Files
intercept/routes/fingerprint.py

114 lines
3.8 KiB
Python

"""RF Fingerprinting CRUD + compare API."""
from __future__ import annotations
import os
import threading
from flask import Blueprint, jsonify, request
fingerprint_bp = Blueprint("fingerprint", __name__, url_prefix="/fingerprint")
_fingerprinter = None
_fingerprinter_lock = threading.Lock()
_active_session_id: int | None = None
_session_lock = threading.Lock()
def _get_fingerprinter():
global _fingerprinter
if _fingerprinter is None:
with _fingerprinter_lock:
if _fingerprinter is None:
from utils.rf_fingerprint import RFFingerprinter
db_path = os.path.join(
os.path.dirname(os.path.dirname(__file__)), "instance", "rf_fingerprints.db"
)
os.makedirs(os.path.dirname(db_path), exist_ok=True)
_fingerprinter = RFFingerprinter(db_path)
return _fingerprinter
@fingerprint_bp.route("/start", methods=["POST"])
def start_session():
global _active_session_id
data = request.get_json(force=True) or {}
name = data.get("name", "Unnamed Session")
location = data.get("location")
fp = _get_fingerprinter()
with _session_lock:
if _active_session_id is not None:
return jsonify({"error": "Session already active", "session_id": _active_session_id}), 409
session_id = fp.start_session(name, location)
_active_session_id = session_id
return jsonify({"session_id": session_id, "name": name})
@fingerprint_bp.route("/stop", methods=["POST"])
def stop_session():
global _active_session_id
fp = _get_fingerprinter()
with _session_lock:
if _active_session_id is None:
return jsonify({"error": "No active session"}), 400
session_id = _active_session_id
result = fp.finalize(session_id)
_active_session_id = None
return jsonify(result)
@fingerprint_bp.route("/observation", methods=["POST"])
def add_observation():
global _active_session_id
fp = _get_fingerprinter()
data = request.get_json(force=True) or {}
observations = data.get("observations", [])
with _session_lock:
session_id = _active_session_id
if session_id is None:
return jsonify({"error": "No active session"}), 400
if not observations:
return jsonify({"added": 0})
fp.add_observations_batch(session_id, observations)
return jsonify({"added": len(observations)})
@fingerprint_bp.route("/list", methods=["GET"])
def list_sessions():
fp = _get_fingerprinter()
sessions = fp.list_sessions()
with _session_lock:
active_id = _active_session_id
return jsonify({"sessions": sessions, "active_session_id": active_id})
@fingerprint_bp.route("/compare", methods=["POST"])
def compare():
fp = _get_fingerprinter()
data = request.get_json(force=True) or {}
baseline_id = data.get("baseline_id")
observations = data.get("observations", [])
if not baseline_id:
return jsonify({"error": "baseline_id required"}), 400
anomalies = fp.compare(int(baseline_id), observations)
bands = fp.get_baseline_bands(int(baseline_id))
return jsonify({"anomalies": anomalies, "baseline_bands": bands})
@fingerprint_bp.route("/<int:session_id>", methods=["DELETE"])
def delete_session(session_id: int):
global _active_session_id
fp = _get_fingerprinter()
with _session_lock:
if _active_session_id == session_id:
_active_session_id = None
fp.delete_session(session_id)
return jsonify({"deleted": session_id})
@fingerprint_bp.route("/status", methods=["GET"])
def session_status():
with _session_lock:
active_id = _active_session_id
return jsonify({"active_session_id": active_id})