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authentik/authentik/events/geo.py

97 lines
2.7 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_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
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
GEOIP_READER = GeoIPReader()