public ResumableUploadSession CreateResumableSession(File driveFile, long contentLength)
{
if (driveFile == null)
{
throw new ArgumentNullException("driveFile");
}
var fileId = string.Empty;
var method = "POST";
var body = string.Empty;
if (driveFile.Id != null)
{
fileId = "/" + driveFile.Id;
method = "PUT";
}
else
{
var parents = driveFile.Parents.FirstOrDefault();
var folderId = parents != null ? parents.Id : null;
var titleData = !string.IsNullOrEmpty(driveFile.Title) ? string.Format("\"title\":\"{0}\"", driveFile.Title) : "";
var parentData = !string.IsNullOrEmpty(folderId) ? string.Format(",\"parents\":[{{\"id\":\"{0}\"}}]", folderId) : "";
body = !string.IsNullOrEmpty(titleData + parentData) ? string.Format("{{{0}{1}}}", titleData, parentData) : "";
}
var request = WebRequest.Create(GoogleUrlUpload + fileId + "?uploadType=resumable&conver=false");
request.Method = method;
var bytes = Encoding.UTF8.GetBytes(body);
request.ContentLength = bytes.Length;
request.ContentType = "application/json; charset=UTF-8";
request.Headers.Add("X-Upload-Content-Type", MimeMapping.GetMimeMapping(driveFile.Title));
request.Headers.Add("X-Upload-Content-Length", contentLength.ToString(CultureInfo.InvariantCulture));
request.Headers.Add("Authorization", "Bearer " + AccessToken);
request.GetRequestStream().Write(bytes, 0, bytes.Length);
var uploadSession = new ResumableUploadSession(driveFile, contentLength);
using (var response = request.GetResponse())
{
uploadSession.Location = response.Headers["Location"];
}
uploadSession.Status = ResumableUploadSessionStatus.Started;
return(uploadSession);
}
public void Transfer(ResumableUploadSession googleDriveSession, Stream stream, long chunkLength)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (googleDriveSession.Status != ResumableUploadSessionStatus.Started)
{
throw new InvalidOperationException("Can't upload chunk for given upload session.");
}
var request = WebRequest.Create(googleDriveSession.Location);
request.Method = "PUT";
request.ContentLength = chunkLength;
request.Headers.Add("Authorization", "Bearer " + AccessToken);
request.Headers.Add("Content-Range", string.Format("bytes {0}-{1}/{2}",
googleDriveSession.BytesTransfered,
googleDriveSession.BytesTransfered + chunkLength - 1,
googleDriveSession.BytesToTransfer));
using (var requestStream = request.GetRequestStream())
{
stream.CopyTo(requestStream);
}
HttpWebResponse response;
try
{
response = (HttpWebResponse)request.GetResponse();
}
catch (WebException exception)
{
if (exception.Status == WebExceptionStatus.ProtocolError)
{
if (exception.Response != null && exception.Response.Headers.AllKeys.Contains("Range"))
{
response = (HttpWebResponse)exception.Response;
}
else if (exception.Message.Equals("Invalid status code: 308", StringComparison.InvariantCulture)) //response is null (unix)
{
response = null;
}
else
{
throw;
}
}
else
{
throw;
}
}
if (response == null || response.StatusCode != HttpStatusCode.Created && response.StatusCode != HttpStatusCode.OK)
{
var uplSession = googleDriveSession;
uplSession.BytesTransfered += chunkLength;
if (response != null)
{
var locationHeader = response.Headers["Location"];
if (!string.IsNullOrEmpty(locationHeader))
{
uplSession.Location = locationHeader;
}
}
}
else
{
googleDriveSession.Status = ResumableUploadSessionStatus.Completed;
using var responseStream = response.GetResponseStream();
if (responseStream == null)
{
return;
}
string responseString;
using (var readStream = new StreamReader(responseStream))
{
responseString = readStream.ReadToEnd();
}
var responseJson = JObject.Parse(responseString);
googleDriveSession.FileId = responseJson.Value <string>("id");
}
if (response != null)
{
response.Close();
}
}
public void Transfer(ResumableUploadSession googleDriveSession, Stream stream, long chunkLength)
{
if (stream == null)
throw new ArgumentNullException("stream");
if (googleDriveSession.Status != ResumableUploadSessionStatus.Started)
throw new InvalidOperationException("Can't upload chunk for given upload session.");
var request = WebRequest.Create(googleDriveSession.Location);
request.Method = "PUT";
request.ContentLength = chunkLength;
request.Headers.Add("Authorization", "Bearer " + AccessToken);
request.Headers.Add("Content-Range", string.Format("bytes {0}-{1}/{2}",
googleDriveSession.BytesTransfered,
googleDriveSession.BytesTransfered + chunkLength - 1,
googleDriveSession.BytesToTransfer));
using (var requestStream = request.GetRequestStream())
{
stream.CopyTo(requestStream);
}
HttpWebResponse response;
try
{
response = (HttpWebResponse)request.GetResponse();
}
catch (WebException exception)
{
if (exception.Status == WebExceptionStatus.ProtocolError && exception.Response != null && exception.Response.Headers.AllKeys.Contains("Range"))
{
response = (HttpWebResponse)exception.Response;
}
else
{
throw;
}
}
if (response.StatusCode != HttpStatusCode.Created && response.StatusCode != HttpStatusCode.OK)
{
var uplSession = googleDriveSession;
uplSession.BytesTransfered += chunkLength;
var locationHeader = response.Headers["Location"];
if (!string.IsNullOrEmpty(locationHeader))
{
uplSession.Location = locationHeader;
}
}
else
{
googleDriveSession.Status = ResumableUploadSessionStatus.Completed;
using (var responseStream = response.GetResponseStream())
{
if (responseStream == null) return;
var respFile = FileFromString(new StreamReader(responseStream).ReadToEnd());
var initFile = googleDriveSession.File;
initFile.Id = respFile.Id;
initFile.Title = respFile.Title;
initFile.MimeType = respFile.MimeType;
initFile.FileSize = respFile.FileSize;
initFile.CreatedDate = respFile.CreatedDate;
initFile.ModifiedDate = respFile.ModifiedDate;
initFile.Parents = respFile.Parents;
}
}
response.Close();
}
public ResumableUploadSession CreateResumableSession(File driveFile, long contentLength)
{
if (driveFile == null) throw new ArgumentNullException("driveFile");
var fileId = string.Empty;
var method = "POST";
var body = string.Empty;
if (driveFile.Id != null)
{
fileId = "/" + driveFile.Id;
method = "PUT";
}
else
{
var parents = driveFile.Parents.FirstOrDefault();
var folderId = parents != null ? parents.Id : null;
var titleData = !string.IsNullOrEmpty(driveFile.Title) ? string.Format("\"title\":\"{0}\"", driveFile.Title) : "";
var parentData = !string.IsNullOrEmpty(folderId) ? string.Format(",\"parents\":[{{\"id\":\"{0}\"}}]", folderId) : "";
body = !string.IsNullOrEmpty(titleData + parentData) ? string.Format("{{{0}{1}}}", titleData, parentData) : "";
}
var request = WebRequest.Create(GoogleUrlUpload + fileId + "?uploadType=resumable&conver=false");
request.Method = method;
var bytes = Encoding.UTF8.GetBytes(body);
request.ContentLength = bytes.Length;
request.ContentType = "application/json; charset=UTF-8";
request.Headers.Add("X-Upload-Content-Type", MimeMapping.GetMimeMapping(driveFile.Title));
request.Headers.Add("X-Upload-Content-Length", contentLength.ToString(CultureInfo.InvariantCulture));
request.Headers.Add("Authorization", "Bearer " + AccessToken);
request.GetRequestStream().Write(bytes, 0, bytes.Length);
var uploadSession = new ResumableUploadSession(driveFile, contentLength);
using (var response = request.GetResponse())
{
uploadSession.Location = response.Headers["Location"];
}
uploadSession.Status = ResumableUploadSessionStatus.Started;
return uploadSession;
}
public void Transfer(ResumableUploadSession googleDriveSession, Stream stream, long chunkLength)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (googleDriveSession.Status != ResumableUploadSessionStatus.Started)
{
throw new InvalidOperationException("Can't upload chunk for given upload session.");
}
var request = WebRequest.Create(googleDriveSession.Location);
request.Method = "PUT";
request.ContentLength = chunkLength;
request.Headers.Add("Authorization", "Bearer " + AccessToken);
request.Headers.Add("Content-Range", string.Format("bytes {0}-{1}/{2}",
googleDriveSession.BytesTransfered,
googleDriveSession.BytesTransfered + chunkLength - 1,
googleDriveSession.BytesToTransfer));
using (var requestStream = request.GetRequestStream())
{
stream.CopyTo(requestStream);
}
HttpWebResponse response;
try
{
response = (HttpWebResponse)request.GetResponse();
}
catch (WebException exception)
{
if (exception.Status == WebExceptionStatus.ProtocolError && exception.Response != null && exception.Response.Headers.AllKeys.Contains("Range"))
{
response = (HttpWebResponse)exception.Response;
}
else
{
throw;
}
}
if (response.StatusCode != HttpStatusCode.Created && response.StatusCode != HttpStatusCode.OK)
{
var uplSession = googleDriveSession;
uplSession.BytesTransfered += chunkLength;
var locationHeader = response.Headers["Location"];
if (!string.IsNullOrEmpty(locationHeader))
{
uplSession.Location = locationHeader;
}
}
else
{
googleDriveSession.Status = ResumableUploadSessionStatus.Completed;
using (var responseStream = response.GetResponseStream())
{
if (responseStream == null)
{
return;
}
var respFile = FileFromString(new StreamReader(responseStream).ReadToEnd());
var initFile = googleDriveSession.File;
initFile.Id = respFile.Id;
initFile.Title = respFile.Title;
initFile.MimeType = respFile.MimeType;
initFile.FileSize = respFile.FileSize;
initFile.CreatedDate = respFile.CreatedDate;
initFile.ModifiedDate = respFile.ModifiedDate;
initFile.Parents = respFile.Parents;
}
}
response.Close();
}
