From 1b8ad3ca122878245e4cf8e3a2c09d45477c1bf0 Mon Sep 17 00:00:00 2001
From: "Alex V." <119082209+Retengart@users.noreply.github.com>
Date: Sat, 7 Feb 2026 16:51:30 +0300
Subject: [PATCH] fix: handle turn_credentials exceptions in metadata proxy

ConnectionRefusedError/FileNotFoundError/TimeoutError from
turn_credentials() would kill the dict proxy connection.
Return N (not found) response instead and log the error.
---
 chatmaild/src/chatmaild/metadata.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/chatmaild/src/chatmaild/metadata.py b/chatmaild/src/chatmaild/metadata.py
index df835062..7b17977d 100644
--- a/chatmaild/src/chatmaild/metadata.py
+++ b/chatmaild/src/chatmaild/metadata.py
@@ -101,7 +101,11 @@ class MetadataDictProxy(DictProxy):
                 # Handle `GETMETADATA "" /shared/vendor/deltachat/irohrelay`
                 return f"O{self.iroh_relay}\n"
             elif keyname == "vendor/vendor.dovecot/pvt/server/vendor/deltachat/turn":
-                res = turn_credentials()
+                try:
+                    res = turn_credentials()
+                except Exception:
+                    logging.exception("failed to get TURN credentials")
+                    return "N\n"
                 port = 3478
                 return f"O{self.turn_hostname}:{port}:{res}\n"