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

Server/tests/test6/index2.js

@@ -0,0 +1,52 @@
+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");
+})