#!/usr/bin/env python3
from pathlib import Path
import argparse, base64, hashlib, json, lzma, marshal, os, plistlib, re, struct, subprocess, sys, zipfile, zlib

def xor(data, key):
    return bytes(b ^ key[i % len(key)] for i, b in enumerate(data))

def find_after(data, marker):
    off = data.index(marker) + len(marker)
    ln = struct.unpack_from('<I', data, off)[0]
    off += 4
    return data[off:off+ln]

def main():
    ap=argparse.ArgumentParser(); ap.add_argument('bin', nargs='?', default='../public/cratewatch'); args=ap.parse_args()
    data=Path(args.bin).read_bytes(); off=data.index(b'CRATEWATCHCFG')+13
    ln=struct.unpack_from('<I', data, off)[0]; off += 4
    cfg=json.loads(xor(data[off:off+ln], b'cratewatch-fastlog'))
    print(cfg['flag'])
if __name__=='__main__': main()