Added BungeeCordSpoof (Closes #98)

README.md

@@ -50,6 +50,7 @@
 - BlockIn
 - BoatGlitch & BoatPhase (Taken from an [unmerged PR](https://github.com/MeteorDevelopment/meteor-client/pull/814))
 - Boost (Ported from [Cornos](https://github.com/cornos/Cornos/blob/master/src/main/java/me/zeroX150/cornos/features/module/impl/movement/Boost.java))
+- BungeeCordSpoof (Ported from [LiquidBounce](https://github.com/CCBlueX/LiquidBounce))
 - ChatBot
 - ChestAura
 - ChorusExploit (Taken from an [unmerged PR](https://github.com/MeteorDevelopment/meteor-client/pull/1727))

src/main/java/anticope/rejects/MeteorRejectsAddon.java

@@ -49,6 +49,7 @@ public void onInitialize() {
         modules.add(new BlockIn());
         modules.add(new BoatPhase());
         modules.add(new Boost());
+        modules.add(new BungeeCordSpoof());
         modules.add(new ChatBot());
         modules.add(new ChestAura());
         modules.add(new ChorusExploit());

src/main/java/anticope/rejects/gui/servers/ServerFinderScreen.java

@@ -50,7 +50,7 @@ public ServerFinderScreen(GuiTheme theme, MultiplayerScreen multiplayerScreen, S
         this.multiplayerScreen = multiplayerScreen;
         this.parent = parent;
         ipBox = theme.textBox("127.0.0.1");
-        versionBox = theme.textBox("1.19; 1.18; 1.17; 1.16; 1.15; 1.14; 1.13; 1.12; 1.11; 1.10; 1.9; 1.8");
+        versionBox = theme.textBox("1.20; 1.19; 1.18; 1.17; 1.16; 1.15; 1.14; 1.13; 1.12; 1.11; 1.10; 1.9; 1.8");
         maxThreadsBox = theme.intEdit(128, 1, 1024, 1, 1024);
         stateLabel = theme.label("");
         checkedLabel = theme.label("");

src/main/java/anticope/rejects/mixin/HandshakeC2SPacketAccessor.java

@@ -0,0 +1,13 @@
+package anticope.rejects.mixin;
+
+import net.minecraft.network.packet.c2s.handshake.HandshakeC2SPacket;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Mutable;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(HandshakeC2SPacket.class)
+public interface HandshakeC2SPacketAccessor {
+    @Mutable
+    @Accessor
+    void setAddress(String address);
+}

src/main/java/anticope/rejects/modules/BungeeCordSpoof.java

@@ -0,0 +1,69 @@
+package anticope.rejects.modules;
+
+import anticope.rejects.MeteorRejectsAddon;
+import anticope.rejects.mixin.HandshakeC2SPacketAccessor;
+import com.google.gson.Gson;
+import com.mojang.authlib.properties.PropertyMap;
+import meteordevelopment.meteorclient.events.packets.PacketEvent;
+import meteordevelopment.meteorclient.settings.*;
+import meteordevelopment.meteorclient.systems.modules.Module;
+import meteordevelopment.meteorclient.utils.Utils;
+import meteordevelopment.orbit.EventHandler;
+import net.minecraft.network.NetworkState;
+import net.minecraft.network.packet.c2s.handshake.HandshakeC2SPacket;
+
+import java.util.List;
+
+public class BungeeCordSpoof extends Module {
+    private final SettingGroup sgGeneral = settings.getDefaultGroup();
+
+    private static final Gson GSON = new Gson();
+
+    private final Setting<Boolean> whitelist = sgGeneral.add(new BoolSetting.Builder()
+            .name("whitelist")
+            .description("Use whitelist.")
+            .defaultValue(false)
+            .build()
+    );
+
+    private final Setting<List<String>> whitelistedServers = sgGeneral.add(new StringListSetting.Builder()
+            .name("whitelisted-servers")
+            .description("Will only work if you joined the servers above.")
+            .visible(whitelist::get)
+            .build()
+    );
+
+    private final Setting<Boolean> spoofProfile = sgGeneral.add(new BoolSetting.Builder()
+            .name("spoof-profile")
+            .description("Spoof account profile.")
+            .defaultValue(false)
+            .build()
+    );
+
+    private final Setting<String> forwardedIP = sgGeneral.add(new StringSetting.Builder()
+            .name("forwarded-IP")
+            .description("The forwarded IP address.")
+            .defaultValue("127.0.0.1")
+            .build()
+    );
+
+    public BungeeCordSpoof() {
+        super(MeteorRejectsAddon.CATEGORY, "bungeeCord-spoof", "Let you join BungeeCord servers, useful when bypassing proxies.");
+        runInMainMenu = true;
+    }
+
+    @EventHandler
+    private void onPacketSend(PacketEvent.Send event) {
+        if (event.packet instanceof HandshakeC2SPacket packet && packet.getIntendedState() == NetworkState.LOGIN) {
+            if (whitelist.get() && !whitelistedServers.get().contains(Utils.getWorldName())) return;
+            String address = packet.getAddress() + "\0" + forwardedIP + "\0" + mc.getSession().getUuid().replace("-", "")
+                    + (spoofProfile.get() ? getProperty() : "");
+            ((HandshakeC2SPacketAccessor) packet).setAddress(address);
+        }
+    }
+
+    private String getProperty() {
+        PropertyMap propertyMap = mc.getSession().getProfile().getProperties();
+        return "\0" + GSON.toJson(propertyMap.values().toArray());
+    }
+}

src/main/resources/meteor-rejects.mixins.json

@@ -9,6 +9,7 @@
     "Deadmau5FeatureRendererMixin",
     "EntityAccessor",
     "GameRendererMixin",
+    "HandshakeC2SPacketAccessor",
     "LivingEntityMixin",
     "LivingEntityRendererMixin",
     "MultiplayerScreenAccessor",