private string Sign(QueryString queryString)
{
var sign = _appSecret;
foreach (var item in queryString.GetSortedDictionary())
{
foreach (var val in item.Value)
{
sign += item.Key + val;
}
}
sign += _appSecret;
return(MD5Utility.Compute(sign));
}
public string HttpUpload(string apiContext, QueryString queryString, FileStream fileStream)
{
var finalParams = AddAdditionParams(queryString).GetEncodedString();
var url = GetUrl(apiContext) + "?" + finalParams;
var request = WebRequest.Create(url) as HttpWebRequest;
request.Method = "POST";
request.KeepAlive = true;
request.Headers["accept-encoding"] = "gzip,deflate";
request.UserAgent = "onecloud-video-dot-net-client";
var boundary = MD5Utility.Compute(DateTime.Now.Ticks.ToString("X") + "==");
request.ContentType = "multipart/form-data; boundary=" + boundary;
var multipartFileHeader = Encoding.UTF8.GetBytes("--" + boundary + "\r\n"
+ "Content-Disposition: form-data; name=\"uploadFile\"; filename=\"" + Path.GetFileName(fileStream.Name) + "\"\r\n"
+ "Content-Type: application/octet-stream\r\n"
+ "Content-Transfer-Encoding:binary\r\n\r\n");
var endBoundary = Encoding.UTF8.GetBytes("\r\n\r\n--" + boundary + "--\r\n");
request.ContentLength = multipartFileHeader.Length + fileStream.Length + endBoundary.Length;
using (var stream = request.GetRequestStream())
{
// write header
stream.Write(multipartFileHeader, 0, multipartFileHeader.Length);
// write file
var buff = new byte[10240];
var byteRead = 0;
while ((byteRead = fileStream.Read(buff, 0, buff.Length)) != 0)
{
stream.Write(buff, 0, byteRead);
}
// write end boundary
stream.Write(endBoundary, 0, endBoundary.Length);
}
using (var reader = new StreamReader(request.GetResponse().GetResponseStream(), Encoding.UTF8))
{
return(reader.ReadToEnd());
}
}
