Add constructor with s3Client factory to s3-encryption

src/aws-cpp-sdk-s3-encryption/include/aws/s3-encryption/S3EncryptionClient.h

@@ -66,6 +66,14 @@ namespace Aws
             S3EncryptionClientBase(const std::shared_ptr<Aws::Utils::Crypto::EncryptionMaterials>& encryptionMaterials, const Aws::S3Encryption::CryptoConfiguration& cryptoConfig,
                 const std::shared_ptr<Aws::Auth::AWSCredentialsProvider>& credentialsProvider, const Aws::Client::ClientConfiguration& clientConfiguration = Aws::Client::ClientConfiguration());
 
+            /*
+             * Initialize the S3EncryptionClientBase with encryption materials, crypto configuration, and a s3 client factory.
+             * The factory will be used to create the underlying S3 Client.
+             */
+            S3EncryptionClientBase(const std::shared_ptr<Aws::Utils::Crypto::EncryptionMaterials>& encryptionMaterials,
+              const Aws::S3Encryption::CryptoConfiguration& cryptoConfig,
+              const std::function<Aws::UniquePtr<Aws::S3::S3Client> ()>& s3ClientFactory);
+
             S3EncryptionClientBase(const S3EncryptionClientBase&) = delete;
             S3EncryptionClientBase& operator=(const S3EncryptionClientBase&) = delete;
 
@@ -180,6 +188,17 @@ namespace Aws
                 Init(cryptoConfig);
             }
 
+            /*
+             * Initialize the S3 Encryption Client V2 with crypto configuration v2, and a s3 client factory.
+             * The factory will be used to create the underlying S3 Client.
+             */
+            S3EncryptionClientV2(const Aws::S3Encryption::CryptoConfigurationV2& cryptoConfig,
+                const std::function<Aws::UniquePtr<Aws::S3::S3Client> ()>& s3ClientFactory)
+                : S3EncryptionClientBase(cryptoConfig.GetEncryptionMaterials(), CryptoConfiguration(), s3ClientFactory)
+            {
+                Init(cryptoConfig);
+            }
+
             S3EncryptionClientV2(const S3EncryptionClientV2&) = delete;
             S3EncryptionClientV2& operator=(const S3EncryptionClientV2&) = delete;
 

src/aws-cpp-sdk-s3-encryption/source/s3-encryption/S3EncryptionClient.cpp

@@ -48,6 +48,14 @@ namespace Aws
             m_s3Client->AppendToUserAgent("ft/S3CryptoV1n");
         }
 
+        S3EncryptionClientBase::S3EncryptionClientBase(const std::shared_ptr<EncryptionMaterials>& encryptionMaterials,
+            const Aws::S3Encryption::CryptoConfiguration& cryptoConfig,
+            const std::function<Aws::UniquePtr<S3::S3Client> ()>& s3ClientFactory) :
+            m_s3Client(s3ClientFactory()), m_cryptoModuleFactory(), m_encryptionMaterials(encryptionMaterials), m_cryptoConfig(cryptoConfig)
+        {
+            m_s3Client->AppendToUserAgent("ft/S3CryptoV1n");
+        }
+
         S3EncryptionPutObjectOutcome S3EncryptionClientBase::PutObject(const Aws::S3::Model::PutObjectRequest& request, const Aws::Map<Aws::String, Aws::String>& contextMap) const
         {
             auto module = m_cryptoModuleFactory.FetchCryptoModule(m_encryptionMaterials, m_cryptoConfig);