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
Did something change since this was posted?
I can look it up properly on mastodon.
You have to be signed in to fetch accounts on mastodon, is that the problem?
Are you using any framework to build the site? There’s a few libraries for activitypub.
These links could be helpful: https://codeberg.org/fediverse/delightful-activitypub-development/
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.