add option to allowProxyBypass

README.md

@@ -19,3 +19,4 @@ Enable `hackEarlySend` will use mixin for early send packet to velocity.
 * Start server to generate config
 * Setting velocity `player-info-forwarding-mode` to `modern` and `forwarding-secret`
 * Setting `secret` in `config/FabricProxy-Lite.toml` match velocity config
+

src/main/java/one/oktw/ModConfig.java

@@ -5,6 +5,7 @@ public class ModConfig {
     private boolean hackOnlineMode = true;
     private boolean hackEarlySend = false;
     private boolean hackMessageChain = true;
+    private boolean allowBypassProxy = false;
     private String secret = "";
 
     public boolean getHackOnlineMode() {
@@ -33,6 +34,15 @@ public boolean getHackMessageChain() {
             return Boolean.parseBoolean(env);
         }
     }
+
+    public boolean getallowBypassProxy() {
+        String env = System.getenv("ALLOW_BYPASS_PROXY");
+        if (env == null) {
+            return allowBypassProxy;
+        } else {
+            return Boolean.parseBoolean(env);
+        }
+    }
 
     public String getSecret() {
         String env = System.getenv("FABRIC_PROXY_SECRET");

src/main/java/one/oktw/PacketHandler.java

@@ -20,9 +20,8 @@ class PacketHandler {
     PacketHandler(ModConfig config) {
         this.config = config;
     }
-
     void handleVelocityPacket(MinecraftServer server, ServerLoginNetworkHandler handler, boolean understood, PacketByteBuf buf, ServerLoginNetworking.LoginSynchronizer synchronizer, PacketSender ignored) {
-        if (!understood) {
+        if (!understood && config.getallowBypassProxy() == false) {
             handler.disconnect(Text.of("This server requires you to connect with Velocity."));
             return;
         }