ExampleCode.py

import requests
import tempfile
import subprocess
import os

def make_api_call_with_pfx(pfx_path, pfx_password, url):
    """
    Makes an API call using a PFX certificate for mutual TLS authentication.

    Args:
        pfx_path (str): Path to the .pfx file.
        pfx_password (str): Password for the PFX file.
        url (str): API endpoint URL.

    Returns:
        requests.Response: The HTTP response object.
    """
    # Create temporary files for PEM certificate and key
    cert_file = tempfile.NamedTemporaryFile(delete=False)
    key_file = tempfile.NamedTemporaryFile(delete=False)

    try:
        # Extract certificate from PFX
        subprocess.run([
            "openssl", "pkcs12",
            "-in", pfx_path,
            "-clcerts", "-nokeys",
            "-out", cert_file.name,
            "-passin", f"pass:{pfx_password}"
        ], check=True)

        # Extract private key from PFX
        subprocess.run([
            "openssl", "pkcs12",
            "-in", pfx_path,
            "-nocerts", "-nodes",
            "-out", key_file.name,
            "-passin", f"pass:{pfx_password}"
        ], check=True)

        # Make the API request
        response = requests.get(url, cert=(cert_file.name, key_file.name))
        return response

    finally:
        # Clean up temporary files
        os.unlink(cert_file.name)
        os.unlink(key_file.name)


if __name__ == "__main__":
    # Example usage
    PFX_PATH = "your_certificate.pfx"
    PFX_PASSWORD = "your_pfx_password"
    API_URL = "https://api.example.com/endpoint"

    resp = make_api_call_with_pfx(PFX_PATH, PFX_PASSWORD, API_URL)
    print("Status Code:", resp.status_code)
    print("Response Body:", resp.text)