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[FLINK-27805][Connectors/ORC] bump orc version to 1.7.2
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flink-formats/flink-orc/src/main/java/org/apache/flink/orc/writer/EncryptionProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.flink.orc.writer; | ||
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| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.orc.OrcFile; | ||
| import org.apache.orc.TypeDescription; | ||
| import org.apache.orc.impl.CryptoUtils; | ||
| import org.apache.orc.impl.HadoopShims; | ||
| import org.apache.orc.impl.KeyProvider; | ||
| import org.apache.orc.impl.writer.WriterEncryptionKey; | ||
| import org.apache.orc.impl.writer.WriterEncryptionVariant; | ||
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|
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| import java.io.IOException; | ||
| import java.security.SecureRandom; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.SortedMap; | ||
| import java.util.TreeMap; | ||
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| /** | ||
| * Copy encryption variants generation code from org.apache.orc:orc-core:1.7.2 {@link | ||
| * org.apache.orc.impl.WriterImpl}. It's used to get encryption variants which are same as {@link | ||
| * org.apache.orc.impl.WriterImpl} generated. | ||
| * | ||
| * <p>NOTE: If the ORC dependency version is updated, this file may have to be updated as well to be | ||
| * in sync with the new version's WriterImpl. | ||
| */ | ||
| public class EncryptionProvider { | ||
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|
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| private final SortedMap<String, WriterEncryptionKey> keys = new TreeMap<>(); | ||
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| private final OrcFile.WriterOptions opts; | ||
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| public EncryptionProvider(OrcFile.WriterOptions opts) { | ||
| this.opts = opts; | ||
| } | ||
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| public WriterEncryptionVariant[] getEncryptionVariants() throws IOException { | ||
| TypeDescription schema = opts.getSchema(); | ||
| schema.annotateEncryption(opts.getEncryption(), opts.getMasks()); | ||
| return setupEncryption(opts.getKeyProvider(), schema, opts.getKeyOverrides()); | ||
| } | ||
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| /** | ||
| * Iterate through the encryption options given by the user and set up our data structures. | ||
| * | ||
| * @param provider the KeyProvider to use to generate keys | ||
| * @param schema the type tree that we search for annotations | ||
| * @param keyOverrides user specified key overrides | ||
| */ | ||
| private WriterEncryptionVariant[] setupEncryption( | ||
| KeyProvider provider, | ||
| TypeDescription schema, | ||
| Map<String, HadoopShims.KeyMetadata> keyOverrides) | ||
| throws IOException { | ||
| KeyProvider keyProvider = | ||
| provider != null | ||
| ? provider | ||
| : CryptoUtils.getKeyProvider(new Configuration(), new SecureRandom()); | ||
| // Load the overrides into the cache so that we use the required key versions. | ||
| for (HadoopShims.KeyMetadata key : keyOverrides.values()) { | ||
| keys.put(key.getKeyName(), new WriterEncryptionKey(key)); | ||
| } | ||
| int variantCount = visitTypeTree(schema, false, keyProvider); | ||
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| // Now that we have de-duped the keys and maskDescriptions, make the arrays | ||
| int nextId = 0; | ||
| int nextVariantId = 0; | ||
| WriterEncryptionVariant[] result = new WriterEncryptionVariant[variantCount]; | ||
| for (WriterEncryptionKey key : keys.values()) { | ||
| key.setId(nextId++); | ||
| key.sortRoots(); | ||
| for (WriterEncryptionVariant variant : key.getEncryptionRoots()) { | ||
| result[nextVariantId] = variant; | ||
| variant.setId(nextVariantId++); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
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| private int visitTypeTree(TypeDescription schema, boolean encrypted, KeyProvider provider) | ||
| throws IOException { | ||
| int result = 0; | ||
| String keyName = schema.getAttributeValue(TypeDescription.ENCRYPT_ATTRIBUTE); | ||
| if (keyName != null) { | ||
| if (provider == null) { | ||
| throw new IllegalArgumentException("Encryption requires a KeyProvider."); | ||
| } | ||
| if (encrypted) { | ||
| throw new IllegalArgumentException("Nested encryption type: " + schema); | ||
| } | ||
| encrypted = true; | ||
| result += 1; | ||
| WriterEncryptionKey key = getKey(keyName, provider); | ||
| HadoopShims.KeyMetadata metadata = key.getMetadata(); | ||
| WriterEncryptionVariant variant = | ||
| new WriterEncryptionVariant(key, schema, provider.createLocalKey(metadata)); | ||
| key.addRoot(variant); | ||
| } | ||
| List<TypeDescription> children = schema.getChildren(); | ||
| if (children != null) { | ||
| for (TypeDescription child : children) { | ||
| result += visitTypeTree(child, encrypted, provider); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
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| private WriterEncryptionKey getKey(String keyName, KeyProvider provider) throws IOException { | ||
| WriterEncryptionKey result = keys.get(keyName); | ||
| if (result == null) { | ||
| result = new WriterEncryptionKey(provider.getCurrentKeyVersion(keyName)); | ||
| keys.put(keyName, result); | ||
| } | ||
| return result; | ||
| } | ||
| } |
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