public virtual WebRequestStream GetRequestStreamMultiPartUpload(WebRequest request, String fileName, long fileSize)
{
// generate mp support
WebRequestMultipartFormDataSupport mp = new WebRequestMultipartFormDataSupport();
// set the right size
fileSize = fileSize + mp.GetHeaderFooterSize(fileName);
// set the streaming buffering
#if !WINDOWS_PHONE
if (fileSize > 0)
{
// set the maximum content length size
request.ContentLength = fileSize;
}
#endif
// get the stream
WebRequestStream stream = GetRequestStream(request, fileSize);
// prepare the stream
mp.PrepareRequestStream(stream, fileName);
// go ahead
return(stream);
}
/// <summary>
/// This method returns a webrequest data stream and should be used in
/// a using clause
/// </summary>
/// <param name="request"></param>
/// <param name="length"></param>
/// <returns></returns>
public virtual WebRequestStream GetRequestStream(WebRequest request, long length)
{
// set the conten length
request.ContentLength = length;
// get the network stream
var nwStream = WebRequestStreamHelper.GetRequestStream(request);
// return the request streaM;
var ws = new WebRequestStream(nwStream, request, this);
// add pre dispose opp
ws.PushPreDisposeOperation(DisposeWebRequestStreams, request, ws);
// go ahead
return(ws);
}
/// <summary>
/// This method contains the routine which has to be executed when a request
/// stream will be disposed and will be called autoamtically
/// </summary>
private void DisposeWebRequestStreams(params object[] arg)
{
// get the params
WebRequest request = arg[0] as WebRequest;
WebRequestStream stream = arg[1] as WebRequestStream;
// check if we have a multipart upload
WebRequestMultipartFormDataSupport md = new WebRequestMultipartFormDataSupport();
if (md.IsRequestMultiPartUpload(request))
{
md.FinalizeNetworkFileDataStream(stream);
}
#if WINDOWS_PHONE
// Close Stream Bugfix for WP7
stream.Close();
#endif
}
public override Stream CreateUploadStream(IStorageProviderSession session, ICloudFileSystemEntry entry, long uploadSize)
{
if (entry is ICloudDirectoryEntry)
throw new ArgumentException("Upload operation can be perform for files only");
var tempStream = new FileStream(Path.GetTempFileName(), FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None, 4096, FileOptions.DeleteOnClose);
var uploadStream = new WebRequestStream(tempStream, null, null);
uploadStream.PushPreDisposeOperation(CommitUploadOperation, tempStream, uploadSize, session, entry);
return uploadStream;
}
public override Stream CreateUploadStream(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry, long uploadSize)
{
var tempStream = new FileStream(Path.GetTempFileName(), FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None, 4096, FileOptions.DeleteOnClose);
var stream = new WebRequestStream(tempStream, null, null);
stream.PushPreDisposeOperation(CommitUploadOperation, session, fileSystemEntry, tempStream, uploadSize);
return stream;
}
public override Stream CreateUploadStream(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry, long uploadSize)
{
String url;
bool update = false;
String type = GetMimeType(fileSystemEntry.Name);
if (GoogleDocsResourceHelper.IsResorceId(fileSystemEntry.Id)) //update existent
{
var ext = GoogleDocsResourceHelper.GetExtensionByKind(fileSystemEntry.GetPropertyValue(GoogleDocsConstants.KindProperty));
if (!String.IsNullOrEmpty(ext))
{
//for google docs kind we previously add an extension that don't needed anymore
var index = fileSystemEntry.Name.IndexOf('.' + ext, StringComparison.Ordinal);
(fileSystemEntry as BaseFileEntry).Name = fileSystemEntry.Name.Substring(0, index);
}
url = fileSystemEntry.GetPropertyValue(GoogleDocsConstants.ResEditMediaProperty);
update = true;
if (String.IsNullOrEmpty(url))
throw new HttpException(403, "User not authorize to update resource");
}
else
{
url = fileSystemEntry.Parent.GetPropertyValue(GoogleDocsConstants.ResCreateMediaProperty) + "?convert=false";
}
//first initiate resumable upload request
var initRequest = CreateWebRequest(session, url, update ? "PUT" : "POST", null);
initRequest.Headers.Add("X-Upload-Content-Length", uploadSize.ToString(CultureInfo.InvariantCulture));
initRequest.Headers.Add("X-Upload-Content-Type", type);
if (update)
{
initRequest.Headers.Add("If-Match", "*");
}
GoogleDocsXmlParser.WriteAtom(initRequest, GoogleDocsXmlParser.EntryElement(null, GoogleDocsXmlParser.TitleElement(fileSystemEntry.Name)));
var response = initRequest.GetResponse();
//secondly create request to obtained url
var uplRequest = CreateWebRequest(session, response.Headers["Location"], "PUT", null);
uplRequest.ContentLength = uploadSize;
uplRequest.ContentType = type;
uplRequest.Headers.Add("Content-Range", String.Format("bytes {0}-{1}/{2}", 0, uploadSize - 1, uploadSize));
var wrStream = new WebRequestStream(uplRequest.GetRequestStream(), uplRequest, null);
wrStream.PushPostDisposeOperation(CommitUploadOperation, session, uplRequest, fileSystemEntry);
return wrStream;
}
public override Stream CreateUploadStream(IStorageProviderSession session, ICloudFileSystemEntry entry, long uploadSize)
{
if (entry is ICloudDirectoryEntry)
throw new ArgumentException("Upload operation can be perform for files only");
String uri = String.Format("{0}/{1}/files/{2}", SkyDriveConstants.BaseAccessUrl, entry.ParentID, entry.Name);
uri = SignUri(session, uri);
WebRequest request = WebRequest.Create(uri);
request.Method = "PUT";
request.ContentLength = uploadSize;
if (entry is BaseFileEntry)
(entry as BaseFileEntry).Length = uploadSize;
var stream = new WebRequestStream(request.GetRequestStream(), request, null);
stream.PushPostDisposeOperation(CommitUploadOperation, request, entry);
return stream;
}
/// <summary>
/// This method returns a webrequest data stream and should be used in
/// a using clause
/// </summary>
/// <param name="request"></param>
/// <param name="length"></param>
/// <returns></returns>
public virtual WebRequestStream GetRequestStream(WebRequest request, long length)
{
#if !WINDOWS_PHONE
// set the conten length
request.ContentLength = length;
#endif
// get the network stream
Stream nwStream = WebRequestStreamHelper.GetRequestStream(request);
// return the request streaM;
WebRequestStream ws = new WebRequestStream(nwStream, request, this);
// add pre dispose opp
ws.PushPreDisposeOperation(DisposeWebRequestStreams, request, ws);
// go ahead
return ws;
}
