this post was submitted on 16 Jun 2023
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Understanding ActivityPub and Federation

I have tried to understand how Federation works but I'm getting a feeling that there's some rather large gaps here. My first attempt was to find an API implementation in python, 3 wasted hours of my life later and I'm making requests.request() calls like it's 2007. And I still can't access the content as presented on the webinterfaces. There doesn't seem to be a way to access eg the communities tab via activitypub? Any Help?

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[–] Hexorg@beehaw.org 9 points 2 years ago (5 children)

ActivityPub is what instances use to talk to each other, not what the web interface uses. So the way Communities are propagated over the ActivityPub depends on what lemmy does, not what ActivityPub wants. Are you trying to develop your own instance or are you trying to make a 3rd party UI for lemmy?

[–] JustusWingert@mastodon.social 1 points 2 years ago (1 children)

@Hexorg I've begun yesterday with the question "why can't I access information without first having to know where it is?" I've now basically gone through confusion, anger, disbelieve and now acceptance that there really is nothing to find. In the end the concept of federation says that stuff should be accessible from anywhere. But it isn't. Which is a pretty big problem imo.
My goal is to indeed create a generic fediverse reader, not using any specific platform APIs.

[–] Hexorg@beehaw.org 5 points 2 years ago

Well mastodon doesn’t have the concept of communities. You’re kinda saying “I’m trying to implement a generic html reader, why can’t I find the search bar” - it’s because not every site uses/needs it.

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