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434 lines
16 KiB
434 lines
16 KiB
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Diagnostics.CodeAnalysis;
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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 System.Runtime.InteropServices;
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using System.Text.RegularExpressions;
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//using System.Windows.Forms;
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using IPA.Patcher;
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namespace IPA
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{
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public static class Program
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{
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public enum Architecture
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{
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x86,
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x64,
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Unknown
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}
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public const string FileVersion = "4.2.0.0";
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public static Version Version => Assembly.GetEntryAssembly()!.GetName().Version!;
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public static readonly ArgumentFlag ArgHelp = new("--help", "-h") { DocString = "prints this message" };
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public static readonly ArgumentFlag ArgVersion = new("--version", "-v") { DocString = "prints the version that will be installed and is currently installed" };
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public static readonly ArgumentFlag ArgWaitFor = new("--waitfor", "-w") { DocString = "waits for the specified PID to exit", ValueString = "PID" };
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public static readonly ArgumentFlag ArgForce = new("--force", "-f") { DocString = "forces the operation to go through" };
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public static readonly ArgumentFlag ArgRevert = new("--revert", "-r") { DocString = "reverts the IPA installation" };
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public static readonly ArgumentFlag ArgNoRevert = new("--no-revert", "-R") { DocString = "prevents a normal installation from first reverting" };
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public static readonly ArgumentFlag ArgNoWait = new("--nowait", "-n") { DocString = "doesn't wait for user input after the operation" };
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public static readonly ArgumentFlag ArgStart = new("--start", "-s") { DocString = "uses the specified arguments to start the game after the patch/unpatch", ValueString = "ARGUMENTS" };
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public static readonly ArgumentFlag ArgLaunch = new("--launch", "-l") { DocString = "uses positional parameters as arguments to start the game after patch/unpatch" };
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[STAThread]
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public static void Main()
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{
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Arguments.CmdLine.Flags(ArgHelp, ArgVersion, ArgWaitFor, ArgForce, ArgRevert, ArgNoWait, ArgStart, ArgLaunch, ArgNoRevert).Process();
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if (ArgHelp)
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{
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Arguments.CmdLine.PrintHelp();
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return;
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}
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if (ArgVersion)
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{
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Console.WriteLine($"BSIPA Installer version {Version}");
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}
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try
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{
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if (ArgWaitFor.HasValue && !ArgVersion)
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{ // wait for process if necessary
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var pid = int.Parse(ArgWaitFor.Value!);
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try
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{ // wait for beat saber to exit (ensures we can modify the file)
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var parent = Process.GetProcessById(pid);
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Console.WriteLine($"Waiting for parent ({pid}) process to die...");
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parent.WaitForExit();
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}
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catch (Exception)
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{
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// ignored
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}
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}
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PatchContext? context = null;
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Assembly? AssemblyLibLoader(object? source, ResolveEventArgs e)
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{
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// ReSharper disable AccessToModifiedClosure
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if (context == null || e.Name == null) return null;
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var libsDir = context.LibsPathSrc;
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// ReSharper enable AccessToModifiedClosure
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var asmName = new AssemblyName(e.Name);
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var testFile = Path.Combine(libsDir, $"{asmName.Name}.dll");
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if (File.Exists(testFile))
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return Assembly.LoadFile(testFile);
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Console.WriteLine($"Could not load library {asmName}");
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return null;
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}
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AppDomain.CurrentDomain.AssemblyResolve += AssemblyLibLoader;
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var argExeName = Arguments.CmdLine.PositionalArgs.FirstOrDefault(s => s.EndsWith(".exe", StringComparison.OrdinalIgnoreCase));
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argExeName ??= new DirectoryInfo(Directory.GetCurrentDirectory()).GetFiles()
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.FirstOrDefault(o => o.Extension == ".exe" && o.FullName != Assembly.GetEntryAssembly()!.Location)
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?.FullName;
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if (argExeName == null)
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{
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Fail("Could not locate game executable");
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}
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else
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{
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context = PatchContext.Create(argExeName);
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}
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if (ArgVersion)
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{
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var installed = GetInstalledVersion(context);
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if (installed == null)
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Console.WriteLine("No currently installed version");
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else
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Console.WriteLine($"Installed version: {installed}");
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return;
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}
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// Sanitizing
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Validate(context);
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if (ArgRevert /*|| Keyboard.IsKeyDown(Keys.LMenu)*/)
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{
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Revert(context);
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}
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else
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{
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Install(context);
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StartIfNeedBe(context);
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}
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}
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catch (Exception e)
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{
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if (ArgVersion)
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{
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Console.WriteLine("No currently installed version");
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return;
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}
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Fail(e.Message);
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}
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WaitForEnd();
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}
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private static void WaitForEnd()
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{
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if (!ArgNoWait)
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{
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Console.ForegroundColor = ConsoleColor.DarkYellow;
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Console.WriteLine("[Press any key to continue]");
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Console.ResetColor();
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_ = Console.ReadKey();
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}
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}
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private static void Validate(PatchContext c)
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{
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if (!Directory.Exists(c.DataPathDst) || !File.Exists(c.EngineFile))
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{
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Fail("Game does not seem to be a Unity project. Could not find the libraries to patch.");
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Console.WriteLine($"DataPath: {c.DataPathDst}");
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Console.WriteLine($"EngineFile: {c.EngineFile}");
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}
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}
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private static Version? GetInstalledVersion(PatchContext context)
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{
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// first, check currently installed version, if any
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if (File.Exists(Path.Combine(context.ProjectRoot, "winhttp.dll")))
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{ // installed, so check version of installed assembly
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string injectorPath = Path.Combine(context.ManagedPath, "IPA.Injector.dll");
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if (File.Exists(injectorPath))
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{
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var verInfo = FileVersionInfo.GetVersionInfo(injectorPath);
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var fileVersion = new Version(verInfo.FileVersion);
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return fileVersion;
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}
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}
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return null;
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}
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private static void Install(PatchContext context)
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{
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try
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{
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bool installFiles = true;
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var fileVersion = GetInstalledVersion(context);
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if (fileVersion != null && fileVersion > Version)
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installFiles = false;
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if (installFiles || ArgForce)
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{
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var backup = new BackupUnit(context);
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if (!ArgNoRevert)
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{
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Console.ForegroundColor = ConsoleColor.Cyan;
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Console.WriteLine("Restoring old version... ");
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if (BackupManager.HasBackup(context))
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_ = BackupManager.Restore(context);
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}
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var nativePluginFolder = Path.Combine(context.DataPathDst, "Plugins");
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bool isFlat = Directory.Exists(nativePluginFolder) &&
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Directory.GetFiles(nativePluginFolder).Any(f => f.EndsWith(".dll"));
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bool force = !BackupManager.HasBackup(context) || ArgForce;
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var architecture = DetectArchitecture(context.Executable);
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Console.ForegroundColor = ConsoleColor.DarkCyan;
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Console.WriteLine("Installing files... ");
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CopyAll(new DirectoryInfo(context.DataPathSrc), new DirectoryInfo(context.DataPathDst), force,
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backup);
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CopyAll(new DirectoryInfo(context.LibsPathSrc), new DirectoryInfo(context.LibsPathDst), force,
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backup);
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CopyAll(new DirectoryInfo(context.IPARoot), new DirectoryInfo(context.ProjectRoot), force,
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backup,
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null, false);
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}
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else
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{
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Console.ForegroundColor = ConsoleColor.Yellow;
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Console.WriteLine("Not copying files because newer version already installed");
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}
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#region Create Plugin Folder
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if (!Directory.Exists(context.PluginsFolder))
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{
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Console.ForegroundColor = ConsoleColor.DarkYellow;
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Console.WriteLine("Creating plugins folder... ");
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_ = Directory.CreateDirectory(context.PluginsFolder);
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Console.ResetColor();
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}
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#endregion
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}
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catch (Exception e)
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{
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Console.ForegroundColor = ConsoleColor.Red;
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Fail("Oops! This should not have happened.\n\n" + e);
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}
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Console.ResetColor();
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}
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private static void Revert(PatchContext context)
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{
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Console.ForegroundColor = ConsoleColor.Cyan;
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Console.Write("Restoring backup... ");
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if (BackupManager.Restore(context))
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{
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Console.WriteLine("Done!");
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}
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else
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{
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Console.WriteLine("Already vanilla or you removed your backups!");
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}
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if (File.Exists(context.ShortcutPath))
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{
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Console.WriteLine("Deleting shortcut...");
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File.Delete(context.ShortcutPath);
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}
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Console.WriteLine("");
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Console.WriteLine("--- Done reverting ---");
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Console.ResetColor();
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}
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private static void StartIfNeedBe(PatchContext context)
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{
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if (ArgStart.HasValue)
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{
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_ = Process.Start(context.Executable, ArgStart.Value);
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}
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else
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{
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var argList = Arguments.CmdLine.PositionalArgs.ToList();
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_ = argList.Remove(context.Executable);
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if (ArgLaunch)
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{
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_ = Process.Start(context.Executable, Args(argList.ToArray()));
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}
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}
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}
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public static void ClearLine()
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{
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if (IsConsole)
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{
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Console.SetCursorPosition(0, Console.CursorTop);
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int tpos = Console.CursorTop;
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Console.Write(new string(' ', Console.WindowWidth));
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Console.SetCursorPosition(0, tpos);
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}
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}
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private static IEnumerable<FileInfo> PassThroughInterceptor(FileInfo from, FileInfo to)
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{
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yield return to;
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}
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public static void CopyAll(DirectoryInfo source, DirectoryInfo target, bool aggressive, BackupUnit backup,
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Func<FileInfo, FileInfo, IEnumerable<FileInfo>>? interceptor = null, bool recurse = true)
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{
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if (interceptor == null)
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{
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interceptor = PassThroughInterceptor;
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}
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// Copy each file into the new directory.
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foreach (var fi in source.GetFiles())
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{
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foreach (var targetFile in interceptor(fi, new FileInfo(Path.Combine(target.FullName, fi.Name))))
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{
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if (targetFile.Exists && targetFile.LastWriteTimeUtc >= fi.LastWriteTimeUtc && !aggressive)
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continue;
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Debug.Assert(targetFile.Directory != null, "targetFile.Directory != null");
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targetFile.Directory?.Create();
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LineBack();
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ClearLine();
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Console.WriteLine(@"Copying {0}", targetFile.FullName);
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backup.Add(targetFile);
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_ = fi.CopyTo(targetFile.FullName, true);
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}
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}
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// Copy each subdirectory using recursion.
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if (!recurse) return;
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foreach (var diSourceSubDir in source.GetDirectories())
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{
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var nextTargetSubDir = new DirectoryInfo(Path.Combine(target.FullName, diSourceSubDir.Name));
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CopyAll(diSourceSubDir, nextTargetSubDir, aggressive, backup, interceptor);
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}
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}
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[DoesNotReturn]
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private static void Fail(string message)
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{
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Console.Error.WriteLine("ERROR: " + message);
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WaitForEnd();
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// This is needed because in Framework, this is not marked DoesNotReturn
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#pragma warning disable CS8763 // A method marked [DoesNotReturn] should not return.
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Environment.Exit(1);
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}
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#pragma warning restore CS8763 // A method marked [DoesNotReturn] should not return.
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public static string Args(params string[] args)
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=> string.Join(" ", args.Select(EncodeParameterArgument).ToArray());
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/// <summary>
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/// Encodes an argument for passing into a program
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/// </summary>
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/// <param name="original">The value_ that should be received by the program</param>
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/// <returns>The value_ which needs to be passed to the program for the original value_
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/// to come through</returns>
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public static string EncodeParameterArgument(string original)
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{
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if (string.IsNullOrEmpty(original))
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return original;
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string value = Regex.Replace(original, @"(\\*)" + "\"", @"$1\$0");
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value = Regex.Replace(value, @"^(.*\s.*?)(\\*)$", "\"$1$2$2\"");
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return value;
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}
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public static Architecture DetectArchitecture(string assembly)
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{
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using (var reader = new BinaryReader(File.OpenRead(assembly)))
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{
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var header = reader.ReadUInt16();
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if (header == 0x5a4d)
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{
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_ = reader.BaseStream.Seek(60, SeekOrigin.Begin); // this location contains the offset for the PE header
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var peOffset = reader.ReadUInt32();
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_ = reader.BaseStream.Seek(peOffset + 4, SeekOrigin.Begin);
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var machine = reader.ReadUInt16();
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if (machine == 0x8664) // IMAGE_FILE_MACHINE_AMD64
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{
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return Architecture.x64;
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}
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else if (machine == 0x014c) // IMAGE_FILE_MACHINE_I386
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{
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return Architecture.x86;
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}
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else if (machine == 0x0200) // IMAGE_FILE_MACHINE_IA64
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{
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return Architecture.x64;
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}
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else
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{
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return Architecture.Unknown;
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}
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}
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// Not a supported binary
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return Architecture.Unknown;
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}
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}
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public static void ResetLine()
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{
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if (IsConsole)
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Console.CursorLeft = 0;
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else
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Console.Write("\r");
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}
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public static void LineBack()
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{
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if (IsConsole)
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Console.CursorTop--;
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else
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Console.Write("\x1b[1A");
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}
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public static bool IsConsole => Environment.UserInteractive;
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}
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}
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