tolleybot commented on code in PR #34616: URL: https://github.com/apache/arrow/pull/34616#discussion_r1163122221
########## cpp/src/arrow/dataset/dataset_encryption_test.cc: ########## @@ -0,0 +1,247 @@ +// 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. + +#include <arrow/api.h> +#include <arrow/dataset/api.h> +#include <string_view> +#include "arrow/array/builder_primitive.h" +#include "arrow/builder.h" +#include "arrow/dataset/partition.h" +#include "arrow/filesystem/mockfs.h" +#include "arrow/status.h" +#include "arrow/table.h" +#include "arrow/testing/gtest_util.h" +#include "gtest/gtest.h" +#include "parquet/encryption/dataset_encryption_config.h" +#include "parquet/encryption/test_in_memory_kms.h" + +constexpr std::string_view dsFooterMasterKey = "0123456789012345"; +constexpr std::string_view dsFooterMasterKeyId = "footer_key"; +constexpr std::string_view dsColumnMasterKeys[] = {"1234567890123450"}; +constexpr std::string_view dsColumnMasterKeyIds[] = {"col_key"}; +const int dsNumColumns = 1; +namespace arrow { +namespace dataset { + +class DatasetEncryptionTest : public ::testing::Test { + protected: + std::unique_ptr<arrow::internal::TemporaryDir> temp_dir_; + std::shared_ptr<::arrow::dataset::InMemoryDataset> dataset_; + std::string footer_key_name_ = "footer_key"; + + ::parquet::encryption::DatasetEncryptionConfiguration dataset_encryption_config_; + ::parquet::encryption::DatasetDecryptionConfiguration dataset_decryption_config_; + std::string column_key_mapping_; + ::parquet::encryption::KmsConnectionConfig kms_connection_config_; + std::shared_ptr<::parquet::encryption::CryptoFactory> crypto_factory_; + std::shared_ptr<ParquetFileFormat> file_format_; + std::shared_ptr<::arrow::fs::FileSystem> file_system_; + + /** setup the test + * + */ + void SetUp() { + // create our mock file system + ::arrow::fs::TimePoint mock_now = std::chrono::system_clock::now(); + ASSERT_OK_AND_ASSIGN(file_system_, + ::arrow::fs::internal::MockFileSystem::Make(mock_now, {})); + // build our dummy table + BuildTable(); + + auto key_list = BuildKeyMap(dsColumnMasterKeyIds, dsColumnMasterKeys, dsNumColumns, + dsFooterMasterKeyId, dsFooterMasterKey); + + SetupCryptoFactory(true, key_list); + + column_key_mapping_ = "col_key: a"; + + // Setup our Dataset encrytion configurations + dataset_encryption_config_.crypto_factory = crypto_factory_; + dataset_encryption_config_.kms_connection_config = + std::make_shared<::parquet::encryption::KmsConnectionConfig>( + kms_connection_config_); + dataset_encryption_config_.encryption_config = + std::make_shared<::parquet::encryption::EncryptionConfiguration>( + footer_key_name_); + dataset_encryption_config_.encryption_config->column_keys = column_key_mapping_; + dataset_encryption_config_.encryption_config->footer_key = footer_key_name_; + + dataset_decryption_config_.crypto_factory = crypto_factory_; + dataset_decryption_config_.kms_connection_config = + std::make_shared<::parquet::encryption::KmsConnectionConfig>( + kms_connection_config_); + dataset_decryption_config_.decryption_config = + std::make_shared<::parquet::encryption::DecryptionConfiguration>(); + + // create our Parquet file format object + file_format_ = std::make_shared<ParquetFileFormat>(); + + file_format_->SetDatasetEncryptionConfig( + std::make_shared<::parquet::encryption::DatasetEncryptionConfiguration>( + dataset_encryption_config_)); + file_format_->SetDatasetDecryptionConfig( + std::make_shared<::parquet::encryption::DatasetDecryptionConfiguration>( + dataset_decryption_config_)); + } + + /** utility to build the key map + * + */ + std::unordered_map<std::string, std::string> BuildKeyMap( + const std::string_view* column_ids, const std::string_view* column_keys, + int num_columns, const std::string_view& footer_id, + const std::string_view& footer_key) { + std::unordered_map<std::string, std::string> key_map; + // add column keys + for (int i = 0; i < num_columns; i++) { + key_map.insert({std::string(column_ids[i]), std::string(column_keys[i])}); + } + // add footer key + key_map.insert({std::string(footer_id), std::string(footer_key)}); + + return key_map; + } + + /** utilty to build column key mapping Review Comment: changed -- This is an automated message from the Apache Git Service. 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