| Server IP : 79.136.114.73 / Your IP : 3.142.52.141 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/local/lib/node_modules/express/node_modules/cookie-signature/ |
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/**
* 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');
}