implement profile interaction registration through plugins (mute and vpn detection implementation)

Application/Main.cs

@@ -451,6 +451,7 @@ namespace IW4MAdmin.Application
                 .AddSingleton<IGeoLocationService>(new GeoLocationService(Path.Join(".", "Resources", "GeoLite2-Country.mmdb")))
                 .AddSingleton<IAlertManager, AlertManager>()
                 .AddTransient<IScriptPluginTimerHelper, ScriptPluginTimerHelper>()
+                .AddSingleton<IInteractionRegistration, InteractionRegistration>()
                 .AddSingleton(translationLookup)
                 .AddDatabaseContextOptions(appConfig);
 

Application/Misc/InteractionRegistration.cs

@@ -0,0 +1,132 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Data.Models;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using SharedLibraryCore.Interfaces;
+using InteractionRegistrationCallback =
+    System.Func<int?, Data.Models.Reference.Game?, System.Threading.CancellationToken,
+        System.Threading.Tasks.Task<SharedLibraryCore.Interfaces.IInteractionData>>;
+
+namespace IW4MAdmin.Application.Misc;
+
+public class InteractionRegistration : IInteractionRegistration
+{
+    private readonly ILogger<InteractionRegistration> _logger;
+    private readonly IServiceProvider _serviceProvider;
+    private readonly ConcurrentDictionary<string, InteractionRegistrationCallback> _interactions = new();
+
+    public InteractionRegistration(ILogger<InteractionRegistration> logger, IServiceProvider serviceProvider)
+    {
+        _logger = logger;
+        _serviceProvider = serviceProvider;
+    }
+
+    public void RegisterScriptInteraction(string interactionName, string source, Delegate interactionRegistration)
+    {
+        var plugin = _serviceProvider.GetRequiredService<IEnumerable<IPlugin>>()
+            .FirstOrDefault(plugin => plugin.Name == source);
+
+        if (plugin is not ScriptPlugin scriptPlugin)
+        {
+            return;
+        }
+
+        var wrappedDelegate = (int? clientId, Reference.Game? game, CancellationToken token) =>
+            Task.FromResult(
+                scriptPlugin.WrapDelegate<IInteractionData>(interactionRegistration, clientId, game, token));
+
+        if (!_interactions.ContainsKey(interactionName))
+        {
+            _interactions.TryAdd(interactionName, wrappedDelegate);
+        }
+        else
+        {
+            _interactions[interactionName] = wrappedDelegate;
+        }
+    }
+
+    public void RegisterInteraction(string interactionName, InteractionRegistrationCallback interactionRegistration)
+    {
+        if (!_interactions.ContainsKey(interactionName))
+        {
+            _interactions.TryAdd(interactionName, interactionRegistration);
+        }
+        else
+        {
+            _interactions[interactionName] = interactionRegistration;
+        }
+    }
+
+    public void UnregisterInteraction(string interactionName)
+    {
+        if (_interactions.ContainsKey(interactionName))
+        {
+            _interactions.TryRemove(interactionName, out _);
+        }
+    }
+
+    public async Task<IEnumerable<IInteractionData>> GetInteractions(int? clientId = null,
+        Reference.Game? game = null, CancellationToken token = default)
+    {
+        return (await Task.WhenAll(_interactions.Select(async kvp =>
+        {
+            try
+            {
+                return await kvp.Value(clientId, game, token);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogWarning(ex,
+                    "Could not get interaction for interaction {InteractionName} and ClientId {ClientId}", kvp.Key,
+                    clientId);
+                return null;
+            }
+        }))).Where(interaction => interaction is not null);
+    }
+
+    public async Task<string> ProcessInteraction(string interactionId, int? clientId = null,
+        Reference.Game? game = null, CancellationToken token = default)
+    {
+        if (!_interactions.ContainsKey(interactionId))
+        {
+            throw new ArgumentException($"Interaction with ID {interactionId} has not been registered");
+        }
+
+        try
+        {
+            var interaction = await _interactions[interactionId](clientId, game, token);
+
+            if (interaction.Action is not null)
+            {
+                return await interaction.Action(clientId, game, token);
+            }
+
+            if (interaction.ScriptAction is not null)
+            {
+                foreach (var plugin in _serviceProvider.GetRequiredService<IEnumerable<IPlugin>>())
+                {
+                    if (plugin is not ScriptPlugin scriptPlugin || scriptPlugin.Name != interaction.Source)
+                    {
+                        continue;
+                    }
+
+                    return scriptPlugin.ExecuteAction<string>(interaction.ScriptAction, clientId, game, token);
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarning(ex,
+                "Could not process interaction for interaction {InteractionName} and ClientId {ClientId}",
+                interactionId,
+                clientId);
+        }
+
+        return null;
+    }
+}

Application/Misc/ScriptPlugin.cs

@@ -339,6 +339,41 @@ namespace IW4MAdmin.Application.Misc
             return Task.CompletedTask;
         }
 
+        public T ExecuteAction<T>(Delegate action, params object[] param)
+        {
+            try
+            {
+                _onProcessing.Wait();
+                var args = param.Select(p => JsValue.FromObject(_scriptEngine, p)).ToArray();
+                var result = action.DynamicInvoke(JsValue.Undefined, args);
+                return (T)(result as JsValue)?.ToObject();
+            }
+            finally
+            {
+                if (_onProcessing.CurrentCount == 0)
+                {
+                    _onProcessing.Release(1);
+                }
+            }
+        }
+        
+        public T WrapDelegate<T>(Delegate act, params object[] args)
+        {
+            try
+            {
+                _onProcessing.Wait();
+                return (T)(act.DynamicInvoke(JsValue.Null,
+                    args.Select(arg => JsValue.FromObject(_scriptEngine, arg)).ToArray()) as ObjectWrapper)?.ToObject();
+            }
+            finally
+            {
+                if (_onProcessing.CurrentCount == 0)
+                {
+                    _onProcessing.Release(1);
+                }
+            }
+        }
+
         /// <summary>
         /// finds declared script commands in the script plugin
         /// </summary>