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

Server/tests/test6/index.js

@@ -0,0 +1,54 @@
+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}`);
+})