Add GetObjectLegalHold satellite endpoint

[ferristocrat]

Goal

This issue is to make meaningful progress on Object Lock implementation within core and edge services. Specifically, to support immutable backups in backup software products like Veeam.

What needs to be done? • Acceptance Criteria

Add the corresponding to GetObjectLegalHold endpoint on the satellite (the endpoint can be named differently) to respond with the following:

• Retrieves the Legal Hold status of an object.

Summary

Implementation reference.

Depends on…

• 471

  Links

• https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetObjectLockConfiguration.html

• an easy-to-read and insightful introduction to Object Lock: Using S3 Object Lock

[storj-gerrit[bot]]

Change satellite/metabase: add GetObjectExactVersionLegalHold method mentions this issue.

[storj-gerrit[bot]]

Change satellite/metabase: add GetObjectLastCommittedLegalHold method mentions this issue.

[storj-gerrit[bot]]

Change satellite/metainfo: implement GetObjectLegalHold endpoint mentions this issue.