How to force all links to use HTTPS instead of HTTP when using SSL Offload

We use ODATA (.net core) in servers behind a load balance where we do SSL Offload, this means that all ODATA API are hit with an http:// url.
I need to conditionally be able to force all urls to use https://.
How can I do it?

I went trough the source code but I could not find any hint on how to do what I need.

For now I wrote a simple middleware as shown below but this is an hack I don't like, and can have unforeseen side effects.

// Middleware used to simulate an https request when behing a load balancer with SSL offloade
app.Use(async (context, next) =>
{
    if (context.Request.Headers.ContainsKey("X-Forwarded-Proto"))
    {
        // The request schema is used by OData to generate all links like, Metadata, Next, GetById and so on
        context.Request.Scheme = "https";
    }
    await next();
});