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https://github.com/malmeloo/FindMy.py.git
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60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
# ruff: noqa: T201, D103, S101
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"""
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Example showing how to retrieve the primary key of your own AirTag, or any other FindMy-accessory.
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This key can be used to retrieve the device's location for a single day.
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"""
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import plistlib
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from datetime import datetime
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from findmy import FindMyAccessory
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# PUBLIC key that the accessory is broadcasting or has previously broadcast.
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# For nearby devices, you can use `device_scanner.py` to find it.
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PUBLIC_KEY = ""
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# Path to a .plist dumped from the Find My app.
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PLIST_PATH = "airtag.plist"
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# == The variables below are auto-filled from the plist!! ==
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with open(PLIST_PATH, "rb") as f:
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device_data = plistlib.load(f)
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# PRIVATE master key. 28 (?) bytes.
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MASTER_KEY = device_data["privateKey"]["key"]["data"][-28:]
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# "Primary" shared secret. 32 bytes.
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SKN = device_data["sharedSecret"]["key"]["data"]
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# "Secondary" shared secret. 32 bytes.
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SKS = device_data["secondarySharedSecret"]["key"]["data"]
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# Lookahead in time slots. Each time slot is 15 minutes.
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# Should be AT LEAST the time that has passed since you paired the accessory!
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delta = datetime.now() - device_data["pairingDate"]
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MAX_LOOKAHEAD = int(delta.total_seconds() / (15 * 60)) + 1
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def main() -> None:
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airtag = FindMyAccessory(MASTER_KEY, SKN, SKS)
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for i in range(MAX_LOOKAHEAD):
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prim_key, sec_key = airtag.keys_at(i)
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if PUBLIC_KEY in (prim_key.adv_key_b64, sec_key.adv_key_b64):
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print("KEY FOUND!!")
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print(f"This key was found at index {i}."
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f" It was likely paired approximately {i * 15} minutes ago.")
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print()
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print("KEEP THE BELOW KEY SECRET! IT CAN BE USED TO RETRIEVE THE DEVICE'S LOCATION!")
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if prim_key.adv_key_b64 == PUBLIC_KEY:
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print(f"PRIMARY key: {prim_key.private_key_b64}")
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else:
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print(f"SECONDARY key: {sec_key.private_key_b64}")
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break
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else:
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print("No match found! :(")
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if __name__ == "__main__":
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main()
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