Merge branch 'development'

src/Artemis.Core/Services/Interfaces/IPluginManagementService.cs

@@ -12,6 +12,11 @@ namespace Artemis.Core.Services;
 /// </summary>
 public interface IPluginManagementService : IArtemisService, IDisposable
 {
+    /// <summary>
+    ///     Gets a list containing additional directories in which plugins are located, used while loading plugins.
+    /// </summary>
+    List<DirectoryInfo> AdditionalPluginDirectories { get; }
+    
     /// <summary>
     ///     Indicates whether or not plugins are currently being loaded
     /// </summary>

src/Artemis.Core/Services/PluginManagementService.cs

@@ -78,8 +78,11 @@ internal class PluginManagementService : IPluginManagementService
             File.Create(Path.Combine(pluginDirectory.FullName, "artemis.lock")).Close();
     }
 
+    public List<DirectoryInfo> AdditionalPluginDirectories { get; } = new();
+
     public bool LoadingPlugins { get; private set; }
 
+
     #region Built in plugins
 
     public void CopyBuiltInPlugins()
@@ -276,6 +279,18 @@ internal class PluginManagementService : IPluginManagementService
             }
         }
 
+        foreach (DirectoryInfo directory in AdditionalPluginDirectories)
+        {
+            try
+            {
+                LoadPlugin(directory);
+            }
+            catch (Exception e)
+            {
+                _logger.Warning(new ArtemisPluginException($"Failed to load plugin at {directory}", e), "Plugin exception");
+            }
+        }
+
         // ReSharper disable InconsistentlySynchronizedField - It's read-only, idc
         _logger.Debug("Loaded {count} plugin(s)", _plugins.Count);
 
@@ -597,7 +612,7 @@ internal class PluginManagementService : IPluginManagementService
         using StreamReader reader = new(metaDataFileEntry.Open());
         PluginInfo pluginInfo = CoreJson.DeserializeObject<PluginInfo>(reader.ReadToEnd())!;
         if (!pluginInfo.Main.EndsWith(".dll"))
-            throw new ArtemisPluginException("Main entry in plugin.json must point to a .dll file" + fileName);
+            throw new ArtemisPluginException("Main entry in plugin.json must point to a .dll file");
 
         Plugin? existing = _plugins.FirstOrDefault(p => p.Guid == pluginInfo.Guid);
         if (existing != null)

src/Artemis.UI/Artemis.UI.csproj

@@ -35,4 +35,15 @@
     <ItemGroup>
         <AvaloniaResource Include="Assets\**" />
     </ItemGroup>
+
+    <ItemGroup>
+      <Compile Update="Screens\Workshop\Plugin\Dialogs\DeviceProviderPickerDialogView.axaml.cs">
+        <DependentUpon>DeviceProviderPickerDialogView.axaml</DependentUpon>
+        <SubType>Code</SubType>
+      </Compile>
+      <Compile Update="Screens\Workshop\Plugin\Dialogs\DeviceSelectionDialogView.axaml.cs">
+        <DependentUpon>DeviceSelectionDialogView.axaml</DependentUpon>
+        <SubType>Code</SubType>
+      </Compile>
+    </ItemGroup>
 </Project>

src/Artemis.UI/ArtemisBootstrapper.cs

@@ -13,6 +13,7 @@ using Artemis.UI.Shared.Services;
 using Artemis.VisualScripting.DryIoc;
 using Artemis.WebClient.Updating.DryIoc;
 using Artemis.WebClient.Workshop.DryIoc;
+using Artemis.WebClient.Workshop.Services;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;

src/Artemis.UI/Routing/Routes.cs

@@ -14,6 +14,7 @@ using Artemis.UI.Screens.Workshop.Library;
 using Artemis.UI.Screens.Workshop.Library.Tabs;
 using Artemis.UI.Screens.Workshop.Profile;
 using Artemis.UI.Shared.Routing;
+using PluginDetailsViewModel = Artemis.UI.Screens.Workshop.Plugins.PluginDetailsViewModel;
 
 namespace Artemis.UI.Routing;
 
@@ -32,6 +33,8 @@ public static class Routes
                 {
                     Children = new List<IRouterRegistration>
                     {
+                        new RouteRegistration<PluginListViewModel>("plugins/{page:int}"),
+                        new RouteRegistration<PluginDetailsViewModel>("plugins/details/{entryId:long}"),
                         new RouteRegistration<ProfileListViewModel>("profiles/{page:int}"),
                         new RouteRegistration<ProfileDetailsViewModel>("profiles/details/{entryId:long}"),
                         new RouteRegistration<LayoutListViewModel>("layouts/{page:int}"),

src/Artemis.UI/Screens/Plugins/Dialogs/PluginPrerequisitesInstallDialogView.axaml

@@ -24,7 +24,7 @@
             </Style>
         </Styles>
     </UserControl.Styles>
-    <Grid ColumnDefinitions="250,*">
+    <Grid ColumnDefinitions="350,*" Width="800">
         <Grid.RowDefinitions>
             <RowDefinition MinHeight="200" />
         </Grid.RowDefinitions>
@@ -36,7 +36,7 @@
                  IsHitTestVisible="False">
             <ListBox.ItemTemplate>
                 <DataTemplate DataType="{x:Type prerequisites:PluginPrerequisiteViewModel}">
-                    <Grid ColumnDefinitions="Auto,*" Margin="0 6">
+                    <Grid ColumnDefinitions="Auto,*" Margin="-6 0 20 0">
                         <Border Grid.Row="0" Grid.Column="0" Classes="status-border" IsVisible="{CompiledBinding !IsMet}" Background="#ff3838">
                             <avalonia:MaterialIcon Kind="Close" />
                         </Border>
@@ -45,8 +45,8 @@
                         </Border>
 
                         <StackPanel Margin="8 0 0 0" Grid.Column="1" VerticalAlignment="Stretch">
-                            <TextBlock FontWeight="Bold" Text="{CompiledBinding PluginPrerequisite.Name}" TextWrapping="Wrap" />
+                            <TextBlock Text="{CompiledBinding PluginPrerequisite.Name}" TextWrapping="Wrap" />
-                            <TextBlock Text="{CompiledBinding PluginPrerequisite.Description}" TextWrapping="Wrap" />
+                            <TextBlock Text="{CompiledBinding PluginPrerequisite.Description}" TextWrapping="Wrap" Classes="subtitle"/>
                         </StackPanel>
                     </Grid>
                 </DataTemplate>
@@ -74,12 +74,14 @@
                     Grid.Column="1"
                     Margin="10 0"
                     IsVisible="{CompiledBinding ShowFailed, Mode=OneWay}">
-            <StackPanel Orientation="Horizontal">
+            <TextBlock TextWrapping="Wrap" >
-                <TextBlock>Installing</TextBlock>
+                <Run>Installing</Run>
-                <TextBlock Text="{CompiledBinding ActivePrerequisite.PluginPrerequisite.Name, Mode=OneWay}" FontWeight="SemiBold" TextWrapping="Wrap" />
+                <Run Text="{CompiledBinding ActivePrerequisite.PluginPrerequisite.Name, Mode=OneWay}" FontWeight="SemiBold" />
-                <TextBlock>failed.</TextBlock>
+                <Run>failed.</Run>
-            </StackPanel>
+                <LineBreak/>
-            <TextBlock TextWrapping="Wrap">You may try again to see if that helps, otherwise install the prerequisite manually or contact the plugin developer.</TextBlock>
+                <LineBreak/>
+                <Run>You may try again to see if that helps, otherwise install the prerequisite manually or contact the plugin developer.</Run>
+            </TextBlock>
         </StackPanel>
     </Grid>
 </UserControl>

src/Artemis.UI/Screens/Plugins/Dialogs/PluginPrerequisitesInstallDialogViewModel.cs

@@ -30,16 +30,21 @@ public partial class PluginPrerequisitesInstallDialogViewModel : ContentDialogVi
     [Notify] private bool _showIntro = true;
     [Notify] private bool _showProgress;
 
+    private bool _finished;
+
     public PluginPrerequisitesInstallDialogViewModel(List<IPrerequisitesSubject> subjects, IPrerequisitesVmFactory prerequisitesVmFactory)
     {
         Prerequisites = new ObservableCollection<PluginPrerequisiteViewModel>();
         foreach (PluginPrerequisite prerequisite in subjects.SelectMany(prerequisitesSubject => prerequisitesSubject.PlatformPrerequisites))
             Prerequisites.Add(prerequisitesVmFactory.PluginPrerequisiteViewModel(prerequisite, false));
-        Install = ReactiveCommand.CreateFromTask(ExecuteInstall, this.WhenAnyValue(vm => vm.CanInstall));
+        Install = ReactiveCommand.Create(ExecuteInstall, this.WhenAnyValue(vm => vm.CanInstall));
 
         Dispatcher.UIThread.Post(() => CanInstall = Prerequisites.Any(p => !p.PluginPrerequisite.IsMet()), DispatcherPriority.Background);
         this.WhenActivated(d =>
         {
+            if (ContentDialog != null)
+                ContentDialog.Closing += ContentDialogOnClosing;
+
             Disposable.Create(() =>
             {
                 _tokenSource?.Cancel();
@@ -51,11 +56,12 @@ public partial class PluginPrerequisitesInstallDialogViewModel : ContentDialogVi
 
     public ReactiveCommand<Unit, Unit> Install { get; }
     public ObservableCollection<PluginPrerequisiteViewModel> Prerequisites { get; }
-    
+
     public static async Task Show(IWindowService windowService, List<IPrerequisitesSubject> subjects)
     {
         await windowService.CreateContentDialog()
             .WithTitle("Plugin prerequisites")
+            .WithFullScreen()
             .WithViewModel(out PluginPrerequisitesInstallDialogViewModel vm, subjects)
             .WithCloseButtonText("Cancel")
             .HavingPrimaryButton(b => b.WithText("Install").WithCommand(vm.Install))
@@ -63,12 +69,8 @@ public partial class PluginPrerequisitesInstallDialogViewModel : ContentDialogVi
             .ShowAsync();
     }
 
-    private async Task ExecuteInstall()
+    private void ExecuteInstall()
     {
-        Deferral? deferral = null;
-        if (ContentDialog != null)
-            ContentDialog.Closing += (_, args) => deferral = args.GetDeferral();
-
         CanInstall = false;
         ShowFailed = false;
         ShowIntro = false;
@@ -77,6 +79,11 @@ public partial class PluginPrerequisitesInstallDialogViewModel : ContentDialogVi
         _tokenSource?.Dispose();
         _tokenSource = new CancellationTokenSource();
 
+        Dispatcher.UIThread.InvokeAsync(async () => await InstallPrerequisites(_tokenSource.Token));
+    }
+
+    private async Task InstallPrerequisites(CancellationToken cancellationToken)
+    {
         try
         {
             foreach (PluginPrerequisiteViewModel pluginPrerequisiteViewModel in Prerequisites)
@@ -86,7 +93,9 @@ public partial class PluginPrerequisitesInstallDialogViewModel : ContentDialogVi
                     continue;
 
                 ActivePrerequisite = pluginPrerequisiteViewModel;
-                await ActivePrerequisite.Install(_tokenSource.Token);
+                await ActivePrerequisite.Install(cancellationToken);
+
+                cancellationToken.ThrowIfCancellationRequested();
 
                 if (!ActivePrerequisite.IsMet)
                 {
@@ -98,19 +107,33 @@ public partial class PluginPrerequisitesInstallDialogViewModel : ContentDialogVi
 
                 // Wait after the task finished for the user to process what happened
                 if (pluginPrerequisiteViewModel != Prerequisites.Last())
-                    await Task.Delay(250);
+                    await Task.Delay(250, cancellationToken);
                 else
-                    await Task.Delay(1000);
+                    await Task.Delay(1000, cancellationToken);
             }
 
-            if (deferral != null)
+            _finished = true;
-                deferral.Complete();
+            ContentDialog?.Hide(ContentDialogResult.Primary);
-            else
-                ContentDialog?.Hide(ContentDialogResult.Primary);
         }
-        catch (OperationCanceledException)
+        catch (TaskCanceledException e)
         {
             // ignored
         }
     }
+
+    private void ContentDialogOnClosing(ContentDialog sender, ContentDialogClosingEventArgs args)
+    {
+        // Cancel button is allowed to close
+        if (args.Result == ContentDialogResult.None)
+        {
+            _tokenSource?.Cancel();
+            _tokenSource?.Dispose();
+            _tokenSource = null;
+        }
+        else
+        {
+            // Keep dialog open until either ready
+            args.Cancel = !_finished;
+        }
+    }
 }

src/Artemis.UI/Screens/Plugins/Dialogs/PluginPrerequisitesUninstallDialogView.axaml

@@ -24,7 +24,7 @@
             </Style>
         </Styles>
     </UserControl.Styles>
-    <Grid ColumnDefinitions="250,*">
+    <Grid ColumnDefinitions="350,*" Width="800">
         <Grid.RowDefinitions>
             <RowDefinition MinHeight="200" />
         </Grid.RowDefinitions>
@@ -37,8 +37,8 @@
             <ListBox.ItemTemplate>
                 <DataTemplate DataType="{x:Type prerequisites:PluginPrerequisiteViewModel}">
                     <StackPanel Margin="0 6" VerticalAlignment="Stretch">
-                        <TextBlock FontWeight="Bold" Text="{CompiledBinding PluginPrerequisite.Name}" TextWrapping="Wrap" />
+                        <TextBlock Text="{CompiledBinding PluginPrerequisite.Name}" TextWrapping="Wrap" />
-                        <TextBlock Text="{CompiledBinding PluginPrerequisite.Description}" TextWrapping="Wrap" />
+                        <TextBlock Text="{CompiledBinding PluginPrerequisite.Description}" TextWrapping="Wrap" Classes="subtitle"/>
                     </StackPanel>
                 </DataTemplate>
             </ListBox.ItemTemplate>

src/Artemis.UI/Screens/Plugins/Dialogs/PluginPrerequisitesUninstallDialogViewModel.cs

@@ -64,6 +64,7 @@ public partial class PluginPrerequisitesUninstallDialogViewModel : ContentDialog
     public static async Task Show(IWindowService windowService, List<IPrerequisitesSubject> subjects, string cancelLabel = "Cancel")
     {
         await windowService.CreateContentDialog()
+            .WithFullScreen()
             .WithTitle("Plugin prerequisites")
             .WithViewModel(out PluginPrerequisitesUninstallDialogViewModel vm, subjects)
             .WithCloseButtonText(cancelLabel)

src/Artemis.UI/Screens/Plugins/PluginView.axaml

@@ -19,7 +19,10 @@
                                 Grid.RowSpan="3"
                                 VerticalAlignment="Top" />
 
-            <TextBlock Grid.Column="1" Grid.Row="0" Classes="h5 no-margin" Text="{CompiledBinding Plugin.Info.Name}" />
+            <TextBlock Grid.Column="1" Grid.Row="0" Classes="no-margin">
+                <Run Classes="h5" Text="{CompiledBinding Plugin.Info.Name}"/>
+                <Run Classes="subtitle" Text="{CompiledBinding Plugin.Info.Version}"/>
+            </TextBlock>
 
             <ItemsControl Grid.Column="2" Grid.Row="0" IsVisible="{CompiledBinding Platforms.Count}" ItemsSource="{CompiledBinding Platforms}" HorizontalAlignment="Right">
                 <ItemsControl.ItemsPanel>

src/Artemis.UI/Screens/Plugins/PluginViewModel.cs

@@ -11,6 +11,8 @@ using Artemis.UI.Exceptions;
 using Artemis.UI.Shared;
 using Artemis.UI.Shared.Services;
 using Artemis.UI.Shared.Services.Builders;
+using Artemis.WebClient.Workshop.Models;
+using Artemis.WebClient.Workshop.Services;
 using Avalonia.Controls;
 using Avalonia.Threading;
 using Material.Icons;
@@ -24,6 +26,7 @@ public partial class PluginViewModel : ActivatableViewModelBase
     private readonly ICoreService _coreService;
     private readonly INotificationService _notificationService;
     private readonly IPluginManagementService _pluginManagementService;
+    private readonly IWorkshopService _workshopService;
     private readonly IWindowService _windowService;
     private Window? _settingsWindow;
     [Notify] private bool _canInstallPrerequisites;
@@ -36,13 +39,15 @@ public partial class PluginViewModel : ActivatableViewModelBase
         ICoreService coreService,
         IWindowService windowService,
         INotificationService notificationService,
-        IPluginManagementService pluginManagementService)
+        IPluginManagementService pluginManagementService,
+        IWorkshopService workshopService)
     {
         _plugin = plugin;
         _coreService = coreService;
         _windowService = windowService;
         _notificationService = notificationService;
         _pluginManagementService = pluginManagementService;
+        _workshopService = workshopService;
 
         Platforms = new ObservableCollection<PluginPlatformViewModel>();
         if (Plugin.Info.Platforms != null)
@@ -90,7 +95,7 @@ public partial class PluginViewModel : ActivatableViewModelBase
     public ObservableCollection<PluginPlatformViewModel> Platforms { get; }
     public string Type => Plugin.GetType().BaseType?.Name ?? Plugin.GetType().Name;
     public bool IsEnabled => Plugin.IsEnabled;
-    
+
     public async Task UpdateEnabled(bool enable)
     {
         if (Enabling)
@@ -209,7 +214,7 @@ public partial class PluginViewModel : ActivatableViewModelBase
             await PluginPrerequisitesInstallDialogViewModel.Show(_windowService, subjects);
     }
 
-    private async Task ExecuteRemovePrerequisites(bool forPluginRemoval = false)
+    public async Task ExecuteRemovePrerequisites(bool forPluginRemoval = false)
     {
         List<IPrerequisitesSubject> subjects = new() {Plugin.Info};
         subjects.AddRange(!forPluginRemoval ? Plugin.Features.Where(f => f.AlwaysEnabled) : Plugin.Features);
@@ -244,9 +249,6 @@ public partial class PluginViewModel : ActivatableViewModelBase
             return;
 
         // If the plugin or any of its features has uninstall actions, offer to run these
-        List<IPrerequisitesSubject> subjects = new() {Plugin.Info};
-        subjects.AddRange(Plugin.Features);
-        if (subjects.Any(s => s.PlatformPrerequisites.Any(p => p.UninstallActions.Any())))
             await ExecuteRemovePrerequisites(true);
 
         try
@@ -259,6 +261,10 @@ public partial class PluginViewModel : ActivatableViewModelBase
             throw;
         }
 
+        InstalledEntry? entry = _workshopService.GetInstalledEntries().FirstOrDefault(e => e.TryGetMetadata("PluginId", out Guid pluginId) && pluginId == Plugin.Guid);
+        if (entry != null)
+            _workshopService.RemoveInstalledEntry(entry);
+        
         _notificationService.CreateNotification().WithTitle("Removed plugin.").Show();
     }
 
@@ -273,7 +279,7 @@ public partial class PluginViewModel : ActivatableViewModelBase
             _windowService.ShowExceptionDialog("Welp, we couldn\'t open the logs folder for you", e);
         }
     }
-    
+
     private async Task ShowUpdateEnableFailure(bool enable, Exception e)
     {
         string action = enable ? "enable" : "disable";

src/Artemis.UI/Screens/Root/RootViewModel.cs

@@ -13,6 +13,7 @@ using Artemis.UI.Shared;
 using Artemis.UI.Shared.Routing;
 using Artemis.UI.Shared.Services;
 using Artemis.UI.Shared.Services.MainWindow;
+using Artemis.WebClient.Workshop.Services;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
@@ -41,6 +42,7 @@ public class RootViewModel : RoutableHostScreen<RoutableScreen>, IMainWindowProv
         IMainWindowService mainWindowService,
         IDebugService debugService,
         IUpdateService updateService,
+        IWorkshopService workshopService,
         SidebarViewModel sidebarViewModel,
         DefaultTitleBarViewModel defaultTitleBarViewModel)
     {
@@ -64,7 +66,7 @@ public class RootViewModel : RoutableHostScreen<RoutableScreen>, IMainWindowProv
         OpenScreen = ReactiveCommand.Create<string?>(ExecuteOpenScreen);
         OpenDebugger = ReactiveCommand.CreateFromTask(ExecuteOpenDebugger);
         Exit = ReactiveCommand.CreateFromTask(ExecuteExit);
-        
+
         _titleBarViewModel = this.WhenAnyValue(vm => vm.Screen)
             .Select(s => s as IMainScreenViewModel)
             .Select(s => s?.WhenAnyValue(svm => svm.TitleBarViewModel) ?? Observable.Never<ViewModelBase>())
@@ -74,10 +76,15 @@ public class RootViewModel : RoutableHostScreen<RoutableScreen>, IMainWindowProv
 
         Task.Run(() =>
         {
+            // Before doing heavy lifting, initialize the update service which may prompt a restart
             if (_updateService.Initialize())
                 return;
 
+            // Workshop service goes first so it has a chance to clean up old workshop entries and introduce new ones
+            workshopService.Initialize();
+            // Core is initialized now that everything is ready to go
             coreService.Initialize();
+
             registrationService.RegisterBuiltInDataModelDisplays();
             registrationService.RegisterBuiltInDataModelInputs();
             registrationService.RegisterBuiltInPropertyEditors();
@@ -135,7 +142,7 @@ public class RootViewModel : RoutableHostScreen<RoutableScreen>, IMainWindowProv
     {
         if (path != null)
             _router.ClearPreviousWindowRoute();
-        
+
         // The window will open on the UI thread at some point, respond to that to select the chosen screen
         MainWindowOpened += OnEventHandler;
         OpenMainWindow();
@@ -184,7 +191,7 @@ public class RootViewModel : RoutableHostScreen<RoutableScreen>, IMainWindowProv
         _lifeTime.MainWindow.Activate();
         if (_lifeTime.MainWindow.WindowState == WindowState.Minimized)
             _lifeTime.MainWindow.WindowState = WindowState.Normal;
-        
+
         OnMainWindowOpened();
     }
 

src/Artemis.UI/Screens/Settings/Account/CreatePersonalAccessTokenView.axaml

@@ -0,0 +1,19 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:account="clr-namespace:Artemis.UI.Screens.Settings.Account"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="Artemis.UI.Screens.Settings.Account.CreatePersonalAccessTokenView"
+             x:DataType="account:CreatePersonalAccessTokenViewModel">
+    <StackPanel Spacing="5" Width="300">
+        <Label>Description</Label>
+        <TextBox Text="{CompiledBinding Description}"/>
+        <Label>Expiration date</Label>
+        <CalendarDatePicker SelectedDate="{CompiledBinding ExpirationDate}" 
+                            DisplayDateStart="{CompiledBinding StartDate}"
+                            DisplayDateEnd="{CompiledBinding EndDate}"
+                            HorizontalAlignment="Stretch"/>
+        
+    </StackPanel>
+</UserControl>

src/Artemis.UI/Screens/Settings/Account/CreatePersonalAccessTokenView.axaml.cs

@@ -0,0 +1,17 @@
+using Artemis.UI.Shared.Extensions;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+using Avalonia.ReactiveUI;
+using ReactiveUI;
+
+namespace Artemis.UI.Screens.Settings.Account;
+
+public partial class CreatePersonalAccessTokenView : ReactiveUserControl<CreatePersonalAccessTokenViewModel>
+{
+    public CreatePersonalAccessTokenView()
+    {
+        InitializeComponent();
+        this.WhenActivated(_ => this.ClearAllDataValidationErrors());
+    }
+}

src/Artemis.UI/Screens/Settings/Account/CreatePersonalAccessTokenViewModel.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Reactive;
+using System.Threading;
+using System.Threading.Tasks;
+using Artemis.UI.Shared;
+using Artemis.UI.Shared.Services;
+using Artemis.WebClient.Workshop.Services;
+using PropertyChanged.SourceGenerator;
+using ReactiveUI;
+using ReactiveUI.Validation.Extensions;
+
+namespace Artemis.UI.Screens.Settings.Account;
+
+public partial class CreatePersonalAccessTokenViewModel : ContentDialogViewModelBase
+{
+    private readonly IUserManagementService _userManagementService;
+    private readonly IWindowService _windowService;
+    [Notify] private string _description = string.Empty;
+    [Notify] private DateTime _expirationDate = DateTime.UtcNow.Date.AddDays(181);
+
+    public CreatePersonalAccessTokenViewModel(IUserManagementService userManagementService, IWindowService windowService)
+    {
+        _userManagementService = userManagementService;
+        _windowService = windowService;
+        Submit = ReactiveCommand.CreateFromTask(ExecuteSubmit, ValidationContext.Valid);
+
+        this.ValidationRule(vm => vm.Description, e => e != null, "You must specify a description");
+        this.ValidationRule(vm => vm.Description, e => e == null || e.Length >= 5, "You must specify a description of at least 5 characters");
+        this.ValidationRule(vm => vm.Description, e => e == null || e.Length <= 150, "You must specify a description of less than 150 characters");
+        this.ValidationRule(vm => vm.ExpirationDate, e => e >= DateTime.UtcNow.Date.AddDays(1), "Expiration date must be at least 24 hours from now");
+    }
+
+    public DateTime StartDate => DateTime.UtcNow.Date.AddDays(1);
+    public DateTime EndDate => DateTime.UtcNow.Date.AddDays(365);
+    public ReactiveCommand<Unit, Unit> Submit { get; }
+
+    private async Task ExecuteSubmit(CancellationToken cts)
+    {
+        string result = await _userManagementService.CreatePersonAccessToken(Description, ExpirationDate, cts);
+        await _windowService.CreateContentDialog()
+            .WithTitle("Personal Access Token")
+            .WithViewModel(out PersonalAccessTokenViewModel _, result)
+            .WithFullScreen()
+            .ShowAsync();
+    }
+}

src/Artemis.UI/Screens/Settings/Account/PersonalAccessTokenView.axaml

@@ -0,0 +1,19 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:account="clr-namespace:Artemis.UI.Screens.Settings.Account"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="Artemis.UI.Screens.Settings.Account.PersonalAccessTokenView"
+             x:DataType="account:PersonalAccessTokenViewModel">
+    <StackPanel>
+        <TextBlock>
+            Your token has been created, please copy it now as you cannot view it again later.
+        </TextBlock>
+        <TextBox Margin="0 10 0 0"
+                 VerticalAlignment="Top"
+                 TextWrapping="Wrap"
+                 IsReadOnly="True"
+                 Text="{CompiledBinding Token, Mode=OneWay}" />
+    </StackPanel>
+</UserControl>

src/Artemis.UI/Screens/Settings/Account/PersonalAccessTokenView.axaml.cs

@@ -0,0 +1,14 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+using Avalonia.ReactiveUI;
+
+namespace Artemis.UI.Screens.Settings.Account;
+
+public partial class PersonalAccessTokenView : ReactiveUserControl<PersonalAccessTokenViewModel>
+{
+    public PersonalAccessTokenView()
+    {
+        InitializeComponent();
+    }
+}

src/Artemis.UI/Screens/Settings/Account/PersonalAccessTokenViewModel.cs

@@ -0,0 +1,13 @@
+using Artemis.UI.Shared;
+
+namespace Artemis.UI.Screens.Settings.Account;
+
+public class PersonalAccessTokenViewModel : ContentDialogViewModelBase
+{
+    public string Token { get; }
+
+    public PersonalAccessTokenViewModel(string token)
+    {
+        Token = token;
+    }
+}

src/Artemis.UI/Screens/Settings/Tabs/AccountTabView.axaml

@@ -5,10 +5,15 @@
              xmlns:settings="clr-namespace:Artemis.UI.Screens.Settings"
              xmlns:asyncImageLoader="clr-namespace:AsyncImageLoader;assembly=AsyncImageLoader.Avalonia"
              xmlns:loaders="clr-namespace:AsyncImageLoader.Loaders;assembly=AsyncImageLoader.Avalonia"
-             xmlns:controls="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
+             xmlns:avalonia="clr-namespace:Material.Icons.Avalonia;assembly=Material.Icons.Avalonia"
+             xmlns:models="clr-namespace:Artemis.WebClient.Workshop.Models;assembly=Artemis.WebClient.Workshop"
+             xmlns:converters="clr-namespace:Artemis.UI.Converters"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="800"
              x:Class="Artemis.UI.Screens.Settings.AccountTabView"
              x:DataType="settings:AccountTabViewModel">
+    <UserControl.Resources>
+        <converters:DateTimeConverter x:Key="DateTimeConverter" />
+    </UserControl.Resources>
     <Panel>
         <StackPanel IsVisible="{CompiledBinding !IsLoggedIn^}" Margin="0 50 0 0">
             <StackPanel.Styles>
@@ -46,7 +51,7 @@
                             </asyncImageLoader:AdvancedImage.Loader>
                         </asyncImageLoader:AdvancedImage>
                     </Border>
-                    <TextBlock Grid.Row="0" Grid.Column="1" Padding="0" VerticalAlignment="Bottom" Text="{CompiledBinding Name}" Classes="h3 no-margin"/>
+                    <TextBlock Grid.Row="0" Grid.Column="1" Padding="0" VerticalAlignment="Bottom" Text="{CompiledBinding Name}" Classes="h3 no-margin" />
                     <TextBlock Classes="subtitle" Grid.Column="1" Grid.Row="1" Padding="0" VerticalAlignment="Top" Text="{CompiledBinding Email}" />
                 </Grid>
 
@@ -66,8 +71,8 @@
                                 <Button Width="150" Content="Change password" Command="{CompiledBinding ChangePasswordAddress}" />
                             </StackPanel>
                         </Grid>
-                        <Border Classes="card-separator"  IsVisible="{CompiledBinding CanChangePassword}"/>
+                        <Border Classes="card-separator" IsVisible="{CompiledBinding CanChangePassword}" />
-                        
+
                         <Grid RowDefinitions="*,*" ColumnDefinitions="*,Auto">
                             <StackPanel Grid.Column="0" VerticalAlignment="Center">
                                 <TextBlock>
@@ -99,16 +104,55 @@
                     </StackPanel>
                 </Border>
 
-                <!-- <TextBlock Classes="card-title"> -->
+                <TextBlock Classes="card-title">
-                <!--     Personal access tokens -->
+                    Personal access tokens
-                <!-- </TextBlock> -->
+                </TextBlock>
-                <!-- <Border Classes="card" VerticalAlignment="Stretch" Margin="0,0,5,0"> -->
+                <Border Classes="card" VerticalAlignment="Stretch" Margin="0,0,5,0">
-                <!--     <StackPanel> -->
+                    <StackPanel>
-                <!--         <TextBlock>TODO :)</TextBlock> -->
+                        <DockPanel Margin="0 0 0 10">
-                <!--     </StackPanel> -->
+                            <TextBlock VerticalAlignment="Center">
-                <!-- </Border> -->
+                                Tokens be used to communicate with Artemis APIs without using a username and password
+                            </TextBlock>
+                            <Button HorizontalAlignment="Right" Command="{CompiledBinding GenerateToken}">Generate token</Button>
+                        </DockPanel>
+
+                        <Grid ColumnDefinitions="2*,*,*,*" Margin="12 6">
+                            <TextBlock Grid.Column="0">Description</TextBlock>
+                            <TextBlock Grid.Column="1">Created at</TextBlock>
+                            <TextBlock Grid.Column="2" Grid.ColumnSpan="2">Expires at</TextBlock>
+                        </Grid>
+                        
+                        <TextBlock IsVisible="{CompiledBinding !PersonalAccessTokens.Count}" TextAlignment="Center" Classes="subtitle" Margin="0 10">
+                            You have no active personal access tokens.
+                        </TextBlock>
+
+                        <ItemsControl ItemsSource="{CompiledBinding PersonalAccessTokens}" IsVisible="{CompiledBinding PersonalAccessTokens.Count}">
+                            <ItemsControl.Styles>
+                                <Style Selector="ContentPresenter:nth-child(odd) > Border">
+                                    <Setter Property="Background" Value="{StaticResource ControlStrokeColorOnAccentDefault}"></Setter>
+                                </Style>
+                            </ItemsControl.Styles>
+                            <ItemsControl.DataTemplates>
+                                <DataTemplate DataType="models:PersonalAccessToken">
+                                    <Border CornerRadius="4" Padding="12 6">
+                                        <Grid ColumnDefinitions="2*,*,*,*">
+                                            <TextBlock Grid.Column="0" VerticalAlignment="Center" Text="{CompiledBinding Description}" />
+                                            <TextBlock Grid.Column="1" VerticalAlignment="Center" Text="{CompiledBinding CreationTime, Converter={StaticResource DateTimeConverter}}" />
+                                            <TextBlock Grid.Column="2" VerticalAlignment="Center" Text="{CompiledBinding Expiration, Converter={StaticResource DateTimeConverter}}" />
+                                            <Button Grid.Column="3" HorizontalAlignment="Right"
+                                                    Classes="icon-button"
+                                                    Command="{Binding $parent[settings:AccountTabView].DataContext.DeleteToken}"
+                                                    CommandParameter="{CompiledBinding}">
+                                                <avalonia:MaterialIcon Kind="Trash" />
+                                            </Button>
+                                        </Grid>
+                                    </Border>
+                                </DataTemplate>
+                            </ItemsControl.DataTemplates>
+                        </ItemsControl>
+                    </StackPanel>
+                </Border>
             </StackPanel>
         </ScrollViewer>
     </Panel>
-
 </UserControl>

src/Artemis.UI/Screens/Settings/Tabs/AccountTabViewModel.cs

@@ -1,7 +1,10 @@
 using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.IO;
 using System.Linq;
+using System.Reactive;
 using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using System.Threading;
@@ -12,6 +15,7 @@ using Artemis.UI.Shared.Routing;
 using Artemis.UI.Shared.Services;
 using Artemis.WebClient.Workshop;
 using Artemis.WebClient.Workshop.Handlers.UploadHandlers;
+using Artemis.WebClient.Workshop.Models;
 using Artemis.WebClient.Workshop.Services;
 using IdentityModel;
 using PropertyChanged.SourceGenerator;
@@ -29,6 +33,7 @@ public partial class AccountTabViewModel : RoutableScreen
     [Notify(Setter.Private)] private string? _name;
     [Notify(Setter.Private)] private string? _email;
     [Notify(Setter.Private)] private string? _avatarUrl;
+    [Notify(Setter.Private)] private ObservableCollection<PersonalAccessToken> _personalAccessTokens = new();
 
     public AccountTabViewModel(IWindowService windowService, IAuthenticationService authenticationService, IUserManagementService userManagementService)
     {
@@ -36,10 +41,11 @@ public partial class AccountTabViewModel : RoutableScreen
         _authenticationService = authenticationService;
         _userManagementService = userManagementService;
         _authenticationService.AutoLogin(true);
-        
+
         DisplayName = "Account";
         IsLoggedIn = _authenticationService.IsLoggedIn;
-        
+        DeleteToken = ReactiveCommand.CreateFromTask<PersonalAccessToken>(ExecuteDeleteToken);
+
         this.WhenActivated(d =>
         {
             _canChangePassword = _authenticationService.GetClaim(JwtClaimTypes.AuthenticationMethod).Select(c => c?.Value == "pwd").ToProperty(this, vm => vm.CanChangePassword);
@@ -50,12 +56,13 @@ public partial class AccountTabViewModel : RoutableScreen
 
     public bool CanChangePassword => _canChangePassword?.Value ?? false;
     public IObservable<bool> IsLoggedIn { get; }
+    public ReactiveCommand<PersonalAccessToken,Unit> DeleteToken { get; }
 
     public async Task Login()
     {
         await _windowService.CreateContentDialog().WithViewModel(out WorkshopLoginViewModel _).WithTitle("Account login").ShowAsync();
     }
-    
+
     public async Task ChangeAvatar()
     {
         string[]? result = await _windowService.CreateOpenFileDialog().HavingFilter(f => f.WithBitmaps()).ShowAsync();
@@ -85,7 +92,7 @@ public partial class AccountTabViewModel : RoutableScreen
             .HavingPrimaryButton(b => b.WithText("Submit").WithCommand(vm.Submit))
             .ShowAsync();
     }
-    
+
     public async Task ChangePasswordAddress()
     {
         await _windowService.CreateContentDialog().WithTitle("Change password")
@@ -94,7 +101,7 @@ public partial class AccountTabViewModel : RoutableScreen
             .HavingPrimaryButton(b => b.WithText("Submit").WithCommand(vm.Submit))
             .ShowAsync();
     }
-    
+
     public async Task RemoveAccount()
     {
         await _windowService.CreateContentDialog().WithTitle("Remove account")
@@ -104,11 +111,36 @@ public partial class AccountTabViewModel : RoutableScreen
             .ShowAsync();
     }
 
-    private void LoadCurrentUser()
+    public async Task GenerateToken()
+    {
+        await _windowService.CreateContentDialog().WithTitle("Create Personal Access Token")
+            .WithViewModel(out CreatePersonalAccessTokenViewModel vm)
+            .WithCloseButtonText("Cancel")
+            .HavingPrimaryButton(b => b.WithText("Submit").WithCommand(vm.Submit))
+            .ShowAsync();
+        
+        List<PersonalAccessToken> personalAccessTokens = await _userManagementService.GetPersonAccessTokens(CancellationToken.None);
+        PersonalAccessTokens = new ObservableCollection<PersonalAccessToken>(personalAccessTokens);
+    }
+
+    private async Task ExecuteDeleteToken(PersonalAccessToken token)
+    {
+        bool confirm = await _windowService.ShowConfirmContentDialog("Delete Personal Access Token", "Are you sure you want to delete this token? Any services using it will stop working");
+        if (!confirm)
+            return;
+
+        await _userManagementService.DeletePersonAccessToken(token, CancellationToken.None);
+        PersonalAccessTokens.Remove(token);
+    }
+
+    private async Task LoadCurrentUser()
     {
         string? userId = _authenticationService.Claims.FirstOrDefault(c => c.Type == "sub")?.Value;
         Name = _authenticationService.Claims.FirstOrDefault(c => c.Type == "name")?.Value;
         Email = _authenticationService.Claims.FirstOrDefault(c => c.Type == "email")?.Value;
         AvatarUrl = $"{WorkshopConstants.AUTHORITY_URL}/user/avatar/{userId}";
+
+        List<PersonalAccessToken> personalAccessTokens = await _userManagementService.GetPersonAccessTokens(CancellationToken.None);
+        PersonalAccessTokens = new ObservableCollection<PersonalAccessToken>(personalAccessTokens);
     }
 }

src/Artemis.UI/Screens/Sidebar/SidebarViewModel.cs

@@ -43,6 +43,7 @@ public partial class SidebarViewModel : ActivatableViewModelBase
             {
                 new(MaterialIconKind.FolderVideo, "Profiles", "workshop/entries/profiles/1", "workshop/entries/profiles"),
                 new(MaterialIconKind.KeyboardVariant, "Layouts", "workshop/entries/layouts/1", "workshop/entries/layouts"),
+                new(MaterialIconKind.Connection, "Plugins", "workshop/entries/plugins/1", "workshop/entries/plugins"),
                 new(MaterialIconKind.Bookshelf, "Library", "workshop/library"),
             }),
 

src/Artemis.UI/Screens/Workshop/Entries/Details/EntryReleasesViewModel.cs

@@ -9,7 +9,6 @@ using Artemis.UI.Shared.Utilities;
 using Artemis.WebClient.Workshop;
 using Artemis.WebClient.Workshop.Handlers.InstallationHandlers;
 using Artemis.WebClient.Workshop.Models;
-using Artemis.WebClient.Workshop.Services;
 using Humanizer;
 using ReactiveUI;
 
@@ -29,11 +28,13 @@ public class EntryReleasesViewModel : ViewModelBase
 
         Entry = entry;
         DownloadLatestRelease = ReactiveCommand.CreateFromTask(ExecuteDownloadLatestRelease);
+        OnInstallationStarted = Confirm;
     }
 
     public IGetEntryById_Entry Entry { get; }
     public ReactiveCommand<Unit, Unit> DownloadLatestRelease { get; }
 
+    public Func<IEntryDetails, Task<bool>> OnInstallationStarted { get; set; }
     public Func<InstalledEntry, Task>? OnInstallationFinished { get; set; }
 
     private async Task ExecuteDownloadLatestRelease(CancellationToken cancellationToken)
@@ -41,11 +42,7 @@ public class EntryReleasesViewModel : ViewModelBase
         if (Entry.LatestRelease == null)
             return;
         
-        bool confirm = await _windowService.ShowConfirmContentDialog(
+        if (await OnInstallationStarted(Entry))
-            "Install latest release",
-            $"Are you sure you want to download and install version {Entry.LatestRelease.Version} of {Entry.Name}?"
-        );
-        if (!confirm)
             return;
 
         IEntryInstallationHandler installationHandler = _factory.CreateHandler(Entry.EntryType);
@@ -64,4 +61,14 @@ public class EntryReleasesViewModel : ViewModelBase
                 .WithSeverity(NotificationSeverity.Error).Show();
         }
     }
+
+    private async Task<bool> Confirm(IEntryDetails entryDetails)
+    {
+        bool confirm = await _windowService.ShowConfirmContentDialog(
+            "Install latest release",
+            $"Are you sure you want to download and install version {entryDetails.LatestRelease?.Version} of {entryDetails.Name}?"
+        );
+        
+        return !confirm;
+    }
 }

src/Artemis.UI/Screens/Workshop/Entries/EntriesViewModel.cs

@@ -25,7 +25,8 @@ public partial class EntriesViewModel : RoutableHostScreen<RoutableScreen>
         Tabs = new ObservableCollection<RouteViewModel>
         {
             new("Profiles", "workshop/entries/profiles/1", "workshop/entries/profiles"),
-            new("Layouts", "workshop/entries/layouts/1", "workshop/entries/layouts")
+            new("Layouts", "workshop/entries/layouts/1", "workshop/entries/layouts"),
+            new("Plugins", "workshop/entries/plugins/1", "workshop/entries/plugins"),
         };
 
         this.WhenActivated(d =>

src/Artemis.UI/Screens/Workshop/Entries/List/EntryListItemViewModel.cs

@@ -34,6 +34,7 @@ public class EntryListItemViewModel : ActivatableViewModelBase
                 await _router.Navigate($"workshop/entries/profiles/details/{Entry.Id}");
                 break;
             case EntryType.Plugin:
+                await _router.Navigate($"workshop/entries/plugins/details/{Entry.Id}");
                 break;
             default:
                 throw new ArgumentOutOfRangeException();

src/Artemis.UI/Screens/Workshop/Entries/Tabs/LayoutListViewModel.cs

@@ -27,6 +27,7 @@ public class LayoutListViewModel : List.EntryListViewModel
             And = new[]
             {
                 new EntryFilterInput {EntryType = new EntryTypeOperationFilterInput {Eq = EntryType.Layout}},
+                new EntryFilterInput(){LatestReleaseId = new LongOperationFilterInput {Gt = 0}},
                 base.GetFilter()
             }
         };

src/Artemis.UI/Screens/Workshop/Entries/Tabs/PluginListView.axaml

@@ -0,0 +1,65 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:tabs="clr-namespace:Artemis.UI.Screens.Workshop.Entries.Tabs"
+             xmlns:pagination="clr-namespace:Artemis.UI.Shared.Pagination;assembly=Artemis.UI.Shared"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="Artemis.UI.Screens.Workshop.Entries.Tabs.PluginListView"
+             x:DataType="tabs:PluginListViewModel">
+     <UserControl.Styles>
+        <Styles>
+            <Style Selector="StackPanel.empty-state > TextBlock">
+                <Setter Property="TextAlignment" Value="Center"></Setter>
+                <Setter Property="TextWrapping" Value="Wrap"></Setter>
+            </Style>
+        </Styles>
+    </UserControl.Styles>
+    <Grid ColumnDefinitions="300,*" RowDefinitions="Auto,*,Auto">
+        <StackPanel Grid.Column="0" Grid.RowSpan="3" Margin="0 0 10 0" VerticalAlignment="Top">
+            <Border Classes="card" VerticalAlignment="Stretch">
+                <StackPanel>
+                    <TextBlock Theme="{StaticResource SubtitleTextBlockStyle}">Categories</TextBlock>
+                    <Border Classes="card-separator" />
+                    <ContentControl Content="{CompiledBinding CategoriesViewModel}"></ContentControl>
+                </StackPanel>
+            </Border>
+        </StackPanel>
+
+        <ProgressBar Grid.Column="1" Grid.Row="0" VerticalAlignment="Top" Margin="0 0 20 0" IsVisible="{CompiledBinding IsLoading}" IsIndeterminate="True" />
+        <ContentControl Grid.Column="1" Grid.Row="0" Margin="0 0 20 8" Content="{CompiledBinding InputViewModel}"/>
+       
+        <ScrollViewer Grid.Column="1" Grid.Row="1">
+            <ItemsControl ItemsSource="{CompiledBinding Entries}" Margin="0 0 20 0">
+                <ItemsControl.ItemsPanel>
+                    <ItemsPanelTemplate>
+                        <VirtualizingStackPanel />
+                    </ItemsPanelTemplate>
+                </ItemsControl.ItemsPanel>
+                <ItemsControl.ItemTemplate>
+                    <DataTemplate>
+                        <ContentControl Content="{CompiledBinding}" Margin="0 0 0 5"></ContentControl>
+                    </DataTemplate>
+                </ItemsControl.ItemTemplate>
+            </ItemsControl>
+        </ScrollViewer>
+        
+        <Panel Grid.Column="1" Grid.Row="1" IsVisible="{CompiledBinding !IsLoading}">
+            <StackPanel IsVisible="{CompiledBinding !Entries.Count}" Margin="0 50 0 0" Classes="empty-state">
+                <TextBlock Theme="{StaticResource TitleTextBlockStyle}">Looks like your current filters gave no results</TextBlock>
+                <TextBlock>
+                    <Run>Modify or clear your filters to view other plugins</Run>
+                </TextBlock>
+                <Lottie Path="/Assets/Animations/empty.json" RepeatCount="1" Width="350" Height="350"></Lottie>
+            </StackPanel>
+        </Panel>
+
+        <pagination:Pagination Grid.Column="1"
+                               Grid.Row="2"
+                               Margin="0 20 0 10"
+                               IsVisible="{CompiledBinding ShowPagination}"
+                               Value="{CompiledBinding Page}"
+                               Maximum="{CompiledBinding TotalPages}"
+                               HorizontalAlignment="Center" />
+    </Grid>
+</UserControl>

src/Artemis.UI/Screens/Workshop/Entries/Tabs/PluginListView.axaml.cs

@@ -0,0 +1,14 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+using Avalonia.ReactiveUI;
+
+namespace Artemis.UI.Screens.Workshop.Entries.Tabs;
+
+public partial class PluginListView : ReactiveUserControl<PluginListViewModel>
+{
+    public PluginListView()
+    {
+        InitializeComponent();
+    }
+}

src/Artemis.UI/Screens/Workshop/Entries/Tabs/PluginListViewModel.cs

@@ -0,0 +1,34 @@
+using System;
+using Artemis.UI.Screens.Workshop.Categories;
+using Artemis.UI.Screens.Workshop.Entries.List;
+using Artemis.UI.Shared.Routing;
+using Artemis.UI.Shared.Services;
+using Artemis.WebClient.Workshop;
+
+namespace Artemis.UI.Screens.Workshop.Entries.Tabs;
+
+public class PluginListViewModel : EntryListViewModel
+{
+    public PluginListViewModel(IWorkshopClient workshopClient,
+        IRouter router,
+        CategoriesViewModel categoriesViewModel,
+        EntryListInputViewModel entryListInputViewModel,
+        INotificationService notificationService,
+        Func<IGetEntries_Entries_Items, EntryListItemViewModel> getEntryListViewModel)
+        : base("workshop/entries/plugins", workshopClient, router, categoriesViewModel, entryListInputViewModel, notificationService, getEntryListViewModel)
+    {
+        entryListInputViewModel.SearchWatermark = "Search plugins";
+    }
+
+    protected override EntryFilterInput GetFilter()
+    {
+        return new EntryFilterInput
+        {
+            And = new[]
+            {
+                new EntryFilterInput {EntryType = new EntryTypeOperationFilterInput {Eq = EntryType.Plugin}},
+                base.GetFilter()
+            }
+        };
+    }
+}

src/Artemis.UI/Screens/Workshop/Entries/Tabs/ProfileListViewModel.cs

@@ -12,7 +12,7 @@ public class ProfileListViewModel : List.EntryListViewModel
     public ProfileListViewModel(IWorkshopClient workshopClient,
         IRouter router,
         CategoriesViewModel categoriesViewModel,
-        List.EntryListInputViewModel entryListInputViewModel,
+        EntryListInputViewModel entryListInputViewModel,
         INotificationService notificationService,
         Func<IGetEntries_Entries_Items, EntryListItemViewModel> getEntryListViewModel)
         : base("workshop/entries/profiles", workshopClient, router, categoriesViewModel, entryListInputViewModel, notificationService, getEntryListViewModel)

src/Artemis.UI/Screens/Workshop/Home/WorkshopHomeView.axaml

@@ -57,6 +57,14 @@
                         </StackPanel>
                     </Button>
                     
+                    <Button Width="150" Height="180" Command="{CompiledBinding Navigate}" CommandParameter="workshop/entries/plugins/1" VerticalContentAlignment="Top">
+                        <StackPanel>
+                            <avalonia:MaterialIcon Kind="Connection" HorizontalAlignment="Left" Width="60" Height="60" Margin="0 5" />
+                            <TextBlock TextWrapping="Wrap" FontSize="16" Margin="0 5">Plugins</TextBlock>
+                            <TextBlock TextWrapping="Wrap" FontSize="12" Opacity="0.8">Plugins add new functionality to Artemis.</TextBlock>
+                        </StackPanel>
+                    </Button>
+                    
                     <Button Width="150" Height="180" Command="{CompiledBinding Navigate}" CommandParameter="workshop/library" VerticalContentAlignment="Top">
                         <StackPanel>
                             <avalonia:MaterialIcon Kind="Bookshelf" HorizontalAlignment="Left" Width="60" Height="60" Margin="0 5" />

src/Artemis.UI/Screens/Workshop/Library/Tabs/InstalledTabItemView.axaml

@@ -20,7 +20,7 @@
             HorizontalAlignment="Stretch"
             HorizontalContentAlignment="Stretch"
             Command="{CompiledBinding ViewWorkshopPage}">
-        <Grid ColumnDefinitions="Auto,*,*,*,Auto">
+        <Grid ColumnDefinitions="Auto,2*,*,*,*,Auto">
             <Border Grid.Column="0"
                     CornerRadius="6"
                     VerticalAlignment="Center"
@@ -42,12 +42,13 @@
             </StackPanel>
             
             <TextBlock Grid.Column="2" VerticalAlignment="Center" Text="{CompiledBinding InstalledEntry.EntryType}"></TextBlock>
-            <TextBlock Grid.Column="3" VerticalAlignment="Center">
+            <TextBlock Grid.Column="3" VerticalAlignment="Center" Text="{CompiledBinding InstalledEntry.ReleaseVersion}"></TextBlock>
+            <TextBlock Grid.Column="4" VerticalAlignment="Center">
                 <Run>Installed</Run>
                 <Run Text="{CompiledBinding InstalledEntry.InstalledAt, FallbackValue=01-01-1337, Mode=OneWay, Converter={StaticResource DateTimeConverter}}" />
             </TextBlock>
             
-            <StackPanel Grid.Column="4" VerticalAlignment="Center" Orientation="Horizontal" Spacing="6">
+            <StackPanel Grid.Column="5" VerticalAlignment="Center" Orientation="Horizontal" Spacing="6">
                 <Button Command="{CompiledBinding ViewLocal}">Open</Button>
                 <Button Command="{CompiledBinding Uninstall}" Theme="{StaticResource TransparentButton}" Height="32">
                     <avalonia:MaterialIcon Kind="Trash"/>

src/Artemis.UI/Screens/Workshop/Library/Tabs/InstalledTabItemViewModel.cs

@@ -1,7 +1,12 @@
 using System;
+using System.Linq;
 using System.Reactive;
 using System.Threading;
 using System.Threading.Tasks;
+using Artemis.Core;
+using Artemis.Core.Services;
+using Artemis.UI.DryIoc.Factories;
+using Artemis.UI.Screens.Plugins;
 using Artemis.UI.Shared;
 using Artemis.UI.Shared.Routing;
 using Artemis.UI.Shared.Services;
@@ -20,14 +25,24 @@ public partial class InstalledTabItemViewModel : ViewModelBase
     private readonly IRouter _router;
     private readonly EntryInstallationHandlerFactory _factory;
     private readonly IWindowService _windowService;
+    private readonly IPluginManagementService _pluginManagementService;
+    private readonly ISettingsVmFactory _settingsVmFactory;
     [Notify(Setter.Private)] private bool _isRemoved;
 
-    public InstalledTabItemViewModel(InstalledEntry installedEntry, IWorkshopService workshopService, IRouter router, EntryInstallationHandlerFactory factory, IWindowService windowService)
+    public InstalledTabItemViewModel(InstalledEntry installedEntry,
+        IWorkshopService workshopService,
+        IRouter router, 
+        EntryInstallationHandlerFactory factory, 
+        IWindowService windowService,
+        IPluginManagementService pluginManagementService,
+        ISettingsVmFactory settingsVmFactory)
     {
         _workshopService = workshopService;
         _router = router;
         _factory = factory;
         _windowService = windowService;
+        _pluginManagementService = pluginManagementService;
+        _settingsVmFactory = settingsVmFactory;
         InstalledEntry = installedEntry;
 
         ViewWorkshopPage = ReactiveCommand.CreateFromTask(ExecuteViewWorkshopPage);
@@ -58,9 +73,25 @@ public partial class InstalledTabItemViewModel : ViewModelBase
         bool confirmed = await _windowService.ShowConfirmContentDialog("Do you want to uninstall this entry?", "Both the entry and its contents will be removed.");
         if (!confirmed)
             return;
+
+        // Ideally the installation handler does this but it doesn't have access to the required view models
+        if (InstalledEntry.EntryType == EntryType.Plugin)
+            await UninstallPluginPrerequisites();
         
         IEntryInstallationHandler handler = _factory.CreateHandler(InstalledEntry.EntryType);
         await handler.UninstallAsync(InstalledEntry, cancellationToken);
         IsRemoved = true;
     }
+
+    private async Task UninstallPluginPrerequisites()
+    {
+        if (!InstalledEntry.TryGetMetadata("PluginId", out Guid pluginId))
+            return;
+        Plugin? plugin = _pluginManagementService.GetAllPlugins().FirstOrDefault(p => p.Guid == pluginId);
+        if (plugin == null)
+            return;
+
+        PluginViewModel pluginViewModel = _settingsVmFactory.PluginViewModel(plugin, ReactiveCommand.Create(() => { }));
+        await pluginViewModel.ExecuteRemovePrerequisites(true);
+    }
 }

src/Artemis.UI/Screens/Workshop/Plugins/Dialogs/PluginDialogView.axaml

@@ -0,0 +1,19 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:dialogs="clr-namespace:Artemis.UI.Screens.Workshop.Plugins.Dialogs"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="Artemis.UI.Screens.Workshop.Plugins.Dialogs.PluginDialogView"
+             x:DataType="dialogs:PluginDialogViewModel">
+    <Grid ColumnDefinitions="4*,5*" Width="800" Height="160">
+        <ContentControl Grid.Column="0" Content="{CompiledBinding PluginViewModel}" />
+
+        <Border Grid.Column="1" BorderBrush="{DynamicResource ButtonBorderBrush}" BorderThickness="1 0 0 0" Margin="10 0 0 0" Padding="10 0 0 0">
+            <Grid RowDefinitions="Auto,*">
+                <TextBlock Classes="h5">Plugin features</TextBlock>
+                <ListBox Grid.Row="1" MaxHeight="135" ItemsSource="{CompiledBinding PluginFeatures}" />
+            </Grid>
+        </Border>
+    </Grid>
+</UserControl>

src/Artemis.UI/Screens/Workshop/Plugins/Dialogs/PluginDialogView.axaml.cs

@@ -0,0 +1,11 @@
+using Avalonia.ReactiveUI;
+
+namespace Artemis.UI.Screens.Workshop.Plugins.Dialogs;
+
+public partial class PluginDialogView : ReactiveUserControl<PluginDialogViewModel>
+{
+    public PluginDialogView()
+    {
+        InitializeComponent();
+    }
+}

src/Artemis.UI/Screens/Workshop/Plugins/Dialogs/PluginDialogViewModel.cs

@@ -0,0 +1,23 @@
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Reactive.Linq;
+using Artemis.Core;
+using Artemis.UI.DryIoc.Factories;
+using Artemis.UI.Screens.Plugins;
+using Artemis.UI.Screens.Plugins.Features;
+using Artemis.UI.Shared;
+using ReactiveUI;
+
+namespace Artemis.UI.Screens.Workshop.Plugins.Dialogs;
+
+public class PluginDialogViewModel : ContentDialogViewModelBase
+{
+    public PluginDialogViewModel(Plugin plugin, ISettingsVmFactory settingsVmFactory)
+    {
+        PluginViewModel = settingsVmFactory.PluginViewModel(plugin, ReactiveCommand.Create(() => {}, Observable.Empty<bool>()));
+        PluginFeatures = new ObservableCollection<PluginFeatureViewModel>(plugin.Features.Select(f => settingsVmFactory.PluginFeatureViewModel(f, false)));
+    }
+
+    public PluginViewModel PluginViewModel { get; }
+    public ObservableCollection<PluginFeatureViewModel> PluginFeatures { get; }
+}

src/Artemis.UI/Screens/Workshop/Plugins/PluginDetailsView.axaml

@@ -0,0 +1,30 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:mdxaml="https://github.com/whistyun/Markdown.Avalonia.Tight"
+             xmlns:plugins="clr-namespace:Artemis.UI.Screens.Workshop.Plugins"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="Artemis.UI.Screens.Workshop.Plugins.PluginDetailsView"
+             x:DataType="plugins:PluginDetailsViewModel">
+    <Grid ColumnDefinitions="300,*, 300" RowDefinitions="Auto,*">
+        <StackPanel Grid.Row="1" Grid.Column="0" Spacing="10">
+            <Border Classes="card" VerticalAlignment="Top">
+                <ContentControl Content="{CompiledBinding EntryInfoViewModel}" />
+            </Border>
+            <Border Classes="card" VerticalAlignment="Top" IsVisible="{CompiledBinding Entry.LatestRelease, Converter={x:Static ObjectConverters.IsNotNull}}">
+                <ContentControl Content="{CompiledBinding EntryReleasesViewModel}" />
+            </Border>
+        </StackPanel>
+
+        <Border Classes="card" Grid.Row="1" Grid.Column="1" Margin="10 0">
+            <mdxaml:MarkdownScrollViewer Markdown="{CompiledBinding Entry.Description}" MarkdownStyleName="FluentAvalonia">
+                <mdxaml:MarkdownScrollViewer.Styles>
+                    <StyleInclude Source="/Styles/Markdown.axaml" />
+                </mdxaml:MarkdownScrollViewer.Styles>
+            </mdxaml:MarkdownScrollViewer>
+        </Border>
+
+        <ContentControl Grid.Row="1" Grid.Column="2" IsVisible="{CompiledBinding Entry.Images.Count}" Content="{CompiledBinding EntryImagesViewModel}" />
+    </Grid>
+</UserControl>

src/Artemis.UI/Screens/Workshop/Plugins/PluginDetailsView.axaml.cs

@@ -0,0 +1,11 @@
+using Avalonia.ReactiveUI;
+
+namespace Artemis.UI.Screens.Workshop.Plugins;
+
+public partial class PluginDetailsView : ReactiveUserControl<PluginDetailsViewModel>
+{
+    public PluginDetailsView()
+    {
+        InitializeComponent();
+    }
+}

src/Artemis.UI/Screens/Workshop/Plugins/PluginDetailsViewModel.cs

@@ -0,0 +1,97 @@
+using System;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Artemis.Core;
+using Artemis.Core.Services;
+using Artemis.UI.Screens.Workshop.Entries.Details;
+using Artemis.UI.Screens.Workshop.Parameters;
+using Artemis.UI.Screens.Workshop.Plugins.Dialogs;
+using Artemis.UI.Shared.Routing;
+using Artemis.UI.Shared.Services;
+using Artemis.WebClient.Workshop;
+using Artemis.WebClient.Workshop.Models;
+using PropertyChanged.SourceGenerator;
+using StrawberryShake;
+
+namespace Artemis.UI.Screens.Workshop.Plugins;
+
+public partial class PluginDetailsViewModel : RoutableScreen<WorkshopDetailParameters>
+{
+    private readonly IWorkshopClient _client;
+    private readonly IWindowService _windowService;
+    private readonly IPluginManagementService _pluginManagementService;
+    private readonly Func<IGetEntryById_Entry, EntryInfoViewModel> _getEntryInfoViewModel;
+    private readonly Func<IGetEntryById_Entry, EntryReleasesViewModel> _getEntryReleasesViewModel;
+    private readonly Func<IGetEntryById_Entry, EntryImagesViewModel> _getEntryImagesViewModel;
+    [Notify] private IGetEntryById_Entry? _entry;
+    [Notify] private EntryInfoViewModel? _entryInfoViewModel;
+    [Notify] private EntryReleasesViewModel? _entryReleasesViewModel;
+    [Notify] private EntryImagesViewModel? _entryImagesViewModel;
+
+    public PluginDetailsViewModel(IWorkshopClient client,
+        IWindowService windowService,
+        IPluginManagementService pluginManagementService,
+        Func<IGetEntryById_Entry, EntryInfoViewModel> getEntryInfoViewModel,
+        Func<IGetEntryById_Entry, EntryReleasesViewModel> getEntryReleasesViewModel,
+        Func<IGetEntryById_Entry, EntryImagesViewModel> getEntryImagesViewModel)
+    {
+        _client = client;
+        _windowService = windowService;
+        _pluginManagementService = pluginManagementService;
+        _getEntryInfoViewModel = getEntryInfoViewModel;
+        _getEntryReleasesViewModel = getEntryReleasesViewModel;
+        _getEntryImagesViewModel = getEntryImagesViewModel;
+    }
+
+    public override async Task OnNavigating(WorkshopDetailParameters parameters, NavigationArguments args, CancellationToken cancellationToken)
+    {
+        await GetEntry(parameters.EntryId, cancellationToken);
+    }
+
+    private async Task GetEntry(long entryId, CancellationToken cancellationToken)
+    {
+        IOperationResult<IGetEntryByIdResult> result = await _client.GetEntryById.ExecuteAsync(entryId, cancellationToken);
+        if (result.IsErrorResult())
+            return;
+
+        Entry = result.Data?.Entry;
+        if (Entry == null)
+        {
+            EntryInfoViewModel = null;
+            EntryReleasesViewModel = null;
+        }
+        else
+        {
+            EntryInfoViewModel = _getEntryInfoViewModel(Entry);
+            EntryReleasesViewModel = _getEntryReleasesViewModel(Entry);
+            EntryImagesViewModel = _getEntryImagesViewModel(Entry);
+
+            EntryReleasesViewModel.OnInstallationStarted = OnInstallationStarted;
+            EntryReleasesViewModel.OnInstallationFinished = OnInstallationFinished;
+        }
+    }
+
+    private async Task<bool> OnInstallationStarted(IEntryDetails entryDetails)
+    {
+        bool confirm = await _windowService.ShowConfirmContentDialog(
+            "Installing plugin",
+            $"You are about to install version {entryDetails.LatestRelease?.Version} of {entryDetails.Name}. \r\n\r\n" +
+            "Plugins are NOT verified by Artemis and could harm your PC, if you have doubts about a plugin please ask on Discord!",
+            "I trust this plugin, install it"
+        );
+
+        return !confirm;
+    }
+
+    private async Task OnInstallationFinished(InstalledEntry installedEntry)
+    {
+        if (!installedEntry.TryGetMetadata("PluginId", out Guid pluginId))
+            return;
+        Plugin? plugin = _pluginManagementService.GetAllPlugins().FirstOrDefault(p => p.Guid == pluginId);
+        if (plugin == null)
+            return;
+
+        await _windowService.CreateContentDialog().WithTitle("Manage plugin").WithViewModel(out PluginDialogViewModel _, plugin).WithFullScreen().ShowAsync();
+    }
+}

src/Artemis.UI/Screens/Workshop/SubmissionWizard/Models/SubmissionWizardState.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Layout;
+using Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Plugin;
 using Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Profile;
 using Artemis.UI.Shared.Services;
 using Artemis.WebClient.Workshop;
@@ -56,7 +57,9 @@ public class SubmissionWizardState : IDisposable
 
     public void StartForCurrentEntry()
     {
-        if (EntryType == EntryType.Profile)
+        if (EntryType == EntryType.Plugin)
+            ChangeScreen<PluginSelectionStepViewModel>();
+        else if (EntryType == EntryType.Profile)
             ChangeScreen<ProfileSelectionStepViewModel>();
         else if (EntryType == EntryType.Layout)
             ChangeScreen<LayoutSelectionStepViewModel>();

src/Artemis.UI/Screens/Workshop/SubmissionWizard/Steps/EntryTypeStepView.axaml

@@ -44,5 +44,14 @@
                 </StackPanel>
             </RadioButton.Content>
         </RadioButton>
+        <RadioButton GroupName="EntryType" 
+                     IsChecked="{CompiledBinding SelectedEntryType, Converter={StaticResource EnumBoolConverter}, ConverterParameter={x:Static workshop:EntryType.Plugin}}">
+            <RadioButton.Content>
+                <StackPanel>
+                    <TextBlock>Plugin</TextBlock>
+                    <TextBlock Classes="subtitle" TextWrapping="Wrap">A plugin that adds new features to Artemis.</TextBlock>
+                </StackPanel>
+            </RadioButton.Content>
+        </RadioButton>
     </StackPanel>
 </UserControl>

src/Artemis.UI/Screens/Workshop/SubmissionWizard/Steps/Plugin/PluginSelectionStepView.axaml

@@ -0,0 +1,46 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:plugin="clr-namespace:Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Plugin"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Plugin.PluginSelectionStepView"
+             x:DataType="plugin:PluginSelectionStepViewModel">
+    <Grid RowDefinitions="Auto,Auto">
+        <StackPanel>
+            <StackPanel.Styles>
+                <Styles>
+                    <Style Selector="TextBlock">
+                        <Setter Property="TextWrapping" Value="Wrap"></Setter>
+                    </Style>
+                </Styles>
+            </StackPanel.Styles>
+            <TextBlock Theme="{StaticResource TitleTextBlockStyle}" TextWrapping="Wrap">
+                Plugin selection
+            </TextBlock>
+            <TextBlock TextWrapping="Wrap">
+                Please select the plugin you want to share, a preview will be shown below.
+            </TextBlock>
+            <Button Command="{CompiledBinding Browse}" Margin="0 20">Browse file</Button>
+        </StackPanel>
+        <Border Grid.Row="1" Classes="card" ClipToBounds="True" IsVisible="{CompiledBinding SelectedPlugin, Converter={x:Static ObjectConverters.IsNotNull}}">
+            <Grid RowDefinitions="30,30,30,30,Auto" ColumnDefinitions="200,Auto">
+                <TextBlock Grid.Row="0" Grid.Column="0" FontWeight="SemiBold">Path</TextBlock>
+                <TextBlock Grid.Row="0" Grid.Column="1" Text="{CompiledBinding Path}"></TextBlock>
+                
+                <TextBlock Grid.Row="1" Grid.Column="0" FontWeight="SemiBold">Name</TextBlock>
+                <TextBlock Grid.Row="1" Grid.Column="1" Text="{CompiledBinding SelectedPlugin.Name}"></TextBlock>
+
+                <TextBlock Grid.Row="2" Grid.Column="0" FontWeight="SemiBold">Description</TextBlock>
+                <TextBlock Grid.Row="2" Grid.Column="1" Text="{CompiledBinding SelectedPlugin.Description}"></TextBlock>
+                
+                <TextBlock Grid.Row="3" Grid.Column="0" FontWeight="SemiBold">Main entry point</TextBlock>
+                <TextBlock Grid.Row="3" Grid.Column="1" Text="{CompiledBinding SelectedPlugin.Main}"></TextBlock>
+                
+                <TextBlock Grid.Row="4" Grid.Column="0" FontWeight="SemiBold">Version</TextBlock>
+                <TextBlock Grid.Row="4" Grid.Column="1" Text="{CompiledBinding SelectedPlugin.Version}"></TextBlock>
+            </Grid>
+        </Border>
+    </Grid>
+
+</UserControl>

src/Artemis.UI/Screens/Workshop/SubmissionWizard/Steps/Plugin/PluginSelectionStepView.axaml.cs

@@ -0,0 +1,11 @@
+using Avalonia.ReactiveUI;
+
+namespace Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Plugin;
+
+public partial class PluginSelectionStepView : ReactiveUserControl<PluginSelectionStepViewModel>
+{
+    public PluginSelectionStepView()
+    {
+        InitializeComponent();
+    }
+}

src/Artemis.UI/Screens/Workshop/SubmissionWizard/Steps/Plugin/PluginSelectionStepViewModel.cs

@@ -0,0 +1,83 @@
+using System.IO;
+using System.IO.Compression;
+using System.Linq;
+using System.Reactive;
+using System.Reactive.Disposables;
+using System.Reactive.Linq;
+using System.Threading.Tasks;
+using Artemis.Core;
+using Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Profile;
+using Artemis.UI.Shared.Services;
+using Artemis.WebClient.Workshop.Handlers.UploadHandlers;
+using PropertyChanged.SourceGenerator;
+using ReactiveUI;
+
+namespace Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Plugin;
+
+public partial class PluginSelectionStepViewModel : SubmissionViewModel
+{
+    private readonly IWindowService _windowService;
+    [Notify] private PluginInfo? _selectedPlugin;
+    [Notify] private string? _path;
+
+    /// <inheritdoc />
+    public PluginSelectionStepViewModel(IWindowService windowService)
+    {
+        _windowService = windowService;
+
+        GoBack = ReactiveCommand.Create(() => State.ChangeScreen<EntryTypeStepViewModel>());
+        Continue = ReactiveCommand.Create(ExecuteContinue, this.WhenAnyValue(vm => vm.SelectedPlugin).Select(p => p != null));
+        Browse = ReactiveCommand.CreateFromTask(ExecuteBrowse);
+
+        this.WhenActivated((CompositeDisposable _) =>
+        {
+            ShowGoBack = State.EntryId == null;
+            if (State.EntrySource is PluginEntrySource pluginEntrySource)
+            {
+                SelectedPlugin = pluginEntrySource.PluginInfo;
+                Path = pluginEntrySource.Path;
+            }
+        });
+    }
+
+    public ReactiveCommand<Unit, Unit> Browse { get; }
+
+    private async Task ExecuteBrowse()
+    {
+        string[]? files = await _windowService.CreateOpenFileDialog().HavingFilter(f => f.WithExtension("zip").WithName("ZIP files")).ShowAsync();
+        if (files == null)
+            return;
+
+        // Find the metadata file in the zip
+        using ZipArchive archive = ZipFile.OpenRead(files[0]);
+        ZipArchiveEntry? metaDataFileEntry = archive.Entries.FirstOrDefault(e => e.Name == "plugin.json");
+        if (metaDataFileEntry == null)
+            throw new ArtemisPluginException("Couldn't find a plugin.json in " + files[0]);
+
+        using StreamReader reader = new(metaDataFileEntry.Open());
+        PluginInfo pluginInfo = CoreJson.DeserializeObject<PluginInfo>(reader.ReadToEnd())!;
+        if (!pluginInfo.Main.EndsWith(".dll"))
+            throw new ArtemisPluginException("Main entry in plugin.json must point to a .dll file");
+
+        SelectedPlugin = pluginInfo;
+        Path = files[0];
+    }
+
+    private void ExecuteContinue()
+    {
+        if (SelectedPlugin == null || Path == null)
+            return;
+
+        State.EntrySource = new PluginEntrySource(SelectedPlugin, Path);
+        
+        if (string.IsNullOrWhiteSpace(State.Name))
+            State.Name = SelectedPlugin.Name;
+        if (string.IsNullOrWhiteSpace(State.Summary))
+            State.Summary = SelectedPlugin.Description ?? "";
+        
+        if (State.EntryId == null)
+            State.ChangeScreen<SpecificationsStepViewModel>();
+        else
+            State.ChangeScreen<UploadStepViewModel>();
+    }
+}

src/Artemis.UI/Screens/Workshop/SubmissionWizard/Steps/SpecificationsStepViewModel.cs

@@ -6,6 +6,7 @@ using System.Reactive.Disposables;
 using Artemis.UI.Extensions;
 using Artemis.UI.Screens.Workshop.Entries;
 using Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Layout;
+using Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Plugin;
 using Artemis.UI.Screens.Workshop.SubmissionWizard.Steps.Profile;
 using Artemis.WebClient.Workshop;
 using DynamicData;
@@ -37,19 +38,14 @@ public partial class SpecificationsStepViewModel : SubmissionViewModel
         // Apply what's there so far
         ApplyToState();
 
-        switch (State.EntryType)
+        if (State.EntryType == EntryType.Layout)
-        {
+            State.ChangeScreen<LayoutInfoStepViewModel>();
-            case EntryType.Layout:
+        else if (State.EntryType == EntryType.Plugin)
-                State.ChangeScreen<LayoutInfoStepViewModel>();
+            State.ChangeScreen<PluginSelectionStepViewModel>();
-                break;
+        else if (State.EntryType == EntryType.Profile)
-            case EntryType.Plugin:
+            State.ChangeScreen<ProfileAdaptionHintsStepViewModel>();
-                break;
+        else
-            case EntryType.Profile:
+            throw new ArgumentOutOfRangeException();
-                State.ChangeScreen<ProfileAdaptionHintsStepViewModel>();
-                break;
-            default:
-                throw new ArgumentOutOfRangeException();
-        }
     }
 
     private void ExecuteContinue()

src/Artemis.WebClient.Workshop/Handlers/InstallationHandlers/EntryInstallationHandlerFactory.cs

@@ -15,6 +15,7 @@ public class EntryInstallationHandlerFactory
     {
         return entryType switch
         {
+            EntryType.Plugin => _container.Resolve<PluginEntryInstallationHandler>(),
             EntryType.Profile => _container.Resolve<ProfileEntryInstallationHandler>(),
             EntryType.Layout => _container.Resolve<LayoutEntryInstallationHandler>(),
             _ => throw new NotSupportedException($"EntryType '{entryType}' is not supported.")

src/Artemis.WebClient.Workshop/Handlers/InstallationHandlers/EntryUninstallResult.cs

@@ -14,11 +14,12 @@ public class EntryUninstallResult
         };
     }
 
-    public static EntryUninstallResult FromSuccess()
+    public static EntryUninstallResult FromSuccess(string? message = null)
     {
         return new EntryUninstallResult
         {
-            IsSuccess = true
+            IsSuccess = true,
+            Message = message
         };
     }
 }

src/Artemis.WebClient.Workshop/Handlers/InstallationHandlers/Implementations/PluginEntryInstallationHandler.cs

@@ -0,0 +1,130 @@
+using System.IO.Compression;
+using Artemis.Core;
+using Artemis.Core.Services;
+using Artemis.UI.Shared.Extensions;
+using Artemis.UI.Shared.Utilities;
+using Artemis.WebClient.Workshop.Exceptions;
+using Artemis.WebClient.Workshop.Models;
+using Artemis.WebClient.Workshop.Services;
+
+namespace Artemis.WebClient.Workshop.Handlers.InstallationHandlers;
+
+public class PluginEntryInstallationHandler : IEntryInstallationHandler
+{
+    private readonly IHttpClientFactory _httpClientFactory;
+    private readonly IWorkshopService _workshopService;
+    private readonly IPluginManagementService _pluginManagementService;
+
+    public PluginEntryInstallationHandler(IHttpClientFactory httpClientFactory, IWorkshopService workshopService, IPluginManagementService pluginManagementService)
+    {
+        _httpClientFactory = httpClientFactory;
+        _workshopService = workshopService;
+        _pluginManagementService = pluginManagementService;
+    }
+
+    public async Task<EntryInstallResult> InstallAsync(IEntryDetails entry, IRelease release, Progress<StreamProgress> progress, CancellationToken cancellationToken)
+    {
+        // Ensure there is an installed entry
+        InstalledEntry? installedEntry = _workshopService.GetInstalledEntry(entry);
+        if (installedEntry != null)
+        {
+            // If the folder already exists, we're not going to reinstall the plugin since files may be in use, consider our job done
+            if (installedEntry.GetReleaseDirectory(release).Exists)
+                return EntryInstallResult.FromSuccess(installedEntry);
+        }
+        else
+        {
+            // If none exists yet create one
+            installedEntry = new InstalledEntry(entry, release);
+            // Don't try to install a new plugin into an existing directory since files may be in use, consider our job screwed
+            if (installedEntry.GetReleaseDirectory(release).Exists)
+                return EntryInstallResult.FromFailure("Plugin is new but installation directory is not empty, try restarting Artemis");
+        }
+
+        using MemoryStream stream = new();
+
+        // Download the provided release
+        try
+        {
+            HttpClient client = _httpClientFactory.CreateClient(WorkshopConstants.WORKSHOP_CLIENT_NAME);
+            await client.DownloadDataAsync($"releases/download/{release.Id}", stream, progress, cancellationToken);
+        }
+        catch (Exception e)
+        {
+            return EntryInstallResult.FromFailure(e.Message);
+        }
+
+        // Create the release directory
+        DirectoryInfo releaseDirectory = installedEntry.GetReleaseDirectory(release);
+        releaseDirectory.Create();
+
+        // Extract the archive
+        stream.Seek(0, SeekOrigin.Begin);
+        using ZipArchive archive = new(stream);
+        archive.ExtractToDirectory(releaseDirectory.FullName);
+
+        // If there is already a version of the plugin installed, disable it
+        if (installedEntry.TryGetMetadata("PluginId", out Guid pluginId))
+        {
+            Plugin? currentVersion = _pluginManagementService.GetAllPlugins().FirstOrDefault(p => p.Guid == pluginId);
+            if (currentVersion != null)
+                _pluginManagementService.UnloadPlugin(currentVersion);
+        }
+
+        // Load the plugin, next time during startup this will happen automatically
+        try
+        {
+            Plugin? plugin = _pluginManagementService.LoadPlugin(releaseDirectory);
+            if (plugin == null)
+                throw new ArtemisWorkshopException("Failed to load plugin, it may be incompatible");
+
+            installedEntry.SetMetadata("PluginId", plugin.Guid);
+        }
+        catch (Exception e)
+        {
+            // If the plugin ended up being invalid yoink it out again, shoooo
+            try
+            {
+                releaseDirectory.Delete(true);
+            }
+            catch (Exception)
+            {
+                // ignored, will get cleaned up as an orphaned file
+            }
+
+            _workshopService.RemoveInstalledEntry(installedEntry);
+            return EntryInstallResult.FromFailure(e.Message);
+        }
+
+        _workshopService.SaveInstalledEntry(installedEntry);
+        return EntryInstallResult.FromSuccess(installedEntry);
+    }
+
+    public Task<EntryUninstallResult> UninstallAsync(InstalledEntry installedEntry, CancellationToken cancellationToken)
+    {
+        // Disable the plugin
+        if (installedEntry.TryGetMetadata("PluginId", out Guid pluginId))
+        {
+            Plugin? plugin = _pluginManagementService.GetAllPlugins().FirstOrDefault(p => p.Guid == pluginId);
+            if (plugin != null)
+                _pluginManagementService.UnloadPlugin(plugin);
+        }
+
+        // Attempt to remove from filesystem
+        DirectoryInfo directory = installedEntry.GetDirectory();
+        string? message = null;
+        try
+        {
+            if (directory.Exists)
+                directory.Delete(true);
+        }
+        catch (Exception)
+        {
+            message = "Failed to clean up files, you may need to restart Artemis";
+        }
+
+        // Remove entry
+        _workshopService.RemoveInstalledEntry(installedEntry);
+        return Task.FromResult(EntryUninstallResult.FromSuccess(message));
+    }
+}

src/Artemis.WebClient.Workshop/Handlers/UploadHandlers/EntryUploadHandlerFactory.cs

@@ -15,6 +15,7 @@ public class EntryUploadHandlerFactory
     {
         return entryType switch
         {
+            EntryType.Plugin => _container.Resolve<PluginEntryUploadHandler>(),
             EntryType.Profile => _container.Resolve<ProfileEntryUploadHandler>(),
             EntryType.Layout => _container.Resolve<LayoutEntryUploadHandler>(),
             _ => throw new NotSupportedException($"EntryType '{entryType}' is not supported.")

src/Artemis.WebClient.Workshop/Handlers/UploadHandlers/Implementations/PluginEntrySource.cs

@@ -0,0 +1,15 @@
+using Artemis.Core;
+
+namespace Artemis.WebClient.Workshop.Handlers.UploadHandlers;
+
+public class PluginEntrySource : IEntrySource
+{
+    public PluginEntrySource(PluginInfo pluginInfo, string path)
+    {
+        PluginInfo = pluginInfo;
+        Path = path;
+    }
+
+    public PluginInfo PluginInfo { get; set; }
+    public string Path { get; set; }
+}

src/Artemis.WebClient.Workshop/Handlers/UploadHandlers/Implementations/PluginEntryUploadHandler.cs

@@ -0,0 +1,40 @@
+using System.Net.Http.Headers;
+using Artemis.WebClient.Workshop.Entities;
+using Newtonsoft.Json;
+
+namespace Artemis.WebClient.Workshop.Handlers.UploadHandlers;
+
+public class PluginEntryUploadHandler : IEntryUploadHandler
+{
+    private readonly IHttpClientFactory _httpClientFactory;
+
+    public PluginEntryUploadHandler(IHttpClientFactory httpClientFactory)
+    {
+        _httpClientFactory = httpClientFactory;
+    }
+
+    /// <inheritdoc />
+    public async Task<EntryUploadResult> CreateReleaseAsync(long entryId, IEntrySource entrySource, CancellationToken cancellationToken)
+    {
+        if (entrySource is not PluginEntrySource source)
+            throw new InvalidOperationException("Can only create releases for plugins");
+      
+        // Submit the archive
+        HttpClient client = _httpClientFactory.CreateClient(WorkshopConstants.WORKSHOP_CLIENT_NAME);
+
+        // Construct the request
+        await using FileStream fileStream = File.Open(source.Path, FileMode.Open);
+        MultipartFormDataContent content = new();
+        StreamContent streamContent = new(fileStream);
+        streamContent.Headers.ContentType = new MediaTypeHeaderValue("application/zip");
+        content.Add(streamContent, "file", "file.zip");
+
+        // Submit
+        HttpResponseMessage response = await client.PostAsync("releases/upload/" + entryId, content, cancellationToken);
+        if (!response.IsSuccessStatusCode)
+            return EntryUploadResult.FromFailure($"{response.StatusCode} - {await response.Content.ReadAsStringAsync(cancellationToken)}");
+
+        Release? release = JsonConvert.DeserializeObject<Release>(await response.Content.ReadAsStringAsync(cancellationToken));
+        return release != null ? EntryUploadResult.FromSuccess(release) : EntryUploadResult.FromFailure("Failed to deserialize response");
+    }
+}

src/Artemis.WebClient.Workshop/Models/InstalledEntry.cs

@@ -97,7 +97,7 @@ public class InstalledEntry
     /// <param name="value">The value to set.</param>
     public void SetMetadata(string key, object value)
     {
-        _metadata.Add(key, value);
+        _metadata[key] = value;
     }
 
     /// <summary>
@@ -118,7 +118,7 @@ public class InstalledEntry
     {
         return new DirectoryInfo(Path.Combine(Constants.WorkshopFolder, $"{EntryId}-{StringUtilities.UrlFriendly(Name)}"));
     }
-    
+
     /// <summary>
     /// Returns the directory info of a release of this entry, where any files would be stored if applicable.
     /// </summary>

src/Artemis.WebClient.Workshop/Models/PersonalAccessToken.cs

@@ -1,3 +1,9 @@
 namespace Artemis.WebClient.Workshop.Models;
 
-public record PersonalAccessToken(string Key, DateTime CreationTime, DateTime? Expiration, string? Description);
+public class PersonalAccessToken
+{
+    public string Key { get; init; }
+    public DateTime CreationTime { get; init; }
+    public DateTime? Expiration { get; init; }
+    public string? Description { get; init; }
+}

src/Artemis.WebClient.Workshop/Services/Interfaces/IUserManagementService.cs

@@ -10,7 +10,7 @@ public interface IUserManagementService : IProtectedArtemisService
     Task<ApiResult> ChangeEmailAddress(string emailAddress, CancellationToken cancellationToken);
     Task<ApiResult> ChangeAvatar(Stream avatar, CancellationToken cancellationToken);
     Task<ApiResult> RemoveAccount(CancellationToken cancellationToken);
-    Task<string> CreatePersonAccessToken(string description, DateTimeOffset expirationDate, CancellationToken cancellationToken);
+    Task<string> CreatePersonAccessToken(string description, DateTime expirationDate, CancellationToken cancellationToken);
     Task<ApiResult> DeletePersonAccessToken(PersonalAccessToken personalAccessToken, CancellationToken cancellationToken);
     Task<List<PersonalAccessToken>> GetPersonAccessTokens(CancellationToken cancellationToken);
 }

src/Artemis.WebClient.Workshop/Services/Interfaces/IWorkshopService.cs

@@ -17,6 +17,7 @@ public interface IWorkshopService
     InstalledEntry? GetInstalledEntry(IEntryDetails entry);
     void RemoveInstalledEntry(InstalledEntry installedEntry);
     void SaveInstalledEntry(InstalledEntry entry);
+    void Initialize();
 
     public record WorkshopStatus(bool IsReachable, string Message);
 }

src/Artemis.WebClient.Workshop/Services/UserManagementService.cs

@@ -66,13 +66,13 @@ internal class UserManagementService : IUserManagementService
     }
 
     /// <inheritdoc />
-    public async Task<string> CreatePersonAccessToken(string description, DateTimeOffset expirationDate, CancellationToken cancellationToken)
+    public async Task<string> CreatePersonAccessToken(string description, DateTime expirationDate, CancellationToken cancellationToken)
     {
         HttpClient client = _httpClientFactory.CreateClient(WorkshopConstants.IDENTITY_CLIENT_NAME);
         HttpResponseMessage response = await client.PostAsync("user/access-token", JsonContent.Create(new {Description = description, ExpirationDate = expirationDate}), cancellationToken);
         response.EnsureSuccessStatusCode();
         
-        string? result = await response.Content.ReadFromJsonAsync<string>(cancellationToken: cancellationToken);
+        string? result = await response.Content.ReadAsStringAsync(cancellationToken);
         if (result == null)
             throw new ArtemisWebClientException("Failed to deserialize access token");
         return result;

src/Artemis.WebClient.Workshop/Services/WorkshopService.cs

@@ -1,23 +1,32 @@
 using System.Net.Http.Headers;
+using Artemis.Core;
+using Artemis.Core.Services;
 using Artemis.Storage.Entities.Workshop;
 using Artemis.Storage.Repositories.Interfaces;
 using Artemis.UI.Shared.Routing;
+using Artemis.WebClient.Workshop.Exceptions;
 using Artemis.WebClient.Workshop.Handlers.UploadHandlers;
 using Artemis.WebClient.Workshop.Models;
+using Serilog;
 
 namespace Artemis.WebClient.Workshop.Services;
 
 public class WorkshopService : IWorkshopService
 {
+    private readonly ILogger _logger;
     private readonly IHttpClientFactory _httpClientFactory;
     private readonly IRouter _router;
     private readonly IEntryRepository _entryRepository;
+    private readonly IPluginManagementService _pluginManagementService;
+    private bool _initialized;
 
-    public WorkshopService(IHttpClientFactory httpClientFactory, IRouter router, IEntryRepository entryRepository)
+    public WorkshopService(ILogger logger, IHttpClientFactory httpClientFactory, IRouter router, IEntryRepository entryRepository, IPluginManagementService pluginManagementService)
     {
+        _logger = logger;
         _httpClientFactory = httpClientFactory;
         _router = router;
         _entryRepository = entryRepository;
+        _pluginManagementService = pluginManagementService;
     }
 
     public async Task<Stream?> GetEntryIcon(long entryId, CancellationToken cancellationToken)
@@ -117,6 +126,7 @@ public class WorkshopService : IWorkshopService
         return status.IsReachable;
     }
 
+    /// <inheritdoc />
     public async Task NavigateToEntry(long entryId, EntryType entryType)
     {
         switch (entryType)
@@ -135,6 +145,7 @@ public class WorkshopService : IWorkshopService
         }
     }
 
+    /// <inheritdoc />
     public List<InstalledEntry> GetInstalledEntries()
     {
         return _entryRepository.GetAll().Select(e => new InstalledEntry(e)).ToList();
@@ -150,12 +161,6 @@ public class WorkshopService : IWorkshopService
         return new InstalledEntry(entity);
     }
 
-    /// <inheritdoc />
-    public void AddOrUpdateInstalledEntry(InstalledEntry entry, IRelease release)
-    {
-        throw new NotImplementedException();
-    }
-
     /// <inheritdoc />
     public void RemoveInstalledEntry(InstalledEntry installedEntry)
     {
@@ -168,4 +173,48 @@ public class WorkshopService : IWorkshopService
         entry.Save();
         _entryRepository.Save(entry.Entity);
     }
+
+    /// <inheritdoc />
+    public void Initialize()
+    {
+        if (_initialized)
+            throw new ArtemisWorkshopException("Workshop service is already initialized");
+        
+        RemoveOrphanedFiles();
+        _pluginManagementService.AdditionalPluginDirectories.AddRange(GetInstalledEntries().Where(e => e.EntryType == EntryType.Plugin).Select(e => e.GetReleaseDirectory()));
+        _initialized = true;
+    }
+    
+    private void RemoveOrphanedFiles()
+    {
+        List<InstalledEntry> entries = GetInstalledEntries();
+        foreach (string directory in Directory.GetDirectories(Constants.WorkshopFolder))
+        {
+            InstalledEntry? installedEntry = entries.FirstOrDefault(e => e.GetDirectory().FullName == directory);
+            if (installedEntry == null)
+                RemoveOrphanedDirectory(directory);
+            else
+            {
+                DirectoryInfo currentReleaseDirectory = installedEntry.GetReleaseDirectory();
+                foreach (string releaseDirectory in Directory.GetDirectories(directory))
+                {
+                    if (releaseDirectory != currentReleaseDirectory.FullName)
+                        RemoveOrphanedDirectory(releaseDirectory);
+                }
+            }
+        }
+    }
+
+    private void RemoveOrphanedDirectory(string directory)
+    {
+        _logger.Information("Removing orphaned workshop entry at {Directory}", directory);
+        try
+        {
+            Directory.Delete(directory, true);
+        }
+        catch (Exception e)
+        {
+            _logger.Warning(e, "Failed to remove orphaned workshop entry at {Directory}", directory);
+        }
+    }
 }