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A comment on Show HN: S3mini – Tiny and fast S3-compatible client, no-deps, edge-ready. Parent comment

Re:Show HN: S3mini – Tiny and fast S3-compatible client, no-... by formerly_proven on Wednesday June 11, 2025 @07:50AM (#44246614)
Because a bearer token is a bearer token to do any request, while a pre-signed request allows you to hand out the capability to perform _only that specific request_.
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Re:Show HN: S3mini – Tiny and fast S3-compatible client, no-... by degamad on Wednesday June 11, 2025 @06:39PM (#44252577)
Bearer tokens have a defined scope, which could be used to limit functionality in a similar way to pre-signed requests.

However, the s3 pre-signed requests functionality was launched in 2011, but the Bearer token RFC 6750 wasn't standardised until 2012...

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