/** * Copyright 2013 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 http = require('http'); var https = require('https'); var util = require("util"); var express = require("express"); var crypto = require("crypto"); var nopt = require("nopt"); var path = require("path"); var RED = require("./red/red.js"); var server; var app = express(); var settingsFile = "./settings"; var flowFile; var knownOpts = { "settings":[path], "v": Boolean, "help": Boolean }; var shortHands = { "s":["--settings"], "?":["--help"] }; nopt.invalidHandler = function(k,v,t) { // TODO: console.log(k,v,t); } var parsedArgs = nopt(knownOpts,shortHands,process.argv,2) if (parsedArgs.help) { console.log("Node-RED v"+RED.version()); console.log("Usage: node red.js [-v] [-?] [--settings settings.js] [flows.json]"); console.log(""); console.log("Options:"); console.log(" -s, --settings FILE use specified settings file"); console.log(" -v enable verbose output"); console.log(" -?, --help show usage"); console.log(""); console.log("Documentation can be found at http://nodered.org"); process.exit(); } if (parsedArgs.argv.remain.length > 0) { flowFile = parsedArgs.argv.remain[0]; } if (parsedArgs.settings) { settingsFile = parsedArgs.settings; } try { var settings = require(settingsFile); } catch(err) { if (err.code == 'MODULE_NOT_FOUND') { console.log("Unable to load settings file "+settingsFile); } else { console.log(err); } process.exit(); } if (parsedArgs.v) { settings.verbose = true; } if (settings.https) { server = https.createServer(settings.https,function(req,res){app(req,res);}); } else { server = http.createServer(function(req,res){app(req,res);}); } server.setMaxListeners(0); function formatRoot(root) { if (root[0] != "/") { root = "/" + root; } if (root.slice(-1) != "/") { root = root + "/"; } return root; } if (settings.httpRoot === false) { settings.httpAdminRoot = false; settings.httpNodeRoot = false; } else { settings.httpRoot = settings.httpRoot||"/"; } if (settings.httpAdminRoot !== false) { settings.httpAdminRoot = formatRoot(settings.httpAdminRoot || settings.httpRoot || "/"); settings.httpAdminAuth = settings.httpAdminAuth || settings.httpAuth; } if (settings.httpNodeRoot !== false) { settings.httpNodeRoot = formatRoot(settings.httpNodeRoot || settings.httpRoot || "/"); settings.httpNodeAuth = settings.httpNodeAuth || settings.httpAuth; } settings.uiPort = settings.uiPort||1880; settings.uiHost = settings.uiHost||"0.0.0.0"; settings.flowFile = flowFile || settings.flowFile; RED.init(server,settings); if (settings.httpAdminRoot !== false && settings.httpAdminAuth) { app.use(settings.httpAdminRoot, express.basicAuth(function(user, pass) { return user === settings.httpAdminAuth.user && crypto.createHash('md5').update(pass,'utf8').digest('hex') === settings.httpAdminAuth.pass; }) ); } if (settings.httpNodeRoot !== false && settings.httpNodeAuth) { app.use(settings.httpNodeRoot, express.basicAuth(function(user, pass) { return user === settings.httpNodeAuth.user && crypto.createHash('md5').update(pass,'utf8').digest('hex') === settings.httpNodeAuth.pass; }) ); } if (settings.httpAdminRoot !== false) { app.use(settings.httpAdminRoot,RED.httpAdmin); } if (settings.httpNodeRoot !== false) { app.use(settings.httpNodeRoot,RED.httpNode); } if (settings.httpStatic) { settings.httpStaticAuth = settings.httpStaticAuth || settings.httpAuth; if (settings.httpStaticAuth) { app.use("/", express.basicAuth(function(user, pass) { return user === settings.httpStaticAuth.user && crypto.createHash('md5').update(pass,'utf8').digest('hex') === settings.httpStaticAuth.pass; }) ); } app.use("/",express.static(settings.httpStatic)); } function getListenPath() { var listenPath = 'http'+(settings.https?'s':'')+'://'+ (settings.uiHost == '0.0.0.0'?'127.0.0.1':settings.uiHost)+ ':'+settings.uiPort; if (settings.httpAdminRoot !== false) { listenPath += settings.httpAdminRoot; } else if (settings.httpStatic) { listenPath += "/"; } return listenPath; } RED.start().then(function() { if (settings.httpAdminRoot !== false || settings.httpNodeRoot !== false || settings.httpStatic) { server.on('error', function(err) { if (err.errno === "EADDRINUSE") { util.log('[red] Unable to listen on '+getListenPath()); util.log('[red] Error: port in use'); } else { util.log('[red] Uncaught Exception:'); util.log(err.stack); } process.exit(1); }); server.listen(settings.uiPort,settings.uiHost,function() { if (settings.httpAdminRoot === false) { util.log('[red] Admin UI disabled'); } process.title = 'node-red'; util.log('[red] Server now running at '+getListenPath()); }); } else { util.log('[red] Running in headless mode'); } }).otherwise(function(err) { util.log("[red] Failed to start server:"); util.log(err.stack); }); process.on('uncaughtException',function(err) { util.log('[red] Uncaught Exception:'); util.log(err.stack); process.exit(1); }); process.on('SIGINT', function () { RED.stop(); // TODO: need to allow nodes to close asynchronously before terminating the // process - ie, promises process.exit(); });