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Auth & security at scale

OAuth2, JWT, IAM patterns, secrets rotation, and least-privilege service auth.

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How to Implement an HSTS Preload List Mock in Python

Implements a mock HSTS preload list in Python that supports adding, removing, checking domains with subdomain inheritance, and listing domains.

hsts security domains

Python

import json

class HSTSPreloadList:
    def __init__(self):
        self.domains = {}

    def add_domain(self, domain, include_subdomains=False, max_age=31536000):
        self.domains[domain] = {
            "include_subdomains": include_subdomains,
            "max_age": max_age
        }

    def remove_domain(sel…

15 0 Open

Auth & security at scale medium

How to Mock HTTP Responses to Verify HSTS Headers in Python

This code demonstrates how to use unittest.mock to intercept and capture HTTP response headers, specifically the Strict-Transport-Security header, from a mocked HTTPServer handler for security validation.

hsts mock security

Python

from http.server import BaseHTTPRequestHandler, HTTPServer
from unittest.mock import patch

class StrictTransportMock(BaseHTTPRequestHandler):
    def do_GET(self):
        self.send_response(200)
        self.send_header("Strict-Transport-Security", "max-age=31536000; includeSubDomains")
        self.end_headers()
  …

13 0 Open

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