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799 lines
25 KiB
799 lines
25 KiB
#!/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 os = require('os');
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//var url = require('url');
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var path = require('path');
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var http = require('http');
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//var https = require('https');
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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 urequest = require('@coolaj86/urequest');
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var common = require('../lib/cli-common.js');
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var argv = process.argv.slice(2);
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var argIndex = argv.indexOf('--config');
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var confpath;
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var useTty;
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var state = {};
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if (-1 === argIndex) {
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argIndex = argv.indexOf('-c');
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}
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if (-1 !== argIndex) {
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confpath = argv.splice(argIndex, 2)[1];
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}
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argIndex = argv.indexOf('--tty');
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if (-1 !== argIndex) {
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useTty = argv.splice(argIndex, 1);
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}
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function help() {
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//console.info('');
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//console.info('Telebit Remote 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('\ttelebit [--config <path>] <module> <module-options>');
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console.info('');
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console.info('Examples:');
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console.info('');
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//console.info('\ttelebit init # bootstrap the config files');
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//console.info('');
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console.info('\ttelebit status # whether enabled or disabled');
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console.info('\ttelebit enable # disallow incoming connections');
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console.info('\ttelebit disable # allow incoming connections');
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console.info('');
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console.info('\ttelebit list # list rules for servernames and ports');
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console.info('');
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console.info('\ttelebit http none # remove all https handlers');
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console.info('\ttelebit http 3000 # forward all https traffic to port 3000');
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console.info('\ttelebit http /module/path # load a node module to handle all https traffic');
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console.info('');
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console.info('\ttelebit http none example.com # remove https handler from example.com');
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console.info('\ttelebit http 3001 example.com # forward https traffic for example.com to port 3001');
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console.info('\ttelebit http /module/path example.com # forward https traffic for example.com to port 3001');
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console.info('');
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console.info('\ttelebit tcp none # remove all tcp handlers');
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console.info('\ttelebit tcp 5050 # forward all tcp to port 5050');
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console.info('\ttelebit tcp /module/path # handle all tcp with a node module');
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console.info('');
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console.info('\ttelebit tcp none 6565 # remove tcp handler from external port 6565');
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console.info('\ttelebit tcp 5050 6565 # forward external port 6565 to local 5050');
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console.info('\ttelebit tcp /module/path 6565 # handle external port 6565 with a node module');
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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 + ' remote v' + pkg.version ];
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if (!confpath) {
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confpath = path.join(os.homedir(), '.config/telebit/telebit.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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function askForConfig(state, mainCb) {
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var fs = require('fs');
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var ttyname = '/dev/tty';
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var stdin = useTty ? fs.createReadStream(ttyname, {
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fd: fs.openSync(ttyname, fs.constants.O_RDONLY | fs.constants.O_NOCTTY)
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}) : process.stdin;
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var readline = require('readline');
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var rl = readline.createInterface({
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input: stdin
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, output: process.stdout
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// https://github.com/nodejs/node/issues/21319
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, terminal: !useTty
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});
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state._useTty = useTty;
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// NOTE: Use of setTimeout
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// We're using setTimeout just to make the user experience a little
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// nicer, as if we're doing something inbetween steps, so that it
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// is a smooth rather than jerky experience.
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// >= 300ms is long enough to become distracted and change focus (a full blink, time for an idea to form as a thought)
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// <= 100ms is shorter than normal human reaction time (ability to place events chronologically, which happened first)
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// ~ 150-250ms is the sweet spot for most humans (long enough to notice change and not be jarred, but stay on task)
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var firstSet = [
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function askEmail(cb) {
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if (state.config.email) { cb(); return; }
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//console.info("");
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console.info("Welcome!");
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console.info("");
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console.info("By using Telebit you agree to:");
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console.info("");
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console.info(" [x] Accept the Telebit™ terms of service");
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console.info(" [x] Accept the Let's Encrypt™ terms of service");
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console.info("");
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console.info("Enter your email to agree and login/create your account:");
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console.info("");
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// TODO attempt to read email from npmrc or the like?
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rl.question('email: ', function (email) {
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email = /@/.test(email) && email.trim();
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if (!email) { askEmail(cb); return; }
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state.config.email = email.trim();
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state.config.agreeTos = true;
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console.info("");
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setTimeout(cb, 250);
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});
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}
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, function askRelay(cb) {
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function checkRelay(relay) {
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// TODO parse and check https://{{relay}}/.well-known/telebit.cloud/directives.json
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if (!relay) { relay = 'telebit.cloud'; }
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relay = relay.trim();
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var urlstr = common.parseUrl(relay) + common.apiDirectory;
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urequest({ url: urlstr, json: true }, function (err, resp, body) {
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if (err) {
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console.error("[Network Error] Failed to retrieve '" + urlstr + "'");
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console.error(err);
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askRelay(cb);
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return;
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}
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if (200 !== resp.statusCode || (Buffer.isBuffer(body) || 'object' !== typeof body) || !body.api_host) {
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console.warn("===================");
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console.warn(" WARNING ");
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console.warn("===================");
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console.warn("");
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console.warn("[" + resp.statusCode + "] '" + urlstr + "'");
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console.warn("This server does not describe a current telebit version (but it may still work).");
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console.warn("");
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console.warn(body);
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} else if (body && body.pair_request) {
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state._can_pair = true;
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}
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state.config.relay = relay;
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cb();
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});
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}
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if (state.config.relay) { checkRelay(); return; }
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console.info("");
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console.info("");
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console.info("What relay will you be using? (press enter for default)");
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console.info("");
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rl.question('relay [default: telebit.cloud]: ', checkRelay);
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}
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, function checkRelay(cb) {
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nextSet = [];
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if ('telebit.cloud' !== state.config.relay) {
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nextSet = nextSet.concat(standardSet);
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}
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if (!state._can_pair) {
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nextSet = nextSet.concat(fossSet);
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}
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cb();
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}
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];
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var standardSet = [
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// There are questions that we need to aks in the CLI
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// if we can't guarantee that they are being asked in the web interface
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function askAgree(cb) {
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if (state.config.agreeTos) { cb(); return; }
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console.info("");
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console.info("");
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console.info("Do you accept the terms of service for each and all of the following?");
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console.info("");
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console.info("\tTelebit - End-to-End Encrypted Relay");
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console.info("\tGreenlock - Automated HTTPS");
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console.info("\tLet's Encrypt - TLS Certificates");
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console.info("");
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console.info("Type 'y' or 'yes' to accept these Terms of Service.");
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console.info("");
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rl.question('agree to all? [y/N]: ', function (resp) {
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resp = resp.trim();
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if (!/^y(es)?$/i.test(resp) && 'true' !== resp) {
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throw new Error("You didn't accept the Terms of Service... not sure what to do...");
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}
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state.config.agreeTos = true;
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console.info("");
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setTimeout(cb, 250);
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});
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}
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, function askUpdates(cb) {
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// required means transactional, security alerts, mandatory updates
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var options = [ 'newsletter', 'important', 'required' ];
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if (-1 !== options.indexOf(state._updates)) { cb(); return; }
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console.info("");
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console.info("");
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console.info("What updates would you like to receive? (" + options.join(',') + ")");
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console.info("");
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rl.question('messages (default: important): ', function (updates) {
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state._updates = (updates || '').trim().toLowerCase();
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if (!state._updates) { state._updates = 'important'; }
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if (-1 === options.indexOf(state._updates)) { askUpdates(cb); return; }
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if ('newsletter' === state._updates) {
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state.config.newsletter = true;
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state.config.communityMember = true;
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} else if ('important' === state._updates) {
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state.config.communityMember = true;
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}
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setTimeout(cb, 250);
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});
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}
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, function askTelemetry(cb) {
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if (state.config.telemetry) { cb(); return; }
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console.info("");
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console.info("");
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console.info("Contribute project telemetry data? (press enter for default [yes])");
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console.info("");
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rl.question('telemetry [Y/n]: ', function (telemetry) {
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if (!telemetry || /^y(es)?$/i.test(telemetry)) {
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state.config.telemetry = true;
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}
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setTimeout(cb, 250);
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});
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}
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];
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var fossSet = [
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function askTokenOrSecret(cb) {
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if (state._can_pair || state.token || state.config.token
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|| state.secret || state.config.secret) { cb(); return; }
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console.info("");
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console.info("");
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console.info("What's your authorization for '" + state.config.relay + "'?");
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console.info("");
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// TODO check .well-known to learn supported token types
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console.info("Currently supported:");
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console.info("");
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console.info("\tToken (JWT format)");
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console.info("\tShared Secret (HMAC hex)");
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//console.info("\tPrivate key (hex)");
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console.info("");
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rl.question('auth: ', function (resp) {
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var jwt = require('jsonwebtoken');
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resp = (resp || '').trim();
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try {
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jwt.decode(resp);
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state.config.token = resp;
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} catch(e) {
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// is not jwt
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}
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if (!state.config.token) {
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resp = resp.toLowerCase();
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if (resp === Buffer.from(resp, 'hex').toString('hex')) {
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state.config.secret = resp;
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}
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}
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if (!state.config.token && !state.config.secret) {
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askTokenOrSecret(cb);
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return;
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}
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setTimeout(cb, 250);
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});
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}
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, function askServernames(cb) {
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if (!state.config.secret || state.config._servernames) { cb(); return; }
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console.info("");
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console.info("");
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console.info("What servername(s) will you be relaying here?");
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console.info("(use a comma-separated list such as example.com,example.net)");
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console.info("");
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rl.question('domain(s): ', function (resp) {
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resp = (resp || '').trim().split(/,/g);
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if (!resp.length) { askServernames(); return; }
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// TODO validate the domains
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state.config._servernames = resp;
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setTimeout(cb, 250);
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});
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}
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, function askPorts(cb) {
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if (!state.config.secret || state.config._ports) { cb(); return; }
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console.info("");
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console.info("");
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console.info("What tcp port(s) will you be relaying here?");
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console.info("(use a comma-separated list such as 2222,5050)");
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console.info("");
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rl.question('port(s) [default:none]: ', function (resp) {
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resp = (resp || '').trim().split(/,/g);
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if (!resp.length) { askPorts(); return; }
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// TODO validate the domains
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state.config._ports = resp;
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setTimeout(cb, 250);
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});
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}
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];
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var nextSet = firstSet;
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function next() {
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var q = nextSet.shift();
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if (!q) {
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// https://github.com/nodejs/node/issues/21319
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if (useTty) { try { stdin.push(null); } catch(e) { /*ignore*/ } }
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rl.close();
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if (useTty) { try { stdin.close(); } catch(e) { /*ignore*/ } }
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mainCb(null, state);
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return;
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}
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q(next);
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}
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next();
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}
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var utils = {
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request: function request(opts, fn) {
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if (!opts) { opts = {}; }
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var service = opts.service || 'config';
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var req = http.get({
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socketPath: state._ipc.path
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, method: opts.method || 'GET'
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, path: '/rpc/' + service
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}, function (resp) {
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var body = '';
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function finish() {
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if (200 !== resp.statusCode) {
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console.warn(resp.statusCode);
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console.warn(body || ('get' + service + ' failed'));
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//cb(new Error("not okay"), body);
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return;
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}
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if (!body) { fn(null, null); return; }
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try {
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body = JSON.parse(body);
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} catch(e) {
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// ignore
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}
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fn(null, body);
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}
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if (resp.headers['content-length']) {
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resp.on('data', function (chunk) {
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body += chunk.toString();
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});
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resp.on('end', function () {
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finish();
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});
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} else {
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finish();
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}
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});
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req.on('error', function (err) {
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// ENOENT - never started, cleanly exited last start, or creating socket at a different path
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// ECONNREFUSED - leftover socket just needs to be restarted
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if ('ENOENT' === err.code || 'ECONNREFUSED' === err.code) {
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if (opts._taketwo) {
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console.error("Either the telebit service was not already (and could not be started) or its socket could not be written to.");
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console.error(err);
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return;
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}
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require('../usr/share/install-launcher.js').install({ env: process.env }, function (err) {
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if (err) { fn(err); return; }
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opts._taketwo = true;
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utils.request(opts, fn);
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});
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return;
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}
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if ('ENOTSOCK' === err.code) {
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console.error(err);
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return;
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}
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console.error(err);
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return;
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});
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}
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, putConfig: function putConfig(service, args, fn) {
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//console.log('debug path:');
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//console.log('/rpc/' + service + '?_body=' + JSON.stringify(args));
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var req = http.get({
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socketPath: state._ipc.path
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, method: 'POST'
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, path: '/rpc/' + service + '?_body=' + JSON.stringify(args)
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}, function (resp) {
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function finish() {
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if ('function' === typeof fn) {
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fn(null, resp);
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return;
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}
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console.info("");
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if (200 !== resp.statusCode) {
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console.warn("'" + service + "' may have failed."
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+ " Consider peaking at the logs either with 'journalctl -xeu telebit' or /opt/telebit/var/log/error.log");
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console.warn(resp.statusCode, body);
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//cb(new Error("not okay"), body);
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return;
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}
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if (!body) {
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console.info("👌");
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return;
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}
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try {
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body = JSON.parse(body);
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} catch(e) {
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// ignore
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}
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if ("AWAIT_AUTH" === body.code) {
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console.info(body.message);
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} else if ("CONFIG" === body.code) {
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delete body.code;
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console.info(YAML.safeDump(body));
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} else {
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console.info(JSON.stringify(body, null, 2));
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}
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}
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var body = '';
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if (resp.headers['content-length']) {
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resp.on('data', function (chunk) {
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body += chunk.toString();
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});
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resp.on('end', function () {
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finish();
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});
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} else {
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finish();
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}
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});
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req.on('error', function (err) {
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console.error('Put Config Error:');
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console.error(err);
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return;
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});
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}
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};
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// Two styles:
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// http 3000
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// http modulename
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|
function makeRpc(key) {
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if (key !== argv[0]) {
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return false;
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}
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utils.putConfig(argv[0], argv.slice(1));
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return true;
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}
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function packConfig(config) {
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return Object.keys(config).map(function (key) {
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var val = config[key];
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if ('undefined' === val) {
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throw new Error("'undefined' used as a string value");
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}
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if ('undefined' === typeof val) {
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//console.warn('[DEBUG]', key, 'is present but undefined');
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return;
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}
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if (val && 'object' === typeof val && !Array.isArray(val)) {
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val = JSON.stringify(val);
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}
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return key + ':' + val; // converts arrays to strings with ,
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});
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}
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function getToken(err, state) {
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if (err) {
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console.error("Error while initializing config [init]:");
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throw err;
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}
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|
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// { _otp, config: {} }
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common.api.token(state, {
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error: function (err/*, next*/) {
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console.error("[Error] common.api.token:");
|
|
console.error(err);
|
|
return;
|
|
}
|
|
, directory: function (dir, next) {
|
|
//console.log('[directory] Telebit Relay Discovered:');
|
|
//console.log(dir);
|
|
state._apiDirectory = dir;
|
|
next();
|
|
}
|
|
, tunnelUrl: function (tunnelUrl, next) {
|
|
//console.log('[tunnelUrl] Telebit Relay Tunnel Socket:', tunnelUrl);
|
|
state.wss = tunnelUrl;
|
|
next();
|
|
}
|
|
, requested: function (authReq, next) {
|
|
//console.log("[requested] Pairing Requested");
|
|
state.config._otp = state.config._otp = authReq.otp;
|
|
|
|
if (!state.config.token && state._can_pair) {
|
|
console.info("");
|
|
console.info("==============================================");
|
|
console.info(" Hey, Listen! ");
|
|
console.info("==============================================");
|
|
console.info(" ");
|
|
console.info(" GO CHECK YOUR EMAIL! ");
|
|
console.info(" ");
|
|
console.info(" DEVICE PAIR CODE: 0000 ".replace(/0000/g, state.config._otp));
|
|
console.info(" ");
|
|
console.info("==============================================");
|
|
console.info("");
|
|
}
|
|
|
|
next();
|
|
}
|
|
, connect: function (pretoken, next) {
|
|
//console.log("[connect] Enabling Pairing Locally...");
|
|
state.config.pretoken = pretoken;
|
|
state._connecting = true;
|
|
|
|
// TODO use php-style object querification
|
|
utils.putConfig('config', packConfig(state.config), function (err/*, body*/) {
|
|
if (err) {
|
|
state._error = err;
|
|
console.error("Error while initializing config [connect]:");
|
|
console.error(err);
|
|
return;
|
|
}
|
|
console.log("waiting...");
|
|
next();
|
|
});
|
|
}
|
|
, offer: function (token, next) {
|
|
//console.log("[offer] Pairing Enabled by Relay");
|
|
state.config.token = token;
|
|
if (state._error) {
|
|
return;
|
|
}
|
|
state._connecting = true;
|
|
console.log("Token Offered:");
|
|
console.log(token);
|
|
try {
|
|
console.log(require('jsonwebtoken').decode(token));
|
|
} catch(e) {
|
|
console.warn("[warning] could not decode token");
|
|
}
|
|
utils.putConfig('config', packConfig(state.config), function (err/*, body*/) {
|
|
if (err) {
|
|
state._error = err;
|
|
console.error("Error while initializing config [offer]:");
|
|
console.error(err);
|
|
return;
|
|
}
|
|
//console.log("Pairing Enabled Locally");
|
|
next();
|
|
});
|
|
}
|
|
, granted: function (_, next) {
|
|
//console.log("[grant] Pairing complete!");
|
|
next();
|
|
}
|
|
, end: function () {
|
|
utils.putConfig('enable', [], function (err) {
|
|
if (err) { console.error(err); return; }
|
|
console.info("[end] Success");
|
|
|
|
// workaround for https://github.com/nodejs/node/issues/21319
|
|
if (state._useTty) {
|
|
setTimeout(function () {
|
|
console.info();
|
|
console.info("Press any key to continue...");
|
|
console.info();
|
|
process.exit(0);
|
|
}, 0.5 * 1000);
|
|
return;
|
|
}
|
|
// end workaround
|
|
|
|
parseCli(state);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
function parseCli(/*state*/) {
|
|
if (-1 !== argv.indexOf('init')) {
|
|
utils.putConfig('list', []/*, function (err) {
|
|
}*/);
|
|
return;
|
|
}
|
|
|
|
if ([ 'ssh', 'http', 'tcp' ].some(function (key) {
|
|
if (key !== argv[0]) {
|
|
return false;
|
|
}
|
|
if (argv[1]) {
|
|
utils.putConfig(argv[0], argv.slice(1));
|
|
return true;
|
|
}
|
|
return true;
|
|
})) {
|
|
help();
|
|
process.exit(13);
|
|
return;
|
|
}
|
|
|
|
if ([ 'status', 'enable', 'disable', 'restart', 'list', 'save' ].some(makeRpc)) {
|
|
return;
|
|
}
|
|
|
|
help();
|
|
process.exit(11);
|
|
}
|
|
|
|
function handleConfig(err, config) {
|
|
//console.log('CONFIG');
|
|
//console.log(config);
|
|
state.config = config;
|
|
|
|
if (err) { console.error(err); process.exit(101); return; }
|
|
|
|
//
|
|
// check for init first, before anything else
|
|
// because it has arguments that may help in
|
|
// the next steps
|
|
//
|
|
if (-1 !== argv.indexOf('init')) {
|
|
parsers.init(argv, getToken);
|
|
return;
|
|
}
|
|
|
|
if (!state.config.relay || !state.config.token) {
|
|
if (!state.config.relay) {
|
|
state.config.relay = 'telebit.cloud';
|
|
}
|
|
|
|
//console.log("question the user?", Date.now());
|
|
askForConfig(state, function (err, state) {
|
|
// no errors actually get passed, so this is just future-proofing
|
|
if (err) { throw err; }
|
|
|
|
if (!state.config.token && state._can_pair) {
|
|
state.config._otp = common.otp();
|
|
}
|
|
|
|
//console.log("done questioning:", Date.now());
|
|
state.relay = state.config.relay;
|
|
if (!state.token && !state.config.token) {
|
|
getToken(err, state);
|
|
} else {
|
|
parseCli(state);
|
|
}
|
|
});
|
|
return;
|
|
}
|
|
|
|
//console.log("no questioning:");
|
|
parseCli(state);
|
|
}
|
|
|
|
function parseConfig(err, text) {
|
|
|
|
console.info("");
|
|
console.info(verstr.join(' '));
|
|
|
|
try {
|
|
state._clientConfig = JSON.parse(text || '{}');
|
|
} catch(e1) {
|
|
try {
|
|
state._clientConfig = YAML.safeLoad(text || '{}');
|
|
} catch(e2) {
|
|
console.error(e1.message);
|
|
console.error(e2.message);
|
|
process.exit(1);
|
|
return;
|
|
}
|
|
}
|
|
|
|
state._clientConfig = camelCopy(state._clientConfig || {}) || {};
|
|
common._init(
|
|
// make a default working dir and log dir
|
|
state._clientConfig.root || path.join(os.homedir(), '.local/share/telebit')
|
|
, (state._clientConfig.root && path.join(state._clientConfig.root, 'etc'))
|
|
|| path.resolve(common.DEFAULT_CONFIG_PATH, '..')
|
|
);
|
|
state._ipc = common.pipename(state._clientConfig, true);
|
|
|
|
if (!Object.keys(state._clientConfig).length) {
|
|
console.info('(' + state._ipc.comment + ": " + state._ipc.path + ')');
|
|
console.info("");
|
|
}
|
|
|
|
if ((err && 'ENOENT' === err.code) || !Object.keys(state._clientConfig).length) {
|
|
if (!err || 'ENOENT' === err.code) {
|
|
//console.warn("Empty config file. Run 'telebit init' to configure.\n");
|
|
} else {
|
|
console.warn("Couldn't load config:\n\n\t" + err.message + "\n");
|
|
}
|
|
}
|
|
|
|
utils.request({ service: 'config' }, handleConfig);
|
|
}
|
|
|
|
var parsers = {
|
|
init: function (argv, parseCb) {
|
|
var answers = {};
|
|
var boolish = [ '--advanced' ];
|
|
if ('init' !== argv[0]) {
|
|
throw new Error("init must be the first argument");
|
|
}
|
|
argv.shift();
|
|
|
|
// init --foo bar
|
|
argv.forEach(function (arg, i) {
|
|
if (!/^--/.test(arg)) { return; }
|
|
if (-1 !== boolish.indexOf(arg)) {
|
|
answers['_' + arg.replace(/^--/, '')] = true;
|
|
}
|
|
if (/^-/.test(argv[i + 1])) {
|
|
throw new Error(argv[i + 1] + ' requires an argument');
|
|
}
|
|
answers[arg] = argv[i + 1];
|
|
});
|
|
|
|
// init foo:bar
|
|
argv.forEach(function (arg) {
|
|
if (/^--/.test(arg)) { return; }
|
|
var parts = arg.split(/:/g);
|
|
if (2 !== parts.length) {
|
|
throw new Error("bad option to init: '" + arg + "'");
|
|
}
|
|
if (answers[parts[0]]) {
|
|
throw new Error("duplicate key to init '" + parts[0] + "'");
|
|
}
|
|
answers[parts[0]] = parts[1];
|
|
});
|
|
|
|
// things that aren't straight-forward copy-over
|
|
if (!answers.advanced && !answers.relay) {
|
|
answers.relay = 'telebit.cloud';
|
|
}
|
|
if (Array.isArray(common._NOTIFICATIONS[answers.update])) {
|
|
common._NOTIFICATIONS[answers.update].forEach(function (name) {
|
|
state.config[name] = true;
|
|
});
|
|
}
|
|
if (answers.servernames) {
|
|
state.config._servernames = answers.servernames;
|
|
}
|
|
if (answers.ports) {
|
|
state.config._ports = answers.ports;
|
|
}
|
|
|
|
// things that are straight-forward copy-over
|
|
common.CONFIG_KEYS.forEach(function (key) {
|
|
if ('true' === answers[key]) { answers[key] = true; }
|
|
if ('false' === answers[key]) { answers[key] = false; }
|
|
if ('null' === answers[key]) { answers[key] = null; }
|
|
if ('undefined' === answers[key]) { delete answers[key]; }
|
|
if ('undefined' !== typeof answers[key]) {
|
|
state.config[key] = answers[key];
|
|
}
|
|
});
|
|
|
|
askForConfig(state, function (err, state) {
|
|
if (err) { parseCb(err); return; }
|
|
|
|
if (!state.config.token && state._can_pair) {
|
|
state.config._otp = common.otp();
|
|
}
|
|
|
|
parseCb(null, state);
|
|
});
|
|
}
|
|
};
|
|
|
|
require('fs').readFile(confpath, 'utf8', parseConfig);
|
|
|
|
}());
|
|
|