Add API security hardening: audit logging, key rotation, and idempotency support - #270
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ritaifeoluwa merged 1 commit intoAug 28, 2026
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- Add API key audit logging: tracks endpoint access, IP, status code, response time - Add API key rotation endpoint: atomic operation to create new key and revoke old one - Add idempotency key support for webhook registration: prevents duplicate webhooks - Add idempotency key support for airdrop creation: prevents duplicate airdrops These changes improve security, reliability, and prevent duplicate resource creation on retries.
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Summary
This PR resolves four critical security and reliability issues:
Closes #211
Closes #210
Closes #209
Closes #208
1. API Key Audit Logging
last_used_attimestampapi_key_audit_logstableapiKeyAuditLog.jsservice, audit middleware2. API Key Rotation Endpoint
POST /api/v1/keys/:id/rotateatomically creates new key and revokes oldapiKeys.js(rotateKey function), keys route, validation schema3. Webhook Idempotency
Idempotency-Keyheader support with 24-hour response cachingidempotency.jsservice, webhooks route4. Airdrop Idempotency
Idempotency-Keyheader support with 24-hour response cachingidempotency.jsservice (reused), airdrops routeChanges
Files Modified
src/db/migrations/20260801000000_add_api_key_audit_logs.js(new)src/services/apiKeyAuditLog.js(new)src/services/idempotency.js(new)src/services/apiKeys.js(+rotateKey)src/middleware/auth.js(+extractClientIp, +auditApiKeyUsage)src/routes/keys.js(+rotate endpoint)src/routes/webhooks.js(+idempotency)src/routes/airdrops.js(+idempotency)src/index.js(+audit middleware)src/validation/schemas.js(+keyRotateBodySchema)