Files
bnet_auth_tool/bnet_auth_tool.py
T
2025-01-21 22:40:09 -05:00

367 lines
14 KiB
Python

import json
import base64
import binascii
import requests
from pathlib import Path
import sys
import qrcode
from typing import Any, Dict
print(r"""
____ _ _ _ _
| __ ) __ _ | |_ | |_ | | ___ _ __ ___ | |_
| _ \ / _` || __|| __|| | / _ \ | '_ \ / _ \| __|
| |_) || (_| || |_ | |_ | || __/ _ | | | || __/| |_
|____/ \__,_| \__| \__||_| \___|(_)|_| |_| \___| \__|
_ _ _ _ _ _
/ \ _ _ | |_ | |__ ___ _ __ | |_ (_) ___ __ _ | |_ ___ _ __
/ _ \ | | | || __|| '_ \ / _ \| '_ \ | __|| | / __| / _` || __| / _ \ | '__|
/ ___ \ | |_| || |_ | | | || __/| | | || |_ | || (__ | (_| || |_ | (_) || |
/_/ \_\ \__,_| \__||_| |_| \___||_| |_| \__||_| \___| \__,_| \__| \___/ |_|
_____ _
|_ _| ___ ___ | |
| | / _ \ / _ \ | |
| | | (_) || (_) || |
|_| \___/ \___/ |_|
""")
print("Battle.net Authenticator Tool - by Nighthawk42 - Version 1.1 (01/21/2025)")
class Title:
"""Console/Window Title."""
if sys.platform == "win32":
os.system('title Battle.net Authenticator Tool')
else:
sys.stdout.write("\x1b]2;Battle.net Authenticator Tool\x07")
class Config:
"""Configuration for Battle.net Authenticator API."""
BASE_URL = "https://authenticator-rest-api.bnet-identity.blizzard.net/v1/authenticator"
SSO_URL = "https://oauth.battle.net/oauth/sso"
CLIENT_ID = "baedda12fe054e4abdfc3ad7bdea970a"
class BattleNetAuthenticator:
"""
Handles Battle.net Authenticator operations, including attaching an authenticator,
retrieving device secrets, and generating TOTP keys.
"""
def __init__(self):
self.bearer_token = None
@staticmethod
def save_plain_json(filename: str, data: Dict[str, Any]) -> None:
"""
Saves data to a JSON file, prompting to overwrite if the file already exists.
"""
if Path(filename).exists():
while True:
overwrite = input(f"{filename} already exists. Do you want to overwrite it? (y/n): ").strip().lower()
if overwrite in {"y", "n"}:
break
print("Invalid input. Please enter 'y' or 'n'.")
if overwrite != "y":
print("Data not saved.")
return
try:
with open(filename, "w") as f:
json.dump(data, f, indent=4)
print(f"Data saved to {filename}.")
print("IMPORTANT: Ensure you securely back up this file and its contents.")
except IOError as e:
print(f"Failed to save data to {filename}: {e}")
@staticmethod
def load_json(filename: str) -> Dict[str, Any]:
"""
Loads data from a JSON file.
"""
try:
with open(filename, "r") as f:
data = json.load(f)
return data
except IOError as e:
print(f"Failed to load data from {filename}: {e}")
return {}
@staticmethod
def convert_secret_to_base32(secret: str) -> str:
"""
Converts a device secret to base32 encoding.
"""
try:
hex_secret = binascii.unhexlify(secret)
return base64.b32encode(hex_secret).decode("utf-8").replace("=", "")
except (binascii.Error, TypeError) as e:
raise Exception(f"Failed to convert secret: {e}")
@staticmethod
def generate_qr_code(totp_url: str, filename: str) -> None:
"""
Generates a QR code for the TOTP URL and saves it as an image file.
"""
qr = qrcode.QRCode(
version=1,
error_correction=qrcode.constants.ERROR_CORRECT_L,
box_size=10,
border=4,
)
qr.add_data(totp_url)
qr.make(fit=True)
img = qr.make_image(fill='black', back_color='white')
img.save(f"{filename}.png")
print(f"QR code saved as {filename}.png")
def reconstruct_totp_from_json(self) -> None:
"""
Reconstructs the TOTP key and QR code from a JSON file or prompts the user for information.
"""
json_files = list(Path('.').glob('*.json'))
if len(json_files) == 1:
filename = json_files[0]
elif len(json_files) > 1:
print("Multiple JSON files found:")
for i, file in enumerate(json_files, 1):
print(f"{i}. {file}")
choice = input("Enter the number of the file to use, or type 'manual' to enter information manually: ").strip()
if choice.lower() == 'manual':
filename = None
else:
try:
index = int(choice) - 1
filename = json_files[index]
except (ValueError, IndexError):
print("Invalid choice.")
return
else:
filename = None
if filename:
data = self.load_json(filename)
if not data:
print("Failed to load JSON file. Prompting for manual input.")
data = {}
else:
data = {}
serial = data.get("serial") or input("Enter Serial: ").strip()
restore_code = data.get("restoreCode") or input("Enter Restore Code: ").strip()
device_secret = data.get("deviceSecret") or input("Enter Device Secret: ").strip()
if not serial or not restore_code or not device_secret:
print("Incomplete data provided.")
return
base32_secret = self.convert_secret_to_base32(device_secret)
totp_url = f"otpauth://totp/Battle.net?secret={base32_secret}&digits=8"
print(f"TOTP URL: {totp_url}")
print("\nImportant: When importing the key, use these settings:")
print(" - Digits: 8")
print(" - Algorithm: SHA1")
print(" - Timeout: 30 seconds")
self.generate_qr_code(totp_url, f"reconstructed_{serial}")
input("\nPress any key to return to the main menu...")
def get_bearer_token(self, session_token):
"""
Retrieves the Bearer Token using the provided Session Token.
"""
payload = {
"client_id": Config.CLIENT_ID,
"grant_type": "client_sso",
"scope": "auth.authenticator",
"token": session_token,
}
headers = {"content-type": "application/x-www-form-urlencoded; charset=utf-8"}
try:
response = requests.post(Config.SSO_URL, data=payload, headers=headers)
response.raise_for_status()
self.bearer_token = response.json().get("access_token")
return self.bearer_token
except requests.exceptions.RequestException as e:
raise Exception(f"Failed to fetch bearer token: {e}")
def attach_authenticator(self):
"""
Attaches a new authenticator and returns its details.
"""
headers = {
"accept": "application/json",
"Authorization": f"Bearer {self.bearer_token}",
}
try:
response = requests.post(Config.BASE_URL, headers=headers)
response.raise_for_status()
return response.json()
except requests.exceptions.RequestException as e:
raise Exception(f"Failed to attach authenticator: {e}")
def retrieve_device_secret(self, serial, restore_code):
"""
Retrieves the device secret for an existing authenticator using its serial and restore code.
"""
headers = {
"accept": "application/json",
"Content-Type": "application/json",
"Authorization": f"Bearer {self.bearer_token}",
}
payload = {"serial": serial, "restoreCode": restore_code}
try:
response = requests.post(f"{Config.BASE_URL}/device", headers=headers, json=payload)
response.raise_for_status()
return response.json()
except requests.exceptions.RequestException as e:
raise Exception(f"Failed to retrieve device secret: {e}")
def show_session_token_instructions():
"""
Displays instructions for retrieving the Battle.net Session Token.
"""
print("\nHow to Get the Session Token:")
print("1. Open your web browser and navigate to:")
print(" https://account.battle.net/login/en/?ref=localhost")
print("2. Log in to your Battle.net account.")
print("3. After logging in, you'll see a 404 error page.")
print("4. Look at the URL in your browser's address bar.")
print(" The Session Token is the value after `ST=`.")
print(" Example: US-abcdef12345678 or EU-12345678abcdef")
print("5. Copy the Session Token and paste it into this tool when prompted.\n")
def graceful_exit():
"""
Gracefully exits the program with a backup reminder.
"""
print("\nExiting the program. Ensure you have securely backed up your data.")
sys.exit(0)
def interactive_cli():
"""
Main interactive CLI for the Battle.net Authenticator Tool.
"""
authenticator = BattleNetAuthenticator()
while True:
print("\nChoose an action:")
print("1. Attach a new authenticator")
print("2. Retrieve existing device secret")
print("3. Reconstruct TOTP from JSON")
print("4. Exit")
choice = input("Enter your choice (1/2/3/4): ").strip()
if choice == "1":
show_session_token_instructions()
session_token = input("Enter your Session Token (or type 'exit' to quit): ").strip()
if session_token.lower() == "exit":
graceful_exit()
if not session_token:
print("Session Token is required!")
continue
try:
print("Fetching Bearer Token...")
bearer_token = authenticator.get_bearer_token(session_token)
print(f"Bearer Token: {bearer_token}")
print("Attaching Authenticator...")
device_info = authenticator.attach_authenticator()
serial = device_info["serial"]
restore_code = device_info["restoreCode"]
device_secret = device_info["deviceSecret"]
print(f"Serial: {serial}")
print(f"Restore Code: {restore_code}")
print("Generating TOTP URL...")
base32_secret = authenticator.convert_secret_to_base32(device_secret)
totp_url = f"otpauth://totp/Battle.net?secret={base32_secret}&digits=8"
print(f"TOTP URL: {totp_url}")
print("\nImportant: When importing the key, use these settings:")
print(" - Digits: 8")
print(" - Algorithm: SHA1")
print(" - Timeout: 30 seconds")
# Save data and generate QR code
filename = f"authenticator_{serial}"
authenticator.save_plain_json(f"{filename}.json", device_info)
authenticator.generate_qr_code(totp_url, filename)
except Exception as e:
print(f"Error: {e}")
graceful_exit()
elif choice == "2":
show_session_token_instructions()
session_token = input("Enter your Session Token (or type 'exit' to quit): ").strip()
if session_token.lower() == "exit":
graceful_exit()
if not session_token:
print("Session Token is required!")
continue
try:
print("Fetching Bearer Token...")
bearer_token = authenticator.get_bearer_token(session_token)
print(f"Bearer Token: {bearer_token}")
serial = input("Enter Serial: ").strip()
restore_code = input("Enter Restore Code: ").strip()
if not serial or not restore_code:
print("Serial and Restore Code are required!")
continue
print("Retrieving Device Secret...")
device_info = authenticator.retrieve_device_secret(serial, restore_code)
device_secret = device_info["deviceSecret"]
print(f"Device Secret: {device_secret}")
print("Generating TOTP URL...")
base32_secret = authenticator.convert_secret_to_base32(device_secret)
totp_url = f"otpauth://totp/Battle.net?secret={base32_secret}&digits=8"
print(f"TOTP URL: {totp_url}")
print("\nImportant: When importing the key, use these settings:")
print(" - Digits: 8")
print(" - Algorithm: SHA1")
print(" - Timeout: 30 seconds")
# Save data and generate QR code
filename = f"authenticator_{serial}"
authenticator.save_plain_json(f"{filename}.json", {"serial": serial, "restoreCode": restore_code, "deviceSecret": device_secret})
authenticator.generate_qr_code(totp_url, filename)
except Exception as e:
print(f"Error: {e}")
graceful_exit()
elif choice == "3":
authenticator.reconstruct_totp_from_json()
elif choice == "4":
graceful_exit()
else:
print("Invalid choice!")
graceful_exit()
if __name__ == "__main__":
try:
interactive_cli()
except KeyboardInterrupt:
graceful_exit()