app/controllers/api/v1/instances/peers_controller.rb


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# frozen_string_literal: true

class Api::V1::Instances::PeersController < Api::BaseController
  before_action :require_enabled_api!
  skip_before_action :set_cache_headers
  skip_before_action :require_authenticated_user!, unless: :whitelist_mode?

  respond_to :json

  def index
    expires_in 1.day, public: true
    render_with_cache(expires_in: 1.day) { actively_federated_domains }
  end

  private

  def actively_federated_domains
    blocks = DomainBlock.suspend
    Account.remote.where(suspended_at: nil).domains.reject { |domain| blocks.where('domain LIKE ?', "%.#{domain}").exists? }
  end

  def require_enabled_api!
    head 404 unless Setting.peers_api_enabled
  end
end