/// <summary>
/// Uploads the destinationPath with given path asynchronously
/// </summary>
/// <param name="path">The path of a destinationPath to upload</param>
/// <param name="blobTransferClient">The <see cref="BlobTransferClient"/> which is used to upload files.</param>
/// <param name="locator">An asset <see cref="ILocator"/> which defines permissions associated with the Asset.</param>
/// <param name="token">A <see cref="CancellationToken"/> to use for canceling upload operation.</param>
/// <returns>A function delegate that returns the future result to be available through the Task.</returns>
public Task UploadAsync(string path, BlobTransferClient blobTransferClient, ILocator locator, CancellationToken token)
{
if (blobTransferClient == null)
{
throw new ArgumentNullException("blobTransferClient");
}
if (locator == null)
{
throw new ArgumentNullException("locator");
}
if (path == null)
{
throw new ArgumentNullException("path");
}
if (!File.Exists(path))
{
throw new FileNotFoundException(path);
}
ValidateFileName(path);
IContentKey contentKeyData = null;
FileEncryption fileEncryption = null;
AssetCreationOptions assetCreationOptions = this.Asset.Options;
if (assetCreationOptions.HasFlag(AssetCreationOptions.StorageEncrypted))
{
contentKeyData = this.Asset.ContentKeys.Where(c => c.ContentKeyType == ContentKeyType.StorageEncryption).FirstOrDefault();
if (contentKeyData == null)
{
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, StringTable.StorageEncryptionContentKeyIsMissing, this.Asset.Id));
}
fileEncryption = new FileEncryption(contentKeyData.GetClearKeyValue(), EncryptionUtils.GetKeyIdAsGuid(contentKeyData.Id));
}
EventHandler <BlobTransferProgressChangedEventArgs> handler = (s, e) => OnUploadProgressChanged(path, e);
blobTransferClient.TransferProgressChanged += handler;
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetBlobStorageClientRetryPolicy();
return(blobTransferClient.UploadBlob(
new Uri(locator.BaseUri),
path,
null,
fileEncryption,
token,
retryPolicy.AsAzureStorageClientRetryPolicy(),
() => locator.ContentAccessComponent)
.ContinueWith(
ts =>
{
blobTransferClient.TransferProgressChanged -= handler;
this.PostUploadAction(ts, path, fileEncryption, assetCreationOptions, token);
}));
}
/// <summary>
/// Asynchronously downloads the represented file to the specified destination path.
/// </summary>
/// <param name="destinationPath">The path to download the file to.</param>
/// <param name="blobTransferClient">The <see cref="BlobTransferClient"/> which is used to download files.</param>
/// <param name="locator">An asset <see cref="ILocator"/> which defines permissions associated with the Asset.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// A function delegate that returns the future result to be available through the Task.
/// </returns>
public Task DownloadAsync(string destinationPath, BlobTransferClient blobTransferClient, ILocator locator, CancellationToken cancellationToken)
{
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetBlobStorageClientRetryPolicy();
return(this.DownloadToFileAsync(destinationPath, blobTransferClient, locator, retryPolicy.AsAzureStorageClientRetryPolicy(), cancellationToken));
}
/// <summary>
/// Asynchronously downloads the represented file to the specified destination path.
/// </summary>
/// <param name="destinationPath">The path to download the file to.</param>
/// <param name="blobTransferClient">The <see cref="BlobTransferClient"/> which is used to download files.</param>
/// <param name="locator">An asset <see cref="ILocator"/> which defines permissions associated with the Asset.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// A function delegate that returns the future result to be available through the Task.
/// </returns>
public Task DownloadAsync(string destinationPath, BlobTransferClient blobTransferClient, ILocator locator, CancellationToken cancellationToken)
{
if (this.IsFragmented())
{
throw new NotSupportedException(StringTable.NotSupportedFragblobDownload);
}
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetBlobStorageClientRetryPolicy();
return(this.DownloadToFileAsync(destinationPath, blobTransferClient, locator, retryPolicy.AsAzureStorageClientRetryPolicy(), cancellationToken));
}
/// <summary>
/// Uploads the stream asynchronously
/// </summary>
/// <param name="stream">The stream to upload</param>
/// <param name="blobTransferClient">The <see cref="BlobTransferClient"/> which is used to upload files.</param>
/// <param name="locator">An locator <see cref="ILocator"/> which defines permissions associated with the Asset.</param>
/// <param name="token">A <see cref="CancellationToken"/> to use for canceling upload operation.</param>
/// <returns>A function delegate that returns the future result to be available through the Task.</returns>
public Task UploadAsync(Stream stream, BlobTransferClient blobTransferClient, ILocator locator, CancellationToken token)
{
if (this.IsFragmented())
{
throw new NotSupportedException(StringTable.NotSupportedFragblobUpload);
}
if (blobTransferClient == null)
{
throw new ArgumentNullException("blobTransferClient");
}
if (locator == null)
{
throw new ArgumentNullException("locator");
}
if (stream == null)
{
throw new ArgumentNullException("stream");
}
IContentKey contentKeyData = null;
FileEncryption fileEncryption = null;
AssetCreationOptions assetCreationOptions = this.Asset.Options;
if (assetCreationOptions.HasFlag(AssetCreationOptions.StorageEncrypted))
{
contentKeyData = this.Asset.ContentKeys.FirstOrDefault(c => c.ContentKeyType == ContentKeyType.StorageEncryption);
if (contentKeyData == null)
{
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, StringTable.StorageEncryptionContentKeyIsMissing, this.Asset.Id));
}
fileEncryption = new FileEncryption(contentKeyData.GetClearKeyValue(), EncryptionUtils.GetKeyIdAsGuid(contentKeyData.Id));
ulong iv = Convert.ToUInt64(this.InitializationVector, CultureInfo.InvariantCulture);
fileEncryption.SetInitializationVectorForFile(this.Name, iv);
}
EventHandler <BlobTransferProgressChangedEventArgs> handler = (s, e) => OnUploadProgressChanged(this.Name, e);
blobTransferClient.TransferProgressChanged += handler;
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetBlobStorageClientRetryPolicy();
var streamLength = stream.Length;
return(blobTransferClient.UploadBlob(
new Uri(locator.BaseUri),
this.Name,
stream,
null,
fileEncryption,
token,
retryPolicy.AsAzureStorageClientRetryPolicy(),
() => locator.ContentAccessComponent)
.ContinueWith(
ts =>
{
blobTransferClient.TransferProgressChanged -= handler;
this.PostUploadAction(ts, streamLength, token);
}));
}
