forked from coolaj86/telebit.js
106 lines
3.2 KiB
JavaScript
106 lines
3.2 KiB
JavaScript
module.exports.assign = function (state, tun, cb) {
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var net = state.net || require('net');
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var service = tun.service.toLowerCase();
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var portList = state.services[service];
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var port;
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if (!tun.name && !tun.serviceport) {
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console.log('tun:\n',tun);
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//console.warn(tun.data.toString());
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cb(new Error("missing routing information for ':tun_id'"));
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return;
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}
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port = portList[tun.name];
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if (!port) {
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// Check for any wildcard domains, sorted longest to shortest so the one with the
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// biggest natural match will be found first.
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Object.keys(portList).filter(function (pattern) {
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return pattern[0] === '*' && pattern.length > 1;
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}).sort(function (a, b) {
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return b.length - a.length;
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}).some(function (pattern) {
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var subPiece = pattern.slice(1);
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if (subPiece === tun.name.slice(-subPiece.length)) {
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port = portList[pattern];
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return true;
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}
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});
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}
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if (!port) {
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port = portList['*'];
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}
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var createOpts = {
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port: port
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, host: '127.0.0.1'
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, servername: tun.name
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, name: tun.name
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, serviceport: tun.serviceport
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, data: tun.data
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, remoteFamily: tun.family
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, remoteAddress: tun.address
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, remotePort: tun.port
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};
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var conn;
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function handleNow(socket) {
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var httpServer;
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var tlsServer;
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if ('https' === service) {
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if (!state.greenlock) {
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state.greenlock = require('greenlock').create(state.greenlockConfig);
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}
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httpServer = require('http').createServer(function (req, res) {
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console.log('[hit http/s server]');
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res.end('Hello, Encrypted Tunnel World!');
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});
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tlsServer = require('tls').createServer(state.greenlock.tlsOptions, function (tlsSocket) {
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console.log('[hit tls server]');
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httpServer.emit('connection', tlsSocket);
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});
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tlsServer.emit('connection', socket);
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} else {
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httpServer = require('http').createServer(state.greenlock.middleware(function (req, res) {
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console.log('[hit pure http server]');
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res.end('Hello, Encrypted Tunnel World!');
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}));
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// http://aj.telebit.cloud/.well-known/acme-challenge/blah
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httpServer.emit('connection', socket);
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}
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}
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if ('aj.telebit.cloud' === tun.name) {
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console.log('NEW CONNECTION to AJ\'s telebit could');
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// For performance it may be better to use socket-pair, needs testing
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var socketPair = require('socket-pair');
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conn = socketPair.create(function (err, other) {
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if (err) { console.error('[Error] ' + err.message); }
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handleNow(other);
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if (createOpts.data) {
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conn.write(createOpts.data);
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}
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});
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/*
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var streamPair = require('stream-pair');
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var pair = streamPair.create();
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conn = pair.other;
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process.nextTick(function () {
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if (createOpts.data) {
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conn.write(createOpts.data);
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}
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});
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*/
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} else {
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conn = net.createConnection(createOpts, function () {
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// this will happen before 'data' or 'readable' is triggered
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// We use the data from the createOpts object so that the createConnection function has
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// the oppurtunity of removing/changing it if it wants/needs to handle it differently.
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if (createOpts.data) {
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conn.write(createOpts.data);
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}
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});
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}
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cb(null, conn);
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};
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