mirror of
https://git.tardis.systems/mirrors/yuzu
synced 2025-10-31 18:54:14 +01:00
376 lines
13 KiB
C++
376 lines
13 KiB
C++
// SPDX-FileCopyrightText: Copyright 2017 Citra Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <chrono>
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#include <fstream>
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#include <iostream>
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#include <memory>
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#include <regex>
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#include <string>
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#include <thread>
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#ifdef _WIN32
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// windows.h needs to be included before shellapi.h
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#include <windows.h>
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#include <shellapi.h>
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#endif
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#include <mbedtls/base64.h>
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#include "common/common_types.h"
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#include "common/detached_tasks.h"
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#include "common/fs/file.h"
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#include "common/fs/fs.h"
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#include "common/fs/path_util.h"
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#include "common/logging/backend.h"
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#include "common/logging/log.h"
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#include "common/scm_rev.h"
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#include "common/settings.h"
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#include "common/string_util.h"
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#include "core/announce_multiplayer_session.h"
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#include "core/core.h"
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#include "network/network.h"
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#include "network/room.h"
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#include "network/verify_user.h"
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#ifdef ENABLE_WEB_SERVICE
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#include "web_service/verify_user_jwt.h"
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#endif
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#undef _UNICODE
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#include <getopt.h>
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#ifndef _MSC_VER
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#include <unistd.h>
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#endif
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static void PrintHelp(const char* argv0) {
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std::cout << "Usage: " << argv0
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<< " [options] <filename>\n"
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"--room-name The name of the room\n"
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"--room-description The room description\n"
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"--port The port used for the room\n"
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"--max_members The maximum number of players for this room\n"
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"--password The password for the room\n"
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"--preferred-game The preferred game for this room\n"
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"--preferred-game-id The preferred game-id for this room\n"
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"--username The username used for announce\n"
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"--token The token used for announce\n"
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"--web-api-url yuzu Web API url\n"
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"--ban-list-file The file for storing the room ban list\n"
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"--log-file The file for storing the room log\n"
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"--enable-yuzu-mods Allow yuzu Community Moderators to moderate on your room\n"
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"-h, --help Display this help and exit\n"
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"-v, --version Output version information and exit\n";
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}
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static void PrintVersion() {
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std::cout << "yuzu dedicated room " << Common::g_scm_branch << " " << Common::g_scm_desc
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<< " Libnetwork: " << Network::network_version << std::endl;
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}
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/// The magic text at the beginning of a yuzu-room ban list file.
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static constexpr char BanListMagic[] = "YuzuRoom-BanList-1";
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static constexpr char token_delimiter{':'};
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static std::string UsernameFromDisplayToken(const std::string& display_token) {
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std::size_t outlen;
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std::array<unsigned char, 512> output;
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mbedtls_base64_decode(output.data(), output.size(), &outlen,
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reinterpret_cast<const unsigned char*>(display_token.c_str()),
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display_token.length());
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std::string decoded_display_token(reinterpret_cast<char*>(&output), outlen);
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return decoded_display_token.substr(0, decoded_display_token.find(token_delimiter));
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}
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static std::string TokenFromDisplayToken(const std::string& display_token) {
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std::size_t outlen;
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std::array<unsigned char, 512> output;
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mbedtls_base64_decode(output.data(), output.size(), &outlen,
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reinterpret_cast<const unsigned char*>(display_token.c_str()),
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display_token.length());
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std::string decoded_display_token(reinterpret_cast<char*>(&output), outlen);
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return decoded_display_token.substr(decoded_display_token.find(token_delimiter) + 1);
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}
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static Network::Room::BanList LoadBanList(const std::string& path) {
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std::ifstream file;
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Common::FS::OpenFileStream(file, path, std::ios_base::in);
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if (!file || file.eof()) {
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std::cout << "Could not open ban list!\n\n";
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return {};
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}
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std::string magic;
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std::getline(file, magic);
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if (magic != BanListMagic) {
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std::cout << "Ban list is not valid!\n\n";
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return {};
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}
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// false = username ban list, true = ip ban list
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bool ban_list_type = false;
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Network::Room::UsernameBanList username_ban_list;
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Network::Room::IPBanList ip_ban_list;
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while (!file.eof()) {
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std::string line;
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std::getline(file, line);
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line.erase(std::remove(line.begin(), line.end(), '\0'), line.end());
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line = Common::StripSpaces(line);
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if (line.empty()) {
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// An empty line marks start of the IP ban list
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ban_list_type = true;
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continue;
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}
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if (ban_list_type) {
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ip_ban_list.emplace_back(line);
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} else {
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username_ban_list.emplace_back(line);
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}
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}
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return {username_ban_list, ip_ban_list};
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}
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static void SaveBanList(const Network::Room::BanList& ban_list, const std::string& path) {
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std::ofstream file;
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Common::FS::OpenFileStream(file, path, std::ios_base::out);
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if (!file) {
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std::cout << "Could not save ban list!\n\n";
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return;
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}
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file << BanListMagic << "\n";
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// Username ban list
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for (const auto& username : ban_list.first) {
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file << username << "\n";
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}
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file << "\n";
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// IP ban list
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for (const auto& ip : ban_list.second) {
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file << ip << "\n";
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}
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file.flush();
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}
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static void InitializeLogging(const std::string& log_file) {
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Common::Log::Initialize();
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Common::Log::SetColorConsoleBackendEnabled(true);
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Common::Log::Start();
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}
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/// Application entry point
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int main(int argc, char** argv) {
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Common::DetachedTasks detached_tasks;
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int option_index = 0;
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char* endarg;
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std::string room_name;
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std::string room_description;
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std::string password;
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std::string preferred_game;
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std::string username;
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std::string token;
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std::string web_api_url;
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std::string ban_list_file;
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std::string log_file = "yuzu-room.log";
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u64 preferred_game_id = 0;
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u32 port = Network::DefaultRoomPort;
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u32 max_members = 16;
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bool enable_yuzu_mods = false;
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static struct option long_options[] = {
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{"room-name", required_argument, 0, 'n'},
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{"room-description", required_argument, 0, 'd'},
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{"port", required_argument, 0, 'p'},
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{"max_members", required_argument, 0, 'm'},
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{"password", required_argument, 0, 'w'},
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{"preferred-game", required_argument, 0, 'g'},
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{"preferred-game-id", required_argument, 0, 'i'},
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{"username", optional_argument, 0, 'u'},
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{"token", required_argument, 0, 't'},
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{"web-api-url", required_argument, 0, 'a'},
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{"ban-list-file", required_argument, 0, 'b'},
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{"log-file", required_argument, 0, 'l'},
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{"enable-yuzu-mods", no_argument, 0, 'e'},
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{"help", no_argument, 0, 'h'},
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{"version", no_argument, 0, 'v'},
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{0, 0, 0, 0},
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};
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while (optind < argc) {
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int arg = getopt_long(argc, argv, "n:d:p:m:w:g:u:t:a:i:l:hv", long_options, &option_index);
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if (arg != -1) {
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switch (static_cast<char>(arg)) {
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case 'n':
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room_name.assign(optarg);
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break;
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case 'd':
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room_description.assign(optarg);
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break;
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case 'p':
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port = strtoul(optarg, &endarg, 0);
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break;
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case 'm':
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max_members = strtoul(optarg, &endarg, 0);
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break;
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case 'w':
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password.assign(optarg);
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break;
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case 'g':
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preferred_game.assign(optarg);
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break;
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case 'i':
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preferred_game_id = strtoull(optarg, &endarg, 16);
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break;
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case 'u':
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username.assign(optarg);
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break;
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case 't':
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token.assign(optarg);
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break;
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case 'a':
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web_api_url.assign(optarg);
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break;
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case 'b':
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ban_list_file.assign(optarg);
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break;
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case 'l':
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log_file.assign(optarg);
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break;
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case 'e':
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enable_yuzu_mods = true;
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break;
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case 'h':
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PrintHelp(argv[0]);
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return 0;
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case 'v':
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PrintVersion();
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return 0;
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}
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}
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}
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if (room_name.empty()) {
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std::cout << "room name is empty!\n\n";
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PrintHelp(argv[0]);
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return -1;
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}
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if (preferred_game.empty()) {
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std::cout << "preferred game is empty!\n\n";
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PrintHelp(argv[0]);
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return -1;
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}
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if (preferred_game_id == 0) {
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std::cout << "preferred-game-id not set!\nThis should get set to allow users to find your "
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"room.\nSet with --preferred-game-id id\n\n";
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}
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if (max_members > Network::MaxConcurrentConnections || max_members < 2) {
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std::cout << "max_members needs to be in the range 2 - "
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<< Network::MaxConcurrentConnections << "!\n\n";
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PrintHelp(argv[0]);
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return -1;
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}
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if (port > 65535) {
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std::cout << "port needs to be in the range 0 - 65535!\n\n";
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PrintHelp(argv[0]);
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return -1;
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}
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if (ban_list_file.empty()) {
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std::cout << "Ban list file not set!\nThis should get set to load and save room ban "
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"list.\nSet with --ban-list-file <file>\n\n";
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}
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bool announce = true;
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if (token.empty() && announce) {
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announce = false;
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std::cout << "token is empty: Hosting a private room\n\n";
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}
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if (web_api_url.empty() && announce) {
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announce = false;
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std::cout << "endpoint url is empty: Hosting a private room\n\n";
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}
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if (announce) {
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if (username.empty()) {
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std::cout << "Hosting a public room\n\n";
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Settings::values.web_api_url = web_api_url;
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Settings::values.yuzu_username = UsernameFromDisplayToken(token);
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username = Settings::values.yuzu_username.GetValue();
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Settings::values.yuzu_token = TokenFromDisplayToken(token);
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} else {
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std::cout << "Hosting a public room\n\n";
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Settings::values.web_api_url = web_api_url;
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Settings::values.yuzu_username = username;
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Settings::values.yuzu_token = token;
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}
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}
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if (!announce && enable_yuzu_mods) {
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enable_yuzu_mods = false;
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std::cout << "Can not enable yuzu Moderators for private rooms\n\n";
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}
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InitializeLogging(log_file);
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// Load the ban list
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Network::Room::BanList ban_list;
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if (!ban_list_file.empty()) {
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ban_list = LoadBanList(ban_list_file);
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}
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std::unique_ptr<Network::VerifyUser::Backend> verify_backend;
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if (announce) {
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#ifdef ENABLE_WEB_SERVICE
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verify_backend =
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std::make_unique<WebService::VerifyUserJWT>(Settings::values.web_api_url.GetValue());
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#else
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std::cout
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<< "yuzu Web Services is not available with this build: validation is disabled.\n\n";
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verify_backend = std::make_unique<Network::VerifyUser::NullBackend>();
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#endif
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} else {
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verify_backend = std::make_unique<Network::VerifyUser::NullBackend>();
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}
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Core::System system{};
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auto& network = system.GetRoomNetwork();
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network.Init();
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if (std::shared_ptr<Network::Room> room = network.GetRoom().lock()) {
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AnnounceMultiplayerRoom::GameInfo preferred_game_info{.name = preferred_game,
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.id = preferred_game_id};
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if (!room->Create(room_name, room_description, "", port, password, max_members, username,
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preferred_game_info, std::move(verify_backend), ban_list,
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enable_yuzu_mods)) {
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std::cout << "Failed to create room: \n\n";
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return -1;
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}
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std::cout << "Room is open. Close with Q+Enter...\n\n";
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auto announce_session = std::make_unique<Core::AnnounceMultiplayerSession>(network);
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if (announce) {
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announce_session->Start();
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}
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while (room->GetState() == Network::Room::State::Open) {
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std::string in;
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std::cin >> in;
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if (in.size() > 0) {
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break;
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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}
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if (announce) {
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announce_session->Stop();
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}
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announce_session.reset();
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// Save the ban list
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if (!ban_list_file.empty()) {
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SaveBanList(room->GetBanList(), ban_list_file);
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}
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room->Destroy();
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}
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network.Shutdown();
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detached_tasks.WaitForAllTasks();
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return 0;
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}
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