46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
"""
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AAGUID (Authenticator Attestation GUID) management for WebAuthn credentials.
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This module provides functionality to:
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- Load AAGUID data from JSON file
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- Look up authenticator information by AAGUID
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- Return only relevant AAGUID data for user credentials
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"""
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import json
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from collections.abc import Iterable
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from importlib.resources import files
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from uuid import UUID
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__ALL__ = ["AAGUID", "filter"]
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# Path to the AAGUID JSON file
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AAGUID_FILE = files("paskia") / "aaguid" / "combined_aaguid.json"
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AAGUID: dict[str, dict] = json.loads(AAGUID_FILE.read_text(encoding="utf-8"))
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def filter(aaguids: Iterable[UUID]) -> dict[str, dict]:
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"""
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Get AAGUID information only for the provided set of AAGUIDs.
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Args:
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aaguids: Iterable of AAGUIDs (UUIDs) that the user has credentials for
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Returns:
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Dictionary mapping AAGUID string to authenticator information for only
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the AAGUIDs that the user has and that we have data for
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"""
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result = {}
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for a in aaguids:
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s = str(a)
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if s in AAGUID:
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info = AAGUID[s].copy()
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# Rename icon_light to icon
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if "icon_light" in info:
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info["icon"] = info.pop("icon_light")
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# If icons are the same, set dark to None to save space
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if info.get("icon") == info.get("icon_dark"):
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info["icon_dark"] = None
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result[s] = info
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return result
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