12 files changed, 712 insertions, 0 deletions
diff --git a/csci4131/hw6/strap012_hw6/README.txt b/csci4131/hw6/strap012_hw6/README.txt
new file mode 100644
index 0000000..e056441
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/README.txt
@@ -0,0 +1,2 @@
+username: charlie
+password: tango
+\ No newline at end of file
diff --git a/csci4131/hw6/strap012_hw6/api/utilities.js b/csci4131/hw6/strap012_hw6/api/utilities.js
new file mode 100644
index 0000000..65a087f
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/api/utilities.js
@@ -0,0 +1,48 @@
+const express = require('express')
+const db = require ('../dbio')
+const router = express.Router()
+router.use(express.urlencoded({ extended: true }))
+
+router.get('/contacts', function (req, res) {
+    db.getContacts().then(function(table) {
+		res.send(table)
+	});
+});
+
+router.post('/login', async function(req, res) {
+	var loginInfo = req.body;
+	var login = loginInfo.login;
+	var pwd = loginInfo.password;
+	let rows = [];
+	
+	// Query the database tbl_login with login and hashed password
+	db.query(login, pwd).then(function(rows) {
+		// Provided there is no error, and the results set is assigned to a variable named rows:
+		if (rows.length >= 1) {// the length should be 0 or 1, but this will work for now 
+			//success, set the session, return success
+			req.session.user = login;
+			res.json({ status: 'success' });
+		} else {
+			res.json({ status: 'fail' });
+		}
+	}); 
+		
+});
+
+router.get('/logout', function(req, res) {
+	if(!req.session.user) {
+		res.send('Session not started, can not logout!');
+	} else {
+		req.session.destroy();
+		res.redirect('/login');
+	}
+});
+
+router.post('/addContact', function(req, res) {
+	var contact = req.body;
+	db.addContact(contact).then(function() {
+		res.redirect('/contacts');
+	});
+});
+
+module.exports = router;
diff --git a/csci4131/hw6/strap012_hw6/create_accounts_table.js b/csci4131/hw6/strap012_hw6/create_accounts_table.js
new file mode 100644
index 0000000..61b2602
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/create_accounts_table.js
@@ -0,0 +1,41 @@
+/*
+TO DO:
+-----
+READ ALL COMMENTS AND REPLACE VALUES ACCORDINGLY
+*/
+
+const mysql = require("mysql");
+
+const dbCon = mysql.createConnection({
+    host: "cse-mysql-classes-01.cse.umn.edu",
+    user: "C4131S21U83",               // replace with the database user provided to you
+    password: "6919",                  // replace with the database password provided to you
+    database: "C4131S21U83",           // replace with the database user provided to you
+    port: 3306
+});
+
+console.log("Attempting database connection");
+dbCon.connect(function (err) {
+    if (err) {
+        throw err;
+    }
+    console.log("Connected to database!");
+
+    const sql = `CREATE TABLE tbl_accounts (
+        acc_id       INT NOT NULL AUTO_INCREMENT,
+        acc_name     VARCHAR(20),
+        acc_login    VARCHAR(20),
+        acc_password VARCHAR(200),
+        PRIMARY KEY (acc_id)
+    )`;
+    
+    console.log("Attempting to create table: tbl_accounts");
+    dbCon.query(sql, function (err, result) {
+        if (err) {
+            throw err;
+        }
+        console.log("Table tbl_accounts created");
+    });
+
+    dbCon.end();
+});
diff --git a/csci4131/hw6/strap012_hw6/create_contacts_table.js b/csci4131/hw6/strap012_hw6/create_contacts_table.js
new file mode 100644
index 0000000..bcad389
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/create_contacts_table.js
@@ -0,0 +1,44 @@
+/*
+TO DO:
+-----
+READ ALL COMMENTS AND REPLACE VALUES ACCORDINGLY
+*/
+
+const mysql = require("mysql");
+
+const dbCon = mysql.createConnection({
+    host: "cse-mysql-classes-01.cse.umn.edu",
+    user: "C4131S21U83",               // replace with the database user provided to you
+    password: "6919",                  // replace with the database password provided to you
+    database: "C4131S21U83",           // replace with the database user provided to you
+    port: 3306
+});
+
+console.log("Attempting database connection");
+dbCon.connect(function (err) {
+    if (err) {
+        throw err;
+    }
+    console.log("Connected to database!");
+
+    const sql = `CREATE TABLE tbl_contacts (
+        contact_id   INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
+        name         VARCHAR(30),
+        category     VARCHAR(40),
+        location     VARCHAR(300),
+        contact_info VARCHAR(200),
+        email        VARCHAR(30),
+        website      VARCHAR(300),
+        website_url  VARCHAR(300)
+    )`;
+
+    console.log("Attempting to create table: tbl_contacts");
+    dbCon.query(sql, function (err, result) {
+        if (err) {
+            throw err;
+        }
+        console.log("Table tbl_accounts created");
+    });
+
+    dbCon.end();
+});
diff --git a/csci4131/hw6/strap012_hw6/dbio.js b/csci4131/hw6/strap012_hw6/dbio.js
new file mode 100644
index 0000000..302334b
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/dbio.js
@@ -0,0 +1,74 @@
+var mysql = require("mysql");
+var bcrypt = require("bcrypt");
+
+var connection = mysql.createConnection({
+  host: "cse-mysql-classes-01.cse.umn.edu",
+    user: "C4131S21U83",              
+    password: "6919",                  
+    database: "C4131S21U83",           
+    port: 3306
+});
+
+connection.connect(function(err) {
+  if (err) {
+    throw err;
+  };
+  console.log("Connected to MYSQL database!");
+});
+
+function passcheck(user,pass) {
+	return new Promise(function(resolve, reject) {
+		connection.query('SELECT * FROM tbl_accounts', function(err, rows, fields) {
+			let ret = [];
+			if (err) {
+				return reject(err);
+			}
+			for (var i = 0; i < rows.length; i++) {
+				if (rows[i].acc_login.localeCompare(user) === 0) {
+					if (bcrypt.compareSync(pass, rows[i].acc_password)) {
+						ret += rows[i];
+					}
+				}
+			}
+			resolve(ret);
+		});
+	});
+}
+
+function getContacts() {
+	return new Promise (function(resolve, reject) {
+		let conTab = []
+		connection.query('SELECT * FROM tbl_contacts', function (err, rows, fields) {
+			if (err) {
+				return reject(err);
+			}
+			resolve(rows);
+		});
+	});
+}
+
+function addContacts(contact) {
+	let newCon = {
+		name: contact.name,
+		category: contact.category,
+		location: contact.location,
+		contact_info: contact.contact,
+		email: contact.email,
+		website_url: contact.website_name,
+	}
+	return new Promise(function(resolve, reject) {
+		connection.query('INSERT tbl_contacts SET ?', newCon, function (err, result) {  //Parameterized insert
+			if (err) throw err;
+			console.log("Values inserted");
+			resolve();
+		});
+	});
+	
+}
+
+
+
+  
+exports.addContact = addContacts;
+exports.query = passcheck;
+exports.getContacts = getContacts;
diff --git a/csci4131/hw6/strap012_hw6/index.js b/csci4131/hw6/strap012_hw6/index.js
new file mode 100644
index 0000000..851b096
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/index.js
@@ -0,0 +1,109 @@
+// YOU CAN USE THIS FILE AS REFERENCE FOR SERVER DEVELOPMENT
+const createError = require('http-errors');
+
+// Include the express module
+const express = require('express');
+
+// helps in extracting the body portion of an incoming request stream
+var bodyparser = require('body-parser');
+
+// Path module - provides utilities for working with file and directory paths.
+const path = require('path');
+
+// Helps in managing user sessions
+const session = require('express-session');
+
+// include the mysql module
+var mysql = require('mysql');
+
+// Bcrypt library for comparing password hashes
+const bcrypt = require('bcrypt');
+
+// Include the express router. 
+const utilities = require('./api/utilities');
+
+const port = 9001;
+
+// create an express application
+const app = express();
+
+// Use express-session
+// In-memory session is sufficient for this assignment
+app.use(session({
+        secret: "csci4131secretkey",
+        saveUninitialized: true,
+        resave: false
+    }
+));
+
+// middle ware to serve static files
+app.use(express.static(path.join(__dirname, 'public')));
+
+// server listens on port for incoming connections
+app.listen(port, () => console.log('Listening on port', port));
+
+app.get('/', function (req, res) {
+    res.sendFile(path.join(__dirname, 'public/welcome.html'));
+});
+
+// GET method route for the contacts page.
+// It serves contact.html present in public folder
+app.get('/contacts', function(req, res) {
+    if(!req.session.user) {
+        res.redirect('/login');
+    } else {
+        res.sendFile(path.join(__dirname, 'public/contacts.html'));
+    }
+});
+
+app.get('/stocks', function(req, res) {
+    res.redirect('/stock');
+})
+
+app.get('/stock', function (req, res) {
+    if (!req.session.user) {
+        res.redirect('/login');
+    } else {
+        res.sendFile(path.join(__dirname, 'public/stock.html'));
+    }
+});
+
+app.get('/addContact', function (req, res) {
+    if (!req.session.user) {
+        res.redirect('/login');
+    } else {
+        res.sendFile(path.join(__dirname, 'public/addContact.html'));
+    }
+});
+
+app.get('/login', function (req, res) {
+    if (req.session.user) {
+        res.redirect('/contacts');
+    } else {
+        res.sendFile(path.join(__dirname, 'login.html'));
+    }
+});
+
+app.get('/logout', function(req, res) {
+    res.redirect('/api/logout')
+});
+
+// Makes Express use a router called utilities
+app.use('/api', utilities);
+
+// function to return the 404 message and error to client
+app.use(function (req, res, next) {
+    next(createError(404));
+});
+
+// error handler
+app.use(function (err, req, res, next) {
+    // set locals, only providing error in development
+    res.locals.message = err.message;
+    res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+    // render the error page
+    res.status(err.status || 500);
+    // res.render('error');
+    res.send();
+});
diff --git a/csci4131/hw6/strap012_hw6/insert_into_accounts_table.js b/csci4131/hw6/strap012_hw6/insert_into_accounts_table.js
new file mode 100644
index 0000000..3157ce3
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/insert_into_accounts_table.js
@@ -0,0 +1,45 @@
+/*
+TO DO:
+-----
+READ ALL COMMENTS AND REPLACE VALUES ACCORDINGLY
+*/
+
+const mysql = require("mysql");
+const bcrypt = require('bcrypt');
+
+const dbCon = mysql.createConnection({
+    host: "cse-mysql-classes-01.cse.umn.edu",
+    user: "C4131S21U83",               // replace with the database user provided to you
+    password: "6919",                  // replace with the database password provided to you
+    database: "C4131S21U83",           // replace with the database user provided to you
+    port: 3306
+});
+
+console.log("Attempting database connection");
+dbCon.connect(function (err) {
+    if (err) {
+        throw err;
+    }
+
+    console.log("Connected to database!");
+
+    const saltRounds = 10;
+    const myPlaintextPassword = 'tango'; // replace with password chosen by you OR retain the same value
+    const passwordHash = bcrypt.hashSync(myPlaintextPassword, saltRounds);
+
+    const rowToBeInserted = {
+        acc_name: 'charlie',            // replace with acc_name chosen by you OR retain the same value
+        acc_login: 'charlie',           // replace with acc_login chosen by you OR retain the same value
+        acc_password: passwordHash      
+    };
+
+    console.log("Attempting to insert record into tbl_accounts");
+    dbCon.query('INSERT tbl_accounts SET ?', rowToBeInserted, function (err, result) {
+        if (err) {
+            throw err;
+        }
+        console.log("Table record inserted!");
+    });
+
+    dbCon.end();
+});
diff --git a/csci4131/hw6/strap012_hw6/login.html b/csci4131/hw6/strap012_hw6/login.html
new file mode 100644
index 0000000..9bb80cc
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/login.html
@@ -0,0 +1,48 @@
+<html>
+
+<head>
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
+    <script src="https://code.jquery.com/jquery-2.2.4.min.js"integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script>
+    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
+</head>
+
+<body>
+    <div class="jumbotron" style="background: DarkSeaGreen !important">
+        <h1>Login Page</h1>
+        <div id="error"></div>
+        <br><br>
+    <form id="myForm" name="myForm" style="list-style-type:none">
+        <div>
+            <label for="login">login:</label>
+                <input type="text" id="login" name="login" required>
+        </div>
+        <div>
+            <label for="password">password:</label>
+                <input id="password" name="password" type="password" required>
+        </div>
+        <input type="submit"value="Submit!">
+    </form>
+    </div>
+    <script>
+        //jQuery below. Tread with caution as sneezing near here may rupture the fabric of reality.
+        $(document).ready(function () { 
+            $('#myForm').submit(function (event) { 
+                event.preventDefault();//collect the form data using Id Selector for whatever data you need to send to server
+                let login=$('#login').val();
+                let password=$('#password').val();
+                $.post('api/login',
+                {"login": login,"password": password},
+                (data) => {
+                    if(data.status === 'success'){
+                        //pseudo code
+                        //Make sure error message is not displayed
+                        //Re-direct to contacts page,
+                        window.location.href='contacts';}
+                    else{
+                    //Display error message
+                    $('#error').html("<b>Login failed. Please try again.</b>")
+                }});
+            });
+        });</script>
+
+</html>
diff --git a/csci4131/hw6/strap012_hw6/package.json b/csci4131/hw6/strap012_hw6/package.json
new file mode 100644
index 0000000..db9cf8f
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "strap012_hw6",
+  "version": "1.0.0",
+  "description": "Assignment 6",
+  "main": "index.js",
+  "scripts": {
+    "test": "node index.js"
+  },
+  "author": "strap012",
+  "license": "ISC",
+  "dependencies": {
+    "bcrypt": "^5.0.1",
+    "body-parser": "^1.19.0",
+    "express": "^4.17.1",
+    "express-session": "^1.17.1",
+    "mysql": "^2.18.1"
+  }
+}
diff --git a/csci4131/hw6/strap012_hw6/public/addContact.html b/csci4131/hw6/strap012_hw6/public/addContact.html
new file mode 100644
index 0000000..629f9b2
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/public/addContact.html
@@ -0,0 +1,106 @@
+<!doctype html>
+<html lang="en">
+
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
+    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
+    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
+  </head>
+
+  <body>
+    <nav class="navbar navbar-default">
+     	<div class="container-fluid">
+        <ul class="nav navbar-nav">
+          <li><a href="/"><b>Home</b></a></li>
+          <li><a href="contacts"><b>Contacts</b></a></li>
+          <li><a href="addContact"><b>Add Contact</b></a></li>
+          <li><a href="stock"><b>Stock Page</b></a></li>
+          <li><a href="logout"><b>Logout</b></a></li>
+        </ul>
+    	</div>
+  	</nav>
+    <br><br>
+
+    <div class="container">
+      <div class="row">
+        <p><br /></p>
+      </div>
+
+      <div class="row">
+        <div class="col-md-4"></div>
+        <div class="col-md-4">
+          <div class="panel panel-default">
+            <form name="addContact" method="post" action="/api/addContact">
+              <p></p>
+              <table class="table table-bordered table-hover">
+                <tbody>
+                  <tr>
+                    <td class="col-md-6">Name</td>
+                    <td class="col-md-6">
+                      <div class="form-group">
+                        <input type="text" class="form-control" name="name" required>
+                      </div>
+                    </td>
+                  </tr>
+                  <tr>
+                    <td class="col-md-6">Category</td>
+                    <td class="col-md-6">
+                      <div class="form-group">
+                          <select class="form-control" name="category">
+                              <option>Personal</option>
+                              <option>Academic</option>
+                              <option>Industry</option>
+                          </select>
+                      </div>
+                    </td>
+                  </tr>
+                  <tr>
+                    <td class="col-md-6">Location</td>
+                    <td class="col-md-6">
+                      <div class="form-group">
+                        <input type="text" class="form-control" name="location" required>
+                      </div>
+                    </td>
+                  </tr>
+                  <tr>
+                    <td class="col-md-6">Contact Information</td>
+                    <td class="col-md-6">
+                      <div class="form-group">
+                        <input type="text" class="form-control" name="contact" required>
+                      </div>
+                    </td>
+                  </tr>
+                  <tr>
+                    <td class="col-md-6">Email</td>
+                    <td class="col-md-6">
+                      <div class="form-group">
+                        <input type="email" class="form-control" name="email" required>
+                      </div>
+                    </td>
+                  </tr>
+                  <tr>
+                    <td class="col-md-6">Website Name</td>
+                    <td class="col-md-6">
+                      <div class="form-group">
+                        <input type="url" class="form-control" name="website_name" required maxlength="100">
+                      </div>
+                    </td>
+                  </tr>
+                  <tr>
+                      <td class="col-md-6"></td>
+                      <td class="col-md-6">
+                          <input type="submit" value="Submit">
+                      </td>
+                  </tr>
+                </tbody>
+              </table>
+            </form>
+          </div>
+        </div>
+        <div class="col-md-4"></div>
+      </div>
+    </div>
+  </body>
+</html>
diff --git a/csci4131/hw6/strap012_hw6/public/stock.html b/csci4131/hw6/strap012_hw6/public/stock.html
new file mode 100644
index 0000000..d63b233
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/public/stock.html
@@ -0,0 +1,124 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
+  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
+  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
+  <style>
+      pre {
+        max-height: 12em;
+      }
+      textarea {
+          width: 100%;
+          min-height: 30rem;
+          background-color: black;
+          font-family: "Lucida Console", Monaco, monospace;
+          font-size: 0.75 rem;
+          line-height: 1.2;
+          color: #fff;
+      }
+  </style>
+</head>
+
+<body>
+  <nav class="navbar navbar-default">
+   	<div class="container-fluid">
+      <ul class="nav navbar-nav">
+          <li><a href="/"><b>Home</b></a></li>
+          <li><a href="contacts"><b>Contacts</b></a></li>
+          <li><a href="addContact"><b>Add Contact</b></a></li>
+          <li><a href="stock"><b>Stock Page</b></a></li>
+          <li><a href="logout"><b>Logout</b></a></li>
+      </ul>
+  	</div>
+	</nav>
+  <br><br>
+
+  <div class="container">
+    <div class="panel panel-default">
+      <div class="panel-body"><center>Welcome to Stock Page</center></div>
+    </div>
+  </div>
+
+  <div class="container">
+    <div class="row">
+      <div class="col">
+        <table class="table table-bordered table-hover">
+          <tbody>
+            <tr>
+              <td class="col-md-6">Company</td>
+              <td class="col-md-6">
+                <div class="form-group">
+                  <select id="Company" name="Company">
+                    <option value="GME">Gamestop</option>
+                    <option value="MSFT">Microsoft</option>
+                    <option value="BA">Boeing Company</option>
+                    <option value="AAPL">Apple Inc</option>
+                    <option value="AMZN">Amazon</option>
+                    <option value="NVDA">NVIDIA Corporation</option>
+                  </select>
+                </div>
+              </td>
+            </tr>
+            <tr>
+              <td colspan="2">
+                <button type="button" onclick="Click()">Get Data</button>
+              </td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+    </div>
+  </div>
+
+  <div class="container">
+      <div id="chartContainer"></div>
+  </div>
+
+  <div class="container">
+    <table class="table" id="StockData">
+      <thead>
+        <tr>
+          <th scope="col" id="meta">Company-MetaData</th>
+          <th scope="col" id="Time">Stock-Info</th>
+        </tr>
+      </thead>
+      <pre>
+      <tbody></tbody>
+      </pre>
+    </table>
+  </div>
+
+  <script>
+    function Click() {
+      var comp = document.getElementById("Company").value;
+      var xmlhttp = new XMLHttpRequest();
+      var url = "https://www.alphavantage.co/query?function=TIME_SERIES_DAILY&symbol=" + comp + "&apikey=8MWSNPDWKH0BTBH2";
+      xmlhttp.onreadystatechange = function () {
+        if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
+          var parse = JSON.parse(xmlhttp.responseText);
+          var table = document.getElementById("StockData").getElementsByTagName("tbody")[0];
+          var row = table.insertRow();
+          for (var i in parse) {
+            var cell = row.insertCell();
+            cell.innerHTML = "<pre>" + JSON.stringify(parse[i], undefined, 2) + "</pre>";
+          }
+        }
+      }
+      xmlhttp.open("GET", url, true);
+      xmlhttp.send();
+
+    }
+   /* TODO:
+   /    Bonus 1. Request the TIME_SERIES_DAILY endpoint of alphavantage API
+   /             for the company selected in the dropdown. Display the JSON
+   /             in the result according to the write up.
+   /    Bonus 2. Take the JSON from the alphavantage API and chart it to a
+   /             line chart using Chart.js to the chartContainer div. Ensure
+   /             the chart meets all requirements from the HW writeup.
+   /*/
+  </script>
+</body>
+</html>
diff --git a/csci4131/hw6/strap012_hw6/public/welcome.html b/csci4131/hw6/strap012_hw6/public/welcome.html
new file mode 100644
index 0000000..095023e
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/public/welcome.html
@@ -0,0 +1,53 @@
+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
+    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
+    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
+    <title>Welcome to Node.js</title>
+    <style type="text/css">
+        .jumbotron {
+            text-align: center;
+        }
+    </style>
+</head>
+
+<body>
+<div class="jumbotron" style="background: DarkSeaGreen !important">
+    <h1>Welcome to Express (Node.js)</h1>
+    <p>The objective of this assignment is to develop a basic website with:</p>
+    <p><b>Express</b> which is a Node.js web application framework.</p>
+    <br/>
+    <p>Following are some useful resources:</p>
+
+    <ul style="list-style-type:none">
+        <li><a href="https://expressjs.com/">Express website</a></li>
+        <li><a href="https://expressjs.com/en/starter/installing.html">Express installation</a></li>
+        <li><a href="https://expressjs.com/en/starter/hello-world.html">Hello world example</a></li>
+        <li><a href="https://expressjs.com/en/starter/basic-routing.html">Basic routing</a></li>
+        <li><a href="https://expressjs.com/en/starter/static-files.html">Serving static files in Express</a></li>
+        <li><a href="https://expressjs.com/en/starter/faq.html">FAQ</a></li>
+        <li><a href="https://expressjs.com/en/guide/routing.html">Routing</a></li>
+        <li><a href="https://expressjs.com/en/4x/api.html">API Reference</a></li>
+        <li><a href="https://expressjs.com/en/resources/books-blogs.html">Books and blogs</a></li>
+        <li><a href="https://docs.npmjs.com/getting-started/what-is-npm">NPM introduction</a></li>
+    </ul>
+
+    <br/>
+    <br/>
+
+</div>
+
+<div class="row">
+    <div class="col-md-1"></div>
+    <div class="col-md-10">
+        <button id="myButton" type="button" class="btn btn-primary btn-block" onclick="location.href ='/login'">
+            Navigate to website
+        </button>
+    </div>
+    <div class="col-md-1"></div>
+</div>
+</body>
+</html>