TestDwrfEncryptionInformationSource.java
/*
* Licensed 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 com.facebook.presto.hive;
import com.facebook.presto.hive.metastore.Partition;
import com.facebook.presto.hive.metastore.Table;
import com.facebook.presto.spi.ConnectorSession;
import com.google.common.collect.ImmutableMap;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import static com.facebook.presto.hive.DwrfEncryptionMetadata.forPerField;
import static com.facebook.presto.hive.DwrfEncryptionMetadata.forTable;
import static com.facebook.presto.hive.EncryptionInformation.fromEncryptionMetadata;
import static com.google.common.collect.ImmutableMap.toImmutableMap;
import static java.util.function.Function.identity;
class TestDwrfEncryptionInformationSource
extends AbstractDwrfEncryptionInformationSource
{
public static final String TEST_EXTRA_METADATA = "test.extra.metadata";
@Override
protected Map<String, EncryptionInformation> getReadEncryptionInformationInternal(
ConnectorSession session,
Table table,
Optional<Set<HiveColumnHandle>> requestedColumns,
Map<String, Partition> partitions,
Map<String, String> fieldToKeyReference,
DwrfTableEncryptionProperties encryptionProperties)
{
Map<String, byte[]> fieldToKeyData = fieldToKeyReference.entrySet().stream()
.collect(toImmutableMap(Map.Entry::getKey, entry -> entry.getValue().getBytes()));
return partitions.keySet().stream()
.collect(toImmutableMap(identity(), partitionName -> fromEncryptionMetadata(
forPerField(
fieldToKeyData,
ImmutableMap.of(TEST_EXTRA_METADATA, partitionName),
encryptionProperties.getEncryptionAlgorithm(),
encryptionProperties.getEncryptionProvider()))));
}
@Override
protected EncryptionInformation getReadEncryptionInformationInternal(
ConnectorSession session,
Table table,
Optional<Set<HiveColumnHandle>> requestedColumns,
Map<String, String> fieldToKeyReference,
DwrfTableEncryptionProperties encryptionProperties)
{
Map<String, byte[]> fieldToKeyData = fieldToKeyReference.entrySet().stream()
.collect(toImmutableMap(Map.Entry::getKey, entry -> entry.getValue().getBytes()));
return fromEncryptionMetadata(
forPerField(
fieldToKeyData,
ImmutableMap.of(TEST_EXTRA_METADATA, table.getTableName()),
encryptionProperties.getEncryptionAlgorithm(),
encryptionProperties.getEncryptionProvider()));
}
@Override
protected EncryptionInformation getWriteEncryptionInformationInternal(
ConnectorSession session,
DwrfTableEncryptionProperties tableEncryptionProperties,
String dbName,
String tableName)
{
if (tableEncryptionProperties.getEncryptTable().isPresent()) {
return fromEncryptionMetadata(
forTable(
tableEncryptionProperties.getEncryptTable().get().getBytes(),
ImmutableMap.of(TEST_EXTRA_METADATA, tableEncryptionProperties.getEncryptionAlgorithm()),
tableEncryptionProperties.getEncryptionAlgorithm(),
tableEncryptionProperties.getEncryptionProvider()));
}
else if (tableEncryptionProperties.getColumnEncryptionInformation().isPresent()) {
return fromEncryptionMetadata(
forPerField(
tableEncryptionProperties.getColumnEncryptionInformation().get().getColumnToKeyReference().entrySet().stream()
.collect(toImmutableMap(entry -> entry.getKey().toString(), entry -> entry.getValue().getBytes())),
ImmutableMap.of(TEST_EXTRA_METADATA, tableEncryptionProperties.getEncryptionAlgorithm()),
tableEncryptionProperties.getEncryptionAlgorithm(),
tableEncryptionProperties.getEncryptionProvider()));
}
throw new IllegalStateException("One of table or column property should have a non-empty value");
}
}