andylamp commented on code in PR #32867:
URL: https://github.com/apache/airflow/pull/32867#discussion_r1276315679
##########
airflow/models/connection.py:
##########
@@ -43,6 +47,26 @@ def parse_netloc_to_hostname(*args, **kwargs):
return _parse_netloc_to_hostname(*args, **kwargs)
+def sanitize_conn_id(conn_id: str | None) -> str | None:
+ """
+ Sanitises 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.
Review Comment:
I did what the initial behaviour was - if the sanitized string is `None`
then an exception is raised by SQL Alchemy anyway, as this is a non-NULLable
field.
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