Getting Token using private key and certificate

bojanvelevski Below is the python files shared to us:

import sys
import json
import msal

from cryptography import x509
from cryptography.hazmat.primitives.serialization import load_pem_private_key

def print_result(result):
    if result['access_token']:
        print(result['access_token'])
    else:
        print(result['error'])
        print(result['error_description'])

def read_file(file_path):   
    return open(file_path, "rb").read()

# configuration file is passed via:
# py Azure\ Certificate\ Authentication.py Azure\ Certificate\ Authentication.json
config = json.load(open(sys.argv[1]))

# get private key from pfx file
private_key_path = config["private_key_path"]
certificate_path = config["certificate_path"]

private_key = load_pem_private_key(read_file(private_key_path), None)
certificate = x509.load_pem_x509_certificate(read_file(certificate_path))

# create application for access token request
app = msal.ConfidentialClientApplication(
    config["client_id"],
    authority=config["authority"],
    client_credential={
    "thumbprint": config["thumbprint"],
    "private_key": private_key}
    )

result = None

# request access token from cache
print("Request access token from cache.")
result = app.acquire_token_silent(config["scope"], account=None)

# request access token from aad
if not result:
    print("No access token in cache exists.\nRequest access token from AAD.")
    result = app.acquire_token_for_client(scopes=config["scope"])

print_result(result)