mirror of https://github.com/node-red/node-red.git
83 lines
2.3 KiB
JavaScript
83 lines
2.3 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 express = require('express');
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var util = require('util');
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var crypto = require('crypto');
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var fs = require("fs");
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var app = express();
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var events = require("./events");
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var path = require("path");
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var icon_paths = [path.resolve(__dirname + '/../public/icons')];
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events.on("node-icon-dir",function(dir) {
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icon_paths.push(path.resolve(dir));
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});
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// TODO: nothing here uses settings... so does this need to be a function?
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function setupUI(settings) {
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// Need to ensure the url ends with a '/' so the static serving works
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// with relative paths
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app.get("/",function(req,res) {
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if (req.originalUrl.slice(-1) != "/") {
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res.redirect(req.originalUrl+"/");
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} else {
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req.next();
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}
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});
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var iconCache = {};
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//TODO: create a default icon
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var defaultIcon = path.resolve(__dirname + '/../public/icons/arrow-in.png');
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app.get("/icons/:icon",function(req,res) {
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if (iconCache[req.params.icon]) {
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res.sendfile(iconCache[req.params.icon]);
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} else {
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for (var p=0;p<icon_paths.length;p++) {
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var iconPath = path.join(icon_paths[p],req.params.icon);
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if (fs.existsSync(iconPath)) {
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res.sendfile(iconPath);
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iconCache[req.params.icon] = iconPath;
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return;
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}
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}
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res.sendfile(defaultIcon);
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}
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});
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app.get("/settings", function(req,res) {
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var safeSettings = {
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httpNodeRoot: settings.httpNodeRoot,
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version: settings.version
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};
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res.json(safeSettings);
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});
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app.use("/",express.static(__dirname + '/../public'));
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return app;
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}
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module.exports = setupUI;
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