# frozen_string_literal: true # Released under the MIT License. # Copyright, 2022-2023, by Samuel Williams. module Rackup module Handler class CGI include Rack def self.run(app, **options) $stdin.binmode serve app end def self.serve(app) env = ENV.to_hash env.delete "HTTP_CONTENT_LENGTH" env[SCRIPT_NAME] = "" if env[SCRIPT_NAME] == "/" env.update( RACK_INPUT => $stdin, RACK_ERRORS => $stderr, RACK_URL_SCHEME => ["yes", "on", "1"].include?(ENV[HTTPS]) ? "https" : "http" ) env[QUERY_STRING] ||= "" env[REQUEST_PATH] ||= "/" status, headers, body = app.call(env) begin send_headers status, headers send_body body ensure body.close if body.respond_to? :close end end def self.send_headers(status, headers) $stdout.print "Status: #{status}\r\n" headers.each { |k, vs| vs.split("\n").each { |v| $stdout.print "#{k}: #{v}\r\n" } } $stdout.print "\r\n" $stdout.flush end def self.send_body(body) body.each { |part| $stdout.print part $stdout.flush } end end register :cgi, CGI end end