Added .eval command. Very dangerous, don't use.

src/NadekoBot/Modules/Utility/Utility.cs

@@ -1,4 +1,7 @@
 #nullable disable
+using Microsoft.CodeAnalysis.CSharp.Scripting;
+using Microsoft.CodeAnalysis.Scripting;
+using NadekoBot.Modules.Utility.Services;
 using Newtonsoft.Json;
 using System.Diagnostics;
 using System.Text;
@@ -32,6 +35,7 @@ public partial class Utility : NadekoModule
     private readonly IBotCredentials _creds;
     private readonly DownloadTracker _tracker;
     private readonly IHttpClientFactory _httpFactory;
+    private readonly VerboseErrorsService _veService;
 
     public Utility(
         DiscordSocketClient client,
@@ -39,7 +43,8 @@ public partial class Utility : NadekoModule
         IStatsService stats,
         IBotCredentials creds,
         DownloadTracker tracker,
-        IHttpClientFactory httpFactory)
+        IHttpClientFactory httpFactory,
+        VerboseErrorsService veService)
     {
         _client = client;
         _coord = coord;
@@ -47,6 +52,7 @@ public partial class Utility : NadekoModule
         _creds = creds;
         _tracker = tracker;
         _httpFactory = httpFactory;
+        _veService = veService;
     }
     
     [Cmd]
@@ -483,43 +489,16 @@ public partial class Utility : NadekoModule
         }
     }
     
+    [Cmd]
+    [RequireContext(ContextType.Guild)]
+    [UserPerm(GuildPerm.ManageMessages)]
+    public async partial Task VerboseError(bool? newstate = null)
+    {
+        var state = _veService.ToggleVerboseErrors(ctx.Guild.Id, newstate);
 
-    // [NadekoCommand, Usage, Description, Aliases]
+        if (state)
-    // [RequireContext(ContextType.Guild)]
+            await ReplyConfirmLocalizedAsync(strs.verbose_errors_enabled);
-    // public async Task CreateMyInvite(CreateInviteType type = CreateInviteType.Any)
+        else
-    // {
+            await ReplyConfirmLocalizedAsync(strs.verbose_errors_disabled);
-    //     if (type == CreateInviteType.Any)
+    }
-    //     {
-    //         if (_inviteService.TryGetInvite(type, out var code))
-    //         {
-    //             await ReplyErrorLocalizedAsync(strs.your_invite($"https://discord.gg/{code}"));
-    //             return;
-    //         }
-    //     }
-    //     
-    //     var invite = await ((ITextChannel) ctx.Channel).CreateInviteAsync(isUnique: true);
-    // }
-    //
-    // [NadekoCommand, Usage, Description, Aliases]
-    // [RequireContext(ContextType.Guild)]
-    // public async partial Task InviteLb(int page = 1)
-    // {
-    //     if (--page < 0)
-    //         return;
-    //
-    //     var inviteUsers = await _inviteService.GetInviteUsersAsync(ctx.Guild.Id);
-    //     
-    //     var embed = _eb.Create()
-    //         .WithOkColor();
-    //
-    //     await ctx.SendPaginatedConfirmAsync(page, (curPage) =>
-    //     {
-    //         var items = inviteUsers.Skip(curPage * 9).Take(9);
-    //         var i = 0;
-    //         foreach (var item in items)
-    //             embed.AddField($"#{curPage * 9 + ++i} {item.UserName} [{item.User.Id}]", item.InvitedUsers);
-    //
-    //         return embed;
-    //     }, inviteUsers.Count, 9);
-    // }
 }

src/NadekoBot/Modules/Utility/VerboseErrors/EvalCommands.cs

@@ -0,0 +1,76 @@
+#nullable disable
+using Microsoft.CodeAnalysis.CSharp.Scripting;
+using Microsoft.CodeAnalysis.Scripting;
+
+namespace NadekoBot.Modules.Utility;
+
+public partial class Utility
+{
+    [Group]
+    public partial class EvalCommands : NadekoModule
+    {
+        private readonly IServiceProvider _services;
+
+        public EvalCommands(IServiceProvider services)
+        {
+            _services = services;
+        }
+        
+        [Cmd]
+        [NoPublicBot]
+        [OwnerOnly]
+        public async partial Task Eval([Leftover] string scriptText)
+        {
+            _ = ctx.Channel.TriggerTypingAsync();
+
+            if (scriptText.StartsWith("```cs"))
+                scriptText = scriptText[5..];
+            else if (scriptText.StartsWith("```"))
+                scriptText = scriptText[3..];
+
+            if (scriptText.EndsWith("```"))
+                scriptText = scriptText[..^3];
+            
+            var script = CSharpScript.Create(scriptText,
+                ScriptOptions.Default
+                             .WithReferences(this.GetType().Assembly)
+                             .WithImports(
+                                 "System",
+                                 "NadekoBot",
+                                 "NadekoBot.Extensions",
+                                 "Microsoft.Extensions.DependencyInjection",
+                                 "NadekoBot.Common",
+                                 "System.Text",
+                                 "System.Text.Json"),
+                globalsType: typeof(EvalGlobals));
+            
+            try
+            {
+                var result = await script.RunAsync(new EvalGlobals()
+                {
+                    ctx = this.ctx,
+                    guild = this.ctx.Guild,
+                    channel = this.ctx.Channel,
+                    user = this.ctx.User,
+                    self = this,
+                    services = _services
+                });
+
+                var output = result.ReturnValue?.ToString();
+                if (!string.IsNullOrWhiteSpace(output))
+                {
+                    var eb = _eb.Create(ctx)
+                                .WithOkColor()
+                                .AddField("Code", scriptText)
+                                .AddField("Output", output.TrimTo(512)!);
+
+                    _ = ctx.Channel.EmbedAsync(eb);
+                }
+            }
+            catch (Exception ex)
+            {
+                await SendErrorAsync(ex.Message);
+            }
+        }
+    }
+}

src/NadekoBot/Modules/Utility/VerboseErrors/EvalGlobals.cs

@@ -0,0 +1,13 @@
+// ReSharper disable InconsistentNaming
+#nullable disable
+namespace NadekoBot.Modules.Utility;
+
+public class EvalGlobals
+{
+    public ICommandContext ctx;
+    public Utility.EvalCommands self;
+    public IUser user;
+    public IMessageChannel channel;
+    public IGuild guild;
+    public IServiceProvider services;
+}

src/NadekoBot/Modules/Utility/VerboseErrors/VerboseErrorCommands.cs

@@ -1,24 +0,0 @@
-#nullable disable
-using NadekoBot.Modules.Utility.Services;
-
-namespace NadekoBot.Modules.Utility;
-
-public partial class Utility
-{
-    [Group]
-    public partial class VerboseErrorCommands : NadekoModule<VerboseErrorsService>
-    {
-        [Cmd]
-        [RequireContext(ContextType.Guild)]
-        [UserPerm(GuildPerm.ManageMessages)]
-        public async partial Task VerboseError(bool? newstate = null)
-        {
-            var state = _service.ToggleVerboseErrors(ctx.Guild.Id, newstate);
-
-            if (state)
-                await ReplyConfirmLocalizedAsync(strs.verbose_errors_enabled);
-            else
-                await ReplyConfirmLocalizedAsync(strs.verbose_errors_disabled);
-        }
-    }
-}

src/NadekoBot/NadekoBot.csproj

@@ -39,6 +39,7 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
         <PackageReference Include="Html2Markdown" Version="5.0.2.561" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="4.2.0" />
         
         <PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.1" />
         <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="6.0.1" />

src/NadekoBot/data/aliases.yml

@@ -1306,3 +1306,5 @@ patron:
 patronmessage:
   - patronmessage
   - patronmsg
+eval: 
+  - eval

src/NadekoBot/data/strings/commands/commands.en-US.yml

@@ -2215,3 +2215,17 @@ patronmessage:
   desc: "Sends a message to all patrons of the specified tier and higher. Supports embeds."
   args:
     - "x hello"
+eval:
+  desc: |- 
+    Execute arbitrary C# code and (optionally) return a result. Several namespaces are included by default.
+    Special variables available: 
+    `self` - Instance of the command group executing the command (this)
+    `guild` - Server in which the command is executed
+    `channel` - Channel in which the command is executed
+    `user` - User executing the command
+    `ctx` - Discord.Net command context
+    `services` - Nadeko's IServiceProvider
+  args:
+    - "123 / 4.5f"
+    - "await ctx.OkAsync();"
+    - 'await ctx.SendConfirmAsync("uwu");'