public Uri GetDownloadUri(StorageItem item) { if (item.GetType() == typeof(Folder)) { throw new NotImplementedException("Don't support download links for folders."); } var sasBuilder = new BlobSasBuilder { BlobContainerName = m_blobContainerClient.Name, BlobName = $"{item.DriveId}/{item.Id}", Resource = "b", ExpiresOn = DateTimeOffset.UtcNow.AddHours(1), ContentDisposition = $"attachment;filename={item.Name}" }; sasBuilder.SetPermissions(BlobSasPermissions.Read); return(m_blobContainerClient.GetBlobClient($"{item.DriveId}/{item.Id}") .GenerateSasUri(sasBuilder)); }