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Update parse.py to accept JSON dumps #78

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17 changes: 14 additions & 3 deletions parse.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,12 @@

# Python script to parse Bambu Lab RFID tag data
# Created for https://github.com/Bambu-Research-Group/RFID-Tag-Guide
# Written by Vinyl Da.i'gyu-Kazotetsu (www.queengoob.org), 2024
# Written by Vinyl Da.i'gyu-Kazotetsu (www.queengoob.org), 2024-2025

import sys
import struct
import re
import json
from datetime import datetime
from pathlib import Path

Expand Down Expand Up @@ -130,10 +131,20 @@ def extend(self, other):

class Tag():
def __init__(self, filename, data):
# Check to make sure the data is 1KB or a known alternative
# Proxmark3 JSON dump
try:
json_data = json.loads(data)
if json_data.get("Created") == "proxmark3":
data = b"".join([bytes.fromhex(json_data["blocks"][key].replace("??", "00")) for key in json_data["blocks"]])
except ValueError:
# We know that the data isn't JSON now
pass

# Flipper NFC dump
if data.startswith(b"Filetype: Flipper NFC"):
# Flipper NFC dump
data = strip_flipper_data(data)

# Check to make sure the data is 1KB or a known alternative
if len(data) not in TOTAL_BYTES:
raise TagLengthMismatchError(len(data))

Expand Down