/
WorldSession.cpp
1751 lines (1505 loc) · 72.1 KB
/
WorldSession.cpp
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/*
* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file
\ingroup u2w
*/
#include "WorldSession.h"
#include "AccountMgr.h"
#include "AddonMgr.h"
#include "BattlegroundMgr.h"
#include "CharacterPackets.h"
#include "Config.h"
#include "Common.h"
#include "DatabaseEnv.h"
#include "DBCStructure.h"
#include "GameClient.h"
#include "GameTime.h"
#include "Group.h"
#include "Guild.h"
#include "GuildMgr.h"
#include "Hyperlinks.h"
#include "Log.h"
#include "Map.h"
#include "Metric.h"
#include "MoveSpline.h"
#include "ObjectAccessor.h"
#include "ObjectMgr.h"
#include "Opcodes.h"
#include "OutdoorPvPMgr.h"
#include "PacketUtilities.h"
#include "Player.h"
#include "Realm.h"
#include "ScriptMgr.h"
#ifdef ELUNA
#include "LuaEngine.h"
#endif
#include "SocialMgr.h"
#include "QueryHolder.h"
#include "Vehicle.h"
#include "WardenMac.h"
#include "WardenWin.h"
#include "World.h"
#include "WorldPacket.h"
#include "WorldSocket.h"
#include <boost/circular_buffer.hpp>
#include <zlib.h>
namespace {
std::string const DefaultPlayerName = "<none>";
} // namespace
bool MapSessionFilter::Process(WorldPacket* packet)
{
ClientOpcodeHandler const* opHandle = opcodeTable[static_cast<OpcodeClient>(packet->GetOpcode())];
//let's check if our opcode can be really processed in Map::Update()
if (opHandle->ProcessingPlace == PROCESS_INPLACE)
return true;
//we do not process thread-unsafe packets
if (opHandle->ProcessingPlace == PROCESS_THREADUNSAFE)
return false;
Player* player = m_pSession->GetPlayer();
if (!player)
return false;
//in Map::Update() we do not process packets where player is not in world!
return player->IsInWorld();
}
//we should process ALL packets when player is not in world/logged in
//OR packet handler is not thread-safe!
bool WorldSessionFilter::Process(WorldPacket* packet)
{
ClientOpcodeHandler const* opHandle = opcodeTable[static_cast<OpcodeClient>(packet->GetOpcode())];
//check if packet handler is supposed to be safe
if (opHandle->ProcessingPlace == PROCESS_INPLACE)
return true;
//thread-unsafe packets should be processed in World::UpdateSessions()
if (opHandle->ProcessingPlace == PROCESS_THREADUNSAFE)
return true;
//no player attached? -> our client! ^^
Player* player = m_pSession->GetPlayer();
if (!player)
return true;
//lets process all packets for non-in-the-world player
return (player->IsInWorld() == false);
}
/// WorldSession constructor
WorldSession::WorldSession(uint32 id, std::string&& name, std::shared_ptr<WorldSocket> sock, AccountTypes sec, uint8 expansion, time_t mute_time,
Minutes timezoneOffset, LocaleConstant locale, uint32 recruiter, bool isARecruiter):
m_muteTime(mute_time),
m_timeOutTime(0),
AntiDOS(this),
m_GUIDLow(0),
_player(nullptr),
m_Socket(std::move(sock)),
_security(sec),
_accountId(id),
_accountName(std::move(name)),
m_expansion(expansion),
_logoutTime(0),
m_inQueue(false),
m_playerLoading(false),
m_playerLogout(false),
m_playerRecentlyLogout(false),
m_playerSave(false),
m_sessionDbcLocale(sWorld->GetAvailableDbcLocale(locale)),
m_sessionDbLocaleIndex(locale),
_timezoneOffset(timezoneOffset),
m_latency(0),
m_TutorialsChanged(TUTORIALS_FLAG_NONE),
recruiterId(recruiter),
isRecruiter(isARecruiter),
_RBACData(nullptr),
expireTime(60000), // 1 min after socket loss, session is deleted
forceExit(false),
m_currentBankerGUID(),
_timeSyncClockDeltaQueue(std::make_unique<boost::circular_buffer<std::pair<int64, uint32>>>(6)),
_timeSyncClockDelta(0),
_pendingTimeSyncRequests(),
_timeSyncNextCounter(0),
_timeSyncTimer(0),
_calendarEventCreationCooldown(0),
_gameClient(new GameClient(this))
{
memset(m_Tutorials, 0, sizeof(m_Tutorials));
if (m_Socket)
{
m_Address = m_Socket->GetRemoteIpAddress().to_string();
ResetTimeOutTime(false);
LoginDatabase.PExecute("UPDATE account SET online = 1 WHERE id = {};", GetAccountId()); // One-time query
}
}
/// WorldSession destructor
WorldSession::~WorldSession()
{
///- unload player if not unloaded
if (_player)
LogoutPlayer (true);
/// - If have unclosed socket, close it
if (m_Socket)
{
m_Socket->CloseSocket();
m_Socket = nullptr;
}
delete _RBACData;
delete _gameClient;
///- empty incoming packet queue
WorldPacket* packet = nullptr;
while (_recvQueue.next(packet))
delete packet;
LoginDatabase.PExecute("UPDATE account SET online = 0 WHERE id = {};", GetAccountId()); // One-time query
}
std::string const & WorldSession::GetPlayerName() const
{
return _player != nullptr ? _player->GetName() : DefaultPlayerName;
}
std::string WorldSession::GetPlayerInfo() const
{
std::ostringstream ss;
ss << "[Player: ";
if (!m_playerLoading && _player)
ss << _player->GetName() << ' ' << _player->GetGUID().ToString() << ", ";
ss << "Account: " << GetAccountId() << "]";
return ss.str();
}
/// Get player guid if available. Use for logging purposes only
ObjectGuid::LowType WorldSession::GetGUIDLow() const
{
return GetPlayer() ? GetPlayer()->GetGUID().GetCounter() : 0;
}
/// Send a packet to the client
void WorldSession::SendPacket(WorldPacket const* packet)
{
ASSERT(packet->GetOpcode() != NULL_OPCODE);
if (!m_Socket)
return;
#ifdef TRINITY_DEBUG
// Code for network use statistic
static uint64 sendPacketCount = 0;
static uint64 sendPacketBytes = 0;
static time_t firstTime = time(nullptr);
static time_t lastTime = firstTime; // next 60 secs start time
static uint64 sendLastPacketCount = 0;
static uint64 sendLastPacketBytes = 0;
time_t cur_time = time(nullptr);
if ((cur_time - lastTime) < 60)
{
sendPacketCount += 1;
sendPacketBytes += packet->size();
sendLastPacketCount += 1;
sendLastPacketBytes += packet->size();
}
else
{
uint64 minTime = uint64(cur_time - lastTime);
uint64 fullTime = uint64(lastTime - firstTime);
TC_LOG_DEBUG("misc", "Send all time packets count: {} bytes: {} avr.count/sec: {} avr.bytes/sec: {} time: {}", sendPacketCount, sendPacketBytes, float(sendPacketCount)/fullTime, float(sendPacketBytes)/fullTime, uint32(fullTime));
TC_LOG_DEBUG("misc", "Send last min packets count: {} bytes: {} avr.count/sec: {} avr.bytes/sec: {}", sendLastPacketCount, sendLastPacketBytes, float(sendLastPacketCount)/minTime, float(sendLastPacketBytes)/minTime);
lastTime = cur_time;
sendLastPacketCount = 1;
sendLastPacketBytes = packet->wpos(); // wpos is real written size
}
#endif // !TRINITY_DEBUG
sScriptMgr->OnPacketSend(this, *packet);
#ifdef ELUNA
if (Player* plr = GetPlayer())
{
if (Eluna* e = plr->GetEluna())
{
if (!e->OnPacketSend(this, *packet))
return;
}
}
#endif
TC_LOG_TRACE("network.opcode", "S->C: {} {}", GetPlayerInfo(), GetOpcodeNameForLogging(static_cast<OpcodeServer>(packet->GetOpcode())));
m_Socket->SendPacket(*packet);
}
/// Add an incoming packet to the queue
void WorldSession::QueuePacket(WorldPacket* new_packet)
{
_recvQueue.add(new_packet);
}
/// Logging helper for unexpected opcodes
void WorldSession::LogUnexpectedOpcode(WorldPacket* packet, char const* status, const char *reason)
{
TC_LOG_ERROR("network.opcode", "Received unexpected opcode {} Status: {} Reason: {} from {}",
GetOpcodeNameForLogging(static_cast<OpcodeClient>(packet->GetOpcode())), status, reason, GetPlayerInfo());
}
/// Logging helper for unexpected opcodes
void WorldSession::LogUnprocessedTail(WorldPacket* packet)
{
if (!sLog->ShouldLog("network.opcode", LOG_LEVEL_TRACE) || packet->rpos() >= packet->wpos())
return;
TC_LOG_TRACE("network.opcode", "Unprocessed tail data (read stop at {} from {}) Opcode {} from {}",
uint32(packet->rpos()), uint32(packet->wpos()), GetOpcodeNameForLogging(static_cast<OpcodeClient>(packet->GetOpcode())), GetPlayerInfo());
packet->print_storage();
}
/// Update the WorldSession (triggered by World update)
bool WorldSession::Update(uint32 diff, PacketFilter& updater)
{
///- Before we process anything:
/// If necessary, kick the player because the client didn't send anything for too long
/// (or they've been idling in character select)
if (IsConnectionIdle() && !HasPermission(rbac::RBAC_PERM_IGNORE_IDLE_CONNECTION))
m_Socket->CloseSocket();
///- Retrieve packets from the receive queue and call the appropriate handlers
/// not process packets if socket already closed
WorldPacket* packet = nullptr;
//! Delete packet after processing by default
bool deletePacket = true;
std::vector<WorldPacket*> requeuePackets;
uint32 processedPackets = 0;
time_t currentTime = GameTime::GetGameTime();
constexpr uint32 MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE = 100;
while (m_Socket && _recvQueue.next(packet, updater))
{
OpcodeClient opcode = static_cast<OpcodeClient>(packet->GetOpcode());
ClientOpcodeHandler const* opHandle = opcodeTable[opcode];
TC_METRIC_DETAILED_TIMER("worldsession_update_opcode_time", TC_METRIC_TAG("opcode", opHandle->Name));
try
{
switch (opHandle->Status)
{
case STATUS_LOGGEDIN:
if (!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
//! If player didn't log out a while ago, it means packets are being sent while the server does not recognize
//! the client to be in world yet. We will re-add the packets to the bottom of the queue and process them later.
if (!m_playerRecentlyLogout)
{
requeuePackets.push_back(packet);
deletePacket = false;
TC_LOG_DEBUG("network", "Re-enqueueing packet with opcode {} with with status STATUS_LOGGEDIN. "
"Player is currently not in world yet.", GetOpcodeNameForLogging(static_cast<OpcodeClient>(packet->GetOpcode())));
}
}
else if (_player->IsInWorld())
{
if(AntiDOS.EvaluateOpcode(*packet, currentTime))
{
sScriptMgr->OnPacketReceive(this, *packet);
#ifdef ELUNA
if (Eluna* e = sWorld->GetEluna())
if (!e->OnPacketReceive(this, *packet))
break;
#endif
opHandle->Call(this, *packet);
LogUnprocessedTail(packet);
}
else
processedPackets = MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE; // break out of packet processing loop
}
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT:
if (!_player && !m_playerRecentlyLogout && !m_playerLogout) // There's a short delay between _player = null and m_playerRecentlyLogout = true during logout
LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT",
"the player has not logged in yet and not recently logout");
else if (AntiDOS.EvaluateOpcode(*packet, currentTime))
{
// not expected _player or must checked in packet hanlder
sScriptMgr->OnPacketReceive(this, *packet);
#ifdef ELUNA
if (Eluna* e = sWorld->GetEluna())
if (!e->OnPacketReceive(this, *packet))
break;
#endif
opHandle->Call(this, *packet);
LogUnprocessedTail(packet);
}
else
processedPackets = MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE; // break out of packet processing loop
break;
case STATUS_TRANSFER:
if (!_player)
LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player has not logged in yet");
else if (_player->IsInWorld())
LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player is still in world");
else if (AntiDOS.EvaluateOpcode(*packet, currentTime))
{
sScriptMgr->OnPacketReceive(this, *packet);
#ifdef ELUNA
if (Eluna* e = sWorld->GetEluna())
if (!e->OnPacketReceive(this, *packet))
break;
#endif
opHandle->Call(this, *packet);
LogUnprocessedTail(packet);
}
else
processedPackets = MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE; // break out of packet processing loop
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if (m_inQueue)
{
LogUnexpectedOpcode(packet, "STATUS_AUTHED", "the player not pass queue yet");
break;
}
// some auth opcodes can be recieved before STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes
// however when we recieve CMSG_CHAR_ENUM we are surely no longer during the logout process.
if (packet->GetOpcode() == CMSG_CHAR_ENUM)
m_playerRecentlyLogout = false;
if (AntiDOS.EvaluateOpcode(*packet, currentTime))
{
sScriptMgr->OnPacketReceive(this, *packet);
#ifdef ELUNA
if (Eluna* e = sWorld->GetEluna())
if (!e->OnPacketReceive(this, *packet))
break;
#endif
opHandle->Call(this, *packet);
LogUnprocessedTail(packet);
}
else
processedPackets = MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE; // break out of packet processing loop
break;
case STATUS_NEVER:
TC_LOG_ERROR("network.opcode", "Received not allowed opcode {} from {}", GetOpcodeNameForLogging(static_cast<OpcodeClient>(packet->GetOpcode()))
, GetPlayerInfo());
break;
case STATUS_UNHANDLED:
TC_LOG_DEBUG("network.opcode", "Received not handled opcode {} from {}", GetOpcodeNameForLogging(static_cast<OpcodeClient>(packet->GetOpcode()))
, GetPlayerInfo());
break;
}
}
catch (WorldPackets::InvalidHyperlinkException const& ihe)
{
TC_LOG_ERROR("network", "{} sent {} with an invalid link:\n{}", GetPlayerInfo(),
GetOpcodeNameForLogging(static_cast<OpcodeClient>(packet->GetOpcode())), ihe.GetInvalidValue());
if (sWorld->getIntConfig(CONFIG_CHAT_STRICT_LINK_CHECKING_KICK))
KickPlayer("WorldSession::Update Invalid chat link");
}
catch (WorldPackets::IllegalHyperlinkException const& ihe)
{
TC_LOG_ERROR("network", "{} sent {} which illegally contained a hyperlink:\n{}", GetPlayerInfo(),
GetOpcodeNameForLogging(static_cast<OpcodeClient>(packet->GetOpcode())), ihe.GetInvalidValue());
if (sWorld->getIntConfig(CONFIG_CHAT_STRICT_LINK_CHECKING_KICK))
KickPlayer("WorldSession::Update Illegal chat link");
}
catch (WorldPackets::PacketArrayMaxCapacityException const& pamce)
{
TC_LOG_ERROR("network", "PacketArrayMaxCapacityException: {} while parsing {} from {}.",
pamce.what(), GetOpcodeNameForLogging(static_cast<OpcodeClient>(packet->GetOpcode())), GetPlayerInfo());
}
catch (ByteBufferException const&)
{
TC_LOG_ERROR("network", "WorldSession::Update ByteBufferException occured while parsing a packet (opcode: {}) from client {}, accountid={}. Skipped packet.",
packet->GetOpcode(), GetRemoteAddress(), GetAccountId());
packet->hexlike();
}
if (deletePacket)
delete packet;
deletePacket = true;
processedPackets++;
//process only a max amout of packets in 1 Update() call.
//Any leftover will be processed in next update
if (processedPackets > MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE)
break;
}
TC_METRIC_VALUE("processed_packets", processedPackets);
_recvQueue.readd(requeuePackets.begin(), requeuePackets.end());
if (!updater.ProcessUnsafe()) // <=> updater is of type MapSessionFilter
{
// Send time sync packet every 10s.
if (_timeSyncTimer > 0)
{
if (diff >= _timeSyncTimer)
SendTimeSync();
else
_timeSyncTimer -= diff;
}
}
ProcessQueryCallbacks();
//check if we are safe to proceed with logout
//logout procedure should happen only in World::UpdateSessions() method!!!
if (updater.ProcessUnsafe())
{
if (m_Socket && m_Socket->IsOpen() && _warden)
_warden->Update(diff);
///- If necessary, log the player out
if (ShouldLogOut(currentTime) && !m_playerLoading)
LogoutPlayer(true);
///- Cleanup socket pointer if need
if (m_Socket && !m_Socket->IsOpen())
{
if (GetPlayer() && _warden)
_warden->Update(diff);
expireTime -= expireTime > diff ? diff : expireTime;
if (expireTime < diff || forceExit || !GetPlayer())
{
m_Socket = nullptr;
}
}
if (!m_Socket)
return false; //Will remove this session from the world session map
}
return true;
}
/// %Log the player out
void WorldSession::LogoutPlayer(bool save)
{
// finish pending transfers before starting the logout
while (_player && _player->IsBeingTeleportedFar())
HandleMoveWorldportAck();
m_playerLogout = true;
m_playerSave = save;
if (_player)
{
if (ObjectGuid lguid = _player->GetLootGUID())
DoLootRelease(lguid);
///- If the player just died before logging out, make him appear as a ghost
if (_player->GetDeathTimer())
{
_player->CombatStop();
_player->BuildPlayerRepop();
_player->RepopAtGraveyard();
}
else if (_player->HasAuraType(SPELL_AURA_SPIRIT_OF_REDEMPTION))
{
// this will kill character by SPELL_AURA_SPIRIT_OF_REDEMPTION
_player->RemoveAurasByType(SPELL_AURA_MOD_SHAPESHIFT);
_player->KillPlayer();
_player->BuildPlayerRepop();
_player->RepopAtGraveyard();
}
else if (_player->HasPendingBind())
{
_player->RepopAtGraveyard();
_player->SetPendingBind(0, 0);
}
//drop a flag if player is carrying it
if (Battleground* bg = _player->GetBattleground())
bg->EventPlayerLoggedOut(_player);
///- Teleport to home if the player is in an invalid instance
if (!_player->m_InstanceValid && !_player->IsGameMaster())
_player->TeleportTo(_player->m_homebindMapId, _player->m_homebindX, _player->m_homebindY, _player->m_homebindZ, _player->GetOrientation());
sOutdoorPvPMgr->HandlePlayerLeaveZone(_player, _player->GetZoneId());
for (int i=0; i < PLAYER_MAX_BATTLEGROUND_QUEUES; ++i)
{
if (BattlegroundQueueTypeId bgQueueTypeId = _player->GetBattlegroundQueueTypeId(i))
{
// track if player logs out after invited to join BG
if (_player->IsInvitedForBattlegroundQueueType(bgQueueTypeId) && sWorld->getBoolConfig(CONFIG_BATTLEGROUND_TRACK_DESERTERS))
{
CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_DESERTER_TRACK);
stmt->setUInt32(0, _player->GetGUID().GetCounter());
stmt->setUInt8(1, BG_DESERTION_TYPE_INVITE_LOGOUT);
CharacterDatabase.Execute(stmt);
}
_player->RemoveBattlegroundQueueId(bgQueueTypeId);
BattlegroundQueue& queue = sBattlegroundMgr->GetBattlegroundQueue(bgQueueTypeId);
queue.RemovePlayer(_player->GetGUID(), true);
}
}
// Repop at Graveyard or other player far teleport will prevent saving player because of not present map
// Teleport player immediately for correct player save
while (_player->IsBeingTeleportedFar())
HandleMoveWorldportAck();
///- If the player is in a guild, update the guild roster and broadcast a logout message to other guild members
if (Guild* guild = sGuildMgr->GetGuildById(_player->GetGuildId()))
guild->HandleMemberLogout(this);
///- Remove pet
_player->RemovePet(nullptr, PET_SAVE_AS_CURRENT);
///- Clear whisper whitelist
_player->ClearWhisperWhiteList();
///- empty buyback items and save the player in the database
// some save parts only correctly work in case player present in map/player_lists (pets, etc)
if (save)
{
uint32 eslot;
for (int j = BUYBACK_SLOT_START; j < BUYBACK_SLOT_END; ++j)
{
eslot = j - BUYBACK_SLOT_START;
_player->SetGuidValue(PLAYER_FIELD_VENDORBUYBACK_SLOT_1 + (eslot * 2), ObjectGuid::Empty);
_player->SetUInt32Value(PLAYER_FIELD_BUYBACK_PRICE_1 + eslot, 0);
_player->SetUInt32Value(PLAYER_FIELD_BUYBACK_TIMESTAMP_1 + eslot, 0);
}
_player->SaveToDB();
}
///- Leave all channels before player delete...
_player->CleanupChannels();
///- If the player is in a group (or invited), remove him. If the group if then only 1 person, disband the group.
_player->UninviteFromGroup();
//! Send update to group and reset stored max enchanting level
if (Group* group = _player->GetGroup())
{
group->SendUpdate();
group->ResetMaxEnchantingLevel();
if (group->GetLeaderGUID() == _player->GetGUID())
group->StartLeaderOfflineTimer();
}
//! Broadcast a logout message to the player's friends
sSocialMgr->SendFriendStatus(_player, FRIEND_OFFLINE, _player->GetGUID(), true);
_player->RemoveSocial();
//! Call script hook before deletion
sScriptMgr->OnPlayerLogout(_player);
TC_METRIC_EVENT("player_events", "Logout", _player->GetName());
//! Remove the player from the world
// the player may not be in the world when logging out
// e.g if he got disconnected during a transfer to another map
// calls to GetMap in this case may cause crashes
_player->CleanupsBeforeDelete();
TC_LOG_INFO("entities.player.character", "Account: {} (IP: {}) Logout Character:[{}] {} Level: {}, XP: {}/{} ({} left)",
GetAccountId(), GetRemoteAddress(), _player->GetName(), _player->GetGUID().ToString(), _player->GetLevel(),
_player->GetXP(), _player->GetXPForNextLevel(), std::max(0, (int32)_player->GetXPForNextLevel() - (int32)_player->GetXP()));
if (Map* _map = _player->FindMap())
_map->RemovePlayerFromMap(_player, true);
SetPlayer(nullptr); //! Pointer already deleted during RemovePlayerFromMap
//! Send the 'logout complete' packet to the client
//! Client will respond by sending 3x CMSG_CANCEL_TRADE, which we currently dont handle
SendPacket(WorldPackets::Character::LogoutComplete().Write());
TC_LOG_DEBUG("network", "SESSION: Sent SMSG_LOGOUT_COMPLETE Message");
//! Since each account can only have one online character at any given time, ensure all characters for active account are marked as offline
CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_ACCOUNT_ONLINE);
stmt->setUInt32(0, GetAccountId());
CharacterDatabase.Execute(stmt);
}
m_playerLogout = false;
m_playerSave = false;
m_playerRecentlyLogout = true;
SetLogoutStartTime(0);
}
/// Kick a player out of the World
void WorldSession::KickPlayer(std::string const& reason)
{
if (m_Socket)
{
TC_LOG_INFO("network.kick", "Account: {} Character: '{}' {} kicked with reason: {}", GetAccountId(), _player ? _player->GetName() : "<none>",
_player ? _player->GetGUID().ToString() : "", reason);
m_Socket->CloseSocket();
forceExit = true;
}
}
bool WorldSession::ValidateHyperlinksAndMaybeKick(std::string const& str)
{
if (Trinity::Hyperlinks::CheckAllLinks(str))
return true;
TC_LOG_ERROR("network", "Player {}{} sent a message with an invalid link:\n{}", GetPlayer()->GetName(),
GetPlayer()->GetGUID().ToString(), str);
if (sWorld->getIntConfig(CONFIG_CHAT_STRICT_LINK_CHECKING_KICK))
KickPlayer("WorldSession::ValidateHyperlinksAndMaybeKick Invalid chat link");
return false;
}
bool WorldSession::DisallowHyperlinksAndMaybeKick(std::string const& str)
{
if (str.find('|') == std::string::npos)
return true;
TC_LOG_ERROR("network", "Player {} {} sent a message which illegally contained a hyperlink:\n{}", GetPlayer()->GetName(),
GetPlayer()->GetGUID().ToString(), str);
if (sWorld->getIntConfig(CONFIG_CHAT_STRICT_LINK_CHECKING_KICK))
KickPlayer("WorldSession::DisallowHyperlinksAndMaybeKick Illegal chat link");
return false;
}
void WorldSession::SendNotification(const char *format, ...)
{
if (format)
{
va_list ap;
char szStr[1024];
szStr[0] = '\0';
va_start(ap, format);
vsnprintf(szStr, 1024, format, ap);
va_end(ap);
WorldPacket data(SMSG_NOTIFICATION, (strlen(szStr) + 1));
data << szStr;
SendPacket(&data);
}
}
void WorldSession::SendNotification(uint32 string_id, ...)
{
char const* format = GetTrinityString(string_id);
if (format)
{
va_list ap;
char szStr[1024];
szStr[0] = '\0';
va_start(ap, string_id);
vsnprintf(szStr, 1024, format, ap);
va_end(ap);
WorldPacket data(SMSG_NOTIFICATION, (strlen(szStr) + 1));
data << szStr;
SendPacket(&data);
}
}
bool WorldSession::CanSpeak() const
{
return m_muteTime <= GameTime::GetGameTime();
}
char const* WorldSession::GetTrinityString(uint32 entry) const
{
return sObjectMgr->GetTrinityString(entry, GetSessionDbLocaleIndex());
}
void WorldSession::ResetTimeOutTime(bool onlyActive)
{
if (GetPlayer())
m_timeOutTime = GameTime::GetGameTime() + time_t(sWorld->getIntConfig(CONFIG_SOCKET_TIMEOUTTIME_ACTIVE));
else if (!onlyActive)
m_timeOutTime = GameTime::GetGameTime() + time_t(sWorld->getIntConfig(CONFIG_SOCKET_TIMEOUTTIME));
}
bool WorldSession::IsConnectionIdle() const
{
return m_timeOutTime < GameTime::GetGameTime() && !m_inQueue;
}
void WorldSession::Handle_NULL(WorldPacket& null)
{
TC_LOG_ERROR("network.opcode", "Received unhandled opcode {} from {}", GetOpcodeNameForLogging(static_cast<OpcodeClient>(null.GetOpcode())), GetPlayerInfo());
}
void WorldSession::Handle_EarlyProccess(WorldPacket& recvPacket)
{
TC_LOG_ERROR("network.opcode", "Received opcode {} that must be processed in WorldSocket::ReadDataHandler from {}"
, GetOpcodeNameForLogging(static_cast<OpcodeClient>(recvPacket.GetOpcode())), GetPlayerInfo());
}
void WorldSession::Handle_ServerSide(WorldPacket& recvPacket)
{
TC_LOG_ERROR("network.opcode", "Received server-side opcode {} from {}"
, GetOpcodeNameForLogging(static_cast<OpcodeServer>(recvPacket.GetOpcode())), GetPlayerInfo());
}
void WorldSession::Handle_Deprecated(WorldPacket& recvPacket)
{
TC_LOG_ERROR("network.opcode", "Received deprecated opcode {} from {}"
, GetOpcodeNameForLogging(static_cast<OpcodeClient>(recvPacket.GetOpcode())), GetPlayerInfo());
}
void WorldSession::SendAuthWaitQueue(uint32 position)
{
if (position == 0)
{
WorldPacket packet(SMSG_AUTH_RESPONSE, 1);
packet << uint8(AUTH_OK);
SendPacket(&packet);
}
else
{
WorldPacket packet(SMSG_AUTH_RESPONSE, 6);
packet << uint8(AUTH_WAIT_QUEUE);
packet << uint32(position);
packet << uint8(0); // unk
SendPacket(&packet);
}
}
void WorldSession::LoadAccountData(PreparedQueryResult result, uint32 mask)
{
for (uint32 i = 0; i < NUM_ACCOUNT_DATA_TYPES; ++i)
if (mask & (1 << i))
m_accountData[i] = AccountData();
if (!result)
return;
do
{
Field* fields = result->Fetch();
uint32 type = fields[0].GetUInt8();
if (type >= NUM_ACCOUNT_DATA_TYPES)
{
TC_LOG_ERROR("misc", "Table `{}` have invalid account data type ({}), ignore.",
mask == GLOBAL_CACHE_MASK ? "account_data" : "character_account_data", type);
continue;
}
if ((mask & (1 << type)) == 0)
{
TC_LOG_ERROR("misc", "Table `{}` have non appropriate for table account data type ({}), ignore.",
mask == GLOBAL_CACHE_MASK ? "account_data" : "character_account_data", type);
continue;
}
m_accountData[type].Time = time_t(fields[1].GetUInt32());
m_accountData[type].Data = fields[2].GetString();
}
while (result->NextRow());
}
void WorldSession::SetAccountData(AccountDataType type, time_t tm, std::string const& data)
{
uint32 id = 0;
CharacterDatabaseStatements index;
if ((1 << type) & GLOBAL_CACHE_MASK)
{
id = GetAccountId();
index = CHAR_REP_ACCOUNT_DATA;
}
else
{
// _player can be NULL and packet received after logout but m_GUID still store correct guid
if (!m_GUIDLow)
return;
id = m_GUIDLow;
index = CHAR_REP_PLAYER_ACCOUNT_DATA;
}
CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(index);
stmt->setUInt32(0, id);
stmt->setUInt8 (1, type);
stmt->setUInt32(2, uint32(tm));
stmt->setString(3, data);
CharacterDatabase.Execute(stmt);
m_accountData[type].Time = tm;
m_accountData[type].Data = data;
}
void WorldSession::SendAccountDataTimes(uint32 mask)
{
WorldPacket data(SMSG_ACCOUNT_DATA_TIMES, 4 + 1 + 4 + NUM_ACCOUNT_DATA_TYPES * 4);
data << uint32(GameTime::GetGameTime()); // Server time
data << uint8(1);
data << uint32(mask); // type mask
for (uint32 i = 0; i < NUM_ACCOUNT_DATA_TYPES; ++i)
if (mask & (1 << i))
data << uint32(GetAccountData(AccountDataType(i))->Time);// also unix time
SendPacket(&data);
}
void WorldSession::LoadTutorialsData(PreparedQueryResult result)
{
memset(m_Tutorials, 0, sizeof(uint32) * MAX_ACCOUNT_TUTORIAL_VALUES);
if (result)
{
for (uint8 i = 0; i < MAX_ACCOUNT_TUTORIAL_VALUES; ++i)
m_Tutorials[i] = (*result)[i].GetUInt32();
m_TutorialsChanged |= TUTORIALS_FLAG_LOADED_FROM_DB;
}
m_TutorialsChanged &= ~TUTORIALS_FLAG_CHANGED;
}
void WorldSession::SendTutorialsData()
{
WorldPacket data(SMSG_TUTORIAL_FLAGS, 4 * MAX_ACCOUNT_TUTORIAL_VALUES);
for (uint8 i = 0; i < MAX_ACCOUNT_TUTORIAL_VALUES; ++i)
data << m_Tutorials[i];
SendPacket(&data);
}
void WorldSession::SaveTutorialsData(CharacterDatabaseTransaction trans)
{
if (!(m_TutorialsChanged & TUTORIALS_FLAG_CHANGED))
return;
bool const hasTutorialsInDB = (m_TutorialsChanged & TUTORIALS_FLAG_LOADED_FROM_DB) != 0;
CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(hasTutorialsInDB ? CHAR_UPD_TUTORIALS : CHAR_INS_TUTORIALS);
for (uint8 i = 0; i < MAX_ACCOUNT_TUTORIAL_VALUES; ++i)
stmt->setUInt32(i, m_Tutorials[i]);
stmt->setUInt32(MAX_ACCOUNT_TUTORIAL_VALUES, GetAccountId());
trans->Append(stmt);
// now has, set flag so next save uses update query
if (!hasTutorialsInDB)
m_TutorialsChanged |= TUTORIALS_FLAG_LOADED_FROM_DB;
m_TutorialsChanged &= ~TUTORIALS_FLAG_CHANGED;
}
void WorldSession::ReadMovementInfo(WorldPacket &data, MovementInfo* mi)
{
data >> mi->flags;
data >> mi->flags2;
data >> mi->time;
data >> mi->pos.PositionXYZOStream();
if (mi->HasMovementFlag(MOVEMENTFLAG_ONTRANSPORT))
{
data >> mi->transport.guid.ReadAsPacked();
data >> mi->transport.pos.PositionXYZOStream();
data >> mi->transport.time;
data >> mi->transport.seat;
if (mi->HasExtraMovementFlag(MOVEMENTFLAG2_INTERPOLATED_MOVEMENT))
data >> mi->transport.time2;
}
if (mi->HasMovementFlag(MovementFlags(MOVEMENTFLAG_SWIMMING | MOVEMENTFLAG_FLYING)) || (mi->HasExtraMovementFlag(MOVEMENTFLAG2_ALWAYS_ALLOW_PITCHING)))
data >> mi->pitch;
data >> mi->fallTime;
if (mi->HasMovementFlag(MOVEMENTFLAG_FALLING))
{
data >> mi->jump.zspeed;
data >> mi->jump.sinAngle;
data >> mi->jump.cosAngle;
data >> mi->jump.xyspeed;
}
if (mi->HasMovementFlag(MOVEMENTFLAG_SPLINE_ELEVATION))
data >> mi->splineElevation;
//! Anti-cheat checks. Please keep them in seperate if () blocks to maintain a clear overview.
//! Might be subject to latency, so just remove improper flags.
#ifdef TRINITY_DEBUG
#define REMOVE_VIOLATING_FLAGS(check, maskToRemove) \
{ \
if (check) \
{ \
TC_LOG_DEBUG("entities.unit", "WorldSession::ReadMovementInfo: Violation of MovementFlags found ({}). " \
"MovementFlags: {}, MovementFlags2: {} for player {}. Mask {} will be removed.", \
STRINGIZE(check), mi->GetMovementFlags(), mi->GetExtraMovementFlags(), GetPlayer()->GetGUID().ToString(), maskToRemove); \
mi->RemoveMovementFlag((maskToRemove)); \
} \
}
#else
#define REMOVE_VIOLATING_FLAGS(check, maskToRemove) \
if (check) \
mi->RemoveMovementFlag((maskToRemove));
#endif
if (mi->guid.IsEmpty())
{
TC_LOG_ERROR("entities.unit", "WorldSession::ReadMovementInfo: mi->guid is empty, opcode {}", static_cast<uint32>(data.GetOpcode()));
return;
}
Unit* mover = GetPlayer()->GetGUID() == mi->guid ? GetPlayer() : ObjectAccessor::GetUnit(*GetPlayer(), mi->guid);
if (!mover)
{
TC_LOG_ERROR("entities.unit", "WorldSession::ReadMovementInfo: If the server allows the unit (GUID {}) to be moved by the client of player {}, the unit should still exist! Opcode {}",
mi->guid.ToString(),
GetPlayer()->GetGUID().ToString(),
static_cast<uint32>(data.GetOpcode()));
return;
}
if (!GetPlayer()->GetVehicleBase() || !(GetPlayer()->GetVehicle()->GetVehicleInfo()->Flags & VEHICLE_FLAG_FIXED_POSITION))
REMOVE_VIOLATING_FLAGS(mi->HasMovementFlag(MOVEMENTFLAG_ROOT), MOVEMENTFLAG_ROOT);
/*! This must be a packet spoofing attempt. MOVEMENTFLAG_ROOT sent from the client is not valid
in conjunction with any of the moving movement flags such as MOVEMENTFLAG_FORWARD.
It will freeze clients that receive this player's movement info.