feat(api): implement FileCheckerAPI class with routes for file analysis

index.js

@@ -1,20 +1,45 @@
-var express = require('express');
-var cors = require('cors');
-require('dotenv').config()
+/* Import modules */
+require('dotenv').config();
+const express = require('express');
+const cors = require('cors');
+const app = express();
 
-var app = express();
+const FileCheckerAPI = require('./scripts/API/main');
 
-app.use(cors());
-app.use('/public', express.static(process.cwd() + '/public'));
+class WebServer {
+	// Basic Configuration
+	static port = process.env.PORT || 3000;
+	
+	/*
+			Initiate the web server. 
+			@param {function} callback - The callback run before activating the server
+	*/
+	constructor(callback) {
+		app.use(cors({ optionsSuccessStatus: 200 })); // some legacy browsers choke on 204
+		// app.use(cors());
+		
+		this.#setDefaults();
+		(callback) ? this[`activity`] = callback() : null;
 
-app.get('/', function (req, res) {
-  res.sendFile(process.cwd() + '/views/index.html');
-});
+		var listener = app.listen(WebServer.port, () => {
+				console.log(`Active on port ${listener.address().port}.`);
+		});
+	}
 
+	/* Configure the default responses for the web server. */
+	#setDefaults() {
+		app.use(WebServer.paths['assets'], express.static(__dirname + WebServer.paths['assets']));
 
+		app.get("/", function (REQUEST, RESPONSE) {
+			RESPONSE.sendFile(__dirname + WebServer[`paths`][`default`]);
+		});
+	}
+	
+	static paths = {
+		"assets": "/public",
+		"default": '/views/index.htm'
+	}
+}
 
+new WebServer(() => {return (new FileCheckerAPI(app))});
 
-const port = process.env.PORT || 3000;
-app.listen(port, function () {
-  console.log('Your app is listening on port ' + port)
-});

scripts/API/main.js

@@ -0,0 +1,41 @@
+const bodyParser = require(`body-parser`);
+const multer = require("multer");
+const fs = require('fs');
+
+const Actions = {
+	'metadata': require(`./actions/metadata`),
+}
+
+const FileCheckerAPI = class API {
+	#paths = {
+		"analyze": ["/api/fileanalyse"]
+	}
+
+	// Constructor for the API class.
+	constructor(INSTANCE) {
+		this[`instance`] = INSTANCE;
+
+		const setConfig = () => {
+			// Set up body-parser and multer. 
+			this[`instance`][`use`](bodyParser[`json`]());
+			this[`instance`][`use`](bodyParser[`urlencoded`]({ extended: true }));
+			const upload = multer({ dest: 'uploads/' });
+			this[`instance`][`use`](upload.single('upfile'));
+		}
+
+		setConfig();
+		this.initRoutes();
+				
+	};
+
+	// Set up the routes for the API. 
+	initRoutes() {
+		this.#paths[`analyze`].forEach((PATH) => {
+			[``, `.jsp`, `.php`, `.asp`, `.html`].forEach((SUFFIX) => {
+				this[`instance`][`post`](PATH + SUFFIX, Actions.metadata.analyze);
+			});
+		});
+	}
+}
+
+module.exports = FileCheckerAPI;