# File lib/action_dispatch/middleware/ssl.rb, line 5 def self.default_hsts_options { :expires => YEAR, :subdomains => false } end
# File lib/action_dispatch/middleware/ssl.rb, line 9 def initialize(app, options = {}) @app = app @hsts = options.fetch(:hsts, {}) @hsts = {} if @hsts == true @hsts = self.class.default_hsts_options.merge(@hsts) if @hsts @host = options[:host] @port = options[:port] end
# File lib/action_dispatch/middleware/ssl.rb, line 20 def call(env) request = Request.new(env) if request.ssl? status, headers, body = @app.call(env) headers = hsts_headers.merge(headers) flag_cookies_as_secure!(headers) [status, headers, body] else redirect_to_https(request) end end
tools.ietf.org/html/draft-hodges-strict-transport-sec-02
# File lib/action_dispatch/middleware/ssl.rb, line 46 def hsts_headers if @hsts value = "max-age=#{@hsts[:expires].to_i}" value += "; includeSubDomains" if @hsts[:subdomains] { 'Strict-Transport-Security' => value } else {} end end
# File lib/action_dispatch/middleware/ssl.rb, line 34 def redirect_to_https(request) url = URI(request.url) url.scheme = "https" url.host = @host if @host url.port = @port if @port headers = hsts_headers.merge('Content-Type' => 'text/html', 'Location' => url.to_s) [301, headers, []] end