/*
* Copyright 2014-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.services.s3.internal;
import java.net.URI;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.amazonaws.AmazonWebServiceClient;
import com.amazonaws.auth.RegionAwareSigner;
import com.amazonaws.auth.Signer;
import com.amazonaws.handlers.RequestHandler2;
import com.amazonaws.http.ExecutionContext;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.AmazonS3URI;
public class S3ExecutionContext extends ExecutionContext {
private static final Log log = LogFactory.getLog(AmazonS3Client.class);
private Signer signer;
public S3ExecutionContext(List<RequestHandler2> requestHandler2s,
boolean isMetricEnabled, AmazonWebServiceClient awsClient) {
super(requestHandler2s, isMetricEnabled, awsClient);
}
@Override
public void setSigner(Signer signer) {
this.signer = signer;
}
@Override
public Signer getSignerByURI(URI uri) {
// Don't modify the signer region, if the client is configured with region override
AmazonWebServiceClient awsClient = getAwsClient();
if (awsClient != null &&
awsClient.getSignerRegionOverride() != null) {
return signer;
}
// Otherwise, re-adjust the signer region in order to
// account for endpoint change after a 307 redirect
try {
if (signer instanceof RegionAwareSigner) {
((RegionAwareSigner) signer).setRegionName(
new AmazonS3URI(uri).getRegion());
}
} catch (RuntimeException e) {
log.warn("Failed to parse the endpoint " + uri +
", and skip re-signing the signer region", e);
}
return signer;
}
}