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node-red/red/api/auth/index.js

111 lines
3.1 KiB
JavaScript

/**
* Copyright 2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var passport = require("passport");
var oauth2orize = require("oauth2orize");
var strategies = require("./strategies");
var Tokens = require("./tokens");
var Users = require("./users");
var permissions = require("./permissions");
var settings = null;
var log = require("../../log");
passport.use(strategies.bearerStrategy.BearerStrategy);
passport.use(strategies.clientPasswordStrategy.ClientPasswordStrategy);
passport.use(strategies.anonymousStrategy);
var server = oauth2orize.createServer();
server.exchange(oauth2orize.exchange.password(strategies.passwordTokenExchange));
function init(_settings,storage) {
settings = _settings;
if (settings.adminAuth) {
Users.init(settings.adminAuth);
Tokens.init(storage);
}
}
function needsPermission(permission) {
return function(req,res,next) {
if (settings && settings.adminAuth) {
return passport.authenticate(['bearer','anon'],{ session: false })(req,res,function() {
if (!req.user) {
return next();
}
if (permissions.hasPermission(req.user,permission)) {
return next();
}
return res.send(401);
});
} else {
next();
}
}
}
function ensureClientSecret(req,res,next) {
if (!req.body.client_secret) {
req.body.client_secret = 'not_available';
}
next();
}
function authenticateClient(req,res,next) {
return passport.authenticate(['oauth2-client-password'], {session: false})(req,res,next);
}
function getToken(req,res,next) {
return server.token()(req,res,next);
}
function login(req,res) {
var response = {};
if (settings.adminAuth) {
response = {
"type":"credentials",
"prompts":[{id:"username",type:"text",label:"Username"},{id:"password",type:"password",label:"Password"}]
}
}
res.json(response);
}
function revoke(req,res) {
var token = req.body.token;
// TODO: audit log
Tokens.revoke(token).then(function() {
res.send(200);
});
}
module.exports = {
init: init,
needsPermission: needsPermission,
ensureClientSecret: ensureClientSecret,
authenticateClient: authenticateClient,
getToken: getToken,
errorHandler: function(err,req,res,next) {
//TODO: standardize json response
//TODO: audit log statment
//console.log(err.stack);
//log.log({level:"audit",type:"auth",msg:err.toString()});
return server.errorHandler()(err,req,res,next);
},
login: login,
revoke: revoke
}