Miretpl commented on code in PR #72162:
URL: https://github.com/apache/airflow/pull/72162#discussion_r3994035220
##########
providers/amazon/src/airflow/providers/amazon/aws/log/s3_task_handler.py:
##########
@@ -84,6 +84,18 @@ def upload(self, path: os.PathLike | str, ti: RuntimeTI |
None = None) -> None:
local_loc = self.base_log_folder.joinpath(path)
remote_loc = os.path.join(self.remote_base, path)
+ # The log path is supplied by the caller and is not guaranteed to stay
within
+ # ``base_log_folder``: ``joinpath`` and ``PurePath.relative_to`` are
purely lexical and
+ # do not normalise ``..``. Without this check a traversing path would
have its contents
+ # uploaded to the remote log store and, with ``delete_local_copy``,
its parent directory
+ # removed. Mirrors the containment check in
``CloudWatchRemoteLogIO.upload``.
Review Comment:
I would remove that comment. It basically describes what a couple of lines
underneath are doing. The same goes for other files.
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