Dan Brown 856fca8289
Updated CSP with frame-src rules
- Configurable via 'ALLOWED_IFRAME_SOURCES' .env option.
- Also updated how CSP rules are set, with a single header being used
  instead of many.
- Also applied CSP rules to HTML export outputs.
- Updated tests to cover.

For #3314
2022-03-07 14:27:41 +00:00
..
2021-08-24 21:23:55 +01:00
2022-01-07 13:04:49 +00:00
2021-12-20 17:40:27 +00:00
2021-11-13 13:28:17 +00:00
2021-06-26 15:23:15 +00:00
2022-01-10 18:18:15 +00:00