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[chore] Roll back use of (created) pseudo-header pending #2991 (#2992)

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tobi 2024-06-10 20:42:26 +02:00 • committed by GitHub
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docs/federation/federating_with_gotosocial.md
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@ -42,10 +42,12 @@ ED25519
GoToSocial request signing is implemented in [internal/transport](https://github.com/superseriousbusiness/gotosocial/blob/main/internal/transport/signing.go).
When assembling signatures:
Once https://github.com/superseriousbusiness/gotosocial/issues/2991 is resolved, GoToSocial will use the `(created)` pseudo-header instead of `date`.
- outgoing `GET` requests use `(request-target) (created) host`
- outgoing `POST` requests use `(request-target) (created) host digest`
For now however, when assembling signatures:
- outgoing `GET` requests use `(request-target) host date`
- outgoing `POST` requests use `(request-target) host date digest`
GoToSocial sets the "algorithm" field in signatures to the value `hs2019`, which essentially means "derive the algorithm from metadata associated with the keyId". The *actual* algorithm used for generating signatures is `RSA_SHA256`, which is in line with other ActivityPub implementations. When validating a GoToSocial HTTP signature, remote servers can safely assume that the signature is generated using `sha256`.