[
https://issues.apache.org/jira/browse/PARQUET-2081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17416698#comment-17416698
]
ASF GitHub Bot commented on PARQUET-2081:
-----------------------------------------
shangxinli commented on a change in pull request #928:
URL: https://github.com/apache/parquet-mr/pull/928#discussion_r711066419
##########
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
+ */
+ public void encryptColumns(String inputFile, String outputFile, List<String>
paths, FileEncryptionProperties fileEncryptionProperties) throws IOException {
+ Path inPath = new Path(inputFile);
+ Path outPath = new Path(outputFile);
+
+ ParquetMetadata metaData = ParquetFileReader.readFooter(conf, inPath,
NO_FILTER);
+ MessageType schema = metaData.getFileMetaData().getSchema();
+
+ ParquetFileWriter writer = new
ParquetFileWriter(HadoopOutputFile.fromPath(outPath, conf), schema,
ParquetFileWriter.Mode.OVERWRITE,
+ DEFAULT_BLOCK_SIZE, MAX_PADDING_SIZE_DEFAULT,
DEFAULT_COLUMN_INDEX_TRUNCATE_LENGTH, DEFAULT_STATISTICS_TRUNCATE_LENGTH,
+ ParquetProperties.DEFAULT_PAGE_WRITE_CHECKSUM_ENABLED,
fileEncryptionProperties);
+ writer.start();
+
+ try (TransParquetFileReader reader = new
TransParquetFileReader(HadoopInputFile.fromPath(inPath, conf),
HadoopReadOptions.builder(conf).build())) {
+ processBlocks(reader, writer, metaData, schema, paths);
+ } catch (Exception e) {
+ LOG.error("Exception happened while processing blocks: ", e);
+ } finally {
+ try {
+ writer.end(metaData.getFileMetaData().getKeyValueMetaData());
+ } catch (Exception e) {
+ LOG.error("Exception happened when ending the writer: ", e);
+ }
+ }
+ }
+
+ public void processBlocks(TransParquetFileReader reader, ParquetFileWriter
writer, ParquetMetadata meta,
+ MessageType schema, List<String> paths) throws
IOException {
+ Set<ColumnPath> nullifyColumns = convertToColumnPaths(paths);
+ int blockId = 0;
+ PageReadStore store = reader.readNextRowGroup();
+
+ while (store != null) {
+ writer.startBlock(store.getRowCount());
+
+ List<ColumnChunkMetaData> columnsInOrder =
meta.getBlocks().get(blockId).getColumns();
+ Map<ColumnPath, ColumnDescriptor> descriptorsMap =
schema.getColumns().stream().collect(
+ Collectors.toMap(x -> ColumnPath.get(x.getPath()), x -> x));
+
+ for (int i = 0; i < columnsInOrder.size(); i += 1) {
+ ColumnChunkMetaData chunk = columnsInOrder.get(i);
+ ColumnDescriptor descriptor = descriptorsMap.get(chunk.getPath());
+ processChunk(descriptor, chunk, reader, writer, nullifyColumns,
blockId, i, meta.getFileMetaData().getCreatedBy());
+ }
+
+ writer.endBlock();
+ store = reader.readNextRowGroup();
+ blockId++;
+ }
+ }
+
+ private void processChunk(ColumnDescriptor descriptor, ColumnChunkMetaData
chunk, TransParquetFileReader reader, ParquetFileWriter writer,
+ Set<ColumnPath> paths, int blockId, int columnId,
String createdBy) throws IOException {
+ reader.setStreamPosition(chunk.getStartingPos());
+ if (paths.contains(chunk.getPath())) {
+ writer.startColumn(descriptor, chunk.getValueCount(), chunk.getCodec());
+ encryptPages(reader, chunk, writer, createdBy, blockId, columnId);
+ writer.endColumn();
+ } else {
+ BloomFilter bloomFilter = reader.readBloomFilter(chunk);
+ ColumnIndex columnIndex = reader.readColumnIndex(chunk);
+ OffsetIndex offsetIndex = reader.readOffsetIndex(chunk);
+ writer.appendColumnChunk(descriptor, reader.getStream(), chunk,
bloomFilter, columnIndex, offsetIndex);
+ }
+ }
+
+ private void encryptPages(TransParquetFileReader reader, ColumnChunkMetaData
chunk,
+ ParquetFileWriter writer, String createdBy, int
blockId, int columnId) throws IOException {
+ short pageOrdinal = 0;
+ EncryptorRunTime encryptorRunTime = new
EncryptorRunTime(writer.getEncryptor(), chunk, blockId, columnId);
+ DictionaryPage dictionaryPage = null;
+ long readValues = 0;
+ ParquetMetadataConverter converter = new ParquetMetadataConverter();
+ long totalChunkValues = chunk.getValueCount();
+ while (readValues < totalChunkValues) {
+ if (Short.MAX_VALUE == pageOrdinal) {
+ throw new RuntimeException("Number of pages exceeds maximum: " +
Short.MAX_VALUE);
+ }
+ PageHeader pageHeader = reader.readPageHeader();
+ byte[] pageLoad;
+ switch (pageHeader.type) {
+ case DICTIONARY_PAGE:
+ if (dictionaryPage != null) {
+ throw new IOException("has more than one dictionary page in column
chunk");
+ }
+ //No quickUpdatePageAAD needed for dictionary page
+ DictionaryPageHeader dictPageHeader =
pageHeader.dictionary_page_header;
+ pageLoad = encryptPageLoad(reader,
pageHeader.getCompressed_page_size(), encryptorRunTime.getDataEncryptor(),
encryptorRunTime.getDictPageAAD());
+ writer.writeDictionaryPage(new
DictionaryPage(BytesInput.from(pageLoad),
+ pageHeader.getUncompressed_page_size(),
+ dictPageHeader.getNum_values(),
+
converter.getEncoding(dictPageHeader.getEncoding())),
+ encryptorRunTime.getMetaDataEncryptor(),
encryptorRunTime.getDictPageHeaderAAD());
+ break;
+ case DATA_PAGE:
+
AesCipher.quickUpdatePageAAD(encryptorRunTime.getDataPageHeaderAAD(),
pageOrdinal);
+ AesCipher.quickUpdatePageAAD(encryptorRunTime.getDataPageAAD(),
pageOrdinal);
+ DataPageHeader headerV1 = pageHeader.data_page_header;
+ pageLoad = encryptPageLoad(reader,
pageHeader.getCompressed_page_size(), encryptorRunTime.getDataEncryptor(),
encryptorRunTime.getDataPageAAD());
+ readValues += headerV1.getNum_values();
+ writer.writeDataPage(toIntWithCheck(headerV1.getNum_values()),
+ pageHeader.getUncompressed_page_size(),
+ BytesInput.from(pageLoad),
+ converter.fromParquetStatistics(createdBy,
headerV1.getStatistics(), chunk.getPrimitiveType()),
+ converter.getEncoding(headerV1.getRepetition_level_encoding()),
+ converter.getEncoding(headerV1.getDefinition_level_encoding()),
+ converter.getEncoding(headerV1.getEncoding()),
+ encryptorRunTime.getMetaDataEncryptor(),
+ encryptorRunTime.getDataPageHeaderAAD());
+ pageOrdinal++;
+ break;
+ case DATA_PAGE_V2:
+
AesCipher.quickUpdatePageAAD(encryptorRunTime.getDataPageHeaderAAD(),
pageOrdinal);
+ AesCipher.quickUpdatePageAAD(encryptorRunTime.getDataPageAAD(),
pageOrdinal);
+ DataPageHeaderV2 headerV2 = pageHeader.data_page_header_v2;
+ int rlLength = headerV2.getRepetition_levels_byte_length();
+ BytesInput rlLevels = readBlockAllocate(rlLength, reader);
+ int dlLength = headerV2.getDefinition_levels_byte_length();
+ BytesInput dlLevels = readBlockAllocate(dlLength, reader);
+ int payLoadLength = pageHeader.getCompressed_page_size() - rlLength
- dlLength;
+ int rawDataLength = pageHeader.getUncompressed_page_size() -
rlLength - dlLength;
+ pageLoad = encryptPageLoad(reader, payLoadLength,
encryptorRunTime.getDataEncryptor(), encryptorRunTime.getDataPageAAD());
+ readValues += headerV2.getNum_values();
+ writer.writeDataPageV2(headerV2.getNum_rows(),
+ headerV2.getNum_nulls(),
+ headerV2.getNum_values(),
+ rlLevels,
+ dlLevels,
+ converter.getEncoding(headerV2.getEncoding()),
+ BytesInput.from(pageLoad),
+ rawDataLength,
+ converter.fromParquetStatistics(createdBy,
headerV2.getStatistics(), chunk.getPrimitiveType()));
+ pageOrdinal++;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ private byte[] encryptPageLoad(TransParquetFileReader reader, int
payloadLength, BlockCipher.Encryptor dataEncryptor, byte[] AAD) throws
IOException {
Review comment:
Can you clarify a little bit? Do you mean changing the method name? Or
refactor the code?
--
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: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
> Encryption translation tool - Parquet-hadoop
> --------------------------------------------
>
> Key: PARQUET-2081
> URL: https://issues.apache.org/jira/browse/PARQUET-2081
> Project: Parquet
> Issue Type: Task
> Components: parquet-mr
> Reporter: Xinli Shang
> Priority: Major
> Fix For: 1.13.0
>
>
> This is the implement the core part of the Encryption translation tool in
> parquet-hadoop. After this, we will have another Jira/PR for parquet-cli to
> integrate with key tools for encryption properties..
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
