In our ASP.NET Core based web application, we want the following: certain requested file types should get custom ContentType\'s in response. E.g. .map
should map to
Try to use HttpContext.Response.OnStarting
callback. This is the last event that is fired before the headers are sent.
public async Task Invoke(HttpContext context)
{
context.Response.OnStarting((state) =>
{
if (context.Response.StatusCode == (int)HttpStatusCode.OK)
{
if (context.Request.Path.Value.EndsWith(".map"))
{
context.Response.ContentType = "application/json";
}
}
return Task.FromResult(0);
}, null);
await nextMiddleware.Invoke(context);
}