From eb84bb298d2b95aec7b2ae12cbf25ac64f25379a Mon Sep 17 00:00:00 2001
From: tylermurphy534 <tylermurphy534@gmail.com>
Date: Sun, 6 Nov 2022 15:12:42 -0500
Subject: move to self host

---
 .../VRChat/Scripts/Validation/ValidationUtils.cs   | 260 +++++++++++++++++++++
 1 file changed, 260 insertions(+)
 create mode 100644 VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Scripts/Validation/ValidationUtils.cs

(limited to 'VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Scripts/Validation/ValidationUtils.cs')

diff --git a/VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Scripts/Validation/ValidationUtils.cs b/VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Scripts/Validation/ValidationUtils.cs
new file mode 100644
index 00000000..e6dfef95
--- /dev/null
+++ b/VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Scripts/Validation/ValidationUtils.cs
@@ -0,0 +1,260 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using UnityEngine;
+using System.Reflection;
+
+namespace VRC.SDKBase.Validation
+{
+    public static class ValidationUtils
+    {
+        public static void RemoveIllegalComponents(GameObject target, HashSet<Type> whitelist, bool retry = true, bool onlySceneObjects = false, bool logStripping = true)
+        {
+            List<Component> foundComponents = FindIllegalComponents(target, whitelist);
+            foreach(Component component in foundComponents)
+            {
+                if(component == null)
+                {
+                    continue;
+                }
+                
+                if(onlySceneObjects && component.GetInstanceID() < 0)
+                {
+                    continue;
+                }
+
+                if(logStripping)
+                {
+                    Core.Logger.LogWarning($"Removing {component.GetType().Name} comp from {component.gameObject.name}");
+                }
+
+                RemoveComponent(component);
+            }
+        }
+
+        public static List<Component> FindIllegalComponents(GameObject target, HashSet<Type> whitelist)
+        {
+            List<Component> foundComponents = new List<Component>();
+            Component[] allComponents = target.GetComponentsInChildren<Component>(true);
+            foreach(Component component in allComponents)
+            {
+                if(component == null)
+                {
+                    continue;
+                }
+
+                Type componentType = component.GetType();
+                if(whitelist.Contains(componentType))
+                {
+                    continue;
+                }
+
+                foundComponents.Add(component);
+            }
+
+            return foundComponents;
+        }
+
+        private static readonly Dictionary<string, Type> _typeCache = new Dictionary<string, Type>();
+        private static readonly Dictionary<string, HashSet<Type>> _whitelistCache = new Dictionary<string, HashSet<Type>>();
+        public static HashSet<Type> WhitelistedTypes(string whitelistName, IEnumerable<string> componentTypeWhitelist)
+        {
+            if (_whitelistCache.ContainsKey(whitelistName))
+            {
+                return _whitelistCache[whitelistName];
+            }
+
+            Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
+            HashSet<Type> whitelist = new HashSet<Type>();
+            foreach(string whitelistedTypeName in componentTypeWhitelist)
+            {
+                Type whitelistedType = GetTypeFromName(whitelistedTypeName, assemblies);
+                if(whitelistedType == null)
+                {
+                    continue;
+                }
+
+                if(whitelist.Contains(whitelistedType))
+                {
+                    continue;
+                }
+
+                whitelist.Add(whitelistedType);
+            }
+
+            AddDerivedClasses(whitelist);
+
+            _whitelistCache[whitelistName] = whitelist;
+
+            return _whitelistCache[whitelistName];
+        }
+
+        public static HashSet<Type> WhitelistedTypes(string whitelistName, IEnumerable<Type> componentTypeWhitelist)
+        {
+            if (_whitelistCache.ContainsKey(whitelistName))
+            {
+                return _whitelistCache[whitelistName];
+            }
+
+            HashSet<Type> whitelist = new HashSet<Type>();
+            whitelist.UnionWith(componentTypeWhitelist);
+
+            AddDerivedClasses(whitelist);
+
+            _whitelistCache[whitelistName] = whitelist;
+
+            return _whitelistCache[whitelistName];
+        }
+
+        private static void AddDerivedClasses(HashSet<Type> whitelist)
+        {
+            Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
+            foreach(Assembly assembly in assemblies)
+            {
+                foreach(Type type in assembly.GetTypes())
+                {
+                    if(whitelist.Contains(type))
+                    {
+                        continue;
+                    }
+
+                    if(!typeof(Component).IsAssignableFrom(type))
+                    {
+                        continue;
+                    }
+
+                    Type currentType = type;
+                    while(currentType != typeof(object) && currentType != null)
+                    {
+                        if(whitelist.Contains(currentType))
+                        {
+                            whitelist.Add(type);
+                            break;
+                        }
+
+                        currentType = currentType.BaseType;
+                    }
+                }
+            }
+        }
+
+        public static Type GetTypeFromName(string name, Assembly[] assemblies = null)
+        {
+            if (_typeCache.ContainsKey(name))
+            {
+                
+                return _typeCache[name];
+            }
+
+            if (assemblies == null)
+            {
+                assemblies = AppDomain.CurrentDomain.GetAssemblies();
+            }
+
+            foreach (Assembly assembly in assemblies)
+            {
+                Type found = assembly.GetType(name);
+                if(found == null)
+                {
+                    continue;
+                }
+
+                _typeCache[name] = found;
+                return found;
+            }
+
+            //This is really verbose for some SDK scenes, eg.
+            //If they don't have FinalIK installed
+#if VRC_CLIENT && UNITY_EDITOR
+            Debug.LogWarningFormat("Could not find type {0}", name);
+#endif
+
+            _typeCache[name] = null;
+            return null;
+        }
+
+        private static readonly Dictionary<Type, ImmutableArray<RequireComponent>> _requireComponentsCache = new Dictionary<Type, ImmutableArray<RequireComponent>>();
+        private static void RemoveDependencies(Component rootComponent)
+        {
+            if (rootComponent == null)
+            {
+                return;
+            }
+
+            Component[] components = rootComponent.GetComponents<Component>();
+            if (components == null || components.Length == 0)
+            {
+                return;
+            }
+
+            Type compType = rootComponent.GetType();
+            foreach (var siblingComponent in components)
+            {
+                if (siblingComponent == null)
+                {
+                    continue;
+                }
+
+                Type siblingComponentType = siblingComponent.GetType();
+                if(!_requireComponentsCache.TryGetValue(siblingComponentType, out ImmutableArray<RequireComponent> requiredComponentAttributes))
+                {
+                    requiredComponentAttributes = siblingComponentType.GetCustomAttributes(typeof(RequireComponent), true).Cast<RequireComponent>().ToImmutableArray();
+                    _requireComponentsCache.Add(siblingComponentType, requiredComponentAttributes);
+                }
+
+                bool deleteMe = false;
+                foreach (RequireComponent requireComponent in requiredComponentAttributes)
+                {
+                    if (requireComponent == null)
+                    {
+                        continue;
+                    }
+
+                    if(requireComponent.m_Type0 != compType && requireComponent.m_Type1 != compType && requireComponent.m_Type2 != compType)
+                    {
+                        continue;
+                    }
+
+                    deleteMe = true;
+                    break;
+                }
+
+                if (deleteMe && siblingComponent != rootComponent)
+                {
+                    RemoveComponent(siblingComponent);
+                }
+            }
+        }
+
+        public static void RemoveComponent(Component comp)
+        {
+            if (comp == null)
+            {
+                return;
+            }
+
+            RemoveDependencies(comp);
+
+#if VRC_CLIENT
+            UnityEngine.Object.DestroyImmediate(comp, true);
+#else
+            UnityEngine.Object.DestroyImmediate(comp, false);
+#endif
+        }
+
+        public static void RemoveComponentsOfType<T>(GameObject target) where T : Component
+        {
+            if (target == null)
+                return;
+
+            foreach (T comp in target.GetComponentsInChildren<T>(true))
+            {
+                if (comp == null || comp.gameObject == null)
+                    continue;
+
+                RemoveComponent(comp);
+            }
+        }
+    }
+}
-- 
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