| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.spi.discovery.tcp.ipfinder.s3.encrypt; |
| |
| import java.util.List; |
| import com.amazonaws.ClientConfiguration; |
| import com.amazonaws.auth.AWSCredentials; |
| import com.amazonaws.auth.AWSStaticCredentialsProvider; |
| import com.amazonaws.encryptionsdk.AwsCrypto; |
| import com.amazonaws.encryptionsdk.CryptoResult; |
| import com.amazonaws.encryptionsdk.kms.KmsMasterKey; |
| import com.amazonaws.encryptionsdk.kms.KmsMasterKeyProvider; |
| import com.amazonaws.regions.Region; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| |
| /** |
| * Provides an implementation of AWS KMS to encrypt/decrypt the data. |
| */ |
| public class AwsKmsEncryptionService implements EncryptionService { |
| /** KMS Key id. */ |
| private String keyId; |
| |
| /** AWS Region. */ |
| private Region region; |
| |
| /** AWS Credentials to access the key. */ |
| private AWSCredentials creds; |
| |
| /** AWS Client conf. */ |
| private ClientConfiguration clientConf = new ClientConfiguration(); |
| |
| /** Kms master key provider. */ |
| private KmsMasterKeyProvider prov; |
| |
| /** Aws crypto. */ |
| private AwsCrypto crypto; |
| |
| /** |
| * Set the KMS key id used to encrypt/decrypt the data. |
| * |
| * @param keyId Key id. |
| * @return {@code this} for chaining. |
| */ |
| public AwsKmsEncryptionService setKeyId(String keyId) { |
| this.keyId = keyId; |
| |
| return this; |
| } |
| |
| /** |
| * AWS region. |
| * |
| * @param region Region. |
| * @return {@code this} for chaining. |
| */ |
| public AwsKmsEncryptionService setRegion(Region region) { |
| this.region = region; |
| |
| return this; |
| } |
| |
| /** |
| * AWS credentials. |
| * |
| * @param creds Aws Credentials. |
| * @return {@code this} for chaining. |
| */ |
| public AwsKmsEncryptionService setCredentials(AWSCredentials creds) { |
| this.creds = creds; |
| |
| return this; |
| } |
| |
| /** |
| * AWS client configuration. |
| * |
| * @param clientConf Client conf. |
| * @return {@code this} for chaining. |
| */ |
| public AwsKmsEncryptionService setClientConf(ClientConfiguration clientConf) { |
| this.clientConf = clientConf; |
| |
| return this; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void init() { |
| if (creds == null || region == null || keyId == null || keyId.trim().isEmpty()) |
| throw new IgniteException(String.format("At-least one of the required parameters " + |
| "[creds = %s, region = %s, keyId = %s] is invalid.", creds, region, keyId)); |
| |
| crypto = createClient(); |
| |
| prov = createKmsMasterKeyProvider(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte[] encrypt(byte[] data) { |
| if (crypto == null || prov == null) |
| throw new IgniteException("The init() method was not called."); |
| |
| return crypto.encryptData(prov, data).getResult(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public byte[] decrypt(byte[] data) { |
| if (crypto == null || prov == null) |
| throw new IgniteException("The init() method was not called."); |
| |
| CryptoResult<byte[], KmsMasterKey> decryptRes = crypto.decryptData(prov, data); |
| |
| List<String> keyIds = decryptRes.getMasterKeyIds(); |
| |
| if (keyIds != null && !keyIds.contains(keyId)) |
| throw new IgniteException("Wrong KMS key ID!"); |
| |
| return decryptRes.getResult(); |
| } |
| |
| /** |
| * @return An instance of {@link AwsCrypto}. |
| */ |
| AwsCrypto createClient() { |
| return crypto = new AwsCrypto(); |
| } |
| |
| /** |
| * @return An instance of {@link KmsMasterKeyProvider}. |
| */ |
| KmsMasterKeyProvider createKmsMasterKeyProvider() { |
| return new KmsMasterKeyProvider(new AWSStaticCredentialsProvider(creds), region, clientConf, keyId); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(AwsKmsEncryptionService.class, this, "super", super.toString()); |
| } |
| } |