C# using WebClient to download chunked encoded content

Question

I wrote a client application that is suppose to download a file from a web server, very simple:

using (WebClient webClient = new WebClient())
{
    webClient.DownloadFile("http://localhost/audiotest/audio.wav", 
                           @"C:\audio.wav");
}

The web site (where audio file located: http://localhost/audiotest/audio.wav) has header Transfer-Encoding: chunked

When I run the program, I get following error:

The server committed a protocol violation. Section=ResponseBody Detail=Response chunk format is invalid

How can I download the file when server contains Transfer-Encoding: chunked header?

ZeNo · Accepted Answer · 2012-04-04 08:11:16Z

4

I haven't tried it but this might work:

If you forcefully send an request for Http 1.0 rather than Http 1.1 then server will reply with HTTP Header specifying Content-Length

HttpWebRequest wr = (HttpWebRequest)WebRequest.Create("http://localhost/audiotest/audio.wav");
wr.ProtocolVersion = Version.Parse("1.0"); 

HttpWebResponse response = (HttpWebResponse)request.GetResponse();

You will get the file as stream in response.GetResponseStream()

All credit to author of this

edited Apr 4, 2012 at 8:11

answered Apr 4, 2012 at 8:05

ZeNo

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