mirror of https://github.com/Siphonay/mastodon
73 lines
2.2 KiB
Ruby
73 lines
2.2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class Scheduler::SelfDestructScheduler
|
|
include Sidekiq::Worker
|
|
include SelfDestructHelper
|
|
|
|
MAX_ENQUEUED = 10_000
|
|
MAX_REDIS_MEM_USAGE = 0.5
|
|
MAX_ACCOUNT_DELETIONS_PER_JOB = 50
|
|
|
|
sidekiq_options retry: 0, lock: :until_executed, lock_ttl: 1.day.to_i
|
|
|
|
def perform
|
|
return unless self_destruct?
|
|
return if sidekiq_overwhelmed?
|
|
|
|
delete_accounts!
|
|
end
|
|
|
|
private
|
|
|
|
def sidekiq_overwhelmed?
|
|
redis_mem_info = Sidekiq.redis_info
|
|
|
|
Sidekiq::Stats.new.enqueued > MAX_ENQUEUED || redis_mem_info['used_memory'].to_f > redis_mem_info['total_system_memory'].to_f * MAX_REDIS_MEM_USAGE
|
|
end
|
|
|
|
def delete_accounts!
|
|
# We currently do not distinguish between deleted accounts and suspended
|
|
# accounts, and we do not want to remove the records in this scheduler, as
|
|
# we still rely on it for account delivery and don't want to perform
|
|
# needless work when the database can be outright dropped after the
|
|
# self-destruct.
|
|
# Deleted accounts are suspended accounts that do not have a pending
|
|
# deletion request.
|
|
|
|
# This targets accounts that have not been deleted nor marked for deletion yet
|
|
Account.local.without_suspended.reorder(id: :asc).take(MAX_ACCOUNT_DELETIONS_PER_JOB).each do |account|
|
|
delete_account!(account)
|
|
end
|
|
|
|
return if sidekiq_overwhelmed?
|
|
|
|
# This targets accounts that have been marked for deletion but have not been
|
|
# deleted yet
|
|
Account.local.suspended.joins(:deletion_request).take(MAX_ACCOUNT_DELETIONS_PER_JOB).each do |account|
|
|
delete_account!(account)
|
|
account.deletion_request&.destroy
|
|
end
|
|
end
|
|
|
|
def inboxes
|
|
@inboxes ||= Account.inboxes
|
|
end
|
|
|
|
def delete_account!(account)
|
|
payload = ActiveModelSerializers::SerializableResource.new(
|
|
account,
|
|
serializer: ActivityPub::DeleteActorSerializer,
|
|
adapter: ActivityPub::Adapter
|
|
).as_json
|
|
|
|
json = Oj.dump(ActivityPub::LinkedDataSignature.new(payload).sign!(account))
|
|
|
|
ActivityPub::DeliveryWorker.push_bulk(inboxes, limit: 1_000) do |inbox_url|
|
|
[json, account.id, inbox_url]
|
|
end
|
|
|
|
# Do not call `Account#suspend!` because we don't want to issue a deletion request
|
|
account.update!(suspended_at: Time.now.utc, suspension_origin: :local)
|
|
end
|
|
end
|