import json import logging from datetime import datetime # Configure logging logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s') def write_to_json(app_registrations, filename='app_registrations.json'): """ Write app registration data to a JSON file. :param app_registrations: List of app registration data :param filename: Name of the JSON file to write to """ try: with open(filename, 'w') as f: json.dump(app_registrations, f, indent=4) logging.info(f"App registration data successfully written to {filename}") except Exception as e: logging.error(f"Failed to write app registration data to {filename}: {e}") def generate_html(app_registrations): """ Generate an HTML representation of the app registration data. :param app_registrations: List of app registration data :return: HTML string """ current_time = datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S') html = f""" App Registrations

Azure App Registration Expiry Notification

This is an automated notification regarding expiring Azure App Registrations that you own or manage.

Why am I receiving this?
You are receiving this email because you are listed as an owner of one or more Azure App Registrations that are approaching their expiration date or have already expired.

Required Actions:

Review the list of app registrations below
For any expiring or expired registrations:
- Verify if the app registration is still needed
- If needed, renew the credentials before they expire
- If not needed, consider removing the app registration

Color Coding:

Green: More than 30 days until expiry
Yellow: Between 8-30 days until expiry
Orange: 7 days or less until expiry
Red: Expired

If you need assistance, please contact the IT Support team.

App Registrations

Exported on: {current_time}

""" for app in app_registrations: password_credentials = app.get('passwordCredentials', []) if not password_credentials: continue expiry_date = password_credentials[0].get('endDateTime') if expiry_date: # Clean up the date string if expiry_date.endswith('ZZ'): expiry_date = expiry_date[:-1] elif expiry_date.endswith('Z'): expiry_date = expiry_date[:-1] # Truncate the fractional seconds part to 6 digits if present if '.' in expiry_date: expiry_date = expiry_date.split('.')[0] + '.' + expiry_date.split('.')[1][:6] + 'Z' else: expiry_date += '.000000Z' try: expiry_date = datetime.strptime(expiry_date, '%Y-%m-%dT%H:%M:%S.%fZ') except ValueError as e: logging.error(f"Error parsing expiry date for {app['displayName']}: {e}") continue days_to_expiry = (expiry_date - datetime.utcnow()).days # Determine row color class if days_to_expiry > 30: color_class = "green" elif 7 < days_to_expiry <= 30: color_class = "yellow" elif 1 <= days_to_expiry <= 7: color_class = "orange" else: color_class = "red" days_to_expiry = "EXPIRED" # Get owner information owners = app.get('owners', []) owner_upns = [owner.get('userPrincipalName') for owner in owners if owner.get('userPrincipalName')] owner_list = ', '.join(owner_upns) if owner_upns else 'No owners' html += f""" """ html += """

Display Name	Expiry Date	Days to Expiry	Owners
{app['displayName']}	{expiry_date.strftime('%Y-%m-%d')}	{days_to_expiry}	{owner_list}

""" return html def generate_expiry_text(app_name, days_to_expiry, expiry_date): if days_to_expiry > 30: color = "#28a745" # green elif days_to_expiry > 7: color = "#ffc107" # yellow elif days_to_expiry > 0: color = "#ff9800" # orange else: color = "#dc3545" # red days_to_expiry = "EXPIRED" return f"""

The app registration {app_name} is set to expire in {days_to_expiry} days on {expiry_date.strftime('%Y-%m-%d')}

""" # Example usage if __name__ == "__main__": # Sample app registration data app_registrations = [ { "displayName": "App1", "passwordCredentials": [{"endDateTime": "2024-12-31T23:59:59.9999999Z"}] }, { "displayName": "App2", "passwordCredentials": [{"endDateTime": "2025-01-15T23:59:59.9999999Z"}] } ] # Write to JSON write_to_json(app_registrations) # Generate HTML html_content = generate_html(app_registrations) with open('app_registrations.html', 'w') as f: f.write(html_content) logging.info("HTML content successfully written to app_registrations.html")