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Aegis/backend/app/domain/entities/threat_actor.py

97 lines
3.1 KiB
Python

"""Threat actor domain entity with coverage analysis logic.
Pure domain logic — no framework imports.
"""
from __future__ import annotations
import uuid
from dataclasses import dataclass, field
from typing import Any
@dataclass
class ThreatActorTechniqueRef:
"""Lightweight reference to a technique used by an actor."""
technique_id: uuid.UUID
mitre_id: str | None = None
name: str | None = None
status: str | None = None
usage_description: str | None = None
@dataclass
class ThreatActorEntity:
name: str
id: uuid.UUID | None = None
mitre_id: str | None = None
aliases: list[str] = field(default_factory=list)
description: str | None = None
country: str | None = None
target_sectors: list[str] = field(default_factory=list)
target_regions: list[str] = field(default_factory=list)
motivation: str | None = None
sophistication: str | None = None
first_seen: str | None = None
last_seen: str | None = None
is_active: bool = True
techniques: list[ThreatActorTechniqueRef] = field(default_factory=list)
@property
def technique_count(self) -> int:
return len(self.techniques)
@property
def covered_techniques(self) -> list[ThreatActorTechniqueRef]:
return [
t for t in self.techniques
if t.status in ("validated", "partial")
]
@property
def uncovered_techniques(self) -> list[ThreatActorTechniqueRef]:
return [
t for t in self.techniques
if t.status not in ("validated", "partial")
]
@property
def coverage_pct(self) -> float:
if not self.techniques:
return 0.0
return round(len(self.covered_techniques) / len(self.techniques) * 100, 1)
@classmethod
def from_orm(cls, orm: Any) -> ThreatActorEntity:
techs: list[ThreatActorTechniqueRef] = []
for tat in getattr(orm, "techniques", None) or []:
technique = getattr(tat, "technique", None)
techs.append(ThreatActorTechniqueRef(
technique_id=tat.technique_id,
mitre_id=getattr(technique, "mitre_id", None) if technique else None,
name=getattr(technique, "name", None) if technique else None,
status=(
technique.status_global.value
if technique and hasattr(technique.status_global, "value")
else getattr(technique, "status_global", None) if technique else None
),
usage_description=tat.usage_description,
))
return cls(
id=orm.id,
name=orm.name,
mitre_id=orm.mitre_id,
aliases=orm.aliases or [],
description=orm.description,
country=orm.country,
target_sectors=orm.target_sectors or [],
target_regions=orm.target_regions or [],
motivation=orm.motivation,
sophistication=orm.sophistication,
first_seen=orm.first_seen,
last_seen=orm.last_seen,
is_active=orm.is_active if orm.is_active is not None else True,
techniques=techs,
)