diff options
Diffstat (limited to 'node_modules/cookie-signature/index.js')
-rw-r--r-- | node_modules/cookie-signature/index.js | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/node_modules/cookie-signature/index.js b/node_modules/cookie-signature/index.js deleted file mode 100644 index b8c9463..0000000 --- a/node_modules/cookie-signature/index.js +++ /dev/null @@ -1,51 +0,0 @@ -/** - * 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'); -} |