feat(server.tests.test6): 新增 nodejs 实验 6

Server/tests/test6/.gitignore

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+node_modules
+pnpm-lock.yaml

Server/tests/test6/index.js

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+const express = require("express");
+const session = require("express-session");
+const bodyParser = require("body-parser");
+
+const app = express();
+const port = 3000;
+
+app.use(bodyParser.urlencoded({ extended: false }))
+app.use(bodyParser.json())
+app.use(session({
+    secret: "hello kitty",
+    resave: false,
+    saveUninitialized: true,
+    cookie: { secret: false }
+}))
+
+const isAuthenticated = (req, res, next) => {
+    if (req.session.user)
+        next();
+    else
+        res.status(401).send("You are not authenticated!");
+}
+
+app.post("/login", (req, res) => {
+    const { username, password } = req.body;
+    if (username === "admin" && password === "password") {
+        req.session.user = { id: 1, username };
+        res.send("User logged in");
+    } else {
+        res.status(401).send("Invaild credentials");
+    }
+})
+
+app.post("/logout", (req, res) => {
+    req.session.destroy((error) => {
+        if (error)
+            return res.status(500).send("Could not log out.");
+        res.send("Logout successful")
+    })
+})
+
+app.get("/protected", isAuthenticated, (req, res) => {
+    res.send("This is a protected route");
+})
+
+app.get("/profile", isAuthenticated, (req, res) => {
+    res.send(`Welcome ${req.session.user.username}`);
+})
+
+app.listen(port, (error) => {
+    if (error)
+        console.log(error);
+    console.log(`server is running: http://localhost:${port}`);
+})

Server/tests/test6/index2.js

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+const express = require("express");
+const bodyParser = require("body-parser");
+const jwt = require("jsonwebtoken");
+
+const app = express();
+
+app.use(bodyParser.json());
+
+const generateToken = (user) => {
+    return jwt.sign({ user }, "hello kitty", { expiresIn: "1h" })
+}
+
+const authenticateToken = (req, res, next) => {
+    const authHeader = req.headers['authorization'];
+    const token = authHeader && authHeader.split(" ")[1];
+
+    if (token == null)
+        return res.sendStatus(401);
+
+    jwt.verify(token, "hello kitty", (error, user) => {
+        if (error)
+            return res.sendStatus(401);
+
+        req.user = user;
+        next();
+    })
+}
+
+app.post('/jwt-login', (req, res) => {
+    const { username, password } = req.body;
+    if (username == "admin" && password == "password") {
+        const user = { id: 1, username };
+        const accessToken = generateToken(user);
+        res.json(accessToken);
+    } else {
+        res.status(401).send("Invaild credentials")
+    }
+})
+
+app.post("/jwt-logout", authenticateToken, (req, res) => {
+    res.send("Logged out successful");
+})
+
+app.get("/jwt-profile", authenticateToken, (req, res) => {
+    res.send(`Welcome ${req.user.user.username}`)
+})
+
+app.listen(3000, (error) => {
+    if (error)
+        console.log(error);
+    console.log("Server is running: http://localhost:3000");
+})

Server/tests/test6/package.json

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+{
+  "name": "test6",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "packageManager": "pnpm@10.14.0",
+  "dependencies": {
+    "body-parser": "^2.2.1",
+    "express": "^5.1.0",
+    "express-session": "^1.18.2",
+    "jsonwebtoken": "^9.0.2"
+  }
+}