Software: Apache/2.4.41 (Ubuntu). PHP/8.0.30 

uname -a: Linux apirnd 5.4.0-204-generic #224-Ubuntu SMP Thu Dec 5 13:38:28 UTC 2024 x86_64 

uid=33(www-data) gid=33(www-data) groups=33(www-data) 

Safe-mode: OFF (not secure)

/usr/local/lib/node_modules/rtail/node_modules/cookie-signature/   drwxr-xr-x
Free 13.05 GB of 57.97 GB (22.52%)
                            Encoder    Tools    Proc.    FTP brute    Sec.    SQL    PHP-code    Update    Self remove    Logout    

Viewing file:     index.js (1.2 KB)      -rw-r--r--

/**
 * Module dependencies.
 */

var crypto = require('crypto');

/**
 * Sign the given `val` with `secret`.
 *
 * @param {String} val
 * @param {String} secret
 * @return {String}
 * @api private
 */

exports.sign = function(val, secret){
  if ('string' != typeof val) throw new TypeError("Cookie value must be provided as a string.");
  if ('string' != typeof secret) throw new TypeError("Secret string must be provided.");
  return val + '.' + crypto
    .createHmac('sha256', secret)
    .update(val)
    .digest('base64')
    .replace(/\=+$/, '');
};

/**
 * Unsign and decode the given `val` with `secret`,
 * returning `false` if the signature is invalid.
 *
 * @param {String} val
 * @param {String} secret
 * @return {String|Boolean}
 * @api private
 */

exports.unsign = function(val, secret){
  if ('string' != typeof val) throw new TypeError("Signed cookie string must be provided.");
  if ('string' != typeof secret) throw new TypeError("Secret string must be provided.");
  var str = val.slice(0, val.lastIndexOf('.'))
    , mac = exports.sign(str, secret);
  
  return sha1(mac) == sha1(val) ? str : false;
};

/**
 * Private
 */

function sha1(str){
  return crypto.createHash('sha1').update(str).digest('hex');
}