andylamp commented on code in PR #32867:
URL: https://github.com/apache/airflow/pull/32867#discussion_r1452755358
##########
airflow/models/connection.py:
##########
@@ -43,6 +47,30 @@ def parse_netloc_to_hostname(*args, **kwargs):
return _parse_netloc_to_hostname(*args, **kwargs)
+def sanitize_conn_id(conn_id: str | None) -> str | None:
+ """
+ Sanitizes the connection id and allows only specific characters to be
within. Namely,
+ it allows alphanumeric characters plus the symbols @,#,$,%,&,!,-,_,. and
() from 1
+ and up to 200 consecutive matches.
+
+ The character selection is such that it prevents the injection of
javascript or
+ executable bits in order to avoid any awkward behavior in the front-end.
+
+ :param conn_id: The connection id to sanitize.
+ :return: the sanitized string, `None` otherwise.
+ """
+ # check if `conn_id` or our match group is `None`
+ if conn_id is None or (res := re2.match(_RE_SANITIZE_CONN_ID, conn_id)) is
None:
+ # comment, so it works...?
+ # log.warning(
+ # "We failed to match `conn_id` with value: %s to the allowed
pattern or it was None",
+ # conn_id,
+ # )
Review Comment:
I feel this is resolved given the current context of the PR... if not feel
free to re-open ;)
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