introduction of nuget packages as plugins support

Torch.API/ITorchConfig.cs

@@ -33,6 +33,7 @@ namespace Torch
         bool EntityManagerEnabled { get; set; }
         string LoginToken { get; set; }
         UpdateSource UpdateSource { get; set; }
+        List<string> Packages { get; set; }
 
         void Save(string path = null);
     }

Torch.API/Managers/IPackageManager.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Reflection;
+using System.Runtime.Loader;
+using Torch.API.WebAPI.Plugins;
+
+namespace Torch.API.Managers;
+
+public interface IPackageManager : IManager
+{
+    IReadOnlySet<Package> Packages { get; }
+
+    bool TryGetPackageAssemblies(Package package, [MaybeNullWhen(false)] out Assembly[] assemblies);
+}

Torch.API/Torch.API.csproj

@@ -18,10 +18,13 @@
   <ItemGroup>
     <PackageReference Include="JorgeSerrano.Json.JsonSnakeCaseNamingPolicy" Version="0.9.0" />
     <PackageReference Include="NLog" Version="5.1.0" />
+    <PackageReference Include="NuGet.Commands" Version="6.4.0" />
+    <PackageReference Include="NuGet.DependencyResolver.Core" Version="6.4.0" />
     <PackageReference Include="SemanticVersioning" Version="2.0.2" />
     <PackageReference Include="SpaceEngineersDedicated.ReferenceAssemblies" Version="1.201.13">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>compile</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="System.Linq.Async" Version="6.0.1" />
   </ItemGroup>
 </Project>

Torch.API/WebAPI/Plugins/IPackageItem.cs

@@ -0,0 +1,11 @@
+#nullable enable
+using System.IO;
+using System.Threading.Tasks;
+
+namespace Torch.API.WebAPI.Plugins;
+
+public interface IPackageItem
+{
+    Task<Stream> OpenFileAsync();
+    public string FileName { get; }
+}

Torch.API/WebAPI/Plugins/IPackageReader.cs

@@ -0,0 +1,12 @@
+#nullable enable
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Torch.API.WebAPI.Plugins;
+
+public interface IPackageReader
+{
+    Task<(IEnumerable<IPackageItem> Root, IReadOnlyDictionary<PackageDependency, IEnumerable<IPackageItem>> Dependencies)> GetItemsAsync();
+}

Torch.API/WebAPI/Plugins/IPackageResolver.cs

@@ -0,0 +1,11 @@
+#nullable enable
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Torch.API.WebAPI.Plugins;
+
+public interface IPackageResolver
+{
+    Task<IEnumerable<Package>> ResolvePackagesAsync(IReadOnlyDictionary<string, string> packages);
+    Task<IPackageReader> GetPackageAsync(Package package);
+}

Torch.API/WebAPI/Plugins/NLogLogger.cs

@@ -0,0 +1,87 @@
+#nullable enable
+using System;
+using System.Threading.Tasks;
+using NuGet.Common;
+
+namespace Torch.API.WebAPI.Plugins;
+
+internal class NLogLogger : ILogger
+{
+    private readonly NLog.ILogger _logger;
+
+    public NLogLogger(NLog.ILogger logger)
+    {
+        _logger = logger;
+    }
+
+    public void LogDebug(string data)
+    {
+        _logger.Debug(data);
+    }
+
+    public void LogVerbose(string data)
+    {
+        _logger.Trace(data);
+    }
+
+    public void LogInformation(string data)
+    {
+        _logger.Info(data);
+    }
+
+    public void LogMinimal(string data)
+    {
+        _logger.Debug(data);
+    }
+
+    public void LogWarning(string data)
+    {
+        _logger.Warn(data);
+    }
+
+    public void LogError(string data)
+    {
+        _logger.Error(data);
+    }
+
+    public void LogInformationSummary(string data)
+    {
+        _logger.Info(data);
+    }
+
+    public void Log(LogLevel level, string data)
+    {
+        _logger.Log(ToNLogLevel(level), data);
+    }
+
+    private static NLog.LogLevel ToNLogLevel(LogLevel level)
+    {
+        return level switch
+        {
+            LogLevel.Debug => NLog.LogLevel.Debug,
+            LogLevel.Verbose => NLog.LogLevel.Trace,
+            LogLevel.Information => NLog.LogLevel.Info,
+            LogLevel.Minimal => NLog.LogLevel.Debug,
+            LogLevel.Warning => NLog.LogLevel.Warn,
+            LogLevel.Error => NLog.LogLevel.Error,
+            _ => throw new ArgumentOutOfRangeException(nameof(level), level, null)
+        };
+    }
+
+    public Task LogAsync(LogLevel level, string data)
+    {
+        Log(level, data);
+        return Task.CompletedTask;
+    }
+
+    public void Log(ILogMessage message)
+    {
+        _logger.Log(ToNLogLevel(message.Level), message.FormatWithCode);
+    }
+
+    public Task LogAsync(ILogMessage message)
+    {
+        Log(message);
+        return Task.CompletedTask;
+    }
+}

Torch.API/WebAPI/Plugins/Package.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using NuGet.DependencyResolver;
+using SemanticVersioning;
+
+namespace Torch.API.WebAPI.Plugins;
+
+public record Package(string Name, Version Version, IReadOnlySet<PackageDependency> Dependencies)
+{
+    internal GraphItem<RemoteResolveResult> Graph { get; init; }
+}

Torch.API/WebAPI/Plugins/PackageDependency.cs

@@ -0,0 +1,9 @@
+using NuGet.DependencyResolver;
+using SemanticVersioning;
+
+namespace Torch.API.WebAPI.Plugins;
+
+public record PackageDependency(string Name, Version Version, PackageDependencyKind Kind)
+{
+    internal RemoteMatch Match { get; init; }
+}

Torch.API/WebAPI/Plugins/PackageDependencyKind.cs

@@ -0,0 +1,8 @@
+namespace Torch.API.WebAPI.Plugins;
+
+public enum PackageDependencyKind
+{
+    None,
+    Transitive,
+    Direct
+}

Torch.API/WebAPI/Plugins/PackageReader.cs

@@ -0,0 +1,91 @@
+#nullable enable
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using NuGet.Common;
+using NuGet.DependencyResolver;
+using NuGet.Frameworks;
+using NuGet.Packaging;
+using NuGet.Protocol.Core.Types;
+using NuGet.Versioning;
+
+namespace Torch.API.WebAPI.Plugins;
+
+public class PackageReader : IPackageReader
+{
+    private readonly Package _package;
+    private readonly SourceCacheContext _cacheContext;
+    private readonly ILogger _logger;
+    private readonly NuGetFramework _framework;
+    private readonly IFrameworkCompatibilityProvider _compatibilityProvider;
+    private readonly DirectoryInfo _packagesDirectory;
+
+    public PackageReader(Package package, SourceCacheContext cacheContext, ILogger logger, NuGetFramework framework,
+                         IFrameworkCompatibilityProvider compatibilityProvider, DirectoryInfo packagesDirectory)
+    {
+        _package = package;
+        _cacheContext = cacheContext;
+        _logger = logger;
+        _framework = framework;
+        _compatibilityProvider = compatibilityProvider;
+        _packagesDirectory = packagesDirectory;
+    }
+
+    public async Task<(IEnumerable<IPackageItem> Root, IReadOnlyDictionary<PackageDependency, IEnumerable<IPackageItem>>
+            Dependencies)>
+        GetItemsAsync()
+    {
+        async Task<IEnumerable<IPackageItem>> GetPackageItemsAsync(string id, NuGetVersion version,
+                                                                   IRemoteDependencyProvider provider)
+        {
+            var downloader =
+                await provider.GetPackageDownloaderAsync(new(id, version), _cacheContext, _logger,
+                                                         CancellationToken.None);
+
+            await downloader.CopyNupkgFileToAsync(Path.Combine(_packagesDirectory.FullName, $"{id}.{version}.nupkg"),
+                                                  CancellationToken.None);
+
+            var frameworks = await downloader.ContentReader.GetReferenceItemsAsync(CancellationToken.None);
+            var items = frameworks.Where(b => _compatibilityProvider.IsCompatible(_framework, b.TargetFramework))
+                                  .MaxBy(b => b.TargetFramework.Version)?.Items;
+
+            return items?.Select(b => new PackageItem(b, downloader)) ?? ImmutableArray<PackageItem>.Empty;
+        }
+
+        var rootIdentity = _package.Graph.Key;
+        return (await GetPackageItemsAsync(rootIdentity.Name, rootIdentity.Version, _package.Graph.Data.Match.Provider),
+            await _package.Dependencies.ToAsyncEnumerable().SelectManyAwait(async b =>
+                                                                                (await GetPackageItemsAsync(
+                                                                                    b.Match.Library.Name,
+                                                                                    b.Match.Library.Version,
+                                                                                    b.Match.Provider))
+                                                                                .ToAsyncEnumerable()
+                                                                                .Select(c => (b, c)))
+                          .GroupBy(b => b.b, b => b.c)
+                          .ToDictionaryAwaitAsync<IAsyncGrouping<PackageDependency, IPackageItem>, PackageDependency,
+                              IEnumerable<IPackageItem>>(b => ValueTask.FromResult(b.Key),
+                                                         async b => await b.ToArrayAsync()));
+    }
+}
+
+file class PackageItem : IPackageItem
+{
+    private readonly string _path;
+    private readonly IPackageDownloader _downloader;
+
+    public string FileName => Path.GetFileName(_path);
+
+    public PackageItem(string path, IPackageDownloader downloader)
+    {
+        _path = path;
+        _downloader = downloader;
+    }
+
+    public Task<Stream> OpenFileAsync()
+    {
+        return _downloader.CoreReader.GetStreamAsync(_path, CancellationToken.None);
+    }
+}

Torch.API/WebAPI/Plugins/PackageResolver.cs

@@ -0,0 +1,104 @@
+#nullable enable
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using NLog;
+using NuGet.Commands;
+using NuGet.Configuration;
+using NuGet.DependencyResolver;
+using NuGet.Frameworks;
+using NuGet.LibraryModel;
+using NuGet.Protocol;
+using NuGet.Protocol.Core.Types;
+using NuGet.Versioning;
+using Version = SemanticVersioning.Version;
+
+namespace Torch.API.WebAPI.Plugins;
+
+public class PackageResolver : IPackageResolver
+{
+    private static readonly ILogger Log = LogManager.GetCurrentClassLogger();
+
+    private readonly NuGetFramework _framework = NuGetFramework.Parse("net7.0-windows7.0");
+    private readonly NLogLogger _logger = new(Log);
+    private readonly SourceCacheContext _sourceCacheContext = new();
+    private readonly RemoteWalkContext _remoteWalkContext;
+    private readonly DirectoryInfo _packagesDirectory;
+    private readonly IFrameworkCompatibilityProvider _compatibilityProvider = DefaultCompatibilityProvider.Instance;
+
+    public PackageResolver(IEnumerable<PackageSource> sources, DirectoryInfo packagesDirectory)
+    {
+        _packagesDirectory = packagesDirectory;
+        IReadOnlySet<PackageSource> packageSources = sources.Where(b => b.Type is PackageSourceType.NuGet).ToImmutableHashSet();
+
+        var mapping = new PackageSourceMapping(packageSources.ToDictionary(b => b.Name, b => b.Patterns));
+        _remoteWalkContext = new RemoteWalkContext(_sourceCacheContext, mapping, _logger);
+
+        foreach (var (name, url, _, _) in packageSources)
+        {
+            var packageSource = new NuGet.Configuration.PackageSource(url, name);
+            var sourceRepository = new SourceRepository(packageSource, new INuGetResourceProvider[]
+            {
+                new DownloadResourceV3Provider(),
+                new DependencyInfoResourceV3Provider(),
+                new ServiceIndexResourceV3Provider(),
+                new RemoteV3FindPackageByIdResourceProvider(),
+                new V3FeedListResourceProvider(),
+                new HttpSourceResourceProvider(),
+                new RegistrationResourceV3Provider(),
+                new HttpHandlerResourceV3Provider()
+            }.Select(b => new Lazy<INuGetResourceProvider>(b)), FeedType.HttpV3);
+
+            _remoteWalkContext.RemoteLibraryProviders.Add(
+                new SourceRepositoryDependencyProvider(sourceRepository, _logger, _sourceCacheContext, true, false));
+        }
+    }
+
+    public async Task<IEnumerable<Package>> ResolvePackagesAsync(
+        IReadOnlyDictionary<string, string> packages)
+    {
+        Log.Info("Restoring {0} packages", packages.Count);
+
+        var graphs = await Task.WhenAll(packages.Select(b =>
+        {
+            var (key, versionRange) = b;
+            var libraryRange = new LibraryRange(key, VersionRange.Parse(versionRange), LibraryDependencyTarget.All);
+            return ResolverUtility.FindLibraryEntryAsync(libraryRange, _framework, "win-x64",
+                                                         _remoteWalkContext, CancellationToken.None);
+        }));
+
+        return await graphs.ToAsyncEnumerable().SelectAwait(async graph =>
+        {
+            return new Package(graph.Key.Name, Version.Parse(graph.Key.Version.ToFullString()),
+                               await graph.Data.Dependencies
+                                          .ToAsyncEnumerable()
+                                          .SelectAwait(async b =>
+                                          {
+                                              var match = await ResolverUtility.FindLibraryByVersionAsync(
+                                                  b.LibraryRange, _framework, _remoteWalkContext.RemoteLibraryProviders,
+                                                  _sourceCacheContext, _logger, CancellationToken.None);
+
+                                              return new PackageDependency(
+                                                  b.Name, Version.Parse(match.Library.Version.ToFullString()),
+                                                  (PackageDependencyKind)b.ReferenceType)
+                                              {
+                                                  Match = match
+                                              };
+                                          })
+                                          .ToHashSetAsync())
+            {
+                Graph = graph
+            };
+        }).ToArrayAsync();
+    }
+
+    public Task<IPackageReader> GetPackageAsync(Package package)
+    {
+        var reader = new PackageReader(package, _sourceCacheContext, _logger, _framework, _compatibilityProvider, _packagesDirectory);
+        return Task.FromResult<IPackageReader>(reader);
+    }
+}

Torch.API/WebAPI/Plugins/PackageSource.cs

@@ -0,0 +1,8 @@
+using System.Collections.Generic;
+
+namespace Torch.API.WebAPI.Plugins;
+
+#nullable enable
+public record PackageSource
+#nullable restore
+    (string Name, string Url, IReadOnlyList<string> Patterns, PackageSourceType Type);

Torch.API/WebAPI/Plugins/PackageSourceType.cs

@@ -0,0 +1,8 @@
+#nullable enable
+namespace Torch.API.WebAPI.Plugins;
+
+public enum PackageSourceType
+{
+    NuGet,
+    LegacyTorch
+}

Torch.API/packages.lock.json

@@ -14,6 +14,27 @@
         "resolved": "5.1.0",
         "contentHash": "oW7ekrkRG9okpDMUcEglunWj8Qf2RY8qkgl+/chJoavzg3dbT13y32t19R54FKkmq80fKzw4ZekZkCrRGanKgQ=="
       },
+      "NuGet.Commands": {
+        "type": "Direct",
+        "requested": "[6.4.0, )",
+        "resolved": "6.4.0",
+        "contentHash": "j3ma45boGZADsHpJcu3Y2yq+n2luicC6ezd61TXTTzbOzA452oAPaSsFGUB1stIsuP/DVoqkTzjHXjaCHuJKPQ==",
+        "dependencies": {
+          "NuGet.Credentials": "6.4.0",
+          "NuGet.ProjectModel": "6.4.0"
+        }
+      },
+      "NuGet.DependencyResolver.Core": {
+        "type": "Direct",
+        "requested": "[6.4.0, )",
+        "resolved": "6.4.0",
+        "contentHash": "AKomZEKuhQlshujuiHbKvwl2cZNGq3SHsXFbpjCfCjMFMLwwA8saJGQQZp1lzsqQWcQWa6hLOcPtm7T3rd0SVg==",
+        "dependencies": {
+          "NuGet.Configuration": "6.4.0",
+          "NuGet.LibraryModel": "6.4.0",
+          "NuGet.Protocol": "6.4.0"
+        }
+      },
       "SemanticVersioning": {
         "type": "Direct",
         "requested": "[2.0.2, )",
@@ -29,10 +50,128 @@
           "protobuf-net": "1.0.0"
         }
       },
+      "System.Linq.Async": {
+        "type": "Direct",
+        "requested": "[6.0.1, )",
+        "resolved": "6.0.1",
+        "contentHash": "0YhHcaroWpQ9UCot3Pizah7ryAzQhNvobLMSxeDIGmnXfkQn8u5owvpOH0K6EVB+z9L7u6Cc4W17Br/+jyttEQ==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "6.0.0"
+        }
+      },
+      "Microsoft.Bcl.AsyncInterfaces": {
+        "type": "Transitive",
+        "resolved": "6.0.0",
+        "contentHash": "UcSjPsst+DfAdJGVDsu346FX0ci0ah+lw3WRtn18NUwEqRt70HaOQ7lI72vy3+1LxtqI3T5GWwV39rQSrCzAeg=="
+      },
+      "Newtonsoft.Json": {
+        "type": "Transitive",
+        "resolved": "13.0.1",
+        "contentHash": "ppPFpBcvxdsfUonNcvITKqLl3bqxWbDCZIzDWHzjpdAHRFfZe0Dw9HmA0+za13IdyrgJwpkDTDA9fHaxOrt20A=="
+      },
+      "NuGet.Common": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "srECugLk+LB1bXelDCDhHoi6do/EYTXzuntKhjHraS4roVB3NfWohEdCSiAPdpSV9M40Q6jo6MV2Srml9e+jHQ==",
+        "dependencies": {
+          "NuGet.Frameworks": "6.4.0"
+        }
+      },
+      "NuGet.Configuration": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "vPjauG9AoacEjiZWGIs+d11FCRVmseqAw78FIApfLvZrYMEbbwc9vc0LdC3PpoW5FxYkktyZSiiXVKXGLu+gXw==",
+        "dependencies": {
+          "NuGet.Common": "6.4.0",
+          "System.Security.Cryptography.ProtectedData": "4.4.0"
+        }
+      },
+      "NuGet.Credentials": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "tebsxclknVz3D4FrvE2MzVcsOyf6PffjGNQ77X9Yvbj9x5YpVWfumVPetqETcdsNEgiN0bBzfMre33lhrY7Itw==",
+        "dependencies": {
+          "NuGet.Protocol": "6.4.0"
+        }
+      },
+      "NuGet.Frameworks": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "qcufbjJIDtyY/Hah7JJfcRVpRYM3scgPqYBnukjO9kfADCFGr2azvVBozuwzljA6w/cR3w8bXLq6vW5xGrsmHw=="
+      },
+      "NuGet.LibraryModel": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "K6ROQpWr34Aje81G0HfipiznLTB8vD4BO8sF6FEwx1KjJVdFkSmGZPmAhc6L1vZPs8TKY5BqoH72zG13zVzW2w==",
+        "dependencies": {
+          "NuGet.Common": "6.4.0",
+          "NuGet.Versioning": "6.4.0"
+        }
+      },
+      "NuGet.Packaging": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "aR10aYqcUMGC2mwMGH5rls/MGaz3EVH8DKTTHQ/EC91hXNtrCTTAQonaRR+v1EItcoxtQeZ/WQOorv4z270Tgg==",
+        "dependencies": {
+          "Newtonsoft.Json": "13.0.1",
+          "NuGet.Configuration": "6.4.0",
+          "NuGet.Versioning": "6.4.0",
+          "System.Security.Cryptography.Cng": "5.0.0",
+          "System.Security.Cryptography.Pkcs": "5.0.0"
+        }
+      },
+      "NuGet.ProjectModel": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "eW9Q7vPk8cpXDd5b+vtIPkl8dSDCPkPJPrjXPTfZGxhstldnhJrj1XPaonsDZLQ24YY7LrYCzC0BiHh3iO5zUA==",
+        "dependencies": {
+          "NuGet.DependencyResolver.Core": "6.4.0"
+        }
+      },
+      "NuGet.Protocol": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "KIPjsWP0P3EMsDsXaa6YBCTvYKur/zI0luS1kO5G37ci8mHs2kJFsuG5qaMhGvgyHASu54sxlic1n1oza2Pcbw==",
+        "dependencies": {
+          "NuGet.Packaging": "6.4.0"
+        }
+      },
+      "NuGet.Versioning": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "YE8p3TpX4jIw+Gb24maE8YRDoqWA4imLmCbdOj5IvslLrZJXQ8akeFOGOplxICNVevON1g1SFYT2+cq4yy0nQQ=="
+      },
       "protobuf-net": {
         "type": "Transitive",
         "resolved": "1.0.0",
         "contentHash": "kTGOK0E87473sOImOjgZOnz3kTC2aMLffoRWQLYNuBLJnwNNmjanF9IkevZ9Q7yYLeABQfcF3BpeepuMntMVNw=="
+      },
+      "System.Formats.Asn1": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "MTvUIktmemNB+El0Fgw9egyqT9AYSIk6DTJeoDSpc3GIHxHCMo8COqkWT1mptX5tZ1SlQ6HJZ0OsSvMth1c12w=="
+      },
+      "System.Security.Cryptography.Cng": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "jIMXsKn94T9JY7PvPq/tMfqa6GAaHpElRDpmG+SuL+D3+sTw2M8VhnibKnN8Tq+4JqbPJ/f+BwtLeDMEnzAvRg==",
+        "dependencies": {
+          "System.Formats.Asn1": "5.0.0"
+        }
+      },
+      "System.Security.Cryptography.Pkcs": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "9TPLGjBCGKmNvG8pjwPeuYy0SMVmGZRwlTZvyPHDbYv/DRkoeumJdfumaaDNQzVGMEmbWtg07zUpSW9q70IlDQ==",
+        "dependencies": {
+          "System.Formats.Asn1": "5.0.0",
+          "System.Security.Cryptography.Cng": "5.0.0"
+        }
+      },
+      "System.Security.Cryptography.ProtectedData": {
+        "type": "Transitive",
+        "resolved": "4.4.0",
+        "contentHash": "cJV7ScGW7EhatRsjehfvvYVBvtiSMKgN8bOVI0bQhnF5bU7vnHVIsH49Kva7i7GWaWYvmEzkYVk1TC+gZYBEog=="
       }
     }
   }

Torch.Server/TorchConfig.cs

@@ -119,6 +119,9 @@ public class TorchConfig : ViewModel, ITorchConfig
         SourceType = UpdateSourceType.Github
     };
 
+    [Display(Name = "Packages", Description = "Packages to install and use.", GroupName = "Server")]
+    public List<string> Packages { get; set; } = new();
+
     // for backward compatibility
     public void Save(string path = null) => Initializer.Instance?.ConfigPersistent?.Save(path);
 }

Torch.Server/packages.lock.json

@@ -182,8 +182,8 @@
       },
       "Microsoft.Bcl.AsyncInterfaces": {
         "type": "Transitive",
-        "resolved": "1.1.0",
+        "resolved": "6.0.0",
-        "contentHash": "1Am6l4Vpn3/K32daEqZI+FFr96OlZkgwK2LcT3pZ2zWubR5zTPW3/FkO1Rat9kb7oQOa4rxgl9LJHc5tspCWfg=="
+        "contentHash": "UcSjPsst+DfAdJGVDsu346FX0ci0ah+lw3WRtn18NUwEqRt70HaOQ7lI72vy3+1LxtqI3T5GWwV39rQSrCzAeg=="
       },
       "Microsoft.CodeAnalysis.Analyzers": {
         "type": "Transitive",
@@ -364,6 +364,102 @@
           "MonoModReorg.ILHelpers": "22.11.21-prerelease.2"
         }
       },
+      "Newtonsoft.Json": {
+        "type": "Transitive",
+        "resolved": "13.0.1",
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+      },
+      "NuGet.Commands": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "j3ma45boGZADsHpJcu3Y2yq+n2luicC6ezd61TXTTzbOzA452oAPaSsFGUB1stIsuP/DVoqkTzjHXjaCHuJKPQ==",
+        "dependencies": {
+          "NuGet.Credentials": "6.4.0",
+          "NuGet.ProjectModel": "6.4.0"
+        }
+      },
+      "NuGet.Common": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "srECugLk+LB1bXelDCDhHoi6do/EYTXzuntKhjHraS4roVB3NfWohEdCSiAPdpSV9M40Q6jo6MV2Srml9e+jHQ==",
+        "dependencies": {
+          "NuGet.Frameworks": "6.4.0"
+        }
+      },
+      "NuGet.Configuration": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "vPjauG9AoacEjiZWGIs+d11FCRVmseqAw78FIApfLvZrYMEbbwc9vc0LdC3PpoW5FxYkktyZSiiXVKXGLu+gXw==",
+        "dependencies": {
+          "NuGet.Common": "6.4.0",
+          "System.Security.Cryptography.ProtectedData": "4.4.0"
+        }
+      },
+      "NuGet.Credentials": {
+        "type": "Transitive",
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+        "dependencies": {
+          "NuGet.Protocol": "6.4.0"
+        }
+      },
+      "NuGet.DependencyResolver.Core": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "AKomZEKuhQlshujuiHbKvwl2cZNGq3SHsXFbpjCfCjMFMLwwA8saJGQQZp1lzsqQWcQWa6hLOcPtm7T3rd0SVg==",
+        "dependencies": {
+          "NuGet.Configuration": "6.4.0",
+          "NuGet.LibraryModel": "6.4.0",
+          "NuGet.Protocol": "6.4.0"
+        }
+      },
+      "NuGet.Frameworks": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "qcufbjJIDtyY/Hah7JJfcRVpRYM3scgPqYBnukjO9kfADCFGr2azvVBozuwzljA6w/cR3w8bXLq6vW5xGrsmHw=="
+      },
+      "NuGet.LibraryModel": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "K6ROQpWr34Aje81G0HfipiznLTB8vD4BO8sF6FEwx1KjJVdFkSmGZPmAhc6L1vZPs8TKY5BqoH72zG13zVzW2w==",
+        "dependencies": {
+          "NuGet.Common": "6.4.0",
+          "NuGet.Versioning": "6.4.0"
+        }
+      },
+      "NuGet.Packaging": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "aR10aYqcUMGC2mwMGH5rls/MGaz3EVH8DKTTHQ/EC91hXNtrCTTAQonaRR+v1EItcoxtQeZ/WQOorv4z270Tgg==",
+        "dependencies": {
+          "Newtonsoft.Json": "13.0.1",
+          "NuGet.Configuration": "6.4.0",
+          "NuGet.Versioning": "6.4.0",
+          "System.Security.Cryptography.Cng": "5.0.0",
+          "System.Security.Cryptography.Pkcs": "5.0.0"
+        }
+      },
+      "NuGet.ProjectModel": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "eW9Q7vPk8cpXDd5b+vtIPkl8dSDCPkPJPrjXPTfZGxhstldnhJrj1XPaonsDZLQ24YY7LrYCzC0BiHh3iO5zUA==",
+        "dependencies": {
+          "NuGet.DependencyResolver.Core": "6.4.0"
+        }
+      },
+      "NuGet.Protocol": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "KIPjsWP0P3EMsDsXaa6YBCTvYKur/zI0luS1kO5G37ci8mHs2kJFsuG5qaMhGvgyHASu54sxlic1n1oza2Pcbw==",
+        "dependencies": {
+          "NuGet.Packaging": "6.4.0"
+        }
+      },
+      "NuGet.Versioning": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "YE8p3TpX4jIw+Gb24maE8YRDoqWA4imLmCbdOj5IvslLrZJXQ8akeFOGOplxICNVevON1g1SFYT2+cq4yy0nQQ=="
+      },
       "protobuf-net": {
         "type": "Transitive",
         "resolved": "3.1.26",
@@ -408,6 +504,14 @@
         "resolved": "7.0.0",
         "contentHash": "+nfpV0afLmvJW8+pLlHxRjz3oZJw4fkyU9MMEaMhCsHi/SN9bGF9q79ROubDiwTiCHezmK0uCWkPP7tGFP/4yg=="
       },
+      "System.Linq.Async": {
+        "type": "Transitive",
+        "resolved": "6.0.1",
+        "contentHash": "0YhHcaroWpQ9UCot3Pizah7ryAzQhNvobLMSxeDIGmnXfkQn8u5owvpOH0K6EVB+z9L7u6Cc4W17Br/+jyttEQ==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "6.0.0"
+        }
+      },
       "System.Memory": {
         "type": "Transitive",
         "resolved": "4.5.5",
@@ -433,6 +537,14 @@
         "resolved": "6.0.0",
         "contentHash": "/iUeP3tq1S0XdNNoMz5C9twLSrM/TH+qElHkXWaPvuNOt+99G75NrV0OS2EqHx5wMN7popYjpc8oTjC1y16DLg=="
       },
+      "System.Security.Cryptography.Cng": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "jIMXsKn94T9JY7PvPq/tMfqa6GAaHpElRDpmG+SuL+D3+sTw2M8VhnibKnN8Tq+4JqbPJ/f+BwtLeDMEnzAvRg==",
+        "dependencies": {
+          "System.Formats.Asn1": "5.0.0"
+        }
+      },
       "System.Security.Cryptography.Pkcs": {
         "type": "Transitive",
         "resolved": "7.0.0",
@@ -441,6 +553,11 @@
           "System.Formats.Asn1": "7.0.0"
         }
       },
+      "System.Security.Cryptography.ProtectedData": {
+        "type": "Transitive",
+        "resolved": "4.4.0",
+        "contentHash": "cJV7ScGW7EhatRsjehfvvYVBvtiSMKgN8bOVI0bQhnF5bU7vnHVIsH49Kva7i7GWaWYvmEzkYVk1TC+gZYBEog=="
+      },
       "System.Security.Cryptography.Xml": {
         "type": "Transitive",
         "resolved": "7.0.0",
@@ -497,7 +614,10 @@
         "dependencies": {
           "JorgeSerrano.Json.JsonSnakeCaseNamingPolicy": "[0.9.0, )",
           "NLog": "[5.1.0, )",
-          "SemanticVersioning": "[2.0.2, )"
+          "NuGet.Commands": "[6.4.0, )",
+          "NuGet.DependencyResolver.Core": "[6.4.0, )",
+          "SemanticVersioning": "[2.0.2, )",
+          "System.Linq.Async": "[6.0.1, )"
         }
       }
     },
@@ -517,6 +637,14 @@
           "System.CodeDom": "7.0.0"
         }
       },
+      "System.Security.Cryptography.Cng": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "jIMXsKn94T9JY7PvPq/tMfqa6GAaHpElRDpmG+SuL+D3+sTw2M8VhnibKnN8Tq+4JqbPJ/f+BwtLeDMEnzAvRg==",
+        "dependencies": {
+          "System.Formats.Asn1": "5.0.0"
+        }
+      },
       "System.Security.Cryptography.Pkcs": {
         "type": "Transitive",
         "resolved": "7.0.0",
@@ -525,6 +653,11 @@
           "System.Formats.Asn1": "7.0.0"
         }
       },
+      "System.Security.Cryptography.ProtectedData": {
+        "type": "Transitive",
+        "resolved": "4.4.0",
+        "contentHash": "cJV7ScGW7EhatRsjehfvvYVBvtiSMKgN8bOVI0bQhnF5bU7vnHVIsH49Kva7i7GWaWYvmEzkYVk1TC+gZYBEog=="
+      },
       "System.Text.Encoding.CodePages": {
         "type": "Transitive",
         "resolved": "6.0.0",

Torch/Plugins/PluginManager.cs

@@ -432,7 +432,7 @@ namespace Torch.Managers
             return a.Name == b.Name && b.Version >= a.Version;
         }
 
-        private void InstantiatePlugin(PluginManifest manifest, IEnumerable<Assembly> assemblies)
+        internal void InstantiatePlugin(PluginManifest manifest, IEnumerable<Assembly> assemblies)
         {
             Type pluginType = null;
             bool mult = false;

Torch/TorchBase.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Globalization;
 using System.Reflection;
@@ -11,7 +10,6 @@ using Sandbox;
 using Sandbox.Game;
 using Sandbox.Game.Multiplayer;
 using Sandbox.Game.Screens.Helpers;
-using SpaceEngineers.Game;
 using Torch.API;
 using Torch.API.Managers;
 using Torch.API.ModAPI;
@@ -21,10 +19,10 @@ using Torch.Event;
 using Torch.Managers;
 using Torch.Managers.ChatManager;
 using Torch.Managers.PatchManager;
+using Torch.Packages;
 using Torch.Patches;
 using Torch.Utils;
 using Torch.Session;
-using VRage.Platform.Windows;
 using VRage.Plugins;
 using VRage.Utils;
 
@@ -127,6 +125,7 @@ namespace Torch
             Managers.AddManager(new EventManager(this));
 #pragma warning disable CS0618
             Managers.AddManager(Plugins);
+            Managers.AddManager(new PackageManager(this, (PluginManager)Plugins));
 #pragma warning restore CS0618
             Managers.AddManager(new ScriptCompilationManager(this));
             TorchAPI.Instance = this;
@@ -286,6 +285,11 @@ namespace Torch
             Log.Info($"Executing directory: {AppDomain.CurrentDomain.BaseDirectory}");
 
             Managers.GetManager<PluginManager>().LoadPlugins();
+
+            var semaphore = new SemaphoreSlim(0, 1);
+            Managers.GetManager<PackageManager>().LoadAsync(semaphore);
+            semaphore.Wait();
+
             Game = new VRageGame(this, TweakGameSettings, SteamAppName, SteamAppId, InstancePath, RunArgs);
             if (!Game.WaitFor(VRageGame.GameState.Stopped))
                 Log.Warn("Failed to wait for game to be initialized");

Torch/packages.lock.json

@@ -137,6 +137,11 @@
         "resolved": "0.9.0",
         "contentHash": "xCqODS+wzpUXNtg4bMMvXG5PLbP0iTwRzRn2R+zWHKm83E6tbV2bCagawXp1EnZeNpd5OXpMxehulZWns8efzQ=="
       },
+      "Microsoft.Bcl.AsyncInterfaces": {
+        "type": "Transitive",
+        "resolved": "6.0.0",
+        "contentHash": "UcSjPsst+DfAdJGVDsu346FX0ci0ah+lw3WRtn18NUwEqRt70HaOQ7lI72vy3+1LxtqI3T5GWwV39rQSrCzAeg=="
+      },
       "Microsoft.CodeAnalysis.Analyzers": {
         "type": "Transitive",
         "resolved": "3.3.3",
@@ -186,6 +191,102 @@
           "MonoModReorg.ILHelpers": "22.11.21-prerelease.2"
         }
       },
+      "Newtonsoft.Json": {
+        "type": "Transitive",
+        "resolved": "13.0.1",
+        "contentHash": "ppPFpBcvxdsfUonNcvITKqLl3bqxWbDCZIzDWHzjpdAHRFfZe0Dw9HmA0+za13IdyrgJwpkDTDA9fHaxOrt20A=="
+      },
+      "NuGet.Commands": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "j3ma45boGZADsHpJcu3Y2yq+n2luicC6ezd61TXTTzbOzA452oAPaSsFGUB1stIsuP/DVoqkTzjHXjaCHuJKPQ==",
+        "dependencies": {
+          "NuGet.Credentials": "6.4.0",
+          "NuGet.ProjectModel": "6.4.0"
+        }
+      },
+      "NuGet.Common": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "srECugLk+LB1bXelDCDhHoi6do/EYTXzuntKhjHraS4roVB3NfWohEdCSiAPdpSV9M40Q6jo6MV2Srml9e+jHQ==",
+        "dependencies": {
+          "NuGet.Frameworks": "6.4.0"
+        }
+      },
+      "NuGet.Configuration": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "vPjauG9AoacEjiZWGIs+d11FCRVmseqAw78FIApfLvZrYMEbbwc9vc0LdC3PpoW5FxYkktyZSiiXVKXGLu+gXw==",
+        "dependencies": {
+          "NuGet.Common": "6.4.0",
+          "System.Security.Cryptography.ProtectedData": "4.4.0"
+        }
+      },
+      "NuGet.Credentials": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "tebsxclknVz3D4FrvE2MzVcsOyf6PffjGNQ77X9Yvbj9x5YpVWfumVPetqETcdsNEgiN0bBzfMre33lhrY7Itw==",
+        "dependencies": {
+          "NuGet.Protocol": "6.4.0"
+        }
+      },
+      "NuGet.DependencyResolver.Core": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "AKomZEKuhQlshujuiHbKvwl2cZNGq3SHsXFbpjCfCjMFMLwwA8saJGQQZp1lzsqQWcQWa6hLOcPtm7T3rd0SVg==",
+        "dependencies": {
+          "NuGet.Configuration": "6.4.0",
+          "NuGet.LibraryModel": "6.4.0",
+          "NuGet.Protocol": "6.4.0"
+        }
+      },
+      "NuGet.Frameworks": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "qcufbjJIDtyY/Hah7JJfcRVpRYM3scgPqYBnukjO9kfADCFGr2azvVBozuwzljA6w/cR3w8bXLq6vW5xGrsmHw=="
+      },
+      "NuGet.LibraryModel": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "K6ROQpWr34Aje81G0HfipiznLTB8vD4BO8sF6FEwx1KjJVdFkSmGZPmAhc6L1vZPs8TKY5BqoH72zG13zVzW2w==",
+        "dependencies": {
+          "NuGet.Common": "6.4.0",
+          "NuGet.Versioning": "6.4.0"
+        }
+      },
+      "NuGet.Packaging": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "aR10aYqcUMGC2mwMGH5rls/MGaz3EVH8DKTTHQ/EC91hXNtrCTTAQonaRR+v1EItcoxtQeZ/WQOorv4z270Tgg==",
+        "dependencies": {
+          "Newtonsoft.Json": "13.0.1",
+          "NuGet.Configuration": "6.4.0",
+          "NuGet.Versioning": "6.4.0",
+          "System.Security.Cryptography.Cng": "5.0.0",
+          "System.Security.Cryptography.Pkcs": "5.0.0"
+        }
+      },
+      "NuGet.ProjectModel": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "eW9Q7vPk8cpXDd5b+vtIPkl8dSDCPkPJPrjXPTfZGxhstldnhJrj1XPaonsDZLQ24YY7LrYCzC0BiHh3iO5zUA==",
+        "dependencies": {
+          "NuGet.DependencyResolver.Core": "6.4.0"
+        }
+      },
+      "NuGet.Protocol": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "KIPjsWP0P3EMsDsXaa6YBCTvYKur/zI0luS1kO5G37ci8mHs2kJFsuG5qaMhGvgyHASu54sxlic1n1oza2Pcbw==",
+        "dependencies": {
+          "NuGet.Packaging": "6.4.0"
+        }
+      },
+      "NuGet.Versioning": {
+        "type": "Transitive",
+        "resolved": "6.4.0",
+        "contentHash": "YE8p3TpX4jIw+Gb24maE8YRDoqWA4imLmCbdOj5IvslLrZJXQ8akeFOGOplxICNVevON1g1SFYT2+cq4yy0nQQ=="
+      },
       "protobuf-net.Core": {
         "type": "Transitive",
         "resolved": "3.1.26",
@@ -212,6 +313,19 @@
           "System.Runtime.CompilerServices.Unsafe": "6.0.0"
         }
       },
+      "System.Formats.Asn1": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "MTvUIktmemNB+El0Fgw9egyqT9AYSIk6DTJeoDSpc3GIHxHCMo8COqkWT1mptX5tZ1SlQ6HJZ0OsSvMth1c12w=="
+      },
+      "System.Linq.Async": {
+        "type": "Transitive",
+        "resolved": "6.0.1",
+        "contentHash": "0YhHcaroWpQ9UCot3Pizah7ryAzQhNvobLMSxeDIGmnXfkQn8u5owvpOH0K6EVB+z9L7u6Cc4W17Br/+jyttEQ==",
+        "dependencies": {
+          "Microsoft.Bcl.AsyncInterfaces": "6.0.0"
+        }
+      },
       "System.Memory": {
         "type": "Transitive",
         "resolved": "4.5.5",
@@ -237,6 +351,28 @@
         "resolved": "6.0.0",
         "contentHash": "/iUeP3tq1S0XdNNoMz5C9twLSrM/TH+qElHkXWaPvuNOt+99G75NrV0OS2EqHx5wMN7popYjpc8oTjC1y16DLg=="
       },
+      "System.Security.Cryptography.Cng": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "jIMXsKn94T9JY7PvPq/tMfqa6GAaHpElRDpmG+SuL+D3+sTw2M8VhnibKnN8Tq+4JqbPJ/f+BwtLeDMEnzAvRg==",
+        "dependencies": {
+          "System.Formats.Asn1": "5.0.0"
+        }
+      },
+      "System.Security.Cryptography.Pkcs": {
+        "type": "Transitive",
+        "resolved": "5.0.0",
+        "contentHash": "9TPLGjBCGKmNvG8pjwPeuYy0SMVmGZRwlTZvyPHDbYv/DRkoeumJdfumaaDNQzVGMEmbWtg07zUpSW9q70IlDQ==",
+        "dependencies": {
+          "System.Formats.Asn1": "5.0.0",
+          "System.Security.Cryptography.Cng": "5.0.0"
+        }
+      },
+      "System.Security.Cryptography.ProtectedData": {
+        "type": "Transitive",
+        "resolved": "4.4.0",
+        "contentHash": "cJV7ScGW7EhatRsjehfvvYVBvtiSMKgN8bOVI0bQhnF5bU7vnHVIsH49Kva7i7GWaWYvmEzkYVk1TC+gZYBEog=="
+      },
       "System.Text.Encoding.CodePages": {
         "type": "Transitive",
         "resolved": "6.0.0",
@@ -260,7 +396,10 @@
         "dependencies": {
           "JorgeSerrano.Json.JsonSnakeCaseNamingPolicy": "[0.9.0, )",
           "NLog": "[5.1.0, )",
-          "SemanticVersioning": "[2.0.2, )"
+          "NuGet.Commands": "[6.4.0, )",
+          "NuGet.DependencyResolver.Core": "[6.4.0, )",
+          "SemanticVersioning": "[2.0.2, )",
+          "System.Linq.Async": "[6.0.1, )"
         }
       }
     }