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177 lines
6.1 KiB
177 lines
6.1 KiB
#nullable enable
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using IPA.AntiMalware;
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using IPA.Config;
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using IPA.Utilities;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using static IPA.Logging.Logger;
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#if NET3
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using Net3_Proxy;
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using Path = Net3_Proxy.Path;
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using File = Net3_Proxy.File;
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using Directory = Net3_Proxy.Directory;
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using Array = Net3_Proxy.Array;
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#endif
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namespace IPA.Injector
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{
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internal static class Updates
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{
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private const string DeleteFileName = "$$delete";
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public static void InstallPendingUpdates()
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{
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InstallPendingSelfUpdates();
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InstallPendingModUpdates();
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}
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private static void InstallPendingSelfUpdates()
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{
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var path = Path.Combine(UnityGame.InstallPath, "IPA.exe");
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if (!File.Exists(path)) return;
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var scanResult = AntiMalwareEngine.Engine.ScanFile(new FileInfo(path));
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if (scanResult == ScanResult.Detected)
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{
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updater.Error("Scan of BSIPA installer found malware; not updating");
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return;
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}
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if (!SelfConfig.AntiMalware_.RunPartialThreatCode_ && scanResult is not ScanResult.KnownSafe and not ScanResult.NotDetected)
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{
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updater.Error("Scan of BSIPA installer returned partial threat; not updating. To allow this, enable AntiMalware.RunPartialThreatCode in the config.");
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return;
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}
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var ipaVersion = new Version(FileVersionInfo.GetVersionInfo(path).FileVersion);
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var selfVersion = Assembly.GetExecutingAssembly().GetName().Version;
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if (ipaVersion > selfVersion)
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{
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_ = Process.Start(new ProcessStartInfo
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{
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FileName = path,
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Arguments = $"\"-nw={Process.GetCurrentProcess().Id},s={string.Join(" ", Environment.GetCommandLineArgs().Skip(1).StrJP()).Replace("\\", "\\\\").Replace(",", "\\,")}\"",
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UseShellExecute = false
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});
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updater.Info("Updating BSIPA...");
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Environment.Exit(0);
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}
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}
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private static void InstallPendingModUpdates()
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{
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var pendingDir = Path.Combine(UnityGame.InstallPath, "IPA", "Pending");
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if (!Directory.Exists(pendingDir)) return;
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// there are pending updates, install
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updater.Info("Installing pending updates");
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var toDelete = Array.Empty<string>();
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var delFn = Path.Combine(pendingDir, DeleteFileName);
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if (File.Exists(delFn))
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{
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toDelete = File.ReadAllLines(delFn);
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File.Delete(delFn);
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}
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foreach (var file in toDelete)
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{
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try
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{
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File.Delete(Path.Combine(UnityGame.InstallPath, file));
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}
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catch (Exception e)
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{
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updater.Error("While trying to install pending updates: Error deleting file marked for deletion");
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updater.Error(e);
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}
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}
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#region Self Protection
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string path;
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if (Directory.Exists(path = Path.Combine(pendingDir, "IPA")))
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{
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var dirs = new Stack<string>(20);
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dirs.Push(path);
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while (dirs.Count > 0)
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{
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var currentDir = dirs.Pop();
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string[] subDirs;
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string[] files;
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try
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{
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subDirs = Directory.GetDirectories(currentDir);
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files = Directory.GetFiles(currentDir);
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}
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catch (UnauthorizedAccessException e)
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{
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updater.Error(e);
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continue;
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}
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catch (DirectoryNotFoundException e)
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{
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updater.Error(e);
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continue;
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}
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foreach (var file in files)
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{
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try
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{
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if (!Utils.GetRelativePath(file, path).Split(Path.PathSeparator).Contains("Pending"))
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File.Delete(file);
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}
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catch (FileNotFoundException e)
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{
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updater.Error(e);
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}
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}
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foreach (var str in subDirs)
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dirs.Push(str);
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}
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}
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if (File.Exists(path = Path.Combine(pendingDir, "IPA.exe")))
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{
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File.Delete(path);
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if (File.Exists(path = Path.Combine(pendingDir, "Mono.Cecil.dll")))
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File.Delete(path);
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}
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#endregion
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try
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{
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Utils.CopyAll(new DirectoryInfo(pendingDir), new DirectoryInfo(UnityGame.InstallPath), onCopyException: (e, f) =>
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{
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updater.Error($"Error copying file {Utils.GetRelativePath(f.FullName, pendingDir)} from Pending:");
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updater.Error(e);
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return true;
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});
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}
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catch (Exception e)
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{
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updater.Error("While trying to install pending updates: Error copying files in");
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updater.Error(e);
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}
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try
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{
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Directory.Delete(pendingDir, true);
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}
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catch (Exception e)
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{
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updater.Error("Something went wrong performing an operation that should never fail!");
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updater.Error(e);
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}
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}
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}
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}
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