find-a-cookie

find-a-cookie.js

// debug script to find a cookie
// Assumption: the cookie value is base64 encoded
function logcookie(cookies, needle) {
  return cookies.split(';')
    .map(function (x) {
        return x.trim().split('=');
    })
    .find(function ([k]) {
        return k === needle;
    })
    .map(function (x) {
        return x.replace(/-/g, '=');
    })
    .map(function (x) {
        try {
            return atob(x);
        } catch (e) {
          console.error(e);
        }
    });
}