void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
Packet packet;
packet.Append(event->packet->data, event->packet->dataLength);
packet.IgnoreBytes(sizeof(u8)); // Ignore the message type
std::string nickname;
packet >> nickname;
MacAddress preferred_mac;
packet >> preferred_mac;
u32 client_version;
packet >> client_version;
std::string pass;
packet >> pass;
if (pass != password) {
SendWrongPassword(event->peer);
return;
}
if (!IsValidNickname(nickname)) {
SendNameCollision(event->peer);
return;
}
if (preferred_mac != NoPreferredMac) {
// Verify if the preferred mac is available
if (!IsValidMacAddress(preferred_mac)) {
SendMacCollision(event->peer);
return;
}
} else {
// Assign a MAC address of this client automatically
preferred_mac = GenerateMacAddress();
}
if (client_version != network_version) {
SendVersionMismatch(event->peer);
return;
}
// At this point the client is ready to be added to the room.
Member member{};
member.mac_address = preferred_mac;
member.nickname = nickname;
member.peer = event->peer;
{
std::lock_guard<std::mutex> lock(member_mutex);
members.push_back(std::move(member));
}
// Notify everyone that the room information has changed.
BroadcastRoomInformation();
SendJoinSuccess(event->peer, preferred_mac);
}
void Room::RoomImpl::HandleClientDisconnection(ENetPeer* client) {
// Remove the client from the members list.
{
std::lock_guard<std::mutex> lock(member_mutex);
members.erase(
std::remove_if(members.begin(), members.end(),
[client](const Member& member) { return member.peer == client; }),
members.end());
}
// Announce the change to all clients.
enet_peer_disconnect(client, 0);
BroadcastRoomInformation();
}
void Room::RoomImpl::HandleGameNamePacket(const ENetEvent* event) {
Packet in_packet;
in_packet.Append(event->packet->data, event->packet->dataLength);
in_packet.IgnoreBytes(sizeof(u8)); // Ignore the message type
GameInfo game_info;
in_packet >> game_info.name;
in_packet >> game_info.id;
{
std::lock_guard<std::mutex> lock(member_mutex);
auto member =
std::find_if(members.begin(), members.end(), [event](const Member& member) -> bool {
return member.peer == event->peer;
});
if (member != members.end()) {
member->game_info = game_info;
}
}
BroadcastRoomInformation();
}
void Room::RoomImpl::HandleClientDisconnection(ENetPeer* client) {
// Remove the client from the members list.
std::string nickname, username;
{
std::lock_guard lock(member_mutex);
auto member = std::find_if(members.begin(), members.end(), [client](const Member& member) {
return member.peer == client;
});
if (member != members.end()) {
nickname = member->nickname;
username = member->user_data.username;
members.erase(member);
}
}
// Announce the change to all clients.
enet_peer_disconnect(client, 0);
if (!nickname.empty())
SendStatusMessage(IdMemberLeave, nickname, username);
BroadcastRoomInformation();
}
void Room::RoomImpl::HandleModKickPacket(const ENetEvent* event) {
if (!HasModPermission(event->peer)) {
SendModPermissionDenied(event->peer);
return;
}
Packet packet;
packet.Append(event->packet->data, event->packet->dataLength);
packet.IgnoreBytes(sizeof(u8)); // Ignore the message type
std::string nickname;
packet >> nickname;
std::string username;
{
std::lock_guard lock(member_mutex);
const auto target_member =
std::find_if(members.begin(), members.end(),
[&nickname](const auto& member) { return member.nickname == nickname; });
if (target_member == members.end()) {
SendModNoSuchUser(event->peer);
return;
}
// Notify the kicked member
SendUserKicked(target_member->peer);
username = target_member->user_data.username;
enet_peer_disconnect(target_member->peer, 0);
members.erase(target_member);
}
// Announce the change to all clients.
SendStatusMessage(IdMemberKicked, nickname, username);
BroadcastRoomInformation();
}
void Room::RoomImpl::HandleModBanPacket(const ENetEvent* event) {
if (!HasModPermission(event->peer)) {
SendModPermissionDenied(event->peer);
return;
}
Packet packet;
packet.Append(event->packet->data, event->packet->dataLength);
packet.IgnoreBytes(sizeof(u8)); // Ignore the message type
std::string nickname;
packet >> nickname;
std::string username;
std::string ip;
{
std::lock_guard lock(member_mutex);
const auto target_member =
std::find_if(members.begin(), members.end(),
[&nickname](const auto& member) { return member.nickname == nickname; });
if (target_member == members.end()) {
SendModNoSuchUser(event->peer);
return;
}
// Notify the banned member
SendUserBanned(target_member->peer);
nickname = target_member->nickname;
username = target_member->user_data.username;
char ip_raw[256];
enet_address_get_host_ip(&target_member->peer->address, ip_raw, sizeof(ip_raw) - 1);
ip = ip_raw;
enet_peer_disconnect(target_member->peer, 0);
members.erase(target_member);
}
{
std::lock_guard lock(ban_list_mutex);
if (!username.empty()) {
// Ban the forum username
if (std::find(username_ban_list.begin(), username_ban_list.end(), username) ==
username_ban_list.end()) {
username_ban_list.emplace_back(username);
}
}
// Ban the member's IP as well
if (std::find(ip_ban_list.begin(), ip_ban_list.end(), ip) == ip_ban_list.end()) {
ip_ban_list.emplace_back(ip);
}
}
// Announce the change to all clients.
SendStatusMessage(IdMemberBanned, nickname, username);
BroadcastRoomInformation();
}
void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
{
std::lock_guard lock(member_mutex);
if (members.size() >= room_information.member_slots) {
SendRoomIsFull(event->peer);
return;
}
}
Packet packet;
packet.Append(event->packet->data, event->packet->dataLength);
packet.IgnoreBytes(sizeof(u8)); // Ignore the message type
std::string nickname;
packet >> nickname;
std::string console_id_hash;
packet >> console_id_hash;
MacAddress preferred_mac;
packet >> preferred_mac;
u32 client_version;
packet >> client_version;
std::string pass;
packet >> pass;
std::string token;
packet >> token;
if (pass != password) {
SendWrongPassword(event->peer);
return;
}
if (!IsValidNickname(nickname)) {
SendNameCollision(event->peer);
return;
}
if (preferred_mac != NoPreferredMac) {
// Verify if the preferred mac is available
if (!IsValidMacAddress(preferred_mac)) {
SendMacCollision(event->peer);
return;
}
} else {
// Assign a MAC address of this client automatically
preferred_mac = GenerateMacAddress();
}
if (!IsValidConsoleId(console_id_hash)) {
SendConsoleIdCollision(event->peer);
return;
}
if (client_version != network_version) {
SendVersionMismatch(event->peer);
return;
}
// At this point the client is ready to be added to the room.
Member member{};
member.mac_address = preferred_mac;
member.console_id_hash = console_id_hash;
member.nickname = nickname;
member.peer = event->peer;
std::string uid;
{
std::lock_guard lock(verify_UID_mutex);
uid = verify_UID;
}
member.user_data = verify_backend->LoadUserData(uid, token);
{
std::lock_guard lock(ban_list_mutex);
// Check username ban
if (!member.user_data.username.empty() &&
std::find(username_ban_list.begin(), username_ban_list.end(),
member.user_data.username) != username_ban_list.end()) {
SendUserBanned(event->peer);
return;
}
// Check IP ban
char ip_raw[256];
enet_address_get_host_ip(&event->peer->address, ip_raw, sizeof(ip_raw) - 1);
std::string ip = ip_raw;
if (std::find(ip_ban_list.begin(), ip_ban_list.end(), ip) != ip_ban_list.end()) {
SendUserBanned(event->peer);
return;
}
}
// Notify everyone that the user has joined.
SendStatusMessage(IdMemberJoin, member.nickname, member.user_data.username);
{
std::lock_guard lock(member_mutex);
members.push_back(std::move(member));
}
// Notify everyone that the room information has changed.
BroadcastRoomInformation();
if (HasModPermission(event->peer)) {
SendJoinSuccessAsMod(event->peer, preferred_mac);
} else {
SendJoinSuccess(event->peer, preferred_mac);
}
}
