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# frozen_string_literal: true
class BlockDomainService < BaseService
attr_reader :domain_block
def call(domain_block)
@domain_block = domain_block
LogWorker.perform_async("\xf0\x9f\x9a\xab Applying #{@domain_block.severity}#{@domain_block.force_sensitive? ? " and force sensitive media" : ''}#{@domain_block.reject_media? ? " and reject media" : ''} policy on domain '#{blocked_domain}'.")
process_domain_block!
end
private
def process_domain_block!
clear_media! if domain_block.reject_media?
force_accounts_sensitive! if domain_block.force_sensitive?
if domain_block.force_unlisted?
force_accounts_unlisted!
elsif domain_block.silence?
silence_accounts!
elsif domain_block.suspend?
suspend_accounts!
end
end
def invalidate_association_caches!
# Normally, associated models of a status are immutable (except for accounts)
# so they are aggressively cached. After updating the media attachments to no
# longer point to a local file, we need to clear the cache to make those
# changes appear in the API and UI
@affected_status_ids.each { |id| Rails.cache.delete_matched("statuses/#{id}-*") }
end
def force_accounts_sensitive!
ApplicationRecord.transaction do
blocked_domain_accounts.in_batches.update_all(force_sensitive: true)
blocked_domain_accounts.reorder(nil).find_each do |account|
account.statuses.where(sensitive: false).in_batches.update_all(sensitive: true)
end
end
invalidate_association_caches! unless @affected_status_ids.blank?
end
def force_accounts_unlisted!
ApplicationRecord.transaction do
blocked_domain_accounts.in_batches.update_all(force_unlisted: true)
blocked_domain_accounts.reorder(nil).find_each do |account|
account.statuses.with_public_visibility.in_batches.update_all(visibility: :unlisted)
end
end
end
def silence_accounts!
blocked_domain_accounts.without_silenced.in_batches.update_all(silenced_at: @domain_block.created_at)
end
def clear_media!
@affected_status_ids = []
clear_account_images!
clear_account_attachments!
clear_emojos!
invalidate_association_caches!
end
def suspend_accounts!
blocked_domain_accounts.without_suspended.reorder(nil).find_each do |account|
SuspendAccountService.new.call(account, suspended_at: @domain_block.created_at)
end
end
def clear_account_images!
blocked_domain_accounts.reorder(nil).find_each do |account|
account.avatar.destroy if account.avatar.exists?
account.header.destroy if account.header.exists?
account.save
end
end
def clear_account_attachments!
media_from_blocked_domain.reorder(nil).find_each do |attachment|
@affected_status_ids << attachment.status_id if attachment.status_id.present?
attachment.file.destroy if attachment.file.exists?
attachment.type = :unknown
attachment.save
end
end
def clear_emojos!
emojis_from_blocked_domains.destroy_all
end
def blocked_domain
domain_block.domain
end
def blocked_domain_accounts
Account.where(domain: blocked_domain)
end
def media_from_blocked_domain
MediaAttachment.joins(:account).merge(blocked_domain_accounts).reorder(nil)
end
def emojis_from_blocked_domains
CustomEmoji.where(domain: blocked_domain)
end
end
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