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public static string Post(Uri url, string[] files, NameValueCollection parameters)
{
string boundary = "----------------------------" + DateTime.Now.Ticks.ToString("x");
string entete = "Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}\n--" + boundary + "\r\n";
HttpWebRequest httpWebRequest2 = (HttpWebRequest)WebRequest.Create(url);
httpWebRequest2.ContentType = "multipart/form-data; boundary=" + boundary;
httpWebRequest2.Method = "POST";
httpWebRequest2.KeepAlive = true;
httpWebRequest2.Credentials = System.Net.CredentialCache.DefaultCredentials;
Stream memStream = new System.IO.MemoryStream();
byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
memStream.Write(boundarybytes, 0, boundarybytes.Length);
string fileTemplate = "Content-Disposition: attachment; name=\"files[]\"; filename=\"{0}\";\r\n Content-Type: application/octet-stream\r\n\r\n";
byte[] fileBytes;
for (int i = 0; i < files.Length; i++)
{
if (i == 0)
{
foreach (string item in parameters)
{
byte[] headerbytes = System.Text.Encoding.ASCII.GetBytes(string.Format(entete, item, parameters[item]));
memStream.Write(headerbytes, 0, headerbytes.Length);
}
}
fileBytes = System.Text.Encoding.ASCII.GetBytes(string.Format(fileTemplate, files[i]));
memStream.Write(fileBytes, 0, fileBytes.Length);
FileStream fileStream = new FileStream(files[i], FileMode.Open, FileAccess.Read);
byte[] buffer = new byte[1024];
int bytesRead = 0;
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
memStream.Write(buffer, 0, bytesRead);
}
memStream.Write(boundarybytes, 0, boundarybytes.Length);
fileStream.Close();
}
httpWebRequest2.ContentLength = memStream.Length;
Stream requestStream = httpWebRequest2.GetRequestStream();
memStream.Position = 0;
byte[] tempBuffer = new byte[memStream.Length];
memStream.Read(tempBuffer, 0, tempBuffer.Length);
memStream.Close();
requestStream.Write(tempBuffer, 0, tempBuffer.Length);
requestStream.Close();
WebResponse webResponse2 = httpWebRequest2.GetResponse();
Stream stream2 = webResponse2.GetResponseStream();
StreamReader reader2 = new StreamReader(stream2);
var result = reader2.ReadToEnd();
webResponse2.Close();
httpWebRequest2 = null;
webResponse2 = null;
return result;
} |
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