private async Task <StreamedResponse> ExecuteInternal(Request request, CancellationToken cancellationToken)
{
var responseMessage = await ExecuteRequest(request, cancellationToken);
var response = new StreamedResponse(async() =>
{
var contentStream = await responseMessage.Content.ReadAsStreamAsync();
// if there is a content-hash header value, we'll have to verify the returned stream with that hash
var expectedHash = responseMessage.Content.Headers.ContentMD5;
if (expectedHash != null)
{
return(new MD5VerifiedStream(contentStream, expectedHash));
}
else
{
return(contentStream);
}
}, responseMessage.Content.Headers.ContentLength)
{
StatusCode = responseMessage.StatusCode,
Timestamp = responseMessage.Headers.GetSingleHeaderValueAsDateTime(mwsTimestampHeaderName) ?? DateTimeOffset.UtcNow
};
response.Quota = ParseQuota(responseMessage, response.Timestamp);
if (!response.Success)
{
await ReadError(responseMessage, response);
}
return(response);
}
public Task <StreamedResponse> Execute(Request request, CancellationToken cancellationToken = default)
{
if (configuredResult is Stream stream)
{
var expectedLength = stream.CanSeek ? (long?)stream.Length : null;
var response = new StreamedResponse(() => Task.FromResult(stream), expectedLength)
{
StatusCode = System.Net.HttpStatusCode.OK
};
return(Task.FromResult(response));
}
else
{
throw new InvalidOperationException("No expected stream configured");
}
}
