fix: Emoji domains cause issues

shaker.py

@@ -6,6 +6,7 @@ import dns.message
 import discord
 import json
 import requests
+import re
 
 load_dotenv()
 
@@ -77,14 +78,37 @@ async def handle_role(member: discord.Member, shouldHaveRole: bool):
 
 async def check_member(member: discord.Member) -> bool:
     if member.display_name[-1] != "/":
+        print("No trailing /",member.display_name,flush=True)
         await handle_role(member, False)
         return False
 
-    if check_name(member.id, member.display_name[0:-1]):
+    domain = member.display_name[0:-1]
+    name_idna = domain.strip().rstrip("/").encode("idna")
+    name_ascii = name_idna.decode("ascii")
+    parts = name_ascii.split(".")
+
+    for part in parts:
+        if not re.match(r'[A-Za-z0-9-_]+$', part):
+            try:
+                print("Name not verified, removing /",member.display_name,flush=True)
+                await member.edit(nick=member.display_name[0:-1])
+            except Exception as e:
+                print(e)
+            await handle_role(member, False)
+            return False
+    
+    try:
+        name_rendered = name_idna.decode("idna")
+    except UnicodeError: # don't render invalid punycode
+        name_rendered = name_ascii
+
+    if check_name(member.id, name_ascii):
+        print("Name verified",member.display_name,flush=True)
         await handle_role(member, True)
         return True
     
     try:
+        print("Name not verified, removing /",member.display_name,flush=True)
         await member.edit(nick=member.display_name[0:-1])
     except Exception as e:
         print(e)