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# frozen_string_literal: true
class SuspendAccountService < BaseService
ASSOCIATIONS_ON_SUSPEND = %w(
account_pins
active_relationships
block_relationships
blocked_by_relationships
conversation_mutes
conversations
custom_filters
domain_blocks
favourites
follow_requests
list_accounts
media_attachments
mute_relationships
muted_by_relationships
notifications
owned_lists
passive_relationships
report_notes
scheduled_statuses
status_pins
stream_entries
subscriptions
).freeze
ASSOCIATIONS_ON_DESTROY = %w(
reports
targeted_moderation_notes
targeted_reports
).freeze
# Suspend an account and remove as much of its data as possible
# @param [Account]
# @param [Hash] options
# @option [Boolean] :including_user Remove the user record as well
# @option [Boolean] :destroy Remove the account record instead of suspending
def call(account, **options)
@account = account
@options = options
purge_user!
purge_profile!
purge_content!
end
private
def purge_user!
return if !@account.local? || @account.user.nil?
if @options[:including_user]
@account.user.destroy
else
@account.user.disable!
end
end
def purge_content!
distribute_delete_actor! if @account.local?
@account.statuses.reorder(nil).find_in_batches do |statuses|
BatchedRemoveStatusService.new.call(statuses, skip_side_effects: @options[:destroy])
end
associations_for_destruction.each do |association_name|
destroy_all(@account.public_send(association_name))
end
@account.destroy if @options[:destroy]
end
def purge_profile!
# If the account is going to be destroyed
# there is no point wasting time updating
# its values first
return if @options[:destroy]
@account.silenced = false
@account.suspended = true
@account.locked = false
@account.display_name = ''
@account.note = ''
@account.fields = []
@account.statuses_count = 0
@account.followers_count = 0
@account.following_count = 0
@account.moved_to_account = nil
@account.avatar.destroy
@account.header.destroy
@account.save!
end
def destroy_all(association)
association.in_batches.destroy_all
end
def distribute_delete_actor!
ActivityPub::DeliveryWorker.push_bulk(delivery_inboxes) do |inbox_url|
[delete_actor_json, @account.id, inbox_url]
end
ActivityPub::LowPriorityDeliveryWorker.push_bulk(low_priority_delivery_inboxes) do |inbox_url|
[delete_actor_json, @account.id, inbox_url]
end
end
def delete_actor_json
return @delete_actor_json if defined?(@delete_actor_json)
payload = ActiveModelSerializers::SerializableResource.new(
@account,
serializer: ActivityPub::DeleteActorSerializer,
adapter: ActivityPub::Adapter
).as_json
@delete_actor_json = Oj.dump(ActivityPub::LinkedDataSignature.new(payload).sign!(@account))
end
def delivery_inboxes
@delivery_inboxes ||= @account.followers.inboxes + Relay.enabled.pluck(:inbox_url)
end
def low_priority_delivery_inboxes
Account.inboxes - delivery_inboxes
end
def associations_for_destruction
if @options[:destroy]
ASSOCIATIONS_ON_SUSPEND + ASSOCIATIONS_ON_DESTROY
else
ASSOCIATIONS_ON_SUSPEND
end
end
end
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