No longer require administrator rights for normal usage.

Request elevation only in necesarry parts of the code.
Request elevation on update.
After update, launch application without elevation.

Daybreak/Configuration/ProjectConfiguration.cs

@@ -7,6 +7,7 @@
 using Daybreak.Services.IconRetrieve;
 using Daybreak.Services.Logging;
 using Daybreak.Services.Mutex;
+using Daybreak.Services.Privilege;
 using Daybreak.Services.Runtime;
 using Daybreak.Services.Screenshots;
 using Daybreak.Services.Updater;
@@ -37,6 +38,7 @@ public static void RegisterServices(IServiceProducer serviceProducer)
             serviceProducer.RegisterSingleton<IRuntimeStore, RuntimeStore>();
             serviceProducer.RegisterSingleton<IBuildTemplateManager, BuildTemplateManager>();
             serviceProducer.RegisterSingleton<IIconRetriever, IconRetriever>();
+            serviceProducer.RegisterSingleton<IPrivilegeManager, PrivilegeManager>();
         }
         public static void RegisterLifetimeServices(IApplicationLifetimeProducer applicationLifetimeProducer)
         {
@@ -60,6 +62,7 @@ public static void RegisterViews(IViewProducer viewProducer)
             viewProducer.RegisterView<ExecutablesView>();
             viewProducer.RegisterView<BuildTemplateView>();
             viewProducer.RegisterView<BuildsListView>();
+            viewProducer.RegisterView<RequestElevationView>();
         }
     }
 }

Daybreak/Daybreak.csproj

@@ -9,8 +9,7 @@
     <CopyLocalLockFileAssemblies>false</CopyLocalLockFileAssemblies>
     <LangVersion>preview</LangVersion>
     <ApplicationIcon>Daybreak.ico</ApplicationIcon>
-    <Version>0.7.7</Version>
-    <ApplicationManifest>app.manifest</ApplicationManifest>
+    <Version>0.8.0</Version>
   </PropertyGroup>
 
   <ItemGroup>

Daybreak/Models/ElevationRequest.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace Daybreak.Models
+{
+    public sealed class ElevationRequest
+    {
+        public object DataContext { get; set; }
+        public Type View { get; set; }
+        public string MessageToUser { get; set; }
+    }
+}

Daybreak/Services/ApplicationLauncher/ApplicationLauncher.cs

@@ -3,7 +3,9 @@
 using Daybreak.Services.Credentials;
 using Daybreak.Services.Logging;
 using Daybreak.Services.Mutex;
+using Daybreak.Services.Privilege;
 using Daybreak.Utils;
+using Daybreak.Views;
 using Microsoft.Win32;
 using Pepa.Wpf.Utilities;
 using System;
@@ -15,6 +17,7 @@
 using System.Security;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows;
 
 namespace Daybreak.Services.ApplicationLauncher
 {
@@ -30,6 +33,7 @@ public class ApplicationLauncher : IApplicationLauncher
         private readonly ICredentialManager credentialManager;
         private readonly IMutexHandler mutexHandler;
         private readonly ILogger logger;
+        private readonly IPrivilegeManager privilegeManager;
 
         public bool IsTexmodRunning => TexModProcessDetected();
         public bool IsGuildwarsRunning => this.GuildwarsProcessDetected();
@@ -39,12 +43,14 @@ public ApplicationLauncher(
             IConfigurationManager configurationManager,
             ICredentialManager credentialManager,
             IMutexHandler mutexHandler,
-            ILogger logger)
+            ILogger logger,
+            IPrivilegeManager privilegeManager)
         {
             this.logger = logger.ThrowIfNull(nameof(logger));
             this.mutexHandler = mutexHandler.ThrowIfNull(nameof(mutexHandler));
             this.credentialManager = credentialManager.ThrowIfNull(nameof(credentialManager));
             this.configurationManager = configurationManager.ThrowIfNull(nameof(configurationManager));
+            this.privilegeManager = privilegeManager.ThrowIfNull(nameof(privilegeManager));
         }
 
         public async Task LaunchGuildwars()
@@ -56,6 +62,12 @@ public async Task LaunchGuildwars()
                 {
                     if (configuration.ExperimentalFeatures.MultiLaunchSupport is true)
                     {
+                        if (this.privilegeManager.AdminPrivileges is false)
+                        {
+                            this.privilegeManager.RequestAdminPrivileges<MainView>("You need administrator rights in order to start using multi-launch");
+                            return;
+                        }
+
                         ClearGwLocks();
                     }
 
@@ -103,6 +115,33 @@ public Task LaunchTexmod()
             });
         }
 
+        public void RestartDaybreakAsAdmin()
+        {
+            this.logger.LogInformation("Restarting daybreak with admin rights");
+            var processName = Process.GetCurrentProcess()?.MainModule?.FileName;
+            if (processName.IsNullOrWhiteSpace() || File.Exists(processName) is false)
+            {
+                throw new InvalidOperationException("Unable to find executable. Aborting restart");
+            }
+
+            var process = new Process()
+            {
+                StartInfo = new()
+                {
+                    Verb = "runas",
+                    WorkingDirectory = Environment.CurrentDirectory,
+                    UseShellExecute = true,
+                    FileName = processName
+                }
+            };
+            if (process.Start() is false)
+            {
+                throw new InvalidOperationException($"Unable to start {processName} as admin");
+            }
+
+            Application.Current.Shutdown();
+        }
+
         private void LaunchGuildwarsProcess(string email, Models.SecureString password, string character)
         {
             var executable = this.configurationManager.GetConfiguration().GuildwarsPaths.Where(path => path.Default).FirstOrDefault();

Daybreak/Services/ApplicationLauncher/IApplicationLauncher.cs

@@ -10,5 +10,6 @@ public interface IApplicationLauncher
         Task LaunchGuildwars();
         Task LaunchGuildwarsToolbox();
         Task LaunchTexmod();
+        void RestartDaybreakAsAdmin();
     }
 }

Daybreak/Services/Navigation/IViewManager.cs

@@ -1,4 +1,5 @@
-using System.Windows.Controls;
+using System;
+using System.Windows.Controls;
 
 namespace Daybreak.Services.ViewManagement
 {
@@ -11,5 +12,9 @@ void ShowView<T>()
 
         void ShowView<T>(object dataContext)
             where T : UserControl;
+
+        void ShowView(Type type);
+
+        void ShowView(Type type, object dataContext);
     }
 }

Daybreak/Services/Navigation/ViewManager.cs

@@ -1,6 +1,7 @@
 using Slim;
 using System;
 using System.Extensions;
+using System.Windows;
 using System.Windows.Controls;
 
 namespace Daybreak.Services.ViewManagement
@@ -32,17 +33,33 @@ public void RegisterView<T>() where T : UserControl
 
         public void ShowView<T>() where T : UserControl
         {
-            var view = this.serviceManager.GetService<T>();
-            this.container.Children.Clear();
-            this.container.Children.Add(view);
+            this.ShowViewInner(typeof(T), null);
         }
 
         public void ShowView<T>(object dataContext) where T : UserControl
         {
-            var view = this.serviceManager.GetService<T>();
-            this.container.Children.Clear();
-            this.container.Children.Add(view);
-            view.DataContext = dataContext;
+            this.ShowViewInner(typeof(T), dataContext);
+        }
+
+        public void ShowView(Type type)
+        {
+            this.ShowViewInner(type, null);
+        }
+
+        public void ShowView(Type type, object dataContext)
+        {
+            this.ShowViewInner(type, dataContext);
+        }
+
+        private void ShowViewInner(Type viewType, object dataContext)
+        {
+            Application.Current.Dispatcher.Invoke(() =>
+            {
+                var view = this.serviceManager.GetService(viewType).As<UserControl>();
+                this.container.Children.Clear();
+                this.container.Children.Add(view);
+                view.DataContext = dataContext;
+            });
         }
     }
 }

Daybreak/Services/Privilege/IPrivilegeManager.cs

@@ -0,0 +1,12 @@
+using System.Windows.Controls;
+
+namespace Daybreak.Services.Privilege
+{
+    public interface IPrivilegeManager
+    {
+        bool AdminPrivileges { get; }
+
+        void RequestAdminPrivileges<TCancelView>(string messageToUser, object dataContextOfCancelView = null)
+            where TCancelView : UserControl;
+    }
+}

Daybreak/Services/Privilege/PrivilegeManager.cs

@@ -0,0 +1,34 @@
+using Daybreak.Models;
+using Daybreak.Services.Logging;
+using Daybreak.Services.ViewManagement;
+using Daybreak.Utils;
+using Daybreak.Views;
+using System.Extensions;
+using System.Security.Principal;
+using System.Windows.Controls;
+
+namespace Daybreak.Services.Privilege
+{
+    public sealed class PrivilegeManager : IPrivilegeManager
+    {
+        public bool AdminPrivileges => new WindowsPrincipal(WindowsIdentity.GetCurrent()).IsInRole(WindowsBuiltInRole.Administrator);
+
+        private readonly IViewManager viewManager;
+        private readonly ILogger logger;
+
+        public PrivilegeManager(
+            IViewManager viewManager,
+            ILogger logger)
+        {
+            this.logger = logger.ThrowIfNull(nameof(logger));
+            this.viewManager = viewManager.ThrowIfNull(nameof(viewManager));
+        }
+
+        public void RequestAdminPrivileges<TCancelView>(string messageToUser, object dataContextOfCancelView = null)
+            where TCancelView : UserControl
+        {
+            this.logger.LogInformation("Requesting admin privileges");
+            this.viewManager.ShowView<RequestElevationView>(new ElevationRequest { View = typeof(TCancelView), DataContext = dataContextOfCancelView, MessageToUser = messageToUser });
+        }
+    }
+}

Daybreak/Services/Updater/ApplicationUpdater.cs

@@ -21,6 +21,7 @@ namespace Daybreak.Services.Updater
 {
     public sealed class ApplicationUpdater : IApplicationUpdater
     {
+        private const string LaunchActionName = "Launch_Daybreak";
         private const string UpdateDesiredKey = "UpdateDesired";
         private const string ExecutionPolicyKey = "ExecutionPolicy";
         private const string UpdatedKey = "Updating";
@@ -32,13 +33,20 @@ public sealed class ApplicationUpdater : IApplicationUpdater
         private const string OutputPathTag = "{OUTPUTPATH}";
         private const string ExecutionPolicyTag = "{EXECUTIONPOLICY}";
         private const string ProcessIdTag = "{PROCESSID}";
+        private const string ExecutableNameTag = "{EXECUTABLE}";
+        private const string WorkingDirectoryTag = "{WORKINGDIRECTORY}";
         private const string Url = "https://github.com/AlexMacocian/Daybreak/releases/latest";
         private const string DownloadUrl = $"https://github.com/AlexMacocian/Daybreak/releases/download/v{VersionTag}/Daybreakv{VersionTag}.zip";
         private const string GetExecutionPolicyCommand = "Get-ExecutionPolicy -Scope CurrentUser";
         private const string SetExecutionPolicyCommand = $"Set-ExecutionPolicy {ExecutionPolicyTag} -Scope CurrentUser";
         private const string WaitCommand = $"Wait-Process -Id {ProcessIdTag}";
         private const string ExtractCommandTemplate = $"Expand-Archive -Path '{InputFileTag}' -DestinationPath '{OutputPathTag}' -Force";
-        private const string RunClientCommand = @".\Daybreak.exe";
+        private const string PrepareScheduledAction = $"$action = New-ScheduledTaskAction -Execute {ExecutableNameTag} -WorkingDirectory {WorkingDirectoryTag}";
+        private const string PrepareTriggerForAction = $"$trigger = New-ScheduledTaskTrigger -Once -At (Get-Date)";
+        private const string RegisterScheduledAction = $"Register-ScheduledTask -Action $action -Trigger $trigger -TaskName {LaunchActionName} | Out-Null";
+        private const string LaunchScheduledAction = $"Start-ScheduledTask -TaskName {LaunchActionName}";
+        private const string SleepOneSecond = $"Start-Sleep -s 1";
+        private const string UnregisterScheduledAction = $"Unregister-ScheduledTask -TaskName {LaunchActionName} -Confirm:$false";
         private const string RemoveTempFile = $"Remove-item {TempFile}";
         private const string RemovePs1 = $"Remove-item {ExtractAndRunPs1}";
 
@@ -251,19 +259,23 @@ private void LaunchExtractor()
                     .Replace(InputFileTag, Path.GetFullPath(TempFile))
                     .Replace(OutputPathTag, Directory.GetCurrentDirectory()),
                 RemoveTempFile,
+                PrepareScheduledAction
+                    .Replace(ExecutableNameTag, Process.GetCurrentProcess()?.MainModule?.FileName)
+                    .Replace(WorkingDirectoryTag, Directory.GetCurrentDirectory()),
+                PrepareTriggerForAction,
+                RegisterScheduledAction,
+                LaunchScheduledAction,
+                SleepOneSecond,
+                UnregisterScheduledAction,
                 RemovePs1,
-                RunClientCommand
             });
             var process = new Process()
             {
                 StartInfo = new ProcessStartInfo
                 {
                     FileName = "powershell.exe",
                     Arguments = $@"{Directory.GetCurrentDirectory()}\{ExtractAndRunPs1}",
-                    UseShellExecute = false,
-                    RedirectStandardError = true,
-                    RedirectStandardInput = true,
-                    RedirectStandardOutput = true,
+                    UseShellExecute = true,
                     WindowStyle = ProcessWindowStyle.Maximized,
                     WorkingDirectory = Directory.GetCurrentDirectory(),
                     Verb = "runas"

Daybreak/Views/AskUpdateView.xaml.cs

@@ -1,4 +1,5 @@
 using Daybreak.Services.Logging;
+using Daybreak.Services.Privilege;
 using Daybreak.Services.Runtime;
 using Daybreak.Services.Updater;
 using Daybreak.Services.ViewManagement;
@@ -18,18 +19,32 @@ public partial class AskUpdateView : UserControl
         private readonly ILogger logger;
         private readonly IViewManager viewManager;
         private readonly IRuntimeStore runtimeStore;
+        private readonly IPrivilegeManager privilegeManager;
 
         public AskUpdateView(
             ILogger logger,
             IViewManager viewManager,
-            IRuntimeStore runtimeStore)
+            IRuntimeStore runtimeStore,
+            IPrivilegeManager privilegeManager)
         {
             this.logger = logger.ThrowIfNull(nameof(logger));
             this.viewManager = viewManager.ThrowIfNull(nameof(viewManager));
             this.runtimeStore = runtimeStore.ThrowIfNull(nameof(runtimeStore));
+            this.privilegeManager = privilegeManager.ThrowIfNull(nameof(privilegeManager));
             this.InitializeComponent();
         }
 
+        private bool CheckIfAdmin()
+        {
+            if (this.privilegeManager.AdminPrivileges is false)
+            {
+                this.privilegeManager.RequestAdminPrivileges<MainView>("Application needs to be in administrator mode in order to update.");
+                return false;
+            }
+
+            return true;
+        }
+
         private void NoButton_Clicked(object sender, System.EventArgs e)
         {
             this.logger.LogInformation("User declined update");
@@ -41,6 +56,11 @@ private void YesButton_Clicked(object sender, System.EventArgs e)
         {
             this.logger.LogInformation("User accepted update");
             this.runtimeStore.StoreValue(UpdateDesiredKey, true);
+            if (this.CheckIfAdmin() is false)
+            {
+                return;
+            }
+
             this.viewManager.ShowView<UpdateView>();
         }
     }

Daybreak/Views/RequestElevationView.xaml

@@ -0,0 +1,28 @@
+<UserControl x:Class="Daybreak.Views.RequestElevationView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:Daybreak.Views"
+             mc:Ignorable="d" 
+             xmlns:controls="clr-namespace:Daybreak.Controls"
+             d:DesignHeight="450" d:DesignWidth="800">
+    <Grid VerticalAlignment="Center" HorizontalAlignment="Center" Background="White" MinHeight="200" MinWidth="400">
+        <StackPanel VerticalAlignment="Center" Orientation="Vertical">
+            <TextBlock Text="{Binding MessageToUser}" Margin="10, 0, 10, 0" Foreground="Black"
+                       TextWrapping="Wrap" HorizontalAlignment="Center" FontSize="16"></TextBlock>
+            <TextBlock Text="Do you want to restart the application with administrator rights?" HorizontalAlignment="Center"
+                       FontSize="16" Foreground="Black" Margin="10, 0, 10, 10"></TextBlock>
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="*"></ColumnDefinition>
+                    <ColumnDefinition Width="*"></ColumnDefinition>
+                </Grid.ColumnDefinitions>
+                <controls:OpaqueButton Text="Yes" BackgroundOpacity="0.2" TransparentBackground="Gray" HorizontalAlignment="Center" Margin="10" Width="50" Height="25"
+                                   Clicked="YesButton_Clicked" Foreground="Black" FontSize="16"></controls:OpaqueButton>
+                <controls:OpaqueButton Text="No" BackgroundOpacity="0.2" TransparentBackground="Gray" HorizontalAlignment="Center" Margin="10" Width="50" Height="25"
+                                   Clicked="NoButton_Clicked" Foreground="Black" Grid.Column="1" FontSize="16"></controls:OpaqueButton>
+            </Grid>
+        </StackPanel>
+    </Grid>
+</UserControl>