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https://issues.apache.org/jira/browse/HADOOP-18708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17894201#comment-17894201
]
ASF GitHub Bot commented on HADOOP-18708:
-----------------------------------------
shameersss1 commented on code in PR #6884:
URL: https://github.com/apache/hadoop/pull/6884#discussion_r1822593456
##########
hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/CSEV1CompatibleS3AFileSystemHandler.java:
##########
@@ -0,0 +1,132 @@
+/*
+ * 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.hadoop.fs.s3a.impl;
+
+import java.io.IOException;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.s3a.Listing;
+import org.apache.hadoop.fs.s3a.S3AStore;
+import org.apache.hadoop.fs.s3a.S3ClientFactory;
+import org.apache.hadoop.fs.s3a.api.RequestFactory;
+import org.apache.hadoop.util.ReflectionUtils;
+
+import software.amazon.awssdk.core.ResponseInputStream;
+import software.amazon.awssdk.services.s3.model.GetObjectRequest;
+import software.amazon.awssdk.services.s3.model.GetObjectResponse;
+import software.amazon.awssdk.services.s3.model.HeadObjectResponse;
+
+import static
org.apache.hadoop.fs.s3a.Constants.DEFAULT_S3_CLIENT_FACTORY_IMPL;
+import static org.apache.hadoop.fs.s3a.Constants.S3_CLIENT_FACTORY_IMPL;
+import static org.apache.hadoop.fs.s3a.impl.CSEUtils.isObjectEncrypted;
+
+/**
+ * An extension of the {@link CSES3AFileSystemHandler} class.
+ * This handles certain file system operations when client-side encryption is
enabled with v1 client
+ * compatibility.
+ * {@link
org.apache.hadoop.fs.s3a.Constants#S3_ENCRYPTION_CSE_V1_COMPATIBILITY_ENABLED}.
+ */
+public class CSEV1CompatibleS3AFileSystemHandler extends
CSES3AFileSystemHandler {
+
+ /**
+ * Constructs a new instance of {@code CSEV1CompatibleS3AFileSystemHandler}.
+ */
+ public CSEV1CompatibleS3AFileSystemHandler() {
+ }
+
+ /**
+ * {@inheritDoc}
+ *
+ * <p>This implementation returns a {@link
Listing.AcceptAllButS3nDirsAndCSEInstructionFile}
+ * or {@link Listing.AcceptAllButSelfAndS3nDirsAndCSEInstructionFile} object
+ * based on the value of the {@code includeSelf} parameter.
+ */
+ @Override
+ public Listing.FileStatusAcceptor getFileStatusAcceptor(Path path, boolean
includeSelf) {
+ return includeSelf
+ ? new Listing.AcceptAllButS3nDirsAndCSEInstructionFile()
+ : new Listing.AcceptAllButSelfAndS3nDirsAndCSEInstructionFile(path);
+ }
+
+ /**
+ * Returns a {@link Listing.FileStatusAcceptor} object.
+ * That determines which files and directories should be included in a
listing operation.
+ *
+ * @param path the path for which the listing is being performed
+ * @return a {@link Listing.FileStatusAcceptor} object
+ */
+ @Override
+ public Listing.FileStatusAcceptor getFileStatusAcceptor(Path path) {
+ return new Listing.AcceptFilesOnlyExceptCSEInstructionFile(path);
+ }
+
+ /**
+ * Retrieves an object from the S3.
+ * If the S3 object is encrypted, it uses the encrypted S3 client to
retrieve the object else
+ * it uses the unencrypted S3 client.
+ *
+ * @param store The S3AStore object representing the S3 bucket.
+ * @param request The GetObjectRequest containing the details of the object
to retrieve.
+ * @param factory The RequestFactory used to create the GetObjectRequest.
+ * @return A ResponseInputStream containing the GetObjectResponse.
+ * @throws IOException If an error occurs while retrieving the object.
+ */
+ @Override
+ public ResponseInputStream<GetObjectResponse> getObject(S3AStore store,
GetObjectRequest request,
+ RequestFactory factory) throws IOException {
+ boolean isEncrypted = isObjectEncrypted(store.getOrCreateS3Client(),
factory, request.key());
Review Comment:
This is the only HEAD object call here.
> AWS SDK V2 - Implement CSE
> --------------------------
>
> Key: HADOOP-18708
> URL: https://issues.apache.org/jira/browse/HADOOP-18708
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.4.0
> Reporter: Ahmar Suhail
> Assignee: Syed Shameerur Rahman
> Priority: Major
> Labels: pull-request-available
>
> S3 Encryption client for SDK V2 is now available, so add client side
> encryption back in.
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