Implemented basic plugin store and improved plugin system

Moonlight/App/Models/Misc/OfficialMoonlightPlugin.cs

@@ -0,0 +1,6 @@
+namespace Moonlight.App.Models.Misc;
+
+public class OfficialMoonlightPlugin
+{
+    public string Name { get; set; }
+}

Moonlight/App/Perms/Permissions.cs

@@ -16,6 +16,13 @@ public static class Permissions
         Description = "View statistical information about the moonlight instance"
     };
     
+    public static Permission AdminSysPlugins = new()
+    {
+        Index = 2,
+        Name = "Admin system plugins",
+        Description = "View and install plugins"
+    };
+
     public static Permission AdminDomains = new()
     {
         Index = 4,

Moonlight/App/Plugin/MoonlightPlugin.cs

@@ -1,5 +1,4 @@
-using Moonlight.App.Plugin.UI;
+using Moonlight.App.Plugin.UI.Servers;
-using Moonlight.App.Plugin.UI.Servers;
 using Moonlight.App.Plugin.UI.Webspaces;
 
 namespace Moonlight.App.Plugin;
@@ -12,4 +11,5 @@ public abstract class MoonlightPlugin
     
     public Func<ServerPageContext, Task>? OnBuildServerPage { get; set; }
     public Func<WebspacePageContext, Task>? OnBuildWebspacePage { get; set; }
+    public Func<IServiceCollection, Task>? OnBuildServices { get; set; }
 }

Moonlight/App/Plugin/UI/Servers/ServerPageContext.cs

@@ -8,4 +8,5 @@ public class ServerPageContext
     public List<ServerSetting> Settings { get; set; } = new();
     public Server Server { get; set; }
     public User User { get; set; }
+    public string[] ImageTags { get; set; }
 }

Moonlight/App/Services/Files/StorageService.cs

@@ -16,6 +16,7 @@ public class StorageService
         Directory.CreateDirectory(PathBuilder.Dir("storage", "resources"));
         Directory.CreateDirectory(PathBuilder.Dir("storage", "backups"));
         Directory.CreateDirectory(PathBuilder.Dir("storage", "logs"));
+        Directory.CreateDirectory(PathBuilder.Dir("storage", "plugins"));
         
         if(IsEmpty(PathBuilder.Dir("storage", "resources")))
         {

Moonlight/App/Services/MoonlightService.cs

@@ -46,7 +46,7 @@ public class MoonlightService
 
         try
         {
-            var client = new GitHubClient(new ProductHeaderValue("Moonlight"));
+            var client = new GitHubClient(new ProductHeaderValue("Moonlight-Panel"));
             
             var pullRequests = await client.PullRequest.GetAllForRepository("Moonlight-Panel", "Moonlight", new PullRequestRequest
             {

Moonlight/App/Services/Plugins/PluginService.cs

@@ -1,25 +1,57 @@
 using System.Reflection;
-using Moonlight.App.Database.Entities;
+using System.Runtime.Loader;
 using Moonlight.App.Helpers;
 using Moonlight.App.Plugin;
-using Moonlight.App.Plugin.UI;
 using Moonlight.App.Plugin.UI.Servers;
 using Moonlight.App.Plugin.UI.Webspaces;
 
-namespace Moonlight.App.Services;
+namespace Moonlight.App.Services.Plugins;
 
 public class PluginService
 {
-    public List<MoonlightPlugin> Plugins { get; set; }
+    public List<MoonlightPlugin> Plugins { get; private set; }
+    public Dictionary<MoonlightPlugin, string> PluginFiles { get; private set; }
+
+    private AssemblyLoadContext LoadContext;
 
     public PluginService()
     {
-        LoadPlugins();
+        LoadContext = new(null, true);
+        ReloadPlugins().Wait();
     }
 
-    private void LoadPlugins()
+    private Task UnloadPlugins()
     {
         Plugins = new();
+        PluginFiles = new();
+        
+        if(LoadContext.Assemblies.Any())
+            LoadContext.Unload();
+
+        return Task.CompletedTask;
+    }
+    
+    public async Task ReloadPlugins()
+    {
+        await UnloadPlugins();
+        
+        // Try to update all plugins ending with .dll.cache
+        foreach (var pluginFile in Directory.EnumerateFiles(
+                         PathBuilder.Dir(Directory.GetCurrentDirectory(), "storage", "plugins"))
+                     .Where(x => x.EndsWith(".dll.cache")))
+        {
+            try
+            {
+                var realPath = pluginFile.Replace(".cache", "");
+                File.Copy(pluginFile, realPath, true);
+                File.Delete(pluginFile);
+                Logger.Info($"Updated plugin {realPath} on startup");
+            }
+            catch (Exception)
+            {
+                // ignored
+            }
+        }
 
         var pluginType = typeof(MoonlightPlugin);
         
@@ -27,7 +59,7 @@ public class PluginService
                      PathBuilder.Dir(Directory.GetCurrentDirectory(), "storage", "plugins"))
                      .Where(x => x.EndsWith(".dll")))
         {
-            var assembly = Assembly.LoadFile(pluginFile);
+            var assembly = LoadContext.LoadFromAssemblyPath(pluginFile);
 
             foreach (var type in assembly.GetTypes())
             {
@@ -38,6 +70,7 @@ public class PluginService
                     Logger.Info($"Loaded plugin '{plugin.Name}' ({plugin.Version}) by {plugin.Author}");
                     
                     Plugins.Add(plugin);
+                    PluginFiles.Add(plugin, pluginFile);
                 }
             }
         }
@@ -66,4 +99,13 @@ public class PluginService
 
         return context;
     }
+
+    public async Task BuildServices(IServiceCollection serviceCollection)
+    {
+        foreach (var plugin in Plugins)
+        {
+            if (plugin.OnBuildServices != null)
+                await plugin.OnBuildServices.Invoke(serviceCollection);
+        }
+    }
 }

Moonlight/App/Services/Plugins/PluginStoreService.cs

@@ -0,0 +1,63 @@
+using System.Text;
+using Moonlight.App.Helpers;
+using Moonlight.App.Models.Misc;
+using Octokit;
+
+namespace Moonlight.App.Services.Plugins;
+
+public class PluginStoreService
+{
+    private readonly GitHubClient Client;
+    private readonly PluginService PluginService;
+
+    public PluginStoreService(PluginService pluginService)
+    {
+        PluginService = pluginService;
+        Client = new(new ProductHeaderValue("Moonlight-Panel"));
+    }
+
+    public async Task<OfficialMoonlightPlugin[]> GetPlugins()
+    {
+        var items = await Client.Repository.Content.GetAllContents("Moonlight-Panel", "OfficialPlugins");
+
+        if (items == null)
+        {
+            Logger.Fatal("Unable to read plugin repo contents");
+            return Array.Empty<OfficialMoonlightPlugin>();
+        }
+
+        return items
+            .Where(x => x.Type == ContentType.Dir)
+            .Select(x => new OfficialMoonlightPlugin()
+            {
+                Name = x.Name
+            })
+            .ToArray();
+    }
+
+    public async Task<string> GetPluginReadme(OfficialMoonlightPlugin plugin)
+    {
+        var rawReadme = await Client.Repository.Content
+            .GetRawContent("Moonlight-Panel", "OfficialPlugins", $"{plugin.Name}/README.md");
+
+        if (rawReadme == null)
+            return "Error";
+
+        return Encoding.UTF8.GetString(rawReadme);
+    }
+
+    public async Task InstallPlugin(OfficialMoonlightPlugin plugin, bool updating = false)
+    {
+        var rawPlugin = await Client.Repository.Content
+            .GetRawContent("Moonlight-Panel", "OfficialPlugins", $"{plugin.Name}/{plugin.Name}.dll");
+
+        if (updating)
+        {
+            await File.WriteAllBytesAsync(PathBuilder.File("storage", "plugins", $"{plugin.Name}.dll.cache"), rawPlugin);
+            return;
+        }
+        
+        await File.WriteAllBytesAsync(PathBuilder.File("storage", "plugins", $"{plugin.Name}.dll"), rawPlugin);
+        await PluginService.ReloadPlugins();
+    }
+}

Moonlight/Program.cs

@@ -25,6 +25,7 @@ using Moonlight.App.Services.Interop;
 using Moonlight.App.Services.Mail;
 using Moonlight.App.Services.Minecraft;
 using Moonlight.App.Services.Notifications;
+using Moonlight.App.Services.Plugins;
 using Moonlight.App.Services.Sessions;
 using Moonlight.App.Services.Statistics;
 using Moonlight.App.Services.SupportChat;
@@ -110,6 +111,9 @@ namespace Moonlight
 
             var builder = WebApplication.CreateBuilder(args);
 
+            var pluginService = new PluginService();
+            await pluginService.BuildServices(builder.Services);
+
             // Switch to logging.net injection
             // TODO: Enable in production
             builder.Logging.ClearProviders();
@@ -208,6 +212,7 @@ namespace Moonlight
             builder.Services.AddScoped<PopupService>();
             builder.Services.AddScoped<SubscriptionService>();
             builder.Services.AddScoped<BillingService>();
+            builder.Services.AddSingleton<PluginStoreService>();
 
             builder.Services.AddScoped<SessionClientService>();
             builder.Services.AddSingleton<SessionServerService>();
@@ -239,7 +244,8 @@ namespace Moonlight
             builder.Services.AddSingleton<MalwareScanService>();
             builder.Services.AddSingleton<TelemetryService>();
             builder.Services.AddSingleton<TempMailService>();
-            builder.Services.AddSingleton<PluginService>();
+
+            builder.Services.AddSingleton(pluginService);
             
             // Other
             builder.Services.AddSingleton<MoonlightService>();
@@ -290,7 +296,6 @@ namespace Moonlight
             _ = app.Services.GetRequiredService<MalwareScanService>();
             _ = app.Services.GetRequiredService<TelemetryService>();
             _ = app.Services.GetRequiredService<TempMailService>();
-            _ = app.Services.GetRequiredService<PluginService>();
 
             _ = app.Services.GetRequiredService<MoonlightService>();
 

Moonlight/Shared/Components/Navigations/AdminSystemNavigation.razor

@@ -34,6 +34,11 @@
                     <TL>Mail</TL>
                 </a>
             </li>
+            <li class="nav-item mt-2">
+                <a class="nav-link text-active-primary ms-0 me-10 py-5 @(Index == 10 ? "active" : "")" href="/admin/system/plugins">
+                    <TL>Plugins</TL>
+                </a>
+            </li>
         </ul>
     </div>
 </div>

Moonlight/Shared/Views/Admin/Security/Logs.razor

@@ -40,6 +40,8 @@
     {
         SecurityLogs = SecurityLogRepository
             .Get()
+            .ToArray()
+            .OrderByDescending(x => x.CreatedAt)
             .ToArray();
 
         return Task.CompletedTask;

Moonlight/Shared/Views/Admin/Sys/Plugins.razor

@@ -0,0 +1,138 @@
+@page "/admin/system/plugins"
+
+@using Moonlight.Shared.Components.Navigations
+@using Moonlight.App.Services.Plugins
+@using BlazorTable
+@using Moonlight.App.Models.Misc
+@using Moonlight.App.Plugin
+@using Moonlight.App.Services
+@using Moonlight.App.Services.Interop
+
+@inject PluginStoreService PluginStoreService
+@inject SmartTranslateService SmartTranslateService
+@inject PluginService PluginService
+@inject ToastService ToastService
+@inject ModalService ModalService
+
+@attribute [PermissionRequired(nameof(Permissions.AdminSysPlugins))]
+
+<AdminSystemNavigation Index="10"/>
+
+<div class="card mb-5">
+    <div class="card-header">
+        <span class="card-title">
+            <TL>Installed plugins</TL>
+        </span>
+    </div>
+    <div class="card-body">
+        <div class="table-responsive">
+            <Table TableItem="MoonlightPlugin" Items="PluginService.Plugins" PageSize="25" TableClass="table table-row-bordered table-row-gray-100 align-middle gs-0 gy-3" TableHeadClass="fw-bold text-muted">
+                <Column TableItem="MoonlightPlugin" Title="@(SmartTranslateService.Translate("Name"))" Field="@(x => x.Name)" Filterable="true" Sortable="false"/>
+                <Column TableItem="MoonlightPlugin" Title="@(SmartTranslateService.Translate("Author"))" Field="@(x => x.Author)" Filterable="true" Sortable="false"/>
+                <Column TableItem="MoonlightPlugin" Title="@(SmartTranslateService.Translate("Version"))" Field="@(x => x.Version)" Filterable="true" Sortable="false"/>
+                <Column TableItem="MoonlightPlugin" Title="@(SmartTranslateService.Translate("Path"))" Field="@(x => x.Name)" Filterable="false" Sortable="false">
+                    <Template>
+                        @{
+                            var path = PluginService.PluginFiles[context];
+                        }
+
+                        <span>@(path)</span>
+                    </Template>
+                </Column>
+                <Pager ShowPageNumber="true" ShowTotalCount="true"/>
+            </Table>
+        </div>
+    </div>
+</div>
+
+<div class="card">
+    <div class="card-header">
+        <span class="card-title">
+            <TL>Official plugins</TL>
+        </span>
+    </div>
+    <div class="card-body">
+        <LazyLoader @ref="PluginsLazyLoader" Load="LoadOfficialPlugins">
+            <div class="table-responsive">
+                <Table TableItem="OfficialMoonlightPlugin" Items="PluginList" PageSize="25" TableClass="table table-row-bordered table-row-gray-100 align-middle gs-0 gy-3" TableHeadClass="fw-bold text-muted">
+                    <Column TableItem="OfficialMoonlightPlugin" Width="80%" Title="@(SmartTranslateService.Translate("Name"))" Field="@(x => x.Name)" Filterable="true" Sortable="false"/>
+                    <Column TableItem="OfficialMoonlightPlugin" Width="10%" Title="" Field="@(x => x.Name)" Filterable="false" Sortable="false">
+                        <Template>
+                            <WButton Text="@(SmartTranslateService.Translate("Show readme"))"
+                                     CssClasses="btn-secondary"
+                                     OnClick="() => ShowOfficialPluginReadme(context)"/>
+                        </Template>
+                    </Column>
+                    <Column TableItem="OfficialMoonlightPlugin" Width="10%" Title="" Field="@(x => x.Name)" Filterable="false" Sortable="false">
+                        <Template>
+                            @if (PluginService.PluginFiles.Values.Any(x =>
+                                Path.GetFileName(x).Replace(".dll", "") == context.Name))
+                            {
+                                <WButton Text="@(SmartTranslateService.Translate("Update"))"
+                                         WorkingText="@(SmartTranslateService.Translate("Updating"))"
+                                         CssClasses="btn-primary"
+                                         OnClick="() => UpdateOfficialPlugin(context)"/>
+                            }
+                            else
+                            {
+                                <WButton Text="@(SmartTranslateService.Translate("Install"))"
+                                         WorkingText="@(SmartTranslateService.Translate("Installing"))"
+                                         CssClasses="btn-primary"
+                                         OnClick="() => InstallOfficialPlugin(context)"/>
+                            }
+                        </Template>
+                    </Column>
+                    <Pager ShowPageNumber="true" ShowTotalCount="true"/>
+                </Table>
+            </div>
+        </LazyLoader>
+    </div>
+</div>
+
+<div id="pluginReadme" class="modal" style="display: none">
+    <div class="modal-dialog modal-dialog-centered modal-xl">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h5 class="modal-title">
+                    <TL>Plugin readme</TL>
+                </h5>
+                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+            </div>
+            <div class="modal-body">
+                @((MarkupString)Markdig.Markdown.ToHtml(PluginReadme))
+            </div>
+        </div>
+    </div>
+</div>
+
+@code
+{
+    private LazyLoader PluginsLazyLoader;
+    private OfficialMoonlightPlugin[] PluginList;
+    private string PluginReadme = "";
+
+    private async Task LoadOfficialPlugins(LazyLoader lazyLoader)
+    {
+        PluginList = await PluginStoreService.GetPlugins();
+    }
+
+    private async Task ShowOfficialPluginReadme(OfficialMoonlightPlugin plugin)
+    {
+        PluginReadme = await PluginStoreService.GetPluginReadme(plugin);
+        await InvokeAsync(StateHasChanged);
+        await ModalService.Show("pluginReadme");
+    }
+
+    private async Task InstallOfficialPlugin(OfficialMoonlightPlugin plugin)
+    {
+        await PluginStoreService.InstallPlugin(plugin);
+        await ToastService.Success(SmartTranslateService.Translate("Successfully installed plugin"));
+        await InvokeAsync(StateHasChanged);
+    }
+
+    private async Task UpdateOfficialPlugin(OfficialMoonlightPlugin plugin)
+    {
+        await PluginStoreService.InstallPlugin(plugin, true);
+        await ToastService.Success(SmartTranslateService.Translate("Successfully installed plugin. You need to reboot to apply changes"));
+    }
+}

Moonlight/Shared/Views/Server/Index.razor

@@ -11,6 +11,7 @@
 @using Moonlight.App.Plugin.UI.Servers
 @using Moonlight.App.Repositories
 @using Moonlight.App.Services
+@using Moonlight.App.Services.Plugins
 @using Moonlight.App.Services.Sessions
 @using Moonlight.Shared.Components.Xterm
 @using Moonlight.Shared.Views.Server.Settings
@@ -240,7 +241,8 @@
             Context = new ServerPageContext()
             {
                 Server = CurrentServer,
-                User = IdentityService.User
+                User = IdentityService.User,
+                ImageTags = Tags
             };
 
             Context.Tabs.Add(new()

Moonlight/Shared/Views/Webspace/Index.razor

@@ -6,6 +6,7 @@
 @using Microsoft.EntityFrameworkCore
 @using Moonlight.App.Helpers
 @using Moonlight.App.Plugin.UI.Webspaces
+@using Moonlight.App.Services.Plugins
 @using Moonlight.App.Services.Sessions
 
 @inject Repository<WebSpace> WebSpaceRepository