695 lines
21 KiB
JavaScript
Executable File
695 lines
21 KiB
JavaScript
Executable File
#!/usr/bin/env node
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(function () {
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'use strict';
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var pkg = require('../package.json');
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var url = require('url');
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var path = require('path');
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var os = require('os');
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var common = require('../lib/cli-common.js');
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var http = require('http');
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var YAML = require('js-yaml');
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var recase = require('recase').create({});
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var camelCopy = recase.camelCopy.bind(recase);
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var snakeCopy = recase.snakeCopy.bind(recase);
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var state = { homedir: os.homedir(), servernames: {}, ports: {} };
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var argv = process.argv.slice(2);
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var confIndex = argv.indexOf('--config');
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var confpath;
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var confargs;
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if (-1 === confIndex) {
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confIndex = argv.indexOf('-c');
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}
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if (-1 !== confIndex) {
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confargs = argv.splice(confIndex, 2);
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confpath = confargs[1];
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}
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require('../lib/updater')(pkg);
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function help() {
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console.info('');
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console.info('Telebit Daemon v' + pkg.version);
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console.info('');
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console.info('Usage:');
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console.info('');
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console.info('\ttelebitd --config <path>');
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console.info('\tex: telebitd --config ~/.config/telebit/telebitd.yml');
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console.info('');
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console.info('');
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console.info('Config:');
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console.info('');
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console.info('\tSee https://git.coolaj86.com/coolaj86/telebit.js');
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console.info('');
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console.info('');
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}
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var verstr = [ pkg.name + ' daemon v' + pkg.version ];
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if (-1 === confIndex) {
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// We have two possible valid paths if no --config is given (i.e. run from an npm-only install)
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// * {install}/etc/telebitd.yml
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// * ~/.config/telebit/telebitd.yml
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// We'll asume the later since the installers include --config in the system launcher script
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confpath = path.join(state.homedir, '.config/telebit/telebitd.yml');
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verstr.push('(--config "' + confpath + '")');
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}
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if (-1 !== argv.indexOf('-h') || -1 !== argv.indexOf('--help')) {
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help();
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process.exit(0);
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}
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if (!confpath || /^--/.test(confpath)) {
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help();
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process.exit(1);
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}
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var tokenpath = path.join(path.dirname(confpath), 'access_token.txt');
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var token;
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try {
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token = require('fs').readFileSync(tokenpath, 'ascii').trim();
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} catch(e) {
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// ignore
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}
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var controlServer;
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var tun;
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function serveControlsHelper() {
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controlServer = http.createServer(function (req, res) {
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var opts = url.parse(req.url, true);
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if (opts.query._body) {
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try {
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opts.body = JSON.parse(opts.query._body, true);
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} catch(e) {
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res.statusCode = 500;
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res.end('{"error":{"message":"?_body={{bad_format}}"}}');
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return;
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}
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}
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function listSuccess() {
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var dumpy = {
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servernames: state.servernames
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, ports: state.ports
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, ssh: state.config.sshAuto || 'disabled'
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, code: 'CONFIG'
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};
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if (state._can_pair && state.config.email && !state.token) {
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dumpy.code = "AWAIT_AUTH";
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dumpy.message = [
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"Check your email."
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, "You must verify your email address to activate this device."
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, ""
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, " Device Pairing Code: " + state.otp
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].join('\n');
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}
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res.end(JSON.stringify(dumpy));
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}
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function sshSuccess() {
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fs.writeFile(confpath, YAML.safeDump(snakeCopy(state.config)), function (err) {
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if (err) {
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res.statusCode = 500;
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res.end('{"error":{"message":"Could not save config file. Perhaps you\'re not running as root?"}}');
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return;
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}
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res.end('{"success":true}');
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});
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}
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//
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// without proper config
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//
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if (/\b(init|config)\b/.test(opts.pathname)) {
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var conf = {};
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var fresh;
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if (!opts.body) {
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res.statusCode = 422;
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res.end('{"error":{"message":"needs more arguments"}}');
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return;
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}
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// relay, email, agree_tos, servernames, ports
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//
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opts.body.forEach(function (opt) {
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var parts = opt.split(/:/);
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if ('true' === parts[1]) {
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parts[1] = true;
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} else if ('false' === parts[1]) {
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parts[1] = false;
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} else if ('null' === parts[1]) {
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parts[1] = null;
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} else if ('undefined' === parts[1]) {
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parts[1] = undefined;
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}
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conf[parts[0]] = parts[1];
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});
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if (!state.config.relay || !state.config.email || !state.config.agreeTos) {
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fresh = true;
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}
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// TODO camelCase query
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state.config.email = conf.email || state.config.email || '';
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if ('undefined' !== typeof conf.agree_tos) {
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state.config.agreeTos = conf.agree_tos;
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}
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state.config.relay = conf.relay || state.config.relay || '';
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state.config.token = conf.token || state.config.token || null;
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state.config.secret = conf.secret || state.config.secret || null;
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if ('undefined' !== typeof conf.newsletter) {
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state.config.newsletter = conf.newsletter;
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}
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if ('undefined' !== typeof conf.community_member) {
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state.config.communityMember = conf.community_member;
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}
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if ('undefined' !== typeof conf.telemetry) {
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state.config.telemetry = conf.telemetry;
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}
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if (conf.servernames) {
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(conf.servernames||'').split(/,/g).forEach(function (key) {
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if (!state.config.servernames[key]) {
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state.config.servernames[key] = {};
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}
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});
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}
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if (conf.ports) {
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(conf.ports||'').split(/,/g).forEach(function (key) {
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if (!state.config.ports[key]) {
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state.config.ports[key] = {};
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}
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});
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}
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if (!state.config.relay || !state.config.email || !state.config.agreeTos) {
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res.statusCode = 400;
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res.end(JSON.stringify({
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error: {
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code: "E_INIT"
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, message: "Missing important config file params"
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, _params: JSON.stringify(conf)
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, _config: JSON.stringify(state.config)
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, _body: JSON.stringify(opts.body)
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}
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}));
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return;
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}
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if (tun) {
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tun.end(function () {
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rawTunnel(saveAndReport);
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});
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tun = null;
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setTimeout(function () {
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if (!tun) {
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rawTunnel(saveAndReport);
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}
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}, 3000);
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} else {
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rawTunnel(saveAndReport);
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}
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function saveAndReport(err, _tun) {
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if (err) { throw err; }
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tun = _tun;
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fs.writeFile(confpath, YAML.safeDump(snakeCopy(state.config)), function (err) {
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if (err) {
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res.statusCode = 500;
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res.end('{"error":{"message":"Could not save config file after init: ' + err.message.replace(/"/g, "'")
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+ '.\nPerhaps check that the file exists and your user has permissions to write it?"}}');
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return;
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}
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listSuccess();
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});
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}
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return;
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}
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if (/restart/.test(opts.pathname)) {
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tun.end();
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res.end('{"success":true}');
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controlServer.close(function () {
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// TODO closeAll other things
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process.nextTick(function () {
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// system daemon will restart the process
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process.exit(22); // use non-success exit code
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});
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});
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return;
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}
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//
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// Check for proper config
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//
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if (!state.config.relay || !state.config.email || !state.config.agreeTos) {
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res.statusCode = 400;
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res.end('{"error":{"code":"E_CONFIG","message":"Invalid config file. Please run \'telebit init\'"}}');
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return;
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}
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//
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// With proper config
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//
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if (/http/.test(opts.pathname)) {
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if (!opts.body) {
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res.statusCode = 422;
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res.end('{"error":{"message":"needs more arguments"}}');
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return;
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}
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if (opts.body[1]) {
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if (!state.servernames[opts.body[1]]) {
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res.statusCode = 400;
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res.end('{"error":{"message":"bad servername \'' + opts.body[1] + '\'"');
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return;
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}
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state.servernames[opts.body[1]].handler = opts.body[0];
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} else {
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Object.keys(state.servernames).forEach(function (key) {
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state.servernames[key].handler = opts.body[0];
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});
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}
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res.end('{"success":true}');
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return;
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}
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if (/tcp/.test(opts.pathname)) {
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if (!opts.body) {
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res.statusCode = 422;
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res.end('{"error":{"message":"needs more arguments"}}');
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return;
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}
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// portnum
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if (opts.body[1]) {
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if (!state.ports[opts.body[1]]) {
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res.statusCode = 400;
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res.end('{"error":{"message":"bad port \'' + opts.body[1] + '\'"');
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return;
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}
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// forward-to port-or-module
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state.ports[opts.body[1]].handler = opts.body[0];
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} else {
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Object.keys(state.ports).forEach(function (key) {
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state.ports[key].handler = opts.body[0];
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});
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}
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res.end('{"success":true}');
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return;
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}
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if (/save|commit/.test(opts.pathname)) {
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state.config.servernames = state.servernames;
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state.config.ports = state.ports;
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fs.writeFile(confpath, YAML.safeDump(snakeCopy(state.config)), function (err) {
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if (err) {
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res.statusCode = 500;
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res.end('{"error":{"message":"Could not save config file. Perhaps you\'re not running as root?"}}');
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return;
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}
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listSuccess();
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});
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return;
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}
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if (/ssh/.test(opts.pathname)) {
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var sshAuto;
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if (!opts.body) {
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res.statusCode = 422;
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res.end('{"error":{"message":"needs more arguments"}}');
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return;
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}
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sshAuto = opts.body[0];
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if (-1 !== [ 'false', 'none', 'off', 'disable' ].indexOf(sshAuto)) {
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state.config.sshAuto = false;
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sshSuccess();
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return;
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}
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if (-1 !== [ 'true', 'auto', 'on', 'enable' ].indexOf(sshAuto)) {
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state.config.sshAuto = 22;
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sshSuccess();
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return;
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}
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sshAuto = parseInt(sshAuto, 10);
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if (!sshAuto || sshAuto <= 0 || sshAuto > 65535) {
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res.statusCode = 400;
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res.end('{"error":{"message":"bad ssh_auto option \'' + opts.body[0] + '\'"');
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return;
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}
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state.config.sshAuto = sshAuto;
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sshSuccess();
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return;
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}
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if (/enable/.test(opts.pathname)) {
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delete state.config.disable;// = undefined;
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if (tun) {
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listSuccess();
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return;
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}
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rawTunnel(function (err, _tun) {
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if (err) { throw err; }
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tun = _tun;
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fs.writeFile(confpath, YAML.safeDump(snakeCopy(state.config)), function (err) {
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if (err) {
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res.statusCode = 500;
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res.end('{"error":{"message":"Could not save config file. Perhaps you\'re user doesn\'t have permission?"}}');
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return;
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}
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listSuccess();
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});
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});
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return;
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}
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if (/disable/.test(opts.pathname)) {
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state.config.disable = true;
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if (tun) { tun.end(); tun = null; }
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fs.writeFile(confpath, YAML.safeDump(snakeCopy(state.config)), function (err) {
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if (err) {
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res.statusCode = 500;
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res.end('{"error":{"message":"Could not save config file. Perhaps you\'re not running as root?"}}');
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return;
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}
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res.end('{"success":true}');
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});
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return;
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}
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if (/status/.test(opts.pathname)) {
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res.end(JSON.stringify(
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{ status: (state.config.disable ? 'disabled' : 'enabled')
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, ready: ((state.config.relay && (state.config.token || state.config.agreeTos)) ? true : false)
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}
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));
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return;
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}
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if (/list/.test(opts.pathname)) {
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listSuccess();
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return;
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}
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res.end('{"error":{"message":"unrecognized rpc"}}');
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});
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var fs = require('fs');
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if (fs.existsSync(state._ipc.path)) {
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fs.unlinkSync(state._ipc.path);
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}
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// mask is so that processes owned by other users
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// can speak to this process, which is probably root-owned
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var oldUmask = process.umask(0x0000);
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controlServer.listen({
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path: state._ipc.path
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, writableAll: true
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, readableAll: true
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, exclusive: false
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}, function () {
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process.umask(oldUmask);
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});
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}
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function serveControls() {
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if (!state.config.disable) {
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if (state.config.relay && (state.config.token || state.config.agreeTos)) {
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rawTunnel(function (err, _tun) {
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if (err) { throw err; }
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tun = _tun;
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serveControlsHelper();
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});
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return;
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}
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}
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serveControlsHelper();
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}
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function parseConfig(err, text) {
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function run() {
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if (!state.config) {
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state.config = {};
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}
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state._ipc = common.pipename(state.config, true);
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console.info('');
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console.info(verstr.join(' '));
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if (!state.config.sock) {
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console.info('(' + state._ipc.comment + ': "' + state._ipc.path + '")');
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}
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console.info('');
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state.token = state.token || state.config.token || token;
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state._confpath = confpath;
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if (!state.config.servernames) {
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state.config.servernames = {};
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}
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if (!state.config.ports) {
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state.config.ports = {};
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}
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state.servernames = JSON.parse(JSON.stringify(state.config.servernames));
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state.ports = JSON.parse(JSON.stringify(state.config.ports));
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serveControls();
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}
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try {
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state.config = JSON.parse(text || '{}');
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} catch(e1) {
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try {
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state.config = YAML.safeLoad(text || '{}');
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} catch(e2) {
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console.error(e1.message);
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console.error(e2.message);
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process.exit(1);
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return;
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}
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}
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state.config = camelCopy(state.config || {}) || {};
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run();
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if ((err && 'ENOENT' === err.code) || !Object.keys(state.config).length) {
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if (!err || 'ENOENT' === err.code) {
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console.warn("Empty config file. Run 'telebit init' to configure.\n");
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} else {
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console.warn("Couldn't load config:\n\n\t" + err.message + "\n");
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}
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}
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}
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function connectTunnel() {
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function sigHandler() {
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console.info('Received kill signal. Attempting to exit cleanly...');
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// We want to handle cleanup properly unless something is broken in our cleanup process
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// that prevents us from exitting, in which case we want the user to be able to send
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// the signal again and exit the way it normally would.
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process.removeListener('SIGINT', sigHandler);
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tun.end();
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controlServer.close();
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}
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// reverse 2FA otp
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function leftpad(i, n, c) {
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while (i.toString().length < (n || 4)) {
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i = (c || '0') + i;
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}
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return i;
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}
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function getOtp() {
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return leftpad(Math.round(Math.random() * 9999), 4, '0');
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}
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process.on('SIGINT', sigHandler);
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state.net = state.net || {
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createConnection: function (info, cb) {
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// data is the hello packet / first chunk
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// info = { data, servername, port, host, remoteFamily, remoteAddress, remotePort }
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var net = require('net');
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// socket = { write, push, end, events: [ 'readable', 'data', 'error', 'end' ] };
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var socket = net.createConnection({ port: info.port, host: info.host }, cb);
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return socket;
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}
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};
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state.otp = getOtp();
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state.greenlockConf = state.config.greenlock || {};
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state.sortingHat = state.config.sortingHat || path.resolve(__dirname, '..', 'lib/sorting-hat.js');
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// TODO sortingHat.print(); ?
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if (state.config.email && !state.token) {
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console.info();
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console.info('====================================');
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console.info('= HEY! LISTEN! =');
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console.info('====================================');
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console.info('= =');
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console.info('= 1. Open your email =');
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console.info('= =');
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console.info('= 2. Click the magic login link =');
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console.info('= Login Code (if needed): 0000 ='.replace('0000', state.otp));
|
|
console.info('= =');
|
|
console.info('= 3. Check back here for deets =');
|
|
console.info('= =');
|
|
console.info('= =');
|
|
console.info('====================================');
|
|
console.info();
|
|
}
|
|
// TODO Check undefined vs false for greenlock config
|
|
var remote = require('../');
|
|
state.handlers = {
|
|
grant: function (grants) {
|
|
console.info("");
|
|
console.info("Connect to your device by any of the following means:");
|
|
console.info("");
|
|
grants.forEach(function (arr) {
|
|
if ('https' === arr[0]) {
|
|
if (!state.servernames[arr[1]]) {
|
|
state.servernames[arr[1]] = {};
|
|
}
|
|
} else if ('tcp' === arr[0]) {
|
|
if (!state.ports[arr[2]]) {
|
|
state.ports[arr[2]] = {};
|
|
}
|
|
}
|
|
|
|
if ('ssh+https' === arr[0]) {
|
|
console.info("SSH+HTTPS");
|
|
} else if ('ssh' === arr[0]) {
|
|
console.info("SSH");
|
|
} else if ('tcp' === arr[0]) {
|
|
console.info("TCP");
|
|
} else if ('https' === arr[0]) {
|
|
console.info("HTTPS");
|
|
}
|
|
console.info('\t' + arr[0] + '://' + arr[1] + (arr[2] ? (':' + arr[2]) : ''));
|
|
if ('ssh+https' === arr[0]) {
|
|
console.info("\tex: ssh -o ProxyCommand='openssl s_client -connect %h:%p -servername %h -quiet' " + arr[1] + " -p 443\n");
|
|
} else if ('ssh' === arr[0]) {
|
|
console.info("\tex: ssh " + arr[1] + " -p " + arr[2] + "\n");
|
|
} else if ('tcp' === arr[0]) {
|
|
console.info("\tex: netcat " + arr[1] + " " + arr[2] + "\n");
|
|
} else if ('https' === arr[0]) {
|
|
console.info("\tex: curl https://" + arr[1] + "\n");
|
|
}
|
|
});
|
|
}
|
|
, access_token: function (opts) {
|
|
state.token = opts.jwt;
|
|
state.config.token = opts.jwt;
|
|
console.info("Updating '" + tokenpath + "' with new token:");
|
|
try {
|
|
require('fs').writeFileSync(tokenpath, opts.jwt);
|
|
} catch (e) {
|
|
console.error("Token not saved:");
|
|
console.error(e);
|
|
}
|
|
}
|
|
};
|
|
console.log();
|
|
state.greenlockConfig = {
|
|
version: state.greenlockConf.version || 'draft-11'
|
|
, server: state.greenlockConf.server || 'https://acme-v02.api.letsencrypt.org/directory'
|
|
, communityMember: state.greenlockConf.communityMember || state.config.communityMember
|
|
, telemetry: state.greenlockConf.telemetry || state.config.telemetry
|
|
, configDir: state.greenlockConf.configDir || path.resolve(__dirname, '..', 'etc/acme/')
|
|
// TODO, store: require(state.greenlockConf.store.name || 'le-store-certbot').create(state.greenlockConf.store.options || {})
|
|
, approveDomains: function (opts, certs, cb) {
|
|
// Certs being renewed are listed in certs.altnames
|
|
if (certs) {
|
|
opts.domains = certs.altnames;
|
|
cb(null, { options: opts, certs: certs });
|
|
return;
|
|
}
|
|
|
|
// by virtue of the fact that it's being tunneled through a
|
|
// trusted source that is already checking, we're good
|
|
//if (-1 !== state.config.servernames.indexOf(opts.domains[0])) {
|
|
opts.email = state.greenlockConf.email || state.config.email;
|
|
opts.agreeTos = state.greenlockConf.agree || state.greenlockConf.agreeTos || state.config.agreeTos;
|
|
cb(null, { options: opts, certs: certs });
|
|
return;
|
|
//}
|
|
|
|
//cb(new Error("servername not found in allowed list"));
|
|
}
|
|
};
|
|
state.insecure = state.config.relay_ignore_invalid_certificates;
|
|
// { relay, config, servernames, ports, sortingHat, net, insecure, token, handlers, greenlockConfig }
|
|
|
|
var tun = remote.connect({
|
|
relay: state.relay
|
|
, wss: state.wss
|
|
, config: state.config
|
|
, otp: state.otp
|
|
, sortingHat: state.sortingHat
|
|
, net: state.net
|
|
, insecure: state.insecure
|
|
, token: state.token
|
|
, servernames: state.servernames
|
|
, ports: state.ports
|
|
, handlers: state.handlers
|
|
, greenlockConfig: state.greenlockConfig
|
|
});
|
|
|
|
return tun;
|
|
}
|
|
|
|
function rawTunnel(cb) {
|
|
if (state.config.disable || !state.config.relay || !(state.config.token || state.config.agreeTos)) {
|
|
cb(null, null);
|
|
return;
|
|
}
|
|
|
|
state.relay = state.config.relay;
|
|
if (!state.relay) {
|
|
cb(new Error("'" + state._confpath + "' is missing 'relay'"));
|
|
return;
|
|
}
|
|
|
|
state.relayUrl = common.parseUrl(state.relay);
|
|
state.relayHostname = common.parseHostname(state.relay);
|
|
|
|
if (!state.config.token && state.config.secret) {
|
|
var jwt = require('jsonwebtoken');
|
|
var tokenData = {
|
|
domains: Object.keys(state.config.servernames || {}).filter(function (name) {
|
|
return /\./.test(name);
|
|
})
|
|
, ports: Object.keys(state.config.ports || {}).filter(function (port) {
|
|
port = parseInt(port, 10);
|
|
return port > 0 && port <= 65535;
|
|
})
|
|
, aud: aud
|
|
, iss: Math.round(Date.now() / 1000)
|
|
};
|
|
|
|
state.token = jwt.sign(tokenData, state.config.secret);
|
|
}
|
|
state.token = state.token || state.config.token;
|
|
|
|
common.urequest({ url: state.relayUrl + common.apiDirectory, json: true }, function (err, resp, body) {
|
|
state._apiDirectory = body;
|
|
state.wss = body.tunnel.method + '://' + body.api_host.replace(/:hostname/g, state.relayHostname) + body.tunnel.pathname
|
|
|
|
if (token) {
|
|
cb(null, connectTunnel());
|
|
return;
|
|
}
|
|
|
|
// TODO sign token with own private key, including public key and thumbprint
|
|
// (much like ACME JOSE account)
|
|
|
|
// TODO do auth stuff
|
|
|
|
cb(null, connectTunnel());
|
|
});
|
|
}
|
|
|
|
require('fs').readFile(confpath, 'utf8', parseConfig);
|
|
|
|
}());
|