Python based HTTP server with CORS

SimpleHTTPServerWithCORS.py

#!/usr/bin/env python2
from SimpleHTTPServer import SimpleHTTPRequestHandler
import BaseHTTPServer

class CORSRequestHandler (SimpleHTTPRequestHandler):
    def end_headers (self):
        self.send_header('Access-Control-Allow-Origin', '*')
        SimpleHTTPRequestHandler.end_headers(self)

if __name__ == '__main__':
    BaseHTTPServer.test(CORSRequestHandler, BaseHTTPServer.HTTPServer)

SimpleHTTPServerWithCORS3.py

#!/usr/bin/env python3
import http.server
import socketserver

IP = "0.0.0.0"
PORT = 8000

class CORSRequestHandler(http.server.SimpleHTTPRequestHandler):
  def end_headers(self):
    self.send_header('Access-Control-Allow-Origin', '*')
    # For SharedArrayBuffer: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer#security_requirements
    self.send_header('Cross-Origin-Opener-Policy', 'same-origin')
    self.send_header('Cross-Origin-Embedder-Policy', 'require-corp')
    http.server.SimpleHTTPRequestHandler.end_headers(self)

Handler = CORSRequestHandler

with socketserver.TCPServer((IP, PORT), Handler) as httpd:
  print(f'Serving HTTP with CORS on {IP} port {PORT} (http://{IP}:{PORT}/) ...')
  httpd.serve_forever()

SimpleHTTPSServerWithCORS3.py

#!/usr/bin/env python3
import http.server
import socketserver
import ssl

IP = "0.0.0.0"
PORT = 4443

class CORSRequestHandler(http.server.SimpleHTTPRequestHandler):
  def end_headers(self):
    self.send_header('Access-Control-Allow-Origin', '*')
    # For SharedArrayBuffer: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer#security_requirements
    self.send_header('Cross-Origin-Opener-Policy', 'same-origin')
    self.send_header('Cross-Origin-Embedder-Policy', 'require-corp')
    http.server.SimpleHTTPRequestHandler.end_headers(self)

Handler = CORSRequestHandler

# Create a certificate with:
# openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -subj "/C=DE/ST=NRW/L=Berlin/O=My Inc/OU=DevOps/CN=www.example.com/[email protected]"

with socketserver.TCPServer((IP, PORT), Handler) as httpd:
  httpd.socket = ssl.wrap_socket(httpd.socket, keyfile='key.pem', certfile='cert.pem', server_side=True)
  print(f'Serving HTTP with CORS on {IP} port {PORT} (http://{IP}:{PORT}/) ...')
  httpd.serve_forever()