open-design/apps/daemon/tests/server-cors.test.ts
Amy 5563e7eca6
test: expand home entry and html preview coverage (#2992)
* test: cover entry topbar and hero flows

* test: expand entry and html preview coverage

* test: isolate mocked github stars in home entry e2e

Generated-By: looper 0.8.1 (runner=fixer, agent=codex)

* chore: retrigger CI for PR 2992
2026-05-26 14:48:35 +00:00

93 lines
3.5 KiB
TypeScript

import http from 'node:http';
import express from 'express';
import { afterAll, beforeAll, describe, expect, it } from 'vitest';
// Replicate only the CORS middleware pattern from the raw file route so we can
// test the header logic without spinning up the full daemon (database, fs, etc.).
function makeTestApp() {
const app = express();
app.options('/api/projects/:id/raw/*splat', (req, res) => {
if (req.headers.origin === 'null') {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Methods', 'GET');
res.header('Access-Control-Allow-Headers', 'Content-Type');
}
res.sendStatus(204);
});
app.get('/api/projects/:id/raw/*splat', (req, res) => {
if (req.headers.origin === 'null') {
res.header('Access-Control-Allow-Origin', '*');
}
res.type('html').send('<!doctype html><html><body><main><h1>Raw Preview Smoke</h1></main></body></html>');
});
return app;
}
describe('raw file endpoint CORS', () => {
let server: http.Server;
let baseUrl: string;
beforeAll(
() =>
new Promise<void>((resolve) => {
server = makeTestApp().listen(0, '127.0.0.1', () => {
const addr = server.address() as { port: number };
baseUrl = `http://127.0.0.1:${addr.port}`;
resolve();
});
}),
);
afterAll(() => new Promise<void>((resolve) => server.close(() => resolve())));
it('sets Access-Control-Allow-Origin: * for null origin (srcdoc iframe)', async () => {
const res = await fetch(`${baseUrl}/api/projects/test-id/raw/components/login.jsx`, {
headers: { Origin: 'null' },
});
expect(res.headers.get('access-control-allow-origin')).toBe('*');
});
it('does not set Access-Control-Allow-Origin for a real cross-origin site', async () => {
const res = await fetch(`${baseUrl}/api/projects/test-id/raw/components/login.jsx`, {
headers: { Origin: 'https://evil.com' },
});
expect(res.headers.get('access-control-allow-origin')).toBeNull();
});
it('does not set Access-Control-Allow-Origin for same-origin requests (no Origin header)', async () => {
const res = await fetch(`${baseUrl}/api/projects/test-id/raw/components/login.jsx`);
expect(res.headers.get('access-control-allow-origin')).toBeNull();
});
it('serves nested raw HTML bodies for null-origin preview iframes', async () => {
const res = await fetch(`${baseUrl}/api/projects/test-id/raw/screens/tablet/index.html`, {
headers: { Origin: 'null' },
});
expect(res.status).toBe(200);
expect(res.headers.get('access-control-allow-origin')).toBe('*');
expect(res.headers.get('content-type')).toContain('text/html');
await expect(res.text()).resolves.toContain('Raw Preview Smoke');
});
it('handles OPTIONS preflight for null origin', async () => {
const res = await fetch(`${baseUrl}/api/projects/test-id/raw/components/login.jsx`, {
method: 'OPTIONS',
headers: { Origin: 'null' },
});
expect(res.status).toBe(204);
expect(res.headers.get('access-control-allow-origin')).toBe('*');
expect(res.headers.get('access-control-allow-methods')).toBe('GET');
});
it('rejects OPTIONS preflight from a real cross-origin site', async () => {
const res = await fetch(`${baseUrl}/api/projects/test-id/raw/components/login.jsx`, {
method: 'OPTIONS',
headers: { Origin: 'https://evil.com' },
});
expect(res.status).toBe(204);
expect(res.headers.get('access-control-allow-origin')).toBeNull();
});
});