Initial push 0.2.0
This commit is contained in:
Alex Rennie-Lis
178
code/index.js
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178
code/index.js
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// Baseline
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const product = 'NetRadius';
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const version = '0.2.0';
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// Load dependencies
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const dgram = require ('dgram');
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const fs = require ('fs');
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const http = require ('http');
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// Load modules
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log = require ('./lib/logger.js');
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const handlers = require ('./lib/handlers.js');
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// Load configuration
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log.write (product + ' v' + version);
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config = {};
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try {
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config = JSON.parse (fs.readFileSync ('./config.json').toString ());
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}
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catch (error) {
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log.write ('Cannot open or read configuration file.');
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log.write ('Using defaults');
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config = {
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ports: {
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radius_authentication: 1812,
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radius_accounting: 1813
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},
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storage: "json:./data.json",
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client_secret: "password",
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default_vlan_enabled: false
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}
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}
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if (process.env['NETRADIUS_PORT_RADIUS_AUTH']) config.ports.radius_authentication = process.env['NETRADIUS_PORT_RADIUS_AUTH'];
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if (process.env['NETRADIUS_PORT_RADIUS_ACCT']) config.ports.radius_accounting = process.env['NETRADIUS_PORT_RADIUS_ACCT'];
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if (process.env['NETRADIUS_STORAGE']) config.storage = process.env['NETRADIUS_STORAGE'];
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if (process.env['NETRADIUS_DEFAULT_VLAN']) config.default_vlan_enabled = process.env['NETRADIUS_DEFAULT_VLAN'];
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if (process.env['NETRADIUS_DEFAULT_VLAN_ID']) config.default_vlan_id = process.env['NETRADIUS_DEFAULT_VLAN_ID'];
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if (process.env['NETRADIUS_CLIENT_SECRET']) config.client_secret = process.env['NETRADIUS_CLIENT_SECRET'];
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log.write ('Using configuration: ' + JSON.stringify (config));
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// Listeners
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var listeners = {
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authentication: {
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socket: dgram.createSocket ({ type: 'udp4', reuseAddr: true }),
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handler: handlers.radius.authentication
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},
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accounting: {
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socket: dgram.createSocket ({ type: 'udp4', reuseAddr: true }),
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handler: handlers.radius.accounting
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}
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};
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// RADIUS authentication
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listeners.authentication.socket.on ('message', (msg, rinfo) => {
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handlers.radius.authentication (msg, rinfo, (response, err) => {
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if (!err) {
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listeners.authentication.socket.send (response, 0, response.length, rinfo.port, rinfo.address, function (err, bytes) {
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if (err) {
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console.log ('Error sending response to ', rinfo);
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}
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});
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}
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});
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});
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listeners.authentication.socket.on ('listening', () => {
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var address = listeners.authentication.socket.address ();
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log.write ("Authentication listening on " + address.address + ":" + address.port);
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});
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listeners.authentication.socket.bind (config.ports.radius_authentication);
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// RADIUS accounting
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listeners.accounting.socket.on ('message', (msg, rinfo) => {
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handlers.radius.accounting (msg, rinfo, (response, err) => {
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if (!err) {
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listeners.accounting.socket.send (response, 0, response.length, rinfo.port, rinfo.address, function (err, bytes) {
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if (err) {
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console.log ('Error sending response to ', rinfo);
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}
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});
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}
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});
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});
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listeners.accounting.socket.on ('listening', () => {
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var address = listeners.accounting.socket.address ();
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log.write ("Accounting listening on " + address.address + ":" + address.port);
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});
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listeners.accounting.socket.bind (config.ports.radius_accounting);
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// HTTP listener
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http.createServer(function (req, res) {
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var url = req.url.substring (0, req.url.lastIndexOf ("/")) || req.url;
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var endpoint = req.method + " " + url;
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switch (endpoint) {
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case "GET /health":
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res.write ('OK\n\n');
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res.statusCode = 200;
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res.end ();
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break;
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case "POST /user":
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var payload = '';
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req.on ('data', chunk => {
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payload += chunk.toString ();
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});
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req.on ('end', () => {
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handlers.user.create (payload, (status, err) => {
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if (err) {
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res.write ('Error\n');
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res.statusCode = 500;
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res.end ();
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}
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else {
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res.write (status);
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res.statusCode = 200;
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res.end ();
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}
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});
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});
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break;
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case "UPDATE /user":
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var payload = '';
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req.on ('data', chunk => {
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payload += chunk.toString ();
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});
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req.on ('end', () => {
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handlers.user.update (payload, (status, err) => {
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if (err) {
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res.write ('Error\n');
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res.statusCode = 500;
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res.end ();
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}
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else {
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res.write (status);
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res.statusCode = 200;
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res.end ();
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}
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});
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});
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break;
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case "DELETE /user":
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handlers.user.delete (req.url.substring (req.url.lastIndexOf ("/") + 1), (status, err) => {
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if (err) {
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res.write ('Error\n');
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res.statusCode = 500;
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res.end ();
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}
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else {
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res.write (status);
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res.statusCode = 200;
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res.end ();
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}
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});
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break;
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default:
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res.write ('Not found\n');
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res.statusCode = 404;
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res.end ();
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}
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}).listen (8080);
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// Exit handles
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const exitHandler = () => {
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log.write ('Shutting down');
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listeners.authentication.socket.close ();
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listeners.accounting.socket.close ();
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log.write ('Exiting');
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process.exit ();
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}
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process.on ('SIGTERM', exitHandler);
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process.on ('SIGINT', exitHandler);
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process.on ('SIGUSR1', exitHandler);
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process.on ('SIGUSR2', exitHandler);
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