loopback/lib/models/session.js

56 lines
991 B
JavaScript

/**
* Module Dependencies.
*/
var Model = require('../loopback').Model
, loopback = require('../loopback')
, crypto = require('crypto');
/**
* Default Session properties.
*/
var properties = {
id: {type: String, generated: true},
uid: {type: String},
ttl: {type: Number, ttl: true}
};
/**
* Extends from the built in `loopback.Model` type.
*/
var Session = module.exports = Model.extend('session', properties);
/**
* Create a cryptographically random session id.
*
* @param {Function} callback
*/
Session.createSessionId = function (fn) {
crypto.randomBytes(this.settings.sessionIdLength || 64, function(err, buf) {
if(err) {
fn(err);
} else {
fn(null, buf.toString('base64'));
}
});
}
/*!
* Hook to create session id.
*/
Session.beforeCreate = function (next, data) {
data = data || {};
Session.createSessionId(function (err, id) {
if(err) {
next(err);
} else {
data.id = id;
next();
}
});
}