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Code Packages Wiki Activity

feat: add duplicate delivery code (#617)

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This change adds a new problem type, duplicate delivery, for when the same activity is delivered multiple times.

Reviewed-on: https://codeberg.org/fediverse/fep/pulls/617
Co-authored-by: Evan Prodromou <codeberg@evanprodromou.name>
Co-committed-by: Evan Prodromou <codeberg@evanprodromou.name>
This commit is contained in:
Evan Prodromou
2025-06-04 11:27:26 +02:00
committed by silverpill
parent 7bc97c995b
commit 69311f171d
1 changed files with 16 additions and 0 deletions
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fep/c180/fep-c180.md
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@@ -78,6 +78,20 @@ The activity refers to an object in one of its properties, such as `object`, `ta
Note that this type is distinct from an endpoint returning a 404 Not Found status code for a GET request for an object that does not exist, or for posting to an endpoint that does not exist.
#### Duplicate delivery
- applicability: inbox, sharedInbox
- type: https://w3id.org/fep/c180#duplicate-delivery
- title: Duplicate delivery
- status: 400 Bad Request
- additional fields:
- id: The `id` of the activity that was previously delivered
The activity has already been delivered to the `inbox` or to all accounts using the `sharedInbox`.
Note that this is different from [Redundant activity](#redundant-activity). Duplicate delivery is when the same activity is delivered multiple times. Redundant activity is when two different activities that
do the same thing are received.
#### Redundant activity
- applicability: inbox, outbox, sharedInbox, media upload
@@ -91,6 +105,8 @@ The activity is a duplicate of a previous activity which has already been proces
Activity types that are often treated as idempotent and can only be processed once include `Create`, `Delete`, `Follow`, `Accept`, `Reject`, `Add`, `Remove`, `Block`, `Undo`, and `Like`. Other activity types like `Announce` are treated as idempotent by some servers.
Note that this is different from [Duplicate delivery](#duplicate-delivery).Redundant activity is when two different activities that do the same thing are received. Duplicate delivery is when the same activity is delivered multiple times.
#### Approval required
- applicability: inbox, outbox, sharedInbox, media upload