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 (@blenderdumbass@blenderdumbass.org), 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
I was trying something on lemmy a while ago and it required an
@context.I don’t know if somethings changed, but it actually doesn’t. This lines would need to be
WithContext<SharedInboxActivities>>for that to be the case, and just to make sure I tested against a local running main and was able to send activities to it without the@contextjust fine.