public static async Task CopyStreamTo(this HttpRequest incomingRequest, HttpWebRequest targetRequest)
{
targetRequest.CopyContentHeadersFrom(incomingRequest);
targetRequest.ContentType = incomingRequest.ContentType;
if (incomingRequest.ContentLength != null)
{
targetRequest.ContentLength = (long)incomingRequest.ContentLength;
}
targetRequest.Method = incomingRequest.Method;
await using var targetStream = targetRequest.GetRequestStream();
await incomingRequest.Body.CopyToAsync(targetStream);
}
