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logging_util: Handle record.status_code missing in skip_200_and_304.

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Fixes #14595.
Invalid HTTP requests could end up in an unhandled exception in
skip_200_and_304 due the record not having the status_code attribute
set. With this change we'll avoid the exception

Example:
curl  -X POST -H 'Transfer-Encoding : chunked' --data-binary 'a' 'http://zulipdev.com:9991/json/messages/57'

2020-04-21 10:56:22.007 WARN [django.server] "POST /json/messages/57 HTTP/1.1" 405 95
2020-04-21 10:56:22.007 INFO [django.server] code 400, message Bad request syntax ('a')
2020-04-21 10:56:22.008 WARN [django.server] "a" 400 -
This commit is contained in:
Mateusz Mandera
2020-04-21 12:57:07 +02:00
committed by Tim Abbott
parent fead14951c
commit ec6022a186
1 changed files with 1 additions and 1 deletions
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2
zerver/lib/logging_util.py
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@@ -119,7 +119,7 @@ def skip_200_and_304(record: logging.LogRecord) -> bool:
# Apparently, `status_code` is added by Django and is not an actual
# attribute of LogRecord; as a result, mypy throws an error if we
# access the `status_code` attribute directly.
if getattr(record, 'status_code') in [200, 304]:
if getattr(record, 'status_code', None) in [200, 304]:
return False
return True