connect or express user auth abstraction layer middleware.
$ npm install userauth --saveuserauth is dependent on connect.session() and connect.query().
var connect = require('connect');
var userauth = require('userauth');
var app = connect(
connect.cookieParser(),
connect.session({
secret: 'i m secret'
}),
connect.query(),
// /user* all these urls must login first
userauth(/^\/user/i, {
// auth system login url
loginURLForamter: function (url) {
return 'http://login.demo.com/login?redirect=' + url;
},
// login callback and getUser info handler
getUser: function (req, callback) {
var token = req.query.token;
proxy.checkToken(token, function (err, info) {
if (err) {
return callback(err);
}
callback(null, info);
});
},
})
);/**
* User auth middleware.
*
* @param {Regex|Function(pathname, req)} match, detect which url need to check user auth.
* @param {Object} [options]
* - {Function(url, rootPath)} loginURLForamter, format the login url.
* - {String} [rootPath], custom app url root path, default is '/'.
* - {String} [loginPath], default is '/login'.
* - {String} [loginCallbackPath], default is `options.loginPath + '/callback'`.
* - {String} [logoutPath], default is '/logout'.
* - {String} [userField], logined user field name on `req.session`, default is 'user', `req.session.user`.
* - {Function(req, callback)} getUser, get user function, must get user info with `req`.
* - {Function(req, user, callback)} [loginCallback], you can handle user login logic here.
* - {Function(err, user, redirectURL)} callback
* - {Function(req)} [loginCheck], return true meaning logined. default is `true`.
* - {Function(req, res, user, callback)} [logoutCallback], you can handle user logout logic here.
* - {Function(err, redirectURL)} callback
* @return {Function(req, res, next)} userauth middleware
* @public
*/
function userauth(match, options);/**
* login flow:
*
* 1. unauth user, redirect to `$loginPath?redirect=$currentURL`
* 2. user visit `$loginPath`, redirect to `options.loginURLForamter()` return login url.
* 3. user visit $loginCallbackPath, handler login callback logic.
* 4. If user login callback check success, will set `req.session[userField]`,
* and redirect to `$currentURL`.
* 5. If login check callback error, next(err).
* 6. user visit `$logoutPath`, set `req.session[userField] = null`, and redirect back.
*/(The MIT License)
Copyright (c) 2012 - 2014 fengmk2 fengmk2@gmail.com other contributors.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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