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. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
