- Updated: March 18, 2026
- 4 min read
Implementing Data Subject Access Requests (DSAR) for OpenClaw Rating Data
# Implementing Data Subject Access Requests (DSAR) for OpenClaw Rating Data
*Published by UBOS*
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## Introduction
Data Subject Access Requests (DSAR) are a cornerstone of privacy regulations such as GDPR and CCPA. For developers building on the OpenClaw rating platform, providing a clear, secure, and automated DSAR workflow is essential to maintain compliance and user trust. This article walks you through the complete DSAR process for OpenClaw rating data, complete with code snippets, API endpoints, security best‑practices, and testing tips.
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## 1. DSAR Workflow Overview
1. **User submits a DSAR** – via a web form or API call.
2. **Authentication & Authorization** – verify the requester’s identity and scope.
3. **Data Retrieval** – query OpenClaw’s rating database for the subject’s records.
4. **Data Packaging** – format the data (JSON/CSV) and apply any redaction rules.
5. **Delivery** – send the packaged data to the requester securely (email attachment, secure download link, etc.).
6. **Audit Logging** – record the request, actions taken, and timestamps for compliance.
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## 2. Setting Up the DSAR Endpoint
Below is a minimal Express.js endpoint that implements the workflow. Adjust the logic to match your authentication strategy and data store.
javascript
const express = require(‘express’);
const router = express.Router();
const { verifyJwt, getUserById } = require(‘./auth’);
const { fetchRatingsByUser } = require(‘./openclaw-db’);
const { createZip, sendSecureEmail } = require(‘./utils’);
// POST /api/dsar
router.post(‘/dsar’, verifyJwt, async (req, res) => {
try {
const requesterId = req.user.id; // from JWT
const { subjectId } = req.body; // the user whose data is requested
// 1️⃣ Authorisation – only the subject or an admin may request data
if (requesterId !== subjectId && !req.user.isAdmin) {
return res.status(403).json({ error: ‘Forbidden’ });
}
// 2️⃣ Retrieve rating data from OpenClaw
const ratings = await fetchRatingsByUser(subjectId);
// 3️⃣ Package data (JSON + CSV) and zip it
const zipBuffer = await createZip({ ratings }, ‘dsar_’ + subjectId + ‘.zip’);
// 4️⃣ Deliver – send a secure download link via email
await sendSecureEmail({
to: req.user.email,
subject: ‘Your OpenClaw DSAR Data’,
attachments: [{ filename: ‘dsar.zip’, content: zipBuffer }]
});
// 5️⃣ Audit log
console.log(`DSAR completed for user ${subjectId} by ${requesterId}`);
res.json({ message: ‘DSAR processed. Check your email for the data package.’ });
} catch (err) {
console.error(err);
res.status(500).json({ error: ‘Internal Server Error’ });
}
});
module.exports = router;
### Key Points
– **verifyJwt** – middleware that validates the JWT and populates `req.user`.
– **fetchRatingsByUser** – a helper that runs a SQL query like `SELECT * FROM ratings WHERE user_id = $1`.
– **createZip** – uses `archiver` or `jszip` to bundle JSON/CSV files.
– **sendSecureEmail** – leverages a transactional email service with TLS.
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## 3. API Endpoint Specification
| Method | Path | Description | Request Body | Response |
|——–|—————|————————————-|———————————-|——————————|
| POST | `/api/dsar` | Initiates a DSAR for a given user. | `{ “subjectId”: “” }`| `{ “message”: “…” }` |
**Headers**
– `Authorization: Bearer `
– `Content-Type: application/json`
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## 4. Security Considerations
1. **Strong Authentication** – Use short‑lived JWTs signed with RS256.
2. **Authorization Checks** – Ensure only the data subject or a privileged admin can request the data.
3. **Data Minimisation** – Remove personally identifiable information that is not required by law before packaging.
4. **Secure Transmission** – Always send data over TLS (HTTPS) and use encrypted email attachments or signed URLs that expire after a short period.
5. **Audit Trail** – Store request metadata (requester, subject, timestamp, outcome) in an immutable log for audit purposes.
6. **Rate Limiting** – Prevent abuse by limiting DSAR requests per user per month (e.g., 1‑2 requests).
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## 5. Testing Tips
– **Unit Tests** – Mock the DB and email service to verify each step.
– **Integration Tests** – Spin up a test instance of OpenClaw, submit a DSAR request, and assert that the email contains the correct data.
– **Security Tests** – Attempt to request another user’s data and confirm a `403` response.
– **Performance Tests** – Simulate large data sets (thousands of ratings) to ensure the zip creation and email delivery stay within acceptable time limits.
Example using **Jest**:
javascript
test(‘DSAR endpoint authorises correctly’, async () => {
const res = await request(app)
.post(‘/api/dsar’)
.set(‘Authorization’, `Bearer ${adminJwt}`)
.send({ subjectId: ‘user123’ });
expect(res.status).toBe(200);
});
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## 6. Publishing the Article on UBOS
The content above is ready to be published on the UBOS blog. Below is the payload required by the UBOS publishing API.
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## 7. One Internal Link
For more information on hosting OpenClaw on UBOS, see our guide: Host OpenClaw on UBOS.
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## Conclusion
Implementing a DSAR workflow for OpenClaw rating data involves careful handling of authentication, data retrieval, secure packaging, and delivery. By following the code example, adhering to the security checklist, and thoroughly testing each component, developers can deliver a compliant and trustworthy DSAR experience.
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*Happy coding!*