Initial RecNetPatcher

Author: LapisGit

.gitignore

@@ -1,5 +1,3 @@
-bin/
-obj/
-/packages/
-riderModule.iml
-/_ReSharper.Caches/
+GamePath.props
+obj
+bin

CannedNet.Client.sln

@@ -0,0 +1,10 @@
+<Project>
+    <!-- Copy this file to "GamePath.props" (same folder) and set GamePath to your local
+         Rec Room install. GamePath.props is gitignored, so your local path stays out of the repo.
+
+         The install must have been launched once under BepInEx 6 (IL2CPP) so that
+         BepInEx/interop/ is populated with the proxy assemblies this project references. -->
+    <PropertyGroup>
+        <GamePath>C:\Path\To\RecRoom</GamePath>
+    </PropertyGroup>
+</Project>

CannedNet.Client/CannedNet.Client.csproj

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 djdevin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

CannedNet.Client/Patches/SendRequestPatch.cs

@@ -1,9 +1,13 @@
 using HarmonyLib;
 using Org.BouncyCastle.Crypto.Tls;
 
-namespace CannedNet.Client.Patches;
+namespace RecNetPatcher.Patches;
 
-public class FuckOffTLS
+/**
+    Disables TLS certificate pinning. Even though we connect over SSL it seems some certificates
+    might be pinned.
+*/
+public class DisableTLSPinning
 {
     [HarmonyPatch(typeof(LegacyTlsAuthentication), "NotifyServerCertificate")]
     public class TlsPatch
@@ -13,4 +17,4 @@ private static bool Prefix()
             return false;
         }
     }
-}
+}

CannedNet.Client/Plugin.cs

@@ -0,0 +1,29 @@
+using HarmonyLib;
+using RecRoom.AntiCheat;
+using System.Text;
+using Il2CppSystem;
+
+namespace RecNetPatcher.Patches;
+
+[HarmonyPatch]
+public static class EACPatches
+{
+    [HarmonyPrefix]
+    [HarmonyPatch(typeof(EACManager), "FJLMLEPOKGE")]
+    private static bool IsReadyPatch(ref bool __result)
+    {
+        __result = true;
+        return false;
+    }
+
+    [HarmonyPrefix]
+    [HarmonyPatch(typeof(EACManager), "GenerateChallengeResponse")]
+    private static bool GenerateChallengeResponsePatch(string PGCINMIEBJP, ref string __result)
+    {
+        if (!string.IsNullOrEmpty(PGCINMIEBJP))
+            __result = Convert.ToBase64String(Encoding.UTF8.GetBytes(PGCINMIEBJP));
+        else
+            __result = Convert.ToBase64String(Encoding.UTF8.GetBytes("nothing"));
+        return false;
+    }
+}

GamePath.props.example

@@ -0,0 +1,34 @@
+using ExitGames.Client.Photon;
+using HarmonyLib;
+using Photon.Realtime;
+
+namespace RecNetPatcher.Patches;
+
+/**
+    Patches Photon to use the App IDs and server hostname/port specified in the plugin config.
+ */
+[HarmonyPatch(typeof(GPFPFDBGCEK), "AMOHMPKKGHL")]
+public class PhotonPatches
+{
+    [HarmonyPostfix]
+    private static void Postfix(ref AppSettings __result)
+    {
+        if (__result != null)
+        {
+            __result.AppIdRealtime = Plugin.AppIdRT.Value;
+            __result.AppIdVoice = Plugin.AppIdVoice.Value;
+            __result.AppIdChat = Plugin.AppIdChat.Value;
+            __result.FixedRegion = "us";
+            __result.UseNameServer = true;
+            __result.Protocol = ConnectionProtocol.Udp;
+
+            if (Plugin.EnableAdvancedSettings.Value)
+            {
+                __result.Server = Plugin.PhotonHostname.Value;
+                __result.Port = Plugin.PhotonPort.Value == 0
+                    ? 4533
+                    : Plugin.PhotonPort.Value;
+            }
+        }
+    }
+}