web-authentication-documentation

Level 1_ databse-matching authentication/app.js

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+// match from database authentication
+require("dotenv").config();
+const express = require("express");
+const cors = require("cors");
+const mongoose = require("mongoose");
+const User = require("./models/user.model");
+
+const app = express();
+const PORT = process.env.PORT || 5000;
+const dbURL = process.env.MONGO_URL;
+
+mongoose
+  .connect(dbURL)
+  .then(() => {
+    console.log("mongodb atlas is connected");
+  })
+  .catch((error) => {
+    console.log(error);
+    process.exit(1);
+  });
+
+app.use(cors());
+app.use(express.urlencoded({ extended: true }));
+app.use(express.json());
+
+app.get("/", (req, res) => {
+  res.sendFile(__dirname + "/./views/index.html");
+});
+
+app.post("/register", async (req, res) => {
+  try {
+    const newUser = new User(req.body);
+    await newUser.save();
+    res.status(201).json(newUser);
+  } catch (error) {
+    res.status(500).json(error.message);
+  }
+});
+
+app.post("/login", async (req, res) => {
+  try {
+    const { email, password } = req.body;
+    const user = await User.findOne({ email: email });
+    if (user && user.password === password) {
+      res.status(200).json({ status: "valid user" });
+    } else {
+      res.status(404).json({ status: "Not valid user" });
+    }
+  } catch (error) {
+    res.status(500).json(error.message);
+  }
+});
+
+// route not found error
+app.use((req, res, next) => {
+  res.status(404).json({
+    message: "route not found",
+  });
+});
+
+//handling server error
+app.use((err, req, res, next) => {
+  res.status(500).json({
+    message: "something broke",
+  });
+});
+
+app.listen(PORT, () => {
+  console.log(`server is running at http://localhost:${PORT}`);
+});

Level 1_ databse-matching authentication/models/user.model.js

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+const mongoose = require("mongoose");
+
+const userSchema = new mongoose.Schema({
+  email: {
+    type: String,
+    require: true,
+  },
+  password: {
+    type: String,
+    require: true,
+  },
+  createdOn: {
+    type: Date,
+    default: Date.now,
+  },
+});
+
+module.exports = mongoose.model("user", userSchema);