quantique-converter/Converters/convertTob64.js

Converters for all kind of data

const base64 = require('base-64');
const utf8 = require('utf8');

const convertTob64 = (value, parameters = { purpose: 'enc', dataType: '' }) => {
  if (parameters?.purpose === 'enc') {
    if (parameters?.dataType === 'string') {
      const stringifyValue = JSON.stringify(value);
      const bytes = utf8.encode(stringifyValue);
      const encoded = base64.encode(bytes);
      return {
        isValid: true,
        error: '',
        convertedValue: encoded,
      };
    } else {
      const bytes = utf8.encode(value);
      const encoded = base64.encode(bytes);
      return {
        isValid: true,
        error: '',
        convertedValue: encoded,
      };
    }
  }

  if (parameters?.purpose === 'dec') {
    try {
      const bytes = base64.decode(value);
      const decoded = utf8.decode(bytes);
      if (parameters?.dataType === 'parsed') {
        const parsedDecoded = JSON.parse(decoded);
        return {
          isValid: true,
          error: '',
          convertedValue: parsedDecoded,
        };
      } else {
        return {
          isValid: true,
          error: '',
          convertedValue: decoded,
        };
      }
    } catch (e) {
      return {
        isValid: false,
        error: 'Unable to decrypt',
        convertedValue: null,
      };
    }
  }
};

module.exports = convertTob64;