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Upload image direct to blob storage using SAS and the Storage Client library for Windows CTP

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...
 
using Microsoft.WindowsAzure.Storage.Auth;
using Microsoft.WindowsAzure.Storage.Blob;
 
...
 
private async void OnTakePhotoClick(object sender, RoutedEventArgs e)
{
//Take photo or video
CameraCaptureUI cameraCapture = new CameraCaptureUI();
StorageFile media = await cameraCapture.CaptureFileAsync(CameraCaptureUIMode.PhotoOrVideo);
 
if (media != null)
{
//add todo item to trigger insert operation which returns item.SAS
var todoItem = new TodoItem()
{
ContainerName = "mypics",
ResourceName = media.Name,
Text = "NA",
};
await todoTable.InsertAsync(todoItem);
items.Add(todoItem);
 
//Upload image direct to blob storage using SAS and the Storage Client library for Windows CTP
//Get a stream of the image just taken
using (var fileStream = await media.OpenStreamForReadAsync())
{
var sasUri = new Uri(todoItem.SAS);
 
//Our credential for the upload is our SAS token
StorageCredentials cred = new StorageCredentials(sasUri.Query.Substring(1));
CloudBlobContainer container = new CloudBlobContainer(new Uri(string.Format("https://{0}/{1}", sasUri.Host, todoItem.ContainerName)), cred);
CloudBlockBlob blobFromSASCredential = container.GetBlockBlobReference(todoItem.ResourceName);
await blobFromSASCredential.UploadFromStreamAsync(fileStream.AsInputStream());
}
}
}
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