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- Add `applySecurityHeaders` helper in `src/api/server.ts` - Apply `X-Frame-Options`, `X-Content-Type-Options`, `Referrer-Policy`, `Permissions-Policy` globally - Apply strict `Content-Security-Policy` to `/api/` routes - Add E2E regression test `test/api-security-headers.e2e.test.ts`
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Summary of ChangesHello @Dexploarer, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request significantly enhances the security posture of the API server by integrating essential HTTP security headers. The changes introduce a dedicated function to apply these headers, including a strict Content Security Policy for API endpoints, directly into the raw Node.js server's request handling pipeline. Comprehensive end-to-end tests have been added to validate the correct application and scoping of these security measures, effectively reducing the attack surface against common web vulnerabilities. Highlights
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| beforeAll(async () => { | ||
| const server = await startApiServer({ port: 0 }); | ||
| port = server.port; | ||
| close = server.close; | ||
| }); |
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Potential Error Handling Issue in Server Setup
If startApiServer fails or throws an error, the test suite may not handle this gracefully, leading to uncaught exceptions or resource leaks. Consider wrapping the server setup in a try-catch block and failing the tests explicitly if the server cannot be started.
beforeAll(async () => {
try {
const server = await startApiServer({ port: 0 });
port = server.port;
close = server.close;
} catch (err) {
throw new Error('Failed to start API server: ' + err);
}
});| afterAll(async () => { | ||
| await close(); | ||
| }); |
There was a problem hiding this comment.
Potential Error Handling Issue in Server Teardown
If the close function fails during teardown, the error is not caught, which may leave resources open or cause misleading test results. Consider wrapping the teardown in a try-catch block and logging or failing the test if an error occurs.
afterAll(async () => {
try {
await close();
} catch (err) {
throw new Error('Failed to close API server: ' + err);
}
});![gemini-code-assist[bot]](https://avatars.githubusercontent.com/in/956858?s=60&v=4){kind=small}
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Code Review
This pull request adds important HTTP security headers to enhance the application's security posture. The implementation correctly adds headers like X-Frame-Options, X-Content-Type-Options, and a strict Content-Security-Policy for API routes. The new E2E tests effectively verify these changes. My main suggestion is to also include the Strict-Transport-Security (HSTS) header, which was mentioned in the vulnerability description, to further protect against man-in-the-middle attacks.
| res.setHeader("X-Frame-Options", "DENY"); | ||
| res.setHeader("X-Content-Type-Options", "nosniff"); | ||
| res.setHeader("Referrer-Policy", "no-referrer"); | ||
| res.setHeader("Permissions-Policy", "interest-cohort=()"); |
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Consider adding the Strict-Transport-Security (HSTS) header to enforce HTTPS usage, which helps prevent man-in-the-middle attacks. The vulnerability description in .jules/sentinel.md mentions HSTS, but it's not implemented here.
| res.setHeader("Permissions-Policy", "interest-cohort=()"); | |
| res.setHeader("Permissions-Policy", "interest-cohort=()"); | |
| res.setHeader("Strict-Transport-Security", "max-age=31536000; includeSubDomains"); |
1 participant
🛡️ Sentinel: [Security Enhancement] Add HTTP security headers
🚨 Severity: MEDIUM
💡 Vulnerability: Missing standard HTTP security headers (X-Frame-Options, CSP, etc.) allowed potential clickjacking, MIME sniffing, and XSS risks.
🎯 Impact: Reduced attack surface by enforcing browser security policies.
🔧 Fix: Implemented
applySecurityHeadersmiddleware-like function in the raw Node.js server.✅ Verification: New E2E test
test/api-security-headers.e2e.test.tsverifies headers are present and CSP is correctly scoped to API routes.PR created automatically by Jules for task 12371046727399254087 started by @Dexploarer