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mastodon/app/lib/activitypub/activity/delete.rb

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# frozen_string_literal: true
class ActivityPub::Activity::Delete < ActivityPub::Activity
def perform
if @account.uri == object_uri
delete_person
else
delete_note
end
end
private
def delete_person
with_redis_lock("delete_in_progress:#{@account.id}", autorelease: 2.hours, raise_on_failure: false) do
DeleteAccountService.new.call(@account, reserve_username: false, skip_activitypub: true)
end
end
def delete_note
return if object_uri.nil?
with_redis_lock("delete_status_in_progress:#{object_uri}", raise_on_failure: false) do
unless non_matching_uri_hosts?(@account.uri, object_uri)
# This lock ensures a concurrent `ActivityPub::Activity::Create` either
# does not create a status at all, or has finished saving it to the
# database before we try to load it.
# Without the lock, `delete_later!` could be called after `delete_arrived_first?`
# and `Status.find` before `Status.create!`
with_redis_lock("create:#{object_uri}") { delete_later!(object_uri) }
Tombstone.find_or_create_by(uri: object_uri, account: @account)
end
@status = Status.find_by(uri: object_uri, account: @account)
@status ||= Status.find_by(uri: @object['atomUri'], account: @account) if @object.is_a?(Hash) && @object['atomUri'].present?
return if @status.nil?
forwarder.forward! if forwarder.forwardable?
delete_now!
end
end
def forwarder
@forwarder ||= ActivityPub::Forwarder.new(@account, @json, @status)
end
def delete_now!
RemoveStatusService.new.call(@status, redraft: false)
end
end