Kitos
6147abc87a
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- Create heatmap_service.py with all layer-building logic (coverage, threat-actor, detection-rules, campaign) - Service is framework-agnostic: no FastAPI imports, no HTTPException, no db.commit() - Fix N+1 in coverage and threat-actor layers: bulk-fetch test_counts and rule_counts with GROUP BY - Router reduced from 528 to 140 lines: validates request, calls service, returns response
143 lines
5.4 KiB
Python
143 lines
5.4 KiB
Python
"""Heatmap endpoints — ATT&CK Navigator-compatible layer generation.
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Thin router that delegates to :mod:`app.services.heatmap_service`.
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"""
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import io
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import json
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from typing import Optional
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from fastapi import APIRouter, Depends, HTTPException, Query
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from fastapi.responses import StreamingResponse
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from sqlalchemy.orm import Session
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from app.database import get_db
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from app.dependencies.auth import get_current_user
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from app.models.user import User
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from app.services import heatmap_service
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router = APIRouter(prefix="/heatmap", tags=["heatmap"])
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# ── GET /heatmap/coverage ─────────────────────────────────────────────
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@router.get("/coverage")
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def heatmap_coverage(
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platforms: Optional[str] = Query(None, description="Comma-separated platforms"),
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tactics: Optional[str] = Query(None, description="Comma-separated tactics"),
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min_score: int = Query(0, ge=0, le=100),
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""Coverage layer — score based on status_global of each technique."""
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return heatmap_service.build_coverage_layer(
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db, platforms=platforms, tactics=tactics, min_score=min_score,
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)
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# ── GET /heatmap/threat-actor/{actor_id} ──────────────────────────────
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@router.get("/threat-actor/{actor_id}")
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def heatmap_threat_actor(
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actor_id: str,
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platforms: Optional[str] = Query(None),
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tactics: Optional[str] = Query(None),
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min_score: int = Query(0, ge=0, le=100),
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""Threat actor layer — techniques used by an actor with coverage color."""
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layer = heatmap_service.build_threat_actor_layer(
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db, actor_id, platforms=platforms, tactics=tactics, min_score=min_score,
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)
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if layer is None:
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raise HTTPException(status_code=404, detail="Threat actor not found")
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return layer
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# ── GET /heatmap/detection-rules ──────────────────────────────────────
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@router.get("/detection-rules")
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def heatmap_detection_rules(
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platforms: Optional[str] = Query(None),
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tactics: Optional[str] = Query(None),
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min_score: int = Query(0, ge=0, le=100),
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""Detection rules layer — score based on ratio of rules available vs total."""
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return heatmap_service.build_detection_rules_layer(
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db, platforms=platforms, tactics=tactics, min_score=min_score,
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)
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# ── GET /heatmap/campaign/{campaign_id} ───────────────────────────────
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@router.get("/campaign/{campaign_id}")
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def heatmap_campaign(
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campaign_id: str,
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platforms: Optional[str] = Query(None),
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tactics: Optional[str] = Query(None),
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min_score: int = Query(0, ge=0, le=100),
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""Campaign layer — only techniques in the campaign, colored by test state."""
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layer = heatmap_service.build_campaign_layer(
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db, campaign_id, platforms=platforms, tactics=tactics, min_score=min_score,
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)
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if layer is None:
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raise HTTPException(status_code=404, detail="Campaign not found")
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return layer
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# ── GET /heatmap/export-navigator ─────────────────────────────────────
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_LAYER_BUILDERS = {
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"coverage": lambda db, **kw: heatmap_service.build_coverage_layer(db, **kw),
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"detection-rules": lambda db, **kw: heatmap_service.build_detection_rules_layer(db, **kw),
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}
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_LAYER_BUILDERS_WITH_ID = {
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"threat-actor": lambda db, lid, **kw: heatmap_service.build_threat_actor_layer(db, lid, **kw),
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"campaign": lambda db, lid, **kw: heatmap_service.build_campaign_layer(db, lid, **kw),
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}
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@router.get("/export-navigator")
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def export_navigator(
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layer: str = Query(..., description="Layer type: coverage, threat-actor, detection-rules, campaign"),
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layer_id: Optional[str] = Query(None, description="Actor ID or Campaign ID (if applicable)"),
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platforms: Optional[str] = Query(None),
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tactics: Optional[str] = Query(None),
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min_score: int = Query(0, ge=0, le=100),
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""Export a heatmap layer as a downloadable JSON file for ATT&CK Navigator."""
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kwargs = dict(platforms=platforms, tactics=tactics, min_score=min_score)
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if layer in _LAYER_BUILDERS:
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data = _LAYER_BUILDERS[layer](db, **kwargs)
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elif layer in _LAYER_BUILDERS_WITH_ID:
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if not layer_id:
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raise HTTPException(status_code=400, detail=f"layer_id required for {layer} layer")
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data = _LAYER_BUILDERS_WITH_ID[layer](db, layer_id, **kwargs)
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if data is None:
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raise HTTPException(status_code=404, detail=f"{layer} not found")
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else:
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raise HTTPException(status_code=400, detail=f"Unknown layer type: {layer}")
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json_content = json.dumps(data, indent=2, default=str)
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buffer = io.BytesIO(json_content.encode("utf-8"))
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return StreamingResponse(
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buffer,
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media_type="application/json",
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headers={"Content-Disposition": f"attachment; filename=aegis_{layer}_layer.json"},
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)
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