2015-02-18 23:06:56 -07:00
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'use strict';
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module.exports.create = function (securePort, insecurePort, redirects) {
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2015-03-06 03:04:51 +00:00
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var PromiseA = require('bluebird').Promise;
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var http = require('http');
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var escapeRe;
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2015-02-18 23:06:56 -07:00
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function redirectHttps(req, res) {
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2015-09-25 08:06:47 +00:00
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res.setHeader('Strict-Transport-Security', 'max-age=10886400; includeSubDomains; preload');
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2015-02-18 23:06:56 -07:00
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var insecureRedirects;
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var host = req.headers.host || '';
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var url = req.url;
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// because I have domains for which I don't want to pay for SSL certs
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insecureRedirects = redirects.sort(function (a, b) {
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var hlen = b.from.hostname.length - a.from.hostname.length;
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var plen;
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if (!hlen) {
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plen = b.from.path.length - a.from.path.length;
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return plen;
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}
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return hlen;
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}).forEach(function (redirect) {
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var origHost = host;
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2015-03-06 03:04:51 +00:00
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if (!escapeRe) {
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escapeRe = require('escape-string-regexp');
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}
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2015-02-18 23:06:56 -07:00
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// TODO if '*' === hostname[0], omit '^'
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host = host.replace(
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new RegExp('^' + escapeRe(redirect.from.hostname))
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, redirect.to.hostname
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);
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if (host === origHost) {
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return;
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}
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url = url.replace(
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new RegExp('^' + escapeRe(redirect.from.path))
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, redirect.to.path
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);
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});
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2015-07-14 21:44:02 +00:00
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var escapeHtml = require('escape-html');
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2015-02-18 23:06:56 -07:00
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var newLocation = 'https://'
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+ host.replace(/:\d+/, ':' + securePort) + url
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;
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2015-07-08 21:20:57 -06:00
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var safeLocation = escapeHtml(newLocation);
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2015-02-18 23:06:56 -07:00
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var metaRedirect = ''
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+ '<html>\n'
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+ '<head>\n'
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+ ' <style>* { background-color: white; color: white; text-decoration: none; }</style>\n'
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2015-07-08 21:20:57 -06:00
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+ ' <META http-equiv="refresh" content="0;URL=' + safeLocation + '">\n'
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2015-02-18 23:06:56 -07:00
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+ '</head>\n'
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+ '<body style="display: none;">\n'
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+ ' <p>You requested an insecure resource. Please use this instead: \n'
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2015-07-08 21:20:57 -06:00
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+ ' <a href="' + safeLocation + '">' + safeLocation + '</a></p>\n'
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2015-02-18 23:06:56 -07:00
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+ '</body>\n'
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+ '</html>\n'
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;
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// DO NOT HTTP REDIRECT
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/*
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res.setHeader('Location', newLocation);
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res.statusCode = 302;
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*/
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// BAD NEWS BEARS
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//
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// When people are experimenting with the API and posting tutorials
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// they'll use cURL and they'll forget to prefix with https://
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// If we allow that, then many users will be sending private tokens
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// and such with POSTs in clear text and, worse, it will work!
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// To minimize this, we give browser users a mostly optimal experience,
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// but people experimenting with the API get a message letting them know
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// that they're doing it wrong and thus forces them to ensure they encrypt.
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2015-07-08 21:20:57 -06:00
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res.setHeader('Content-Type', 'text/html; charset=utf-8');
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2015-02-18 23:06:56 -07:00
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res.end(metaRedirect);
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}
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// TODO localhost-only server shutdown mechanism
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// that closes all sockets, waits for them to finish,
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// and then hands control over completely to respawned server
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//
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2015-02-20 22:34:17 +00:00
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// Redirect HTTP to HTTPS
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2015-02-18 23:06:56 -07:00
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//
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// This simply redirects from the current insecure location to the encrypted location
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//
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2015-02-20 22:34:17 +00:00
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var insecureServer;
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2015-02-18 23:06:56 -07:00
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insecureServer = http.createServer();
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insecureServer.on('request', redirectHttps);
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2015-02-20 22:34:17 +00:00
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insecureServer.listen(insecurePort, function () {
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2015-03-06 03:04:51 +00:00
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console.log("\nListening on https://localhost:" + insecureServer.address().port);
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console.log("(redirecting all traffic to https)\n");
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2015-02-18 23:06:56 -07:00
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});
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2015-03-06 03:04:51 +00:00
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return PromiseA.resolve(insecureServer);
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2015-02-18 23:06:56 -07:00
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};
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