class Falcon::Redirection

def call(request)
	if endpoint = lookup(request)
		location = "https://#{request.authority}#{request.path}"
		
		return Async::HTTP::Response[301, {'location' => location}, []]
	else
		super
	end
end

def initialize(app, hosts)
	super(app)
	
	@hosts = hosts
end

def lookup(request)
	# Trailing dot and port is ignored/normalized.
	if authority = request.authority.sub(/(\.)?(:\d+)?$/, '')
		return @hosts[authority]
	end
end