walnut.js/lib/worker.js

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'use strict';
module.exports.create = function (webserver, info) {
var path = require('path');
var vhostsdir = path.join(__dirname, 'vhosts');
var app = require('express')();
var apiHandler;
/*
function unlockDevice(conf, state) {
return require('./lib/unlock-device').create().then(function (result) {
result.promise.then(function (_rootMasterKey) {
process.send({
type: 'com.daplie.walnut.keys.root'
conf: {
rootMasterKey: _rootMasterkey
}
});
conf.locked = false;
if (state.caddy) {
state.caddy.update(conf);
}
conf.rootMasterKey = _rootMasterKey;
});
return result.app;
});
}
*/
function scrubTheDubHelper(req, res/*, next*/) {
// hack for bricked app-cache
if (/\.appcache\b/.test(req.url)) {
res.setHeader('Content-Type', 'text/cache-manifest');
res.end('CACHE MANIFEST\n\n# v0__DELETE__CACHE__MANIFEST__\n\nNETWORK:\n*');
return;
}
// TODO port number for non-443
var escapeHtml = require('escape-html');
var newLocation = 'https://' + req.hostname.replace(/^www\./, '') + req.url;
var safeLocation = escapeHtml(newLocation);
var metaRedirect = ''
+ '<html>\n'
+ '<head>\n'
+ ' <style>* { background-color: white; color: white; text-decoration: none; }</style>\n'
+ ' <META http-equiv="refresh" content="0;URL=' + safeLocation + '">\n'
+ '</head>\n'
+ '<body style="display: none;">\n'
+ ' <p>You requested an old resource. Please use this instead: \n'
+ ' <a href="' + safeLocation + '">' + safeLocation + '</a></p>\n'
+ '</body>\n'
+ '</html>\n'
;
// 301 redirects will not work for appcache
res.end(metaRedirect);
}
function scrubTheDub(req, res, next) {
var host = req.hostname;
if (!host || 'string' !== typeof host) {
next();
return;
}
host = host.toLowerCase();
if (/^www\./.test(host)) {
scrubTheDubHelper(req, res, next);
return;
}
}
function handleApi(req, res, next) {
if (!/^\/api/.test(req.url)) {
next();
return;
}
// TODO move to caddy parser?
if (/(^|\.)proxyable\./.test(req.hostname)) {
// device-id-12345678.proxyable.myapp.mydomain.com => myapp.mydomain.com
// proxyable.myapp.mydomain.com => myapp.mydomain.com
// TODO myapp.mydomain.com.daplieproxyable.com => myapp.mydomain.com
req.hostname = req.hostname.replace(/.*\.?proxyable\./, '');
}
if (apiHandler) {
if (apiHandler.then) {
apiHandler.then(function (app) {
app(req, res, next);
});
return;
}
apiHandler(req, res, next);
return;
}
apiHandler = require('./vhost-server').create(info.localPort, vhostsdir).create(webserver, app).then(function (app) {
// X-Forwarded-For
// X-Forwarded-Proto
console.log('api server', req.hostname, req.secure, req.ip);
apiHandler = app;
app(req, res, next);
});
}
if (info.trustProxy) {
app.set('trust proxy', ['loopback']);
//app.set('trust proxy', function (ip) { ... });
}
app.use('/', scrubTheDub);
app.use('/', handleApi);
return app;
};