Retrieve local anisette data

anisette.py

#!/usr/bin/env python3

import sys
import json
import typing as t

import objc
from Foundation import NSBundle, NSClassFromString, NSISO8601DateFormatter, NSDate, NSTimeZone
from AppKit import *


AOSKitBundle = NSBundle.bundleWithPath_('/System/Library/PrivateFrameworks/AOSKit.framework')
objc.loadBundleFunctions(AOSKitBundle, globals(), [("retrieveOTPHeadersForDSID", b''), ("machineSerialNumber", b'')])

def headers() -> t.Mapping[str, str]:
    aos_utils = NSClassFromString('AOSUtilities')
    date_formatter = NSISO8601DateFormatter.alloc().init()
    date_string = date_formatter.stringFromDate_(NSDate.alloc().init())

    current_device = AKDevice.currentDevice()
    otp_headers = aos_utils.retrieveOTPHeadersForDSID_("-2")

    return {
        'X-Apple-I-Client-Time': date_string,
        'X-Apple-MD': otp_headers["X-Apple-MD"],
        'X-Apple-MD-LU': current_device.localUserUUID(),
        'X-Apple-MD-M':  otp_headers["X-Apple-MD-M"],
        'X-Apple-I-MD-RINFO': "0",
        'X-Apple-I-SRL-NO': aos_utils.machineSerialNumber(),
        'X-Apple-I-TimeZone': NSTimeZone.systemTimeZone().abbreviation(),
        'X-Apple-Locale': current_device.locale().localeIdentifier(),
        'X-MMe-Client-Info': current_device.serverFriendlyDescription(),
        'X-Mme-Device-Id': current_device.uniqueDeviceIdentifier(),
    }

def main() -> None:
    json.dump(headers(), sys.stdout, indent=4)


if __name__ == "__main__":
    main()