stac-extensions / stac-extensions/authentication
Indicate expiration of signed url
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Description
A common use case when using STAC API with STAC Assets that reference S3 objects is to to generate presigned URLs on egress. However, these urls have a (usually) pretty short expiration time. I think it would be useful to notate on these that they will expire.
Maybe a field "authentication:expiry" with a RFC3339 datetime of the URL expiration?
I could also see a use for an authentication scheme of a new type none that auth:refs could use, and then that scheme definition indicates that there are no additional authentication steps required for access, but that the href will expire though a field like "expiry".
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Research direction
Start with the two alternatives proposed in the issue: an authentication:expiry field or a none scheme with expiry. Resolve which representation and RFC3339 behavior should be specified; done means the chosen model is documented and the ambiguity is removed.
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Assessment
- Domain
- authentication
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100