public async Task<HttpResponseMessage> UploadFileAsync(AttachmentData attachmentData, CancellationToken token, IProgress<double> progress)
{
int bufferSize = ResolveBufferSize(attachmentData.Stream.Length);
using (var client = new HttpClient())
using (var content = new MultipartFormDataContent())
using (var stream = progress == null ? new ReportableStream(attachmentData.Stream) : new ReportableStream(attachmentData.Stream, progress))
using (var streamContent = new StreamContent(stream, bufferSize))
{
content.Add(streamContent);
streamContent.Headers.ContentType = new MediaTypeHeaderValue(attachmentData.ContentType);
var disposition = CreateContentDispositionHeader(attachmentData.FileName);
streamContent.Headers.ContentDisposition = disposition;
client.DefaultRequestHeaders.UserAgent.ParseAdd(Settings.UserAgent);
string uriString = string.Format(QueryString, Settings.Host, Settings.SessionId);
var uri = new Uri(uriString);
return await client.PostAsync(uri, content, token).ConfigureAwait(false);
}
}
private async TPL.Task<FileHandle> UplaodAttachmentAsync(FileAttachment fileAttachment)
{
using (var stream = new MemoryStream())
{
//Load the attachment into a file.
//This call results in a GetAttachment call to EWS.
fileAttachment.Load(stream);
stream.Seek(0, SeekOrigin.Begin);
var attachmentData = new AttachmentData
{
Id = fileAttachment.Id,
Stream = stream,
FileName = fileAttachment.FileName ?? fileAttachment.Name,
ContentType = fileAttachment.ContentType
};
var uploadFileAsync = await FileUploadService.UploadFileAsync(attachmentData);
var handle = await GetHandleFromResponse(uploadFileAsync);
return new FileHandle { Handle = handle, FileName = attachmentData.FileName };
}
}
private async TPL.Task<FileHandle> UploadEmlAsync(ExchangeService service, ItemId itemId)
{
using (var memoryStream = GetMimeContent(service, itemId))
{
var attachmentData = new AttachmentData
{
Id = Guid.Empty.ToString("D"),
Stream = memoryStream,
FileName = "current.eml",
ContentType = "message/rfc822"
};
var uploadFileAsync = await FileUploadService.UploadFileAsync(attachmentData);
var handle = await GetHandleFromResponse(uploadFileAsync);
return new FileHandle { Handle = handle, FileName = attachmentData.FileName };
}
}
public Task<HttpResponseMessage> UploadFileAsync(AttachmentData attachmentData)
{
return UploadFileAsync(attachmentData, CancellationToken.None);
}
