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Is there a spec somewhere on how Lemmy, Kbin and the rest of the threadiverse use ActivityPub? (sh.itjust.works)

submitted 2 years ago by [email protected] to c/[email protected]

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It seems to me the basic ActivityPub specification is written from the perspective of Mastodon and Twitter-like fediverse instances.

I assume Lemmy and kbin did extend this with some more objects or at least agreed how to use the existing objects and activities there to model a link aggregator with comments on top of that.

Is there some sort of specification or design document about this somewhere? All I found when googling were some old links that resulted in a 404 and the current Lemmy documentation seems more focussed on users, admins and developers and less on the protocol side of things.

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[–] [email protected] 1 points 2 years ago (1 children)

Thanks, that was very helpful. I was basically hoping to find a document that covered the second half of your comment.

I don't have any concrete plans to work on Lemmy so far but I was thinking about the possibility of tags for posts (especially but not only NSFW ones) and filters that work on those tags. Of course if you can rely on the author to tag everything that would probably just be some new extension to the post object but I was considering the option of something similar to the tag systems on adult image or story hosting sistes or Steam where third parties can add, modify or remove tags/metadata about the content in some way too.

It sounds to me as if something like that would probably be modelled similar to top-level comments in the AP ecosystem (but of course displayed and used differently).

[–] [email protected] 1 points 2 years ago

With the specific concern/idea you are talking about, I have suggested the use of a system like (or just ripping-off wholesale) the Mastodon Content Warning system in a discussion where someone was advocating a "porn" tag in addition to the NSFW one, which I thought was not going to be flexible enough.