Auth & security at scale
OAuth2, JWT, IAM patterns, secrets rotation, and least-privilege service auth.
Build a Mock OIDC Userinfo Endpoint in Python with Flask
Create a local mock OIDC userinfo endpoint in Flask that returns a standard JSON user payload, ideal for testing auth flows without a real identity provider.
from flask import Flask, jsonify
app = Flask(__name__)
@app.route("/userinfo")
def userinfo():
mock_user = {
"sub": "1234567890",
"name": "John Doe",
"email": "john@example.com",
"email_verified": True,
"groups": ["admin", "dev"]
}
return jsonify(mock_user)
if __n…How to Create and Verify an OpenID Connect ID Token in Python
Generate and validate a mock OpenID Connect ID token (JWT) with HS256 signing using only the Python standard library.
import base64
import hashlib
import hmac
import json
import time
from typing import Optional
def b64url_encode(data: bytes) -> str:
return base64.urlsafe_b64encode(data).rstrip(b"=").decode("utf-8")
def b64url_decode(data: str) -> bytes:
padding = "=" * (-len(data) % 4)
return base64.urlsafe_b64decode(…Browse by section
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Auth & security at scale — Python code examples
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