auth with api

stubs/api/auth/index.js

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+const authRouter = require('express').Router();
+
+// For cryptography
+// const bcrypt = require('bcrypt');
+
+// For creating tokens
+const jwt = require('jsonwebtoken');
+const TOKEN_KEY = "5frv12e4few3r"
+
+
+module.exports = authRouter;
+
+// Read already defined users (pseudo-DB)
+const users = require('./users.json');
+
+const getUserFromDB = (userID) => {
+    if (!userID) {return false;}
+
+    // Accessing 'DB'
+    const user = users.find((user) => user.id === userID);
+
+    if (user) {
+        return user;
+    } else {
+        return false;
+    }
+}
+
+// Get a user by its id
+authRouter.get('/:id', (req, res) => {
+    const user = getUserFromDB(req.params.id);
+    console.log("Request get in /auth:", req.params.id);
+
+    if (user) {
+        res.status(200).send({user});
+    } else {
+        res.status(404).send({message: 'User was not found'});
+    }
+})
+
+// For login (authorization)
+authRouter.post('/login', (req, res) => {
+    const { name, password } = req.body;
+    console.log("Request login in /auth:", name);
+
+    const user = getUserFromDB(name);
+
+    // Invalid identification
+    if (!user) {
+        res.status(401).send({message: 'Invalid credentials (id)'});
+    }
+
+    // Invalid authentication
+    if (!password || password !== user.password) {
+        res.status(401).send({message: 'Invalid credentials (password)'});
+    }
+
+    // Now, authorization
+    const token = jwt.sign({id: name}, TOKEN_KEY, {
+        expiresIn: '1h'
+    })
+
+    res.status(200).send({token});
+})
+
+
+authRouter.post('/reg', (req, res) => {
+    const { name, password, nickname } = req.body;
+    console.log("Request reg in /auth:", name);
+
+    const user = getUserFromDB(name);
+
+    // Invalid identification
+    if (user) {
+        res.status(409).send({message: 'Such id already exists'});
+    }
+
+    if (!name || !password || !nickname) {
+        res.status(401).send({message: 'Empty or invalid fields'});
+    }
+
+    // Add to 'DB'
+    const newUser = {id: name, password: password, nickname: nickname};
+    users.push(newUser);
+
+    res.status(200).send({user: newUser});
+})

stubs/api/auth/users.json

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+[
+  {
+  "nickname": "Nick",
+  "password": "1234",
+  "id": "Nickolaus_SDR"
+  },
+  {
+    "nickname": "User",
+    "password": "1234",
+    "id": "id"
+  }
+]