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authentik/authentik/events/geo.py

91 lines
2.6 KiB
Python

"""events GeoIP Reader"""
from datetime import datetime
from os import stat
from time import time
from typing import Optional, TypedDict
from geoip2.database import Reader
from geoip2.errors import GeoIP2Error
from geoip2.models import City
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("authentik.geoip")
if path == "" or not path:
return
try:
reader = Reader(path)
self.__reader = reader
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 geoip database has been opened longer than 8 hours,
and re-open it, as it will probably will have been re-downloaded"""
now = time()
diff = datetime.fromtimestamp(now) - datetime.fromtimestamp(self.__last_mtime)
diff_hours = diff.total_seconds() // 3600
if diff_hours >= 8:
LOGGER.info("GeoIP databased loaded too long, re-opening", diff=diff)
self.__open()
@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"""
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()