week3.2 fetch, authentication and database

-

//time stamp16:48 creating fetch API code*
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        function getAnimalData() {
            fetch("https://fakerapi.it/api/v1/persons")
        .then(function (response) {
                response.json()
                    .then(function (finalData) {
                        console.log(finalData);
                    })
            })
            }
    </script>
    <button onclick="getAnimalData()">Get Animal Data</button>
</body>
</html>
 Time-stamped 1:03
//authenticaation **
const express = require("express");
const jwt = require("jsonwebtoken");
const jwtPassword = require("123456");

const app = express();

const ALL_USERS = [
    {
        username: "harkirat@gmail.com.",
        password: "123",
        name: "Harkirat Singh"
    },
    {
        username: "snehasinah@gmail.com.",
        password: "12453",
        name: "Sneha Singh"
    },
    {
        username: "priyakumar@gmail.com.",
        password: "123321",
        name: "Priya kumari"
    },
];


function userExists(username, password) {
    // write logic to red turue and false if this user eixts
    // in ALL_ USERS array
    const userExists = ture;
    for (let i = 0; i < ALL_USERS.length; i++) {
        if (ALL_USERS[i].username === username && ALL_USERS[i].password == password) {
            userExists = true;
        }
    }
}


app.post("/signin", function (req, res) {
    const username = req.body.username;
    const password = req.body.password;

    if (!userExists(username, password)) {
        return res.status(403).json({
            msg: "User dosenot esits in our server",
        });
    }

    var token = jwt.sign({ username: username }, jwtPassword);
    return res.json({
        token,
    });
});

app.get("/users", function (req, res) {
    const token = req.header.authorization;
    try {
        const decoded = jwt.verify(token, jwtPassword);
        const username = decoded.username;
        // return a list of users other than this username
    } catch (err) {
        return res.status(403).json({
            msg: "Invalid Token",
        });
    }
});

app.listen(3000);


// take user passpord
const express = require("express");
const jwt = require("jsonwebtoken");
const mongoose = require("mongoose");
const jwtPassword = "123456";

mongoose.connect(
  "your_mongo_url",
);

const User = mongoose.model("User", {
  name: String,
  username: String,
  pasword: String,
});

const app = express();
app.use(express.json());

function userExists(username, password) {
  // should check in the database
}

app.post("/signin", async function (req, res) {
  const username = req.body.username;
  const password = req.body.password;

  if (!userExists(username, password)) {
    return res.status(403).json({
      msg: "User doesnt exist in our in memory db",
    });
  }

  var token = jwt.sign({ username: username }, "shhhhh");
  return res.json({
    token,
  });
});

app.get("/users", function (req, res) {
  const token = req.headers.authorization;
  try {
    const decoded = jwt.verify(token, jwtPassword);
    const username = decoded.username;
    // return a list of users other than this username from the database
  } catch (err) {
    return res.status(403).json({
      msg: "Invalid token",
    });
  }
});

app.listen(3000);


//nosql database*

const mongoose = require("mongoose");


mongoose.connect("mongodb+srv://luciferdk:noNQzfSoBo6C56GH@cluster2.c277dmn.mongodb.net/bobo");

const User = mongoose.model('Users', { name: String, email: String, password: String });

const user = new User({ 
    name: 'Dhrup Kumar Sinha',
    email: 'dhrupkumarsinha.com',
    password: '9162453441' });

user.save();


//trying operation to push data on mongodb *
const express = require("express");
const mongoose = require("mongoose");
const app = express();
app.use(express.json())
// const { string } = require("zod");

mongoose.connect("mongodb+srv://luciferdk:noNQzfSoBo6C56GH@cluster2.c277dmn.mongodb.net/bobo");

const User = mongoose.model('Users', { name: String, email: String, password: String });

app.post("/signup", async function(req, res) {
    const username = req.body.username;
    const password = req.body.password;
    const name = req.body.name;


    const existingUser = await User.findOne({email:username});
    if (existingUser) {
        return res.status(400).send("Username Already exists");
    }

    const user = new User({ 
        name: name,
        email: username,
        password: password
});

user.save();

res.json({
    msg: "User Create Successfully"
})
})

Comments

Post a Comment

Popular posts from this blog

CyberSecurity

-
 # 🔒 CYBERSECURITY A TO Z - COMPLETE GUIDE (0 to 100) # Everything You Need to Know About Cybersecurity - From Noob to Pro ================================================================================ TABLE OF CONTENTS ================================================================================ 1. CYBERSECURITY FUNDAMENTALS 2. COMMON THREATS & ATTACKS 3. AUTHENTICATION & AUTHORIZATION 4. ENCRYPTION & CRYPTOGRAPHY 5. NETWORK SECURITY 6. WEB APPLICATION SECURITY 7. DATABASE SECURITY 8. API SECURITY 9. CLOUD SECURITY 10. INCIDENT RESPONSE 11. COMPLIANCE & STANDARDS 12. SECURITY TESTING 13. SECURE CODING PRACTICES 14. DEPLOYMENT SECURITY 15. MONITORING & DETECTION 16. REAL-WORLD IMPLEMENTATIONS ================================================================================ 1. CYBERSECURITY FUNDAMENTALS ================================================================================ WHAT IS CYBERSECURITY? Protection of computer systems, networks, and data fr...
Read more

VERTICAL SCALING 💋

-
 # 🚀 VERTICAL SCALING - COMPLETE GUIDE (0 to 100) # Everything You Need to Know About Vertical Scaling in JavaScript/TypeScript ================================================================================ TABLE OF CONTENTS ================================================================================ 1. WHAT IS VERTICAL SCALING? 2. VERTICAL VS HORIZONTAL SCALING 3. NODEJS CLUSTERING 4. LOAD BALANCING 5. MEMORY OPTIMIZATION 6. CPU OPTIMIZATION 7. DATABASE OPTIMIZATION 8. CACHING STRATEGIES 9. CONNECTION POOLING 10. RATE LIMITING 11. COMPRESSION & GZIP 12. WORKER THREADS 13. MONITORING & PROFILING 14. PRODUCTION DEPLOYMENT 15. COMPLETE EXAMPLES 16. TROUBLESHOOTING ================================================================================ 1. WHAT IS VERTICAL SCALING? ================================================================================ VERTICAL SCALING (Scale Up): Increasing the power of a single server. More CPU cores, more RAM, faster storage, better ...
Read more

prisma using in project idx 13.3

-
Okay, let's troubleshoot why you might be unable to use the Prisma schema in your Project IDX workspace. Here's a breakdown of common reasons and how to fix them: 1. Prisma is not installed Problem:  Prisma might not be installed in your IDX environment. Solution:  You'll need to add it to your  .idx/dev.nix  file, like this: nix { pkgs, ... }: { # ... other configurations packages = [ # ... other packages pkgs.nodePackages.prisma ]; # ... rest of your configuration } lua (auto) Once you add this line and  rebuild the environment  by clicking the popup message, IDX will install  prisma  and make it available in your workspace. 2. The Prisma CLI is not accessible Problem:  After installation, you might need to explicitly call the Prisma CLI using its full path or use  npx . Solution:  When running Prisma commands in your terminal (in IDX), use  npx prisma  (e.g.,  npx prisma migrate dev ) or ...
Read more