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4 comments
dansup

@grishka So on Smithereen, are group posts also sent to the users followers outside of the group? How are you handling private groups?

Григорий Клюшников

dansup, they're only sent to followers, but anyone could fetch them by direct link. They have an extra `target` field with the wall collection, and are addressed to as:Public (and group's followers in my case, not sure if that's necessary). Crucially, they aren't addressed to the user's own followers. When you post, you first send a Create{Note} to the group's inbox, then the group actor sends an Add activity to followers saying that it added the post to its wall collection. It works exactly like Announce{Note} otherwise. It's in my FEP that you probably already know about: https://git.activitypub.dev/ActivityPubDev/Fediverse-Enhancement-Proposals/src/commit/f94077e1514928c2d2ae79d86a5953c93874b73d/feps/fep-400e.md

I currently don't have private anything because I'm kinda reluctant about it. In a decentralized system, privacy on viewing something would basically rely on any server admins involved not looking into their databases. But apparently there is a demand for this anyway, so I could add private (or "closed", in VK terms) groups at some point. Need invitations first tho.

dansup, they're only sent to followers, but anyone could fetch them by direct link. They have an extra `target` field with the wall collection, and are addressed to as:Public (and group's followers in my case, not sure if that's necessary). Crucially, they aren't addressed to the user's own followers. When you post, you first send a Create{Note} to the group's inbox, then the group actor sends an Add activity to followers saying that it added the post to its wall collection. It works exactly like...

Григорий Клюшников

dansup, and if you want to test, you can test against this instance (friends.grishka.me), ping me whenever you want any logs.

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