738 lines
23 KiB
JavaScript
Executable File
738 lines
23 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 os = require('os');
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//var url = require('url');
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var fs = require('fs');
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var path = require('path');
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//var https = require('https');
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var YAML = require('js-yaml');
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var TOML = require('toml');
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var TPLS = TOML.parse(fs.readFileSync(path.join(__dirname, "../lib/en-us.toml"), 'utf8'));
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var JWT = require('../lib/jwt.js');
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/*
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if ('function' !== typeof TOML.stringify) {
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TOML.stringify = require('json2toml');
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}
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*/
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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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if (-1 === argIndex) {
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argIndex = argv.indexOf('-c');
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}
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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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var keys = Object.keys(TPLS.help).filter(function (key) {
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return 'remote' !== key;
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});
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var key = keys.filter(function (key) {
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return -1 !== process.argv.indexOf(key);
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})[0] || 'remote';
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console.info(TPLS.help[key].replace(/{version}/g, pkg.version));
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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.replace(new RegExp('^' + os.homedir()), '~') + '\')');
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}
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if ([ '-h', '--help', 'help' ].some(function (arg) {
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return -1 !== argv.indexOf(arg);
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})) {
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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/21771
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// https://github.com/nodejs/node/issues/21319
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, terminal: !/^win/i.test(os.platform()) && !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(TPLS.remote.setup.email);
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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(TPLS.remote.setup.fail_relay_check
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.replace(/{{\s*status_code\s*}}/, resp.statusCode)
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.replace(/{{\s*url\s*}}/, urlstr)
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);
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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(state.config.relay); 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 ask 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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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 RC;
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function parseConfig(err, text) {
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function handleConfig(err, config) {
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if (err) { throw err; }
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state.config = config;
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var verstrd = [ pkg.name + ' daemon v' + state.config.version ];
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if (state.config.version && state.config.version !== pkg.version) {
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console.info(verstr.join(' '), verstrd.join(' '));
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} else {
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console.info(verstr.join(' '));
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}
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if (err) {
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if ('ENOENT' === err.code || 'ECONNREFUSED' === err.code) {
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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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} else if ('ENOTSOCK' === err.code) {
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console.error(err);
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return;
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} else {
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console.error(err);
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}
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process.exit(101);
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return;
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}
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//
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// check for init first, before anything else
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// because it has arguments that may help in
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// the next steps
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//
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if (-1 !== argv.indexOf('init')) {
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parsers.init(argv, function (err) {
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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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getToken(function (err) {
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if (err) {
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console.error("Error while getting token [init]:");
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throw err;
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}
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parseCli(state);
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});
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});
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return;
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}
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if (!state.config.relay || !state.config.token) {
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if (!state.config.relay) {
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state.config.relay = 'telebit.cloud';
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}
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//console.log("question the user?", Date.now());
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askForConfig(state, function (err, state) {
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// no errors actually get passed, so this is just future-proofing
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if (err) { throw err; }
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if (!state.config.token && state._can_pair) {
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state.config._otp = common.otp();
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}
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//console.log("done questioning:", Date.now());
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if (!state.token && !state.config.token) {
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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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getToken(function (err) {
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if (err) {
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console.error("Error while getting token [init]:");
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throw err;
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}
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parseCli(state);
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});
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} else {
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parseCli(state);
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}
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});
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return;
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}
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//console.log("no questioning:");
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parseCli(state);
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}
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function parseCli(/*state*/) {
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var special = [
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'false', 'none', 'off', 'disable'
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, 'true', 'auto', 'on', 'enable'
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];
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if (-1 !== argv.indexOf('init')) {
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RC.request({ service: 'list', method: 'POST', data: [] }, handleRemoteRequest('list'));
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return;
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}
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if ([ 'ssh', 'http', 'tcp' ].some(function (key) {
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if (key !== argv[0]) {
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return false;
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}
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if (argv[1]) {
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if (String(argv[1]) === String(parseInt(argv[1], 10))) {
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// looks like a port
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argv[1] = parseInt(argv[1], 10);
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} else if (/\/|\\/.test(argv[1])) {
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// looks like a path
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argv[1] = path.resolve(argv[1]);
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// TODO make a default assignment here
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} else if (-1 === special.indexOf(argv[1])) {
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console.error("Not sure what you meant by '" + argv[1] + "'.");
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console.error("Remember: paths should begin with ." + path.sep + ", like '." + path.sep + argv[1] + "'");
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return true;
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}
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RC.request({ service: argv[0], method: 'POST', data: argv.slice(1) }, handleRemoteRequest(argv[0]));
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return true;
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}
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help();
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return true;
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})) {
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return;
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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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RC.request({ service: argv[0], method: 'POST', data: argv.slice(1) }, handleRemoteRequest(argv[0]));
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return true;
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}
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if ([ 'status', 'enable', 'disable', 'restart', 'list', 'save' ].some(makeRpc)) {
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return;
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}
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help();
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process.exit(11);
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}
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try {
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state._clientConfig = JSON.parse(text || '{}');
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} catch(e1) {
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try {
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state._clientConfig = YAML.safeLoad(text || '{}');
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} catch(e2) {
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try {
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state._clientConfig = TOML.parse(text || '');
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} catch(e3) {
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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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}
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state._clientConfig = camelCopy(state._clientConfig || {}) || {};
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RC = require('../lib/rc/index.js').create(state);
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if (!Object.keys(state._clientConfig).length) {
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console.info('(' + state._ipc.comment + ": " + state._ipc.path + ')');
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console.info("");
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}
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if ((err && 'ENOENT' === err.code) || !Object.keys(state._clientConfig).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 handleRemoteRequest(service, fn) {
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return function (err, body) {
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if ('function' === typeof fn) {
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fn(err, body); // XXX was resp
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return;
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}
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console.info("");
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if (err) {
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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(err.statusCode, err.message);
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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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|
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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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|
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if ("AWAIT_AUTH" === body.code) {
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|
console.info(body.message);
|
|
} else if ("CONFIG" === body.code) {
|
|
delete body.code;
|
|
//console.info(TOML.stringify(body));
|
|
console.info(YAML.safeDump(body));
|
|
} else {
|
|
if ('http' === body.module) {
|
|
// TODO we'll support slingshot-ing in the future
|
|
if (body.local) {
|
|
if (String(body.local) === String(parseInt(body.local, 10))) {
|
|
console.info('> Forwarding https://' + body.remote + ' => localhost:' + body.local);
|
|
} else {
|
|
console.info('> Serving ' + body.local + ' as https://' + body.remote);
|
|
}
|
|
} else {
|
|
console.info('> Rejecting End-to-End Encrypted HTTPS for now');
|
|
}
|
|
} else if ('tcp' === body.module) {
|
|
if (body.local) {
|
|
console.info('> Forwarding ' + state.config.relay + ':' + body.remote + ' => localhost:' + body.local);
|
|
} else {
|
|
console.info('> Rejecting Legacy TCP');
|
|
}
|
|
} else if ('ssh' === body.module) {
|
|
//console.info('> Forwarding ' + state.config.relay + ' -p ' + JSON.stringify(body) + ' => localhost:' + body.local);
|
|
if (body.local) {
|
|
console.info('> Forwarding ssh+https (openssl proxy) => localhost:' + body.local);
|
|
} else {
|
|
console.info('> Rejecting SSH-over-HTTPS for now');
|
|
}
|
|
} else if ('status' === body.module) {
|
|
// TODO funny one this one
|
|
if (body.port) {
|
|
console.info('http://localhost:' + (body.port));
|
|
}
|
|
console.info(JSON.stringify(body, null, 2));
|
|
} else {
|
|
console.info(JSON.stringify(body, null, 2));
|
|
}
|
|
console.info();
|
|
}
|
|
};
|
|
}
|
|
|
|
function getToken(fn) {
|
|
state.relay = state.config.relay;
|
|
|
|
// { _otp, config: {} }
|
|
common.api.token(state, {
|
|
error: function (err/*, next*/) {
|
|
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(TPLS.remote.code.replace(/0000/g, state.config._otp));
|
|
}
|
|
|
|
next();
|
|
}
|
|
, connect: function (pretoken, next) {
|
|
//console.log("[connect] Enabling Pairing Locally...");
|
|
state.config.pretoken = pretoken;
|
|
state._connecting = true;
|
|
|
|
// TODO use php-style object querification
|
|
RC.request({ service: 'config', method: 'POST', data: state.config }, handleRemoteRequest('config', function (err/*, body*/) {
|
|
if (err) {
|
|
state._error = err;
|
|
console.error("Error while initializing config [connect]:");
|
|
console.error(err);
|
|
return;
|
|
}
|
|
console.info("waiting...");
|
|
next();
|
|
}));
|
|
}
|
|
, offer: function (token, next) {
|
|
//console.log("[offer] Pairing Enabled by Relay");
|
|
state.config.token = token;
|
|
if (state._error) {
|
|
return;
|
|
}
|
|
state._connecting = true;
|
|
try {
|
|
JWT.decode(token);
|
|
//console.log(JWT.decode(token));
|
|
} catch(e) {
|
|
console.warn("[warning] could not decode token");
|
|
}
|
|
RC.request({ service: 'config', method: 'POST', data: state.config }, handleRemoteRequest('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 () {
|
|
RC.request({ service: 'enable', method: 'POST', data: [] }, handleRemoteRequest('enable', function (err) {
|
|
if (err) { console.error(err); return; }
|
|
console.info("Success");
|
|
|
|
// workaround for https://github.com/nodejs/node/issues/21319
|
|
if (state._useTty) {
|
|
setTimeout(function () {
|
|
console.info("Some fun things to try first:\n");
|
|
console.info(" ~/telebit http ~/public");
|
|
console.info(" ~/telebit tcp 5050");
|
|
console.info(" ~/telebit ssh auto");
|
|
console.info();
|
|
console.info("Press any key to continue...");
|
|
console.info();
|
|
process.exit(0);
|
|
}, 0.5 * 1000);
|
|
return;
|
|
}
|
|
// end workaround
|
|
|
|
//parseCli(state);
|
|
fn();
|
|
}));
|
|
}
|
|
});
|
|
}
|
|
|
|
RC.request({ service: 'config', method: 'GET' }, 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];
|
|
});
|
|
|
|
if (answers.relay) {
|
|
console.info("using --relay " + answers.relay);
|
|
}
|
|
// 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();
|
|
}
|
|
|
|
argv.unshift('init');
|
|
parseCb(null, state);
|
|
});
|
|
}
|
|
};
|
|
|
|
fs.readFile(confpath, 'utf8', parseConfig);
|
|
|
|
}());
|