react-stock-heatmap/example/encrypt.js

const crypto = require('crypto');
const fs = require('fs');
const path = require('path');

const algorithm = 'aes-256-ctr';
const password = 'skyfffire-password';
const key = crypto.createHash('sha256').update(password).digest();
const iv = crypto.randomBytes(16);

function encryptFile(filePath) {
  console.log(`Encrypting: ${filePath}`);
  const fileContent = fs.readFileSync(filePath);
  const cipher = crypto.createCipheriv(algorithm, key, iv);
  const encrypted = Buffer.concat([cipher.update(fileContent), cipher.final()]);
  fs.writeFileSync(filePath, Buffer.concat([iv, encrypted])); // Store IV with encrypted data
  console.log(`Encrypted: ${filePath}`);
}

function encryptDirectory(directoryPath) {
  const files = fs.readdirSync(directoryPath);
  files.forEach(file => {
    const fullPath = path.join(directoryPath, file);
    console.log(`Processing: ${fullPath}`);
    if (fs.lstatSync(fullPath).isDirectory()) {
      encryptDirectory(fullPath);
    } else {
      encryptFile(fullPath);
    }
  });
}

const directoryToEncrypt = path.join(__dirname, 'build/static');
console.log(`Encrypting directory: ${directoryToEncrypt}`);
encryptDirectory(directoryToEncrypt);
console.log('Encryption completed.');