GoldbergGUI/GoldbergGUI.Core/Services/GoldbergService.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
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using System.Linq;
using System.Net.Http;
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using System.Text.RegularExpressions;
using System.Threading.Tasks;
using GoldbergGUI.Core.Models;
using GoldbergGUI.Core.Utils;
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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<GoldbergGlobalConfiguration> Initialize(IMvxLog log);
public Task<GoldbergConfiguration> Read(string path);
public Task Save(string path, GoldbergConfiguration configuration);
public Task<GoldbergGlobalConfiguration> GetGlobalSettings();
public Task SetGlobalSettings(GoldbergGlobalConfiguration configuration);
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public bool GoldbergApplied(string path);
public Task GenerateInterfacesFile(string filePath);
public List<string> Languages();
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}
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// ReSharper disable once UnusedType.Global
public class GoldbergService : IGoldbergService
{
private IMvxLog _log;
private const string DefaultAccountName = "Mr_Goldberg";
private const long DefaultSteamId = 76561197960287930;
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private const string DefaultLanguage = "english";
private const string GoldbergUrl = "https://mr_goldberg.gitlab.io/goldberg_emulator/";
private readonly string _goldbergZipPath = Path.Combine(Directory.GetCurrentDirectory(), "goldberg.zip");
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private readonly string _goldbergPath = Path.Combine(Directory.GetCurrentDirectory(), "goldberg");
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private static readonly string GlobalSettingsPath =
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
"Goldberg SteamEmu Saves");
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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 string _customBroadcastIpsPath = Path.Combine(GlobalSettingsPath, "settings/custom_broadcasts.txt");
// ReSharper disable StringLiteralTypo
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private readonly List<string> _interfaceNames = new List<string>
{
"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<GoldbergGlobalConfiguration> Initialize(IMvxLog log)
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{
_log = log;
var download = await Download().ConfigureAwait(false);
if (download) await Extract(_goldbergZipPath).ConfigureAwait(false);
return await GetGlobalSettings().ConfigureAwait(false);
}
public async Task<GoldbergGlobalConfiguration> GetGlobalSettings()
{
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_log.Info("Getting global settings...");
var accountName = DefaultAccountName;
var steamId = DefaultSteamId;
var language = DefaultLanguage;
var customBroadcastIps = new List<string>();
if (!File.Exists(GlobalSettingsPath)) Directory.CreateDirectory(Path.Join(GlobalSettingsPath, "settings"));
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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)
{
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_log.Error("Invalid User Steam ID!");
}
if (File.Exists(_languagePath)) language = File.ReadLines(_languagePath).First().Trim();
if (File.Exists(_customBroadcastIpsPath))
customBroadcastIps.AddRange(
File.ReadLines(_customBroadcastIpsPath).Select(line => line.Trim()));
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}).ConfigureAwait(false);
return new GoldbergGlobalConfiguration
{
AccountName = accountName,
UserSteamId = steamId,
Language = language,
CustomBroadcastIps = customBroadcastIps
};
}
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public async Task SetGlobalSettings(GoldbergGlobalConfiguration c)
{
var accountName = c.AccountName;
var userSteamId = c.UserSteamId;
var language = c.Language;
var customBroadcastIps = c.CustomBroadcastIps;
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_log.Info("Setting global settings...");
// Account Name
if (!string.IsNullOrEmpty(accountName))
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{
_log.Info("Setting account name...");
if (!File.Exists(_accountNamePath))
await File.Create(_accountNamePath).DisposeAsync().ConfigureAwait(false);
await File.WriteAllTextAsync(_accountNamePath, accountName).ConfigureAwait(false);
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}
else
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{
_log.Info("Invalid account name! Skipping...");
if (!File.Exists(_accountNamePath))
await File.Create(_accountNamePath).DisposeAsync().ConfigureAwait(false);
await File.WriteAllTextAsync(_accountNamePath, DefaultAccountName).ConfigureAwait(false);
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}
// User SteamID
if (userSteamId >= 76561197960265729 && userSteamId <= 76561202255233023)
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{
_log.Info("Setting user Steam ID...");
if (!File.Exists(_userSteamIdPath))
await File.Create(_userSteamIdPath).DisposeAsync().ConfigureAwait(false);
await File.WriteAllTextAsync(_userSteamIdPath, userSteamId.ToString()).ConfigureAwait(false);
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}
else
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{
_log.Info("Invalid user Steam ID! Skipping...");
if (!File.Exists(_userSteamIdPath))
await File.Create(_userSteamIdPath).DisposeAsync().ConfigureAwait(false);
await File.WriteAllTextAsync(_userSteamIdPath, DefaultSteamId.ToString()).ConfigureAwait(false);
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}
// Language
if (!string.IsNullOrEmpty(language))
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{
_log.Info("Setting language...");
if (!File.Exists(_languagePath))
await File.Create(_languagePath).DisposeAsync().ConfigureAwait(false);
await File.WriteAllTextAsync(_languagePath, language).ConfigureAwait(false);
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}
else
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{
_log.Info("Invalid language! Skipping...");
if (!File.Exists(_languagePath))
await File.Create(_languagePath).DisposeAsync().ConfigureAwait(false);
await File.WriteAllTextAsync(_languagePath, DefaultLanguage).ConfigureAwait(false);
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}
// Custom Broadcast IPs
if (customBroadcastIps != null && customBroadcastIps.Count > 0)
{
_log.Info("Setting custom broadcast IPs...");
var result =
customBroadcastIps.Aggregate("", (current, address) => $"{current}{address}\n");
if (!File.Exists(_customBroadcastIpsPath))
await File.Create(_customBroadcastIpsPath).DisposeAsync().ConfigureAwait(false);
await File.WriteAllTextAsync(_customBroadcastIpsPath, result).ConfigureAwait(false);
}
else
{
_log.Info("Empty list of custom broadcast IPs! Skipping...");
await Task.Run(() => File.Delete(_customBroadcastIpsPath)).ConfigureAwait(false);
}
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}
// If first time, call GenerateInterfaces
// else try to read config
public async Task<GoldbergConfiguration> Read(string path)
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{
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_log.Info("Reading configuration...");
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var appId = -1;
var dlcList = new List<SteamApp>();
var steamAppidTxt = Path.Combine(path, "steam_appid.txt");
if (File.Exists(steamAppidTxt))
{
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_log.Info("Getting AppID...");
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await Task.Run(() => int.TryParse(File.ReadLines(steamAppidTxt).First().Trim(), out appId))
.ConfigureAwait(false);
}
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else
{
_log.Info(@"""steam_appid.txt"" missing! Skipping...");
}
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var dlcTxt = Path.Combine(path, "steam_settings", "DLC.txt");
if (File.Exists(dlcTxt))
{
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_log.Info("Getting DLCs...");
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var readAllLinesAsync = await File.ReadAllLinesAsync(dlcTxt).ConfigureAwait(false);
var expression = new Regex(@"(?<id>.*) *= *(?<name>.*)");
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// ReSharper disable once LoopCanBeConvertedToQuery
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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
});
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}
}
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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"))
};
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}
// 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)
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{
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_log.Info("Saving configuration...");
// DLL setup
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_log.Info("Running DLL setup...");
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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
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_log.Info("Saving settings...");
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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"));
}
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}
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, $"{name}.dll");
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if (!File.Exists(originalDll))
File.Move(steamApiDll, originalDll);
else
{
File.Move(steamApiDll, guiBackup, true);
File.SetAttributes(guiBackup, FileAttributes.Hidden);
}
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File.Copy(goldbergDll, steamApiDll);
}
public bool GoldbergApplied(string path)
{
var steamSettingsDirExists = Directory.Exists(Path.Combine(path, "steam_settings"));
var steamAppIdTxtExists = File.Exists(Path.Combine(path, "steam_appid.txt"));
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_log.Debug($"Goldberg applied? {(steamSettingsDirExists && steamAppIdTxtExists).ToString()}");
return steamSettingsDirExists && steamAppIdTxtExists;
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}
private async Task<bool> Download()
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{
// Get webpage
// Get job id, compare with local if exists, save it if false or missing
// Get latest archive if mismatch, call Extract
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_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\/(?<jobid>.*)\/artifacts\/download");
var jobIdPath = Path.Combine(_goldbergPath, "job_id");
var match = regex.Match(body);
if (File.Exists(jobIdPath))
{
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_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($"job_id: local {jobIdLocal}; remote {jobIdRemote}");
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if (jobIdLocal.Equals(jobIdRemote))
{
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_log.Info("Latest Goldberg emulator is already available! Skipping...");
return false;
}
}
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_log.Info("Starting download...");
await StartDownload(match.Value).ConfigureAwait(false);
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return true;
}
private async Task StartDownload(string downloadUrl)
{
var client = new HttpClient();
_log.Debug(downloadUrl);
await using var fileStream = File.OpenWrite(_goldbergZipPath);
//client.GetAsync(downloadUrl, HttpCompletionOption.ResponseHeadersRead)
var task = client.GetFileAsync(downloadUrl, fileStream).ConfigureAwait(false);
await task;
if (task.GetAwaiter().IsCompleted)
{
_log.Info("Download finished!");
}
}
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// Empty subfolder ./goldberg/
// Extract all from archive to subfolder ./goldberg/
private async Task Extract(string archivePath)
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{
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_log.Debug("Start extraction...");
await Task.Run(() =>
{
Directory.Delete(_goldbergPath, true);
ZipFile.ExtractToDirectory(archivePath, _goldbergPath);
}).ConfigureAwait(false);
_log.Debug("Extraction done!");
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}
// https://gitlab.com/Mr_Goldberg/goldberg_emulator/-/blob/master/generate_interfaces_file.cpp
// (maybe) check DLL date first
public async Task GenerateInterfacesFile(string filePath)
{
_log.Debug($"GenerateInterfacesFile {filePath}");
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//throw new NotImplementedException();
// Get DLL content
var result = new HashSet<string>();
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"));
}
}
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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<string> Languages() => new List<string>
{
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"
};
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private static bool FindInterfaces(ref HashSet<string> 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);
}
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return success;
}
}
}