From 68a3feb2fe4f5a4be0d64b02095e0c2a96d98fd4 Mon Sep 17 00:00:00 2001
From: mike <mpf84@pm.me>
Date: Tue, 9 Apr 2024 00:12:42 -0700
Subject: [PATCH] A few typo fixes and NAWS update detection and handling.

---
 evennia/server/portal/portalsessionhandler.py | 2 +-
 evennia/server/portal/telnet.py               | 8 ++++++--
 evennia/server/serversession.py               | 2 +-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/evennia/server/portal/portalsessionhandler.py b/evennia/server/portal/portalsessionhandler.py
index 8a5ed53ce2..bd248cc8a7 100644
--- a/evennia/server/portal/portalsessionhandler.py
+++ b/evennia/server/portal/portalsessionhandler.py
@@ -468,7 +468,7 @@ class PortalSessionHandler(SessionHandler):
             kwargs (any): Each key is a command instruction to the
                 protocol on the form key = [[args],{kwargs}]. This will
                 call a method send_<key> on the protocol. If no such
-                method exixts, it sends the data to a method send_default.
+                method exits, it sends the data to a method send_default.
 
         """
         # from evennia.server.profiling.timetrace import timetrace  # DEBUG
diff --git a/evennia/server/portal/telnet.py b/evennia/server/portal/telnet.py
index cb577f3835..eeb00ba053 100644
--- a/evennia/server/portal/telnet.py
+++ b/evennia/server/portal/telnet.py
@@ -31,6 +31,7 @@ from twisted.internet.task import LoopingCall
 from evennia.server.portal import mssp, naws, suppress_ga, telnet_oob, ttype
 from evennia.server.portal.mccp import MCCP, Mccp, mccp_compress
 from evennia.server.portal.mxp import Mxp, mxp_parse
+from evennia.server.portal.naws import NAWS
 from evennia.utils import ansi
 from evennia.utils.utils import class_from_module, to_bytes
 
@@ -91,9 +92,12 @@ class TelnetProtocol(Telnet, StatefulTelnetProtocol, _BASE_SESSION_CLASS):
         of incoming data.
 
         """
-        # print(f"telnet dataReceived: {data}")
         try:
-            super().dataReceived(data)
+            # Do we have a NAWS update?
+            if NAWS in data and len([data[i:i+1] for i in range(0, len(data))]) == 9:
+                self.sessionhandler.sync(self.sessionhandler.get(self.sessid))
+            else:
+                super().dataReceived(data)
         except ValueError as err:
             from evennia.utils import logger
 
diff --git a/evennia/server/serversession.py b/evennia/server/serversession.py
index 5177f30f5d..c4048e19ca 100644
--- a/evennia/server/serversession.py
+++ b/evennia/server/serversession.py
@@ -268,7 +268,7 @@ class ServerSession(_BASE_SESSION_CLASS):
 
         Notes:
             Since protocols can vary, no checking is done
-            as to the existene of the flag or not. The input
+            as to the existence of the flag or not. The input
             data should have been validated before this call.
 
         """