2f92ca99f4
Corrects oversight that causes ports to be reloaded in case they change in the config. Since Akashi cannot change its port mid-operation, that information needs to be excluded during a reload.
301 lines
10 KiB
C++
301 lines
10 KiB
C++
//////////////////////////////////////////////////////////////////////////////////////
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// akashi - a server for Attorney Online 2 //
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// Copyright (C) 2020 scatterflower //
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// //
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// This program is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU Affero General Public License as //
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// published by the Free Software Foundation, either version 3 of the //
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// License, or (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU Affero General Public License for more details. //
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// //
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// You should have received a copy of the GNU Affero General Public License //
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// along with this program. If not, see <https://www.gnu.org/licenses/>. //
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//////////////////////////////////////////////////////////////////////////////////////
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#include "include/server.h"
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Server::Server(int p_port, int p_ws_port, QObject* parent) :
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QObject(parent),
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player_count(0),
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port(p_port),
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ws_port(p_ws_port)
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{
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server = new QTcpServer(this);
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connect(server, SIGNAL(newConnection()), this, SLOT(clientConnected()));
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timer = new QTimer();
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db_manager = new DBManager();
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}
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void Server::start()
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{
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QSettings config("config/config.ini", QSettings::IniFormat);
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config.beginGroup("Options");
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QString bind_ip = config.value("ip", "all").toString();
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QHostAddress bind_addr;
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if (bind_ip == "all")
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bind_addr = QHostAddress::Any;
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else
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bind_addr = QHostAddress(bind_ip);
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if (bind_addr.protocol() != QAbstractSocket::IPv4Protocol && bind_addr.protocol() != QAbstractSocket::IPv6Protocol && bind_addr != QHostAddress::Any) {
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qDebug() << bind_ip << "is an invalid IP address to listen on! Server not starting, check your config.";
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}
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if (!server->listen(bind_addr, port)) {
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qDebug() << "Server error:" << server->errorString();
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}
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else {
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qDebug() << "Server listening on" << port;
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}
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if (ConfigManager::discordWebhookEnabled()) {
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discord = new Discord(this);
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connect(this, &Server::modcallWebhookRequest,
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discord, &Discord::onModcallWebhookRequested);
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}
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if (ConfigManager::advertiseHTTPServer()) {
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httpAdvertiserTimer = new QTimer(this);
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httpAdvertiser = new HTTPAdvertiser();
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connect(httpAdvertiserTimer, &QTimer::timeout,
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httpAdvertiser, &HTTPAdvertiser::msAdvertiseServer);
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connect(this, &Server::setHTTPConfiguration,
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httpAdvertiser, &HTTPAdvertiser::setAdvertiserSettings);
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connect(this, &Server::updateHTTPConfiguration,
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httpAdvertiser, &HTTPAdvertiser::updateAdvertiserSettings);
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setHTTPAdvertiserConfig();
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httpAdvertiserTimer->start(300000);
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}
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proxy = new WSProxy(port, ws_port, this);
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if(ws_port != -1)
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proxy->start();
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QFile char_list("config/characters.txt");
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char_list.open(QIODevice::ReadOnly | QIODevice::Text);
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while (!char_list.atEnd()) {
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characters.append(char_list.readLine().trimmed());
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}
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char_list.close();
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QFile music_file("config/music.txt");
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music_file.open(QIODevice::ReadOnly | QIODevice::Text);
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while (!music_file.atEnd()) {
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music_list.append(music_file.readLine().trimmed());
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}
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music_file.close();
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if(music_list[0].contains(".")) // Add a default category if none exists
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music_list.insert(0, "==Music==");
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QFile bg_file("config/backgrounds.txt");
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bg_file.open(QIODevice::ReadOnly | QIODevice::Text);
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while (!bg_file.atEnd()) {
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backgrounds.append(bg_file.readLine().trimmed());
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}
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bg_file.close();
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QSettings areas_ini("config/areas.ini", QSettings::IniFormat);
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area_names = areas_ini.childGroups(); // invisibly does a lexicographical sort, because Qt is great like that
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std::sort(area_names.begin(), area_names.end(), [] (const QString &a, const QString &b) {return a.split(":")[0].toInt() < b.split(":")[0].toInt();});
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QStringList sanitized_area_names;
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QStringList raw_area_names = area_names;
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for (QString area_name : area_names) {
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QStringList name_split = area_name.split(":");
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name_split.removeFirst();
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QString area_name_sanitized = name_split.join(":");
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sanitized_area_names.append(area_name_sanitized);
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}
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area_names = sanitized_area_names;
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for (int i = 0; i < raw_area_names.length(); i++) {
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QString area_name = raw_area_names[i];
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areas.insert(i, new AreaData(area_name, i));
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}
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connect(&next_message_timer, SIGNAL(timeout()), this, SLOT(allowMessage()));
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}
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void Server::clientConnected()
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{
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QTcpSocket* socket = server->nextPendingConnection();
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int user_id;
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QList<int> user_ids;
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for (AOClient* client : clients) {
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user_ids.append(client->id);
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}
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for (user_id = 0; user_id <= player_count; user_id++) {
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if (user_ids.contains(user_id))
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continue;
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else
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break;
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}
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AOClient* client = new AOClient(this, socket, this, user_id);
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int multiclient_count = 1;
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bool is_at_multiclient_limit = false;
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client->calculateIpid();
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auto ban = db_manager->isIPBanned(client->getIpid());
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bool is_banned = ban.first;
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for (AOClient* joined_client : clients) {
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if (client->remote_ip.isEqual(joined_client->remote_ip))
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multiclient_count++;
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}
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if (multiclient_count > ConfigManager::multiClientLimit() && !client->remote_ip.isLoopback()) // TODO: make this configurable
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is_at_multiclient_limit = true;
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if (is_banned) {
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QString reason = ban.second;
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AOPacket ban_reason("BD", {reason});
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socket->write(ban_reason.toUtf8());
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}
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if (is_banned || is_at_multiclient_limit) {
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socket->flush();
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client->deleteLater();
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socket->close();
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return;
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}
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clients.append(client);
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connect(socket, &QTcpSocket::disconnected, client,
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&AOClient::clientDisconnected);
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connect(socket, &QTcpSocket::disconnected, this, [=] {
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clients.removeAll(client);
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client->deleteLater();
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});
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connect(socket, &QTcpSocket::readyRead, client, &AOClient::clientData);
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AOPacket decryptor("decryptor", {"NOENCRYPT"}); // This is the infamous workaround for
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// tsuserver4. It should disable fantacrypt
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// completely in any client 2.4.3 or newer
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client->sendPacket(decryptor);
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#ifdef NET_DEBUG
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qDebug() << client->remote_ip.toString() << "connected";
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#endif
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}
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void Server::updateCharsTaken(AreaData* area)
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{
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QStringList chars_taken;
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for (QString cur_char : characters) {
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chars_taken.append(area->charactersTaken().contains(getCharID(cur_char))
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? QStringLiteral("-1")
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: QStringLiteral("0"));
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}
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AOPacket response_cc("CharsCheck", chars_taken);
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for (AOClient* client : clients) {
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if (client->current_area == area->index()){
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if (!client->is_charcursed)
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client->sendPacket(response_cc);
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else {
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QStringList chars_taken_cursed = getCursedCharsTaken(client, chars_taken);
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AOPacket response_cc_cursed("CharsCheck", chars_taken_cursed);
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client->sendPacket(response_cc_cursed);
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}
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}
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}
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}
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QStringList Server::getCursedCharsTaken(AOClient* client, QStringList chars_taken)
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{
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QStringList chars_taken_cursed;
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for (int i = 0; i < chars_taken.length(); i++) {
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if (!client->charcurse_list.contains(i))
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chars_taken_cursed.append("-1");
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else
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chars_taken_cursed.append(chars_taken.value(i));
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}
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return chars_taken_cursed;
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}
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void Server::broadcast(AOPacket packet, int area_index)
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{
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for (AOClient* client : clients) {
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if (client->current_area == area_index)
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client->sendPacket(packet);
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}
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}
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void Server::broadcast(AOPacket packet)
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{
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for (AOClient* client : clients) {
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client->sendPacket(packet);
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}
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}
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QList<AOClient*> Server::getClientsByIpid(QString ipid)
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{
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QList<AOClient*> return_clients;
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for (AOClient* client : clients) {
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if (client->getIpid() == ipid)
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return_clients.append(client);
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}
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return return_clients;
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}
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AOClient* Server::getClientByID(int id)
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{
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for (AOClient* client : clients) {
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if (client->id == id)
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return client;
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}
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return nullptr;
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}
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int Server::getCharID(QString char_name)
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{
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for (QString character : characters) {
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if (character.toLower() == char_name.toLower()) {
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return characters.indexOf(QRegExp(character, Qt::CaseInsensitive));
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}
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}
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return -1; // character does not exist
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}
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void Server::setHTTPAdvertiserConfig()
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{
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advertiser_config config;
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config.name = ConfigManager::serverName();
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config.description = ConfigManager::serverDescription();
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config.port = ConfigManager::serverPort();
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config.ws_port = ConfigManager::webaoPort();
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config.players = ConfigManager::maxPlayers();
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config.masterserver = ConfigManager::advertiserHTTPIP();
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config.debug = ConfigManager::advertiserHTTPDebug();
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emit setHTTPConfiguration(config);
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}
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void Server::updateHTTPAdvertiserConfig()
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{
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update_advertiser_config config;
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config.name = ConfigManager::serverName();
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config.description = ConfigManager::serverDescription();
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config.players = ConfigManager::maxPlayers();
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config.masterserver = ConfigManager::advertiserHTTPIP();
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config.debug = ConfigManager::advertiserHTTPDebug();
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emit updateHTTPConfiguration(config);
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}
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void Server::allowMessage()
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{
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can_send_ic_messages = true;
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}
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Server::~Server()
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{
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for (AOClient* client : clients) {
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client->deleteLater();
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}
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server->deleteLater();
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proxy->deleteLater();
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discord->deleteLater();
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delete db_manager;
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}
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