/// <summary>
/// Deletes this instance.
/// </summary>
/// <returns>A function delegate.</returns>
public Task DeleteAsync()
{
ContentKeyBaseCollection.VerifyContentKey(this);
DataServiceContext dataContext = this._cloudMediaContext.DataContextFactory.CreateDataServiceContext();
dataContext.AttachTo(ContentKeyCollection.ContentKeySet, this);
dataContext.DeleteObject(this);
return(dataContext.SaveChangesAsync(this));
}
/// <summary>
/// Deletes this instance.
/// </summary>
/// <returns>A function delegate.</returns>
public Task DeleteAsync()
{
ContentKeyBaseCollection.VerifyContentKey(this);
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(ContentKeyBaseCollection.ContentKeySet, this);
dataContext.DeleteObject(this);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(this)));
}
/// <summary>
/// Create a notification endpoint object in asynchronous mode.
/// </summary>
/// <param name="name">Name of notification endpoint</param>
/// <param name="endPointType">Notification endpoint type</param>
/// <param name="endPointAddress">Notification endpoint address</param>
/// <param name="credential"></param>
/// <returns>Task of creating notification endpoint.</returns>
public Task <INotificationEndPoint> CreateAsync(string name, NotificationEndPointType endPointType,
string endPointAddress, byte[] credential)
{
if (credential == null || credential.Length == 0)
{
throw new ArgumentNullException("credential");
}
if (endPointType != NotificationEndPointType.WebHook)
{
throw new NotSupportedException(string.Format(CultureInfo.InvariantCulture, StringTable.SupportWebHookWithCredentialOnly, "endPointType"));
}
IMediaDataServiceContext dataContext =
this.MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
string protectionKeyId = ContentKeyBaseCollection.GetProtectionKeyIdForContentKey(MediaContext,
ContentKeyType.ConfigurationEncryption);
X509Certificate2 certToUse = ContentKeyBaseCollection.GetCertificateForProtectionKeyId(MediaContext, protectionKeyId);
byte[] encryptedContentKey = EncryptionUtils.EncryptSymmetricKeyData(certToUse, credential);
NotificationEndPoint notificationEndPoint = new NotificationEndPoint
{
Name = name,
EndPointType = (int)endPointType,
EndPointAddress = endPointAddress,
CredentialType = (int)NotificationEndPointCredentialType.SigningKey,
EncryptedEndPointCredential = Convert.ToBase64String(encryptedContentKey),
ProtectionKeyType = (int)ProtectionKeyType.X509CertificateThumbprint,
ProtectionKeyId = protectionKeyId
};
notificationEndPoint.SetMediaContext(MediaContext);
dataContext.AddObject(NotificationEndPoints, notificationEndPoint);
MediaRetryPolicy retryPolicy =
this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(
() => dataContext.SaveChangesAsync(notificationEndPoint))
.ContinueWith <INotificationEndPoint>(
t =>
{
t.ThrowIfFaulted();
return (NotificationEndPoint)t.Result.AsyncState;
},
TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Asynchronously creates a content key with the specifies key identifier and value.
/// </summary>
/// <param name="keyId">The key identifier.</param>
/// <param name="contentKey">The value of the content key.</param>
/// <param name="name">A friendly name for the content key.</param>
/// <param name="contentKeyType">Type of content key to create.</param>
/// <returns>
/// A function delegate that returns the future result to be available through the Task<IContentKey>.
/// </returns>
public override Task <IContentKey> CreateAsync(Guid keyId, byte[] contentKey, string name, ContentKeyType contentKeyType)
{
if ((contentKeyType != ContentKeyType.CommonEncryption) && (contentKeyType != ContentKeyType.EnvelopeEncryption))
{
throw new ArgumentException(StringTable.ErrorUnsupportedContentKeyType, "contentKey");
}
if (keyId == Guid.Empty)
{
throw new ArgumentException(StringTable.ErrorCreateKey_EmptyGuidNotAllowed, "keyId");
}
if (contentKey == null)
{
throw new ArgumentNullException("contentKey");
}
if (contentKey.Length != EncryptionUtils.KeySizeInBytesForAes128)
{
throw new ArgumentException(StringTable.ErrorCommonEncryptionKeySize, "contentKey");
}
IMediaDataServiceContext dataContext = this.MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
X509Certificate2 certToUse = ContentKeyBaseCollection.GetCertificateToEncryptContentKey(MediaContext, ContentKeyType.CommonEncryption);
ContentKeyData contentKeyData = null;
if (contentKeyType == ContentKeyType.CommonEncryption)
{
contentKeyData = InitializeCommonContentKey(keyId, contentKey, name, certToUse);
}
else if (contentKeyType == ContentKeyType.EnvelopeEncryption)
{
contentKeyData = InitializeEnvelopeContentKey(keyId, contentKey, name, certToUse);
}
dataContext.AddObject(ContentKeySet, contentKeyData);
MediaRetryPolicy retryPolicy = this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(contentKeyData))
.ContinueWith <IContentKey>(
t =>
{
t.ThrowIfFaulted();
return (ContentKeyData)t.Result.AsyncState;
},
TaskContinuationOptions.ExecuteSynchronously));
}
private static ContentKeyData CreateStorageContentKey(AssetData tempAsset, NullableFileEncryption fileEncryption, DataServiceContext dataContext)
{
// Create the content key.
fileEncryption.Init();
// Encrypt it for delivery to Nimbus.
X509Certificate2 certToUse = ContentKeyCollection.GetCertificateToEncryptContentKey(dataContext, ContentKeyType.StorageEncryption);
ContentKeyData contentKeyData = ContentKeyBaseCollection.CreateStorageContentKey(fileEncryption.FileEncryption, certToUse);
dataContext.AddObject(ContentKeyCollection.ContentKeySet, contentKeyData);
dataContext.SaveChanges();
// Associate it with the asset.
((IAsset)tempAsset).ContentKeys.Add(contentKeyData);
return(contentKeyData);
}
private ContentKeyData CreateStorageContentKey(AssetData tempAsset, NullableFileEncryption fileEncryption, IMediaDataServiceContext dataContext)
{
// Create the content key.
fileEncryption.Init();
// Encrypt it for delivery to Nimbus.
X509Certificate2 certToUse = ContentKeyCollection.GetCertificateToEncryptContentKey(MediaContext, ContentKeyType.StorageEncryption);
ContentKeyData contentKeyData = ContentKeyBaseCollection.InitializeStorageContentKey(fileEncryption.FileEncryption, certToUse);
dataContext.AddObject(ContentKeyBaseCollection.ContentKeySet, contentKeyData);
MediaRetryPolicy retryPolicy = this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
retryPolicy.ExecuteAction <IMediaDataServiceResponse>(() => dataContext.SaveChanges());
// Associate it with the asset.
((IAsset)tempAsset).ContentKeys.Add(contentKeyData);
return(contentKeyData);
}
private void ProtectTaskConfiguration(TaskTemplateData taskTemplate, ref X509Certificate2 certToUse, IMediaDataServiceContext dataContext)
{
using (ConfigurationEncryption configEncryption = new ConfigurationEncryption())
{
// Update the task template with the required data.
taskTemplate.Configuration = configEncryption.Encrypt(taskTemplate.Configuration);
taskTemplate.EncryptionKeyId = configEncryption.GetKeyIdentifierAsString();
taskTemplate.EncryptionScheme = ConfigurationEncryption.SchemeName;
taskTemplate.EncryptionVersion = ConfigurationEncryption.SchemeVersion;
taskTemplate.InitializationVector = configEncryption.GetInitializationVectorAsString();
if (certToUse == null)
{
// Get the certificate to use to encrypt the configuration encryption key.
certToUse = ContentKeyBaseCollection.GetCertificateToEncryptContentKey(GetMediaContext(), ContentKeyType.ConfigurationEncryption);
}
// Create a content key object to hold the encryption key.
ContentKeyData contentKeyData = ContentKeyBaseCollection.InitializeConfigurationContentKey(configEncryption, certToUse);
dataContext.AddObject(ContentKeyBaseCollection.ContentKeySet, contentKeyData);
}
}
/// <summary>
/// Asynchronously creates a content key with the specifies key identifier and value.
/// </summary>
/// <param name="keyId">The key identifier.</param>
/// <param name="contentKey">The value of the content key.</param>
/// <param name="name">A friendly name for the content key.</param>
/// <returns>
/// A function delegate that returns the future result to be available through the Task<IContentKey>.
/// </returns>
public override Task <IContentKey> CreateAsync(Guid keyId, byte[] contentKey, string name)
{
if (keyId == Guid.Empty)
{
throw new ArgumentException(StringTable.ErrorCreateKey_EmptyGuidNotAllowed, "keyId");
}
if (contentKey == null)
{
throw new ArgumentNullException("contentKey");
}
if (contentKey.Length != EncryptionUtils.KeySizeInBytesForAes128)
{
throw new ArgumentException(StringTable.ErrorCommonEncryptionKeySize, "contentKey");
}
DataServiceContext dataContext = this._cloudMediaContext.DataContextFactory.CreateDataServiceContext();
X509Certificate2 certToUse = ContentKeyBaseCollection.GetCertificateToEncryptContentKey(dataContext, ContentKeyType.CommonEncryption);
ContentKeyData contentKeyData = CreateCommonContentKey(keyId, contentKey, name, certToUse);
contentKeyData.InitCloudMediaContext(this._cloudMediaContext);
dataContext.AddObject(ContentKeySet, contentKeyData);
return(dataContext
.SaveChangesAsync(contentKeyData)
.ContinueWith <IContentKey>(
t =>
{
t.ThrowIfFaulted();
return (ContentKeyData)t.AsyncState;
},
TaskContinuationOptions.ExecuteSynchronously));
}
