using System; using System.Collections.Generic; using System.IO; using System.IO.Compression; using System.Linq; using System.Net.Http; using System.Text.RegularExpressions; using System.Threading; using System.Threading.Tasks; using GoldbergGUI.Core.Models; using GoldbergGUI.Core.Utils; using MvvmCross.Logging; namespace GoldbergGUI.Core.Services { // downloads and updates goldberg emu // sets up config files // does file copy stuff public interface IGoldbergService { public Task Initialize(IMvxLog log); public Task Read(string path); public Task Save(string path, GoldbergConfiguration configuration); public Task GetGlobalSettings(); public Task SetGlobalSettings(GoldbergGlobalConfiguration configuration); public bool GoldbergApplied(string path); public Task Download(); public Task Extract(string archivePath); public Task GenerateInterfacesFile(string filePath); public List Languages(); } // ReSharper disable once UnusedType.Global public class GoldbergService : IGoldbergService { private IMvxLog _log; private const string GoldbergUrl = "https://mr_goldberg.gitlab.io/goldberg_emulator/"; private const string DefaultLanguage = "english"; private readonly string _goldbergZipPath = Path.Combine(Directory.GetCurrentDirectory(), "goldberg.zip"); private readonly string _goldbergPath = Path.Combine(Directory.GetCurrentDirectory(), "goldberg"); private static readonly string GlobalSettingsPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Goldberg SteamEmu Saves"); private readonly string _accountNamePath = Path.Combine(GlobalSettingsPath, "settings/account_name.txt"); private readonly string _userSteamIdPath = Path.Combine(GlobalSettingsPath, "settings/user_steam_id.txt"); private readonly string _languagePath = Path.Combine(GlobalSettingsPath, "settings/language.txt"); private readonly List _interfaceNames = new List { "SteamClient", "SteamGameServer", "SteamGameServerStats", "SteamUser", "SteamFriends", "SteamUtils", "SteamMatchMaking", "SteamMatchMakingServers", "STEAMUSERSTATS_INTERFACE_VERSION", "STEAMAPPS_INTERFACE_VERSION", "SteamNetworking", "STEAMREMOTESTORAGE_INTERFACE_VERSION", "STEAMSCREENSHOTS_INTERFACE_VERSION", "STEAMHTTP_INTERFACE_VERSION", "STEAMUNIFIEDMESSAGES_INTERFACE_VERSION", "STEAMUGC_INTERFACE_VERSION", "STEAMAPPLIST_INTERFACE_VERSION", "STEAMMUSIC_INTERFACE_VERSION", "STEAMMUSICREMOTE_INTERFACE_VERSION", "STEAMHTMLSURFACE_INTERFACE_VERSION_", "STEAMINVENTORY_INTERFACE_V", "SteamController", "SteamMasterServerUpdater", "STEAMVIDEO_INTERFACE_V" }; // Call Download // Get global settings public async Task Initialize(IMvxLog log) { _log = log; var download = await Download().ConfigureAwait(false); if (download) await Extract(_goldbergZipPath).ConfigureAwait(false); return await GetGlobalSettings().ConfigureAwait(false); } public async Task GetGlobalSettings() { _log.Info("Getting global settings..."); var accountName = "Account name..."; long steamId = -1; var language = DefaultLanguage; await Task.Run(() => { if (File.Exists(_accountNamePath)) accountName = File.ReadLines(_accountNamePath).First().Trim(); if (File.Exists(_userSteamIdPath) && !long.TryParse(File.ReadLines(_userSteamIdPath).First().Trim(), out steamId) && steamId < 76561197960265729 && steamId > 76561202255233023) _log.Error("Invalid User Steam ID!"); if (File.Exists(_languagePath)) language = File.ReadLines(_languagePath).First().Trim(); }).ConfigureAwait(false); return new GoldbergGlobalConfiguration { AccountName = accountName, UserSteamId = steamId, Language = language }; } public async Task SetGlobalSettings(GoldbergGlobalConfiguration c) { var accountName = c.AccountName; var userSteamId = c.UserSteamId; var language = c.Language; _log.Info("Setting global settings..."); if (accountName != null && accountName != "Account name...") { _log.Info("Setting account name..."); await File.WriteAllTextAsync(_accountNamePath, accountName).ConfigureAwait(false); } else { _log.Info("Invalid account name! Skipping..."); await File.WriteAllTextAsync(_accountNamePath, "Goldberg").ConfigureAwait(false); } if (userSteamId >= 76561197960265729 && userSteamId <= 76561202255233023) { _log.Info("Setting user Steam ID..."); await File.WriteAllTextAsync(_userSteamIdPath, userSteamId.ToString()).ConfigureAwait(false); } else { _log.Info("Invalid user Steam ID! Skipping..."); await Task.Run(() => File.Delete(_userSteamIdPath)).ConfigureAwait(false); } if (language != null) { _log.Info("Setting language..."); await File.WriteAllTextAsync(_languagePath, language).ConfigureAwait(false); } else { _log.Info("Invalid language! Skipping..."); await File.WriteAllTextAsync(_languagePath, DefaultLanguage).ConfigureAwait(false); } } // If first time, call GenerateInterfaces // else try to read config public async Task Read(string path) { _log.Info("Reading configuration..."); var appId = -1; var dlcList = new List(); var steamAppidTxt = Path.Combine(path, "steam_appid.txt"); if (File.Exists(steamAppidTxt)) { _log.Info("Getting AppID..."); await Task.Run(() => int.TryParse(File.ReadLines(steamAppidTxt).First().Trim(), out appId)) .ConfigureAwait(false); } else { _log.Info(@"""steam_appid.txt"" missing! Skipping..."); } var dlcTxt = Path.Combine(path, "steam_settings", "DLC.txt"); if (File.Exists(dlcTxt)) { _log.Info("Getting DLCs..."); var readAllLinesAsync = await File.ReadAllLinesAsync(dlcTxt).ConfigureAwait(false); var expression = new Regex(@"(?.*) *= *(?.*)"); // ReSharper disable once LoopCanBeConvertedToQuery foreach (var line in readAllLinesAsync) { var match = expression.Match(line); if (match.Success) dlcList.Add(new SteamApp { AppId = Convert.ToInt32(match.Groups["id"].Value), Name = match.Groups["name"].Value }); } } else { _log.Info(@"""steam_settings/DLC.txt"" missing! Skipping..."); } return new GoldbergConfiguration { AppId = appId, DlcList = dlcList, Offline = File.Exists(Path.Combine(path, "steam_settings", "offline.txt")), DisableNetworking = File.Exists(Path.Combine(path, "steam_settings", "disable_networking.txt")), DisableOverlay = File.Exists(Path.Combine(path, "steam_settings", "disable_overlay.txt")) }; } // If first time, rename original SteamAPI DLL to steam_api(64)_o.dll // If not, rename current SteamAPI DLL to steam_api(64).dll.backup // Copy Goldberg DLL to path // Save configuration files public async Task Save(string path, GoldbergConfiguration c) { _log.Info("Saving configuration..."); // DLL setup _log.Info("Running DLL setup..."); const string x86Name = "steam_api"; const string x64Name = "steam_api64"; if (File.Exists(Path.Combine(path, $"{x86Name}.dll"))) { CopyDllFiles(path, x86Name); } if (File.Exists(Path.Combine(path, $"{x64Name}.dll"))) { CopyDllFiles(path, x64Name); } // Create steam_settings folder if missing _log.Info("Saving settings..."); if (!Directory.Exists(Path.Combine(path, "steam_settings"))) { Directory.CreateDirectory(Path.Combine(path, "steam_settings")); } // create steam_appid.txt await File.WriteAllTextAsync(Path.Combine(path, "steam_appid.txt"), c.AppId.ToString()).ConfigureAwait(false); // DLC if (c.DlcList.Count > 0) { var dlcString = ""; c.DlcList.ForEach(x => dlcString += $"{x}\n"); await File.WriteAllTextAsync(Path.Combine(path, "steam_settings", "DLC.txt"), dlcString) .ConfigureAwait(false); } else { if (File.Exists(Path.Combine(path, "steam_settings", "DLC.txt"))) File.Delete(Path.Combine(path, "steam_settings", "DLC.txt")); } // Offline if (c.Offline) { await File.Create(Path.Combine(path, "steam_settings", "offline.txt")).DisposeAsync() .ConfigureAwait(false); } else { File.Delete(Path.Combine(path, "steam_settings", "offline.txt")); } // Disable Networking if (c.DisableNetworking) { await File.Create(Path.Combine(path, "steam_settings", "disable_networking.txt")).DisposeAsync() .ConfigureAwait(false); } else { File.Delete(Path.Combine(path, "steam_settings", "disable_networking.txt")); } // Disable Overlay if (c.DisableOverlay) { await File.Create(Path.Combine(path, "steam_settings", "disable_overlay.txt")).DisposeAsync() .ConfigureAwait(false); } else { File.Delete(Path.Combine(path, "steam_settings", "disable_overlay.txt")); } } private void CopyDllFiles(string path, string name) { var steamApiDll = Path.Combine(path, $"{name}.dll"); var originalDll = Path.Combine(path, $"{name}_o.dll"); var guiBackup = Path.Combine(path, $"{name}.dll.GOLDBERGGUIBACKUP"); var goldbergDll = Path.Combine(_goldbergPath, $"{name}.dll"); if (!File.Exists(originalDll)) File.Move(steamApiDll, originalDll); else { File.Move(steamApiDll, guiBackup, true); File.SetAttributes(guiBackup, FileAttributes.Hidden); } File.Copy(goldbergDll, steamApiDll); } public bool GoldbergApplied(string path) { var steamSettingsDirExists = Directory.Exists(Path.Combine(path, "steam_settings")); var steamAppIdTxtExists = File.Exists(Path.Combine(path, "steam_appid.txt")); _log.Debug($"Goldberg applied? {(steamSettingsDirExists && steamAppIdTxtExists).ToString()}"); return steamSettingsDirExists && steamAppIdTxtExists; } // Get webpage // Get job id, compare with local if exists, save it if false or missing // Get latest archive if mismatch, call Extract public async Task Download() { _log.Info("Initializing download..."); if (!Directory.Exists(_goldbergPath)) Directory.CreateDirectory(_goldbergPath); var client = new HttpClient(); var response = await client.GetAsync(GoldbergUrl).ConfigureAwait(false); var body = await response.Content.ReadAsStringAsync().ConfigureAwait(false); var regex = new Regex( @"https:\/\/gitlab\.com\/Mr_Goldberg\/goldberg_emulator\/-\/jobs\/(?.*)\/artifacts\/download"); var jobIdPath = Path.Combine(_goldbergPath, "job_id"); var match = regex.Match(body); if (File.Exists(jobIdPath)) { _log.Info("Check if update is needed..."); var jobIdLocal = Convert.ToInt32(File.ReadLines(jobIdPath).First().Trim()); var jobIdRemote = Convert.ToInt32(match.Groups["jobid"].Value); _log.Debug($"job_id: local {jobIdLocal}; remote {jobIdRemote}"); if (jobIdLocal.Equals(jobIdRemote)) { _log.Info("Latest Goldberg emulator is already available! Skipping..."); return false; } } _log.Info("Starting download..."); await StartDownload(match.Value).ConfigureAwait(false); return true; } private async Task StartDownload(string downloadUrl) { var client = new HttpClient(); _log.Debug(downloadUrl); await using var fileStream = File.OpenWrite(_goldbergZipPath); //client.GetAsync(downloadUrl, HttpCompletionOption.ResponseHeadersRead) var task = client.GetFileAsync(downloadUrl, fileStream).ConfigureAwait(false); await task; if (task.GetAwaiter().IsCompleted) { _log.Info("Download finished!"); } } // Empty subfolder ./goldberg/ // Extract all from archive to subfolder ./goldberg/ public async Task Extract(string archivePath) { _log.Debug("Start extraction..."); await Task.Run(() => { Directory.Delete(_goldbergPath, true); ZipFile.ExtractToDirectory(archivePath, _goldbergPath); }).ConfigureAwait(false); _log.Debug("Extraction done!"); } // https://gitlab.com/Mr_Goldberg/goldberg_emulator/-/blob/master/generate_interfaces_file.cpp // (maybe) check DLL date first public async Task GenerateInterfacesFile(string filePath) { _log.Debug($"GenerateInterfacesFile {filePath}"); //throw new NotImplementedException(); // Get DLL content var result = new HashSet(); var dllContent = await File.ReadAllTextAsync(filePath).ConfigureAwait(false); // find interfaces foreach (var name in _interfaceNames) { FindInterfaces(ref result, dllContent, new Regex($"{name}\\d{{3}}")); if (!FindInterfaces(ref result, dllContent, new Regex(@"STEAMCONTROLLER_INTERFACE_VERSION\d{3}"))) { FindInterfaces(ref result, dllContent, new Regex("STEAMCONTROLLER_INTERFACE_VERSION")); } } var dirPath = Path.GetDirectoryName(filePath); if (dirPath == null) return; await using var destination = File.CreateText(dirPath + "/steam_interfaces.txt"); foreach (var s in result) { await destination.WriteLineAsync(s).ConfigureAwait(false); } } public List Languages() => new List { DefaultLanguage, "arabic", "bulgarian", "schinese", "tchinese", "czech", "danish", "dutch", "finnish", "french", "german", "greek", "hungarian", "italian", "japanese", "koreana", "norwegian", "polish", "portuguese", "brazilian", "romanian", "russian", "spanish", "swedish", "thai", "turkish", "ukrainian" }; private static bool FindInterfaces(ref HashSet result, string dllContent, Regex regex) { var success = false; var matches = regex.Matches(dllContent); foreach (Match match in matches) { success = true; //result += $@"{match.Value}\n"; result.Add(match.Value); } return success; } } }