Assignment 2 Completed

02-nodejs/authenticationServer.js

@@ -32,6 +32,93 @@
 const express = require("express")
 const PORT = 3000;
 const app = express();
+const bodyParser=require("body-parser");
+
+//middleware
+app.use(bodyParser.json());
+
+let user=[];
+
+function userSignup(req,res){
+  let userDetails=req.body;
+  let emailCheck=req.body.email;
+  let emailExist=false;
+  for(let i=0;i<user.length;i++){
+    if(user[i].email===emailCheck){
+      emailExist=true;
+      break;
+    }
+  }
+  if(emailExist){
+    res.status(400).send("Bad Request");
+  }
+  else{
+    let userData={
+      id:Date.now().toString(16)+Math.random().toString(16).slice(2),
+      firstName:userDetails.firstName,
+      lastName:userDetails.lastName,
+      email:userDetails.email,
+      password:userDetails.password,
+    }
+    user.push(userData);
+    res.status(201).send("Signup successful");
+  }
+}
+
+function userLogin(req,res){
+  let email=req.body.email;
+  let password=req.body.password;
+  let userDetails;
+  let validated=false;
+  for(let i=0;i<user.length;i++){
+    if(user[i].email===email&&user[i].password===password){
+
+      validated=true;
+      userDetails={firstName:user[i].firstName,lastName:user[i].lastName,email:user[i].email};
+      break;
+    } 
+  }
+  if(validated){
+    res.status(200).json(userDetails);
+  }
+  else{
+    res.status(401).send("Unauthorized");
+  }
+}
+
+function getUserData(req,res){
+  let password=req.headers.password;
+  let email=req.headers.email;
+  let validated=false;
+  for(let i=0;i<user.length;i++){
+    if(user[i].email===email&&user[i].password===password) validated=true;
+  }
+  if(validated){
+    let userDetails=[];
+    for(let i=0;i<user.length;i++){
+      let userData={
+        id:user[i].id,
+        firstName:user[i].firstName,
+        lastName:user[i].lastName,
+      }
+      userDetails.push(userData);
+    }
+    res.status(200).json({users:userDetails});
+  }
+  else{
+    res.status(401).send("Unauthorized");
+  }
+}
+
+app.post('/signup',userSignup);
+app.post('/login',userLogin);
+app.get('/data',getUserData);
+
+//server started. comment below code before running the tests.
+// app.listen(PORT,()=>{
+//   console.log(`Listening on ${PORT}`);
+// });
+
 // write your logic here, DONT WRITE app.listen(3000) when you're running tests, the tests will automatically start the server
 
 module.exports = app;

02-nodejs/fileServer.js

@@ -20,6 +20,40 @@ const express = require('express');
 const fs = require('fs');
 const path = require('path');
 const app = express();
+// const port = 3000;
 
+app.get('/files', (req,res) => {
+  const directoryPath = path.join(__dirname, './files/')
 
-module.exports = app;
+  fs.readdir(directoryPath, (err,files) => {
+    if(err){
+      res.status(500).json({error: "Error reading directory"})
+    }
+    else{
+      res.status(200).json(files)
+    }
+  })
+})
+
+app.get('/file/:filename',(req,res) => {
+  const filePath = path.join(__dirname, "files", req.params.filename)
+
+  fs.readFile(filePath, 'utf8', (err,data) => {
+    if(err){
+      res.status(404).send("File not found")
+    }
+    else{
+      res.status(200).send(data)
+    }
+  })
+})
+
+app.all("*", (req,res) => {
+  res.status(404).send('Route not found')
+})
+
+// app.listen(port, () => {
+//   console.log(`Example app listening on port ${port}`)
+// })
+
+module.exports = app;