public EncryptionCosmosClient(
CosmosClient cosmosClient,
IKeyEncryptionKeyResolver keyEncryptionKeyResolver,
string keyEncryptionKeyResolverName,
TimeSpan?keyCacheTimeToLive)
{
this.cosmosClient = cosmosClient ?? throw new ArgumentNullException(nameof(cosmosClient));
this.KeyEncryptionKeyResolver = keyEncryptionKeyResolver ?? throw new ArgumentNullException(nameof(keyEncryptionKeyResolver));
this.KeyEncryptionKeyResolverName = keyEncryptionKeyResolverName ?? throw new ArgumentNullException(nameof(keyEncryptionKeyResolverName));
this.clientEncryptionKeyPropertiesCacheByKeyId = new AsyncCache <string, ClientEncryptionKeyProperties>();
this.EncryptionKeyStoreProviderImpl = new EncryptionKeyStoreProviderImpl(keyEncryptionKeyResolver, keyEncryptionKeyResolverName);
keyCacheTimeToLive ??= TimeSpan.FromHours(1);
if (EncryptionCosmosClient.EncryptionKeyCacheSemaphore.Wait(-1))
{
try
{
// We pick the minimum between the existing and passed in value given this is a static cache.
// This also means that the maximum cache duration is the originally initialized value for ProtectedDataEncryptionKey.TimeToLive which is 2 hours.
if (keyCacheTimeToLive < ProtectedDataEncryptionKey.TimeToLive)
{
ProtectedDataEncryptionKey.TimeToLive = keyCacheTimeToLive.Value;
}
}
finally
{
EncryptionCosmosClient.EncryptionKeyCacheSemaphore.Release(1);
}
}
}
public EncryptionCosmosClient(CosmosClient cosmosClient, EncryptionKeyStoreProvider encryptionKeyStoreProvider)
{
this.cosmosClient = cosmosClient ?? throw new ArgumentNullException(nameof(cosmosClient));
this.EncryptionKeyStoreProvider = encryptionKeyStoreProvider ?? throw new ArgumentNullException(nameof(encryptionKeyStoreProvider));
this.clientEncryptionPolicyCacheByContainerId = new AsyncCache <string, ClientEncryptionPolicy>();
this.clientEncryptionKeyPropertiesCacheByKeyId = new AsyncCache <string, ClientEncryptionKeyProperties>();
}
/// <summary>
/// Initializes a new instance of the <see cref="KeyVaultAccessClient"/> class.
/// Invokes internal Facotory Methods.
/// </summary>
/// <param name="keyVaultTokenCredentialFactory"> TokenCredential </param>
/// <param name="keyClientFactory"> KeyClient Factory </param>
/// <param name="cryptographyClientFactory"> CryptoClient Factory </param>
internal KeyVaultAccessClient(KeyVaultTokenCredentialFactory keyVaultTokenCredentialFactory, KeyClientFactory keyClientFactory, CryptographyClientFactory cryptographyClientFactory)
{
this.keyVaultTokenCredentialFactory = keyVaultTokenCredentialFactory;
this.akvClientCache = new AsyncCache <Uri, KeyClient>();
this.akvCryptoClientCache = new AsyncCache <Uri, CryptographyClient>();
this.keyClientFactory = keyClientFactory;
this.cryptographyClientFactory = cryptographyClientFactory;
}
/// <summary>
/// Initializes a new instance of the <see cref="KeyVaultAccessClient"/> class.
/// </summary>
/// <param name="keyVaultTokenCredentialFactory"> TokenCredentials </param>
public KeyVaultAccessClient(KeyVaultTokenCredentialFactory keyVaultTokenCredentialFactory)
{
this.keyVaultTokenCredentialFactory = keyVaultTokenCredentialFactory;
this.akvClientCache = new AsyncCache <Uri, KeyClient>();
this.akvCryptoClientCache = new AsyncCache <Uri, CryptographyClient>();
this.keyClientFactory = new KeyClientFactory();
this.cryptographyClientFactory = new CryptographyClientFactory();
}
/// <summary>
/// All the operations / requests for exercising client-side encryption functionality need to be made using this EncryptionContainer instance.
/// </summary>
/// <param name="container">Regular cosmos container.</param>
/// <param name="encryptionCosmosClient"> Cosmos Client configured with Encryption.</param>
public EncryptionContainer(
Container container,
EncryptionCosmosClient encryptionCosmosClient)
{
this.container = container ?? throw new ArgumentNullException(nameof(container));
this.EncryptionCosmosClient = encryptionCosmosClient ?? throw new ArgumentNullException(nameof(container));
this.ResponseFactory = this.Database.Client.ResponseFactory;
this.CosmosSerializer = this.Database.Client.ClientOptions.Serializer;
this.encryptionSettingsByContainerName = new AsyncCache <string, EncryptionSettings>();
}
