From 43865930f8580f6fe97ea9f54686a1b805358a6d Mon Sep 17 00:00:00 2001
From: Matthew Strapp <msattr@gmail.com>
Date: Fri, 16 Apr 2021 12:58:44 -0500
Subject: Get started on DB work, still needs much work

---
 csci4131/hw6/strap012_hw6/api/utilities.js | 33 +++++++++++++-
 csci4131/hw6/strap012_hw6/dbio.js          | 71 ++++++++++++++++++++++++++++++
 csci4131/hw6/strap012_hw6/index.js         |  6 +--
 csci4131/hw6/strap012_hw6/login.html       | 38 ++++++++++++++++
 4 files changed, 142 insertions(+), 6 deletions(-)
 create mode 100644 csci4131/hw6/strap012_hw6/dbio.js
 create mode 100644 csci4131/hw6/strap012_hw6/login.html

(limited to 'csci4131')

diff --git a/csci4131/hw6/strap012_hw6/api/utilities.js b/csci4131/hw6/strap012_hw6/api/utilities.js
index eda6e72..8a97d20 100644
--- a/csci4131/hw6/strap012_hw6/api/utilities.js
+++ b/csci4131/hw6/strap012_hw6/api/utilities.js
@@ -1,11 +1,42 @@
 const express = require('express')
+const db = require ('../dbio')
 const router = express.Router()
 
 router.get('/contacts', function (req, res) {
     // TODO: Implement code to fetch contacts from the database
-	res.send("AAAAAAAAAAAA")
+    	table = db.getContacts();
+	res.send("AAAAAAAAAAAA");
 });
 
+
 // TODO: Add implementation for other necessary end-points
+router.post('/login', function(req, res) {
+	var loginInfo = req.body;
+	var login = loginInfo.login;
+	var pwd = loginInfo.password;
+	
+	// Query the database tbl_login with login and hashed password
+	rows = db.query(login,pwd);
+	// 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'});
+		res.send("SUCC");
+	} else
+		res.send("FAIL");
+ 		res.json({status:'fail'});
+	});
+
+router.get('/logout', function(req, res) {
+	if(!req.session.value) {
+		res.send('Session not started, can not logout!');
+	} else {
+		console.log ("Successfully Destroyed Session!");
+		req.session.destroy();
+		res.send("Session Complete!");
+		res.redirect('/login');
+	}
+});
 
 module.exports = router;
diff --git a/csci4131/hw6/strap012_hw6/dbio.js b/csci4131/hw6/strap012_hw6/dbio.js
new file mode 100644
index 0000000..538fa5a
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/dbio.js
@@ -0,0 +1,71 @@
+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) {
+	let ret = '';
+	connection.query('SELECT * FROM tbl_accounts', function(err,rows,fields) {
+		
+		if (err) throw err;
+		if (rows.length == 0) {
+			console.log("There are no entries in the accounts field!");
+		} else {
+			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];
+					}
+				}
+			}
+		}
+	});
+	return ret;
+}
+
+function getContacts() {
+	let conTab = []
+	connection.query('SELECT * FROM tbl_contacts', function(err,rows,fields) {
+		for (let i=0; i<rows.length; i++) {
+			conTab[i] = rows[i];
+		}
+	});
+	return conTab;
+}
+
+// Parameterized Insert
+var rowToBeInserted = {
+    Title: 'A Book', // Dummy Book Name
+    Category: 'General', // Dummy Category Type
+    ISBN : '0000001234'// Dummy 
+  };
+
+//connection.query('INSERT books SET ?', rowToBeInserted, function(err, result) {  //Parameterized insert
+//    if(err) throw err;
+//    console.log("Values inserted");
+//  });
+  
+var Title = 'Another Book';
+var Cat = 'Fiction';
+var ISBN = '0000002345';
+  
+//var sql = 'INSERT INTO books (Title,Category,ISBN) VALUES (' + '"' + Title + '"' + ',' + '"' + Cat + '"' + ',' + '"' + ISBN + '"' + ')';
+//connection.query(sql,function(err,result) {
+//	  if (err) throw err;
+//	  console.log ("Version 2 values inserted");
+//	});
+
+
diff --git a/csci4131/hw6/strap012_hw6/index.js b/csci4131/hw6/strap012_hw6/index.js
index 965b23e..474b165 100644
--- a/csci4131/hw6/strap012_hw6/index.js
+++ b/csci4131/hw6/strap012_hw6/index.js
@@ -76,14 +76,10 @@ app.get('/login', function (req, res) {
     if (req.session.value) {
         res.redirect('/contacts');
     } else {
-        res.sendFile(path.join(__dirname, 'public/login.html'));
+        res.sendFile(path.join(__dirname, 'login.html'));
     }
 });
 
-app.post('/logintry', function(req, res) {
-
-});
-
 // Makes Express use a router called utilities
 app.use('/api', utilities);
 
diff --git a/csci4131/hw6/strap012_hw6/login.html b/csci4131/hw6/strap012_hw6/login.html
new file mode 100644
index 0000000..59e7dfa
--- /dev/null
+++ b/csci4131/hw6/strap012_hw6/login.html
@@ -0,0 +1,38 @@
+<html>
+
+<head>
+    <script src="https://code.jquery.com/jquery-2.2.4.min.js"integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script>
+</head>
+
+<body>
+    <form id="myForm" name="myForm">
+        <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>
+    <script>
+    $(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) => {
+                console.log(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
+            }});});});</script>
+
+</html>
-- 
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