discourse/lib/onebox/domain_checker.rb

# frozen_string_literal: true

module Onebox
  class DomainChecker
    def self.is_blocked?(hostname)
      SiteSetting
        .blocked_onebox_domains
        &.split("|")
        .any? { |blocked| hostname == blocked || hostname.end_with?(".#{blocked}") }
    end
  end
end