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authentik/authentik/events/geo.py

101 lines
2.9 KiB
Python

"""events GeoIP Reader"""
from os import stat
from typing import Optional, TypedDict
from geoip2.database import Reader
from geoip2.errors import GeoIP2Error
from geoip2.models import City
from sentry_sdk.hub import Hub
from structlog.stdlib import get_logger
from authentik.lib.config import CONFIG
LOGGER = get_logger()
class GeoIPDict(TypedDict):
"""GeoIP Details"""
continent: str
country: str
lat: float
long: float
city: str
class GeoIPReader:
"""Slim wrapper around GeoIP API"""
def __init__(self):
self.__reader: Optional[Reader] = None
self.__last_mtime: float = 0.0
self.__open()
def __open(self):
"""Get GeoIP Reader, if configured, otherwise none"""
path = CONFIG.y("geoip")
if path == "" or not path:
return
try:
self.__reader = Reader(path)
self.__last_mtime = stat(path).st_mtime
LOGGER.info("Loaded GeoIP database", last_write=self.__last_mtime)
except OSError as exc:
LOGGER.warning("Failed to load GeoIP database", exc=exc)
def __check_expired(self):
"""Check if the modification date of the GeoIP database has
changed, and reload it if so"""
path = CONFIG.y("geoip")
try:
mtime = stat(path).st_mtime
diff = self.__last_mtime < mtime
if diff > 0:
LOGGER.info("Found new GeoIP Database, reopening", diff=diff)
self.__open()
except OSError as exc:
LOGGER.warning("Failed to check GeoIP age", exc=exc)
return
@property
def enabled(self) -> bool:
"""Check if GeoIP is enabled"""
return bool(self.__reader)
def city(self, ip_address: str) -> Optional[City]:
"""Wrapper for Reader.city"""
with Hub.current.start_span(
op="authentik.events.geo.city",
description=ip_address,
):
if not self.enabled:
return None
self.__check_expired()
try:
return self.__reader.city(ip_address)
except (GeoIP2Error, ValueError):
return None
def city_to_dict(self, city: City) -> GeoIPDict:
"""Convert City to dict"""
city_dict: GeoIPDict = {
"continent": city.continent.code,
"country": city.country.iso_code,
"lat": city.location.latitude,
"long": city.location.longitude,
"city": "",
}
if city.city.name:
city_dict["city"] = city.city.name
return city_dict
def city_dict(self, ip_address: str) -> Optional[GeoIPDict]:
"""Wrapper for self.city that returns a dict"""
city = self.city(ip_address)
if not city:
return None
return self.city_to_dict(city)
GEOIP_READER = GeoIPReader()