private void PostUploadAction(Task task, string path, FileEncryption fileEncryption, AssetCreationOptions assetCreationOptions, CancellationToken token)
{
try
{
task.ThrowIfFaulted();
token.ThrowIfCancellationRequested();
FileInfo fileInfo = new FileInfo(path);
//Updating Name based on file name to avoid exceptions trying to download file.Mapping to storage account is through file name
this.Name = fileInfo.Name;
// Set the ContentFileSize base on the local file size
this.ContentFileSize = fileInfo.Length;
// Update the files associated with the asset with the encryption related metadata.
if (assetCreationOptions.HasFlag(AssetCreationOptions.StorageEncrypted))
{
AssetBaseCollection.AddEncryptionMetadataToAssetFile(this, fileEncryption);
}
else if (assetCreationOptions.HasFlag(AssetCreationOptions.CommonEncryptionProtected))
{
AssetBaseCollection.SetAssetFileForCommonEncryption(this);
}
else if (assetCreationOptions.HasFlag(AssetCreationOptions.EnvelopeEncryptionProtected))
{
AssetBaseCollection.SetAssetFileForEnvelopeEncryption(this);
}
this.Update();
}
finally
{
if (fileEncryption != null)
{
fileEncryption.Dispose();
}
}
}
private void Cleanup(BlobTransferClient blobTransfer, FileEncryption fileEncryption, ILocator locator, IAccessPolicy accessPolicy)
{
lock (this._lock)
{
if (blobTransfer != null)
{
try
{
blobTransfer.TransferProgressChanged -= this.OnDownloadBlobTransferProgressChanged;
}
catch
{
}
finally
{
blobTransfer = null;
}
}
if (fileEncryption != null)
{
try
{
fileEncryption.Dispose();
}
catch
{
}
finally
{
fileEncryption = null;
}
}
if (locator != null)
{
try
{
locator.Delete();
}
catch
{
}
finally
{
locator = null;
}
}
if (accessPolicy != null)
{
try
{
accessPolicy.Delete();
}
catch
{
}
finally
{
accessPolicy = null;
}
}
}
}
private void AssetEncryptAction(string outputPath, bool overwriteExistingEncryptedFiles, CancellationToken cancellationToken, ConcurrentDictionary <string, IContentKey> keys, IIngestManifestAsset asset)
{
cancellationToken.ThrowIfCancellationRequested();
List <Task> encryptTasks = new List <Task>();
AssetCreationOptions assetCreationOptions = asset.Asset.Options;
if (assetCreationOptions.HasFlag(AssetCreationOptions.StorageEncrypted))
{
IContentKey contentKeyData = keys[asset.Id];
var fileEncryption = new FileEncryption(contentKeyData.GetClearKeyValue(), EncryptionUtils.GetKeyIdAsGuid(contentKeyData.Id));
foreach (IngestManifestFileData file in asset.IngestManifestFiles)
{
ulong iv = Convert.ToUInt64(file.InitializationVector, CultureInfo.InvariantCulture);
fileEncryption.SetInitializationVectorForFile(file.Name, iv);
FileInfo fileInfo = null;
fileInfo = TrackedFilesPaths.ContainsKey(file.Id) ? new FileInfo(TrackedFilesPaths[file.Id]) : new FileInfo(file.Name);
string destinationPath = Path.Combine(outputPath, fileInfo.Name);
if (File.Exists(destinationPath))
{
if (overwriteExistingEncryptedFiles)
{
File.Delete(destinationPath);
}
else
{
throw new IOException(string.Format(CultureInfo.InvariantCulture, StringTable.BulkIngestFileExists, destinationPath));
}
}
long fileSize = fileInfo.Length;
int maxBlockSize = GetBlockSize(fileSize);
int numThreads = MaxNumberOfEncryptionThreadsForFilePerCore * Environment.ProcessorCount;
ConcurrentQueue <Tuple <int, int> > queue = PrepareUploadQueue(maxBlockSize, fileSize);
if (queue.Count < numThreads)
{
numThreads = queue.Count;
}
File.Create(destinationPath).Dispose();
Action action = GetEncryptionAction(cancellationToken, fileEncryption, file, destinationPath, fileInfo, queue, maxBlockSize);
for (int i = 0; i < numThreads; i++)
{
encryptTasks.Add(Task.Factory.StartNew((action), cancellationToken));
}
}
try
{
Task.WaitAll(encryptTasks.ToArray());
}
finally
{
fileEncryption.Dispose();
}
}
}
private void AssetEncryptAction(string outputPath, bool overwriteExistingEncryptedFiles, CancellationToken cancellationToken, ConcurrentDictionary<string, IContentKey> keys, IIngestManifestAsset asset)
{
cancellationToken.ThrowIfCancellationRequested();
List<Task> encryptTasks = new List<Task>();
AssetCreationOptions assetCreationOptions = asset.Asset.Options;
if (assetCreationOptions.HasFlag(AssetCreationOptions.StorageEncrypted))
{
IContentKey contentKeyData = keys[asset.Id];
var fileEncryption = new FileEncryption(contentKeyData.GetClearKeyValue(), EncryptionUtils.GetKeyIdAsGuid(contentKeyData.Id));
foreach (IngestManifestFileData file in asset.IngestManifestFiles)
{
ulong iv = Convert.ToUInt64(file.InitializationVector, CultureInfo.InvariantCulture);
fileEncryption.SetInitializationVectorForFile(file.Name, iv);
FileInfo fileInfo = null;
fileInfo = TrackedFilesPaths.ContainsKey(file.Id) ? new FileInfo(TrackedFilesPaths[file.Id]) : new FileInfo(file.Name);
string destinationPath = Path.Combine(outputPath, fileInfo.Name);
if (File.Exists(destinationPath))
{
if (overwriteExistingEncryptedFiles)
{
File.Delete(destinationPath);
}
else
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, StringTable.BulkIngestFileExists, destinationPath));
}
}
long fileSize = fileInfo.Length;
int maxBlockSize = GetBlockSize(fileSize);
int numThreads = MaxNumberOfEncryptionThreadsForFilePerCore*Environment.ProcessorCount;
ConcurrentQueue<Tuple<int, int>> queue = PrepareUploadQueue(maxBlockSize, fileSize);
if (queue.Count < numThreads)
{
numThreads = queue.Count;
}
File.Create(destinationPath).Dispose();
Action action = GetEncryptionAction(cancellationToken, fileEncryption, file, destinationPath, fileInfo, queue, maxBlockSize);
for (int i = 0; i < numThreads; i++)
{
encryptTasks.Add(Task.Factory.StartNew((action), cancellationToken));
}
}
try
{
Task.WaitAll(encryptTasks.ToArray());
}
finally
{
fileEncryption.Dispose();
}
}
}
private void PostUploadAction(Task task,string path, FileEncryption fileEncryption, AssetCreationOptions assetCreationOptions, CancellationToken token)
{
try
{
task.ThrowIfFaulted();
token.ThrowIfCancellationRequested();
FileInfo fileInfo = new FileInfo(path);
//Updating Name based on file name to avoid exceptions trying to download file.Mapping to storage account is through file name
this.Name = fileInfo.Name;
// Set the ContentFileSize base on the local file size
this.ContentFileSize = fileInfo.Length;
// Update the files associated with the asset with the encryption related metadata.
if (assetCreationOptions.HasFlag(AssetCreationOptions.StorageEncrypted))
{
AssetBaseCollection.AddEncryptionMetadataToAssetFile(this, fileEncryption);
}
else if (assetCreationOptions.HasFlag(AssetCreationOptions.CommonEncryptionProtected))
{
AssetBaseCollection.SetAssetFileForCommonEncryption(this);
}
else if (assetCreationOptions.HasFlag(AssetCreationOptions.EnvelopeEncryptionProtected))
{
AssetBaseCollection.SetAssetFileForEnvelopeEncryption(this);
}
this.Update();
}
finally
{
if (fileEncryption != null)
{
fileEncryption.Dispose();
}
}
}
private void Cleanup(BlobTransferClient blobTransfer, FileEncryption fileEncryption, ILocator locator, IAccessPolicy accessPolicy)
{
lock (this._lock)
{
if (blobTransfer != null)
{
try
{
blobTransfer.TransferProgressChanged -= this.OnDownloadBlobTransferProgressChanged;
}
catch
{
}
finally
{
blobTransfer = null;
}
}
if (fileEncryption != null)
{
try
{
fileEncryption.Dispose();
}
catch
{
}
finally
{
fileEncryption = null;
}
}
if (locator != null)
{
try
{
locator.Delete();
}
catch
{
}
finally
{
locator = null;
}
}
if (accessPolicy != null)
{
try
{
accessPolicy.Delete();
}
catch
{
}
finally
{
accessPolicy = null;
}
}
}
}