diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.java
index d01ddd30f4..0b36aec318 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.java
@@ -1022,6 +1022,7 @@ public class CommonConfigurationKeysPublic {
"fs.s3a.*.server-side-encryption.key",
"fs.s3a.encryption.algorithm",
"fs.s3a.encryption.key",
+ "fs.s3a.encryption.context",
"fs.azure\\.account.key.*",
"credential$",
"oauth.*secret",
diff --git a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
index bd91de0f08..4104e30431 100644
--- a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
+++ b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
@@ -742,6 +742,7 @@
fs.s3a.*.server-side-encryption.key
fs.s3a.encryption.algorithm
fs.s3a.encryption.key
+ fs.s3a.encryption.context
fs.s3a.secret.key
fs.s3a.*.secret.key
fs.s3a.session.key
@@ -1760,6 +1761,15 @@
+
+ fs.s3a.encryption.context
+ Specific encryption context to use if fs.s3a.encryption.algorithm
+ has been set to 'SSE-KMS' or 'DSSE-KMS'. The value of this property is a set
+ of non-secret comma-separated key-value pairs of additional contextual
+ information about the data that are separated by equal operator (=).
+
+
+
fs.s3a.signing-algorithm
Override the default signing algorithm so legacy
diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java
index 185389739c..8833aeba2f 100644
--- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java
+++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java
@@ -736,6 +736,16 @@ private Constants() {
public static final String S3_ENCRYPTION_KEY =
"fs.s3a.encryption.key";
+ /**
+ * Set S3-SSE encryption context.
+ * The value of this property is a set of non-secret comma-separated key-value pairs
+ * of additional contextual information about the data that are separated by equal
+ * operator (=).
+ * value:{@value}
+ */
+ public static final String S3_ENCRYPTION_CONTEXT =
+ "fs.s3a.encryption.context";
+
/**
* List of custom Signers. The signer class will be loaded, and the signer
* name will be associated with this signer class in the S3 SDK.
diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AUtils.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AUtils.java
index b7c89c4626..685b95dfc3 100644
--- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AUtils.java
+++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AUtils.java
@@ -37,6 +37,7 @@
import org.apache.hadoop.fs.PathFilter;
import org.apache.hadoop.fs.PathIOException;
import org.apache.hadoop.fs.RemoteIterator;
+import org.apache.hadoop.fs.s3a.impl.S3AEncryption;
import org.apache.hadoop.util.functional.RemoteIterators;
import org.apache.hadoop.fs.s3a.auth.delegation.EncryptionSecrets;
import org.apache.hadoop.fs.s3a.impl.MultiObjectDeleteException;
@@ -1312,7 +1313,7 @@ static void patchSecurityCredentialProviders(Configuration conf) {
* @throws IOException on any IO problem
* @throws IllegalArgumentException bad arguments
*/
- private static String lookupBucketSecret(
+ public static String lookupBucketSecret(
String bucket,
Configuration conf,
String baseKey)
@@ -1458,6 +1459,8 @@ public static EncryptionSecrets buildEncryptionSecrets(String bucket,
int encryptionKeyLen =
StringUtils.isBlank(encryptionKey) ? 0 : encryptionKey.length();
String diagnostics = passwordDiagnostics(encryptionKey, "key");
+ String encryptionContext = S3AEncryption.getS3EncryptionContextBase64Encoded(bucket, conf,
+ encryptionMethod.requiresSecret());
switch (encryptionMethod) {
case SSE_C:
LOG.debug("Using SSE-C with {}", diagnostics);
@@ -1493,7 +1496,7 @@ public static EncryptionSecrets buildEncryptionSecrets(String bucket,
LOG.debug("Data is unencrypted");
break;
}
- return new EncryptionSecrets(encryptionMethod, encryptionKey);
+ return new EncryptionSecrets(encryptionMethod, encryptionKey, encryptionContext);
}
/**
@@ -1686,6 +1689,21 @@ public static Map getTrimmedStringCollectionSplitByEquals(
final Configuration configuration,
final String name) {
String valueString = configuration.get(name);
+ return getTrimmedStringCollectionSplitByEquals(valueString);
+ }
+
+ /**
+ * Get the equal op (=) delimited key-value pairs of the name
property as
+ * a collection of pair of String
s, trimmed of the leading and trailing whitespace
+ * after delimiting the name
by comma and new line separator.
+ * If no such property is specified then empty Map
is returned.
+ *
+ * @param valueString the string containing the key-value pairs.
+ * @return property value as a Map
of String
s, or empty
+ * Map
.
+ */
+ public static Map getTrimmedStringCollectionSplitByEquals(
+ final String valueString) {
if (null == valueString) {
return new HashMap<>();
}
diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/delegation/EncryptionSecretOperations.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/delegation/EncryptionSecretOperations.java
index 8a55a97013..ea5c0cf207 100644
--- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/delegation/EncryptionSecretOperations.java
+++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/delegation/EncryptionSecretOperations.java
@@ -61,4 +61,20 @@ public static Optional getSSEAwsKMSKey(final EncryptionSecrets secrets)
return Optional.empty();
}
}
+
+ /**
+ * Gets the SSE-KMS context if present, else don't set it in the S3 request.
+ *
+ * @param secrets source of the encryption secrets.
+ * @return an optional AWS KMS encryption context to attach to a request.
+ */
+ public static Optional getSSEAwsKMSEncryptionContext(final EncryptionSecrets secrets) {
+ if ((secrets.getEncryptionMethod() == S3AEncryptionMethods.SSE_KMS
+ || secrets.getEncryptionMethod() == S3AEncryptionMethods.DSSE_KMS)
+ && secrets.hasEncryptionContext()) {
+ return Optional.of(secrets.getEncryptionContext());
+ } else {
+ return Optional.empty();
+ }
+ }
}
diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/delegation/EncryptionSecrets.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/delegation/EncryptionSecrets.java
index 092653de55..f421ecca24 100644
--- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/delegation/EncryptionSecrets.java
+++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/auth/delegation/EncryptionSecrets.java
@@ -67,6 +67,11 @@ public class EncryptionSecrets implements Writable, Serializable {
*/
private String encryptionKey = "";
+ /**
+ * Encryption context: base64-encoded UTF-8 string.
+ */
+ private String encryptionContext = "";
+
/**
* This field isn't serialized/marshalled; it is rebuilt from the
* encryptionAlgorithm field.
@@ -84,23 +89,28 @@ public EncryptionSecrets() {
* Create a pair of secrets.
* @param encryptionAlgorithm algorithm enumeration.
* @param encryptionKey key/key reference.
+ * @param encryptionContext base64-encoded string with the encryption context key-value pairs.
* @throws IOException failure to initialize.
*/
public EncryptionSecrets(final S3AEncryptionMethods encryptionAlgorithm,
- final String encryptionKey) throws IOException {
- this(encryptionAlgorithm.getMethod(), encryptionKey);
+ final String encryptionKey,
+ final String encryptionContext) throws IOException {
+ this(encryptionAlgorithm.getMethod(), encryptionKey, encryptionContext);
}
/**
* Create a pair of secrets.
* @param encryptionAlgorithm algorithm name
* @param encryptionKey key/key reference.
+ * @param encryptionContext base64-encoded string with the encryption context key-value pairs.
* @throws IOException failure to initialize.
*/
public EncryptionSecrets(final String encryptionAlgorithm,
- final String encryptionKey) throws IOException {
+ final String encryptionKey,
+ final String encryptionContext) throws IOException {
this.encryptionAlgorithm = encryptionAlgorithm;
this.encryptionKey = encryptionKey;
+ this.encryptionContext = encryptionContext;
init();
}
@@ -114,6 +124,7 @@ public void write(final DataOutput out) throws IOException {
new LongWritable(serialVersionUID).write(out);
Text.writeString(out, encryptionAlgorithm);
Text.writeString(out, encryptionKey);
+ Text.writeString(out, encryptionContext);
}
/**
@@ -132,6 +143,7 @@ public void readFields(final DataInput in) throws IOException {
}
encryptionAlgorithm = Text.readString(in, MAX_SECRET_LENGTH);
encryptionKey = Text.readString(in, MAX_SECRET_LENGTH);
+ encryptionContext = Text.readString(in);
init();
}
@@ -164,6 +176,10 @@ public String getEncryptionKey() {
return encryptionKey;
}
+ public String getEncryptionContext() {
+ return encryptionContext;
+ }
+
/**
* Does this instance have encryption options?
* That is: is the algorithm non-null.
@@ -181,6 +197,14 @@ public boolean hasEncryptionKey() {
return StringUtils.isNotEmpty(encryptionKey);
}
+ /**
+ * Does this instance have an encryption context?
+ * @return true if there's an encryption context.
+ */
+ public boolean hasEncryptionContext() {
+ return StringUtils.isNotEmpty(encryptionContext);
+ }
+
@Override
public boolean equals(final Object o) {
if (this == o) {
@@ -191,12 +215,13 @@ public boolean equals(final Object o) {
}
final EncryptionSecrets that = (EncryptionSecrets) o;
return Objects.equals(encryptionAlgorithm, that.encryptionAlgorithm)
- && Objects.equals(encryptionKey, that.encryptionKey);
+ && Objects.equals(encryptionKey, that.encryptionKey)
+ && Objects.equals(encryptionContext, that.encryptionContext);
}
@Override
public int hashCode() {
- return Objects.hash(encryptionAlgorithm, encryptionKey);
+ return Objects.hash(encryptionAlgorithm, encryptionKey, encryptionContext);
}
/**
diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/RequestFactoryImpl.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/RequestFactoryImpl.java
index c91324da7c..df2a6567db 100644
--- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/RequestFactoryImpl.java
+++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/RequestFactoryImpl.java
@@ -270,6 +270,8 @@ protected void copyEncryptionParameters(HeadObjectResponse srcom,
LOG.debug("Propagating SSE-KMS settings from source {}",
sourceKMSId);
copyObjectRequestBuilder.ssekmsKeyId(sourceKMSId);
+ EncryptionSecretOperations.getSSEAwsKMSEncryptionContext(encryptionSecrets)
+ .ifPresent(copyObjectRequestBuilder::ssekmsEncryptionContext);
return;
}
@@ -282,11 +284,15 @@ protected void copyEncryptionParameters(HeadObjectResponse srcom,
// Set the KMS key if present, else S3 uses AWS managed key.
EncryptionSecretOperations.getSSEAwsKMSKey(encryptionSecrets)
.ifPresent(copyObjectRequestBuilder::ssekmsKeyId);
+ EncryptionSecretOperations.getSSEAwsKMSEncryptionContext(encryptionSecrets)
+ .ifPresent(copyObjectRequestBuilder::ssekmsEncryptionContext);
break;
case DSSE_KMS:
copyObjectRequestBuilder.serverSideEncryption(ServerSideEncryption.AWS_KMS_DSSE);
EncryptionSecretOperations.getSSEAwsKMSKey(encryptionSecrets)
.ifPresent(copyObjectRequestBuilder::ssekmsKeyId);
+ EncryptionSecretOperations.getSSEAwsKMSEncryptionContext(encryptionSecrets)
+ .ifPresent(copyObjectRequestBuilder::ssekmsEncryptionContext);
break;
case SSE_C:
EncryptionSecretOperations.getSSECustomerKey(encryptionSecrets)
@@ -371,11 +377,15 @@ private void putEncryptionParameters(PutObjectRequest.Builder putObjectRequestBu
// Set the KMS key if present, else S3 uses AWS managed key.
EncryptionSecretOperations.getSSEAwsKMSKey(encryptionSecrets)
.ifPresent(putObjectRequestBuilder::ssekmsKeyId);
+ EncryptionSecretOperations.getSSEAwsKMSEncryptionContext(encryptionSecrets)
+ .ifPresent(putObjectRequestBuilder::ssekmsEncryptionContext);
break;
case DSSE_KMS:
putObjectRequestBuilder.serverSideEncryption(ServerSideEncryption.AWS_KMS_DSSE);
EncryptionSecretOperations.getSSEAwsKMSKey(encryptionSecrets)
.ifPresent(putObjectRequestBuilder::ssekmsKeyId);
+ EncryptionSecretOperations.getSSEAwsKMSEncryptionContext(encryptionSecrets)
+ .ifPresent(putObjectRequestBuilder::ssekmsEncryptionContext);
break;
case SSE_C:
EncryptionSecretOperations.getSSECustomerKey(encryptionSecrets)
@@ -447,11 +457,15 @@ private void multipartUploadEncryptionParameters(
// Set the KMS key if present, else S3 uses AWS managed key.
EncryptionSecretOperations.getSSEAwsKMSKey(encryptionSecrets)
.ifPresent(mpuRequestBuilder::ssekmsKeyId);
+ EncryptionSecretOperations.getSSEAwsKMSEncryptionContext(encryptionSecrets)
+ .ifPresent(mpuRequestBuilder::ssekmsEncryptionContext);
break;
case DSSE_KMS:
mpuRequestBuilder.serverSideEncryption(ServerSideEncryption.AWS_KMS_DSSE);
EncryptionSecretOperations.getSSEAwsKMSKey(encryptionSecrets)
.ifPresent(mpuRequestBuilder::ssekmsKeyId);
+ EncryptionSecretOperations.getSSEAwsKMSEncryptionContext(encryptionSecrets)
+ .ifPresent(mpuRequestBuilder::ssekmsEncryptionContext);
break;
case SSE_C:
EncryptionSecretOperations.getSSECustomerKey(encryptionSecrets)
diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/S3AEncryption.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/S3AEncryption.java
new file mode 100644
index 0000000000..a720d2ca10
--- /dev/null
+++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/impl/S3AEncryption.java
@@ -0,0 +1,106 @@
+/*
+ * 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.hadoop.fs.s3a.impl;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.Map;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.s3a.S3AUtils;
+
+import static org.apache.hadoop.fs.s3a.Constants.S3_ENCRYPTION_CONTEXT;
+
+/**
+ * Utility methods for S3A encryption properties.
+ */
+public final class S3AEncryption {
+
+ private static final Logger LOG = LoggerFactory.getLogger(S3AEncryption.class);
+
+ private S3AEncryption() {
+ }
+
+ /**
+ * Get any SSE context from a configuration/credential provider.
+ * @param bucket bucket to query for
+ * @param conf configuration to examine
+ * @return the encryption context value or ""
+ * @throws IOException if reading a JCEKS file raised an IOE
+ * @throws IllegalArgumentException bad arguments.
+ */
+ public static String getS3EncryptionContext(String bucket, Configuration conf)
+ throws IOException {
+ // look up the per-bucket value of the encryption context
+ String encryptionContext = S3AUtils.lookupBucketSecret(bucket, conf, S3_ENCRYPTION_CONTEXT);
+ if (encryptionContext == null) {
+ // look up the global value of the encryption context
+ encryptionContext = S3AUtils.lookupPassword(null, conf, S3_ENCRYPTION_CONTEXT);
+ }
+ if (encryptionContext == null) {
+ // no encryption context, return ""
+ return "";
+ }
+ return encryptionContext;
+ }
+
+ /**
+ * Get any SSE context from a configuration/credential provider.
+ * This includes converting the values to a base64-encoded UTF-8 string
+ * holding JSON with the encryption context key-value pairs
+ * @param bucket bucket to query for
+ * @param conf configuration to examine
+ * @param propagateExceptions should IO exceptions be rethrown?
+ * @return the Base64 encryption context or ""
+ * @throws IllegalArgumentException bad arguments.
+ * @throws IOException if propagateExceptions==true and reading a JCEKS file raised an IOE
+ */
+ public static String getS3EncryptionContextBase64Encoded(
+ String bucket,
+ Configuration conf,
+ boolean propagateExceptions) throws IOException {
+ try {
+ final String encryptionContextValue = getS3EncryptionContext(bucket, conf);
+ if (StringUtils.isBlank(encryptionContextValue)) {
+ return "";
+ }
+ final Map encryptionContextMap = S3AUtils
+ .getTrimmedStringCollectionSplitByEquals(encryptionContextValue);
+ if (encryptionContextMap.isEmpty()) {
+ return "";
+ }
+ final String encryptionContextJson = new ObjectMapper().writeValueAsString(
+ encryptionContextMap);
+ return Base64.encodeBase64String(encryptionContextJson.getBytes(StandardCharsets.UTF_8));
+ } catch (IOException e) {
+ if (propagateExceptions) {
+ throw e;
+ }
+ LOG.warn("Cannot retrieve {} for bucket {}",
+ S3_ENCRYPTION_CONTEXT, bucket, e);
+ return "";
+ }
+ }
+}
diff --git a/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/encryption.md b/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/encryption.md
index 42ef91c032..7b9e8d0412 100644
--- a/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/encryption.md
+++ b/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/encryption.md
@@ -243,6 +243,21 @@ The ID of the specific key used to encrypt the data should also be set in the pr
```
+Optionally, you can specify the encryption context in the property `fs.s3a.encryption.context`:
+
+```xml
+
+ fs.s3a.encryption.context
+
+ key1=value1,
+ key2=value2,
+ key3=value3,
+ key4=value4,
+ key5=value5
+
+
+```
+
Organizations may define a default key in the Amazon KMS; if a default key is set,
then it will be used whenever SSE-KMS encryption is chosen and the value of `fs.s3a.encryption.key` is empty.
@@ -378,6 +393,21 @@ The ID of the specific key used to encrypt the data should also be set in the pr
```
+Optionally, you can specify the encryption context in the property `fs.s3a.encryption.context`:
+
+```xml
+
+ fs.s3a.encryption.context
+
+ key1=value1,
+ key2=value2,
+ key3=value3,
+ key4=value4,
+ key5=value5
+
+
+```
+
Organizations may define a default key in the Amazon KMS; if a default key is set,
then it will be used whenever SSE-KMS encryption is chosen and the value of `fs.s3a.encryption.key` is empty.
diff --git a/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md b/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md
index 7412a4cebc..1b4b2e8b21 100644
--- a/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md
+++ b/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md
@@ -625,6 +625,15 @@ Here are some the S3A properties for use in production.
+
+ fs.s3a.encryption.context
+ Specific encryption context to use if fs.s3a.encryption.algorithm
+ has been set to 'SSE-KMS' or 'DSSE-KMS'. The value of this property is a set
+ of non-secret comma-separated key-value pairs of additional contextual
+ information about the data that are separated by equal operator (=).
+
+
+
fs.s3a.signing-algorithm
Override the default signing algorithm so legacy
@@ -1294,6 +1303,11 @@ For a site configuration of:
unset
+
+ fs.s3a.encryption.context
+ unset
+
+
```
diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/AbstractTestS3AEncryption.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/AbstractTestS3AEncryption.java
index 3a3d82d94f..55cebeab8e 100644
--- a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/AbstractTestS3AEncryption.java
+++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/AbstractTestS3AEncryption.java
@@ -30,6 +30,7 @@
import static org.apache.hadoop.fs.contract.ContractTestUtils.*;
import static org.apache.hadoop.fs.s3a.Constants.S3_ENCRYPTION_ALGORITHM;
+import static org.apache.hadoop.fs.s3a.Constants.S3_ENCRYPTION_CONTEXT;
import static org.apache.hadoop.fs.s3a.Constants.S3_ENCRYPTION_KEY;
import static org.apache.hadoop.fs.s3a.Constants.SERVER_SIDE_ENCRYPTION_ALGORITHM;
import static org.apache.hadoop.fs.s3a.Constants.SERVER_SIDE_ENCRYPTION_KEY;
@@ -69,6 +70,7 @@ protected void patchConfigurationEncryptionSettings(
removeBaseAndBucketOverrides(conf,
S3_ENCRYPTION_ALGORITHM,
S3_ENCRYPTION_KEY,
+ S3_ENCRYPTION_CONTEXT,
SERVER_SIDE_ENCRYPTION_ALGORITHM,
SERVER_SIDE_ENCRYPTION_KEY);
conf.set(S3_ENCRYPTION_ALGORITHM,
diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3AEncryptionSSEKMSWithEncryptionContext.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3AEncryptionSSEKMSWithEncryptionContext.java
new file mode 100644
index 0000000000..c3d4cd41fc
--- /dev/null
+++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3AEncryptionSSEKMSWithEncryptionContext.java
@@ -0,0 +1,101 @@
+/**
+ * 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.hadoop.fs.s3a;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.util.Set;
+
+import org.apache.hadoop.thirdparty.com.google.common.collect.ImmutableSet;
+
+import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.s3a.impl.S3AEncryption;
+
+import static org.apache.hadoop.fs.contract.ContractTestUtils.skip;
+import static org.apache.hadoop.fs.s3a.Constants.S3_ENCRYPTION_CONTEXT;
+import static org.apache.hadoop.fs.s3a.Constants.S3_ENCRYPTION_KEY;
+import static org.apache.hadoop.fs.s3a.S3AEncryptionMethods.DSSE_KMS;
+import static org.apache.hadoop.fs.s3a.S3AEncryptionMethods.SSE_KMS;
+import static org.apache.hadoop.fs.s3a.S3ATestUtils.assume;
+import static org.apache.hadoop.fs.s3a.S3ATestUtils.getTestBucketName;
+
+/**
+ * Concrete class that extends {@link AbstractTestS3AEncryption}
+ * and tests KMS encryption with encryption context.
+ * S3's HeadObject doesn't return the object's encryption context.
+ * Therefore, we don't have a way to assert its value in code.
+ * In order to properly test if the encryption context is being set,
+ * the KMS key or the IAM User need to have a deny statements like the one below in the policy:
+ *
+ * {
+ * "Effect": "Deny",
+ * "Principal": {
+ * "AWS": "*"
+ * },
+ * "Action": "kms:Decrypt",
+ * "Resource": "*",
+ * "Condition": {
+ * "StringNotEquals": {
+ * "kms:EncryptionContext:project": "hadoop"
+ * }
+ * }
+ * }
+ *
+ * With the statement above, S3A will fail to read the object from S3 if it was encrypted
+ * without the key-pair "project": "hadoop"
in the encryption context.
+ */
+public class ITestS3AEncryptionSSEKMSWithEncryptionContext
+ extends AbstractTestS3AEncryption {
+
+ private static final Set KMS_ENCRYPTION_ALGORITHMS = ImmutableSet.of(
+ SSE_KMS, DSSE_KMS);
+
+ private S3AEncryptionMethods encryptionAlgorithm;
+
+ @Override
+ protected Configuration createConfiguration() {
+ try {
+ // get the KMS key and context for this test.
+ Configuration c = new Configuration();
+ final String bucketName = getTestBucketName(c);
+ String kmsKey = S3AUtils.getS3EncryptionKey(bucketName, c);
+ String encryptionContext = S3AEncryption.getS3EncryptionContext(bucketName, c);
+ encryptionAlgorithm = S3AUtils.getEncryptionAlgorithm(bucketName, c);
+ assume("Expected a KMS encryption algorithm",
+ KMS_ENCRYPTION_ALGORITHMS.contains(encryptionAlgorithm));
+ if (StringUtils.isBlank(encryptionContext)) {
+ skip(S3_ENCRYPTION_CONTEXT + " is not set.");
+ }
+ Configuration conf = super.createConfiguration();
+ S3ATestUtils.removeBaseAndBucketOverrides(conf, S3_ENCRYPTION_KEY, S3_ENCRYPTION_CONTEXT);
+ conf.set(S3_ENCRYPTION_KEY, kmsKey);
+ conf.set(S3_ENCRYPTION_CONTEXT, encryptionContext);
+ return conf;
+
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
+ }
+ }
+
+ @Override
+ protected S3AEncryptionMethods getSSEAlgorithm() {
+ return encryptionAlgorithm;
+ }
+}
diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/TestSSEConfiguration.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/TestSSEConfiguration.java
index 6985fa44c3..dcda681551 100644
--- a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/TestSSEConfiguration.java
+++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/TestSSEConfiguration.java
@@ -29,9 +29,11 @@
import org.junit.rules.Timeout;
import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.s3a.impl.S3AEncryption;
import org.apache.hadoop.security.ProviderUtils;
import org.apache.hadoop.security.alias.CredentialProvider;
import org.apache.hadoop.security.alias.CredentialProviderFactory;
+import org.apache.hadoop.util.StringUtils;
import static org.apache.hadoop.fs.s3a.Constants.*;
import static org.apache.hadoop.fs.s3a.S3AEncryptionMethods.*;
@@ -48,6 +50,9 @@ public class TestSSEConfiguration extends Assert {
/** Bucket to use for per-bucket options. */
public static final String BUCKET = "dataset-1";
+ /** Valid set of key/value pairs for the encryption context. */
+ private static final String VALID_ENCRYPTION_CONTEXT = "key1=value1, key2=value2, key3=value3";
+
@Rule
public Timeout testTimeout = new Timeout(
S3ATestConstants.S3A_TEST_TIMEOUT
@@ -58,41 +63,41 @@ public class TestSSEConfiguration extends Assert {
@Test
public void testSSECNoKey() throws Throwable {
- assertGetAlgorithmFails(SSE_C_NO_KEY_ERROR, SSE_C.getMethod(), null);
+ assertGetAlgorithmFails(SSE_C_NO_KEY_ERROR, SSE_C.getMethod(), null, null);
}
@Test
public void testSSECBlankKey() throws Throwable {
- assertGetAlgorithmFails(SSE_C_NO_KEY_ERROR, SSE_C.getMethod(), "");
+ assertGetAlgorithmFails(SSE_C_NO_KEY_ERROR, SSE_C.getMethod(), "", null);
}
@Test
public void testSSECGoodKey() throws Throwable {
- assertEquals(SSE_C, getAlgorithm(SSE_C, "sseckey"));
+ assertEquals(SSE_C, getAlgorithm(SSE_C, "sseckey", null));
}
@Test
public void testKMSGoodKey() throws Throwable {
- assertEquals(SSE_KMS, getAlgorithm(SSE_KMS, "kmskey"));
+ assertEquals(SSE_KMS, getAlgorithm(SSE_KMS, "kmskey", null));
}
@Test
public void testAESKeySet() throws Throwable {
assertGetAlgorithmFails(SSE_S3_WITH_KEY_ERROR,
- SSE_S3.getMethod(), "setkey");
+ SSE_S3.getMethod(), "setkey", null);
}
@Test
public void testSSEEmptyKey() {
// test the internal logic of the test setup code
- Configuration c = buildConf(SSE_C.getMethod(), "");
+ Configuration c = buildConf(SSE_C.getMethod(), "", null);
assertEquals("", getS3EncryptionKey(BUCKET, c));
}
@Test
public void testSSEKeyNull() throws Throwable {
// test the internal logic of the test setup code
- final Configuration c = buildConf(SSE_C.getMethod(), null);
+ final Configuration c = buildConf(SSE_C.getMethod(), null, null);
assertEquals("", getS3EncryptionKey(BUCKET, c));
intercept(IOException.class, SSE_C_NO_KEY_ERROR,
@@ -147,28 +152,30 @@ void setProviderOption(final Configuration conf,
}
/**
- * Assert that the exception text from {@link #getAlgorithm(String, String)}
+ * Assert that the exception text from {@link #getAlgorithm(String, String, String)}
* is as expected.
* @param expected expected substring in error
* @param alg algorithm to ask for
* @param key optional key value
+ * @param context optional encryption context value
* @throws Exception anything else which gets raised
*/
public void assertGetAlgorithmFails(String expected,
- final String alg, final String key) throws Exception {
+ final String alg, final String key, final String context) throws Exception {
intercept(IOException.class, expected,
- () -> getAlgorithm(alg, key));
+ () -> getAlgorithm(alg, key, context));
}
private S3AEncryptionMethods getAlgorithm(S3AEncryptionMethods algorithm,
- String key)
+ String key,
+ String encryptionContext)
throws IOException {
- return getAlgorithm(algorithm.getMethod(), key);
+ return getAlgorithm(algorithm.getMethod(), key, encryptionContext);
}
- private S3AEncryptionMethods getAlgorithm(String algorithm, String key)
+ private S3AEncryptionMethods getAlgorithm(String algorithm, String key, String encryptionContext)
throws IOException {
- return getEncryptionAlgorithm(BUCKET, buildConf(algorithm, key));
+ return getEncryptionAlgorithm(BUCKET, buildConf(algorithm, key, encryptionContext));
}
/**
@@ -176,10 +183,11 @@ private S3AEncryptionMethods getAlgorithm(String algorithm, String key)
* and key.
* @param algorithm algorithm to use, may be null
* @param key key, may be null
+ * @param encryptionContext encryption context, may be null
* @return the new config.
*/
@SuppressWarnings("deprecation")
- private Configuration buildConf(String algorithm, String key) {
+ private Configuration buildConf(String algorithm, String key, String encryptionContext) {
Configuration conf = emptyConf();
if (algorithm != null) {
conf.set(Constants.S3_ENCRYPTION_ALGORITHM, algorithm);
@@ -193,6 +201,11 @@ private Configuration buildConf(String algorithm, String key) {
conf.unset(SERVER_SIDE_ENCRYPTION_KEY);
conf.unset(Constants.S3_ENCRYPTION_KEY);
}
+ if (encryptionContext != null) {
+ conf.set(S3_ENCRYPTION_CONTEXT, encryptionContext);
+ } else {
+ conf.unset(S3_ENCRYPTION_CONTEXT);
+ }
return conf;
}
@@ -308,4 +321,30 @@ public void testNoEncryptionMethod() throws Throwable {
assertEquals(NONE, getMethod(" "));
}
+ @Test
+ public void testGoodEncryptionContext() throws Throwable {
+ assertEquals(SSE_KMS, getAlgorithm(SSE_KMS, "kmskey", VALID_ENCRYPTION_CONTEXT));
+ }
+
+ @Test
+ public void testSSEEmptyEncryptionContext() throws Throwable {
+ // test the internal logic of the test setup code
+ Configuration c = buildConf(SSE_KMS.getMethod(), "kmskey", "");
+ assertEquals("", S3AEncryption.getS3EncryptionContext(BUCKET, c));
+ }
+
+ @Test
+ public void testSSEEncryptionContextNull() throws Throwable {
+ // test the internal logic of the test setup code
+ final Configuration c = buildConf(SSE_KMS.getMethod(), "kmskey", null);
+ assertEquals("", S3AEncryption.getS3EncryptionContext(BUCKET, c));
+ }
+
+ @Test
+ public void testSSEInvalidEncryptionContext() throws Throwable {
+ intercept(IllegalArgumentException.class,
+ StringUtils.STRING_COLLECTION_SPLIT_EQUALS_INVALID_ARG,
+ () -> getAlgorithm(SSE_KMS.getMethod(), "kmskey", "invalid context"));
+ }
+
}
diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/TestMarshalledCredentials.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/TestMarshalledCredentials.java
index b9d547635f..71f22f4314 100644
--- a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/TestMarshalledCredentials.java
+++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/TestMarshalledCredentials.java
@@ -80,7 +80,8 @@ public void testRoundTripNoSessionData() throws Throwable {
public void testRoundTripEncryptionData() throws Throwable {
EncryptionSecrets secrets = new EncryptionSecrets(
S3AEncryptionMethods.SSE_KMS,
- "key");
+ "key",
+ "encryptionContext");
EncryptionSecrets result = S3ATestUtils.roundTrip(secrets,
new Configuration());
assertEquals("round trip", secrets, result);
diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/delegation/ITestSessionDelegationTokens.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/delegation/ITestSessionDelegationTokens.java
index efc7759668..b58ca24aaa 100644
--- a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/delegation/ITestSessionDelegationTokens.java
+++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/delegation/ITestSessionDelegationTokens.java
@@ -116,7 +116,7 @@ public void testCanonicalization() throws Throwable {
public void testSaveLoadTokens() throws Throwable {
File tokenFile = File.createTempFile("token", "bin");
EncryptionSecrets encryptionSecrets = new EncryptionSecrets(
- S3AEncryptionMethods.SSE_KMS, KMS_KEY);
+ S3AEncryptionMethods.SSE_KMS, KMS_KEY, "");
Token dt
= delegationTokens.createDelegationToken(encryptionSecrets, null);
final SessionTokenIdentifier origIdentifier
@@ -171,7 +171,7 @@ public void testCreateAndUseDT() throws Throwable {
assertNull("Current User has delegation token",
delegationTokens.selectTokenFromFSOwner());
EncryptionSecrets secrets = new EncryptionSecrets(
- S3AEncryptionMethods.SSE_KMS, KMS_KEY);
+ S3AEncryptionMethods.SSE_KMS, KMS_KEY, "");
Token originalDT
= delegationTokens.createDelegationToken(secrets, null);
assertEquals("Token kind mismatch", getTokenKind(), originalDT.getKind());
@@ -229,7 +229,7 @@ public void testCreateWithRenewer() throws Throwable {
assertNull("Current User has delegation token",
delegationTokens.selectTokenFromFSOwner());
EncryptionSecrets secrets = new EncryptionSecrets(
- S3AEncryptionMethods.SSE_KMS, KMS_KEY);
+ S3AEncryptionMethods.SSE_KMS, KMS_KEY, "");
Token dt
= delegationTokens.createDelegationToken(secrets, renewer);
assertEquals("Token kind mismatch", getTokenKind(), dt.getKind());
diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/delegation/TestS3ADelegationTokenSupport.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/delegation/TestS3ADelegationTokenSupport.java
index af306cc5a9..a06e9ac62f 100644
--- a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/delegation/TestS3ADelegationTokenSupport.java
+++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/auth/delegation/TestS3ADelegationTokenSupport.java
@@ -19,10 +19,12 @@
package org.apache.hadoop.fs.s3a.auth.delegation;
import java.net.URI;
+import java.nio.charset.StandardCharsets;
import org.junit.BeforeClass;
import org.junit.Test;
+import org.apache.commons.codec.binary.Base64;
import org.apache.hadoop.fs.s3a.S3AEncryptionMethods;
import org.apache.hadoop.fs.s3a.S3ATestUtils;
import org.apache.hadoop.fs.s3a.auth.MarshalledCredentialBinding;
@@ -70,13 +72,17 @@ public void testSessionTokenIssueDate() throws Throwable {
public void testSessionTokenDecode() throws Throwable {
Text alice = new Text("alice");
Text renewer = new Text("yarn");
+ String encryptionKey = "encryptionKey";
+ String encryptionContextJson = "{\"key\":\"value\", \"key2\": \"value3\"}";
+ String encryptionContextEncoded = Base64.encodeBase64String(encryptionContextJson.getBytes(
+ StandardCharsets.UTF_8));
AbstractS3ATokenIdentifier identifier
= new SessionTokenIdentifier(SESSION_TOKEN_KIND,
alice,
renewer,
new URI("s3a://anything/"),
new MarshalledCredentials("a", "b", ""),
- new EncryptionSecrets(S3AEncryptionMethods.SSE_S3, ""),
+ new EncryptionSecrets(S3AEncryptionMethods.SSE_S3, encryptionKey, encryptionContextEncoded),
"origin");
Token t1 =
new Token<>(identifier,
@@ -100,6 +106,10 @@ public void testSessionTokenDecode() throws Throwable {
assertEquals("origin", decoded.getOrigin());
assertEquals("issue date", identifier.getIssueDate(),
decoded.getIssueDate());
+ EncryptionSecrets encryptionSecrets = decoded.getEncryptionSecrets();
+ assertEquals(S3AEncryptionMethods.SSE_S3, encryptionSecrets.getEncryptionMethod());
+ assertEquals(encryptionKey, encryptionSecrets.getEncryptionKey());
+ assertEquals(encryptionContextEncoded, encryptionSecrets.getEncryptionContext());
}
@Test
@@ -112,13 +122,19 @@ public void testFullTokenKind() throws Throwable {
@Test
public void testSessionTokenIdentifierRoundTrip() throws Throwable {
Text renewer = new Text("yarn");
+ String encryptionKey = "encryptionKey";
+ String encryptionContextJson = "{\"key\":\"value\", \"key2\": \"value3\"}";
+ String encryptionContextEncoded = Base64.encodeBase64String(encryptionContextJson.getBytes(
+ StandardCharsets.UTF_8));
SessionTokenIdentifier id = new SessionTokenIdentifier(
SESSION_TOKEN_KIND,
new Text(),
renewer,
externalUri,
new MarshalledCredentials("a", "b", "c"),
- new EncryptionSecrets(), "");
+ new EncryptionSecrets(S3AEncryptionMethods.DSSE_KMS, encryptionKey,
+ encryptionContextEncoded),
+ "");
SessionTokenIdentifier result = S3ATestUtils.roundTrip(id, null);
String ids = id.toString();
@@ -127,6 +143,10 @@ public void testSessionTokenIdentifierRoundTrip() throws Throwable {
id.getMarshalledCredentials(),
result.getMarshalledCredentials());
assertEquals("renewer in " + ids, renewer, id.getRenewer());
+ EncryptionSecrets encryptionSecrets = result.getEncryptionSecrets();
+ assertEquals(S3AEncryptionMethods.DSSE_KMS, encryptionSecrets.getEncryptionMethod());
+ assertEquals(encryptionKey, encryptionSecrets.getEncryptionKey());
+ assertEquals(encryptionContextEncoded, encryptionSecrets.getEncryptionContext());
}
@Test
diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestRequestFactory.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestRequestFactory.java
index f5e91fae2a..9fee2fd63a 100644
--- a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestRequestFactory.java
+++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestRequestFactory.java
@@ -70,7 +70,7 @@ public void testRequestFactoryWithEncryption() throws Throwable {
.withBucket("bucket")
.withEncryptionSecrets(
new EncryptionSecrets(S3AEncryptionMethods.SSE_KMS,
- "kms:key"))
+ "kms:key", ""))
.build();
createFactoryObjects(factory);
}
diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestS3AEncryption.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestS3AEncryption.java
new file mode 100644
index 0000000000..a9d83819fd
--- /dev/null
+++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestS3AEncryption.java
@@ -0,0 +1,77 @@
+/**
+ * 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.hadoop.fs.s3a.impl;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.Map;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.Assert;
+import org.junit.Test;
+
+import org.apache.commons.codec.binary.Base64;
+import org.apache.hadoop.conf.Configuration;
+
+import static org.apache.hadoop.fs.s3a.Constants.S3_ENCRYPTION_CONTEXT;
+
+public class TestS3AEncryption {
+
+ private static final String GLOBAL_CONTEXT = " project=hadoop, jira=HADOOP-19197 ";
+ private static final String BUCKET_CONTEXT = "component=fs/s3";
+
+ @Test
+ public void testGetS3EncryptionContextPerBucket() throws IOException {
+ Configuration configuration = new Configuration(false);
+ configuration.set("fs.s3a.bucket.bucket1.encryption.context", BUCKET_CONTEXT);
+ configuration.set(S3_ENCRYPTION_CONTEXT, GLOBAL_CONTEXT);
+ final String result = S3AEncryption.getS3EncryptionContext("bucket1", configuration);
+ Assert.assertEquals(BUCKET_CONTEXT, result);
+ }
+
+ @Test
+ public void testGetS3EncryptionContextFromGlobal() throws IOException {
+ Configuration configuration = new Configuration(false);
+ configuration.set("fs.s3a.bucket.bucket1.encryption.context", BUCKET_CONTEXT);
+ configuration.set(S3_ENCRYPTION_CONTEXT, GLOBAL_CONTEXT);
+ final String result = S3AEncryption.getS3EncryptionContext("bucket2", configuration);
+ Assert.assertEquals(GLOBAL_CONTEXT.trim(), result);
+ }
+
+ @Test
+ public void testGetS3EncryptionContextNoSet() throws IOException {
+ Configuration configuration = new Configuration(false);
+ final String result = S3AEncryption.getS3EncryptionContext("bucket1", configuration);
+ Assert.assertEquals("", result);
+ }
+
+ @Test
+ public void testGetS3EncryptionContextBase64Encoded() throws IOException {
+ Configuration configuration = new Configuration(false);
+ configuration.set(S3_ENCRYPTION_CONTEXT, GLOBAL_CONTEXT);
+ final String result = S3AEncryption.getS3EncryptionContextBase64Encoded("bucket",
+ configuration, true);
+ final String decoded = new String(Base64.decodeBase64(result), StandardCharsets.UTF_8);
+ final TypeReference