updated README of Web UI

added express-rate-limit middleware to Web UI
replaced href with ng-href in Admin UI

Merge branch 'develop'

admin/views/settings/costcenter/costcenter.html

@@ -116,7 +116,7 @@
 								<tbody>
 									<tr ng-repeat="costfile in costfiles">
 										<td class="text-center">{{ costfile.id }}</td>
-										<td class="text-center"><a href="./upload/{{costfile.uuid}}"
+										<td class="text-center"><a ng-href="./upload/{{costfile.uuid}}"
 												download="{{costfile.file_name}}">{{ costfile.file_name }}</a>
 										</td>
 										<td class="text-center">{{ costfile.status }}</td>

web/README.md

@@ -13,7 +13,35 @@ nginx-1.18.0 or later
 ## Running in Local environment
 This project is scaffolded using Create React App.
 
-* Install Node.js (https://nodejs.org/) if you do not already have it installed on your machine.
+* Install Node.js via binary archive on Linux
+Download Current Linux Binaries (x64) from https://nodejs.org/en/download/current/
+
+Unzip the binary archive to /usr/local/bin/nodejs, 
+```
+sudo mkdir -p /usr/local/lib/nodejs
+sudo tar -xJvf node-v1x.x.x-linux-x64.tar.xz -C /usr/local/lib/nodejs 
+```
+Using sudo to symlink node, npm, and npx into /usr/bin/:
+```
+sudo ln -s /usr/local/lib/nodejs/node-v1x.x.x-linux-x64/bin/node /usr/bin/node
+```
+```
+sudo ln -s /usr/local/lib/nodejs/node-v1x.x.x-linux-x64/bin/npm /usr/bin/npm
+```
+```
+sudo ln -s /usr/local/lib/nodejs/node-v1x.x.x-linux-x64/bin/npx /usr/bin/npx
+```
+Test installation using
+```
+node -v
+```
+```
+npm version
+```
+```
+npx -v
+```
+
 * Open the “myems/web” directory with your cmd or terminal
 * Run 'sudo npm i --unsafe-perm=true --allow-root'
 This command will download all the necessary dependencies for falcon in the node_modules directory.

web/server.js

@@ -1,11 +1,20 @@
 const compression = require('compression');
 const express = require('express');
-const bodyParser = require('body-parser');
 const path = require('path');
 const app = express();
 app.use(compression());
 app.disable('x-powered-by');
 app.use(express.static(path.join(__dirname, 'build')));
+
+// set up rate limiter: maximum of five requests per minute
+var RateLimit = require('express-rate-limit');
+var limiter = new RateLimit({
+  windowMs: 1*60*1000, // 1 minute
+  max: 5 // limit each IP to 5 requests per windowMs
+});
+// apply rate limiter to all requests
+app.use(limiter);
+
 // need to declare a "catch all" route on your express server
 // that captures all page requests and directs them to the client
 // the react-router do the route part