Backport #38108
- Enforce repository token scope on RSS/Atom feed endpoints so a PAT
without repo scope can no longer read private repo commit data.
- Block HTTP redirects during repository migration clones to prevent
SSRF reaching internal addresses via an attacker-controlled redirect.
- Redact the notification subject after repo access is revoked so
private issue/PR metadata is no longer leaked through the notification
API.
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
## ⚠️ BREAKING ⚠️
- delete reaction endpoints is changed to return 204 No Content rather
than 200 with no content.
## Summary
Add swagger:enum annotations and migrate all enum comments from the
deprecated comma-separated format to JSON arrays. Introduce
NotifySubjectStateType with open/closed/merged values. Fix delete
reaction endpoints to return 204 instead of 200.
When a user has been revoked permission to access a repository, the
related notification could still be visited. But the repository's
information should not be leaked any more.
bircni