Merge branch 'forwarding'
This commit is contained in:
tigerbot
commit
5719a8a434
@ -19,7 +19,7 @@ function run(config) {
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worker.send(config);
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});
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}
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console.log('config.tcp.ports', config.tcp.ports);
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console.log('config.tcp.bind', config.tcp.bind);
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work();
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}
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@ -127,13 +127,13 @@ function readConfigAndRun(args) {
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var PromiseA = require('bluebird');
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var tcpProm, dnsProm;
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if (config.tcp.ports) {
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if (config.tcp.bind) {
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tcpProm = PromiseA.resolve();
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} else {
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tcpProm = new PromiseA(function (resolve, reject) {
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require('../lib/check-ports').checkTcpPorts(function (failed, bound) {
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config.tcp.ports = Object.keys(bound);
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if (config.tcp.ports.length) {
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config.tcp.bind = Object.keys(bound);
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if (config.tcp.bind.length) {
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resolve();
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} else {
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reject(failed);
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32
goldilocks.example.yml
Normal file
32
goldilocks.example.yml
Normal file
@ -0,0 +1,32 @@
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tcp:
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bind:
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- 22
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- 80
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- 443
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modules:
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- name: forward
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ports:
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- 22
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address: '127.0.0.1:8022'
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tls:
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modules:
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- name: proxy
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domains:
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- localhost.bar.daplie.me
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- localhost.foo.daplie.me
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address: '127.0.0.1:5443'
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http:
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trustProxy: true
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allowInsecure: false
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primaryDomain: localhost.foo.daplie.me
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modules:
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- name: proxy
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domains:
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- localhost.daplie.me
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address: '127.0.0.1:4000'
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- name: static
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domains:
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- '*.localhost.daplie.me'
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root: '/srv/www/:hostname'
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@ -5,219 +5,56 @@ module.exports.create = function (deps, config) {
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//var PromiseA = global.Promise;
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var PromiseA = require('bluebird');
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var greenlock = require('greenlock');
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var listeners = require('./servers').listeners;
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var parseSni = require('sni');
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var modules = { };
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var program = {
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tlsOptions: require('localhost.daplie.me-certificates').merge({})
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// , acmeDirectoryUrl: 'https://acme-v01.api.letsencrypt.org/directory'
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, acmeDirectoryUrl: 'https://acme-staging.api.letsencrypt.org/directory'
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// , challengeType: 'tls-sni-01' // won't work with a tunnel
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, challengeType: 'http-01'
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};
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var secureContexts = {};
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var tunnelAdminTlsOpts = {};
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var tls = require('tls');
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var modules;
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var tcpRouter = {
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_map: { }
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, _create: function (address, port) {
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// port provides hinting for http, smtp, etc
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return function (conn, firstChunk, opts) {
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console.log('[tcpRouter] ' + address + ':' + port + ' ' + (opts.servername || ''));
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var m;
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var str;
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var hostname;
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var newHeads;
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// TODO test per-module
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// Maybe HTTP
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if (firstChunk[0] > 32 && firstChunk[0] < 127) {
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str = firstChunk.toString();
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m = str.match(/(?:^|[\r\n])Host: ([^\r\n]+)[\r\n]*/im);
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hostname = (m && m[1].toLowerCase() || '').split(':')[0];
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console.log('[tcpRouter] hostname', hostname);
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if (/HTTP\//i.test(str)) {
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//conn.__service = 'http';
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}
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}
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if (!hostname) {
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// TODO allow tcp tunneling
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// TODO we need some way of tagging tcp as either terminated tls or insecure
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conn.write(
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"HTTP/1.1 404 Not Found\r\n"
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+ "Date: Fri, 31 Dec 1999 23:59:59 GMT\r\n"
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+ "Content-Type: text/html\r\n"
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+ "Content-Length: " + 9 + "\r\n"
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+ "\r\n"
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+ "Not Found"
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);
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conn.end();
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return;
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}
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// Poor-man's http proxy
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// XXX SECURITY XXX: should strip existing X-Forwarded headers
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newHeads =
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[ "X-Forwarded-Proto: " + (opts.encrypted ? 'https' : 'http')
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, "X-Forwarded-For: " + (opts.remoteAddress || conn.remoteAddress)
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, "X-Forwarded-Host: " + hostname
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];
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if (!opts.encrypted) {
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// a exists-only header that a bad client could not remove
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newHeads.push("X-Not-Encrypted: yes");
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}
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if (opts.servername) {
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newHeads.push("X-Forwarded-Sni: " + opts.servername);
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if (opts.servername !== hostname) {
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// an exists-only header that a bad client could not remove
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newHeads.push("X-Two-Servernames: yes");
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}
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}
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firstChunk = firstChunk.toString('utf8');
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// JSON.stringify("Host: example.com\r\nNext: Header".replace(/(Host: [^\r\n]*)/i, "$1" + "\r\n" + "X: XYZ"))
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firstChunk = firstChunk.replace(/(Host: [^\r\n]*)/i, "$1" + "\r\n" + newHeads.join("\r\n"));
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process.nextTick(function () {
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conn.unshift(Buffer.from(firstChunk, 'utf8'));
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});
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//
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// hard-coded routes for the admin interface
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if (
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/\blocalhost\.admin\./.test(hostname) || /\badmin\.localhost\./.test(hostname)
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|| /\blocalhost\.alpha\./.test(hostname) || /\balpha\.localhost\./.test(hostname)
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) {
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if (!modules.admin) {
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modules.admin = require('./modules/admin.js').create(deps, config);
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}
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modules.admin.emit('connection', conn);
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return;
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}
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// TODO static file handiling and such or whatever
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if (!modules.http) {
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modules.http = require('./modules/http.js').create(deps, config);
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}
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opts.hostname = hostname;
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conn.__opts = opts;
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modules.http.emit('connection', conn);
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};
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}
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, get: function getTcpRouter(address, port) {
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address = address || '0.0.0.0';
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var id = address + ':' + port;
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if (!tcpRouter._map[id]) {
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tcpRouter._map[id] = tcpRouter._create(address, port);
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}
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return tcpRouter._map[id];
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}
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};
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var tlsRouter = {
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_map: { }
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, _create: function (address, port/*, nextServer*/) {
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// port provides hinting for https, smtps, etc
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return function (socket, firstChunk, opts) {
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if (opts.hyperPeek) {
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// See "PEEK COMMENT" for more info
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// This was peeked at properly, so we don't have to re-wrap it
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// in order to get the connection to not hang.
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// The real first 'data' and 'readable' events will occur as they should
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program.tlsTunnelServer.emit('connection', socket);
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return;
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}
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var servername = opts.servername;
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var packerStream = require('tunnel-packer').Stream;
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var myDuplex = packerStream.create(socket);
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myDuplex.remoteAddress = opts.remoteAddress || myDuplex.remoteAddress;
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myDuplex.remotePort = opts.remotePort || myDuplex.remotePort;
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console.log('[tlsRouter] ' + address + ':' + port + ' servername', servername, myDuplex.remoteAddress);
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// needs to wind up in one of 3 states:
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// 1. SNI-based Proxy / Tunnel (we don't even need to put it through the tlsSocket)
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// 2. Admin Interface (skips the proxying)
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// 3. Terminated (goes on to a particular module or route)
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//myDuplex.__tlsTerminated = true;
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process.nextTick(function () {
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// this must happen after the socket is emitted to the next in the chain,
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// but before any more data comes in via the network
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socket.unshift(firstChunk);
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});
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// nextServer.emit could be used here
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program.tlsTunnelServer.emit('connection', myDuplex);
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// Why all this wacky-do with the myDuplex?
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// because https://github.com/nodejs/node/issues/8854, that's why
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// (because node's internal networking layer == 💩 sometimes)
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socket.on('data', function (chunk) {
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console.log('[' + Date.now() + '] tls socket data', chunk.byteLength);
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myDuplex.push(chunk);
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});
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socket.on('error', function (err) {
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console.error('[error] httpsTunnel (Admin) TODO close');
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console.error(err);
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myDuplex.emit('error', err);
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||||
});
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socket.on('close', function () {
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||||
myDuplex.end();
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});
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||||
};
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||||
}
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||||
, get: function getTcpRouter(address, port) {
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address = address || '0.0.0.0';
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var id = address + ':' + port;
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||||
if (!tlsRouter._map[id]) {
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tlsRouter._map[id] = tlsRouter._create(address, port);
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||||
}
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||||
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||||
return tlsRouter._map[id];
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||||
}
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||||
};
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function loadModules() {
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modules = {};
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modules.tls = require('./modules/tls').create(deps, config, netHandler);
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modules.http = require('./modules/http.js').create(deps, config, modules.tls.middleware);
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}
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// opts = { servername, encrypted, peek, data, remoteAddress, remotePort }
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function peek(conn, firstChunk, opts) {
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if (!modules) {
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loadModules();
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||||
}
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||||
opts.firstChunk = firstChunk;
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||||
conn.__opts = opts;
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||||
// TODO port/service-based routing can do here
|
||||
|
||||
// TLS byte 1 is handshake and byte 6 is client hello
|
||||
if (0x16 === firstChunk[0]/* && 0x01 === firstChunk[5]*/) {
|
||||
console.log('tryTls');
|
||||
opts.servername = (parseSni(firstChunk)||'').toLowerCase() || 'localhost.invalid';
|
||||
tlsRouter.get(opts.localAddress || conn.localAddress, conn.localPort)(conn, firstChunk, opts);
|
||||
modules.tls.emit('connection', conn);
|
||||
return;
|
||||
}
|
||||
|
||||
console.log('tryTcp');
|
||||
|
||||
if (opts.hyperPeek) {
|
||||
// even though we've already peeked, this logic is just as well to let be
|
||||
// since it works properly either way, unlike the tls socket
|
||||
conn.once('data', function (chunk) {
|
||||
console.log('hyperPeek re-peek data', chunk.toString('utf8'));
|
||||
tcpRouter.get(opts.localAddress || conn.localAddress, conn.localPort)(conn, chunk, opts);
|
||||
// This doesn't work with TLS, but now that we know this isn't a TLS connection we can
|
||||
// unshift the first chunk back onto the connection for future use. The unshift should
|
||||
// happen after any listeners are attached to it but before any new data comes in.
|
||||
if (!opts.hyperPeek) {
|
||||
process.nextTick(function () {
|
||||
conn.unshift(firstChunk);
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
tcpRouter.get(opts.localAddress || conn.localAddress, conn.localPort)(conn, firstChunk, opts);
|
||||
// Connection is not TLS, check for HTTP next.
|
||||
if (firstChunk[0] > 32 && firstChunk[0] < 127) {
|
||||
var firstStr = firstChunk.toString();
|
||||
if (/HTTP\//i.test(firstStr)) {
|
||||
modules.http.emit('connection', conn);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
console.warn('failed to identify protocol from first chunk', firstChunk);
|
||||
conn.close();
|
||||
}
|
||||
function netHandler(conn, opts) {
|
||||
opts = opts || {};
|
||||
console.log('[netHandler]', conn.localAddres, conn.localPort, opts.encrypted);
|
||||
console.log('[netHandler]', conn.localAddress, conn.localPort, opts.encrypted);
|
||||
|
||||
// XXX PEEK COMMENT XXX
|
||||
// TODO we can have our cake and eat it too
|
||||
@ -242,90 +79,42 @@ module.exports.create = function (deps, config) {
|
||||
socket.send(msg, config.dns.proxy.port, config.dns.proxy.address || '127.0.0.1');
|
||||
}
|
||||
|
||||
function approveDomains(opts, certs, cb) {
|
||||
// This is where you check your database and associated
|
||||
// email addresses with domains and agreements and such
|
||||
function createTcpForwarder(mod) {
|
||||
var destination = mod.address.split(':');
|
||||
var connected = false;
|
||||
|
||||
// The domains being approved for the first time are listed in opts.domains
|
||||
// Certs being renewed are listed in certs.altnames
|
||||
return function (conn) {
|
||||
var newConn = deps.net.createConnection({
|
||||
port: destination[1]
|
||||
, host: destination[0] || '127.0.0.1'
|
||||
|
||||
function complete(err, stuff) {
|
||||
opts.email = stuff.email;
|
||||
opts.agreeTos = stuff.agreeTos;
|
||||
opts.server = stuff.server;
|
||||
opts.challengeType = stuff.challengeType;
|
||||
, remoteFamily: conn.remoteFamily
|
||||
, remoteAddress: conn.remoteAddress
|
||||
, remotePort: conn.remotePort
|
||||
}, function () {
|
||||
connected = true;
|
||||
|
||||
cb(null, { options: opts, certs: certs });
|
||||
}
|
||||
|
||||
if (certs) {
|
||||
// TODO make sure the same options are used for renewal as for registration?
|
||||
opts.domains = certs.altnames;
|
||||
|
||||
cb(null, { options: opts, certs: certs });
|
||||
return;
|
||||
}
|
||||
|
||||
// check config for domain name
|
||||
if (-1 !== config.tls.servernames.indexOf(opts.domain)) {
|
||||
// TODO how to handle SANs?
|
||||
// TODO fetch domain-specific email
|
||||
// TODO fetch domain-specific acmeDirectory
|
||||
// NOTE: you can also change other options such as `challengeType` and `challenge`
|
||||
// opts.challengeType = 'http-01';
|
||||
// opts.challenge = require('le-challenge-fs').create({}); // TODO this doesn't actually work yet
|
||||
complete(null, {
|
||||
email: config.tls.email, agreeTos: true, server: program.acmeDirectoryUrl, challengeType: program.challengeType });
|
||||
return;
|
||||
}
|
||||
// TODO ask http module about the default path (/srv/www/:hostname)
|
||||
// (if it exists, we can allow and add to config)
|
||||
if (!modules.http) {
|
||||
modules.http = require('./modules/http.js').create(deps, config);
|
||||
}
|
||||
modules.http.checkServername(opts.domain).then(function (stuff) {
|
||||
if (!stuff || !stuff.domains) {
|
||||
// TODO once precheck is implemented we can just let it pass if it passes, yknow?
|
||||
cb(new Error('domain is not allowed'));
|
||||
return;
|
||||
}
|
||||
|
||||
complete(null, {
|
||||
domain: stuff.domain || stuff.domains[0]
|
||||
, domains: stuff.domains
|
||||
, email: stuff.email || program.email
|
||||
, server: stuff.acmeDirectoryUrl || program.acmeDirectoryUrl
|
||||
, challengeType: stuff.challengeType || program.challengeType
|
||||
, challenge: stuff.challenge
|
||||
newConn.pipe(conn);
|
||||
conn.pipe(newConn);
|
||||
});
|
||||
return;
|
||||
}, cb);
|
||||
}
|
||||
|
||||
function getAcme() {
|
||||
return greenlock.create({
|
||||
// Not sure how to effectively report this to the user or client, but we need to listen
|
||||
// for the event to prevent it from crashing us.
|
||||
newConn.on('error', function (err) {
|
||||
if (connected) {
|
||||
console.error('TCP forward remote error', err);
|
||||
conn.end();
|
||||
} else {
|
||||
console.log('TCP forward connection error', err);
|
||||
require('./proxy-err-resp').sendBadGateway(conn, err, config.debug);
|
||||
}
|
||||
});
|
||||
conn.on('error', function (err) {
|
||||
console.error('TCP forward client error', err);
|
||||
newConn.end();
|
||||
});
|
||||
|
||||
//server: 'staging'
|
||||
server: 'https://acme-v01.api.letsencrypt.org/directory'
|
||||
|
||||
, challenges: {
|
||||
// TODO dns-01
|
||||
'http-01': require('le-challenge-fs').create({ webrootPath: '/tmp/acme-challenges', debug: config.debug })
|
||||
, 'tls-sni-01': require('le-challenge-sni').create({ debug: config.debug })
|
||||
//, 'dns-01': require('le-challenge-ddns').create()
|
||||
}
|
||||
|
||||
, store: require('le-store-certbot').create({ webrootPath: '/tmp/acme-challenges' })
|
||||
|
||||
//, email: program.email
|
||||
|
||||
//, agreeTos: program.agreeTos
|
||||
|
||||
, approveDomains: approveDomains
|
||||
|
||||
//, approvedDomains: program.servernames
|
||||
|
||||
});
|
||||
};
|
||||
}
|
||||
|
||||
deps.tunnel = deps.tunnel || {};
|
||||
@ -406,63 +195,55 @@ module.exports.create = function (deps, config) {
|
||||
}
|
||||
};
|
||||
|
||||
Object.keys(program.tlsOptions).forEach(function (key) {
|
||||
tunnelAdminTlsOpts[key] = program.tlsOptions[key];
|
||||
});
|
||||
tunnelAdminTlsOpts.SNICallback = function (sni, cb) {
|
||||
console.log("[tlsOptions.SNICallback] SNI: '" + sni + "'");
|
||||
|
||||
var tlsOptions;
|
||||
|
||||
// Static Certs
|
||||
if (/.*localhost.*\.daplie\.me/.test(sni.toLowerCase())) {
|
||||
// TODO implement
|
||||
if (!secureContexts[sni]) {
|
||||
tlsOptions = require('localhost.daplie.me-certificates').mergeTlsOptions(sni, {});
|
||||
}
|
||||
if (tlsOptions) {
|
||||
secureContexts[sni] = tls.createSecureContext(tlsOptions);
|
||||
}
|
||||
if (secureContexts[sni]) {
|
||||
console.log('Got static secure context:', sni, secureContexts[sni]);
|
||||
cb(null, secureContexts[sni]);
|
||||
return;
|
||||
}
|
||||
var listenPromises = [];
|
||||
var tcpPortMap = {};
|
||||
function addPorts(bindList) {
|
||||
if (!bindList) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (!program.greenlock) {
|
||||
program.greenlock = getAcme();
|
||||
if (Array.isArray(bindList)) {
|
||||
bindList.forEach(function (port) {
|
||||
tcpPortMap[port] = true;
|
||||
});
|
||||
}
|
||||
(program.greenlock.tlsOptions||program.greenlock.httpsOptions).SNICallback(sni, cb);
|
||||
};
|
||||
else {
|
||||
tcpPortMap[bindList] = true;
|
||||
}
|
||||
}
|
||||
|
||||
program.tlsTunnelServer = tls.createServer(tunnelAdminTlsOpts, function (tlsSocket) {
|
||||
console.log('(pre-terminated) tls connection, addr:', tlsSocket.remoteAddress);
|
||||
// things get a little messed up here
|
||||
//tlsSocket.on('data', function (chunk) {
|
||||
// console.log('terminated data:', chunk.toString());
|
||||
//});
|
||||
//(program.httpTunnelServer || program.httpServer).emit('connection', tlsSocket);
|
||||
//tcpRouter.get(conn.localAddress, conn.localPort)(conn, firstChunk, { encrypted: false });
|
||||
netHandler(tlsSocket, {
|
||||
servername: tlsSocket.servername
|
||||
, encrypted: true
|
||||
// remoteAddress... ugh... https://github.com/nodejs/node/issues/8854
|
||||
, remoteAddress: tlsSocket.remoteAddress || tlsSocket._remoteAddress || tlsSocket._handle._parent.owner.stream.remoteAddress
|
||||
, remotePort: tlsSocket.remotePort || tlsSocket._remotePort || tlsSocket._handle._parent.owner.stream.remotePort
|
||||
, remoteFamily: tlsSocket.remoteFamily || tlsSocket._remoteFamily || tlsSocket._handle._parent.owner.stream.remoteFamily
|
||||
});
|
||||
addPorts(config.tcp.bind);
|
||||
(config.tcp.modules || []).forEach(function (mod) {
|
||||
if (mod.name === 'forward') {
|
||||
var forwarder = createTcpForwarder(mod);
|
||||
mod.ports.forEach(function (port) {
|
||||
if (!tcpPortMap[port]) {
|
||||
console.log("forwarding port", port, "that wasn't specified in bind");
|
||||
} else {
|
||||
delete tcpPortMap[port];
|
||||
}
|
||||
listenPromises.push(listeners.tcp.add(port, forwarder));
|
||||
});
|
||||
}
|
||||
else {
|
||||
console.warn('unknown TCP module specified', mod);
|
||||
}
|
||||
});
|
||||
|
||||
var listenPromises = config.tcp.ports.map(function (port) {
|
||||
return listeners.tcp.add(port, netHandler);
|
||||
// Even though these ports were specified in different places we treat any TCP
|
||||
// connections we haven't been told to just forward exactly as is equal so that
|
||||
// we can potentially use the same ports for different protocols.
|
||||
addPorts(config.tls.bind);
|
||||
addPorts(config.http.bind);
|
||||
|
||||
Object.keys(tcpPortMap).forEach(function (port) {
|
||||
listenPromises.push(listeners.tcp.add(port, netHandler));
|
||||
});
|
||||
|
||||
if (config.dns.bind) {
|
||||
if (Array.isArray(config.dns.bind)) {
|
||||
listenPromises = listenPromises.concat(config.dns.bind.map(function (port) {
|
||||
return listeners.udp.add(port, dnsListener);
|
||||
}));
|
||||
config.dns.bind.map(function (port) {
|
||||
listenPromises.push(listeners.udp.add(port, dnsListener));
|
||||
});
|
||||
} else {
|
||||
listenPromises.push(listeners.udp.add(config.dns.bind, dnsListener));
|
||||
}
|
||||
|
||||
17
lib/match-domain.js
Normal file
17
lib/match-domain.js
Normal file
@ -0,0 +1,17 @@
|
||||
'use strict';
|
||||
|
||||
module.exports.match = function (pattern, servername) {
|
||||
// Everything matches '*'
|
||||
if (pattern === '*') {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (/^\*./.test(pattern)) {
|
||||
// get rid of the leading "*." to more easily check the servername against it
|
||||
pattern = pattern.slice(2);
|
||||
return pattern === servername.slice(-pattern.length);
|
||||
}
|
||||
|
||||
// pattern doesn't contains any wildcards, so exact match is required
|
||||
return pattern === servername;
|
||||
};
|
||||
@ -60,7 +60,5 @@ module.exports.create = function (deps, conf) {
|
||||
});
|
||||
|
||||
/* device, addresses, cwd, http */
|
||||
var app = require('../app.js')(deps, conf, opts);
|
||||
var http = require('http');
|
||||
return http.createServer(app);
|
||||
return require('../app.js')(deps, conf, opts);
|
||||
};
|
||||
|
||||
@ -1,34 +1,179 @@
|
||||
'use strict';
|
||||
|
||||
module.exports.create = function (deps, conf) {
|
||||
// This should be able to handle things like default web path (i.e. /srv/www/hostname),
|
||||
// no-www redirect, and transpilation of static assets (i.e. cached versions of raw html)
|
||||
// but right now it's a very dumb proxy
|
||||
module.exports.create = function (deps, conf, greenlockMiddleware) {
|
||||
var express = require('express');
|
||||
var app = express();
|
||||
var adminApp = require('./admin').create(deps, conf);
|
||||
var domainMatches = require('../match-domain').match;
|
||||
|
||||
function createConnection(conn) {
|
||||
var opts = conn.__opts;
|
||||
var newConn = deps.net.createConnection({
|
||||
port: conf.http.proxy.port
|
||||
, host: '127.0.0.1'
|
||||
var adminDomains = [
|
||||
/\blocalhost\.admin\./
|
||||
, /\blocalhost\.alpha\./
|
||||
, /\badmin\.localhost\./
|
||||
, /\balpha\.localhost\./
|
||||
];
|
||||
|
||||
, servername: opts.servername
|
||||
, data: opts.data
|
||||
, remoteFamily: opts.family || conn.remoteFamily
|
||||
, remoteAddress: opts.address || conn.remoteAddress
|
||||
, remotePort: opts.port || conn.remotePort
|
||||
}, function () {
|
||||
//console.log("[=>] first packet from tunneler to '" + cid + "' as '" + opts.service + "'", opts.data.byteLength);
|
||||
// this will happen before 'data' is triggered
|
||||
//newConn.write(opts.data);
|
||||
});
|
||||
function verifyHost(fullHost) {
|
||||
var host = /^(.*?)(:\d+)?$/.exec(fullHost)[1];
|
||||
|
||||
newConn.pipe(conn);
|
||||
conn.pipe(newConn);
|
||||
if (host === 'localhost') {
|
||||
return fullHost.replace(host, 'localhost.daplie.me');
|
||||
}
|
||||
|
||||
// Test for IPv4 and IPv6 addresses. These patterns will match some invalid addresses,
|
||||
// but since those still won't be valid domains that won't really be a problem.
|
||||
if (/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/.test(host) || /^\[[0-9a-fA-F:]+\]$/.test(host)) {
|
||||
if (!conf.http.primaryDomain) {
|
||||
(conf.http.modules || []).some(function (mod) {
|
||||
return mod.domains.some(function (domain) {
|
||||
if (domain[0] !== '*') {
|
||||
conf.http.primaryDomain = domain;
|
||||
return true;
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
return fullHost.replace(host, conf.http.primaryDomain || host);
|
||||
}
|
||||
|
||||
return fullHost;
|
||||
}
|
||||
|
||||
return {
|
||||
emit: function (type, conn) {
|
||||
createConnection(conn);
|
||||
// We handle both HTTPS and HTTP traffic on the same ports, and we want to redirect
|
||||
// any unencrypted requests to the same port they came from unless it came in on
|
||||
// the default HTTP port, in which case there wont be a port specified in the host.
|
||||
var redirecters = {};
|
||||
function redirectHttps(req, res, next) {
|
||||
if (conf.http.allowInsecure) {
|
||||
next();
|
||||
return;
|
||||
}
|
||||
};
|
||||
|
||||
var port = (/:(\d+)$/.exec(req.headers.host) || [])[1];
|
||||
if (!redirecters[port]) {
|
||||
redirecters[port] = require('redirect-https')({
|
||||
port: port
|
||||
, trustProxy: conf.http.trustProxy
|
||||
});
|
||||
}
|
||||
|
||||
// localhost and IP addresses cannot have real SSL certs (and don't contain any useful
|
||||
// info for redirection either), so we direct some hosts to either localhost.daplie.me
|
||||
// or the "primary domain" ie the first manually specified domain.
|
||||
req.headers.host = verifyHost(req.headers.host);
|
||||
|
||||
redirecters[port](req, res, next);
|
||||
}
|
||||
|
||||
function handleAdmin(req, res, next) {
|
||||
var admin = adminDomains.some(function (re) {
|
||||
return re.test(req.headers.host);
|
||||
});
|
||||
|
||||
if (admin) {
|
||||
adminApp(req, res);
|
||||
} else {
|
||||
next();
|
||||
}
|
||||
}
|
||||
|
||||
function respond404(req, res) {
|
||||
res.writeHead(404);
|
||||
res.end('Not Found');
|
||||
}
|
||||
|
||||
function createProxyRoute(mod) {
|
||||
// This is the easiest way to override the createConnections function the proxy
|
||||
// module uses, but take note the since we don't have control over where this is
|
||||
// called the extra options availabled will be different.
|
||||
var agent = new require('http').Agent({});
|
||||
agent.createConnection = deps.net.createConnection;
|
||||
|
||||
var proxy = require('http-proxy').createProxyServer({
|
||||
agent: agent
|
||||
, target: 'http://' + mod.address
|
||||
, xfwd: true
|
||||
, toProxy: true
|
||||
});
|
||||
|
||||
// We want to override the default value for some headers with the extra information we
|
||||
// have available to us in the opts object attached to the connection.
|
||||
proxy.on('proxyReq', function (proxyReq, req) {
|
||||
var conn = req.connection;
|
||||
var opts = conn.__opts;
|
||||
proxyReq.setHeader('X-Forwarded-For', opts.remoteAddress || conn.remoteAddress);
|
||||
});
|
||||
|
||||
proxy.on('error', function (err, req, res) {
|
||||
console.log(err);
|
||||
res.statusCode = 502;
|
||||
res.setHeader('Content-Type', 'text/html');
|
||||
res.setHeader('Connection', 'close');
|
||||
res.end(require('../proxy-err-resp').getRespBody(err, conf.debug));
|
||||
});
|
||||
|
||||
return function (req, res, next) {
|
||||
var hostname = req.headers.host.split(':')[0];
|
||||
var relevant = mod.domains.some(function (pattern) {
|
||||
return domainMatches(pattern, hostname);
|
||||
});
|
||||
|
||||
if (relevant) {
|
||||
proxy.web(req, res);
|
||||
} else {
|
||||
next();
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function createStaticRoute(mod) {
|
||||
var getStaticApp, staticApp;
|
||||
if (/:hostname/.test(mod.root)) {
|
||||
staticApp = {};
|
||||
getStaticApp = function (hostname) {
|
||||
if (!staticApp[hostname]) {
|
||||
staticApp[hostname] = express.static(mod.root.replace(':hostname', hostname));
|
||||
}
|
||||
return staticApp[hostname];
|
||||
};
|
||||
}
|
||||
else {
|
||||
staticApp = express.static(mod.root);
|
||||
getStaticApp = function () {
|
||||
return staticApp;
|
||||
};
|
||||
}
|
||||
|
||||
return function (req, res, next) {
|
||||
var hostname = req.headers.host.split(':')[0];
|
||||
var relevant = mod.domains.some(function (pattern) {
|
||||
return domainMatches(pattern, hostname);
|
||||
});
|
||||
|
||||
if (relevant) {
|
||||
getStaticApp(hostname)(req, res, next);
|
||||
} else {
|
||||
next();
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
app.use(greenlockMiddleware);
|
||||
app.use(redirectHttps);
|
||||
app.use(handleAdmin);
|
||||
|
||||
(conf.http.modules || []).forEach(function (mod) {
|
||||
if (mod.name === 'proxy') {
|
||||
app.use(createProxyRoute(mod));
|
||||
}
|
||||
else if (mod.name === 'static') {
|
||||
app.use(createStaticRoute(mod));
|
||||
}
|
||||
else {
|
||||
console.warn('unknown HTTP module', mod);
|
||||
}
|
||||
});
|
||||
|
||||
app.use(respond404);
|
||||
return require('http').createServer(app);
|
||||
};
|
||||
|
||||
283
lib/modules/tls.js
Normal file
283
lib/modules/tls.js
Normal file
@ -0,0 +1,283 @@
|
||||
'use strict';
|
||||
|
||||
module.exports.create = function (deps, config, netHandler) {
|
||||
var tls = require('tls');
|
||||
var parseSni = require('sni');
|
||||
var greenlock = require('greenlock');
|
||||
var localhostCerts = require('localhost.daplie.me-certificates');
|
||||
var domainMatches = require('../match-domain').match;
|
||||
|
||||
function extractSocketProp(socket, propName) {
|
||||
// remoteAddress, remotePort... ugh... https://github.com/nodejs/node/issues/8854
|
||||
return socket[propName]
|
||||
|| socket['_' + propName]
|
||||
|| socket._handle._parent.owner.stream[propName]
|
||||
;
|
||||
}
|
||||
|
||||
function wrapSocket(socket, opts) {
|
||||
var myDuplex = require('tunnel-packer').Stream.create(socket);
|
||||
myDuplex.remoteFamily = opts.remoteFamily || myDuplex.remoteFamily;
|
||||
myDuplex.remoteAddress = opts.remoteAddress || myDuplex.remoteAddress;
|
||||
myDuplex.remotePort = opts.remotePort || myDuplex.remotePort;
|
||||
|
||||
socket.on('data', function (chunk) {
|
||||
console.log('[' + Date.now() + '] tls socket data', chunk.byteLength);
|
||||
myDuplex.push(chunk);
|
||||
});
|
||||
socket.on('error', function (err) {
|
||||
console.error('[error] httpsTunnel (Admin) TODO close');
|
||||
console.error(err);
|
||||
myDuplex.emit('error', err);
|
||||
});
|
||||
socket.on('close', function () {
|
||||
myDuplex.end();
|
||||
});
|
||||
|
||||
process.nextTick(function () {
|
||||
// this must happen after the socket is emitted to the next in the chain,
|
||||
// but before any more data comes in via the network
|
||||
socket.unshift(opts.firstChunk);
|
||||
});
|
||||
|
||||
return myDuplex;
|
||||
}
|
||||
|
||||
var le = greenlock.create({
|
||||
// server: 'staging'
|
||||
server: 'https://acme-v01.api.letsencrypt.org/directory'
|
||||
|
||||
, challenges: {
|
||||
'http-01': require('le-challenge-fs').create({ webrootPath: '/tmp/acme-challenges', debug: config.debug })
|
||||
, 'tls-sni-01': require('le-challenge-sni').create({ debug: config.debug })
|
||||
// TODO dns-01
|
||||
//, 'dns-01': require('le-challenge-ddns').create()
|
||||
}
|
||||
|
||||
, store: require('le-store-certbot').create({ webrootPath: '/tmp/acme-challenges' })
|
||||
|
||||
, approveDomains: function (opts, certs, cb) {
|
||||
// This is where you check your database and associated
|
||||
// email addresses with domains and agreements and such
|
||||
|
||||
// The domains being approved for the first time are listed in opts.domains
|
||||
// Certs being renewed are listed in certs.altnames
|
||||
if (certs) {
|
||||
// TODO make sure the same options are used for renewal as for registration?
|
||||
opts.domains = certs.altnames;
|
||||
|
||||
cb(null, { options: opts, certs: certs });
|
||||
return;
|
||||
}
|
||||
|
||||
function complete(optsOverride) {
|
||||
Object.keys(optsOverride).forEach(function (key) {
|
||||
opts[key] = optsOverride[key];
|
||||
});
|
||||
|
||||
cb(null, { options: opts, certs: certs });
|
||||
}
|
||||
|
||||
|
||||
// check config for domain name
|
||||
if (-1 !== (config.tls.servernames || []).indexOf(opts.domain)) {
|
||||
// TODO how to handle SANs?
|
||||
// TODO fetch domain-specific email
|
||||
// TODO fetch domain-specific acmeDirectory
|
||||
// NOTE: you can also change other options such as `challengeType` and `challenge`
|
||||
// opts.challengeType = 'http-01';
|
||||
// opts.challenge = require('le-challenge-fs').create({}); // TODO this doesn't actually work yet
|
||||
complete({
|
||||
email: config.tls.email
|
||||
, agreeTos: true
|
||||
, server: config.tls.acmeDirectoryUrl || le.server
|
||||
, challengeType: config.tls.challengeType || 'http-01'
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
// TODO ask http module (and potentially all other modules) about what domains it can
|
||||
// handle. We can allow any domains that other modules will handle after we terminate TLS.
|
||||
cb(new Error('domain is not allowed'));
|
||||
// if (!modules.http) {
|
||||
// modules.http = require('./modules/http.js').create(deps, config);
|
||||
// }
|
||||
// modules.http.checkServername(opts.domain).then(function (stuff) {
|
||||
// if (!stuff || !stuff.domains) {
|
||||
// // TODO once precheck is implemented we can just let it pass if it passes, yknow?
|
||||
// cb(new Error('domain is not allowed'));
|
||||
// return;
|
||||
// }
|
||||
|
||||
// complete({
|
||||
// domain: stuff.domain || stuff.domains[0]
|
||||
// , domains: stuff.domains
|
||||
// , email: stuff.email || program.email
|
||||
// , server: stuff.acmeDirectoryUrl || program.acmeDirectoryUrl
|
||||
// , challengeType: stuff.challengeType || program.challengeType
|
||||
// , challenge: stuff.challenge
|
||||
// });
|
||||
// return;
|
||||
// }, cb);
|
||||
}
|
||||
});
|
||||
le.tlsOptions = le.tlsOptions || le.httpsOptions;
|
||||
|
||||
var secureContexts = {};
|
||||
var terminatorOpts = require('localhost.daplie.me-certificates').merge({});
|
||||
terminatorOpts.SNICallback = function (sni, cb) {
|
||||
console.log("[tlsOptions.SNICallback] SNI: '" + sni + "'");
|
||||
|
||||
var tlsOptions;
|
||||
|
||||
// Static Certs
|
||||
if (/.*localhost.*\.daplie\.me/.test(sni.toLowerCase())) {
|
||||
// TODO implement
|
||||
if (!secureContexts[sni]) {
|
||||
tlsOptions = localhostCerts.mergeTlsOptions(sni, {});
|
||||
}
|
||||
if (tlsOptions) {
|
||||
secureContexts[sni] = tls.createSecureContext(tlsOptions);
|
||||
}
|
||||
if (secureContexts[sni]) {
|
||||
console.log('Got static secure context:', sni, secureContexts[sni]);
|
||||
cb(null, secureContexts[sni]);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
le.tlsOptions.SNICallback(sni, cb);
|
||||
};
|
||||
|
||||
var terminateServer = tls.createServer(terminatorOpts, function (socket) {
|
||||
console.log('(pre-terminated) tls connection, addr:', socket.remoteAddress);
|
||||
|
||||
netHandler(socket, {
|
||||
servername: socket.servername
|
||||
, encrypted: true
|
||||
// remoteAddress... ugh... https://github.com/nodejs/node/issues/8854
|
||||
, remoteAddress: extractSocketProp(socket, 'remoteAddress')
|
||||
, remotePort: extractSocketProp(socket, 'remotePort')
|
||||
, remoteFamily: extractSocketProp(socket, 'remoteFamily')
|
||||
});
|
||||
});
|
||||
|
||||
function proxy(socket, opts, mod) {
|
||||
var destination = mod.address.split(':');
|
||||
var connected = false;
|
||||
|
||||
var newConn = deps.net.createConnection({
|
||||
port: destination[1]
|
||||
, host: destination[0] || '127.0.0.1'
|
||||
|
||||
, servername: opts.servername
|
||||
, data: opts.firstChunk
|
||||
, remoteFamily: opts.family || extractSocketProp(socket, 'remoteFamily')
|
||||
, remoteAddress: opts.address || extractSocketProp(socket, 'remoteAddress')
|
||||
, remotePort: opts.port || extractSocketProp(socket, 'remotePort')
|
||||
}, function () {
|
||||
connected = true;
|
||||
if (!opts.hyperPeek) {
|
||||
newConn.write(opts.firstChunk);
|
||||
}
|
||||
newConn.pipe(socket);
|
||||
socket.pipe(newConn);
|
||||
});
|
||||
|
||||
// Not sure how to effectively report this to the user or client, but we need to listen
|
||||
// for the event to prevent it from crashing us.
|
||||
newConn.on('error', function (err) {
|
||||
if (connected) {
|
||||
console.error('TLS proxy remote error', err);
|
||||
socket.end();
|
||||
} else {
|
||||
console.log('TLS proxy connection error', err);
|
||||
var tlsOpts = localhostCerts.mergeTlsOptions('localhost.daplie.me', {isServer: true});
|
||||
var decrypted;
|
||||
if (opts.hyperPeek) {
|
||||
decrypted = new tls.TLSSocket(socket, tlsOpts);
|
||||
} else {
|
||||
decrypted = new tls.TLSSocket(wrapSocket(socket, opts), tlsOpts);
|
||||
}
|
||||
require('../proxy-err-resp').sendBadGateway(decrypted, err, config.debug);
|
||||
}
|
||||
});
|
||||
socket.on('error', function (err) {
|
||||
console.error('TLS proxy client error', err);
|
||||
newConn.end();
|
||||
});
|
||||
}
|
||||
|
||||
function terminate(socket, opts) {
|
||||
console.log(
|
||||
'[tls-terminate]'
|
||||
, opts.localAddress || socket.localAddress +':'+ opts.localPort || socket.localPort
|
||||
, 'servername=' + opts.servername
|
||||
, opts.remoteAddress || socket.remoteAddress
|
||||
);
|
||||
|
||||
if (opts.hyperPeek) {
|
||||
// This connection was peeked at using a method that doesn't interferre with the TLS
|
||||
// server's ability to handle it properly. Currently the only way this happens is
|
||||
// with tunnel connections where we have the first chunk of data before creating the
|
||||
// new connection (thus removing need to get data off the new connection).
|
||||
terminateServer.emit('connection', socket);
|
||||
}
|
||||
else {
|
||||
// The hyperPeek flag wasn't set, so we had to read data off of this connection, which
|
||||
// means we can no longer use it directly in the TLS server.
|
||||
// See https://github.com/nodejs/node/issues/8752 (node's internal networking layer == 💩 sometimes)
|
||||
terminateServer.emit('connection', wrapSocket(socket, opts));
|
||||
}
|
||||
}
|
||||
|
||||
function handleConn(socket, opts) {
|
||||
opts.servername = (parseSni(opts.firstChunk)||'').toLowerCase() || 'localhost.invalid';
|
||||
// needs to wind up in one of 2 states:
|
||||
// 1. SNI-based Proxy / Tunnel (we don't even need to put it through the tlsSocket)
|
||||
// 2. Terminated (goes on to a particular module or route, including the admin interface)
|
||||
// 3. Closed (we don't recognize the SNI servername as something we actually want to handle)
|
||||
|
||||
// We always want to terminate is the SNI matches the challenge pattern, unless a client
|
||||
// on the south side has temporarily claimed a particular challenge. For the time being
|
||||
// we don't have a way for the south-side to communicate with us, so that part isn't done.
|
||||
if (domainMatches('*.acme-challenge.invalid', opts.servername)) {
|
||||
terminate(socket, opts);
|
||||
return;
|
||||
}
|
||||
|
||||
var handled = (config.tls.modules || []).some(function (mod) {
|
||||
var relevant = mod.domains.some(function (pattern) {
|
||||
return domainMatches(pattern, opts.servername);
|
||||
});
|
||||
if (!relevant) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (mod.name === 'proxy') {
|
||||
proxy(socket, opts, mod);
|
||||
}
|
||||
else {
|
||||
console.error('saw unknown TLS module', mod);
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
});
|
||||
|
||||
// TODO: figure out all of the domains that the other modules intend to handle, and only
|
||||
// terminate those ones, closing connections for all others.
|
||||
if (!handled) {
|
||||
terminate(socket, opts);
|
||||
}
|
||||
}
|
||||
|
||||
return {
|
||||
emit: function (type, socket) {
|
||||
if (type === 'connection') {
|
||||
handleConn(socket, socket.__opts);
|
||||
}
|
||||
}
|
||||
, middleware: le.middleware()
|
||||
};
|
||||
};
|
||||
32
lib/proxy-err-resp.js
Normal file
32
lib/proxy-err-resp.js
Normal file
@ -0,0 +1,32 @@
|
||||
'use strict';
|
||||
|
||||
function getRespBody(err, debug) {
|
||||
if (debug) {
|
||||
return err.toString();
|
||||
}
|
||||
|
||||
if (err.code === 'ECONNREFUSED') {
|
||||
return 'The connection was refused. Most likely the service being connected to '
|
||||
+ 'has stopped running or the configuration is wrong.';
|
||||
}
|
||||
|
||||
return 'Bad Gateway: ' + err.code;
|
||||
}
|
||||
|
||||
function sendBadGateway(conn, err, debug) {
|
||||
var body = getRespBody(err, debug);
|
||||
|
||||
conn.write([
|
||||
'HTTP/1.1 502 Bad Gateway'
|
||||
, 'Date: ' + (new Date()).toUTCString()
|
||||
, 'Connection: close'
|
||||
, 'Content-Type: text/html'
|
||||
, 'Content-Length: ' + body.length
|
||||
, ''
|
||||
, body
|
||||
].join('\r\n'));
|
||||
conn.end();
|
||||
}
|
||||
|
||||
module.exports.getRespBody = getRespBody;
|
||||
module.exports.sendBadGateway = sendBadGateway;
|
||||
@ -4,6 +4,9 @@
|
||||
process.on('message', function (conf) {
|
||||
var deps = {
|
||||
messenger: process
|
||||
// Note that if a custom createConnections is used it will be called with different
|
||||
// sets of custom options based on what is actually being proxied. Most notably the
|
||||
// HTTP proxying connection creation is not something we currently control.
|
||||
, net: require('net')
|
||||
};
|
||||
require('./goldilocks.js').create(deps, conf);
|
||||
|
||||
@ -47,6 +47,7 @@
|
||||
"finalhandler": "^0.4.0",
|
||||
"greenlock": "git+https://git.daplie.com/Daplie/node-greenlock.git#master",
|
||||
"greenlock-express": "git+https://git.daplie.com/Daplie/greenlock-express.git#master",
|
||||
"http-proxy": "^1.16.2",
|
||||
"httpolyglot": "^0.1.1",
|
||||
"ipaddr.js": "git+https://github.com/whitequark/ipaddr.js.git#v1.3.0",
|
||||
"ipify": "^1.1.0",
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user