mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
200 lines
5.9 KiB
JavaScript
200 lines
5.9 KiB
JavaScript
/**
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* Copyright 2013 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 http = require('http');
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var https = require('https');
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var util = require("util");
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var express = require("express");
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var crypto = require("crypto");
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var nopt = require("nopt");
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var path = require("path");
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var RED = require("./red/red.js");
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var server;
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var app = express();
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var settingsFile = "./settings";
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var flowFile;
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var knownOpts = {
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"settings":[path],
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"v": Boolean,
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"help": Boolean
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};
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var shortHands = {
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"s":["--settings"],
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"?":["--help"]
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};
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nopt.invalidHandler = function(k,v,t) {
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// TODO: console.log(k,v,t);
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}
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var parsedArgs = nopt(knownOpts,shortHands,process.argv,2)
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if (parsedArgs.help) {
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console.log("Usage: node red.js [-v] [-?] [--settings settings.js] [flows.json]");
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console.log("");
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console.log("Options:");
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console.log(" -s, --settings FILE use specified settings file");
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console.log(" -v enable verbose output");
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console.log(" -?, --help show usage");
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console.log("");
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console.log("Documentation can be found at http://nodered.org");
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process.exit();
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}
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if (parsedArgs.argv.remain.length > 0) {
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flowFile = parsedArgs.argv.remain[0];
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}
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if (parsedArgs.settings) {
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settingsFile = parsedArgs.settings;
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}
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try {
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var settings = require(settingsFile);
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} catch(err) {
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if (err.code == 'MODULE_NOT_FOUND') {
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console.log("Unable to load settings file "+settingsFile);
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} else {
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console.log(err);
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}
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process.exit();
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}
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if (parsedArgs.v) {
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settings.verbose = true;
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}
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if (settings.https) {
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server = https.createServer(settings.https,function(req,res){app(req,res);});
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} else {
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server = http.createServer(function(req,res){app(req,res);});
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}
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function formatRoot(root) {
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if (root[0] != "/") {
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root = "/" + root;
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}
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if (root.slice(-1) != "/") {
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root = root + "/";
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}
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return root;
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}
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if (settings.httpRoot === false) {
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settings.httpAdminRoot = false;
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settings.httpNodeRoot = false;
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} else {
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settings.httpRoot = settings.httpRoot||"/";
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}
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if (settings.httpAdminRoot !== false) {
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settings.httpAdminRoot = formatRoot(settings.httpAdminRoot || settings.httpRoot || "/");
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settings.httpAdminAuth = settings.httpAdminAuth || settings.httpAuth;
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}
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if (settings.httpNodeRoot !== false) {
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settings.httpNodeRoot = formatRoot(settings.httpNodeRoot || settings.httpRoot || "/");
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settings.httpNodeAuth = settings.httpNodeAuth || settings.httpAuth;
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}
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settings.uiPort = settings.uiPort||1880;
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settings.uiHost = settings.uiHost||"0.0.0.0";
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settings.flowFile = flowFile || settings.flowFile;
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RED.init(server,settings);
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if (settings.httpAdminRoot !== false && settings.httpAdminAuth) {
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app.use(settings.httpAdminRoot,
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express.basicAuth(function(user, pass) {
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return user === settings.httpAdminAuth.user && crypto.createHash('md5').update(pass,'utf8').digest('hex') === settings.httpAdminAuth.pass;
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})
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);
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}
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if (settings.httpNodeRoot !== false && settings.httpNodeAuth) {
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app.use(settings.httpNodeRoot,
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express.basicAuth(function(user, pass) {
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return user === settings.httpNodeAuth.user && crypto.createHash('md5').update(pass,'utf8').digest('hex') === settings.httpNodeAuth.pass;
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})
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);
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}
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if (settings.httpAdminRoot !== false) {
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app.use(settings.httpAdminRoot,RED.httpAdmin);
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}
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if (settings.httpNodeRoot !== false) {
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app.use(settings.httpNodeRoot,RED.httpNode);
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}
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if (settings.httpStatic) {
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settings.httpStaticAuth = settings.httpStaticAuth || settings.httpAuth;
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if (settings.httpStaticAuth) {
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app.use("/",
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express.basicAuth(function(user, pass) {
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return user === settings.httpStaticAuth.user && crypto.createHash('md5').update(pass,'utf8').digest('hex') === settings.httpStaticAuth.pass;
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})
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);
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}
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app.use("/",express.static(settings.httpStatic));
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}
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function getListenPath() {
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var listenPath = 'http'+(settings.https?'s':'')+'://'+
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(settings.uiHost == '0.0.0.0'?'127.0.0.1':settings.uiHost)+
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':'+settings.uiPort;
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if (settings.httpAdminRoot !== false) {
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listenPath += settings.httpAdminRoot;
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} else if (settings.httpStatic) {
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listenPath += "/";
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}
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return listenPath;
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}
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RED.start().then(function() {
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if (settings.httpAdminRoot !== false || settings.httpNodeRoot !== false || settings.httpStatic) {
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server.on('error', function(err) {
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if (err.errno === "EADDRINUSE") {
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util.log('[red] Unable to listen on '+getListenPath());
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util.log('[red] Error: port in use');
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} else {
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util.log('[red] Uncaught Exception:');
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util.log(err.stack);
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}
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process.exit(1);
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});
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server.listen(settings.uiPort,settings.uiHost,function() {
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if (settings.httpAdminRoot === false) {
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util.log('[red] Admin UI disabled');
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}
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util.log('[red] Server now running at '+getListenPath());
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});
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} else {
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util.log('[red] Running in headless mode');
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}
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});
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process.on('uncaughtException',function(err) {
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util.log('[red] Uncaught Exception:');
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util.log(err.stack);
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process.exit(1);
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});
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process.on('SIGINT', function () {
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RED.stop();
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// TODO: need to allow nodes to close asynchronously before terminating the
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// process - ie, promises
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process.exit();
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});
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