BigPanda
Joined: 29 May 2008
Posts: 50
|
 Posted: Tue Nov 18, 2008 1:04 am Post subject: Upload a file via HTTP post |
 |
|
| Code: | public void WebRequestUploadSuccessTest()
{
// Setup user params
string VideoFile = @"f:\vids\testvideo.avi";
// Setup soap classes
Authentication auth = new Authentication();
auth.Url = "https://services.nirvanix.com/ws/Authentication.asmx";
IMFS imfs = new IMFS();
imfs.Url = "http://services.nirvanix.com/ws/IMFS.asmx";
// Login and get sessionToken
string sessionToken = auth.Login(appKey, Username, Password);
// Get the upload node
UploadNode node = imfs.GetUploadNode(sessionToken, new FileInfo(VideoFile).Length);
// Format the URL with
string url = "http://" + node.IPAddress + "/Upload.ashx?uploadToken=" + node.AccessToken + "&destFolderPath=/httpupload/";
string response = UploadFilesToRemoteUrl(url, VideoFile);
Console.Write(response);
}
/// <summary>
/// A method to upload files to the remote server streaming.
/// </summary>
private string UploadFilesToRemoteUrl(string url, string file)
{
// Create a boundry
string boundary = "----------------------------" + DateTime.Now.Ticks.ToString("x");
// Create the web request
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
httpWebRequest.ContentType = "multipart/form-data; boundary=" + boundary;
httpWebRequest.Method = "POST";
httpWebRequest.KeepAlive = true;
httpWebRequest.Credentials =
System.Net.CredentialCache.DefaultCredentials;
// Get the boundry in bytes
byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
// Get the header for the file upload
string headerTemplate = "Content-Disposition: form-data; name=\"{0}\";filename=\"{1}\"\r\n Content-Type: application/octet-stream\r\n\r\n";
// Add the filename to the header
string header = string.Format(headerTemplate, "file", file);
//convert the header to a byte array
byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
// Add all of the content up.
httpWebRequest.ContentLength = new FileInfo(file).Length + headerbytes.Length + (boundarybytes.Length * 2) + 2;
// Get the output stream
Stream requestStream = httpWebRequest.GetRequestStream();
// Write out the starting boundry
requestStream.Write(boundarybytes, 0, boundarybytes.Length);
// Write the header including the filename.
requestStream.Write(headerbytes, 0, headerbytes.Length);
// Open up a filestream.
FileStream fileStream = new FileStream(file, FileMode.Open, FileAccess.Read);
// Use 4096 for the buffer
byte[] buffer = new byte[4096];
int bytesRead = 0;
// Loop through whole file uploading parts in a stream.
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
requestStream.Write(buffer, 0, bytesRead);
requestStream.Flush();
}
boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
// Write out the trailing boundry
requestStream.Write(boundarybytes, 0, boundarybytes.Length);
// Close the request and file stream
requestStream.Close();
fileStream.Close();
WebResponse webResponse = httpWebRequest.GetResponse();
Stream responseStream = webResponse.GetResponseStream();
StreamReader responseReader = new StreamReader(responseStream);
string responseString = responseReader.ReadToEnd();
// Close response object.
webResponse.Close();
return responseString;
} |
|
|
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
