io.druid.storage.s3.CustomServerSideEncryption.java Source code

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Here is the source code for io.druid.storage.s3.CustomServerSideEncryption.java

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/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets 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 io.druid.storage.s3;

import com.amazonaws.services.s3.model.CopyObjectRequest;
import com.amazonaws.services.s3.model.GetObjectMetadataRequest;
import com.amazonaws.services.s3.model.GetObjectRequest;
import com.amazonaws.services.s3.model.PutObjectRequest;
import com.amazonaws.services.s3.model.SSECustomerKey;
import com.fasterxml.jackson.annotation.JacksonInject;
import com.fasterxml.jackson.annotation.JsonCreator;

class CustomServerSideEncryption implements ServerSideEncryption {
    private final SSECustomerKey key;

    @JsonCreator
    CustomServerSideEncryption(@JacksonInject S3SSECustomConfig config) {
        this.key = new SSECustomerKey(config.getBase64EncodedKey());
    }

    @Override
    public PutObjectRequest decorate(PutObjectRequest request) {
        return request.withSSECustomerKey(key);
    }

    @Override
    public GetObjectRequest decorate(GetObjectRequest request) {
        return request.withSSECustomerKey(key);
    }

    @Override
    public GetObjectMetadataRequest decorate(GetObjectMetadataRequest request) {
        return request.withSSECustomerKey(key);
    }

    @Override
    public CopyObjectRequest decorate(CopyObjectRequest request) {
        // Note: users might want to use a different key when they copy existing objects. This might additionally need to
        // manage key history or support updating keys at run time, either of which requires a huge refactoring. We simply
        // don't support changing keys for now.
        return request.withSourceSSECustomerKey(key).withDestinationSSECustomerKey(key);
    }
}