From fa7a41cecd8d8ff8dd77a49cbeb2730051d56c2c Mon Sep 17 00:00:00 2001
From: ChomeNS <95471003+chomens@users.noreply.github.com>
Date: Thu, 31 Oct 2024 18:19:14 +0700
Subject: [PATCH] NBot hashing (BROKEN !!!!!!!!)

---
 .../chipmunk/chipmunkmod/Configuration.java   |  1 +
 .../chipmunkmod/commands/ValidateCommand.java |  1 +
 .../util/BotValidationUtilities.java          | 48 ++++++++++++++++++-
 src/main/resources/default_config.json        |  1 +
 4 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/src/main/java/land/chipmunk/chipmunkmod/Configuration.java b/src/main/java/land/chipmunk/chipmunkmod/Configuration.java
index ada19a8..8acf323 100644
--- a/src/main/java/land/chipmunk/chipmunkmod/Configuration.java
+++ b/src/main/java/land/chipmunk/chipmunkmod/Configuration.java
@@ -27,6 +27,7 @@ public class Configuration {
     public BotInfo chipmunk = new BotInfo("'", null);
     public ChomeNSBotInfo chomens = new ChomeNSBotInfo("*", null, null, null);
     public BotInfo fnfboyfriend = new BotInfo("~", null);
+    public BotInfo nbot = new BotInfo("?", null);
     public BotInfo kittycorp = new BotInfo("^", null);
     public TestBotInfo testbot = new TestBotInfo("-", null);
   }
diff --git a/src/main/java/land/chipmunk/chipmunkmod/commands/ValidateCommand.java b/src/main/java/land/chipmunk/chipmunkmod/commands/ValidateCommand.java
index 2030015..9923ea1 100644
--- a/src/main/java/land/chipmunk/chipmunkmod/commands/ValidateCommand.java
+++ b/src/main/java/land/chipmunk/chipmunkmod/commands/ValidateCommand.java
@@ -23,6 +23,7 @@ public class ValidateCommand {
           return chomens(getString(c, "command"));
         })))
         .then(literal("fnfboyfriend").then(argument("command", greedyString()).executes(c -> fnfboyfriend(getString(c, "command")))))
+              .then(literal("nbot").then(argument("command", greedyString()).executes(c -> nbot(getString(c, "command")))))
         .then(literal("kittycorp").then(argument("command", greedyString()).executes(c -> kittycorp(getString(c, "command")))))
     );
   }
diff --git a/src/main/java/land/chipmunk/chipmunkmod/util/BotValidationUtilities.java b/src/main/java/land/chipmunk/chipmunkmod/util/BotValidationUtilities.java
index aa79138..12343b3 100644
--- a/src/main/java/land/chipmunk/chipmunkmod/util/BotValidationUtilities.java
+++ b/src/main/java/land/chipmunk/chipmunkmod/util/BotValidationUtilities.java
@@ -11,6 +11,7 @@ import net.minecraft.client.network.ClientPlayNetworkHandler;
 import net.minecraft.client.network.ClientPlayerEntity;
 
 import java.math.BigInteger;
+import java.nio.ByteBuffer;
 import java.nio.charset.StandardCharsets;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -122,7 +123,9 @@ public class BotValidationUtilities {
             String[] arguments = command.split(" ");
 
             long currentTime = System.currentTimeMillis() / 1000;
-            String input = currentTime + ChipmunkMod.CONFIG.bots.fnfboyfriend.key;
+            final String key = ChipmunkMod.CONFIG.bots.fnfboyfriend.key;
+            if (key == null) throw new RuntimeException("The key of the bot is unspecified (null), did you incorrectly add it to your config?");
+            String input = currentTime + key;
             MessageDigest digest = MessageDigest.getInstance("SHA-256");
             byte[] hash = digest.digest(input.getBytes());
             StringBuilder hexString = new StringBuilder();
@@ -144,6 +147,49 @@ public class BotValidationUtilities {
         return Command.SINGLE_SUCCESS;
     }
 
+    // !!! broken (for now)
+    public static int nbot (String command) throws RuntimeException {
+        final Configuration.BotInfo info = ChipmunkMod.CONFIG.bots.nbot;
+
+        final MinecraftClient client = MinecraftClient.getInstance();
+
+        final String prefix = info.prefix;
+        final String key = info.key;
+        if (key == null) throw new RuntimeException("The key of the bot is unspecified (null), did you incorrectly add it to your config?");
+
+        try {
+            String[] arguments = command.split(" ");
+
+            MessageDigest md = MessageDigest.getInstance("SHA-256");
+
+            String time = String.valueOf(System.currentTimeMillis() / 5_000);
+            String input = arguments[0].replaceAll("&[0-9a-fklmnor]", "") + ";" + client.player.getUuidAsString() + ";" + time + ";" + key;
+
+            md.update(input.getBytes(StandardCharsets.UTF_8));
+
+            byte[] hash = md.digest();
+
+            long bigInt = ByteBuffer.wrap(new byte[] {0, 0, hash[0], hash[1], hash[2], hash[3], hash[4], hash[5]}).getLong();
+
+            String stringHash = Long.toUnsignedString(bigInt, 36).substring(0, 6);
+
+            final String[] restArguments = Arrays.copyOfRange(arguments, 1, arguments.length);
+
+            final String toSend = prefix +
+                    arguments[0] +
+                    " " +
+                    stringHash +
+                    " " +
+                    String.join(" ", restArguments);
+
+            Chat.sendChatMessage(toSend, true);
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        }
+
+        return Command.SINGLE_SUCCESS;
+    }
+
     public static int kittycorp (String command) throws RuntimeException {
         final Configuration.BotInfo info = ChipmunkMod.CONFIG.bots.kittycorp;
         final ClientPlayNetworkHandler networkHandler = MinecraftClient.getInstance().getNetworkHandler();
diff --git a/src/main/resources/default_config.json b/src/main/resources/default_config.json
index 86bff87..85762f0 100644
--- a/src/main/resources/default_config.json
+++ b/src/main/resources/default_config.json
@@ -16,6 +16,7 @@
     "chipmunk": { "prefix": "'", "key": null },
     "chomens": { "prefix": "*", "key": null, "authKey": null, "formatKey": null },
     "fnfboyfriend": { "prefix": "~", "key": null },
+    "nbot": { "prefix": "?", "key": null },
     "kittycorp": { "prefix": "^", "key": null },
     "testbot": { "prefix": "-", "webhookUrl": null }
   },