telebit.js/bin/stunnel.js

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#!/usr/bin/env node
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(function () {
'use strict';
var pkg = require('../package.json');
var program = require('commander');
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var url = require('url');
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var stunnel = require('../wsclient.js');
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function parseProxy(location) {
// http:john.example.com:3000
// http://john.example.com:3000
var parts = location.split(':');
//var dual = false;
if (/\./.test(parts[0])) {
//dual = true;
parts[2] = parts[1];
parts[1] = parts[0];
parts[0] = 'https';
}
parts[0] = parts[0].toLowerCase();
parts[1] = parts[1].toLowerCase().replace(/(\/\/)?/, '') || '*';
parts[2] = parseInt(parts[2], 10) || 0;
if (!parts[2]) {
// TODO grab OS list of standard ports?
if ('http' === parts[0]) {
parts[2] = 80;
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}
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else if ('https' === parts[0]) {
parts[2] = 443;
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}
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else {
throw new Error("port must be specified - ex: tls:*:1337");
}
}
return {
protocol: parts[0]
, hostname: parts[1]
, port: parts[2]
};
}
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function collectProxies(val, memo) {
var vals = val.split(/,/g);
vals.map(parseProxy).forEach(function (val) {
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memo.push(val);
});
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return memo;
}
program
.version(pkg.version)
//.command('jsurl <url>')
.arguments('<url>')
.action(function (url) {
program.url = url;
})
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.option('-k --insecure', 'Allow TLS connections to stunneld without valid certs (rejectUnauthorized: false)')
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.option('--locals <LINE>', 'comma separated list of <proto>:<//><servername>:<port> to which matching incoming http and https should forward (reverse proxy). Ex: https://john.example.com,tls:*:1337', collectProxies, [ ]) // --reverse-proxies
.option('--stunneld <URL>', 'the domain (or ip address) at which you are running stunneld.js (the proxy)') // --proxy
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.option('--secret <STRING>', 'the same secret used by stunneld (used for JWT authentication)')
.option('--token <STRING>', 'a pre-generated token for use with stunneld (instead of generating one with --secret)')
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.parse(process.argv)
;
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program.stunneld = program.stunneld || 'wss://pokemap.hellabit.com:3000';
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var jwt = require('jsonwebtoken');
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var domainsMap = {};
var tokenData = {
name: null
, domains: null
};
var location = url.parse(program.stunneld);
if (!location.protocol || /\./.test(location.protocol)) {
program.stunneld = 'wss://' + program.stunneld;
location = url.parse(program.stunneld);
}
program.stunneld = location.protocol + '//' + location.hostname + (location.port ? ':' + location.port : '');
program.locals.forEach(function (proxy) {
domainsMap[proxy.hostname] = true;
});
tokenData.domains = Object.keys(domainsMap);
tokenData.name = tokenData.domains[0];
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program.token = program.token || jwt.sign(tokenData, program.secret || 'shhhhh');
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program.net = {
createConnection: function (info, cb) {
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// data is the hello packet / first chunk
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// info = { data, servername, port, host, remoteFamily, remoteAddress, remotePort }
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var net = require('net');
// socket = { write, push, end, events: [ 'readable', 'data', 'error', 'end' ] };
var socket = net.createConnection({ port: info.port, host: info.host }, cb);
return socket;
}
};
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program.locals.forEach(function (proxy) {
console.log('[local proxy]', proxy.protocol + '://' + proxy.hostname + ':' + proxy.port);
});
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stunnel.connect(program);
}());