public IHttpActionResult Blob(string path, string accountName)
{
if (String.IsNullOrEmpty(path) ||
String.IsNullOrEmpty(accountName))
{
return(Unauthorized());
}
// When linking to a blob, we must resolve the account name to handle cases
// where multiple storage accounts are being used.
CloudStorageAccount account = AccountProvider.GetAccountByName(accountName);
if (account == null)
{
return(Unauthorized());
}
BlobPath parsed = BlobPath.Parse(path);
LocalBlobDescriptor descriptor = new LocalBlobDescriptor
{
ContainerName = parsed.ContainerName,
BlobName = parsed.BlobName
};
var blob = descriptor.GetBlockBlob(account);
// Get a SAS for the next 10 mins
string sas = blob.GetSharedAccessSignature(new SharedAccessBlobPolicy
{
Permissions = SharedAccessBlobPermissions.Read,
SharedAccessExpiryTime = DateTime.UtcNow.AddMinutes(10)
});
// Redirect to it
return(Redirect(blob.Uri.AbsoluteUri + sas));
}