mastodon/app/controllers/well_known/host_meta_controller.rb

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# frozen_string_literal: true
module WellKnown
class HostMetaController < ActionController::Base
include RoutingHelper
before_action { response.headers['Vary'] = 'Accept' }
def show
@webfinger_template = "#{webfinger_url}?resource={uri}"
respond_to do |format|
format.xml { render content_type: 'application/xrd+xml' }
end
expires_in(3.days, public: true)
end
end
end