🛡️ Sentinel: [HIGH] Fix API input validation and rate limiting vulnerabilities#39
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…abilities This PR implements security enhancements to protect against DoS and Injection attacks: 1. **Strict Input Validation**: Enforced `max_length` constraints on API payloads using Pydantic. 2. **Rate Limit Hardening**: Increased login failure cache size to mitigate IP rotation attacks. 3. **Auth Sanitization**: Added length checks for username/password to prevent processing massive auth payloads. 4. **Resource Protection**: Capped API pagination limits (`le=1000`) to prevent database exhaustion. 5. **Defense in Depth**: Added `X-XSS-Protection` header. Includes regression tests in `tests/rpc/test_security_enhancements.py`.
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Fixed E501 (line too long) and indentation issues reported by flake8 and ruff: - Split long lines in `api_trading.py` (Query definitions). - Corrected indentation and line length in `test_security_enhancements.py`. - Formatted with ruff.
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Vulnerabilities Addressed:
ForceEnterPayload,DownloadDataPayload, etc.limitparameter abuse).Verification:
tests/rpc/test_security_enhancements.pyverifies all fixes.PR created automatically by Jules for task 4550608136769397632 started by @Corax-CoLAB