diffusion/src/node_modules/v4-stack/credential-tunnel.js

Diffusion JavaScript client

/*eslint valid-jsdoc: "off"*/
var BufferOutputStream = require('io/buffer-output-stream');
var BufferInputStream = require('io/buffer-input-stream');

var serialiser = require('services/authentication/credentials-serialiser');

/**
 * Tunnel a V5 credentials object as an encoded string within v4 password.
 * <p>
 * Currently only supports an empty or string password.
 * <p>
 * This implementation encapsulates code from both V4CredentialsTunnel and
 * CredentialsSerialiser in the Java client.
 * 
 * @param {Object} password - The password to tunnel
 * @returns {String} An encoded password
 */
function encodeAsString(password) {
    var bos = new BufferOutputStream();
    
    serialiser.write(bos, password);
    
    return bos.getBase64();
}

/**
 * Unpack V5 credentials from a string.
 * 
 * @param s the string
 * @returns {Object} the v5 credentials
 */
function decodeAsString(s) {
    if (s) {
        var bis = new BufferInputStream(new Buffer(s, 'base64'));
        return serialiser.read(bis);
    } else {
        return null;
    }
}

module.exports = {
    encodeAsString : encodeAsString,
    decodeAsString : decodeAsString
};