103 lines
3.0 KiB
JavaScript
103 lines
3.0 KiB
JavaScript
import express from "express";
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import bodyParser from "body-parser";
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import crypto from "crypto";
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const app = express();
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app.use(bodyParser.json());
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// In-memory stores
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const users = {}; // { userId: username }
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const sessions = {}; // { token: userId }
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// Basic HTML UI
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const HTML_PAGE = `
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<!DOCTYPE html>
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<html>
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<head>
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<title>Fake Auth API (Express)</title>
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<style>
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body { font-family: sans-serif; max-width: 500px; margin: 2rem auto; }
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input, button { margin: .3rem 0; padding: .3rem; }
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pre { background: #f5f5f5; padding: 1rem; border-radius: 5px; }
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</style>
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</head>
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<body>
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<h2>Fake Auth API</h2>
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<form id="userForm">
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<input id="uid" placeholder="User ID" required><br>
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<input id="uname" placeholder="Username" required><br>
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<button type="submit">Add User</button>
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</form>
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<h3>Users</h3>
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<div id="users"></div>
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<script>
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async function refresh() {
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const res = await fetch('/api/users');
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const data = await res.json();
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const div = document.getElementById('users');
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div.innerHTML = '';
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for (const [id, name] of Object.entries(data)) {
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const btn = document.createElement('button');
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btn.textContent = 'Create token';
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btn.onclick = async () => {
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const res = await fetch('/api/create_token/' + id, {method:'POST'});
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const tok = await res.json();
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alert('Token for ' + name + ': ' + tok.token);
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};
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div.append(\`\${id}: \${name} \`, btn, document.createElement('br'));
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}
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}
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document.getElementById('userForm').onsubmit = async (e) => {
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e.preventDefault();
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const id = uid.value.trim();
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const name = uname.value.trim();
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await fetch('/api/users', {
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method: 'POST',
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headers: {'Content-Type':'application/json'},
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body: JSON.stringify({id, name})
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});
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uid.value = uname.value = '';
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refresh();
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};
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refresh();
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</script>
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</body>
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</html>
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`;
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// === Routes ===
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// UI page
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app.get("/", (req, res) => res.send(HTML_PAGE));
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// Get users
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app.get("/api/users", (req, res) => res.json(users));
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// Add user
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app.post("/api/users", (req, res) => {
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const { id, name } = req.body;
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if (!id || !name) return res.status(400).json({ error: "Missing id or name" });
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users[id] = name;
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res.json({ status: "ok" });
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});
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// Create token
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app.post("/api/create_token/:uid", (req, res) => {
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const uid = req.params.uid;
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if (!users[uid]) return res.status(404).json({ error: "User not found" });
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const token = crypto.randomBytes(8).toString("hex");
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sessions[token] = uid;
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res.json({ token });
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});
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// Verify token
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app.get("/api/verify/:token", (req, res) => {
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const uid = sessions[req.params.token];
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if (!uid) return res.status(404).json({ error: "Invalid token" });
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res.json({ id: uid, name: users[uid] });
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});
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const PORT = process.env.PORT || 5000;
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app.listen(PORT, () => console.log(`[FakeAuth] Running on http://localhost:${PORT}`));
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