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index.js
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index.js
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/**
* Copyright 2017 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 when = require("when");
var bcrypt = require("bcrypt");
var util = require("util");
var path = require("path");
util.log("Starting Node-RED on Bluemix bootstrap");
util.log("Loading bluemix-settings.js");
var settings = require("./bluemix-settings.js");
if (!settings.adminAuth) {
// No user-defined security
var storage;
if (settings.storageModule) {
storage = settings.storageModule;
} else {
storage = require('./node_modules/node-red/red/runtime/storage/localfilesystem');
}
util.log("Loading application settings");
storage.init(settings).then(storage.getSettings).then(function(runtimeSettings) {
if (process.env.NODE_RED_USERNAME && process.env.NODE_RED_PASSWORD) {
util.log("Enabling adminAuth using NODE_RED_USERNAME/NODE_RED_PASSWORD");
var config = {
adminAuth: {
username: process.env.NODE_RED_USERNAME,
password: bcrypt.hashSync(process.env.NODE_RED_PASSWORD, 8),
allowAnonymous: (process.env.NODE_RED_GUEST_ACCESS === 'true')
}
};
// save auth
if (runtimeSettings.bluemixConfig && runtimeSettings.bluemixConfig.hasOwnProperty('adminAuth')) {
delete runtimeSettings.bluemixConfig.adminAuth;
storage.saveSettings(runtimeSettings).then(function() {
startNodeRED(config);
});
} else {
startNodeRED(config);
}
} else if (runtimeSettings.bluemixConfig) {
util.log("Using runtime settings for adminAuth");
startNodeRED(runtimeSettings.bluemixConfig);
} else {
// server initialization
util.log("Starting first-use setup");
var server;
var express = require('express');
var bodyParser = require('body-parser');
var app = express();
app.use(bodyParser.json());
app.get("/", function(req,res) {
res.sendFile(path.join(__dirname,"public","first-run.html"));
});
// handle apis
app.post("/setup", function(req,res) {
if (req.body.adminAuth && req.body.adminAuth.password) {
util.log("Received password: " + req.body.adminAuth.password);
req.body.adminAuth.password = bcrypt.hashSync(req.body.adminAuth.password, 8);
util.log("bcrypt password: " + req.body.adminAuth.password);
}
runtimeSettings.bluemixConfig = req.body;
util.log("Received first-use setup configuration");
storage.saveSettings(runtimeSettings).then(function() {
res.status(200).end();
setTimeout(function() {
util.log("Stopping first-use setup application");
server.shutdown(function() {
startNodeRED(req.body);
});
},1000);
}).otherwise(function(err) {
util.log("Failed to save configuration");
util.log(err);
res.status(200).end();
});
});
// run the server
app.use("/",express.static(path.join(__dirname,"public")));
var http = require('http');
server = http.createServer(function(req,res) {app(req,res);});
server = require('http-shutdown')(server);
server.listen(settings.uiPort,settings.uiHost,function() {});
util.log("Waiting for first-use setup to complete");
}
}).otherwise(function(err) {
console.log("Failed to initialise storage module");
console.log(err);
});
} else {
startNodeRED({});
}
// start node red
function startNodeRED(config) {
if (config.adminAuth && !settings.adminAuth) {
util.log("Enabling adminAuth security - set NODE_RED_USERNAME and NODE_RED_PASSWORD to change credentials");
settings.adminAuth = {
type: "credentials",
users: function(username) {
if (config.adminAuth.username == username) {
return when.resolve({username:username,permissions:"*"});
} else {
return when.resolve(null);
}
},
authenticate: function(username, password) {
if (config.adminAuth.username === username && bcrypt.compareSync(password,config.adminAuth.password)) {
return when.resolve({username:username,permissions:"*"});
} else {
return when.resolve(null);
}
}
};
if ((process.env.NODE_RED_GUEST_ACCESS === 'true') || (process.env.NODE_RED_GUEST_ACCESS === undefined && config.adminAuth.allowAnonymous)) {
util.log("Enabling anonymous read-only access - set NODE_RED_GUEST_ACCESS to 'false' to disable");
settings.adminAuth.default = function() {
return when.resolve({anonymous: true, permissions:"read"});
};
} else {
util.log("Disabled anonymous read-only access - set NODE_RED_GUEST_ACCESS to 'true' to enable");
}
}
require('./node_modules/node-red/red.js');
}