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	Asynchronous https support
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								packages/node_modules/node-red/red.js
									
									
									
									
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							| @@ -142,247 +142,278 @@ if (process.env.NODE_RED_ENABLE_PROJECTS) { | ||||
|     settings.editorTheme.projects.enabled = !/^false$/i.test(process.env.NODE_RED_ENABLE_PROJECTS); | ||||
| } | ||||
|  | ||||
| var httpsPromise; | ||||
| if (settings.https) { | ||||
|     var startupHttps = settings.https; | ||||
|      | ||||
|  | ||||
|     if (typeof startupHttps === "function") { | ||||
|         // Get the result of the function, because createServer doesn't accept functions as input | ||||
|         startupHttps = startupHttps();  | ||||
|     }   | ||||
|  | ||||
|     server = https.createServer(startupHttps,function(req,res) {app(req,res);}); | ||||
|     if (startupHttps.hasOwnProperty('then') && typeof startupHttps.then === 'function') { | ||||
|         // A promise was returned | ||||
|         httpsPromise = startupHttps; | ||||
|     } else { | ||||
|         // An object was returned - wrap in a promise | ||||
|         httpsPromise = Promise.resolve(startupHttps); | ||||
|     } | ||||
| } | ||||
| else { | ||||
|     // No https is enable - wrap null | ||||
|     httpsPromise = Promise.resolve(null); | ||||
| } | ||||
|      | ||||
|     // Refresh https settings at intervals for NodeJs version 11 and above | ||||
|     if (settings.httpsRefreshInterval) { | ||||
|         if (typeof startupHttps === "function") {         | ||||
|             if (server.setSecureContext) { | ||||
|                 console.log("Refreshing https settings every " + parseInt(settings.httpsRefreshInterval) + " seconds."); | ||||
|                 setInterval(function () { | ||||
|                     try { | ||||
|                         // Get the result of the function, because createServer doesn't accept functions as input | ||||
|                         var refreshedHttps = settings.https(); | ||||
|                          | ||||
|                         if (!refreshedHttps.key || !refreshedHttps.cert) { | ||||
|                             console.log("Cannot refresh the https settings when the https property function doesn't return a 'key' and 'cert'."); | ||||
|                             return; | ||||
|                         } | ||||
| httpsPromise.then(function(startupHttps) { | ||||
|     if (startupHttps) { | ||||
|         server = https.createServer(startupHttps,function(req,res) {app(req,res);}); | ||||
|      | ||||
|         // Refresh https settings at intervals for NodeJs version 11 and above | ||||
|         if (settings.httpsRefreshInterval) { | ||||
|             if (typeof settings.https === "function") {         | ||||
|                 if (server.setSecureContext) { | ||||
|                     console.log("Refreshing https settings every " + parseInt(settings.httpsRefreshInterval) + " seconds."); | ||||
|                     setInterval(function () { | ||||
|                         try { | ||||
|                             // Get the result of the function, because createServer doesn't accept functions as input | ||||
|                             var refreshedHttps = settings.https(); | ||||
|                              | ||||
|                         // Only update the credentials in the server when key or cert has changed | ||||
|                         if(!server.key || !server.cert || !server.key.equals(refreshedHttps.key) || !server.cert.equals(refreshedHttps.cert)) { | ||||
|                             server.setSecureContext(refreshedHttps); | ||||
|                             console.log("The https settings have been refreshed."); | ||||
|                             var httpsPromise; | ||||
|                             if (refreshedHttps.hasOwnProperty('then') && typeof refreshedHttps.then === 'function') { | ||||
|                                 // A promise was returned | ||||
|                                 httpsPromise = refreshedHttps; | ||||
|                             } else { | ||||
|                                 // An object was returned - wrap in a promise | ||||
|                                 httpsPromise = Promise.resolve(refreshedHttps); | ||||
|                             } | ||||
|  | ||||
|                             httpsPromise.then(function(refreshedHttps) { | ||||
|                                 // Use the refreshed https settings | ||||
|                                 if (!refreshedHttps.key || !refreshedHttps.cert) { | ||||
|                                     console.log("Cannot refresh the https settings when the https property function doesn't return a 'key' and 'cert'."); | ||||
|                                     return; | ||||
|                                 } | ||||
|                                      | ||||
|                                 // Only update the credentials in the server when key or cert has changed | ||||
|                                 if(!server.key || !server.cert || !server.key.equals(refreshedHttps.key) || !server.cert.equals(refreshedHttps.cert)) { | ||||
|                                     server.setSecureContext(refreshedHttps); | ||||
|                                     console.log("The https settings have been refreshed."); | ||||
|                                 } | ||||
|                             }).catch(function(err) { | ||||
|                                 console.log("Failed to apply the refreshed https settings: " + err); | ||||
|                             }); | ||||
|                         } catch(err) { | ||||
|                             console.log("Failed to get the refreshed https settings: " + err); | ||||
|                         } | ||||
|                     } catch(err) { | ||||
|                         console.log("Failed to refresh the https settings: " + err); | ||||
|                     } | ||||
|                 }, parseInt(settings.httpsRefreshInterval)*1000); | ||||
|             } else { | ||||
|                 console.log("Cannot refresh the https settings automatically, because NodeJs version 11 or above is required."); | ||||
|             } | ||||
|         } else { | ||||
|             console.log("Cannot refresh the https settings automatically (at httpsRefreshInterval), because the https property needs to be a function."); | ||||
|         }  | ||||
|     } | ||||
| } 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||"/"; | ||||
|     settings.disableEditor = settings.disableEditor||false; | ||||
| } | ||||
|  | ||||
| if (settings.httpAdminRoot !== false) { | ||||
|     settings.httpAdminRoot = formatRoot(settings.httpAdminRoot || settings.httpRoot || "/"); | ||||
|     settings.httpAdminAuth = settings.httpAdminAuth || settings.httpAuth; | ||||
| } else { | ||||
|     settings.disableEditor = true; | ||||
| } | ||||
|  | ||||
| if (settings.httpNodeRoot !== false) { | ||||
|     settings.httpNodeRoot = formatRoot(settings.httpNodeRoot || settings.httpRoot || "/"); | ||||
|     settings.httpNodeAuth = settings.httpNodeAuth || settings.httpAuth; | ||||
| } | ||||
|  | ||||
| // if we got a port from command line, use it (even if 0) | ||||
| // replicate (settings.uiPort = parsedArgs.port||settings.uiPort||1880;) but allow zero | ||||
| if (parsedArgs.port !== undefined){ | ||||
|     settings.uiPort = parsedArgs.port; | ||||
| } else { | ||||
|     if (settings.uiPort === undefined){ | ||||
|         settings.uiPort = 1880; | ||||
|     } | ||||
| } | ||||
|  | ||||
| settings.uiHost = settings.uiHost||"0.0.0.0"; | ||||
|  | ||||
| if (flowFile) { | ||||
|     settings.flowFile = flowFile; | ||||
| } | ||||
| if (parsedArgs.userDir) { | ||||
|     settings.userDir = parsedArgs.userDir; | ||||
| } | ||||
|  | ||||
| try { | ||||
|     RED.init(server,settings); | ||||
| } catch(err) { | ||||
|     if (err.code == "unsupported_version") { | ||||
|         console.log("Unsupported version of Node.js:",process.version); | ||||
|         console.log("Node-RED requires Node.js v8.9.0 or later"); | ||||
|     } else { | ||||
|         console.log("Failed to start server:"); | ||||
|         if (err.stack) { | ||||
|             console.log(err.stack); | ||||
|         } else { | ||||
|             console.log(err); | ||||
|         } | ||||
|     } | ||||
|     process.exit(1); | ||||
| } | ||||
|  | ||||
| function basicAuthMiddleware(user,pass) { | ||||
|     var basicAuth = require('basic-auth'); | ||||
|     var checkPassword; | ||||
|     var localCachedPassword; | ||||
|     if (pass.length == "32") { | ||||
|         // Assume its a legacy md5 password | ||||
|         checkPassword = function(p) { | ||||
|             return crypto.createHash('md5').update(p,'utf8').digest('hex') === pass; | ||||
|         } | ||||
|     } else { | ||||
|         checkPassword = function(p) { | ||||
|             return bcrypt.compareSync(p,pass); | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     var checkPasswordAndCache = function(p) { | ||||
|         // For BasicAuth routes we know the password cannot change without | ||||
|         // a restart of Node-RED. This means we can cache the provided crypted | ||||
|         // version to save recalculating each time. | ||||
|         if (localCachedPassword === p) { | ||||
|             return true; | ||||
|         } | ||||
|         var result = checkPassword(p); | ||||
|         if (result) { | ||||
|             localCachedPassword = p; | ||||
|         } | ||||
|         return result; | ||||
|     } | ||||
|  | ||||
|     return function(req,res,next) { | ||||
|         if (req.method === 'OPTIONS') { | ||||
|             return next(); | ||||
|         } | ||||
|         var requestUser = basicAuth(req); | ||||
|         if (!requestUser || requestUser.name !== user || !checkPasswordAndCache(requestUser.pass)) { | ||||
|             res.set('WWW-Authenticate', 'Basic realm="Authorization Required"'); | ||||
|             return res.sendStatus(401); | ||||
|         } | ||||
|         next(); | ||||
|     } | ||||
| } | ||||
|  | ||||
| if (settings.httpAdminRoot !== false && settings.httpAdminAuth) { | ||||
|     RED.log.warn(RED.log._("server.httpadminauth-deprecated")); | ||||
|     app.use(settings.httpAdminRoot, basicAuthMiddleware(settings.httpAdminAuth.user,settings.httpAdminAuth.pass)); | ||||
| } | ||||
|  | ||||
| if (settings.httpAdminRoot !== false) { | ||||
|     app.use(settings.httpAdminRoot,RED.httpAdmin); | ||||
| } | ||||
| if (settings.httpNodeRoot !== false && settings.httpNodeAuth) { | ||||
|     app.use(settings.httpNodeRoot,basicAuthMiddleware(settings.httpNodeAuth.user,settings.httpNodeAuth.pass)); | ||||
| } | ||||
| if (settings.httpNodeRoot !== false) { | ||||
|     app.use(settings.httpNodeRoot,RED.httpNode); | ||||
| } | ||||
| if (settings.httpStatic) { | ||||
|     settings.httpStaticAuth = settings.httpStaticAuth || settings.httpAuth; | ||||
|     if (settings.httpStaticAuth) { | ||||
|         app.use("/",basicAuthMiddleware(settings.httpStaticAuth.user,settings.httpStaticAuth.pass)); | ||||
|     } | ||||
|     app.use("/",express.static(settings.httpStatic)); | ||||
| } | ||||
|  | ||||
| function getListenPath() { | ||||
|     var port = settings.serverPort; | ||||
|     if (port === undefined){ | ||||
|         port = settings.uiPort; | ||||
|     } | ||||
|  | ||||
|     var listenPath = 'http'+(settings.https?'s':'')+'://'+ | ||||
|                     (settings.uiHost == '::'?'localhost':(settings.uiHost == '0.0.0.0'?'127.0.0.1':settings.uiHost))+ | ||||
|                     ':'+port; | ||||
|     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") { | ||||
|                 RED.log.error(RED.log._("server.unable-to-listen", {listenpath:getListenPath()})); | ||||
|                 RED.log.error(RED.log._("server.port-in-use")); | ||||
|             } else { | ||||
|                 RED.log.error(RED.log._("server.uncaught-exception")); | ||||
|                 if (err.stack) { | ||||
|                     RED.log.error(err.stack); | ||||
|                     }, parseInt(settings.httpsRefreshInterval)*1000); | ||||
|                 } else { | ||||
|                     RED.log.error(err); | ||||
|                     console.log("Cannot refresh the https settings automatically, because NodeJs version 11 or above is required."); | ||||
|                 } | ||||
|             } | ||||
|             process.exit(1); | ||||
|         }); | ||||
|         server.listen(settings.uiPort,settings.uiHost,function() { | ||||
|             if (settings.httpAdminRoot === false) { | ||||
|                 RED.log.info(RED.log._("server.admin-ui-disabled")); | ||||
|             } | ||||
|             settings.serverPort = server.address().port; | ||||
|             process.title = parsedArgs.title || 'node-red'; | ||||
|             RED.log.info(RED.log._("server.now-running", {listenpath:getListenPath()})); | ||||
|         }); | ||||
|             } else { | ||||
|                 console.log("Cannot refresh the https settings automatically (at httpsRefreshInterval), because the https property needs to be a function."); | ||||
|             }  | ||||
|         } | ||||
|     } else { | ||||
|         RED.log.info(RED.log._("server.headless-mode")); | ||||
|         server = http.createServer(function(req,res) {app(req,res);}); | ||||
|     } | ||||
| }).otherwise(function(err) { | ||||
|     RED.log.error(RED.log._("server.failed-to-start")); | ||||
|     if (err.stack) { | ||||
|         RED.log.error(err.stack); | ||||
|     } else { | ||||
|         RED.log.error(err); | ||||
|     } | ||||
| }); | ||||
|     server.setMaxListeners(0); | ||||
|  | ||||
| process.on('uncaughtException',function(err) { | ||||
|     util.log('[red] Uncaught Exception:'); | ||||
|     if (err.stack) { | ||||
|         util.log(err.stack); | ||||
|     } else { | ||||
|         util.log(err); | ||||
|     function formatRoot(root) { | ||||
|         if (root[0] != "/") { | ||||
|             root = "/" + root; | ||||
|         } | ||||
|         if (root.slice(-1) != "/") { | ||||
|             root = root + "/"; | ||||
|         } | ||||
|         return root; | ||||
|     } | ||||
|     process.exit(1); | ||||
| }); | ||||
|  | ||||
| process.on('SIGINT', function () { | ||||
|     RED.stop().then(function() { | ||||
|         process.exit(); | ||||
|     if (settings.httpRoot === false) { | ||||
|         settings.httpAdminRoot = false; | ||||
|         settings.httpNodeRoot = false; | ||||
|     } else { | ||||
|         settings.httpRoot = settings.httpRoot||"/"; | ||||
|         settings.disableEditor = settings.disableEditor||false; | ||||
|     } | ||||
|  | ||||
|     if (settings.httpAdminRoot !== false) { | ||||
|         settings.httpAdminRoot = formatRoot(settings.httpAdminRoot || settings.httpRoot || "/"); | ||||
|         settings.httpAdminAuth = settings.httpAdminAuth || settings.httpAuth; | ||||
|     } else { | ||||
|         settings.disableEditor = true; | ||||
|     } | ||||
|  | ||||
|     if (settings.httpNodeRoot !== false) { | ||||
|         settings.httpNodeRoot = formatRoot(settings.httpNodeRoot || settings.httpRoot || "/"); | ||||
|         settings.httpNodeAuth = settings.httpNodeAuth || settings.httpAuth; | ||||
|     } | ||||
|  | ||||
|     // if we got a port from command line, use it (even if 0) | ||||
|     // replicate (settings.uiPort = parsedArgs.port||settings.uiPort||1880;) but allow zero | ||||
|     if (parsedArgs.port !== undefined){ | ||||
|         settings.uiPort = parsedArgs.port; | ||||
|     } else { | ||||
|         if (settings.uiPort === undefined){ | ||||
|             settings.uiPort = 1880; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     settings.uiHost = settings.uiHost||"0.0.0.0"; | ||||
|  | ||||
|     if (flowFile) { | ||||
|         settings.flowFile = flowFile; | ||||
|     } | ||||
|     if (parsedArgs.userDir) { | ||||
|         settings.userDir = parsedArgs.userDir; | ||||
|     } | ||||
|  | ||||
|     try { | ||||
|         RED.init(server,settings); | ||||
|     } catch(err) { | ||||
|         if (err.code == "unsupported_version") { | ||||
|             console.log("Unsupported version of Node.js:",process.version); | ||||
|             console.log("Node-RED requires Node.js v8.9.0 or later"); | ||||
|         } else { | ||||
|             console.log("Failed to start server:"); | ||||
|             if (err.stack) { | ||||
|                 console.log(err.stack); | ||||
|             } else { | ||||
|                 console.log(err); | ||||
|             } | ||||
|         } | ||||
|         process.exit(1); | ||||
|     } | ||||
|  | ||||
|     function basicAuthMiddleware(user,pass) { | ||||
|         var basicAuth = require('basic-auth'); | ||||
|         var checkPassword; | ||||
|         var localCachedPassword; | ||||
|         if (pass.length == "32") { | ||||
|             // Assume its a legacy md5 password | ||||
|             checkPassword = function(p) { | ||||
|                 return crypto.createHash('md5').update(p,'utf8').digest('hex') === pass; | ||||
|             } | ||||
|         } else { | ||||
|             checkPassword = function(p) { | ||||
|                 return bcrypt.compareSync(p,pass); | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         var checkPasswordAndCache = function(p) { | ||||
|             // For BasicAuth routes we know the password cannot change without | ||||
|             // a restart of Node-RED. This means we can cache the provided crypted | ||||
|             // version to save recalculating each time. | ||||
|             if (localCachedPassword === p) { | ||||
|                 return true; | ||||
|             } | ||||
|             var result = checkPassword(p); | ||||
|             if (result) { | ||||
|                 localCachedPassword = p; | ||||
|             } | ||||
|             return result; | ||||
|         } | ||||
|  | ||||
|         return function(req,res,next) { | ||||
|             if (req.method === 'OPTIONS') { | ||||
|                 return next(); | ||||
|             } | ||||
|             var requestUser = basicAuth(req); | ||||
|             if (!requestUser || requestUser.name !== user || !checkPasswordAndCache(requestUser.pass)) { | ||||
|                 res.set('WWW-Authenticate', 'Basic realm="Authorization Required"'); | ||||
|                 return res.sendStatus(401); | ||||
|             } | ||||
|             next(); | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     if (settings.httpAdminRoot !== false && settings.httpAdminAuth) { | ||||
|         RED.log.warn(RED.log._("server.httpadminauth-deprecated")); | ||||
|         app.use(settings.httpAdminRoot, basicAuthMiddleware(settings.httpAdminAuth.user,settings.httpAdminAuth.pass)); | ||||
|     } | ||||
|  | ||||
|     if (settings.httpAdminRoot !== false) { | ||||
|         app.use(settings.httpAdminRoot,RED.httpAdmin); | ||||
|     } | ||||
|     if (settings.httpNodeRoot !== false && settings.httpNodeAuth) { | ||||
|         app.use(settings.httpNodeRoot,basicAuthMiddleware(settings.httpNodeAuth.user,settings.httpNodeAuth.pass)); | ||||
|     } | ||||
|     if (settings.httpNodeRoot !== false) { | ||||
|         app.use(settings.httpNodeRoot,RED.httpNode); | ||||
|     } | ||||
|     if (settings.httpStatic) { | ||||
|         settings.httpStaticAuth = settings.httpStaticAuth || settings.httpAuth; | ||||
|         if (settings.httpStaticAuth) { | ||||
|             app.use("/",basicAuthMiddleware(settings.httpStaticAuth.user,settings.httpStaticAuth.pass)); | ||||
|         } | ||||
|         app.use("/",express.static(settings.httpStatic)); | ||||
|     } | ||||
|  | ||||
|     function getListenPath() { | ||||
|         var port = settings.serverPort; | ||||
|         if (port === undefined){ | ||||
|             port = settings.uiPort; | ||||
|         } | ||||
|  | ||||
|         var listenPath = 'http'+(settings.https?'s':'')+'://'+ | ||||
|                         (settings.uiHost == '::'?'localhost':(settings.uiHost == '0.0.0.0'?'127.0.0.1':settings.uiHost))+ | ||||
|                         ':'+port; | ||||
|         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") { | ||||
|                     RED.log.error(RED.log._("server.unable-to-listen", {listenpath:getListenPath()})); | ||||
|                     RED.log.error(RED.log._("server.port-in-use")); | ||||
|                 } else { | ||||
|                     RED.log.error(RED.log._("server.uncaught-exception")); | ||||
|                     if (err.stack) { | ||||
|                         RED.log.error(err.stack); | ||||
|                     } else { | ||||
|                         RED.log.error(err); | ||||
|                     } | ||||
|                 } | ||||
|                 process.exit(1); | ||||
|             }); | ||||
|             server.listen(settings.uiPort,settings.uiHost,function() { | ||||
|                 if (settings.httpAdminRoot === false) { | ||||
|                     RED.log.info(RED.log._("server.admin-ui-disabled")); | ||||
|                 } | ||||
|                 settings.serverPort = server.address().port; | ||||
|                 process.title = parsedArgs.title || 'node-red'; | ||||
|                 RED.log.info(RED.log._("server.now-running", {listenpath:getListenPath()})); | ||||
|             }); | ||||
|         } else { | ||||
|             RED.log.info(RED.log._("server.headless-mode")); | ||||
|         } | ||||
|     }).otherwise(function(err) { | ||||
|         RED.log.error(RED.log._("server.failed-to-start")); | ||||
|         if (err.stack) { | ||||
|             RED.log.error(err.stack); | ||||
|         } else { | ||||
|             RED.log.error(err); | ||||
|         } | ||||
|     }); | ||||
|  | ||||
|     process.on('uncaughtException',function(err) { | ||||
|         util.log('[red] Uncaught Exception:'); | ||||
|         if (err.stack) { | ||||
|             util.log(err.stack); | ||||
|         } else { | ||||
|             util.log(err); | ||||
|         } | ||||
|         process.exit(1); | ||||
|     }); | ||||
|  | ||||
|     process.on('SIGINT', function () { | ||||
|         RED.stop().then(function() { | ||||
|             process.exit(); | ||||
|         }); | ||||
|     }); | ||||
| }); | ||||
|   | ||||
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