support url opening

Author: Pietrodjaowjao

AuthFix/AndroidJavaObjectSafe.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using Il2CppInterop.Runtime.InteropTypes.Arrays;
+using UnityEngine;
+
+namespace AuthFix;
+
+public sealed class AndroidJavaObjectSafe : IDisposable
+{
+    public AndroidJavaObject Inner { get; }
+
+    private static readonly MethodInfo s_Call;
+    private static readonly MethodInfo s_CallReturn;
+    private static readonly MethodInfo s_CallStatic;
+    private static readonly MethodInfo s_CallStaticReturn;
+
+    private static readonly Type[] s_paramTypes =
+        [typeof(string), typeof(Il2CppReferenceArray<Il2CppSystem.Object>)];
+
+    static AndroidJavaObjectSafe()
+    {
+        var all = typeof(AndroidJavaObject).GetMethods(
+            BindingFlags.Public | BindingFlags.Instance);
+
+        s_Call = FindVoid(all, "Call");
+        s_CallReturn = FindNonVoid(all, "Call");
+        s_CallStatic = FindVoid(all, "CallStatic");
+        s_CallStaticReturn = FindNonVoid(all, "CallStatic");
+    }
+
+    private static MethodInfo FindVoid(MethodInfo[] methods, string name) =>
+        methods.FirstOrDefault(m =>
+            m.Name == name &&
+            !m.IsGenericMethod &&
+            m.ReturnType == typeof(void) &&
+            m.GetParameters().Select(p => p.ParameterType).SequenceEqual(s_paramTypes));
+
+    private static MethodInfo FindNonVoid(MethodInfo[] methods, string name) =>
+        methods.FirstOrDefault(m =>
+            m.Name == name &&
+            !m.IsGenericMethod &&
+            m.ReturnType != typeof(void) &&
+            m.GetParameters().Select(p => p.ParameterType).SequenceEqual(s_paramTypes));
+
+    // ── Constructors ───────────────────────────────────────────────────────────
+
+    public AndroidJavaObjectSafe(string className,
+        Il2CppReferenceArray<Il2CppSystem.Object> args = null)
+    {
+        Inner = new AndroidJavaObject(className, args ?? new Il2CppReferenceArray<Il2CppSystem.Object>(0L));
+    }
+
+    public AndroidJavaObjectSafe(AndroidJavaObject existing)
+    {
+        Inner = existing ?? throw new ArgumentNullException(nameof(existing));
+    }
+
+    public void Call(string method, Il2CppReferenceArray<Il2CppSystem.Object> args = null)
+    {
+        args ??= new Il2CppReferenceArray<Il2CppSystem.Object>(0L);
+        s_Call.Invoke(Inner, [method, args]);
+    }
+
+    public Il2CppSystem.Object CallReturn(string method,
+        Il2CppReferenceArray<Il2CppSystem.Object> args = null)
+    {
+        args ??= new Il2CppReferenceArray<Il2CppSystem.Object>(0L);
+        return s_CallReturn.Invoke(Inner, [method, args]) as Il2CppSystem.Object;
+    }
+
+    public void CallStatic(string method,
+        Il2CppReferenceArray<Il2CppSystem.Object> args = null)
+    {
+        args ??= new Il2CppReferenceArray<Il2CppSystem.Object>(0L);
+        s_CallStatic.Invoke(Inner, [method, args]);
+    }
+
+    public Il2CppSystem.Object CallStaticReturn(string method,
+        Il2CppReferenceArray<Il2CppSystem.Object> args = null)
+    {
+        args ??= new Il2CppReferenceArray<Il2CppSystem.Object>(0L);
+        return s_CallStaticReturn.Invoke(Inner, [method, args]) as Il2CppSystem.Object;
+    }
+
+    // ── Pass-through
+
+    public IntPtr GetRawObject() => Inner.GetRawObject();
+    public IntPtr GetRawClass() => Inner.GetRawClass();
+    public void Dispose() => Inner.Dispose();
+
+    // ── Convenience
+
+    public static Il2CppReferenceArray<Il2CppSystem.Object> Args(
+        params Il2CppSystem.Object[] args) => new(args);
+}

AuthFix/AuthPlugin.cs

@@ -31,6 +31,8 @@ public partial class AuthPlugin : BasePlugin
 
     private static bool _ranLobbyJoin;
 
+    private static readonly Il2CppSystem.String ACTION_VIEW = new("android.intent.action.VIEW".ToCharArray());
+
     public static string GetLobby()
     {
         return Marshal.PtrToStringUTF8(get_lobby()) ?? string.Empty;
@@ -301,6 +303,54 @@ public static bool Prefix()
             return false;
         }
     }
+
+    [HarmonyPatch(typeof(Constants), nameof(Constants.OpenURL))]
+    public static class OpenURLPatch
+    {
+        public static bool Prefix([HarmonyArgument(0)] string url)
+        {
+            if (string.IsNullOrEmpty(url))
+                return false;
+
+            if (!url.StartsWith("http"))
+                url = "https://" + url;
+
+            using var unityPlayer = new AndroidJavaObjectSafe("com.unity3d.player.UnityPlayer");
+
+            var activityRaw = unityPlayer.CallStaticReturn("getCurrentActivity");
+            using var currentActivity = new AndroidJavaObjectSafe((AndroidJavaObject)activityRaw);
+
+            using var uriClass = new AndroidJavaObjectSafe("android.net.Uri");
+            var uri = uriClass.CallStaticReturn(
+                "parse",
+                AndroidJavaObjectSafe.Args((Il2CppSystem.Object)(object)url)
+            );
+
+            using var intentClass = new AndroidJavaObjectSafe("android.content.Intent");
+
+            var intent = new AndroidJavaObjectSafe(
+                "android.content.Intent",
+                AndroidJavaObjectSafe.Args(
+                    ACTION_VIEW,
+                    uri
+                )
+            );
+
+            currentActivity.Call(
+                "runOnUiThread",
+                AndroidJavaObjectSafe.Args(
+                    (Il2CppSystem.Object)(object)(() =>
+                    {
+                        currentActivity.Call(
+                            "startActivity",
+                            AndroidJavaObjectSafe.Args(intent.Inner)
+                        );
+                    })
+                )
+            );
+            return false;
+        }
+    }
 }
 
 public class Coroutines : MonoBehaviour { }