From 7e30dd7b93954442789fd7195df5c75f9699264c Mon Sep 17 00:00:00 2001
From: ImproperIssues <ItziSpyder@gmail.com>
Date: Sat, 27 May 2023 14:28:07 -0700
Subject: [PATCH] antiswear leet string checks

---
 .../ogredupealias/plugin/ChatConstraints.java    |  6 ++++--
 .../ogre/ogredupealias/utils/StringUtils.java    | 16 ++++++++++++++++
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/main/java/fun/ogre/ogredupealias/plugin/ChatConstraints.java b/src/main/java/fun/ogre/ogredupealias/plugin/ChatConstraints.java
index 02a6275..7e30a94 100644
--- a/src/main/java/fun/ogre/ogredupealias/plugin/ChatConstraints.java
+++ b/src/main/java/fun/ogre/ogredupealias/plugin/ChatConstraints.java
@@ -3,6 +3,7 @@ package fun.ogre.ogredupealias.plugin;
 import fun.ogre.ogredupealias.data.Config;
 import fun.ogre.ogredupealias.utils.ArrayUtils;
 import fun.ogre.ogredupealias.utils.ServerUtils;
+import fun.ogre.ogredupealias.utils.StringUtils;
 import fun.ogre.ogredupealias.utils.Text;
 import net.md_5.bungee.api.chat.ClickEvent;
 import net.md_5.bungee.api.chat.HoverEvent;
@@ -88,7 +89,8 @@ public class ChatConstraints {
         if (player.hasPermission("oda.chat.bypass.swear")) return true;
 
         // 1
-        String msg = message.replaceAll("[^A-Za-z0-9]", "").trim();
+        String msg = StringUtils.fromLeetString(message);
+        msg = msg.replaceAll("[^A-Za-z0-9]", "").trim();
         // 2
         msg = msg.toLowerCase();
         // 3
@@ -110,7 +112,7 @@ public class ChatConstraints {
         if (!flags.isEmpty()) {
             player.sendMessage(Text.ofAll("&cPlease do not swear in chat! Attempting to bypass this filter would result in a mute!"));
             // 7
-            String hover = Text.color("&bMessage: &f" + msg + "\n&bFlags: &f" + ArrayUtils.list2string(flags) + "\n&7&o(click to copy)");
+            String hover = Text.color("&bOriginal: &f" + this.message + "\n&bMessage: &f" + msg + "\n&bFlags: &f" + ArrayUtils.list2string(flags) + "\n&7&o(click to copy)");
             TextComponent text = new TextComponent();
             text.setText(Text.ofAll("&f&n" + player.getName() + "&e has triggered the anti-swear!"));
             text.setHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, TextComponent.fromLegacyText(hover)));
diff --git a/src/main/java/fun/ogre/ogredupealias/utils/StringUtils.java b/src/main/java/fun/ogre/ogredupealias/utils/StringUtils.java
index 354dc12..c198ef3 100644
--- a/src/main/java/fun/ogre/ogredupealias/utils/StringUtils.java
+++ b/src/main/java/fun/ogre/ogredupealias/utils/StringUtils.java
@@ -15,4 +15,20 @@ public final class StringUtils {
         for (String str : sArray) sb.append(capitalize(str)).append(" ");
         return sb.toString().trim();
     }
+
+    public static String fromLeetString(String s) {
+        return s.replaceAll("0", "o")
+                .replaceAll("1", "i")
+                .replaceAll("3", "e")
+                .replaceAll("4", "a")
+                .replaceAll("5", "s")
+                .replaceAll("7", "l")
+                .replaceAll("\\$", "s")
+                .replaceAll("!", "i")
+                .replaceAll("\\+", "t")
+                .replaceAll("#", "h")
+                .replaceAll("@", "a")
+                .replaceAll("<", "c")
+                .replaceAll("v", "u");
+    }
 }