77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
'''
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Simple Geolocation with FastAPI
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'''
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from ipaddress import IPv4Address, IPv4Network, IPv6Address, IPv6Network
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from typing import Annotated, Optional, Union
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import geoip2.database
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from fastapi import FastAPI, Path, Body
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from pydantic import BaseModel
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app = FastAPI()
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GEOLITE2_ASN_DB = '/usr/local/share/GeoIP/GeoLite2-ASN.mmdb'
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GEOLITE2_CITY_DB = '/usr/local/share/GeoIP/GeoLite2-City.mmdb'
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class IPAddressParam(BaseModel):
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'''
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Payload entry as used in POST
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'''
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ip: Union[IPv6Address,IPv4Address]
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class Locality(BaseModel):
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'''
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Locality data
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'''
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city: Optional[str]
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country: Optional[str]
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continent: Optional[str]
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is_eu: bool
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class GeoLocation(BaseModel):
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'''
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Geolocation data model
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'''
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ip: Union[IPv6Address,IPv4Address]
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asn: Optional[int]
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asn_org: Optional[str]
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network: Union[IPv6Network,IPv4Network,None]
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locality: Locality
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@app.post("/")
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async def root_post(ipaddresses: Annotated[list[IPAddressParam],
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Body(title="The IPAddresses to geolocate")]
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) -> list[GeoLocation]:
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'''
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Return GeoLocation item(s) for a list of IPAddressParam objects
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'''
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geolocations = []
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with (geoip2.database.Reader(GEOLITE2_ASN_DB) as reader_asn,
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geoip2.database.Reader(GEOLITE2_CITY_DB) as reader_city):
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for ipaddress in ipaddresses:
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asn_data = reader_asn.asn(ipaddress.ip)
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city_data = reader_city.city(ipaddress.ip)
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geolocations.append(GeoLocation(
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ip=ipaddress.ip,
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asn=asn_data.autonomous_system_number,
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asn_org=asn_data.autonomous_system_organization,
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network=asn_data.network,
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locality=Locality(
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city=city_data.city.name,
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country=city_data.country.iso_code,
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continent=city_data.continent.code,
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is_eu=city_data.country.is_in_european_union
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)
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))
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return geolocations
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@app.get("/{ipaddress}")
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async def root_get(ipaddress: Annotated[Union[IPv4Address,IPv6Address],
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Path(title="The IPAddress to geolocate")]
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) -> GeoLocation:
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'''
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Look up geolocation for ip in path parameter
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'''
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return (await root_post([IPAddressParam(ip=ipaddress)])).pop()
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