* Add a limit to how many posts can get fetched as a result of a single request
* Add tests
* Always pass `request_id` when processing `Announce` activities
---------
Co-authored-by: nametoolong <nametoolong@users.noreply.github.com>
* Fix possible race conditions when suspending/unsuspending accounts
* Fix tests
Tests were assuming SuspensionWorker and UnsuspensionWorker would do the
suspending/unsuspending themselves, but this has changed.
* Fix trying to fetch posts from other users when fetching featured posts
* Rate-limit discovery of new subdomains
* Put a limit on recursively discovering new accounts
Before this change, the following error would cause VerifyAccountLinksWorker to fail:
NoMethodError: undefined method `downcase' for nil:NilClass
[PROJECT_ROOT]/app/services/verify_link_service.rb:31 :in `block in link_back_present?`
* Fix followers count not being updated when migrating follows
Fixes#19900
* Fix validation error in SynchronizeFeaturedTagsCollectionWorker
Also saves remote user's chosen case for hashtags
* Limit remote featured tags before validation
* Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService
ActivityPub::FetchRemoteAccountService is kept as a wrapper for when the actor is
specifically required to be an Account
* Refactor SignatureVerification to allow non-Account actors
* fixup! Move ActivityPub::FetchRemoteAccountService to ActivityPub::FetchRemoteActorService
* Refactor ActivityPub::FetchRemoteKeyService to potentially return non-Account actors
* Refactor inbound ActivityPub payload processing to accept non-Account actors
* Refactor inbound ActivityPub processing to accept activities relayed through non-Account
* Refactor how Account key URIs are built
* Refactor Request and drop unused key_id_format parameter
* Rename ActivityPub::Dereferencer `signature_account` to `signature_actor`