nomyo-router/security.py

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2026-05-19 10:05:27 +02:00
"""Secret-masking helpers used when logging or surfacing backend errors."""
import re
def _mask_secrets(text: str) -> str:
"""
Mask common API key patterns to avoid leaking secrets in logs or error payloads.
"""
if not text:
return text
# OpenAI-style keys (sk-...) and generic "api key" mentions
text = re.sub(r"sk-[A-Za-z0-9]{4}[A-Za-z0-9_-]*", "sk-***redacted***", text)
text = re.sub(r"(?i)(api[-_ ]key\s*[:=]\s*)([^\s]+)", r"\1***redacted***", text)
return text