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verdaccio/lib/plugins/htpasswd/crypt3.js

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JavaScript

/** Node.js Crypt(3) Library
Inspired by (and intended to be compatible with) sendanor/crypt3
see https://github.com/sendanor/node-crypt3
The key difference is the removal of the dependency on the unix crypt(3) function
which is not platform independent, and requires compilation. Instead, a pure
javascript version is used.
*/
var crypt = require('unix-crypt-td-js'),
crypto = require('crypto');
function createSalt(type) {
type = type || 'sha512';
switch (type) {
case 'md5':
return '$1$' + crypto.randomBytes(10).toString('base64');
case 'blowfish':
return '$2a$' + crypto.randomBytes(10).toString('base64');
case 'sha256':
return '$5$' + crypto.randomBytes(10).toString('base64');
case 'sha512':
return '$6$' + crypto.randomBytes(10).toString('base64');
default:
throw new TypeError('Unknown salt type at crypt3.createSalt: ' + type);
}
}
function crypt3(key, salt) {
salt = salt || createSalt();
return crypt(key, salt);
}
/** Crypt(3) password and data encryption.
* @param {string} key user's typed password
* @param {string} salt Optional salt, for example SHA-512 use "$6$salt$".
* @returns {string} A generated hash in format $id$salt$encrypted
* @see https://en.wikipedia.org/wiki/Crypt_(C)
*/
module.exports = crypt3;
/** Create salt
* @param {string} type The type of salt: md5, blowfish (only some linux distros), sha256 or sha512. Default is sha512.
* @returns {string} Generated salt string
*/
module.exports.createSalt = createSalt;