Fediverse

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A community to talk about the Fediverse and all it's related services using ActivityPub (Mastodon, Lemmy, KBin, etc).

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One Login: Towards a Single Fediverse Identity on ActivityPub (thenewstack.io)

submitted 6 months ago by [email protected] to c/[email protected]

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In response to Bray’s toot, Evan Prodromou — one of the creators of ActivityPub, who is currently writing an O’Reilly book about the protocol — noted that this “is also the argument for using the ActivityPub API.” He described the API as “an open, extensible API that can handle any kind of activity type — not just short text.”

This gets to the nub of the issue. The fact that I can’t use my Mastodon identity to, for example, sign up to Pixelfed is not actually an ActivityPub issue — it’s because the two applications, Mastodon and Pixelfed, each require you to create an account on their respective products. What Prodromou is suggesting is that, technically, you can use the ActivityPub API for account access.

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[–] [email protected] 8 points 6 months ago

“ActivityPub’s API is how client applications interact with the data on a user’s main account server. It lets the user read data on the same or other servers, and it lets them create activities and other kinds of objects on that server that get shared (under the user’s control) with the rest of the world.”

I can't see how Apub's C2S API can realistically be implemented. It's fairly light on details and if I'm understanding it correctly the only standard way to get activity from the server is to pull from an actor's inbox, which has to be an OrderedCollection of all the activity the actor has received (likes, notifications, posts, the lot). This shifts a lot of the work to clients which, apart from being being very classist, is very limiting for implementations.