N.S.Devaraj nsdevaraj

🎯

Focusing

Forget not that the earth delights to feel your bare feet and the winds long to play with your hair - KGibran

nsdevaraj / Ai.md

Created September 10, 2024 14:45

AI vs. Sewing Machines

Socio-Economic Impact Analysis

nsdevaraj / reactail.sh

Created August 13, 2024 10:25

starter

	if ! command -v npx
	then
	echo "npx is required to be installed for this script"
	exit
	fi

	echo "Creating a new project using create-react-app"
	npx create-react-app $1
	cd $1

nsdevaraj / random loop.js

Created August 6, 2024 14:30

Automation

	let randomLoop = 8;
	let parentContainer = document.getElementsByClassName("scrollRegion");

	const getRandomNumber = (min, max) => {
	return Math.floor(Math.random() * (max - min + 1) + min);
	};

	function task(index) {
	if (index >= randomLoop) return;
	let parent = document.getElementsByClassName("scrollRegion")[1];

nsdevaraj / csrf.tsx

Created August 5, 2024 14:13

Prevention of Cross-Site Request Forgery (CSRF) Attacks

	import express from 'express';
	import csrf from 'csurf';
	import cookieParser from 'cookie-parser';

	const app = express();

	app.use(cookieParser());
	app.use(csrf({ cookie: true }));

	app.use((req, res, next) => {

nsdevaraj / app-xss.tsx

Created August 5, 2024 14:11

Prevention of Cross-Site Scripting (XSS) Attacks

	import express from 'express';
	import helmet from 'helmet';

	const app = express();

	// Use helmet to set various HTTP headers
	app.use(helmet());

	// Set a custom Content Security Policy
	app.use(helmet.contentSecurityPolicy({

nsdevaraj / Inject.ts

Created August 5, 2024 14:09

Prevention of Injection Attacks

	import { getRepository } from 'typeorm';
	import { User } from './entity/User';

	async function getUser(username: string): Promise<User \| undefined> {
	const userRepository = getRepository(User);
	return await userRepository.findOne({ where: { username } });
	}

	// Usage
	const user = await getUser(username);

nsdevaraj / session.ts

Created August 5, 2024 14:07

Prevention of the Use of Insecure Session IDs

	import express from 'express';
	import session from 'express-session';
	import crypto from 'crypto';

	const app = express();

	app.use(session({
	secret: 'your-secret-key',
	resave: false,
	saveUninitialized: true,

nsdevaraj / checkPermission.ts

Created August 5, 2024 14:04

Prevention of Authorization Bypass Attacks

	import { Request, Response, NextFunction } from 'express';

	interface User {
	id: string;
	roles: string[];
	}

	function checkPermission(permission: string) {
	return (req: Request, res: Response, next: NextFunction) => {
	const user = req.user as User;

nsdevaraj / AppearanceModeProvider.js

Last active July 17, 2024 08:24

	class AppearanceModeProvider {
	constructor() {
	this.currentMode = 'default';
	}

	setMode(mode) {
	this.currentMode = mode;
	this.applyMode();
	}

nsdevaraj / license.ts

Last active August 27, 2024 01:26


	[LicensePlans.WATERFALL]: {
	TEMPLATE: [
	ETemplateId.WATERFALL_VERTICAL,
	ETemplateId.WATERFALL_HORIZONTAL,
	ETemplateId.WATERFALL_SINGLE_MEASURE_HORIZONTAL,
	ETemplateId.WATERFALL_SINGLE_MEASURE_VERTICAL,
	ETemplateId.COLUMN_WATERFALL_HORIZONTAL,
	ETemplateId.COLUMN_WATERFALL_VERTICAL,
	ETemplateId.PAIRED_WATERFALL_HORIZONTAL,