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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Need help implementing ActivityPub - getting inconsistent results across platforms (blenderdumbass.org)

submitted 15 hours ago by [email protected] to c/[email protected]

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My friend is working on adding ActivityPub support to his blog platform (BDServer) so people can follow/comment from Mastodon, Lemmy, etc.

Current status: Lemmy and Misskey can find and follow his account (@[email protected]), but Mastodon can't find it at all, even though he sees proper ActivityPub requests hitting his server.

The technical details are pretty gnarly - RSA signature verification, HTTP header recreation, multi-threading issues. He wrote up the full journey here: Please Help Me With Activity Pub

If anyone has ActivityPub experience or wants to take a look at the code (Python), we have a Matrix room for BDServer development. Any insights on why different platforms behave differently would be super helpful.

https://matrix.to/#/#bdserver:tchncs.de

Source code: ActivityPub.py

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[–] [email protected] 2 points 14 hours ago (10 children)

Seems like somebody mentioned the account on the fediverse that started a chain reaction of various instances requesting a bunch of stuff. Which made it to Mastodon.social too. It still doesn't work though.

The server is written in python and the idea is to make it deploy-able without needing to install anything extra. So I'm trying to implement my own activity pub.

[–] [email protected] 0 points 14 hours ago (5 children)

Running curl https://blenderdumbass.org/activitypub/account/blenderdumbass -H "Accept: application/activity+json" twice in a row outputs some bunkerweb anti-spam stuff.

[–] [email protected] 1 points 13 hours ago (1 children)

try spoofing a user-agent or torifying it maybe

[–] [email protected] 2 points 12 hours ago

While I'm sure that would let me see the article, mastodon probably wouldn't handle it well.

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