start hw6

8 files changed, 285 insertions, 0 deletions

diff --git a/csci4131/hw6/strap012_hw6/README.txt b/csci4131/hw6/strap012_hw6/README.txt
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+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
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+++ b/csci4131/hw6/strap012_hw6/api/utilities.js
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+const express = require('express')

+const router = express.Router()

+

+router.get('/contacts', function (req, res) {

+    // TODO: Implement code to fetch contacts from the database

+});

+

+// TODO: Add implementation for other necessary end-points

+

+module.exports = router;
\ No newline at end of file
diff --git a/csci4131/hw6/strap012_hw6/create_accounts_table.js b/csci4131/hw6/strap012_hw6/create_accounts_table.js
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index 0000000..61b2602
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+++ 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/index.js b/csci4131/hw6/strap012_hw6/index.js
new file mode 100644
index 0000000..a81fbd1
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+++ b/csci4131/hw6/strap012_hw6/index.js
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+// 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 9002 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) {
+    // TODO: Add Implementation
+});
+
+// TODO: Add implementation for other necessary end-points
+
+// 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();
+});
\ No newline at end of file
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/package.json b/csci4131/hw6/strap012_hw6/package.json
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+++ b/csci4131/hw6/strap012_hw6/package.json
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+{
+  "name": "strap012_hw6",
+  "version": "1.0.0",
+  "description": "Assignment 6",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "strap012",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.17.1"
+  }
+}
diff --git a/csci4131/hw6/strap012_hw6/public/welcome.html b/csci4131/hw6/strap012_hw6/public/welcome.html
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+++ b/csci4131/hw6/strap012_hw6/public/welcome.html
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+<!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>
+    <link rel="stylesheet" type="text/css" href="/css/style.css">
+    <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>