com.netflix.spinnaker.clouddriver.artifacts.s3.S3ArtifactCredentials.java Source code

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Here is the source code for com.netflix.spinnaker.clouddriver.artifacts.s3.S3ArtifactCredentials.java

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/*
 * Copyright 2018 Datadog, Inc.
 *
 * Licensed 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 com.netflix.spinnaker.clouddriver.artifacts.s3;

import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.S3Object;
import com.netflix.spinnaker.clouddriver.artifacts.config.ArtifactCredentials;
import com.netflix.spinnaker.kork.artifacts.model.Artifact;
import groovy.util.logging.Slf4j;
import lombok.Getter;
import org.apache.commons.lang3.StringUtils;

import java.io.InputStream;
import java.util.Collections;
import java.util.List;

@Slf4j
public class S3ArtifactCredentials implements ArtifactCredentials {
    @Getter
    private final String name;
    @Getter
    private final List<String> types = Collections.singletonList("s3/object");

    private final String apiEndpoint;
    private final String apiRegion;
    private final String region;
    private final String awsAccessKeyId;
    private final String awsSecretAccessKey;

    S3ArtifactCredentials(S3ArtifactAccount account) throws IllegalArgumentException {
        name = account.getName();
        apiEndpoint = account.getApiEndpoint();
        apiRegion = account.getApiRegion();
        region = account.getRegion();
        awsAccessKeyId = account.getAwsAccessKeyId();
        awsSecretAccessKey = account.getAwsSecretAccessKey();
    }

    private AmazonS3 getS3Client() {
        AmazonS3ClientBuilder builder = AmazonS3ClientBuilder.standard();

        if (!StringUtils.isEmpty(apiEndpoint)) {
            AwsClientBuilder.EndpointConfiguration endpoint = new AwsClientBuilder.EndpointConfiguration(
                    apiEndpoint, apiRegion);
            builder.setEndpointConfiguration(endpoint);
            builder.setPathStyleAccessEnabled(true);
        } else if (!StringUtils.isEmpty(region)) {
            builder.setRegion(region);
        }

        if (!StringUtils.isEmpty(awsAccessKeyId) && !StringUtils.isEmpty(awsSecretAccessKey)) {
            BasicAWSCredentials awsStaticCreds = new BasicAWSCredentials(awsAccessKeyId, awsSecretAccessKey);
            builder.withCredentials(new AWSStaticCredentialsProvider(awsStaticCreds));
        }

        return builder.build();
    }

    @Override
    public InputStream download(Artifact artifact) throws IllegalArgumentException {
        String reference = artifact.getReference();
        if (reference.startsWith("s3://")) {
            reference = reference.substring("s3://".length());
        }

        int slash = reference.indexOf("/");
        if (slash <= 0) {
            throw new IllegalArgumentException(
                    "S3 references must be of the format s3://<bucket>/<file-path>, got: " + artifact);
        }
        String bucketName = reference.substring(0, slash);
        String path = reference.substring(slash + 1);
        S3Object s3obj = getS3Client().getObject(bucketName, path);
        return s3obj.getObjectContent();
    }
}