shangxinli commented on a change in pull request #928: URL: https://github.com/apache/parquet-mr/pull/928#discussion_r710672024
########## File path: parquet-hadoop/src/main/java/org/apache/parquet/hadoop/util/ColumnEncryptor.java ########## @@ -0,0 +1,351 @@ +/* + * 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.parquet.hadoop.util; + +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.fs.Path; +import org.apache.parquet.HadoopReadOptions; +import org.apache.parquet.bytes.BytesInput; +import org.apache.parquet.column.ColumnDescriptor; +import org.apache.parquet.column.ParquetProperties; +import org.apache.parquet.column.page.DictionaryPage; +import org.apache.parquet.column.page.PageReadStore; +import org.apache.parquet.column.values.bloomfilter.BloomFilter; +import org.apache.parquet.crypto.AesCipher; +import org.apache.parquet.crypto.FileEncryptionProperties; +import org.apache.parquet.crypto.InternalColumnEncryptionSetup; +import org.apache.parquet.crypto.InternalFileEncryptor; +import org.apache.parquet.format.BlockCipher; +import org.apache.parquet.format.DataPageHeader; +import org.apache.parquet.format.DataPageHeaderV2; +import org.apache.parquet.format.DictionaryPageHeader; +import org.apache.parquet.format.PageHeader; +import org.apache.parquet.format.converter.ParquetMetadataConverter; +import org.apache.parquet.hadoop.ParquetFileReader; +import org.apache.parquet.hadoop.ParquetFileWriter; +import org.apache.parquet.hadoop.metadata.ColumnChunkMetaData; +import org.apache.parquet.hadoop.metadata.ColumnPath; +import org.apache.parquet.hadoop.metadata.ParquetMetadata; +import org.apache.parquet.internal.column.columnindex.ColumnIndex; +import org.apache.parquet.internal.column.columnindex.OffsetIndex; +import org.apache.parquet.io.ParquetEncodingException; +import org.apache.parquet.schema.MessageType; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; + +import static org.apache.parquet.column.ParquetProperties.DEFAULT_COLUMN_INDEX_TRUNCATE_LENGTH; +import static org.apache.parquet.column.ParquetProperties.DEFAULT_STATISTICS_TRUNCATE_LENGTH; +import static org.apache.parquet.crypto.ModuleCipherFactory.ModuleType; +import static org.apache.parquet.format.converter.ParquetMetadataConverter.NO_FILTER; +import static org.apache.parquet.hadoop.ParquetWriter.DEFAULT_BLOCK_SIZE; +import static org.apache.parquet.hadoop.ParquetWriter.MAX_PADDING_SIZE_DEFAULT; + +public class ColumnEncryptor { + private static final Logger LOG = LoggerFactory.getLogger(ColumnEncryptor.class); + + private static class EncryptorRunTime { + private final InternalColumnEncryptionSetup colEncrSetup; + private final BlockCipher.Encryptor dataEncryptor; + private final BlockCipher.Encryptor metaDataEncryptor; + private final byte[] fileAAD ; + + private byte[] dataPageHeaderAAD; + private byte[] dataPageAAD; + private byte[] dictPageHeaderAAD; + private byte[] dictPageAAD; + + public EncryptorRunTime(InternalFileEncryptor fileEncryptor, ColumnChunkMetaData chunk, + int blockId, int columnId) throws IOException { + this.colEncrSetup = fileEncryptor.getColumnSetup(chunk.getPath(), true, toShortWithCheck(columnId)); + this.dataEncryptor = colEncrSetup.getDataEncryptor(); + this.metaDataEncryptor = colEncrSetup.getMetaDataEncryptor(); + + this.fileAAD = fileEncryptor.getFileAAD(); + this.dataPageHeaderAAD = AesCipher.createModuleAAD(fileAAD, ModuleType.DataPageHeader, + toShortWithCheck(blockId), toShortWithCheck(columnId), (short) 0); + this.dataPageAAD = AesCipher.createModuleAAD(fileAAD, ModuleType.DataPage, + toShortWithCheck(blockId), toShortWithCheck(columnId), (short) 0); + this.dictPageHeaderAAD = AesCipher.createModuleAAD(fileAAD, ModuleType.DictionaryPageHeader, + toShortWithCheck(blockId), toShortWithCheck(columnId), (short) 0); + this.dictPageAAD = AesCipher.createModuleAAD(fileAAD, ModuleType.DictionaryPage, + toShortWithCheck(blockId), toShortWithCheck(columnId), (short) 0); + } + + public InternalColumnEncryptionSetup getColEncrSetup() { + return this.colEncrSetup; + } + + public BlockCipher.Encryptor getDataEncryptor() { + return this.dataEncryptor; + } + + public BlockCipher.Encryptor getMetaDataEncryptor() { + return this.metaDataEncryptor; + } + + public byte[] getFileAAD() { + return this.fileAAD; + } + + public byte[] getDataPageHeaderAAD() { + return this.dataPageHeaderAAD; + } + + public byte[] getDataPageAAD() { + return this.dataPageAAD; + } + + public byte[] getDictPageHeaderAAD() { + return this.dictPageHeaderAAD; + } + + public byte[] getDictPageAAD() { + return this.dictPageAAD; + } + } + + private final int pageBufferSize = ParquetProperties.DEFAULT_PAGE_SIZE * 2; + private byte[] pageBuffer; + private Configuration conf; + + public ColumnEncryptor(Configuration conf) { + this.pageBuffer = new byte[pageBufferSize]; + this.conf = conf; + } + + /** + * + * @param inputFile Input file + * @param outputFile Output file + * @throws IOException + */ Review comment: fixed -- This is an automated message from the Apache Git Service. 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