Image signatures, sync semver

BasePatches/ImageSignature.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using HarmonyLib;
+using System.Reflection;
+
+namespace undead_universal_patch_il2cpp.BasePatches
+{
+    [HarmonyPatch]
+    public class ImageSignaturePatch
+    {
+        public static string TargetTypeName = "Images";
+        public static string TargetMethodName = "VerifySignature";
+        public static string Description = "Image signature patch";
+        public static Type targetType = AccessTools.TypeByName(TargetTypeName);
+        public static MethodBase targetMethod = targetType.GetMethod(TargetMethodName);
+
+        public static bool Prepare()
+        {
+            if (!GenericConfig.ImageSignaturePatch.Value) return false;
+            if (targetType == null)
+            {
+                Plugin.Log.LogWarning($"'{Description}' disabled. The type for this patch was not found.");
+                return false;
+            }
+            if (targetMethod == null)
+            {
+                Plugin.Log.LogWarning($"'{Description}' disabled. The method for this patch was not found.");
+                return false;
+            }
+
+            Plugin.Log.LogInfo($"'{Description}' succeeded validation.");
+            return true;
+        }
+
+        public static MethodBase TargetMethod() => targetMethod;
+
+        public static bool Prefix(ref bool __result)
+        {
+            Plugin.Log.LogDebug("Verified image signature");
+            __result = true;
+            return false;
+        }
+    }
+}