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node-red/red/api/index.js

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/**
* Copyright 2014, 2016 IBM Corp.
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*
* 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 express = require("express");
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var bodyParser = require("body-parser");
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var util = require('util');
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var path = require('path');
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var passport = require('passport');
var when = require('when');
var cors = require('cors');
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var ui = require("./ui");
var nodes = require("./nodes");
var flows = require("./flows");
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var flow = require("./flow");
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var library = require("./library");
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var info = require("./info");
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var theme = require("./theme");
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var locales = require("./locales");
var credentials = require("./credentials");
var comms = require("./comms");
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var auth = require("./auth");
var needsPermission = auth.needsPermission;
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var i18n;
var log;
var adminApp;
var nodeApp;
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var server;
var runtime;
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var errorHandler = function(err,req,res,next) {
if (err.message === "request entity too large") {
log.error(err);
} else {
console.log(err.stack);
}
log.audit({event: "api.error",error:err.code||"unexpected_error",message:err.toString()},req);
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res.status(400).json({error:"unexpected_error", message:err.toString()});
};
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var ensureRuntimeStarted = function(req,res,next) {
if (!runtime.isStarted()) {
log.error("Node-RED runtime not started");
res.status(503).send("Not started");
} else {
next();
}
}
function init(_server,_runtime) {
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server = _server;
runtime = _runtime;
var settings = runtime.settings;
i18n = runtime.i18n;
log = runtime.log;
if (settings.httpNodeRoot !== false) {
nodeApp = express();
}
if (settings.httpAdminRoot !== false) {
comms.init(server,runtime);
adminApp = express();
auth.init(runtime);
credentials.init(runtime);
flows.init(runtime);
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flow.init(runtime);
info.init(runtime);
library.init(adminApp,runtime);
locales.init(runtime);
nodes.init(runtime);
// Editor
if (!settings.disableEditor) {
ui.init(runtime);
var editorApp = express();
if (settings.requireHttps === true) {
editorApp.enable('trust proxy');
editorApp.use(function (req, res, next) {
if (req.secure) {
next();
} else {
res.redirect('https://' + req.headers.host + req.originalUrl);
}
});
}
editorApp.get("/",ensureRuntimeStarted,ui.ensureSlash,ui.editor);
editorApp.get("/icons/:icon",ui.icon);
theme.init(runtime);
if (settings.editorTheme) {
editorApp.use("/theme",theme.app());
}
editorApp.use("/",ui.editorResources);
adminApp.use(editorApp);
}
var maxApiRequestSize = settings.apiMaxLength || '5mb';
adminApp.use(bodyParser.json({limit:maxApiRequestSize}));
adminApp.use(bodyParser.urlencoded({limit:maxApiRequestSize,extended:true}));
adminApp.get("/auth/login",auth.login,errorHandler);
if (settings.adminAuth) {
//TODO: all passport references ought to be in ./auth
adminApp.use(passport.initialize());
adminApp.post("/auth/token",
auth.ensureClientSecret,
auth.authenticateClient,
auth.getToken,
auth.errorHandler
);
adminApp.post("/auth/revoke",needsPermission(""),auth.revoke,errorHandler);
}
if (settings.httpAdminCors) {
var corsHandler = cors(settings.httpAdminCors);
adminApp.use(corsHandler);
}
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// Flows
adminApp.get("/flows",needsPermission("flows.read"),flows.get,errorHandler);
adminApp.post("/flows",needsPermission("flows.write"),flows.post,errorHandler);
adminApp.get("/flow/:id",needsPermission("flows.read"),flow.get,errorHandler);
adminApp.post("/flow",needsPermission("flows.write"),flow.post,errorHandler);
adminApp.delete("/flow/:id",needsPermission("flows.write"),flow.delete,errorHandler);
adminApp.put("/flow/:id",needsPermission("flows.write"),flow.put,errorHandler);
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// Nodes
adminApp.get("/nodes",needsPermission("nodes.read"),nodes.getAll,errorHandler);
adminApp.post("/nodes",needsPermission("nodes.write"),nodes.post,errorHandler);
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adminApp.get(/\/nodes\/((@[^\/]+\/)?[^\/]+)$/,needsPermission("nodes.read"),nodes.getModule,errorHandler);
adminApp.put(/\/nodes\/((@[^\/]+\/)?[^\/]+)$/,needsPermission("nodes.write"),nodes.putModule,errorHandler);
adminApp.delete(/\/nodes\/((@[^\/]+\/)?[^\/]+)$/,needsPermission("nodes.write"),nodes.delete,errorHandler);
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adminApp.get(/\/nodes\/((@[^\/]+\/)?[^\/]+)\/([^\/]+)$/,needsPermission("nodes.read"),nodes.getSet,errorHandler);
adminApp.put(/\/nodes\/((@[^\/]+\/)?[^\/]+)\/([^\/]+)$/,needsPermission("nodes.write"),nodes.putSet,errorHandler);
adminApp.get('/credentials/:type/:id', needsPermission("credentials.read"),credentials.get,errorHandler);
adminApp.get(/locales\/(.+)\/?$/,locales.get,errorHandler);
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// Library
adminApp.post(new RegExp("/library/flows\/(.*)"),needsPermission("library.write"),library.post,errorHandler);
adminApp.get("/library/flows",needsPermission("library.read"),library.getAll,errorHandler);
adminApp.get(new RegExp("/library/flows\/(.*)"),needsPermission("library.read"),library.get,errorHandler);
// Settings
adminApp.get("/settings",needsPermission("settings.read"),info.settings,errorHandler);
// Error Handler
//adminApp.use(errorHandler);
}
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}
function start() {
return i18n.registerMessageCatalog("editor",path.resolve(path.join(__dirname,"locales")),"editor.json").then(function(){
comms.start();
});
}
function stop() {
comms.stop();
return when.resolve();
}
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module.exports = {
init: init,
start: start,
stop: stop,
library: {
register: library.register
},
auth: {
needsPermission: auth.needsPermission
},
comms: {
publish: comms.publish
},
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get adminApp() { return adminApp; },
get nodeApp() { return nodeApp; },
get server() { return server; }
};