From e16215f441c2ab6208c37c3b4f6ade85d1863654 Mon Sep 17 00:00:00 2001 From: Devendra Tewari Date: Wed, 21 Jun 2017 09:29:09 -0300 Subject: [PATCH] Fix eslint errors --- .eslintrc.json | 16 + README.md | 2 +- index.js | 6 +- package-lock.json | 793 ++++++++++++++++++++++++++++++++++++++++++++ package.json | 17 +- relay-client-cli.js | 10 +- relay-client.js | 55 +-- relay-server-cli.js | 13 +- relay-server.js | 53 +-- 9 files changed, 894 insertions(+), 71 deletions(-) create mode 100644 .eslintrc.json create mode 100644 package-lock.json diff --git a/.eslintrc.json b/.eslintrc.json new file mode 100644 index 0000000..93c8cf6 --- /dev/null +++ b/.eslintrc.json @@ -0,0 +1,16 @@ +{ + "plugins": [ + "security" + ], + "extends": [ + "google", + "plugin:security/recommended" + ], + "rules": { + "quotes": "off", + "require-jsdoc": "off", + "no-var": "off", + "guard-for-in": "off", + "comma-dangle": "off" + } +} \ No newline at end of file diff --git a/README.md b/README.md index 82061db..f1d0e88 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,4 @@ -# node-tcp-relay +# node-tcp-relay [![Codacy Badge](https://api.codacy.com/project/badge/Grade/afcfc0a48b6b408c9c193fb72776c831)](https://www.codacy.com/app/tewarid/node-tcp-relay?utm_source=github.com&utm_medium=referral&utm_content=tewarid/node-tcp-relay&utm_campaign=Badge_Grade) This TCP relay/reverse proxy can be used to expose any TCP/IP service running behind a NAT. This includes services that use HTTP and SSH. diff --git a/index.js b/index.js index 2f9ca03..7a6e274 100644 --- a/index.js +++ b/index.js @@ -1,4 +1,4 @@ -var relayClient = require("./relay-client") -var relayServer = require("./relay-server") +var relayClient = require("./relay-client"); +var relayServer = require("./relay-server"); exports.createRelayClient = relayClient.createRelayClient; -exports.createRelayServer = relayServer.createRelayServer; \ No newline at end of file +exports.createRelayServer = relayServer.createRelayServer; diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..b9e980f --- /dev/null +++ b/package-lock.json @@ -0,0 +1,793 @@ +{ + "name": "node-tcp-relay", + "version": "0.0.10", + "lockfileVersion": 1, + "dependencies": { + "acorn": { + "version": "5.0.3", + "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.0.3.tgz", + "integrity": "sha1-xGDfCEkUY/AozLguqzcwvwEIez0=", + "dev": true + }, + "acorn-jsx": { + "version": 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"./relay-server-cli.js" }, "dependencies": { - "optimist": "latest" + "optimist": "^0.6.1" + }, + "devDependencies": { + "eslint": "^4.0.0", + "eslint-config-google": "^0.8.0", + "eslint-plugin-security": "^1.4.0" } } diff --git a/relay-client-cli.js b/relay-client-cli.js index 022083d..2a1fcad 100644 --- a/relay-client-cli.js +++ b/relay-client-cli.js @@ -1,6 +1,8 @@ #!/usr/bin/env node var argv = require("optimist") - .usage('Usage: $0 --host [host] --port [port] --relayHost [host] --relayPort [port] [--numConn [count]] [--secret [key]] [--tls] [--rejectUnauthorized]') + .usage("Usage: $0 --host [host] --port [port] --relayHost [host]" + + " --relayPort [port] [--numConn [count]] [--secret [key]] [--tls]" + + " [--rejectUnauthorized]") .demand(['host', 'port', 'relayHost', 'relayPort']) .default('numConn', 1) .default('tls', false) @@ -14,12 +16,12 @@ var options = { rejectUnauthorized: argv.rejectUnauthorized }; -var relayClient = require("./relay-client.js") +var relayClient = require("./relay-client.js"); -var newRelayClient = relayClient.createRelayClient(argv.host, argv.port, +var newRelayClient = relayClient.createRelayClient(argv.host, argv.port, argv.relayHost, argv.relayPort, options); -process.on("uncaughtException", function (err) { +process.on("uncaughtException", function(err) { console.log(err); }); diff --git a/relay-client.js b/relay-client.js index def6cd0..7e10540 100644 --- a/relay-client.js +++ b/relay-client.js @@ -1,13 +1,14 @@ var util = require("util"); var EventEmitter = require("events").EventEmitter; var net = require("net"); -const tls = require('tls'); +var tls = require('tls'); module.exports = { - createRelayClient: function createRelayClient(host, port, relayHost, relayPort, numConn) { + createRelayClient: function createRelayClient(host, port, relayHost, + relayPort, numConn) { return new RelayClient(host, port, relayHost, relayPort, numConn); } -} +}; function RelayClient(host, port, relayHost, relayPort, options) { this.host = host; @@ -20,19 +21,20 @@ function RelayClient(host, port, relayHost, relayPort, options) { this.numConn = options.numConn; this.options = options; } - this.clients = new Array(); + this.clients = []; for (var i = 0; i < this.numConn; i++) { - this.clients[this.clients.length] = + this.clients[this.clients.length] = this.createClient(host, port, relayHost, relayPort, options); } } -RelayClient.prototype.createClient = function(host, port, relayHost, relayPort, options) { +RelayClient.prototype.createClient = function(host, port, relayHost, +relayPort, options) { var relayClient = this; var client = new Client(host, port, relayHost, relayPort, options); client.on("pair", function() { - relayClient.clients[relayClient.clients.length] = + relayClient.clients[relayClient.clients.length] = relayClient.createClient(host, port, relayHost, relayPort, options); }); client.on("close", function() { @@ -40,22 +42,23 @@ RelayClient.prototype.createClient = function(host, port, relayHost, relayPort, if (i != -1) { relayClient.clients.splice(i, 1); } - setTimeout(function () { + setTimeout(function() { if (relayClient.endCalled) return; - relayClient.clients[relayClient.clients.length] = - relayClient.createClient(host, port, relayHost, relayPort, options); + relayClient.clients[relayClient.clients.length] = + relayClient.createClient(host, port, relayHost, relayPort, + options); }, 5000); }); return client; -} +}; -RelayClient.prototype.end = function () { +RelayClient.prototype.end = function() { this.endCalled = true; for (var i = 0; i < this.clients.length; i++) { this.clients[i].removeAllListeners(); this.clients[i].relaySocket.destroy(); } -} +}; util.inherits(Client, EventEmitter); @@ -63,22 +66,22 @@ function Client(host, port, relayHost, relayPort, options) { this.options = options; this.serviceSocket = undefined; this.bufferData = true; - this.buffer = new Array(); - + this.buffer = []; + var client = this; if (client.options.tls) { client.relaySocket = tls.connect(relayPort, relayHost, { rejectUnauthorized: client.options.rejectUnauthorized - }, function () { + }, function() { client.authorize(); }); } else { client.relaySocket = new net.Socket(); - client.relaySocket.connect(relayPort, relayHost, function () { + client.relaySocket.connect(relayPort, relayHost, function() { client.authorize(); }); } - client.relaySocket.on("data", function (data) { + client.relaySocket.on("data", function(data) { if (client.serviceSocket == undefined) { client.emit("pair"); client.createServiceSocket(host, port); @@ -89,14 +92,14 @@ function Client(host, port, relayHost, relayPort, options) { client.serviceSocket.write(data); } }); - client.relaySocket.on("close", function (had_error) { + client.relaySocket.on("close", function(hadError) { if (client.serviceSocket != undefined) { client.serviceSocket.destroy(); } else { client.emit("close"); } }); - client.relaySocket.on("error", function (error) { + client.relaySocket.on("error", function(error) { }); } @@ -104,12 +107,12 @@ Client.prototype.authorize = function() { if (this.options.secret) { this.relaySocket.write(this.options.secret); } -} +}; -Client.prototype.createServiceSocket = function (host, port) { +Client.prototype.createServiceSocket = function(host, port) { var client = this; client.serviceSocket = new net.Socket(); - client.serviceSocket.connect(port, host, function () { + client.serviceSocket.connect(port, host, function() { client.bufferData = false; if (client.buffer.length > 0) { for (var i = 0; i < client.buffer.length; i++) { @@ -118,13 +121,13 @@ Client.prototype.createServiceSocket = function (host, port) { client.buffer.length = 0; } }); - client.serviceSocket.on("data", function (data) { + client.serviceSocket.on("data", function(data) { try { client.relaySocket.write(data); } catch (ex) { } }); - client.serviceSocket.on("error", function (had_error) { + client.serviceSocket.on("error", function(hadError) { client.relaySocket.end(); }); -} \ No newline at end of file +}; diff --git a/relay-server-cli.js b/relay-server-cli.js index 55de6ec..4faa3ca 100644 --- a/relay-server-cli.js +++ b/relay-server-cli.js @@ -1,6 +1,8 @@ #!/usr/bin/env node var argv = require("optimist") - .usage('Usage: $0 --relayPort [port] --servicePort [port] [--hostname [IP]] [--secret [key]] [--tls] [--pfx [file]] [--passphrase [passphrase]]') + .usage("Usage: $0 --relayPort [port] --servicePort [port]" + + " [--hostname [IP]] [--secret [key]] [--tls] [--pfx [file]]" + + " [--passphrase [passphrase]]") .demand(['relayPort', 'servicePort']) .string('secret') .default('tls', false) @@ -20,12 +22,13 @@ var options = { var relayServer = require("./relay-server.js"); -var newRelayServer = relayServer.createRelayServer(argv.relayPort, argv.servicePort, options); +var newRelayServer = relayServer.createRelayServer(argv.relayPort, +argv.servicePort, options); -process.on("uncaughtException", function (err) { +process.on("uncaughtException", function(err) { console.log(err); }); process.on("SIGINT", function() { - newRelayServer.end(); -}); \ No newline at end of file + newRelayServer.end(); +}); diff --git a/relay-server.js b/relay-server.js index 68b679c..41120dd 100644 --- a/relay-server.js +++ b/relay-server.js @@ -1,15 +1,14 @@ var util = require("util"); var EventEmitter = require("events").EventEmitter; var net = require("net"); -var crypto = require("crypto"); -const tls = require('tls'); -const fs = require('fs'); +var tls = require('tls'); +var fs = require('fs'); module.exports = { - createRelayServer: function (relayPort, internetPort, options) { + createRelayServer: function(relayPort, internetPort, options) { return new RelayServer(relayPort, internetPort, options); } -} +}; function RelayServer(relayPort, internetPort, options) { this.options = options || {}; @@ -30,10 +29,10 @@ function RelayServer(relayPort, internetPort, options) { }); var server = this; - this.relayListener.on("new", function (client) { + this.relayListener.on("new", function(client) { server.internetListener.pair(server.relayListener, client); }); - this.internetListener.on("new", function (client) { + this.internetListener.on("new", function(client) { server.relayListener.pair(server.internetListener, client); }); } @@ -41,15 +40,15 @@ function RelayServer(relayPort, internetPort, options) { RelayServer.prototype.end = function() { this.relayListener.end(); this.internetListener.end(); -} +}; util.inherits(Listener, EventEmitter); function Listener(port, options) { this.port = port; this.options = options || {}; - this.pending = new Array(); - this.active = new Array(); + this.pending = []; + this.active = []; var listener = this; if (listener.options.tls) { @@ -67,7 +66,7 @@ function Listener(port, options) { } } -Listener.prototype.createClient = function (socket) { +Listener.prototype.createClient = function(socket) { var listener = this; var client = new Client(socket, { secret: listener.options.secret, @@ -80,8 +79,9 @@ Listener.prototype.createClient = function (socket) { listener.pending.splice(i, 1); } else { i = listener.active.indexOf(client); - if (i != -1) + if (i != -1) { listener.active.splice(i, 1); + } } }); if (listener.options.secret) { @@ -91,11 +91,11 @@ Listener.prototype.createClient = function (socket) { } else { listener.emit("new", client); } -} +}; Listener.prototype.end = function() { this.server.close(); - for(var i = 0; i < this.pending.length; i++) { + for (var i = 0; i < this.pending.length; i++) { var client = this.pending[i]; client.socket.destroy(); } @@ -104,9 +104,9 @@ Listener.prototype.end = function() { client.socket.destroy(); } this.server.unref(); -} +}; -Listener.prototype.pair = function (other, client) { +Listener.prototype.pair = function(other, client) { if (this.pending.length > 0) { var thisClient = this.pending[0]; this.pending.splice(0, 1); @@ -119,7 +119,7 @@ Listener.prototype.pair = function (other, client) { } else { other.pending.push(client); } -} +}; util.inherits(Client, EventEmitter); @@ -127,13 +127,13 @@ function Client(socket, options) { this.socket = socket; this.options = options || {}; if (options.bufferData) { - this.buffer = new Array(); + this.buffer = []; } this.pairedSocket = undefined; this.timeout(); var client = this; - client.socket.on("data", function (data) { + client.socket.on("data", function(data) { if (client.options.bufferData) { client.buffer[client.buffer.length] = data; client.authorize(); @@ -143,8 +143,8 @@ function Client(socket, options) { client.pairedSocket.write(data); } catch (ex) { } - }); - socket.on("close", function (had_error) { + }); + socket.on("close", function(hadError) { if (client.pairedSocket != undefined) { client.pairedSocket.destroy(); } @@ -157,27 +157,28 @@ Client.prototype.timeout = function() { if (!client.options.timeout) { return; } - setTimeout(function () { + setTimeout(function() { if (client.options.bufferData) { client.socket.destroy(); client.emit("close"); } }, client.options.timeout); -} +}; Client.prototype.authorize = function() { var client = this; if (client.options.secret) { var keyLen = client.options.secret.length; if (client.buffer[0].length >= keyLen - && client.buffer[0].toString(undefined, 0, keyLen) === client.options.secret) { + && client.buffer[0].toString(undefined, 0, keyLen) + === client.options.secret) { client.buffer[0] = client.buffer[0].slice(keyLen); client.emit("authorized"); } else { client.socket.destroy(); } } -} +}; Client.prototype.writeBuffer = function() { if (this.options.bufferData && this.buffer.length > 0) { @@ -190,4 +191,4 @@ Client.prototype.writeBuffer = function() { this.buffer.length = 0; } this.options.bufferData = false; -} \ No newline at end of file +};