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type nfstream
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malmert
2026-03-07 18:26:30 +01:00
parent 9fc2079e86
commit fec6ec29c7
1 changed files with 12 additions and 5 deletions
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17
backend/src/utilities/nfstream_manager.py
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@@ -29,6 +29,13 @@ def _merge_metadata(base: Optional[Dict[str, Any]], extra: Dict[str, Any]) -> Di
return merged
def _safe_text(value: Any) -> Optional[str]:
if value is None:
return None
text = str(value).strip()
return text if text else None
def _infer_is_encrypted(payload: Dict[str, Any]) -> Optional[bool]:
application_name = str(payload.get("application_name") or "").upper()
if any(token in application_name for token in ("TLS", "HTTPS", "QUIC", "SSL")):
@@ -60,11 +67,11 @@ def _build_enrichment(payload: Dict[str, Any], iface: str, flow_key: str) -> Dic
)
return {
"app_protocol": payload.get("application_name"),
"app_master_protocol": payload.get("application_name"),
"app_category": payload.get("application_category_name"),
"app_confidence": payload.get("application_confidence"),
"app_hostname": payload.get("requested_server_name"),
"app_protocol": _safe_text(payload.get("application_name")),
"app_master_protocol": _safe_text(payload.get("application_name")),
"app_category": _safe_text(payload.get("application_category_name")),
"app_confidence": _safe_text(payload.get("application_confidence")),
"app_hostname": _safe_text(payload.get("requested_server_name")),
"app_is_encrypted": _infer_is_encrypted(payload),
"dpi_metadata": {"nfstream": metadata},
}