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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
lock_or_return("delete_in_progress:#{@account.id}") do
DeleteAccountService.new.call(@account, reserve_username: false, skip_activitypub: true)
end
end
def delete_note
return if object_uri.nil?
lock_or_return("delete_status_in_progress:#{object_uri}", 5.minutes.seconds) do
unless invalid_origin?(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!`
lock_or_fail("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?
forward! if @json['signature'].present? && @status.distributable?
delete_now!
end
end
def rebloggers_ids
return @rebloggers_ids if defined?(@rebloggers_ids)
@rebloggers_ids = @status.reblogs.includes(:account).references(:account).merge(Account.local).pluck(:account_id)
end
def inboxes_for_reblogs
Account.where(id: ::Follow.where(target_account_id: rebloggers_ids).select(:account_id)).inboxes
end
def replied_to_status
return @replied_to_status if defined?(@replied_to_status)
@replied_to_status = @status.thread
end
def reply_to_local?
!replied_to_status.nil? && replied_to_status.account.local?
end
def inboxes_for_reply
replied_to_status.account.followers.inboxes
end
def forward!
inboxes = inboxes_for_reblogs
inboxes += inboxes_for_reply if reply_to_local?
inboxes -= [@account.preferred_inbox_url]
sender_id = reply_to_local? ? replied_to_status.account_id : rebloggers_ids.first
ActivityPub::LowPriorityDeliveryWorker.push_bulk(inboxes.uniq) do |inbox_url|
[payload, sender_id, inbox_url]
end
end
def delete_now!
RemoveStatusService.new.call(@status, redraft: false)
end
def payload
@payload ||= Oj.dump(@json)
end
end