open-vault/changelog/16249.txt
Gabriel Santos ff5ff849fd
PKI - Honor header If-Modified-Since if present (#16249)
* honor header if-modified-since if present

* pathGetIssuerCRL first version

* check if modified since for CA endpoints

* fix date comparison for CA endpoints

* suggested changes and refactoring

* add writeIssuer to updateDefaultIssuerId and fix error

* Move methods out of storage.go into util.go

For the most part, these take a SC as param, but aren't directly storage
relevant operations. Move them out of storage.go as a result.

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

* Use UTC timezone for storage

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

* Rework path_fetch for better if-modified-since handling

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

* Invalidate all issuers, CRLs on default write

When the default is updated, access under earlier timestamps will not
work as we're unclear if the timestamp is for this issuer or a previous
issuer. Thus, we need to invalidate the CRL and both issuers involved
(previous, next) by updating their LastModifiedTimes.

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

* Add tests for If-Modified-Since

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

* Correctly invalidate default issuer changes

When the default issuer changes, we'll have to mark the invalidation on
PR secondary clusters, so they know to update their CRL mapping as well.
The swapped issuers will have an updated modification time (which will
eventually replicate down and thus be correct), but the CRL modification
time is cluster-local information and thus won't be replicated.

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

* make fmt

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

* Refactor sendNotModifiedResponseIfNecessary

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

* Add changelog entry

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

* Add documentation on if-modified-since

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>

Signed-off-by: Alexander Scheel <alex.scheel@hashicorp.com>
Co-authored-by: Alexander Scheel <alex.scheel@hashicorp.com>
2022-08-29 15:28:47 -04:00

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```release-note:improvement
secrets/pki: Honor If-Modified-Since header on CA, CRL fetch; requires passthrough_request_headers modification on the mount point.
```