# What this PR does
Adds a new `regex_match` filter to Jinja environment.
## Which issue(s) this PR fixes
This should be useful on its own, and also helpful for
https://github.com/grafana/oncall/pull/1555.
## Checklist
- [x] Tests updated
- [x] Documentation added
- [x] `CHANGELOG.md` updated
# What this PR does
- Implement recapthca v3 check. DRF_RECAPTCHA didn't support hostname
validation and it's too complicated to add it.
- Add validation of verification code on oncall side to not to call
twilio with obviously invalid codes
## Checklist
- [x] Tests updated
- [ ] Documentation added
- [ ] `CHANGELOG.md` updated
# What this PR does
This is a minor refactor before implementing
https://github.com/grafana/oncall-private/issues/1558.
Additionally, it cleans up a few spots where we do this:
```
# Re-take in case we are in the readonly db context.
```
We currently don't read anything from a read-only database, so this
should be not necessary.
## Checklist
- [x] Tests updated
- [ ] Documentation added (N/A)
- [ ] `CHANGELOG.md` updated (N/A)
* Centralize timezone validation into one spot + add serializer validation
for schedules and oncall shifts (both public and internal API)
* add engine-manage make command
* Improve feedback so template errors are given to user
* Add security error logging
* Add limits for templates, payloads, results
* Show popup error notification for webhook errors and template errors that don't have a result
* Update tests
* Split exceptions into warnings/errors to give more control when previewing, rendering, saving templates
* Limit title lengths
* Make TypeError a warning
* Adjust title length limit
* Remove length limiting on urlize since it is being done on template render
* Fix tests
* Add KeyError and ValueError to warnings
* No longer enforcing json result when saving webhook in case it is dependent on payload
* Add tests for expected exceptions coming from apply_jinja_template
* Update changelog
* Send raw post if template result is not JSON
