b64xorCipher.js

const customKey = require("../vars").customKey

const XORCipher = {
    encode: function (data) {
        data = xorStrings(customKey, data);
        return btoa(data);
    },
    decode: function (data) {
        data = atob(data);
        return xorStrings(customKey, data);
    }
};

function xorStrings(key, input) {
  var output = ''
  for(var i =  0; i < input.length; i++) {
    var c = input.charCodeAt(i)
    var k = key.charCodeAt(i % key.length)
    output += String.fromCharCode(c ^ k);
  }
  return output
}

module.exports = XORCipher