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

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;