public static UploadFileResponse HttpWebRequestUploadFile(OneSkyService service, string url, string file, string paramName, Stream fileStream, string contentType)
{
string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.ContentType = "multipart/form-data; boundary=" + boundary;
req.Method = "POST";
req.KeepAlive = true;
using (var DataStream = new BinaryWriter(req.GetRequestStream(), System.Text.Encoding.UTF8))
{
DataStream.Write(boundarybytes, 0, boundarybytes.Length);
string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: {2}\r\n\r\n";
string header = string.Format(headerTemplate, paramName, file, contentType);
byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
DataStream.Write(headerbytes, 0, headerbytes.Length);
byte[] buffer = new byte[4096];
int bytesRead = 0;
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
DataStream.Write(buffer, 0, bytesRead);
}
byte[] trailer = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
DataStream.Write(trailer, 0, trailer.Length);
DataStream.Flush();
DataStream.Close();
}
try
{
using (HttpWebResponse Response = (HttpWebResponse)req.GetResponse())
{
using (Stream rawResponseStream = Response.GetResponseStream())
{
var responseText = service.StreamToString(rawResponseStream);
if (!string.IsNullOrWhiteSpace(responseText))
{
using (var responseStream = service.StringToStream(responseText))
{
var jsonSerializer = new DataContractJsonSerializer(typeof(UploadFileResponse));
return((UploadFileResponse)jsonSerializer.ReadObject(responseStream));
}
}
}
}
}
catch (WebException)
{
}
return(null);
}