CVR Manager 1.0.0

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
2026-10-25 02:46:35 -04:00
commit 9bb4f85802
59 changed files with 7913 additions and 0 deletions
@@ -0,0 +1,70 @@
+using System.Reflection.Metadata;
+using System.Reflection.PortableExecutable;
+using System.Security.Cryptography;
+
+namespace CVRManager.Services;
+
+public record AssemblyDetails(string FileName, string AssemblyName, string Version, string MelonName, string MelonVersion, string MelonAuthor, string MelonLink, string Sha256);
+
+public static class AssemblyReader
+{
+    public static AssemblyDetails Read(string path)
+    {
+        var file = Path.GetFileName(path);
+        var bytes = File.ReadAllBytes(path);
+        var hash = Convert.ToBase64String(SHA256.HashData(bytes));
+        string asmName = Path.GetFileNameWithoutExtension(file), version = "", mName = "", mVer = "", mAuthor = "", mLink = "";
+        try
+        {
+            using var pe = new PEReader(new MemoryStream(bytes));
+            if (pe.HasMetadata)
+            {
+                var md = pe.GetMetadataReader();
+                var def = md.GetAssemblyDefinition();
+                asmName = md.GetString(def.Name);
+                version = def.Version.ToString();
+                foreach (var h in def.GetCustomAttributes())
+                {
+                    var attr = md.GetCustomAttribute(h);
+                    if (!IsMelonInfo(md, attr.Constructor)) continue;
+                    var strings = attr.DecodeValue(new Provider()).FixedArguments
+                        .Where(a => a.Type is PrimitiveTypeCode.String && a.Value is string).Select(a => (string)a.Value!).ToList();
+                    if (strings.Count > 0) mName = strings[0];
+                    if (strings.Count > 1) mVer = strings[1];
+                    if (strings.Count > 2) mAuthor = strings[2];
+                    if (strings.Count > 3) mLink = strings[3];
+                    break;
+                }
+            }
+        }
+        catch (Exception e) when (e is BadImageFormatException or InvalidOperationException or ArgumentException) { }
+        var fv = System.Diagnostics.FileVersionInfo.GetVersionInfo(path).ProductVersion?.Split('+', '-')[0];
+        return new AssemblyDetails(file, asmName, string.IsNullOrEmpty(fv) ? version : fv, mName, mVer, mAuthor, mLink, hash);
+    }
+
+    static bool IsMelonInfo(MetadataReader md, EntityHandle ctor)
+    {
+        if (ctor.Kind != HandleKind.MemberReference) return false;
+        var member = md.GetMemberReference((MemberReferenceHandle)ctor);
+        if (member.Parent.Kind != HandleKind.TypeReference) return false;
+        var type = md.GetTypeReference((TypeReferenceHandle)member.Parent);
+        return md.GetString(type.Name) == "MelonInfoAttribute";
+    }
+
+    sealed class Provider : ICustomAttributeTypeProvider<object?>
+    {
+        const string SystemType = "System.Type";
+        public object? GetPrimitiveType(PrimitiveTypeCode typeCode) => typeCode;
+        public object? GetSystemType() => SystemType;
+        public object? GetSZArrayType(object? elementType) => elementType;
+        public object? GetTypeFromDefinition(MetadataReader reader, TypeDefinitionHandle handle, byte rawTypeKind) => new object();
+        public object? GetTypeFromReference(MetadataReader reader, TypeReferenceHandle handle, byte rawTypeKind)
+        {
+            var t = reader.GetTypeReference(handle);
+            return reader.GetString(t.Name) == "Type" && reader.GetString(t.Namespace) == "System" ? SystemType : new object();
+        }
+        public object? GetTypeFromSerializedName(string name) => name;
+        public PrimitiveTypeCode GetUnderlyingEnumType(object? type) => PrimitiveTypeCode.Int32;
+        public bool IsSystemType(object? type) => type is string s && s == SystemType;
+    }
+}