward out.
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Archive::ReadIterator ri = message.begin();
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GameNetworkMessage m(ri);
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ri = message.begin();
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const uint32 messageType = m.getType();
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//Validation check
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if (!getIsValidated() && messageType != constcrc("LoginClientId")) {
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//Receiving message from unvalidated client. Pitch it.
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DEBUG_WARNING(true, ("Received %s message from unknown, unvalidated client", m.getCmdName().c_str()));
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return;
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}
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switch (messageType) {
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case constcrc("LoginClientId") : {
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// send the client the server "now" Epoch time so that the
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// client has an idea of how much difference there is between
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// the client's Epoch time and the server Epoch time
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GenericValueTypeMessage <int32> const serverNowEpochTime("ServerNowEpochTime", static_cast<int32>(::time(nullptr)));
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send(serverNowEpochTime, true);
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LoginClientId id(ri);
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// verify version
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#if PRODUCTION == 1
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if(!ConfigLoginServer::getValidateClientVersion() || id.getVersion() == GameNetworkMessage::NetworkVersionId)
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{
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validateClient(id.getId(), id.getKey());
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}
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else
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{
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LOG("CustomerService", ("Login:LoginServer dropping client (stationId=[%lu], ip=[%s], id=[%s], key=[%s], version=[%s]) because of network version mismatch (required version=[%s])", m_stationId, getRemoteAddress().c_str(), id.getId().c_str(), id.getKey().c_str(), id.getVersion().c_str(), GameNetworkMessage::NetworkVersionId.c_str()));
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// disconnect is handled on the client side, as soon as it recieves this message
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#if _DEBUG
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LoginIncorrectClientId incorrectId(GameNetworkMessage::NetworkVersionId, ApplicationVersion::getInternalVersion());
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#else
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LoginIncorrectClientId incorrectId("", "");
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#endif // _DEBUG
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send(incorrectId, true);
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}
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#else
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validateClient(id.getId(), id.getKey());
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#endif // PRODUCTION == 1
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break;
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}
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case constcrc("RequestExtendedClusterInfo") : {
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LoginServer::getInstance().sendExtendedClusterInfo(*this);
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break;
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}
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case constcrc("DeleteCharacterMessage") : {
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DeleteCharacterMessage msg(ri);
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std::vector<NetworkId>::const_iterator f = std::find(m_charactersPendingDeletion.begin(), m_charactersPendingDeletion.end(), msg.getCharacterId());
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if ((m_waitingForCharacterLoginDeletion || m_waitingForCharacterClusterDeletion) &&
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f != m_charactersPendingDeletion.end()) {
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DeleteCharacterReplyMessage reply(DeleteCharacterReplyMessage::rc_ALREADY_IN_PROGRESS);
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send(reply, true);
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} else {
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if (LoginServer::getInstance().deleteCharacter(msg.getClusterId(), msg.getCharacterId(), getStationId())) {
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m_waitingForCharacterLoginDeletion = true;
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m_waitingForCharacterClusterDeletion = true;
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m_charactersPendingDeletion.push_back(msg.getCharacterId());
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} else {
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DeleteCharacterReplyMessage reply(DeleteCharacterReplyMessage::rc_CLUSTER_DOWN);
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send(reply, true);
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}
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}
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break;
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}
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}
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} catch (const Archive::ReadException &readException) {
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WARNING(true, ("Archive read error (%s) on message from client. Disconnecting client.", readException.what()));
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disconnect();
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}
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}
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//-----------------------------------------------------------------------
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// originally was used to validate station API credentials, now uses our custom api
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void ClientConnection::validateClient(const std::string & id, const std::string & key)
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{
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// to avoid having to re-type this stupid var all over the place
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// ideally we wouldn't copy this here, but it would be a huge pain
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const std::string trimmedId = trim(id);
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const std::string trimmedKey = trim(key);
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// and to avoid funny business with atoi and casing
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// make it a separate var than the one we send the auth server
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std::string lcaseId;
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lcaseId.resize(trimmedId.size());
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std::transform(trimmedId.begin(),trimmedId.end(),lcaseId.begin(),::tolower);
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StationId suid = atoi(lcaseId.c_str());
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int authOK = 0;
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if (suid == 0)
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{
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std::hash<std::string> h;
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suid = h(lcaseId.c_str()); //lint !e603 // Symbol 'h' not initialized (it's a functor)
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}
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LOG("LoginClientConnection", ("validateClient() for stationId (%lu) at IP (%s), id (%s)", m_stationId, getRemoteAddress().c_str(), lcaseId.c_str()));
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std::string authURL(ConfigLoginServer::getExternalAuthUrl());
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if (!authURL.empty())
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{
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std::ostringstream postBuf;
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postBuf << "user_name=" << trimmedId << "&user_password=" << trimmedKey << "&stationID=" << suid << "&ip=" << getRemoteAddress();
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std::string response = webAPI::simplePost(authURL, std::string(postBuf.str()), "");
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if (response == "success")
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{
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authOK = 1;
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}
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else
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{
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ErrorMessage err("Login Failed", response);
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this->send(err, true);
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}
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}
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else
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{
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authOK = 1;
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}
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if (authOK)
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{
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LoginServer::getInstance().onValidateClient(suid, lcaseId, this, true, NULL, 0xFFFFFFFF, 0xFFFFFFFF);
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}
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// else this case will never be reached, noop
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}
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// ----------------------------------------------------------------------------
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/**
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* The character has been deleted from the login database. 1/2 of what is
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* required for character deletion. If the character has already been deleted
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* from the cluster, send the reply message to the client.
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*/
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void ClientConnection::onCharacterDeletedFromLoginDatabase(const NetworkId &characterId) {
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m_waitingForCharacterLoginDeletion = false;
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if (!m_waitingForCharacterClusterDeletion) {
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std::vector<NetworkId>::iterator f = std::find(m_charactersPendingDeletion.begin(), m_charactersPendingDeletion.end(), characterId);
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if (f != m_charactersPendingDeletion.end()) {
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m_charactersPendingDeletion.erase(f);
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}
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DeleteCharacterReplyMessage reply(DeleteCharacterReplyMessage::rc_OK);
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send(reply, true);
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LOG("CustomerService", ("Player:deleted character %s for stationId %u at IP: %s", characterId.getValueString().c_str(), m_stationId, getRemoteAddress().c_str()));
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}
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}
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// ----------------------------------------------------------------------
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void ClientConnection::onCharacterDeletedFromCluster(const NetworkId &characterId) {
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m_waitingForCharacterClusterDeletion = false;
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if (!m_waitingForCharacterLoginDeletion) {
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std::vector<NetworkId>::iterator f = std::find(m_charactersPendingDeletion.begin(), m_charactersPendingDeletion.end(), characterId);
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if (f != m_charactersPendingDeletion.end()) {
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m_charactersPendingDeletion.erase(f);
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// TODO: send api request and decrement # characters on this account/subaccount
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}
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DeleteCharacterReplyMessage reply(DeleteCharacterReplyMessage::rc_OK);
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send(reply, true);
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LOG("CustomerService", ("Player:deleted character %s for stationId %u at IP: %s", characterId.getValueString().c_str(), m_stationId, getRemoteAddress().c_str()));
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}
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}
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// ----------------------------------------------------------------------
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StationId ClientConnection::getRequestedAdminSuid() const {
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return m_requestedAdminSuid;
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}
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// ======================================================================
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