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author | Matthew Strapp <msattr@gmail.com> | 2021-04-16 12:58:44 -0500 |
---|---|---|
committer | Matthew Strapp <msattr@gmail.com> | 2021-04-16 12:58:44 -0500 |
commit | 43865930f8580f6fe97ea9f54686a1b805358a6d (patch) | |
tree | 67a884ca82ab1c393baeb87059847fed7ff1cc03 | |
parent | I don't get Express routers (diff) | |
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Get started on DB work, still needs much work
-rw-r--r-- | csci4131/hw6/strap012_hw6/api/utilities.js | 33 | ||||
-rw-r--r-- | csci4131/hw6/strap012_hw6/dbio.js | 71 | ||||
-rw-r--r-- | csci4131/hw6/strap012_hw6/index.js | 6 | ||||
-rw-r--r-- | csci4131/hw6/strap012_hw6/login.html | 38 |
4 files changed, 142 insertions, 6 deletions
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> |