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fix(IMAP): safely handle UID FETCH response

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This commit is contained in:
s-aga-r 2026-02-23 11:45:08 +05:30
parent 067ab442a6
commit dc11227b73
1 changed files with 20 additions and 5 deletions
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25
frappe/email/receive.py
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@ -270,14 +270,29 @@ class EmailServer:
return match[0] if match else None
def retrieve_message(self, uid, msg_num, folder):
def retrieve_message(self, uid, msg_num, folder) -> None:
try:
if cint(self.settings.use_imap):
_status, message = self.imap.uid("fetch", uid, "(BODY.PEEK[] BODY.PEEK[HEADER] FLAGS)")
raw = message[0]
_status, data = self.imap.uid("fetch", uid, "(BODY.PEEK[] FLAGS)")
self.get_email_seen_status(uid, raw[0])
self.latest_messages.append(raw[1])
if _status != "OK" or not data:
return
raw_email = next(
(part[1] for part in data if isinstance(part, tuple) and b"BODY[]" in part[0]), None
)
if raw_email is None:
return
flags_line = next(
(part for part in data if isinstance(part, bytes) and b"FLAGS" in part), None
)
if flags_line is not None:
self.get_email_seen_status(uid, flags_line)
self.latest_messages.append(raw_email)
else:
msg = self.pop.retr(msg_num)
self.latest_messages.append(b"\n".join(msg[1]))