moved TLS handling into a separate file
This commit is contained in:
tigerbot
parent
56113cb100
commit
afca49feae
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@ -5,132 +5,22 @@ 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 domainMatches = require('./match-domain').match;
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var tlsRouter = {
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proxy: function (socket, opts, mod) {
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var newConn = deps.net.createConnection({
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port: mod.port
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, host: mod.address || '127.0.0.1'
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, servername: opts.servername
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, data: opts.data
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, remoteFamily: opts.family || socket.remoteFamily || socket._remoteFamily || socket._handle._parent.owner.stream.remoteFamily
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, remoteAddress: opts.address || socket.remoteAddress || socket._remoteAddress || socket._handle._parent.owner.stream.remoteAddress
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, remotePort: opts.port || socket.remotePort || socket._remotePort || socket._handle._parent.owner.stream.remotePort
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}, function () {
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// this will happen before 'data' is triggered
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});
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newConn.pipe(socket);
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socket.pipe(newConn);
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}
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, terminate: function (socket) {
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// We terminate the TLS by emitting the connections of the TLS server and it should handle
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// everything we need to do for us.
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program.tlsTunnelServer.emit('connection', socket);
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}
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, handleModules: function (socket, opts) {
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// needs to wind up in one of 2 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. Terminated (goes on to a particular module or route, including the admin interface)
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var handled = (config.tls.modules || []).some(function (mod) {
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var relevant = mod.domains.some(function (pattern) {
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return domainMatches(pattern, opts.servername);
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});
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if (!relevant) {
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return false;
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}
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if (mod.name === 'proxy') {
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tlsRouter.proxy(socket, opts, mod);
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}
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else if (mod.name === 'terminate') {
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tlsRouter.terminate(socket);
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}
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else {
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console.error('saw unknown TLS module', mod);
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return false;
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}
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return true;
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});
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// We gotta do something, so when in doubt terminate the TLS since we don't really have
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// any good place to default to when proxying.
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if (!handled) {
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tlsRouter.terminate(socket);
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}
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}
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, processSocket: 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 already peeked at by the tunneler and this connection has been created
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// in a way that should work with node's TLS server, so we don't need to do any
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// of the myDuplex stuff that we need to do with non-tunnel connections.
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tlsRouter.handleModules(socket, opts);
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return;
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}
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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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var myDuplex = require('tunnel-packer').Stream.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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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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var address = opts.localAddress || socket.localAddress;
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var port = opts.localPort || socket.localPort;
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console.log('[tlsRouter] ' + address + ':' + port + ' servername', opts.servername, myDuplex.remoteAddress);
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tlsRouter.handleModules(myDuplex, opts);
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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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}
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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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opts.firstChunk = firstChunk;
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conn.__opts = opts;
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// TODO port/service-based routing can do here
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// TLS byte 1 is handshake and byte 6 is client hello
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if (0x16 === firstChunk[0]/* && 0x01 === firstChunk[5]*/) {
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opts.servername = (parseSni(firstChunk)||'').toLowerCase() || 'localhost.invalid';
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tlsRouter.processSocket(conn, firstChunk, opts);
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if (!modules.tls) {
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modules.tls = require('./modules/tls').create(deps, config, netHandler);
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}
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modules.tls.emit('connection', conn);
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return;
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}
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@ -151,7 +41,6 @@ module.exports.create = function (deps, config) {
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modules.http = require('./modules/http.js').create(deps, config);
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}
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conn.__opts = opts;
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modules.http.emit('connection', conn);
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return;
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}
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@ -207,92 +96,6 @@ module.exports.create = function (deps, config) {
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};
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}
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function approveDomains(opts, certs, cb) {
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// This is where you check your database and associated
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// email addresses with domains and agreements and such
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// The domains being approved for the first time are listed in opts.domains
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// Certs being renewed are listed in certs.altnames
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function complete(err, stuff) {
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opts.email = stuff.email;
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opts.agreeTos = stuff.agreeTos;
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opts.server = stuff.server;
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opts.challengeType = stuff.challengeType;
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cb(null, { options: opts, certs: certs });
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}
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if (certs) {
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// TODO make sure the same options are used for renewal as for registration?
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opts.domains = certs.altnames;
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cb(null, { options: opts, certs: certs });
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return;
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}
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// check config for domain name
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if (-1 !== config.tls.servernames.indexOf(opts.domain)) {
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// TODO how to handle SANs?
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// TODO fetch domain-specific email
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// TODO fetch domain-specific acmeDirectory
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// NOTE: you can also change other options such as `challengeType` and `challenge`
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// opts.challengeType = 'http-01';
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// opts.challenge = require('le-challenge-fs').create({}); // TODO this doesn't actually work yet
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complete(null, {
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email: config.tls.email, agreeTos: true, server: program.acmeDirectoryUrl, challengeType: program.challengeType });
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return;
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}
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// TODO ask http module about the default path (/srv/www/:hostname)
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// (if it exists, we can allow and add to config)
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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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modules.http.checkServername(opts.domain).then(function (stuff) {
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if (!stuff || !stuff.domains) {
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// TODO once precheck is implemented we can just let it pass if it passes, yknow?
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cb(new Error('domain is not allowed'));
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return;
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}
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complete(null, {
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domain: stuff.domain || stuff.domains[0]
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, domains: stuff.domains
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, email: stuff.email || program.email
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, server: stuff.acmeDirectoryUrl || program.acmeDirectoryUrl
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, challengeType: stuff.challengeType || program.challengeType
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, challenge: stuff.challenge
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});
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return;
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}, cb);
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}
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function getAcme() {
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return greenlock.create({
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//server: 'staging'
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server: 'https://acme-v01.api.letsencrypt.org/directory'
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, challenges: {
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// TODO dns-01
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'http-01': require('le-challenge-fs').create({ webrootPath: '/tmp/acme-challenges', debug: config.debug })
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, 'tls-sni-01': require('le-challenge-sni').create({ debug: config.debug })
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//, 'dns-01': require('le-challenge-ddns').create()
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}
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, store: require('le-store-certbot').create({ webrootPath: '/tmp/acme-challenges' })
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//, email: program.email
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//, agreeTos: program.agreeTos
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, approveDomains: approveDomains
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//, approvedDomains: program.servernames
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});
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}
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deps.tunnel = deps.tunnel || {};
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deps.tunnel.net = {
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createConnection: function (opts, cb) {
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@ -371,54 +174,6 @@ module.exports.create = function (deps, config) {
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}
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};
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Object.keys(program.tlsOptions).forEach(function (key) {
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tunnelAdminTlsOpts[key] = program.tlsOptions[key];
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});
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tunnelAdminTlsOpts.SNICallback = function (sni, cb) {
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console.log("[tlsOptions.SNICallback] SNI: '" + sni + "'");
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var tlsOptions;
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// Static Certs
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if (/.*localhost.*\.daplie\.me/.test(sni.toLowerCase())) {
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// TODO implement
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if (!secureContexts[sni]) {
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tlsOptions = require('localhost.daplie.me-certificates').mergeTlsOptions(sni, {});
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}
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if (tlsOptions) {
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secureContexts[sni] = tls.createSecureContext(tlsOptions);
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}
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if (secureContexts[sni]) {
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console.log('Got static secure context:', sni, secureContexts[sni]);
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cb(null, secureContexts[sni]);
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return;
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}
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}
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if (!program.greenlock) {
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program.greenlock = getAcme();
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}
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(program.greenlock.tlsOptions||program.greenlock.httpsOptions).SNICallback(sni, cb);
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};
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program.tlsTunnelServer = tls.createServer(tunnelAdminTlsOpts, function (tlsSocket) {
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console.log('(pre-terminated) tls connection, addr:', tlsSocket.remoteAddress);
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// things get a little messed up here
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//tlsSocket.on('data', function (chunk) {
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// console.log('terminated data:', chunk.toString());
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//});
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//(program.httpTunnelServer || program.httpServer).emit('connection', tlsSocket);
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//tcpRouter.get(conn.localAddress, conn.localPort)(conn, firstChunk, { encrypted: false });
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netHandler(tlsSocket, {
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servername: tlsSocket.servername
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, encrypted: true
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// remoteAddress... ugh... https://github.com/nodejs/node/issues/8854
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, remoteAddress: tlsSocket.remoteAddress || tlsSocket._remoteAddress || tlsSocket._handle._parent.owner.stream.remoteAddress
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, remotePort: tlsSocket.remotePort || tlsSocket._remotePort || tlsSocket._handle._parent.owner.stream.remotePort
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, remoteFamily: tlsSocket.remoteFamily || tlsSocket._remoteFamily || tlsSocket._handle._parent.owner.stream.remoteFamily
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});
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});
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var listenPromises = [];
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var tcpPortMap = {};
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function addPorts(bindList) {
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@ -0,0 +1,235 @@
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'use strict';
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module.exports.create = function (deps, config, netHandler) {
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var tls = require('tls');
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var parseSni = require('sni');
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var greenlock = require('greenlock');
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var domainMatches = require('../match-domain').match;
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function extractSocketProp(socket, propName) {
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// remoteAddress, remotePort... ugh... https://github.com/nodejs/node/issues/8854
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return socket[propName]
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|| socket['_' + propName]
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|| socket._handle._parent.owner.stream[propName]
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;
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}
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var le = greenlock.create({
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// server: 'staging'
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server: 'https://acme-v01.api.letsencrypt.org/directory'
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, challenges: {
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'http-01': require('le-challenge-fs').create({ webrootPath: '/tmp/acme-challenges', debug: config.debug })
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, 'tls-sni-01': require('le-challenge-sni').create({ debug: config.debug })
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// TODO dns-01
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//, 'dns-01': require('le-challenge-ddns').create()
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}
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, store: require('le-store-certbot').create({ webrootPath: '/tmp/acme-challenges' })
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, approveDomains: function (opts, certs, cb) {
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// This is where you check your database and associated
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// email addresses with domains and agreements and such
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// The domains being approved for the first time are listed in opts.domains
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// Certs being renewed are listed in certs.altnames
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if (certs) {
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// TODO make sure the same options are used for renewal as for registration?
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opts.domains = certs.altnames;
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cb(null, { options: opts, certs: certs });
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return;
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}
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function complete(optsOverride) {
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Object.keys(optsOverride).forEach(function (key) {
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opts[key] = optsOverride[key];
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});
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cb(null, { options: opts, certs: certs });
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}
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// check config for domain name
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if (-1 !== (config.tls.servernames || []).indexOf(opts.domain)) {
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// TODO how to handle SANs?
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// TODO fetch domain-specific email
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// TODO fetch domain-specific acmeDirectory
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// NOTE: you can also change other options such as `challengeType` and `challenge`
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// opts.challengeType = 'http-01';
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// opts.challenge = require('le-challenge-fs').create({}); // TODO this doesn't actually work yet
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complete({
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email: config.tls.email
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, agreeTos: true
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, server: config.tls.acmeDirectoryUrl || le.server
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, challengeType: config.tls.challengeType || 'http-01'
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});
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return;
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}
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// TODO ask http module (and potentially all other modules) about what domains it can
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// handle. We can allow any domains that other modules will handle after we terminate TLS.
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cb(new Error('domain is not allowed'));
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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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// modules.http.checkServername(opts.domain).then(function (stuff) {
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// if (!stuff || !stuff.domains) {
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// // TODO once precheck is implemented we can just let it pass if it passes, yknow?
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// cb(new Error('domain is not allowed'));
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// return;
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// }
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// complete({
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// domain: stuff.domain || stuff.domains[0]
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// , domains: stuff.domains
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// , email: stuff.email || program.email
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// , server: stuff.acmeDirectoryUrl || program.acmeDirectoryUrl
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// , challengeType: stuff.challengeType || program.challengeType
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// , challenge: stuff.challenge
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// });
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// return;
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// }, cb);
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}
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});
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le.tlsOptions = le.tlsOptions || le.httpsOptions;
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var secureContexts = {};
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var terminatorOpts = require('localhost.daplie.me-certificates').merge({});
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terminatorOpts.SNICallback = function (sni, cb) {
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console.log("[tlsOptions.SNICallback] SNI: '" + sni + "'");
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var tlsOptions;
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// Static Certs
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if (/.*localhost.*\.daplie\.me/.test(sni.toLowerCase())) {
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// TODO implement
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if (!secureContexts[sni]) {
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tlsOptions = require('localhost.daplie.me-certificates').mergeTlsOptions(sni, {});
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}
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if (tlsOptions) {
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secureContexts[sni] = tls.createSecureContext(tlsOptions);
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}
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if (secureContexts[sni]) {
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console.log('Got static secure context:', sni, secureContexts[sni]);
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cb(null, secureContexts[sni]);
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return;
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}
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}
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le.tlsOptions.SNICallback(sni, cb);
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};
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var terminator = tls.createServer(terminatorOpts, function (socket) {
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console.log('(pre-terminated) tls connection, addr:', socket.remoteAddress);
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netHandler(socket, {
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servername: socket.servername
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, encrypted: true
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// remoteAddress... ugh... https://github.com/nodejs/node/issues/8854
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, remoteAddress: extractSocketProp(socket, 'remoteAddress')
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, remotePort: extractSocketProp(socket, 'remotePort')
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, remoteFamily: extractSocketProp(socket, 'remoteFamily')
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});
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});
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function proxy(socket, opts, mod) {
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var destination = mod.address.split(':');
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var newConn = deps.net.createConnection({
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port: destination[1]
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, host: destination[0] || '127.0.0.1'
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, servername: opts.servername
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, data: opts.firstChunk
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, remoteFamily: opts.family || extractSocketProp(socket, 'remoteFamily')
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, remoteAddress: opts.address || extractSocketProp(socket, 'remoteAddress')
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, remotePort: opts.port || extractSocketProp(socket, 'remotePort')
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});
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newConn.write(opts.firstChunk);
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newConn.pipe(socket);
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socket.pipe(newConn);
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}
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function terminate(socket, opts) {
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console.log('[tls-terminate] ' + opts.localAddress || socket.localAddress + ':' + opts.localPort || socket.localPort + ' servername', opts.servername, socket.remoteAddress);
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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).
|
||||
terminator.emit('connection', socket);
|
||||
return;
|
||||
}
|
||||
|
||||
// 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)
|
||||
var myDuplex = require('tunnel-packer').Stream.create(socket);
|
||||
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();
|
||||
});
|
||||
|
||||
terminator.emit('connection', myDuplex);
|
||||
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);
|
||||
});
|
||||
}
|
||||
|
||||
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)
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
};
|
||||
};
|
||||
Loading…
Reference in New Issue