datasette-redirect-to-https by simonw

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Datasette plugin that redirects all non-https requests to https


Install this plugin in the same environment as Datasette.

$ datasette install datasette-redirect-to-https


Once installed, incoming GET requests to the http:// protocol will be 301 redirected to the https:// equivalent page.

HTTP verbs other than GET will get a 405 Method Not Allowed HTTP error.


Some hosting providers handle HTTPS for you, passing requests back to your application server over HTTP.

For this plugin to work correctly, it needs to detect that the original incoming request came in over HTTP.

Hosting providers like this often set an additional HTTP header such as x-forwarded-proto: http identifying the original protocol.

You can configure datasette-redirect-to-https to respect this header using the following plugin configuration in metadata.json:

  "plugins": {
    "datasette-redirect-to-https": {
      "if_headers": {
        "x-forwarded-proto": "http"

The above example will redirect to https:// if the incoming request has a x-forwarded-proto: http request header.

If multiple if_headers are listed, the redirect will occur if any of them match.


To set up this plugin locally, first checkout the code. Then create a new virtual environment:

cd datasette-redirect-to-https
python3 -m venv venv
source venv/bin/activate

Now install the dependencies and test dependencies:

pip install -e '.[test]'

To run the tests: