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Enhance HELLO message handling to support re-authentication and reset session state

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kc1awv
2025-12-31 07:12:08 -05:00
parent d4188214dc
commit 6d4e67748c
1 changed files with 21 additions and 1 deletions
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22
rrcd/service.py
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@@ -2168,8 +2168,28 @@ class HubService:
return
if t == T_HELLO:
# Allow re-authentication if client reconnects with same Link ID
# (can happen when client restarts but RNS reuses deterministic link_id)
if self.identity is not None:
self._emit_error(outgoing, link, src=self.identity.hash, text="HELLO already sent")
# Reset session state and process as new HELLO
sess["welcomed"] = False
sess["rooms"] = set()
sess["nick"] = None
# Process the HELLO message
if isinstance(body, dict):
nick = body.get(B_HELLO_NICK)
n = normalize_nick(nick, max_chars=self.config.nick_max_chars)
if n is not None:
sess["nick"] = n
# Send WELCOME
sess["welcomed"] = True
body_w: dict[int, Any] = {B_WELCOME_HUB: self.config.hub_name}
if self.config.greeting:
body_w[B_WELCOME_GREETING] = self.config.greeting
welcome = make_envelope(T_WELCOME, src=self.identity.hash, body=body_w)
self._queue_env(outgoing, link, welcome)
return
if t == T_JOIN: