33 lines
1008 B
Python

"""
AAGUID (Authenticator Attestation GUID) management for WebAuthn credentials.
This module provides functionality to:
- Load AAGUID data from JSON file
- Look up authenticator information by AAGUID
- Return only relevant AAGUID data for user credentials
"""
import json
from collections.abc import Iterable
from importlib.resources import files
__ALL__ = ["AAGUID", "filter"]
# Path to the AAGUID JSON file
AAGUID_FILE = files("passkey") / "aaguid" / "combined_aaguid.json"
AAGUID: dict[str, dict] = json.loads(AAGUID_FILE.read_text(encoding="utf-8"))
def filter(aaguids: Iterable[str]) -> dict[str, dict]:
"""
Get AAGUID information only for the provided set of AAGUIDs.
Args:
aaguids: Set of AAGUID strings that the user has credentials for
Returns:
Dictionary mapping AAGUID to authenticator information for only
the AAGUIDs that the user has and that we have data for
"""
return {aaguid: AAGUID[aaguid] for aaguid in aaguids if aaguid in AAGUID}