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| import http from "http";
import { createFileSessionStorage } from "@react-router/node";
import { parse } from "querystring";
const storage = createFileSessionStorage({
dir: "./sessions",
cookie: {
name: "session",
httpOnly: true,
path: "/",
sameSite: "lax",
secrets: ["mazesec"],
}
});
const users = [];
const ADMIN_USER = {
username: "admin",
password: "Maze-Sec2026",
role: "admin"
};
const css = `
body { font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif; background: #fff0f5; color: #4a4a4a; display: flex; justify-content: center; align-items: center; min-height: 100vh; margin: 0; }
.container { background: white; padding: 2rem; border-radius: 15px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); width: 400px; text-align: center; border: 2px solid #ffbed2; }
h1 { color: #d63384; display: flex; align-items: center; justify-content: center; gap: 10px; }
input { display: block; width: 100%; padding: 10px; margin: 10px 0; border: 1px solid #ddd; border-radius: 5px; box-sizing: border-box;}
button { background: #ff69b4; color: white; border: none; padding: 10px 20px; border-radius: 20px; cursor: pointer; font-size: 16px; transition: background 0.3s; width: 100%; }
button:hover { background: #d63384; }
.flower-deco { font-size: 40px; margin: 10px 0; }
.links { margin-top: 20px; font-size: 14px; }
a { color: #d63384; text-decoration: none; }
.error { color: red; margin: 10px 0; font-size: 14px; }
.dashboard-content { text-align: left; background: #fffafc; padding: 15px; border-radius: 8px; border: 1px dashed #ffbed2; margin-top: 20px; }
`;
function renderPage(content, title = "Flower App") {
return `
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>${title}</title>
<style>${css}</style>
</head>
<body>
<div class="container">
<div class="flower-deco">🌸 🌺 🌻</div>
${content}
</div>
</body>
</html>`;
}
function getBody(req) {
return new Promise((resolve) => {
let body = "";
req.on("data", chunk => { body += chunk.toString(); });
req.on("end", () => { resolve(parse(body)); });
});
}
async function redirect(res, location, cookie = null) {
const headers = { "Location": location };
if (cookie) headers["Set-Cookie"] = cookie;
res.writeHead(302, headers);
res.end();
}
http.createServer(async (req, res) => {
const url = new URL(req.url, `http://${req.headers.host}`);
const session = await storage.getSession(req.headers.cookie);
const flashError = session.get("error");
if (flashError) session.unset("error");
const setHtmlHeader = () => res.setHeader("Content-Type", "text/html; charset=utf-8");
if (req.method === "GET" && url.pathname === "/") {
const userId = session.get("userId");
if (userId) {
return redirect(res, "/dashboard");
}
const html = renderPage(`
<h1>欢迎来到花园系统</h1>
<p>请登录以查看我们的专属花卉收藏。</p>
<div class="links">
<a href="/login">登录</a> | <a href="/register">注册</a>
</div>
`);
setHtmlHeader();
res.setHeader("Set-Cookie", await storage.commitSession(session));
return res.end(html);
}
if (req.method === "GET" && url.pathname === "/login") {
const html = renderPage(`
<h1>🌺 登录</h1>
${flashError ? `<div class="error">${flashError}</div>` : ''}
<form method="POST" action="/login">
<input type="text" name="username" placeholder="用户名" required />
<input type="password" name="password" placeholder="密码" required />
<button type="submit">进入花园</button>
</form>
<div class="links"><a href="/register">没有账号？点击注册</a></div>
`, "Login");
setHtmlHeader();
res.setHeader("Set-Cookie", await storage.commitSession(session));
return res.end(html);
}
if (req.method === "POST" && url.pathname === "/login") {
const body = await getBody(req);
const { username, password } = body;
let user = null;
if (username === ADMIN_USER.username && password === ADMIN_USER.password) {
user = ADMIN_USER;
} else {
user = users.find(u => u.username === username && u.password === password);
}
if (user) {
session.set("userId", user.username);
session.set("role", user.role || "user");
return redirect(res, "/dashboard", await storage.commitSession(session));
} else {
session.flash("error", "凭证无效 🥀");
return redirect(res, "/login", await storage.commitSession(session));
}
}
if (req.method === "GET" && url.pathname === "/register") {
const html = renderPage(`
<h1>🌻 注册</h1>
${flashError ? `<div class="error">${flashError}</div>` : ''}
<form method="POST" action="/register">
<input type="text" name="username" placeholder="设置用户名" required />
<input type="password" name="password" placeholder="设置密码" required />
<button type="submit">加入俱乐部</button>
</form>
<div class="links"><a href="/login">已有账号？去登录</a></div>
`, "Register");
setHtmlHeader();
res.setHeader("Set-Cookie", await storage.commitSession(session));
return res.end(html);
}
if (req.method === "POST" && url.pathname === "/register") {
const body = await getBody(req);
const { username, password } = body;
if (users.find(u => u.username === username) || username === "admin") {
session.flash("error", "用户名已被占用 🌵");
return redirect(res, "/register", await storage.commitSession(session));
}
users.push({ username, password, role: "user" });
session.flash("error", "注册成功！请登录 🌹");
return redirect(res, "/login", await storage.commitSession(session));
}
if (req.method === "POST" && url.pathname === "/logout") {
return redirect(res, "/", await storage.destroySession(session));
}
if (req.method === "GET" && url.pathname === "/dashboard") {
const userId = session.get("userId");
const role = session.get("role");
if (!userId) {
return redirect(res, "/login");
}
let adminContent = "";
if (role === "admin" || userId === "admin") {
adminContent = `
<div style="background: #ffe6e6; border: 2px solid red; padding: 10px; margin-top: 10px;">
<h3>👑 管理员面板</h3>
<p><strong>Secret Flag:</strong> FLAG{FLOWER_POWER_OVERFLOW}</p>
<p>你已获得花园的完全控制权。</p>
</div>
`;
}
const html = renderPage(`
<h1>花园仪表盘 🌼</h1>
<p>你好, <strong>${userId}</strong>!</p>
<div class="dashboard-content">
<p>当前身份: <strong>${role === 'admin' ? '首席园丁 👒' : '访客 🐝'}</strong></p>
<p>享受这宁静的氛围吧...</p>
${adminContent}
</div>
<form method="POST" action="/logout" style="margin-top: 20px;">
<button type="submit" style="background: #999;">退出登录</button>
</form>
`, "Dashboard");
setHtmlHeader();
return res.end(html);
}
res.writeHead(404, { "Content-Type": "text/plain; charset=utf-8" });
res.end("页面未找到");
}).listen(3000, () => {
console.log("🌸 Flower Server running on http://localhost:3000");
});
|
