keygentoolshed/keyGen/data-and-other/addKeyExpirationDate.js

Key generation utilities for cryptographic operations. QUANTUM ENCRYPTION FOLDER UPDATE!!! See its folder for all <3

import fs from 'fs';
import yargs from 'yargs/yargs';
import { hideBin } from 'yargs/helpers';

const argv = yargs(hideBin(process.argv))
    .usage('Usage: $0 --expiration [time] --key [key]')
    .option('expiration', {
        alias: 'ex',
        describe: 'Specify the expiration time (e.g., 1h, 30m)',
        type: 'string',
        demandOption: true 
    })
    .option('key', {
        alias: 'k',
        describe: 'Specify the key to add expiration to',
        type: 'string',
        demandOption: true 
    })
    .help()
    .argv;

function parseExpirationTime(expiration) {
    const regex = /(\d+)([d|h|m])/; 
    const match = expiration.match(regex);
    
    if (!match) {
        throw new Error('Invalid expiration format. Use "1h" for 1 hour or "30m" for 30 minutes.');
    }

    const value = parseInt(match[1], 10);
    const unit = match[2];

    if (unit === 'd') {
      return value * 60 * 60 * 60 * 1000;
    } else if (unit === 'h') {
      return value * 60 * 60 * 1000; 
  } else if (unit === 'm') {
      return value * 60 * 1000; 
  } else {
      throw new Error('Invalid time unit. Use "d" for days, use "h" for hours or "m" for minutes.');
  }
}

function addKeyExpiration(expiration, key) {
    const expirationInMs = parseExpirationTime(expiration);
    const expirationTime = Date.now() + expirationInMs; // Calculate expiration time
    const expirationDate = new Date(expirationTime).toISOString();

    const content = `Key: ${key}\nExpiration date: ${expirationDate}\n\n`;

    fs.appendFile('keyExpirations', content, (err) => {
        if (err) {
            console.error(`Error writing to file: ${err.message}`);
        } else {
            console.log(`Successfully added expiration for key: ${key}, expires at: ${expirationDate}`);
        }
    });
}

function main() {
    const { expiration, key } = argv;
    addKeyExpiration(expiration, key);
}

main();