0 quick way to serve local https server.md

A quick way to serve local https server

Generate self-signed cert files

openssl genpkey -algorithm RSA -out key.pem
openssl req -new -key key.pem -out cert.csr -subj "/C=JP/ST=Tokyo/L=Chiyoda/O=Example Inc./CN=localhost"
openssl x509 -req -in cert.csr -signkey key.pem -out cert.pem -days 365

install aiohttp

python -m venv venv
. ./venv/bin/activate
pip install aiohttp

start server.py

python server.py

server.py

# https_static.py
import ssl
from aiohttp import web
import argparse
import pathlib
import logging

logging.basicConfig(level=logging.INFO)

def make_app(root_dir: str):
    app = web.Application()
    app.router.add_static('/', path=root_dir, show_index=True)
    return app

def make_ssl_context(certfile: str, keyfile: str) -> ssl.SSLContext:
    ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
    ctx.load_cert_chain(certfile=certfile, keyfile=keyfile)
    return ctx

if __name__ == "__main__":
    p = argparse.ArgumentParser()
    p.add_argument("--port", "-p", type=int, default=8080, help="port (default: 8080)")
    p.add_argument("--root", "-r", type=str, default=".", help="directory (default: current directory)")
    p.add_argument("--cert", type=str, default="cert.pem", help="cert file (PEM)")
    p.add_argument("--key", type=str, default="key.pem", help="private key file (PEM)")
    args = p.parse_args()

    root = pathlib.Path(args.root).resolve()
    if not root.exists():
        raise SystemExit(f"directory not found: {root}")

    app = make_app(str(root))
    ssl_ctx = make_ssl_context(args.cert, args.key)

    logging.info(f"Serving {root} on https://0.0.0.0:{args.port}/")
    web.run_app(app, port=args.port, ssl_context=ssl_ctx)