Initial commit
This commit is contained in:
Arnaud Nelissen
165
app.js
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165
app.js
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const assert = require('assert');
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const moment = require('moment');
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const cbor = require('cbor');
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const express = require('express');
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const fs = require('fs');
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const http = require('http');
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const https = require('https');
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const certificate = fs.readFileSync(process.env.CLIENT_CRT || 'cert/client.crt', 'utf8');
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const privateKey = fs.readFileSync(process.env.CLIENT_KEY || 'cert/client.key', 'utf8');
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const credentials = {
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key: privateKey,
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cert: certificate,
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minVersion: process.env.MIN_TLS_VERSION || "TLSv1.1"
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};
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const dbcontroller = require('./db');
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const routes = require('./routes')
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const app = express();
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const http_port = parseInt(process.env.HTTP_PORT, 10) || 80;
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const https_port = parseInt(process.env.HTTPS_PORT, 10) || 443;
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const environment = process.env.CONFIGURATION || 'develop';
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const httpServer = http.createServer(app);
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const httpsServer = https.createServer(credentials, app);
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///// Splashscreen
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console.log(' _ __ __ _ ');
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console.log(' / | / /___ / /(_)_____ _____ ___ ____ ');
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console.log(' / |/ // _ \\ / // // ___// ___// _ \\ / __ \\');
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console.log(' / /| // __// // /(__ )(__ )/ __// / / /');
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console.log('/_/ |_/ \\___//_//_//____//____/ \\___//_/ /_/ ');
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console.log(' ');
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console.log(' T E C H N O L O G I E S');
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console.log('');
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console.log('');
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///// Startup MongoDB Client
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dbcontroller.init()
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.then((err) => {
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if (err) { console.log('Unable to connect to database'); }
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else {
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console.log('-------------------------------------------------------');
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console.log(Date().toString());
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console.log('MongoDB Client initialized');
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console.log('-------------------------------------------------------');
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///// Startup HTTP Server
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httpServer.listen(http_port, () => {
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console.log('-------------------------------------------------------');
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console.log(`Server listening at http://localhost:${http_port}`);
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console.log('Environment: ' + environment);
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console.log('HTTP Port: ' + http_port);
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console.log('-------------------------------------------------------');
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});
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///// Startup HTTPS Server
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httpsServer.listen(https_port, () => {
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console.log('-------------------------------------------------------');
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console.log(`Server listening at https://localhost:${https_port}`);
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console.log('Environment: ' + environment);
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console.log('HTTPS Port: ' + https_port);
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console.log('-------------------------------------------------------');
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});
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}
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})
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app.use(express.json());
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app.use(express.raw({ type: 'application/cbor' }));
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app.use(express.urlencoded({ extended: true }));
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app.use(function (req, res, next) {
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// Log request
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console.log('-------------------------------------------------------');
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console.log(req.method + ' ' + req.url + ' from ' + req.ip);
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next();
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});
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app.use(function (req, res, next) {
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if (!req.body.length) {
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// No body
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//////////
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console.log('Got empty frame');
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///// Next handler
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next();
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} else if (req.is('application/cbor')) {
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// CBOR frame
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/////////////
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console.log('Got CBOR frame');
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console.log('Encoded:');
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console.log(req.body.toString('hex'))
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///// Decode CBOR body
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cbor.decodeFirst(req.body, (err, decoded) => {
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///// Assign decoded data
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req.body = decoded;
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///// Next handler
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console.log('Decoded:');
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console.log(req.body)
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next();
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});
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} else {
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// JSON frame
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/////////////
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console.log('Got JSON frame');
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console.log(req.body)
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///// Next handler
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next();
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}
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});
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app.use(function (req, res, next) {
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var length = 0;
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var send = res.send;
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/////////////////////////
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// Redefine send function
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res.send = function (body) {
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if (req.is('application/cbor') || req.acceptsEncodings("application/cbor") || req.acceptsEncodings("cbor")) {
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// CBOR Frame
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/////////////
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console.log('Send CBOR frame');
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console.log('Decoded:');
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console.log(body)
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///// Set header
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res.set('Content-Type', 'application/cbor');
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length = JSON.stringify(body).length;
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///// Convert ' to "
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if (body.data) { body.data = cbor.encode(JSON.parse(body.data.replace(/'/g, '"'))); }
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///// Encode JSON to CBOR
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body = cbor.encode(body);
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// Log statistics
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console.log('Encoded:');
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console.log(body.toString('hex'))
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console.log(length + ' Bytes (JSON) -> ' + body.length + ' Bytes (CBOR) -> ' + Math.round((1 - length / body.length) * 100) + '% reduction');
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}
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///// Send frame
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send.call(this, body);
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};
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///// Next handler
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next();
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});
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app.use(function (req, res, next) {
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// Add formatted-date header
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res.setHeader("Formatted-Date", moment().format());
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next();
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});
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app.use(routes)
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