mirror of https://github.com/node-red/node-red.git
117 lines
3.5 KiB
JavaScript
117 lines
3.5 KiB
JavaScript
/**
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* Copyright 2015 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var BearerStrategy = require('passport-http-bearer').Strategy;
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var ClientPasswordStrategy = require('passport-oauth2-client-password').Strategy;
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var passport = require("passport");
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var crypto = require("crypto");
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var util = require("util");
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var Tokens = require("./tokens");
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var Users = require("./users");
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var Clients = require("./clients");
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var bearerStrategy = function (accessToken, done) {
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// is this a valid token?
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Tokens.get(accessToken).then(function(token) {
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if (token) {
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Users.get(token.user).then(function(user) {
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if (user) {
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done(null,user,{scope:token.scope});
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} else {
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done(null,false);
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}
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});
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} else {
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done(null,false);
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}
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});
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}
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bearerStrategy.BearerStrategy = new BearerStrategy(bearerStrategy);
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var clientPasswordStrategy = function(clientId, clientSecret, done) {
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Clients.get(clientId).then(function(client) {
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if (client && client.secret == clientSecret) {
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done(null,client);
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} else {
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done(null,false);
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}
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});
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}
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clientPasswordStrategy.ClientPasswordStrategy = new ClientPasswordStrategy(clientPasswordStrategy);
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var loginAttempts = [];
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var loginSignUpWindow = 36000000; // 10 minutes
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var passwordTokenExchange = function(client, username, password, scope, done) {
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var now = Date.now();
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loginAttempts = loginAttempts.filter(function(logEntry) {
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return logEntry.time + loginSignUpWindow > now;
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});
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loginAttempts.push({time:now, user:username});
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var attemptCount = 0;
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loginAttempts.forEach(function(logEntry) {
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if (logEntry.user == username) {
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attemptCount++;
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}
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});
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if (attemptCount > 5) {
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// TODO: audit log
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done(new Error("Too many login attempts. Wait 10 minutes and try again"),false);
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return;
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}
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Users.authenticate(username,password).then(function(user) {
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if (user) {
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loginAttempts = loginAttempts.filter(function(logEntry) {
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return logEntry.user !== username;
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});
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Tokens.create(username,client.id,scope).then(function(tokens) {
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// TODO: audit log
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done(null,tokens.accessToken);
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});
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} else {
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// TODO: audit log
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done(null,false);
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}
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});
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}
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function AnonymousStrategy() {
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passport.Strategy.call(this);
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this.name = 'anon';
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}
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util.inherits(AnonymousStrategy, passport.Strategy);
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AnonymousStrategy.prototype.authenticate = function(req) {
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var self = this;
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Users.default().then(function(anon) {
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if (anon) {
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self.success(anon);
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} else {
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self.fail(401);
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}
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});
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}
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module.exports = {
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bearerStrategy: bearerStrategy,
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clientPasswordStrategy: clientPasswordStrategy,
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passwordTokenExchange: passwordTokenExchange,
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anonymousStrategy: new AnonymousStrategy()
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}
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