Meta - Replace WPF projects with Avalonia projects

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Robert committed 2022-03-27 11:55:26 +02:00
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<Application xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:ui="clr-namespace:Artemis.UI;assembly=Artemis.UI"
x:Class="Artemis.UI.Windows.App">
<Application.DataTemplates>
<ui:ViewLocator/>
</Application.DataTemplates>
<Application.Styles>
<StyleInclude Source="avares://Artemis.UI/Styles/Artemis.axaml" />
</Application.Styles>
</Application>
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using Artemis.Core.Services;
using Artemis.UI.Shared.Providers;
using Artemis.UI.Windows.Ninject;
using Artemis.UI.Windows.Providers;
using Artemis.UI.Windows.Providers.Input;
using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Markup.Xaml;
using Avalonia.Threading;
using Ninject;
using ReactiveUI;
namespace Artemis.UI.Windows
{
public class App : Application
{
public override void Initialize()
{
_kernel = ArtemisBootstrapper.Bootstrap(this, new WindowsModule());
RxApp.MainThreadScheduler = AvaloniaScheduler.Instance;
AvaloniaXamlLoader.Load(this);
}
public override void OnFrameworkInitializationCompleted()
{
ArtemisBootstrapper.Initialize();
if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
{
_applicationStateManager = new ApplicationStateManager(_kernel!, desktop.Args);
RegisterProviders(_kernel!);
}
}
private void RegisterProviders(StandardKernel standardKernel)
{
IInputService inputService = standardKernel.Get<IInputService>();
inputService.AddInputProvider(standardKernel.Get<WindowsInputProvider>());
}
// ReSharper disable NotAccessedField.Local
private StandardKernel? _kernel;
private ApplicationStateManager? _applicationStateManager;
// ReSharper restore NotAccessedField.Local
}
}
@@ -0,0 +1,193 @@
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Security.Principal;
using System.Threading;
using Artemis.Core;
using Artemis.Core.Services;
using Artemis.UI.Shared.Services.Interfaces;
using Artemis.UI.Windows.Utilities;
using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Threading;
using Ninject;
namespace Artemis.UI.Windows
{
public class ApplicationStateManager
{
private readonly IWindowService _windowService;
// ReSharper disable once NotAccessedField.Local - Kept in scope to ensure it does not get released
private Mutex? _artemisMutex;
public ApplicationStateManager(IKernel kernel, string[] startupArguments)
{
_windowService = kernel.Get<IWindowService>();
StartupArguments = startupArguments;
IsElevated = new WindowsPrincipal(WindowsIdentity.GetCurrent()).IsInRole(WindowsBuiltInRole.Administrator);
Core.Utilities.ShutdownRequested += UtilitiesOnShutdownRequested;
Core.Utilities.RestartRequested += UtilitiesOnRestartRequested;
// On Windows shutdown dispose the kernel just so device providers get a chance to clean up
if (Application.Current?.ApplicationLifetime is IControlledApplicationLifetime controlledApplicationLifetime)
{
controlledApplicationLifetime.Exit += (_, _) =>
{
RunForcedShutdownIfEnabled();
// Dispose plugins before disposing the kernel because plugins might access services during dispose
kernel.Get<IPluginManagementService>().Dispose();
kernel.Dispose();
};
}
// Inform the Core about elevation status
kernel.Get<ICoreService>().IsElevated = IsElevated;
}
public string[] StartupArguments { get; }
public bool IsElevated { get; }
public bool FocusExistingInstance()
{
_artemisMutex = new Mutex(true, "Artemis-3c24b502-64e6-4587-84bf-9072970e535f", out bool createdNew);
if (createdNew)
return false;
return RemoteFocus();
}
public void DisplayException(Exception e)
{
try
{
_windowService.ShowExceptionDialog("An unhandled exception occured", e);
}
catch
{
// ignored, we tried
}
}
private bool RemoteFocus()
{
// At this point we cannot read the database yet to retrieve the web server port.
// Instead use the method external applications should use as well.
if (!File.Exists(Path.Combine(Constants.DataFolder, "webserver.txt")))
{
KillOtherInstances();
return false;
}
string url = File.ReadAllText(Path.Combine(Constants.DataFolder, "webserver.txt"));
using HttpClient client = new();
try
{
CancellationTokenSource cts = new();
cts.CancelAfter(2000);
HttpResponseMessage httpResponseMessage = client.Send(new HttpRequestMessage(HttpMethod.Post, url + "remote/bring-to-foreground"), cts.Token);
httpResponseMessage.EnsureSuccessStatusCode();
return true;
}
catch (Exception)
{
KillOtherInstances();
return false;
}
}
private void KillOtherInstances()
{
// Kill everything else heh
List<Process> processes = Process.GetProcessesByName("Artemis.UI").Where(p => p.Id != Process.GetCurrentProcess().Id).ToList();
foreach (Process process in processes)
{
try
{
process.Kill(true);
}
catch (Exception)
{
// ignored
}
}
}
private void UtilitiesOnRestartRequested(object? sender, RestartEventArgs e)
{
List<string> argsList = new();
argsList.AddRange(StartupArguments);
if (e.ExtraArgs != null)
argsList.AddRange(e.ExtraArgs.Except(argsList));
string args = argsList.Any() ? "-ArgumentList " + string.Join(',', argsList) : "";
string command =
$"-Command \"& {{Start-Sleep -Milliseconds {(int) e.Delay.TotalMilliseconds}; " +
"(Get-Process 'Artemis.UI').kill(); " +
$"Start-Process -FilePath '{Constants.ExecutablePath}' -WorkingDirectory '{Constants.ApplicationFolder}' {args}}}\"";
// Elevated always runs with RunAs
if (e.Elevate)
{
ProcessStartInfo info = new()
{
Arguments = command.Replace("}\"", " -Verb RunAs}\""),
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true,
FileName = "PowerShell.exe"
};
Process.Start(info);
}
// Non-elevated runs regularly if currently not elevated
else if (!IsElevated)
{
ProcessStartInfo info = new()
{
Arguments = command,
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true,
FileName = "PowerShell.exe"
};
Process.Start(info);
}
// Non-elevated runs via a utility method is currently elevated (de-elevating is hacky)
else
{
string powerShell = Path.Combine(Environment.SystemDirectory, "WindowsPowerShell", "v1.0", "powershell.exe");
ProcessUtilities.RunAsDesktopUser(powerShell, command, true);
}
// Lets try a graceful shutdown, PowerShell will kill if needed
if (Application.Current?.ApplicationLifetime is IControlledApplicationLifetime controlledApplicationLifetime)
Dispatcher.UIThread.Post(() => controlledApplicationLifetime.Shutdown());
}
private void UtilitiesOnShutdownRequested(object? sender, EventArgs e)
{
// Use PowerShell to kill the process after 8 sec just in case
RunForcedShutdownIfEnabled();
if (Application.Current?.ApplicationLifetime is IControlledApplicationLifetime controlledApplicationLifetime)
Dispatcher.UIThread.Post(() => controlledApplicationLifetime.Shutdown());
}
private void RunForcedShutdownIfEnabled()
{
if (StartupArguments.Contains("--disable-forced-shutdown"))
return;
ProcessStartInfo info = new()
{
Arguments = "-Command \"& {Start-Sleep -s 8; (Get-Process -Id " + Process.GetCurrentProcess().Id + ").kill()}",
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true,
FileName = "PowerShell.exe"
};
Process.Start(info);
}
}
}
@@ -0,0 +1,41 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>WinExe</OutputType>
<TargetFramework>net6.0-windows</TargetFramework>
<Nullable>enable</Nullable>
<PlatformTarget>x64</PlatformTarget>
<Platforms>x64</Platforms>
</PropertyGroup>
<ItemGroup>
<AvaloniaResource Include="Assets\**" />
<None Remove=".gitignore" />
<None Remove="Assets\Cursors\aero_crosshair.cur" />
<None Remove="Assets\Cursors\aero_crosshair_minus.cur" />
<None Remove="Assets\Cursors\aero_crosshair_plus.cur" />
<None Remove="Assets\Cursors\aero_drag.cur" />
<None Remove="Assets\Cursors\aero_drag_ew.cur" />
<None Remove="Assets\Cursors\aero_fill.cur" />
<None Remove="Assets\Cursors\aero_pen_min.cur" />
<None Remove="Assets\Cursors\aero_pen_plus.cur" />
<None Remove="Assets\Cursors\aero_rotate.cur" />
<None Remove="Assets\Cursors\aero_rotate_bl.cur" />
<None Remove="Assets\Cursors\aero_rotate_br.cur" />
<None Remove="Assets\Cursors\aero_rotate_tl.cur" />
<None Remove="Assets\Cursors\aero_rotate_tr.cur" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Avalonia" Version="0.10.13" />
<PackageReference Include="Avalonia.Desktop" Version="0.10.13" />
<!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
<PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.13" />
<PackageReference Include="Avalonia.ReactiveUI" Version="0.10.13" />
<PackageReference Include="Avalonia.Win32" Version="0.10.13" />
<PackageReference Include="Microsoft.Win32" Version="2.0.1" />
<PackageReference Include="RawInput.Sharp" Version="0.0.4" />
<PackageReference Include="ReactiveUI" Version="17.1.50" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\Artemis.Core\Artemis.Core.csproj" />
<ProjectReference Include="..\Artemis.UI\Artemis.UI.csproj" />
</ItemGroup>
</Project>
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using Artemis.UI.Shared.Providers;
using Artemis.UI.Windows.Providers;
using Ninject.Modules;
namespace Artemis.UI.Windows.Ninject;
public class WindowsModule : NinjectModule
{
#region Overrides of NinjectModule
/// <inheritdoc />
public override void Load()
{
Kernel!.Bind<ICursorProvider>().To<CursorProvider>().InSingletonScope();
}
#endregion
}
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using System;
using Avalonia;
using Avalonia.ReactiveUI;
namespace Artemis.UI.Windows
{
internal class Program
{
// Initialization code. Don't use any Avalonia, third-party APIs or any
// SynchronizationContext-reliant code before AppMain is called: things aren't initialized
// yet and stuff might break.
[STAThread]
public static void Main(string[] args)
{
BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
}
// Avalonia configuration, don't remove; also used by visual designer.
public static AppBuilder BuildAvaloniaApp()
{
return AppBuilder.Configure<App>().UsePlatformDetect().LogToTrace().UseReactiveUI();
}
}
}
@@ -0,0 +1,8 @@
{
"profiles": {
"Artemis.UI.Windows": {
"commandName": "Project",
"commandLineArgs": "--force-elevation --disable-forced-shutdown --pcmr"
}
}
}
@@ -0,0 +1,22 @@
using System;
using Artemis.UI.Shared.Providers;
using Avalonia;
using Avalonia.Input;
using Avalonia.Media.Imaging;
using Avalonia.Platform;
namespace Artemis.UI.Windows.Providers;
public class CursorProvider : ICursorProvider
{
public CursorProvider(IAssetLoader assetLoader)
{
Rotate = new Cursor(new Bitmap(assetLoader.Open(new Uri("avares://Artemis.UI.Windows/Assets/Cursors/aero_rotate.png"))), new PixelPoint(21, 10));
Drag = new Cursor(new Bitmap(assetLoader.Open(new Uri("avares://Artemis.UI.Windows/Assets/Cursors/aero_drag.png"))), new PixelPoint(11, 3));
DragHorizontal = new Cursor(new Bitmap(assetLoader.Open(new Uri("avares://Artemis.UI.Windows/Assets/Cursors/aero_drag_horizontal.png"))), new PixelPoint(16, 5));
}
public Cursor Rotate { get; }
public Cursor Drag { get; }
public Cursor DragHorizontal { get; }
}
@@ -0,0 +1,26 @@
using System;
using Avalonia.Win32;
namespace Artemis.UI.Windows.Providers.Input
{
public class SpongeWindow : WindowImpl
{
#region Overrides of WindowImpl
/// <inheritdoc />
protected override IntPtr WndProc(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
{
OnWndProcCalled(new SpongeWindowEventArgs(hWnd, msg, wParam, lParam));
return base.WndProc(hWnd, msg, wParam, lParam);
}
#endregion
public event EventHandler<SpongeWindowEventArgs>? WndProcCalled;
protected virtual void OnWndProcCalled(SpongeWindowEventArgs e)
{
WndProcCalled?.Invoke(this, e);
}
}
}
@@ -0,0 +1,20 @@
using System;
namespace Artemis.UI.Windows.Providers.Input
{
public class SpongeWindowEventArgs : EventArgs
{
public IntPtr HWnd { get; }
public uint Msg { get; }
public IntPtr WParam { get; }
public IntPtr LParam { get; }
public SpongeWindowEventArgs(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
{
HWnd = hWnd;
Msg = msg;
WParam = wParam;
LParam = lParam;
}
}
}
@@ -0,0 +1,283 @@
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Timers;
using Artemis.Core;
using Artemis.Core.Services;
using Artemis.UI.Windows.Utilities;
using Linearstar.Windows.RawInput;
using Linearstar.Windows.RawInput.Native;
using Serilog;
using MouseButton = Artemis.Core.Services.MouseButton;
namespace Artemis.UI.Windows.Providers.Input
{
public class WindowsInputProvider : InputProvider
{
private const int WM_INPUT = 0x00FF;
private readonly IInputService _inputService;
private readonly ILogger _logger;
private DateTime _lastMouseUpdate;
private int _lastProcessId;
private SpongeWindow _sponge;
private readonly Timer _taskManagerTimer;
public WindowsInputProvider(ILogger logger, IInputService inputService)
{
_logger = logger;
_inputService = inputService;
_sponge = new SpongeWindow();
_sponge.WndProcCalled += SpongeOnWndProcCalled;
_taskManagerTimer = new Timer(500);
_taskManagerTimer.Elapsed += TaskManagerTimerOnElapsed;
_taskManagerTimer.Start();
RawInputDevice.RegisterDevice(HidUsageAndPage.Keyboard, RawInputDeviceFlags.InputSink, _sponge.Handle.Handle);
RawInputDevice.RegisterDevice(HidUsageAndPage.Mouse, RawInputDeviceFlags.InputSink, _sponge.Handle.Handle);
}
#region Overrides of InputProvider
/// <inheritdoc />
public override void OnKeyboardToggleStatusRequested()
{
UpdateToggleStatus();
}
#endregion
#region IDisposable
/// <inheritdoc />
protected override void Dispose(bool disposing)
{
if (disposing)
{
_sponge.Dispose();
_taskManagerTimer.Dispose();
}
base.Dispose(disposing);
}
#endregion
private void SpongeOnWndProcCalled(object? sender, SpongeWindowEventArgs message)
{
if (message.Msg != WM_INPUT)
return;
RawInputData data = RawInputData.FromHandle(message.LParam);
switch (data)
{
case RawInputMouseData mouse:
HandleMouseData(data, mouse);
break;
case RawInputKeyboardData keyboard:
HandleKeyboardData(data, keyboard);
break;
}
}
private void TaskManagerTimerOnElapsed(object sender, ElapsedEventArgs e)
{
int processId = WindowUtilities.GetActiveProcessId();
if (processId == _lastProcessId)
return;
_lastProcessId = processId;
// If task manager has focus then we can't track keys properly, release everything to avoid them getting stuck
// Same goes for Idle which is what you get when you press Ctrl+Alt+Del
Process active = Process.GetProcessById(processId);
if (active?.ProcessName == "Taskmgr" || active?.ProcessName == "Idle")
_inputService.ReleaseAll();
}
#region Keyboard
private void HandleKeyboardData(RawInputData data, RawInputKeyboardData keyboardData)
{
KeyboardKey key = InputUtilities.KeyFromVirtualKey(keyboardData.Keyboard.VirutalKey);
// Debug.WriteLine($"VK: {key} ({keyboardData.Keyboard.VirutalKey}), Flags: {keyboardData.Keyboard.Flags}, Scan code: {keyboardData.Keyboard.ScanCode}");
// Sometimes we get double hits and they resolve to None, ignore those
if (key == KeyboardKey.None)
return;
// Right alt triggers LeftCtrl with a different scan code for some reason, ignore those
if (key == KeyboardKey.LeftCtrl && keyboardData.Keyboard.ScanCode == 56)
return;
string? identifier = data.Device?.DevicePath;
// Let the core know there is an identifier so it can store new identifications if applicable
if (identifier != null)
OnIdentifierReceived(identifier, InputDeviceType.Keyboard);
ArtemisDevice? device = null;
if (identifier != null)
try
{
device = _inputService.GetDeviceByIdentifier(this, identifier, InputDeviceType.Keyboard);
}
catch (Exception e)
{
_logger.Warning(e, "Failed to retrieve input device by its identifier");
}
// Duplicate keys with different positions can be identified by the LeftKey flag (even though its set of the key that's physically on the right)
if (keyboardData.Keyboard.Flags == RawKeyboardFlags.KeyE0 || keyboardData.Keyboard.Flags == (RawKeyboardFlags.KeyE0 | RawKeyboardFlags.Up))
{
if (key == KeyboardKey.Enter)
key = KeyboardKey.NumPadEnter;
if (key == KeyboardKey.LeftCtrl)
key = KeyboardKey.RightCtrl;
if (key == KeyboardKey.LeftAlt)
key = KeyboardKey.RightAlt;
}
if (key == KeyboardKey.LeftShift && keyboardData.Keyboard.ScanCode == 54)
key = KeyboardKey.RightShift;
bool isDown = keyboardData.Keyboard.Flags != RawKeyboardFlags.Up &&
keyboardData.Keyboard.Flags != (RawKeyboardFlags.Up | RawKeyboardFlags.KeyE0) &&
keyboardData.Keyboard.Flags != (RawKeyboardFlags.Up | RawKeyboardFlags.KeyE1);
OnKeyboardDataReceived(device, key, isDown);
UpdateToggleStatus();
}
private void UpdateToggleStatus()
{
OnKeyboardToggleStatusReceived(new KeyboardToggleStatus(
InputUtilities.IsKeyToggled(KeyboardKey.NumLock),
InputUtilities.IsKeyToggled(KeyboardKey.CapsLock),
InputUtilities.IsKeyToggled(KeyboardKey.Scroll)
));
}
#endregion
#region Mouse
private int _mouseDeltaX;
private int _mouseDeltaY;
private void HandleMouseData(RawInputData data, RawInputMouseData mouseData)
{
// Only submit mouse movement 25 times per second but increment the delta
// This can create a small inaccuracy of course, but Artemis is not a shooter :')
if (mouseData.Mouse.Buttons == RawMouseButtonFlags.None)
{
_mouseDeltaX += mouseData.Mouse.LastX;
_mouseDeltaY += mouseData.Mouse.LastY;
if (DateTime.Now - _lastMouseUpdate < TimeSpan.FromMilliseconds(40))
return;
}
ArtemisDevice? device = null;
string? identifier = data.Device?.DevicePath;
if (identifier != null)
{
try
{
device = _inputService.GetDeviceByIdentifier(this, identifier, InputDeviceType.Mouse);
}
catch (Exception e)
{
_logger.Warning(e, "Failed to retrieve input device by its identifier");
}
}
// Debug.WriteLine($"Buttons: {mouseData.Mouse.Buttons}, Data: {mouseData.Mouse.ButtonData}, Flags: {mouseData.Mouse.Flags}, XY: {mouseData.Mouse.LastX},{mouseData.Mouse.LastY}");
// Movement
if (mouseData.Mouse.Buttons == RawMouseButtonFlags.None)
{
Win32Point cursorPosition = GetCursorPosition();
OnMouseMoveDataReceived(device, cursorPosition.X, cursorPosition.Y, _mouseDeltaX, _mouseDeltaY);
_mouseDeltaX = 0;
_mouseDeltaY = 0;
_lastMouseUpdate = DateTime.Now;
return;
}
// Now we know its not movement, let the core know there is an identifier so it can store new identifications if applicable
if (identifier != null)
OnIdentifierReceived(identifier, InputDeviceType.Mouse);
// Scrolling
if (mouseData.Mouse.ButtonData != 0)
{
if (mouseData.Mouse.Buttons == RawMouseButtonFlags.MouseWheel)
OnMouseScrollDataReceived(device, MouseScrollDirection.Vertical, mouseData.Mouse.ButtonData);
else if (mouseData.Mouse.Buttons == RawMouseButtonFlags.MouseHorizontalWheel)
OnMouseScrollDataReceived(device, MouseScrollDirection.Horizontal, mouseData.Mouse.ButtonData);
return;
}
// Button presses
MouseButton button = MouseButton.Left;
bool isDown = false;
// Left
if (DetermineMouseButton(mouseData, RawMouseButtonFlags.LeftButtonDown, RawMouseButtonFlags.LeftButtonUp, ref isDown))
button = MouseButton.Left;
// Middle
else if (DetermineMouseButton(mouseData, RawMouseButtonFlags.MiddleButtonDown, RawMouseButtonFlags.MiddleButtonUp, ref isDown))
button = MouseButton.Middle;
// Right
else if (DetermineMouseButton(mouseData, RawMouseButtonFlags.RightButtonDown, RawMouseButtonFlags.RightButtonUp, ref isDown))
button = MouseButton.Right;
// Button 4
else if (DetermineMouseButton(mouseData, RawMouseButtonFlags.Button4Down, RawMouseButtonFlags.Button4Up, ref isDown))
button = MouseButton.Button4;
else if (DetermineMouseButton(mouseData, RawMouseButtonFlags.Button5Down, RawMouseButtonFlags.Button5Up, ref isDown))
button = MouseButton.Button5;
OnMouseButtonDataReceived(device, button, isDown);
}
private bool DetermineMouseButton(RawInputMouseData data, RawMouseButtonFlags downButton, RawMouseButtonFlags upButton, ref bool isDown)
{
if (data.Mouse.Buttons == downButton || data.Mouse.Buttons == upButton)
{
isDown = data.Mouse.Buttons == downButton;
return true;
}
isDown = false;
return false;
}
#endregion
#region Native
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool GetCursorPos(ref Win32Point pt);
[StructLayout(LayoutKind.Sequential)]
private struct Win32Point
{
public readonly int X;
public readonly int Y;
}
private static Win32Point GetCursorPosition()
{
Win32Point w32Mouse = new();
GetCursorPos(ref w32Mouse);
return w32Mouse;
}
#endregion
}
}
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using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.InteropServices;
namespace Artemis.UI.Windows.Utilities
{
public static class ProcessUtilities
{
public static Process? RunAsDesktopUser(string fileName, string arguments, bool hideWindow)
{
if (string.IsNullOrWhiteSpace(fileName))
throw new ArgumentException("Value cannot be null or whitespace.", nameof(fileName));
// To start process as shell user you will need to carry out these steps:
// 1. Enable the SeIncreaseQuotaPrivilege in your current token
// 2. Get an HWND representing the desktop shell (GetShellWindow)
// 3. Get the Process ID(PID) of the process associated with that window(GetWindowThreadProcessId)
// 4. Open that process(OpenProcess)
// 5. Get the access token from that process (OpenProcessToken)
// 6. Make a primary token with that token(DuplicateTokenEx)
// 7. Start the new process with that primary token(CreateProcessWithTokenW)
IntPtr hProcessToken = IntPtr.Zero;
// Enable SeIncreaseQuotaPrivilege in this process. (This won't work if current process is not elevated.)
try
{
IntPtr process = GetCurrentProcess();
if (!OpenProcessToken(process, 0x0020, ref hProcessToken))
return null;
TOKEN_PRIVILEGES tkp = new()
{
PrivilegeCount = 1,
Privileges = new LUID_AND_ATTRIBUTES[1]
};
if (!LookupPrivilegeValue(null, "SeIncreaseQuotaPrivilege", ref tkp.Privileges[0].Luid))
return null;
tkp.Privileges[0].Attributes = 0x00000002;
if (!AdjustTokenPrivileges(hProcessToken, false, ref tkp, 0, IntPtr.Zero, IntPtr.Zero))
return null;
}
finally
{
CloseHandle(hProcessToken);
}
// Get an HWND representing the desktop shell.
// CAVEATS: This will fail if the shell is not running (crashed or terminated), or the default shell has been
// replaced with a custom shell. This also won't return what you probably want if Explorer has been terminated and
// restarted elevated.
IntPtr hwnd = GetShellWindow();
if (hwnd == IntPtr.Zero)
return null;
IntPtr hShellProcess = IntPtr.Zero;
IntPtr hShellProcessToken = IntPtr.Zero;
IntPtr hPrimaryToken = IntPtr.Zero;
try
{
// Get the PID of the desktop shell process.
uint dwPID;
if (GetWindowThreadProcessId(hwnd, out dwPID) == 0)
return null;
// Open the desktop shell process in order to query it (get the token)
hShellProcess = OpenProcess(ProcessAccessFlags.QueryInformation, false, dwPID);
if (hShellProcess == IntPtr.Zero)
return null;
// Get the process token of the desktop shell.
if (!OpenProcessToken(hShellProcess, 0x0002, ref hShellProcessToken))
return null;
uint dwTokenRights = 395U;
// Duplicate the shell's process token to get a primary token.
// Based on experimentation, this is the minimal set of rights required for CreateProcessWithTokenW (contrary to current documentation).
if (!DuplicateTokenEx(hShellProcessToken, dwTokenRights, IntPtr.Zero, SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation, TOKEN_TYPE.TokenPrimary, out hPrimaryToken))
return null;
// Start the target process with the new token.
STARTUPINFO si = new();
if (hideWindow)
{
si.dwFlags = 0x00000001;
si.wShowWindow = 0;
}
PROCESS_INFORMATION pi = new();
if (!CreateProcessWithTokenW(hPrimaryToken, 0, fileName, $"\"{fileName}\" {arguments}", 0, IntPtr.Zero, Path.GetDirectoryName(fileName)!, ref si, out pi))
{
// Get the last error and display it.
int error = Marshal.GetLastWin32Error();
return null;
}
return Process.GetProcessById(pi.dwProcessId);
}
finally
{
CloseHandle(hShellProcessToken);
CloseHandle(hPrimaryToken);
CloseHandle(hShellProcess);
}
}
#region Interop
private struct TOKEN_PRIVILEGES
{
public uint PrivilegeCount;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)]
public LUID_AND_ATTRIBUTES[] Privileges;
}
[StructLayout(LayoutKind.Sequential, Pack = 4)]
private struct LUID_AND_ATTRIBUTES
{
public LUID Luid;
public uint Attributes;
}
[StructLayout(LayoutKind.Sequential)]
private struct LUID
{
public readonly uint LowPart;
public readonly int HighPart;
}
[Flags]
private enum ProcessAccessFlags : uint
{
All = 0x001F0FFF,
Terminate = 0x00000001,
CreateThread = 0x00000002,
VirtualMemoryOperation = 0x00000008,
VirtualMemoryRead = 0x00000010,
VirtualMemoryWrite = 0x00000020,
DuplicateHandle = 0x00000040,
CreateProcess = 0x000000080,
SetQuota = 0x00000100,
SetInformation = 0x00000200,
QueryInformation = 0x00000400,
QueryLimitedInformation = 0x00001000,
Synchronize = 0x00100000
}
private enum SECURITY_IMPERSONATION_LEVEL
{
SecurityAnonymous,
SecurityIdentification,
SecurityImpersonation,
SecurityDelegation
}
private enum TOKEN_TYPE
{
TokenPrimary = 1,
TokenImpersonation
}
[StructLayout(LayoutKind.Sequential)]
private struct PROCESS_INFORMATION
{
public readonly IntPtr hProcess;
public readonly IntPtr hThread;
public readonly int dwProcessId;
public readonly int dwThreadId;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
private struct STARTUPINFO
{
public readonly int cb;
public readonly string lpReserved;
public readonly string lpDesktop;
public readonly string lpTitle;
public readonly int dwX;
public readonly int dwY;
public readonly int dwXSize;
public readonly int dwYSize;
public readonly int dwXCountChars;
public readonly int dwYCountChars;
public readonly int dwFillAttribute;
public int dwFlags;
public short wShowWindow;
public readonly short cbReserved2;
public readonly IntPtr lpReserved2;
public readonly IntPtr hStdInput;
public readonly IntPtr hStdOutput;
public readonly IntPtr hStdError;
}
[DllImport("kernel32.dll", ExactSpelling = true)]
private static extern IntPtr GetCurrentProcess();
[DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
private static extern bool OpenProcessToken(IntPtr h, int acc, ref IntPtr phtok);
[DllImport("advapi32.dll", SetLastError = true)]
private static extern bool LookupPrivilegeValue(string? host, string name, ref LUID pluid);
[DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
private static extern bool AdjustTokenPrivileges(IntPtr htok, bool disall, ref TOKEN_PRIVILEGES newst, int len, IntPtr prev, IntPtr relen);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool CloseHandle(IntPtr hObject);
[DllImport("user32.dll")]
private static extern IntPtr GetShellWindow();
[DllImport("user32.dll", SetLastError = true)]
private static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);
[DllImport("kernel32.dll", SetLastError = true)]
private static extern IntPtr OpenProcess(ProcessAccessFlags processAccess, bool bInheritHandle, uint processId);
[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern bool DuplicateTokenEx(IntPtr hExistingToken, uint dwDesiredAccess, IntPtr lpTokenAttributes, SECURITY_IMPERSONATION_LEVEL impersonationLevel, TOKEN_TYPE tokenType,
out IntPtr phNewToken);
[DllImport("advapi32", SetLastError = true, CharSet = CharSet.Unicode)]
private static extern bool CreateProcessWithTokenW(IntPtr hToken, int dwLogonFlags, string lpApplicationName, string lpCommandLine, int dwCreationFlags, IntPtr lpEnvironment,
string lpCurrentDirectory, [In] ref STARTUPINFO lpStartupInfo, out PROCESS_INFORMATION lpProcessInformation);
#endregion
}
}
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using System;
using System.Runtime.InteropServices;
namespace Artemis.UI.Windows.Utilities
{
public static class WindowUtilities
{
public static int GetActiveProcessId()
{
// Get foreground window handle
IntPtr hWnd = GetForegroundWindow();
GetWindowThreadProcessId(hWnd, out uint processId);
return (int) processId;
}
[DllImport("user32.dll")]
private static extern IntPtr GetForegroundWindow();
[DllImport("user32.dll")]
private static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);
}
}
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