From: ebelcrom Date: Sat, 2 Nov 2019 22:15:53 +0000 (+0100) Subject: source added X-Git-Url: http://www.binomiant.duckdns.org/9wAuyR5S/?a=commitdiff_plain;h=f0cb0e0ef2a4b6dab53b471f011bfc1c7978894c;p=revprox.git source added --- diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3c3629e --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +node_modules diff --git a/README.md b/README.md index 0655993..cd8d241 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,6 @@ -# revprox.git +# revprox -description.... +revprox is a reverse proxy running on node.js using socket.io and socket.io-stream. ## Getting started @@ -9,4 +9,10 @@ machine. ### Installing -installing instuctions... +Get the project using git: + +``` +git clone https://binomiant.duckdns.org/MpqU9XX8/revprox.git +``` + +... diff --git a/client/revprox b/client/revprox new file mode 100755 index 0000000..9b31761 --- /dev/null +++ b/client/revprox @@ -0,0 +1,36 @@ +#!/usr/bin/nodejs + +const io = require("socket.io-client"); +const ss = require('socket.io-stream'); +const net = require('net'); +const log = require('./../logger')(__filename.slice(__dirname.length + 1)); + +const proxydestination = { host: "localhost", port: 3000 }; +const remoteserver = 'http://192.168.1.3:8088'; +const socket = io(remoteserver, { transports:["websocket"] }); + +socket.on('servereventtest', function (data) { + log.info('connection test succeeded'); + socket.emit('clienteventtest', { data: 'clienteventtestdata' }); +}); + +ss(socket).on('proxy', function(stream, data) { + log.info("stream created"); + + var client = net.connect(proxydestination, function() { + log.info('connected to garnod web server'); + stream.pipe(client); + client.pipe(stream); + }); + + client.on('end', function() { + log.info('disconnected from garnod web server'); + stream.unpipe(client); + client.unpipe(stream); + }); + + client.on('error', function(err) { + log.error('web socket error:', JSON.stringify(err)); + socket.emit('destinationerror', err); + }); +}); diff --git a/logger.js b/logger.js new file mode 100644 index 0000000..c8b145b --- /dev/null +++ b/logger.js @@ -0,0 +1,67 @@ +const winston = require("winston"); +const dateformat = require("dateformat"); + +const custom = { + levels: { + error: 5, + warn: 4, + info: 3, + todo: 2, + verbose: 1, + debug: 0 + }, + colors: { + error: 'red', + warn: 'yellow', + info: 'green', + todo: 'magenta', + verbose: 'blue', + debug: 'gray' + } +}; + +var level = "error"; +if (typeof process.env.LOGLEVEL != "undefined") { + level = process.env.LOGLEVEL; +}; + +winston.addColors(custom.colors); + +const logger = new (winston.Logger) ({ + levels: custom.levels, + transports: [ + new (winston.transports.Console) ({ + level: level, +// timestamp() { +// var now = new Date(); +// return dateformat(now, "HH:MM:ss.l"); +// }, + colorize: true + }) + ] +}); + +module.exports = function(fileName) { + var myLogger = { + error: function(...args) { + logger.error('[' + fileName + ']', ...args); + }, + warn: function(...args) { + logger.warn('[' + fileName + ']', ...args); + }, + info: function(...args) { + logger.info('[' + fileName + ']', ...args); + }, + todo: function(...args) { + logger.todo('[' + fileName + ']', ...args); + }, + verbose: function(...args) { + logger.verbose('[' + fileName + ']', ...args); + }, + debug: function(...args) { + logger.debug('[' + fileName + ']', ...args); + }, + } + + return myLogger +} diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..cd01d00 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,733 @@ +{ + "name": "revprox", + "version": "1.0.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "accepts": { + "version": "1.3.7", + "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz", + "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==", + "requires": { + "mime-types": 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"description": "A reverse proxy server and client.", + "scripts": { + "start": "echo see README.md to either run server or client" + }, + "author": "ebelcrom", + "license": "GPL-2.0-or-later", + "dependencies": { + "dateformat": "^1.0.11", + "socket.io": "^2.3.0", + "socket.io-stream": "^0.9.1", + "winston": "^1.1.2" + } +} diff --git a/server/revprox b/server/revprox new file mode 100755 index 0000000..acd5935 --- /dev/null +++ b/server/revprox @@ -0,0 +1,85 @@ +#!/usr/bin/nodejs + +const app = require('http').createServer(); +const io = require('socket.io')(app); +const ss = require('socket.io-stream'); +const net = require('net'); +const log = require('./../logger')(__filename.slice(__dirname.length + 1)); + +var lastsocket = null; +var websocket = null; +const socketioport = 8087; +const revproxport = 8089; + +app.listen(socketioport, 'localhost'); +log.info('socket.io server bound to port ' + socketioport); + +io.on('connection', function (iosocket) { + lastsocket = iosocket; + log.info('socket.io client connected'); + iosocket.emit('servereventtest', { data: 'servereventtestdata' }); + + iosocket.on('disconnect', function () { + log.info("socket.io client disconnected"); + lastsocket = null; + }) + + iosocket.on('clienteventtest', function (data) { + log.info('socket.io client connection test succeeded'); + }); + + iosocket.on('destinationerror', function (err) { + if (websocket != null) { + log.warn('destination error, closing web socket'); + websocket.end(); + } + }); + + iosocket.on('error', function (err) { + log.error('socket.io error:', JSON.stringify(err)); + }); +}); + +var server = net.createServer(function(sock) { + log.info('web client connected'); + websocket = sock; + + if (null != lastsocket) { + var stream = ss.createStream(); + ss(lastsocket).emit('proxy', stream); + log.debug('stream created'); + + websocket.on('error', function(err) { + log.error('web socket error:', JSON.stringify(err)); + }) + .on('data', function(data) { + log.debug('web socket data, port ' + websocket.remotePort + ', size: ' + data.length); + }) + .on('end', function() { + websocket.unpipe(stream); + stream.unpipe(websocket); + websocket = null; + log.info('web client disconnect'); + }); + + stream.on('error', function() { + log.error('stream error, id ' + stream.id); + }) + .on('data', function(data) { + log.debug('stream data, id ' + stream.id + ', size: ' + data.length); + }) + .on('end', function() { + log.debug('stream destroyed'); + }); + + websocket.pipe(stream); + stream.pipe(websocket); + } else { + log.warn('web client connection refused due to missing socket.io connection'); + websocket.end(); + } +}); + +server.listen(revproxport, 'localhost', function() { + log.info('reverse proxy bound to port ' + revproxport); +});