Add checking for IPv6 regex

mapadroid/websocket/communicator.py

@@ -275,11 +275,17 @@ async def get_external_ip(self) -> Optional[str]:
             found = re.search('(((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)\.?\\b){4})', res)
             if found:
                 ip_address_found = found.group(1)
+            else:
+                # No IPv4 address found - could be an IPv6 address was returned...
+                # https://stackoverflow.com/questions/53497/regular-expression-that-matches-valid-ipv6-addresses
+                ipv6_search = re.search('(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))', res)
+                if ipv6_search:
+                    ip_address_found = found.group(1)
         except Exception as e:
             logger.error(f"Failed parsing external IP: {e}")
             return None
 
-        if ip_address_found and type(ip_address(ip_address_found)) is IPv4Address:
+        if ip_address_found and ip_address(ip_address_found):
             return ip_address_found
         else:
             logger.error(f"{ip_address_found} is not a valid IPv4 address")