Function _ensure_device_fp_cookie

Scripts/ButSystem.py:1378–1388

Ensure a stable per-device fingerprint id (random) stored in a cookie. This is *not* hardware fingerprinting; it's a per-browser random id.

(resp=None)

        nick = u
        try:
            if r["nickname_enc"]:
                nick = aesgcm_decrypt_text(r["nickname_enc"]) or u
        except Exception:
            nick = u
        pic_path = r["pic_path"]
        has_pic = bool(pic_path and os.path.exists(pic_path))
        on = is_online(u, scope)
        cards.append({"username": u, "nickname": nick, "has_pic": has_pic, "online": on})

    # Sort: online first, then nickname/username
    cards.sort(key=lambda c: (0 if c["online"] else 1, str(c["nickname"]).lower(), c["username"].lower()))

    online_count = sum(1 for c in cards if c["online"])
    offline_count = len(cards) - online_count