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uvicorn [fastapi] python run both HTTP and HTTPS – Nginx

I’m trying to run a fastapi app with SSL.

I am running the app with uvicorn.

I can run the server on port 80 with HTTP,

if __name__ == '__main__':
    uvicorn.run("main:app", port=80, host='0.0.0.0', reload = True, reload_dirs = ["html_files"])

To run the port with HTTPS, I do the following,

if __name__ == '__main__':
    uvicorn.run("main:app", port=443, host='0.0.0.0', reload = True, reload_dirs = ["html_files"], ssl_keyfile="/etc/letsencrypt/live/my_domain/privkey.pem", ssl_certfile="/etc/letsencrypt/live/my_domain/fullchain.pem")

How can I run both or simply integrate https redirect?

N.B: This is a setup on a server where I don’t want to use nginx, I know how to use nginx to implement https redirect.

Tags:

3

Answers


  1. 0

    Run a subprocess to return a redirect response from one port to another.

    main.py:

    if __name__ == '__main__':
    Popen(['python', '-m', 'https_redirect'])  # Add this
    uvicorn.run(
        'main:app', port=443, host='0.0.0.0',
        reload=True, reload_dirs=['html_files'],
        ssl_keyfile='/path/to/certificate-key.pem',
        ssl_certfile='/path/to/certificate.pem')

    https_redirect.py:

    import uvicorn
from fastapi import FastAPI
from starlette.requests import Request
from starlette.responses import RedirectResponse

app = FastAPI()


@app.route('/{_:path}')
async def https_redirect(request: Request):
    return RedirectResponse(request.url.replace(scheme='https'))

if __name__ == '__main__':
    uvicorn.run('https_redirect:app', port=80, host='0.0.0.0')
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  2. 0

    Use HTTPSRedirectMiddleware. This will enforce redirection to https on any incoming requests.

    from fastapi.middleware.httpsredirect import HTTPSRedirectMiddleware
app.add_middleware(HTTPSRedirectMiddleware)
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  3. 0

    I think you can redirect all traffic from port 80 to port 443 on the OS level using.
    For example, on Ubuntu, by run in the terminal:

    sudo iptables -t nat -L
sudo iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 443 # 80 -> 443
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