mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
340 lines
11 KiB
JavaScript
Executable File
340 lines
11 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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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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try { bcrypt = require('bcrypt'); }
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catch(e) { bcrypt = require('bcryptjs'); }
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var nopt = require("nopt");
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var path = require("path");
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var fs = require("fs-extra");
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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;
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var flowFile;
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var knownOpts = {
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"help": Boolean,
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"port": Number,
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"settings": [path],
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"title": String,
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"userDir": [path],
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"verbose": Boolean
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};
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var shortHands = {
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"?":["--help"],
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"p":["--port"],
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"s":["--settings"],
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// As we want to reserve -t for now, adding a shorthand to help so it
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// doesn't get treated as --title
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"t":["--help"],
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"u":["--userDir"],
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"v":["--verbose"]
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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("Node-RED v"+RED.version());
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console.log("Usage: node-red [-v] [-?] [--settings settings.js] [--userDir DIR]");
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console.log(" [--port PORT] [--title TITLE] [flows.json]");
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console.log("");
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console.log("Options:");
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console.log(" -p, --port PORT port to listen on");
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console.log(" -s, --settings FILE use specified settings file");
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console.log(" --title TITLE process window title");
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console.log(" -u, --userDir DIR use specified user directory");
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console.log(" -v, --verbose enable verbose output");
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console.log(" -?, --help show this help");
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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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// User-specified settings file
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settingsFile = parsedArgs.settings;
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} else if (parsedArgs.userDir && fs.existsSync(path.join(parsedArgs.userDir,"settings.js"))) {
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// User-specified userDir that contains a settings.js
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settingsFile = path.join(parsedArgs.userDir,"settings.js");
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} else {
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if (fs.existsSync(path.join(process.env.NODE_RED_HOME,".config.json"))) {
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// NODE_RED_HOME contains user data - use its settings.js
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settingsFile = path.join(process.env.NODE_RED_HOME,"settings.js");
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} else if (process.env.HOMEPATH && fs.existsSync(path.join(process.env.HOMEPATH,".node-red",".config.json"))) {
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// Consider compatibility for older versions
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settingsFile = path.join(process.env.HOMEPATH,".node-red","settings.js");
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} else {
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var userDir = parsedArgs.userDir || path.join(process.env.HOME || process.env.USERPROFILE || process.env.HOMEPATH,".node-red");
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var userSettingsFile = path.join(userDir,"settings.js");
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if (fs.existsSync(userSettingsFile)) {
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// $HOME/.node-red/settings.js exists
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settingsFile = userSettingsFile;
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} else {
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var defaultSettings = path.join(__dirname,"settings.js");
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var settingsStat = fs.statSync(defaultSettings);
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if (settingsStat.mtime.getTime() <= settingsStat.ctime.getTime()) {
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// Default settings file has not been modified - safe to copy
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fs.copySync(defaultSettings,userSettingsFile);
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settingsFile = userSettingsFile;
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} else {
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// Use default settings.js as it has been modified
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settingsFile = defaultSettings;
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}
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}
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}
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}
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try {
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var settings = require(settingsFile);
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settings.settingsFile = settingsFile;
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} catch(err) {
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console.log("Error loading settings file: "+settingsFile)
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if (err.code == 'MODULE_NOT_FOUND') {
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if (err.toString().indexOf(settingsFile) === -1) {
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console.log(err.toString());
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}
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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.verbose) {
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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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server.setMaxListeners(0);
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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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settings.disableEditor = settings.disableEditor||false;
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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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} else {
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settings.disableEditor = true;
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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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// if we got a port from command line, use it (even if 0)
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// replicate (settings.uiPort = parsedArgs.port||settings.uiPort||1880;) but allow zero
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if (parsedArgs.port !== undefined){
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settings.uiPort = parsedArgs.port;
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} else {
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if (settings.uiPort === undefined){
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settings.uiPort = 1880;
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}
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}
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settings.uiHost = settings.uiHost||"0.0.0.0";
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if (flowFile) {
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settings.flowFile = flowFile;
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}
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if (parsedArgs.userDir) {
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settings.userDir = parsedArgs.userDir;
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}
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try {
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RED.init(server,settings);
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} catch(err) {
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if (err.code == "unsupported_version") {
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console.log("Unsupported version of node.js:",process.version);
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console.log("Node-RED requires node.js v4 or later");
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} else if (err.code == "not_built") {
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console.log("Node-RED has not been built. See README.md for details");
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} else {
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console.log("Failed to start server:");
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if (err.stack) {
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console.log(err.stack);
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} else {
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console.log(err);
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}
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}
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process.exit(1);
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}
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function basicAuthMiddleware(user,pass) {
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var basicAuth = require('basic-auth');
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var checkPassword;
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var localCachedPassword;
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if (pass.length == "32") {
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// Assume its a legacy md5 password
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checkPassword = function(p) {
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return crypto.createHash('md5').update(p,'utf8').digest('hex') === pass;
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}
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} else {
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checkPassword = function(p) {
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return bcrypt.compareSync(p,pass);
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}
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}
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var checkPasswordAndCache = function(p) {
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// For BasicAuth routes we know the password cannot change without
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// a restart of Node-RED. This means we can cache the provided crypted
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// version to save recalculating each time.
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if (localCachedPassword === p) {
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return true;
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}
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var result = checkPassword(p);
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if (result) {
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localCachedPassword = p;
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}
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return result;
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}
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return function(req,res,next) {
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if (req.method === 'OPTIONS') {
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return next();
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}
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var requestUser = basicAuth(req);
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if (!requestUser || requestUser.name !== user || !checkPasswordAndCache(requestUser.pass)) {
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res.set('WWW-Authenticate', 'Basic realm="Authorization Required"');
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return res.sendStatus(401);
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}
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next();
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}
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}
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if (settings.httpAdminRoot !== false && settings.httpAdminAuth) {
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RED.log.warn(RED.log._("server.httpadminauth-deprecated"));
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app.use(settings.httpAdminRoot, basicAuthMiddleware(settings.httpAdminAuth.user,settings.httpAdminAuth.pass));
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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 && settings.httpNodeAuth) {
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app.use(settings.httpNodeRoot,basicAuthMiddleware(settings.httpNodeAuth.user,settings.httpNodeAuth.pass));
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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("/",basicAuthMiddleware(settings.httpStaticAuth.user,settings.httpStaticAuth.pass));
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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 port = settings.serverPort;
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if (port === undefined){
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port = settings.uiPort;
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}
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var listenPath = 'http'+(settings.https?'s':'')+'://'+
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(settings.uiHost == '::'?'localhost':(settings.uiHost == '0.0.0.0'?'127.0.0.1':settings.uiHost))+
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':'+port;
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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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RED.log.error(RED.log._("server.unable-to-listen", {listenpath:getListenPath()}));
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RED.log.error(RED.log._("server.port-in-use"));
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} else {
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RED.log.error(RED.log._("server.uncaught-exception"));
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if (err.stack) {
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RED.log.error(err.stack);
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} else {
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RED.log.error(err);
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}
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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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RED.log.info(RED.log._("server.admin-ui-disabled"));
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}
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settings.serverPort = server.address().port;
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process.title = parsedArgs.title || 'node-red';
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RED.log.info(RED.log._("server.now-running", {listenpath:getListenPath()}));
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});
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} else {
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RED.log.info(RED.log._("server.headless-mode"));
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}
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}).otherwise(function(err) {
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RED.log.error(RED.log._("server.failed-to-start"));
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if (err.stack) {
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RED.log.error(err.stack);
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} else {
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RED.log.error(err);
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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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if (err.stack) {
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util.log(err.stack);
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} else {
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util.log(err);
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}
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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().then(function() {
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process.exit();
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});
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});
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