mastodon/app/lib/activitypub
ThibG 7467361d70 Fetch boosted statuses on behalf of a follower (fixes ) ()
When an ActivityPub Announce is processed and the boosted toot is not known,
fetch it on behalf of one of the booster's followers. This is to allow
fetching self-boosts of previously-unknown private toots.

If fetching on behalf of a user fails, try fetching it anonymously: the
selected follower of a boosting user may be banned by the boosted toot's
author.
..
activity Fetch boosted statuses on behalf of a follower (fixes ) ()
activity.rb Fixes/do not override timestamps ()
adapter.rb Add bio fields ()
case_transform.rb Add serializing/unserializing of "locked" actor attribute ()
linked_data_signature.rb Validate id of ActivityPub representations ()
tag_manager.rb Fix handling of malformed ActivityPub payloads when URIs are nil ()