'use strict'; module.exports.create = function (lex, securePort, insecurePort, info, serverCallback) { var PromiseA = require('bluebird').Promise; var appPromise; //var app; var http = require('http'); var redirectives; function useAppInsecurely(req, res) { if (!appPromise) { return false; } appPromise.then(function (app) { req._WALNUT_SECURITY_EXCEPTION = true; app(req, res); }); return true; } function redirectHttps(req, res) { // Let it do this once they visit the https site // res.setHeader('Strict-Transport-Security', 'max-age=10886400; includeSubDomains; preload'); var host = req.headers.host || ''; var url = req.url; // TODO // XXX NOTE: info.conf.redirects may or may not be loaded at first // the object will be modified when the config is loaded if (!redirectives && info.conf.redirects) { redirectives = require('./hostname-redirects').compile(info.conf.redirects); } if (require('./no-www').scrubTheDub(req, res, redirectives)) { return true; } // TODO // allow exceptions for the case of arduino and whatnot that cannot handle https? // http://evothings.com/is-it-possible-to-secure-micro-controllers-used-within-iot/ // needs ECDSA? if (/redirect-www.org$/.test(host) && useAppInsecurely(req, res)) { return true; } var escapeHtml = require('escape-html'); var newLocation = 'https://' + host.replace(/:\d+/, ':' + securePort) + url ; var safeLocation = escapeHtml(newLocation); var metaRedirect = '' + '\n' + '\n' + ' \n' + ' \n' + '\n' + '\n' + '

You requested an insecure resource. Please use this instead: \n' + ' ' + safeLocation + '

\n' + '\n' + '\n' ; // DO NOT HTTP REDIRECT /* res.setHeader('Location', newLocation); res.statusCode = 302; */ // BAD NEWS BEARS // // When people are experimenting with the API and posting tutorials // they'll use cURL and they'll forget to prefix with https:// // If we allow that, then many users will be sending private tokens // and such with POSTs in clear text and, worse, it will work! // To minimize this, we give browser users a mostly optimal experience, // but people experimenting with the API get a message letting them know // that they're doing it wrong and thus forces them to ensure they encrypt. res.setHeader('Content-Type', 'text/html; charset=utf-8'); res.end(metaRedirect); } // TODO localhost-only server shutdown mechanism // that closes all sockets, waits for them to finish, // and then hands control over completely to respawned server // // Redirect HTTP to HTTPS // // This simply redirects from the current insecure location to the encrypted location // var insecureServer; insecureServer = http.createServer(); insecureServer.listen(insecurePort, function () { console.log("\nListening on http://localhost:" + insecureServer.address().port); console.log("(handling any explicit redirects and redirecting all other traffic to https)\n"); if (serverCallback) { appPromise = serverCallback(null, insecureServer); } }); if (lex) { var LEX = require('letsencrypt-express'); insecureServer.on('request', LEX.createAcmeResponder(lex, redirectHttps)); } else { insecureServer.on('request', redirectHttps); } return PromiseA.resolve(insecureServer); };