# -*- coding: utf-8 -*- import re import zipfile from pathlib import Path APK = Path(__file__).resolve().parent.parent / "apks" / "maribank_sg_base.apk" needles = [b"getDfp empty!", b"getDfp onError:", b"getDfpByMMKV:", b"The dfp is empty in register scene"] with zipfile.ZipFile(str(APK)) as zf: data = b"".join(zf.read(n) for n in zf.namelist() if n.endswith(".dex")) all_classes = [m.group().decode()[1:-1].replace("/", ".") for m in re.finditer(rb"Lcom/shopee/bke/[\w$/]{5,160};", data)] for needle in needles: print("\n===", needle.decode(), "===") idx = data.find(needle) if idx < 0: print("not found") continue window = data[max(0, idx - 8000) : idx + 8000] nearby = sorted(set(m.group().decode()[1:-1].replace("/", ".") for m in re.finditer(rb"Lcom/shopee/bke/[\w$/]{5,160};", window))) for c in nearby: if any(k in c.lower() for k in ("dfp", "finger", "device", "register", "user", "util", "manager", "helper", "repo", "data", "rn")): print(" ", c) dfp_classes = sorted(set(c for c in all_classes if "dfp" in c.lower() or "fingerprint" in c.lower())) print("\n=== dfp/fingerprint class names ===") for c in dfp_classes: print(c)