Merge branch 'service-testing'

client/index.js

@@ -1,26 +0,0 @@
-(async () => {
-const { title } = require('../lib/title');
-const net = require('net');
-const os = require('os');
-const log = require('signale');
-const { config } = require('./../package.json');
-const { hri } = require('human-readable-ids');
-const { Profiles } = require('../lib/Profiles');
-const profiles = new Profiles('client');
-const yargs = require('yargs').argv;
-const identity = yargs.profile ? 
-                   await profiles.get(yargs.profile) :
-                   await profiles.get((await profiles.all())[0]);
-
-// const id = hri.random();
-
-// console.log(id)
-
-// title(id);
-// title(identity.name.replace(/-/g, ' '));
-
-// await profiles.create();
-
-
-
-})();

lib/Gateway.js

@@ -0,0 +1,136 @@
+const { config } = require('./config');
+const Keyv = require('keyv');
+const { KeyvFile } = require('keyv-file');
+const { Signale } = require('signale');
+const log = new Signale().scope('GTWY');
+const interactive = new Signale({ interactive: true, scope: 'GTWY' });
+const stp = require('./STP');
+const appdata = require('./appdata');
+
+class Gateway {
+	constructor(identity, endpoints) {
+		this.identity = identity;
+
+		this.endpoints = new Keyv({
+			store: new KeyvFile({
+				filename: `${appdata}/valnet/relay/${this.identity.name}-endpoints.json`
+			})
+		});
+
+		this.ready = this.insertEndpoints(endpoints)
+			.then(this.networkTest.bind(this));
+	}
+
+	async insertEndpoints(endpoints) {
+		for (const endpoint of endpoints) {
+			const storeValue = await this.endpoints.get(endpoint);
+			if (storeValue) continue;
+
+			const [host, port] = endpoint.split(':');
+			const record = new EndpointRecord(host, port, null, 'unknown');
+			const currentEnpoints = await this.endpoints.get('cache') || [];
+
+			if (currentEnpoints.indexOf(endpoint) === -1) {
+				currentEnpoints.push(endpoint);
+				await this.endpoints.set('cache', currentEnpoints);
+			}
+
+			await this.endpoints.set(endpoint, record);
+		}
+
+		log.info('gateway endpoints:');
+		log.info('\t' + (await this.endpoints.get('cache')).join('\n\t'));
+	}
+
+	async networkTest() {
+		const endpoints = (await Promise.all(
+			(await this.endpoints.get('cache'))
+				.map(endpoint => this.endpoints.get(endpoint))
+		)).map(EndpointRecord.fromJson);
+
+		for (const endpoint of endpoints) {
+			await this.testEndpoint(endpoint.host, endpoint.port);
+		}
+	}
+
+	async testEndpoint(host, port) {
+		await new Promise(async (res, rej) => {
+			let pings = [];
+			let maxPings = 10;
+			let connectionAttempts = 0;
+			log.info(`Connecting to ${host}:${port}...`);
+
+			while (connectionAttempts < 10 && pings.length < maxPings) {
+
+				await new Promise(async (res) => {
+					const client = stp.connect({
+						identity: this.identity,
+						ip: host,
+						port: parseInt(port)
+					});
+
+					client.on('error', _ => _);
+
+					client.on('ready', async () => {
+						while (pings.length < maxPings) {
+							interactive.info(`[${pings.length + 1}/${maxPings}] Testing connection...`);
+							pings.push(await client.ping());
+							// pings.push(10);
+							await new Promise(res => setTimeout(res, 100));
+						}
+						const average = Math.round(pings.reduce((a, v) => a + v, 0) / maxPings);
+						interactive.success(`Test complete. Average Ping: ${average}`)
+						client.tcpSocket.destroy();
+						res();
+					});
+
+					client.on('close', () => {
+						res();
+					});
+
+				});
+
+			}
+		});
+	}
+}
+
+class EndpointRecord {
+
+	/**
+	 * @param {Object|string} json string / object representation
+	 * @returns {EndpointRecord}
+	 */
+	static fromJson(obj) {
+		if (typeof obj === 'string')
+			return EndpointRecord.fromJson(JSON.parse(obj));
+
+		return new EndpointRecord(
+			obj.host,
+			obj.port,
+			obj.lastPing ? new PingRecord(
+				obj.lastPing.average,
+				obj.lastPing.tests,
+				obj.lastPing.date
+			) : null,
+			obj.status
+		);
+	}
+
+	constructor(host, port, lastPing, status) {
+		this.host = host;
+		this.port = port;
+		this.lastPing = lastPing;
+		this.status = status;
+	}
+}
+
+class PingRecord {
+	constructor(average, tests, date) {
+		this.average = average;
+		this.tests = tests;
+		this.date = date;
+	}
+}
+
+module.exports = Gateway

lib/Identity.js

@@ -4,6 +4,7 @@ const { hri } = require('human-readable-ids');
 const os = require('os');
 const NodeRSA = require('node-rsa');
 let log = require('signale').scope('Identity(null)');
+const appdata = require('./appdata');
 
 module.exports.Identity = class Identity {
 	kv;
@@ -13,9 +14,10 @@ module.exports.Identity = class Identity {
 	/// ASYNC CONSTRUCTOR
 	constructor(module, id) {
 		return new Promise(async (res, rej) => {
+
 			const kv = new Keyv({
 				store: new KeyvFile({
-					filename: `${os.tmpdir()}/valnet/${module}/${id}.json`
+					filename: `${appdata}/valnet/${module}/${id}.json`
 				})
 			});
 
@@ -67,6 +69,6 @@ module.exports.Identity = class Identity {
 	}
 
 	toString() {
-		return `[Identity(${this.name})]`;
+		return `[Identity ${this.name}]`;
 	}
 }

lib/STP/index.js

@@ -1,12 +1,13 @@
 const net = require('net');
 const EventEmitter = require('events');
 const NodeRSA = require('node-rsa');
-const log = require('signale').scope('stp');
+const log = require('signale').scope('_STP');
 const {
 	KeyExchangePacket,
-	AckPacket
+	AckPacket,
+	PingPacket,
+	PongPacket
 } = require('./packets');
-const { rejects } = require('assert');
 
 module.exports.createServer = function({identity = {}, port = 5000} = {}, cb = _ => _) {
 	const server = new Server(identity, port);
@@ -37,7 +38,7 @@ class Server extends EventEmitter {
 	}
 
 	openServer() {
-		log.info(`opening STP server on ${this.port}`);
+		// log.info(`opening STP server on ${this.port}`);
 		this.tcpServer = net.createServer(this.tcpConnectClient.bind(this));
 		this.tcpServer.on('error', e => {
 			log.warn(e)
@@ -56,11 +57,17 @@ class Server extends EventEmitter {
 
 class STPSocket extends EventEmitter {
 	tcpSocket;
-	readyState = 0;
 	buffer = '';
 	externalKey;
 	identity;
 
+	CONNECTING = Symbol('connecting');
+	EXCHANGE = Symbol('exchange');
+	SECURED = Symbol('secured');
+	readyState = this.CONNECTING;
+
+	pingCallbacks = new Map();
+
 	get loopback() {
 		return this.identity.publicKey ===
 			this.externalKey.exportKey('pkcs8-public-pem');
@@ -113,24 +120,33 @@ class STPSocket extends EventEmitter {
 	}
 
 	processMessage(obj) {
-		switch(obj.cmd) {
+
-			case 'KEY': {
+		if(this.readyState === this.CONNECTING && obj.cmd === 'KEY') {
-				if(this.readyState === 0) {
+			this.externalKey = new NodeRSA();
-					this.externalKey = new NodeRSA();
+			this.externalKey.importKey(obj.data.key, 'pkcs8-public-pem');
-					this.externalKey.importKey(obj.data.key, 'pkcs8-public-pem');
+			this.tcpSocket.write(new AckPacket().toBuffer());
-					this.tcpSocket.write(new AckPacket().toBuffer());
+			this.readyState = this.EXCHANGE;
-					this.readyState = 1;
+			return;
-				}
-				break;
-			}
-			case 'ACK': {
-				if(this.readyState === 1) {
-					this.readyState = 2;
-					this.emit('ready');
-				}
-				break;
-			}
 		}
+
+		if(this.readyState === this.EXCHANGE && obj.cmd === 'ACK') {
+			this.readyState = this.SECURED;
+			this.emit('ready');
+			return;
+		}
+
+		if (this.readyState === this.SECURED && obj.cmd === 'PING') {
+			this.tcpSocket.write(new PongPacket(obj.data.id).toBuffer());
+			return;
+		}
+
+		if (this.readyState === this.SECURED && obj.cmd === 'PONG') {
+			if (this.pingCallbacks.has(obj.data.id)) {
+				this.pingCallbacks.get(obj.data.id)();
+			}
+			return;
+		}
+
 	}
 
 	handshake() {
@@ -139,4 +155,17 @@ class STPSocket extends EventEmitter {
 		const buffer = packet.toBuffer();
 		this.tcpSocket.write(buffer);
 	}
+
+	async ping() {
+		const startTime = new Date().getTime();
+		return await new Promise(async (res) => {
+			const packet = new PingPacket();
+			this.pingCallbacks.set(packet.data.id, _ => {
+				res(new Date().getTime() - startTime);
+				this.pingCallbacks.delete(packet.data.id);
+			});
+			this.tcpSocket.write(packet.toBuffer());
+		})
+
+	}
 }

lib/STP/packets.js

@@ -1,4 +1,6 @@
+const md5 = require('md5');
 
+// #region === [ private lib functions ] ===
 
 class STPPacket {
 	cmd = 'NOOP';
@@ -14,15 +16,6 @@ class STPPacket {
 	}
 }
 
-class KeyExchangePacket extends STPPacket {
-	constructor(key, type = 'pkcs8-pem') {
-		super();
-		this.cmd = 'KEY';
-		this.data.key = key;
-		this.meta.type = type;
-	}
-}
-
 function basicPacket(commandName) {
 	return class extends STPPacket {
 		constructor() {
@@ -32,7 +25,87 @@ function basicPacket(commandName) {
 	}
 }
 
-module.exports.STPPacket = STPPacket;
+// #endregion
+
+// #region === [ exotic packet classes ] ===
+
+class KeyExchangePacket extends STPPacket {
+	constructor(key, type = 'pkcs8-pem') {
+		super();
+		this.cmd = 'KEY';
+		this.data.key = key;
+		this.meta.type = type;
+	}
+}
+
+class ClientsPacket extends STPPacket {
+	constructor(clients) {
+		super();
+		this.cmd = 'NODES'
+		this.data.clients = clients;
+	}
+}
+
+class PingPacket extends STPPacket {
+	constructor() {
+		super();
+		this.cmd = 'PING';
+		this.data.id = md5(Date());
+	}
+}
+
+class PongPacket extends STPPacket {
+	constructor(id) {
+		super();
+		this.cmd = 'PONG';
+		this.data.id = id;
+	}
+}
+
+// #endregion
+
+// #region === [ ordinary packet classes ] ===
+
+const AckPacket = basicPacket('ACK');
+const GetClientsPacket = basicPacket('QNODES');
+
+// #endregion
+
+// #region === [ public lib functions ] ===
+
+function reconstructPacket(packet) {
+
+	if(packet.startsWith('\02'))
+		return reconstructPacket(packet.substr(1));
+	if(packet.endsWith('\x03'))
+		return reconstructPacket(packet.substr(0, packet.length - 1));
+
+	const obj = JSON.parse(packet);
+
+	switch(obj.cmd) {
+		case 'KEY': return new KeyExchangePacket(obj.data.key, obj.meta.type);
+		case 'NODES': return new ClientsPacket(obj.data.clients);
+		case 'QNODES': return new GetClientsPacket();
+		case 'ACK': return new AckPacket();
+
+		case 'NOOP': return new STPPacket();
+		default: throw new TypeError(`Unknown command ${obj.cmd}`);
+	}
+
+}
+
+// #endregion
+
+// #region === [ exports ] ===
+
 module.exports.KeyExchangePacket = KeyExchangePacket;
-module.exports.AckPacket = basicPacket('ACK')
+module.exports.ClientsPacket = ClientsPacket;
-module.exports.GetClientsPacket = basicPacket('NODES')
+module.exports.PingPacket = PingPacket;
+module.exports.PongPacket = PongPacket;
+
+module.exports.AckPacket = AckPacket;
+module.exports.GetClientsPacket = GetClientsPacket;
+
+module.exports.reconstructPacket = reconstructPacket;
+
+// #endregion

lib/appdata.js

@@ -0,0 +1,3 @@
+const appdata = process.env.APPDATA || (process.platform == 'darwin' ? process.env.HOME + '/Library/Preferences' : process.env.HOME + "/.local/share");
+
+module.exports = appdata;

lib/config.js

@@ -0,0 +1,39 @@
+const pkg = require('./../package.json');
+const { readFileSync, writeFileSync } = require('fs');
+const { ensureDirSync } = require('fs-extra');
+
+const appdata = require('./appdata');
+ensureDirSync(`${appdata}/valnet/relay`);
+const filepath = `${appdata}/valnet/relay/config.json`;
+
+const configObject = {}
+
+module.exports.config = configObject;
+
+module.exports.write = write;
+
+function write() {
+	writeFileSync(filepath, JSON.stringify(configObject, null, 2));
+}
+
+function importFromPackage() {
+	loadObject(pkg.config);
+}
+
+function loadObject(obj) {
+	for(const key in obj) {
+		configObject[key] = obj[key];
+	}
+
+	write();
+}
+
+try {
+	const json = readFileSync(filepath);
+	const data = JSON.parse(json);
+
+	loadObject(data);
+
+} catch(e) {
+	importFromPackage();
+}

lib/node.js

@@ -1,11 +1,111 @@
 const EventEmitter = require('events')
-
+const stp = require('./STP');
+const upnp = require('./upnp');
+const md5 = require('md5');
+const pkg = require('./../package.json');
+const { config, write } = require('./config.js');
+const log = require('signale').scope('NODE');
+const bonjour = require('bonjour')();
+const Gateway = require('./Gateway');
 
 class Node extends EventEmitter {
-	constructor() {
+	clients = [];
+	hash = null;
+	name = null;
+	readyPromise = null;
+	port = null;
+	identity;
+	multicastAd = null;
+	multicastBrowser = null;
+	connected = false;
+	
+	constructor(identity) {
+		super();
+		this.identity = identity;
+		this.hash = md5(identity.publicKey);
+		this.name = `valnet-node-${identity.name}`;
+
+		this.readyPromise = this.negotiatePort()
+			.then(this.startServer.bind(this))
+			.catch(this.serverStartupFailed.bind(this))
+			.then(this.connectNetwork.bind(this))
+	}
+
+	async connectNetwork() {
+		const gateway = new Gateway(this.identity, config.endpoints);
+	}
+
+	async serverStartupFailed(error) {
+		log.warn('Failed to set up Valet server on node.')
+	}
+
+	async startServer() {
+		log.info('creating Valnet Node on port ' + this.port + '...');
+
+		stp.createServer({
+			identity: this.identity,
+			port: this.port
+		}, (connection) => {
+			log.info('incomming connection from ' + connection.remoteAddress);
+		});
 		
+		log.info('advertising node on multicast...')
+		this.multicastAd = bonjour.publish({
+			name: this.name,
+			type: 'STP',
+			port: this.port
+		});
+
+		this.multicastBrowser = bonjour.find({});
+
+		this.multicastBrowser.on('up', this.serviceUp.bind(this));
+		this.multicastBrowser.on('down', this.serviceDown.bind(this));
+
+		// log.success('Node successfully registered!');
+	}
+
+	async serviceUp({name, address, port, protocol}) {
+		// log.debug(`Found ${name} @ ${address}:${port} using ${protocol}`);
+	}
+
+	async serviceDown(service) {
+		log.debug('down', service);
+	}
+
+	async negotiatePort() {
+		const mappings = await upnp.mappings();
+		const matchingMappings = mappings.filter(mapping => {
+			return mapping.description === this.name
+		});
+		const alreadyMapped = matchingMappings.length > 0;
+		const takenPorts = mappings.map(mapping => mapping.public.port);
+
+		if(alreadyMapped) {
+			this.port = matchingMappings[0].public.port;
+			log.success(`upnp port ${this.port} already registered!`);
+			return;
+		}
+
+		for(let port = config.ports.relay; port <= config.ports.relayEnd; port ++) {
+			if(takenPorts.indexOf(port) === -1) {
+				await upnp.mapIndefinite(port, this.name);
+				this.port = port;
+				log.success(`registered upnp port ${this.port}`);
+				return;
+			}
+		}
+
+		// console.log(mappings, this.hash);
+	}
+
+	static get Node() {
+		return Node;
+	}
+
+	get ready() {
+		return this.readyPromise;
 	}
 }
 
 
-module.exports.Node = Node;
+module.exports = Node;

lib/upnp.js

@@ -1,31 +1,34 @@
 const natUpnp = require('nat-upnp');
 const client = natUpnp.createClient();
-module.exports.map = function(port) {
+
+module.exports.map = function(port, ttl = 10, name = 'upnp application') {
 	return new Promise((res, rej) => {
 		client.portMapping({
 			private: port,
 			public: port,
-			ttl: 10,
+			ttl,
-			description: 'valnet'
+			description: name
 		}, (err) => {
 			if(err) rej(err);
 			res();
 		});
 	});
-}
+};
-module.exports.mapIndefinite = function(port) {
+
+module.exports.mapIndefinite = function(port, name = 'upnp application') {
 	return new Promise((res, rej) => {
 		client.portMapping({
 			private: port,
 			public: port,
 			ttl: 0,
-			description: 'valnet'
+			description: name
 		}, (err) => {
 			if(err) rej(err);
 			res();
 		});
 	});
-}
+};
+
 module.exports.unmap = function(port) {
 	return new Promise((res, rej) => {
 		client.portUnmapping({
@@ -36,7 +39,8 @@ module.exports.unmap = function(port) {
 			res();
 		});
 	});
-}
+};
+
 module.exports.mappings = function() {
 	return new Promise((res, rej) => {
 		client.getMappings((err, mappings) => {
@@ -44,7 +48,7 @@ module.exports.mappings = function() {
 			res(mappings);
 		});
 	});
-}
+};
 
 
 /*

name-server/index.js

@@ -1,27 +0,0 @@
-(async () => {
-const { config } = require('./../package.json');
-const net = require('net');
-const dns = require('dns');
-const stp = require('../lib/STP');
-const os = require('os');
-const { title } = require('../lib/title');
-const { hri } = require('human-readable-ids');
-const log = require('signale');
-const Keyv = require('keyv');
-const { KeyvFile } = require('keyv-file');
-const kv = new Keyv({
-	store: new KeyvFile({
-		filename: `${os.tmpdir()}/valnet/name-server/data.json`
-	})
-});
-const { Identity } = require('./../lib/Identity');
-title('Name Server');
-
-const identity = new Identity('name-server', 'default');
-
-
-
-
-
-
-})();

package.json

@@ -6,29 +6,34 @@
   "config": {
     "ports": {
       "relay": 5600,
+      "relayEnd": 5699,
       "http": 5700,
       "service": 5000
     },
     "addresses": {
       "relay": "valnet.xyz"
-    }
+    },
+    "endpoints": [
+      "valnet.xyz:5500"
+    ]
   },
   "scripts": {
-    "name-server": "supervisor -w name-server,lib -n exit name-server/index.js",
     "relay": "supervisor -w relay,lib -n exit relay/index.js",
     "relay:service": "supervisor -- relay/service",
-    "client:a": "supervisor -w client,lib -n exit -- client/index.js --profile J2aV59rsIgcdd5k2",
+    "sloc": "find lib -type f | xargs wc -l"
-    "client:b": "supervisor -w client,lib -n exit -- client/index.js --profile LsE8OnVzr1iYrkT0"
   },
   "dependencies": {
+    "bonjour": "^3.5.0",
     "express": "^4.17.1",
     "express-ws": "^4.0.0",
     "font-ascii": "^1.2.1",
+    "fs-extra": "^9.1.0",
     "gradient-string": "^1.2.0",
     "human-readable-ids": "^1.0.4",
     "ip": "^1.1.5",
     "keyv": "^4.0.3",
     "keyv-file": "^0.2.0",
+    "md5": "^2.3.0",
     "nat-upnp": "^1.1.1",
     "nedb": "^1.8.0",
     "node-rsa": "^1.1.1",

relay/index.js

@@ -1,51 +1,16 @@
 (async () => {
 const { title } = require('../lib/title');
-const net = require('net');
+const log = require('signale').scope('RLAY');
-const log = require('signale').scope('relay');
-const { config } = require('../package.json');
 const { Identity } = require('../lib/Identity');
-const stp = require('../lib/STP');
 title('relay', false);
 const identity = await new Identity('relay', 'default');
-const upnp = require('../lib/upnp');
+const Node = require('../lib/node');
+const { config } = require('../lib/config');
+const { ensureDirSync } = require('fs-extra');
+const appdata = require('../lib/appdata');
 
-const clients = [];
+ensureDirSync(`${appdata}/valnet/relay`);
-
+const node = new Node(identity);
-// const client = stp.connect(identity, config.ports.relay, '127.0.0.1');
-
-// upnp.mapIndefinite(5600);
-
-// ==================================== [STP SERVER]
-stp.createServer({
-	identity: identity,
-	port: config.ports.relay
-}, socket => {
-	log.info('secured connection from ' + socket.remoteAddress);
-	clients.push(socket);
-});
-
-function connectNetwork(t = 1000) {
-	if(t > 60000) t /= 2;
-
-	const client = stp.connect({
-		identity,
-		port: config.ports.relay,
-		ip: config.addresses.relay
-	});
-	client.on('ready', () => {
-		log.success('connectd to relay!');
-		t = 500;
-	})
-	client.on('error', e => {
-	});
-	client.on('close', e => {
-		t *= 2;
-		setTimeout(connectNetwork.bind(global, t), t);
-		log.warn('disconnected from relay');
-		log.warn('retrying connection... ' + (t/1000) + 's')
-	});
-}
-connectNetwork();
 
 // ==================================== [EXPRESS]
 const express = require('express');

relay/service.js

@@ -1,5 +1,5 @@
 (async () => {
-const log = require('signale').scope('service');
+const log = require('signale').scope('SRVC');
 const { execSync, spawn } = require('child_process');
 const branch = execSync('git rev-parse --abbrev-ref HEAD').toString().trim();
 let proc;
@@ -12,6 +12,12 @@ const { config } = require('../package.json');
 const express = require('express');
 const app = express();
 
+try {
+	appendLogs('yarn', execSync(`yarn`));
+} catch (e) {
+	appendLogs('failed to yarn install...')
+}
+
 logp('==================================');
 logp('Starting Valnet Node as a Service!');
 logp('Syncing to branch: ' + branch);
@@ -130,14 +136,14 @@ ${docs.map(logItem => logItem.message).join('').replace(/\u001B\[.*?[A-Za-z]/g,
 			</pre>
 			<br><br><br><br><br><br>
 			<script>
-			requestAnimationFrame(_ => {
+			// requestAnimationFrame(_ => {
-				requestAnimationFrame(_ => {
+			// 	requestAnimationFrame(_ => {
-					window.scrollTo(0,document.body.scrollHeight);
+			// 		window.scrollTo(0,document.body.scrollHeight);
-				});
+			// 	});
-			});
+			// });
-			setTimeout(_ => {
+			// setTimeout(_ => {
-				location.reload();
+			// 	location.reload();
-			}, 2000);
+			// }, 2000);
 			</script>
 		</body>
 		</html>

upnp.js

@@ -41,8 +41,6 @@ function searchGateway(timeout, callback) {
   }
   
   var onlistening = function() {
-
-		console.log('listening?')
   
     socket.setBroadcast(socket.fd, true);
     // send a few packets just in case.

yarn.lock

@@ -52,6 +52,10 @@ array-flatten@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
 
+array-flatten@^2.1.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-2.1.2.tgz#24ef80a28c1a893617e2149b0c6d0d788293b099"
+
 array-includes@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/array-includes/-/array-includes-3.1.1.tgz#cdd67e6852bdf9c1215460786732255ed2459348"
@@ -95,6 +99,11 @@ asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
 
+at-least-node@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/at-least-node/-/at-least-node-1.0.0.tgz#602cd4b46e844ad4effc92a8011a3c46e0238dc2"
+  integrity sha512-+q/t7Ekv1EDY2l6Gda6LLiX14rU9TV20Wa3ofeQmwPFZbOMo9DXrLbOjFaaclkXKWidIaopwAObQDqwWtGUjqg==
+
 aws-sign2@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
@@ -134,6 +143,17 @@ body-parser@1.19.0:
     raw-body "2.4.0"
     type-is "~1.6.17"
 
+bonjour@^3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/bonjour/-/bonjour-3.5.0.tgz#8e890a183d8ee9a2393b3844c691a42bcf7bc9f5"
+  dependencies:
+    array-flatten "^2.1.0"
+    deep-equal "^1.0.1"
+    dns-equal "^1.0.0"
+    dns-txt "^2.0.2"
+    multicast-dns "^6.0.1"
+    multicast-dns-service-types "^1.1.0"
+
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -141,6 +161,10 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
+buffer-indexof@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-indexof/-/buffer-indexof-1.1.1.tgz#52fabcc6a606d1a00302802648ef68f639da268c"
+
 bytes@3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
@@ -152,6 +176,13 @@ call-bind@^1.0.0:
     function-bind "^1.1.1"
     get-intrinsic "^1.0.0"
 
+call-bind@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
+  dependencies:
+    function-bind "^1.1.1"
+    get-intrinsic "^1.0.2"
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -175,6 +206,10 @@ chardet@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
 
+charenc@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
+
 cli-cursor@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-3.1.0.tgz#264305a7ae490d1d03bf0c9ba7c925d1753af307"
@@ -253,6 +288,10 @@ core-util-is@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
+crypt@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/crypt/-/crypt-0.0.2.tgz#88d7ff7ec0dfb86f713dc87bbb42d044d3e6c41b"
+
 dashdash@^1.12.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
@@ -271,6 +310,17 @@ debug@^4.1.1:
   dependencies:
     ms "2.1.2"
 
+deep-equal@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.1.1.tgz#b5c98c942ceffaf7cb051e24e1434a25a2e6076a"
+  dependencies:
+    is-arguments "^1.0.4"
+    is-date-object "^1.0.1"
+    is-regex "^1.0.4"
+    object-is "^1.0.1"
+    object-keys "^1.1.1"
+    regexp.prototype.flags "^1.2.0"
+
 define-properties@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
@@ -289,6 +339,23 @@ destroy@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
 
+dns-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/dns-equal/-/dns-equal-1.0.0.tgz#b39e7f1da6eb0a75ba9c17324b34753c47e0654d"
+
+dns-packet@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/dns-packet/-/dns-packet-1.3.1.tgz#12aa426981075be500b910eedcd0b47dd7deda5a"
+  dependencies:
+    ip "^1.1.0"
+    safe-buffer "^5.0.1"
+
+dns-txt@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/dns-txt/-/dns-txt-2.0.2.tgz#b91d806f5d27188e4ab3e7d107d881a1cc4642b6"
+  dependencies:
+    buffer-indexof "^1.0.0"
+
 doctrine@1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
@@ -594,6 +661,16 @@ fs-extra@^4.0.1:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
+fs-extra@^9.1.0:
+  version "9.1.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-9.1.0.tgz#5954460c764a8da2094ba3554bf839e6b9a7c86d"
+  integrity sha512-hcg3ZmepS30/7BSFqRvoo3DOMQu7IjqxO5nCDt+zM9XWjb33Wg7ziNT+Qvqbuc3+gWpzO02JubVyk2G4Zvo1OQ==
+  dependencies:
+    at-least-node "^1.0.0"
+    graceful-fs "^4.2.0"
+    jsonfile "^6.0.1"
+    universalify "^2.0.0"
+
 function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
@@ -610,6 +687,14 @@ get-intrinsic@^1.0.0:
     has "^1.0.3"
     has-symbols "^1.0.1"
 
+get-intrinsic@^1.0.2:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.1.1.tgz#15f59f376f855c446963948f0d24cd3637b4abc6"
+  dependencies:
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
@@ -620,6 +705,11 @@ graceful-fs@^4.1.2, graceful-fs@^4.1.6:
   version "4.2.4"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
 
+graceful-fs@^4.2.0:
+  version "4.2.6"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.6.tgz#ff040b2b0853b23c3d31027523706f1885d76bee"
+  integrity sha512-nTnJ528pbqxYanhpDYsi4Rd8MAeaBA67+RZ10CM1m3bTAVFEDcd5AuA4a6W5YkGZ1iNXHzZz8T6TBKLeBuNriQ==
+
 gradient-string@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/gradient-string/-/gradient-string-1.2.0.tgz#93f39f2c7c8dcb095608c2ccf0aac24aa315fbac"
@@ -734,7 +824,7 @@ inquirer@^7.0.0:
     strip-ansi "^6.0.0"
     through "^2.3.6"
 
-ip@^1.1.4, ip@^1.1.5:
+ip@^1.1.0, ip@^1.1.4, ip@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/ip/-/ip-1.1.5.tgz#bdded70114290828c0a039e72ef25f5aaec4354a"
 
@@ -742,10 +832,20 @@ ipaddr.js@1.9.1:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz#bff38543eeb8984825079ff3a2a8e6cbd46781b3"
 
+is-arguments@^1.0.4:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-arguments/-/is-arguments-1.1.0.tgz#62353031dfbee07ceb34656a6bde59efecae8dd9"
+  dependencies:
+    call-bind "^1.0.0"
+
 is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
 
+is-buffer@~1.1.6:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
+
 is-callable@^1.1.4, is-callable@^1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.2.tgz#c7c6715cd22d4ddb48d3e19970223aceabb080d9"
@@ -768,6 +868,13 @@ is-negative-zero@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-negative-zero/-/is-negative-zero-2.0.0.tgz#9553b121b0fac28869da9ed459e20c7543788461"
 
+is-regex@^1.0.4:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.2.tgz#81c8ebde4db142f2cf1c53fc86d6a45788266251"
+  dependencies:
+    call-bind "^1.0.2"
+    has-symbols "^1.0.1"
+
 is-regex@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.1.tgz#c6f98aacc546f6cec5468a07b7b153ab564a57b9"
@@ -832,6 +939,15 @@ jsonfile@^4.0.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+jsonfile@^6.0.1:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-6.1.0.tgz#bc55b2634793c679ec6403094eb13698a6ec0aae"
+  integrity sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==
+  dependencies:
+    universalify "^2.0.0"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -900,6 +1016,14 @@ lodash@^4.17.14, lodash@^4.17.19:
   version "4.17.20"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
 
+md5@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/md5/-/md5-2.3.0.tgz#c3da9a6aae3a30b46b7b0c349b87b110dc3bda4f"
+  dependencies:
+    charenc "0.0.2"
+    crypt "0.0.2"
+    is-buffer "~1.1.6"
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -968,6 +1092,17 @@ ms@2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
 
+multicast-dns-service-types@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/multicast-dns-service-types/-/multicast-dns-service-types-1.1.0.tgz#899f11d9686e5e05cb91b35d5f0e63b773cfc901"
+
+multicast-dns@^6.0.1:
+  version "6.2.3"
+  resolved "https://registry.yarnpkg.com/multicast-dns/-/multicast-dns-6.2.3.tgz#a0ec7bd9055c4282f790c3c82f4e28db3b31b229"
+  dependencies:
+    dns-packet "^1.3.1"
+    thunky "^1.0.2"
+
 mute-stream@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"
@@ -1018,6 +1153,13 @@ object-inspect@^1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.8.0.tgz#df807e5ecf53a609cc6bfe93eac3cc7be5b3a9d0"
 
+object-is@^1.0.1:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/object-is/-/object-is-1.1.5.tgz#b9deeaa5fc7f1846a0faecdceec138e5778f53ac"
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+
 object-keys@^1.0.12, object-keys@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
@@ -1191,6 +1333,13 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
+regexp.prototype.flags@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/regexp.prototype.flags/-/regexp.prototype.flags-1.3.1.tgz#7ef352ae8d159e758c0eadca6f8fcb4eef07be26"
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+
 regexpp@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-3.1.0.tgz#206d0ad0a5648cffbdb8ae46438f3dc51c9f78e2"
@@ -1407,6 +1556,10 @@ through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
+thunky@^1.0.2:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/thunky/-/thunky-1.1.0.tgz#5abaf714a9405db0504732bbccd2cedd9ef9537d"
+
 tinycolor2@^1.0.0:
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/tinycolor2/-/tinycolor2-1.4.2.tgz#3f6a4d1071ad07676d7fa472e1fac40a719d8803"
@@ -1477,6 +1630,11 @@ universalify@^0.1.0:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
 
+universalify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-2.0.0.tgz#75a4984efedc4b08975c5aeb73f530d02df25717"
+  integrity sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==
+
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"