gschaer commented on a change in pull request #5078: URL: https://github.com/apache/nifi/pull/5078#discussion_r659369524
########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/utils/AzureBlobClientSideEncryptionUtils.java ########## @@ -0,0 +1,116 @@ +/* + * 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.nifi.processors.azure.storage.utils; + +import com.google.common.base.Strings; +import com.microsoft.azure.keyvault.cryptography.SymmetricKey; +import org.apache.commons.codec.DecoderException; +import org.apache.commons.codec.binary.Hex; +import org.apache.nifi.components.AllowableValue; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.ValidationContext; +import org.apache.nifi.components.ValidationResult; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.processor.util.StandardValidators; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +public class AzureBlobClientSideEncryptionUtils { + public static final PropertyDescriptor CSE_KEY_TYPE = new PropertyDescriptor.Builder() + .name("cse-key-type") + .displayName("Client-Side Encryption key type") + .required(true) + .allowableValues(buildCseEncryptionMethodAllowableValues()) + .defaultValue(AzureBlobClientSideEncryptionMethod.NONE.name()) + .description("Specifies the key type to use for client-side encryption.") + .build(); + + public static final PropertyDescriptor CSE_KEY_ID = new PropertyDescriptor.Builder() + .name("cse-key-id") + .displayName("Client-Side Encryption key ID") + .description("Specifies the ID of the key to use for client-side encryption.") + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(false) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .build(); + + public static final PropertyDescriptor CSE_SYMMETRIC_KEY_HEX = new PropertyDescriptor.Builder() + .name("cse-symmetric-key-hex") + .displayName("Symmetric Key (hexadecimal)") Review comment: Fixed in b15cfdc ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/test/java/org/apache/nifi/processors/azure/storage/ITListAzureBlobStorage.java ########## @@ -20,11 +20,18 @@ import org.apache.nifi.util.MockFlowFile; import org.junit.Before; import org.junit.Test; - +// import org.junit.runner.RunWith; +// import org.junit.runners.Parameterized; import java.util.concurrent.TimeUnit; +// @RunWith(Parameterized.class) public class ITListAzureBlobStorage extends AbstractAzureBlobStorageIT { + /* @Parameterized.Parameters + public static Object[][] data() { + return new Object[10][0]; + }*/ + Review comment: Fixed in b15cfdc ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/FetchAzureBlobStorage.java ########## @@ -112,11 +139,20 @@ public void onTrigger(ProcessContext context, ProcessSession session) throws Pro final Map<String, String> attributes = new HashMap<>(); final CloudBlob blob = container.getBlockBlobReference(blobPath); + BlobRequestOptions blobRequestOptions = new BlobRequestOptions(); + + if (cseKeyType == AzureBlobClientSideEncryptionMethod.SYMMETRIC) { + byte[] keyBytes = Hex.decodeHex(cseSymmetricKeyHex.toCharArray()); + SymmetricKey key = new SymmetricKey(cseKeyId, keyBytes); + BlobEncryptionPolicy policy = new BlobEncryptionPolicy(key, null); + blobRequestOptions.setEncryptionPolicy(policy); + } Review comment: Fixed in b15cfdc ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/utils/AzureBlobClientSideEncryptionMethod.java ########## @@ -0,0 +1,48 @@ +/* + * 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.nifi.processors.azure.storage.utils; + +/** + * Enumeration capturing essential information about the various client-side + * encryption methods supported by Azure + */ +public enum AzureBlobClientSideEncryptionMethod { + + NONE("None", "The blobs sent to Azure is not encrypted."), + SYMMETRIC("Symmetric","The blobs sent to Azure are encrypted using a symmetric algorithm."); Review comment: Fixed in b15cfdc ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/utils/AzureBlobClientSideEncryptionUtils.java ########## @@ -0,0 +1,116 @@ +/* + * 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.nifi.processors.azure.storage.utils; + +import com.google.common.base.Strings; +import com.microsoft.azure.keyvault.cryptography.SymmetricKey; +import org.apache.commons.codec.DecoderException; +import org.apache.commons.codec.binary.Hex; +import org.apache.nifi.components.AllowableValue; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.ValidationContext; +import org.apache.nifi.components.ValidationResult; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.processor.util.StandardValidators; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +public class AzureBlobClientSideEncryptionUtils { + public static final PropertyDescriptor CSE_KEY_TYPE = new PropertyDescriptor.Builder() + .name("cse-key-type") + .displayName("Client-Side Encryption key type") Review comment: Fixed in b15cfdc ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/utils/AzureBlobClientSideEncryptionUtils.java ########## @@ -0,0 +1,116 @@ +/* + * 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.nifi.processors.azure.storage.utils; + +import com.google.common.base.Strings; +import com.microsoft.azure.keyvault.cryptography.SymmetricKey; +import org.apache.commons.codec.DecoderException; +import org.apache.commons.codec.binary.Hex; +import org.apache.nifi.components.AllowableValue; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.ValidationContext; +import org.apache.nifi.components.ValidationResult; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.processor.util.StandardValidators; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +public class AzureBlobClientSideEncryptionUtils { + public static final PropertyDescriptor CSE_KEY_TYPE = new PropertyDescriptor.Builder() + .name("cse-key-type") + .displayName("Client-Side Encryption key type") + .required(true) + .allowableValues(buildCseEncryptionMethodAllowableValues()) + .defaultValue(AzureBlobClientSideEncryptionMethod.NONE.name()) + .description("Specifies the key type to use for client-side encryption.") + .build(); + + public static final PropertyDescriptor CSE_KEY_ID = new PropertyDescriptor.Builder() + .name("cse-key-id") + .displayName("Client-Side Encryption key ID") Review comment: Fixed in b15cfdc ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/utils/AzureBlobClientSideEncryptionUtils.java ########## @@ -0,0 +1,116 @@ +/* + * 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.nifi.processors.azure.storage.utils; + +import com.google.common.base.Strings; +import com.microsoft.azure.keyvault.cryptography.SymmetricKey; +import org.apache.commons.codec.DecoderException; +import org.apache.commons.codec.binary.Hex; +import org.apache.nifi.components.AllowableValue; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.ValidationContext; +import org.apache.nifi.components.ValidationResult; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.processor.util.StandardValidators; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +public class AzureBlobClientSideEncryptionUtils { + public static final PropertyDescriptor CSE_KEY_TYPE = new PropertyDescriptor.Builder() + .name("cse-key-type") + .displayName("Client-Side Encryption key type") + .required(true) + .allowableValues(buildCseEncryptionMethodAllowableValues()) + .defaultValue(AzureBlobClientSideEncryptionMethod.NONE.name()) + .description("Specifies the key type to use for client-side encryption.") + .build(); + + public static final PropertyDescriptor CSE_KEY_ID = new PropertyDescriptor.Builder() + .name("cse-key-id") + .displayName("Client-Side Encryption key ID") + .description("Specifies the ID of the key to use for client-side encryption.") + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(false) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .build(); + + public static final PropertyDescriptor CSE_SYMMETRIC_KEY_HEX = new PropertyDescriptor.Builder() + .name("cse-symmetric-key-hex") + .displayName("Symmetric Key (hexadecimal)") + .description("When using symmetric client-side encryption, this is the raw key, encoded in hexadecimal") + .required(false) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) Review comment: Fixed in b15cfdc ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/utils/AzureBlobClientSideEncryptionUtils.java ########## @@ -0,0 +1,116 @@ +/* + * 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.nifi.processors.azure.storage.utils; + +import com.google.common.base.Strings; +import com.microsoft.azure.keyvault.cryptography.SymmetricKey; +import org.apache.commons.codec.DecoderException; +import org.apache.commons.codec.binary.Hex; +import org.apache.nifi.components.AllowableValue; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.ValidationContext; +import org.apache.nifi.components.ValidationResult; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.processor.util.StandardValidators; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +public class AzureBlobClientSideEncryptionUtils { + public static final PropertyDescriptor CSE_KEY_TYPE = new PropertyDescriptor.Builder() + .name("cse-key-type") + .displayName("Client-Side Encryption key type") + .required(true) + .allowableValues(buildCseEncryptionMethodAllowableValues()) + .defaultValue(AzureBlobClientSideEncryptionMethod.NONE.name()) + .description("Specifies the key type to use for client-side encryption.") + .build(); + + public static final PropertyDescriptor CSE_KEY_ID = new PropertyDescriptor.Builder() + .name("cse-key-id") + .displayName("Client-Side Encryption key ID") + .description("Specifies the ID of the key to use for client-side encryption.") + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(false) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .build(); + + public static final PropertyDescriptor CSE_SYMMETRIC_KEY_HEX = new PropertyDescriptor.Builder() + .name("cse-symmetric-key-hex") + .displayName("Symmetric Key (hexadecimal)") + .description("When using symmetric client-side encryption, this is the raw key, encoded in hexadecimal") + .required(false) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .sensitive(true) + .build(); + + private static AllowableValue[] buildCseEncryptionMethodAllowableValues() { + final AzureBlobClientSideEncryptionMethod[] encryptionMethods = AzureBlobClientSideEncryptionMethod.values(); + List<AllowableValue> allowableValues = new ArrayList<>(encryptionMethods.length); + for (AzureBlobClientSideEncryptionMethod em : encryptionMethods) { + allowableValues.add(new AllowableValue(em.name(), em.name(), em.toString())); + } + + return allowableValues.toArray(new AllowableValue[0]); + } + + public static Collection<ValidationResult> validateClientSideEncryptionProperties(ValidationContext validationContext) { + final List<ValidationResult> validationResults = new ArrayList<>(); + + final String cseKeyTypeValue = validationContext.getProperty(CSE_KEY_TYPE).getValue(); + final AzureBlobClientSideEncryptionMethod cseKeyType = AzureBlobClientSideEncryptionMethod.valueOf(cseKeyTypeValue); + + final String cseKeyId = validationContext.getProperty(CSE_KEY_ID).getValue(); + + final String cseSymmetricKeyHex = validationContext.getProperty(CSE_SYMMETRIC_KEY_HEX).getValue(); + + if (cseKeyType != AzureBlobClientSideEncryptionMethod.NONE && Strings.isNullOrEmpty(cseKeyId)) { Review comment: Fixed in b15cfdc ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/utils/AzureBlobClientSideEncryptionUtils.java ########## @@ -0,0 +1,116 @@ +/* + * 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.nifi.processors.azure.storage.utils; + +import com.google.common.base.Strings; +import com.microsoft.azure.keyvault.cryptography.SymmetricKey; +import org.apache.commons.codec.DecoderException; +import org.apache.commons.codec.binary.Hex; +import org.apache.nifi.components.AllowableValue; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.ValidationContext; +import org.apache.nifi.components.ValidationResult; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.processor.util.StandardValidators; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +public class AzureBlobClientSideEncryptionUtils { + public static final PropertyDescriptor CSE_KEY_TYPE = new PropertyDescriptor.Builder() + .name("cse-key-type") + .displayName("Client-Side Encryption key type") + .required(true) + .allowableValues(buildCseEncryptionMethodAllowableValues()) + .defaultValue(AzureBlobClientSideEncryptionMethod.NONE.name()) + .description("Specifies the key type to use for client-side encryption.") + .build(); + + public static final PropertyDescriptor CSE_KEY_ID = new PropertyDescriptor.Builder() + .name("cse-key-id") + .displayName("Client-Side Encryption key ID") + .description("Specifies the ID of the key to use for client-side encryption.") + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(false) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .build(); + + public static final PropertyDescriptor CSE_SYMMETRIC_KEY_HEX = new PropertyDescriptor.Builder() + .name("cse-symmetric-key-hex") + .displayName("Symmetric Key (hexadecimal)") + .description("When using symmetric client-side encryption, this is the raw key, encoded in hexadecimal") + .required(false) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .sensitive(true) + .build(); + + private static AllowableValue[] buildCseEncryptionMethodAllowableValues() { + final AzureBlobClientSideEncryptionMethod[] encryptionMethods = AzureBlobClientSideEncryptionMethod.values(); + List<AllowableValue> allowableValues = new ArrayList<>(encryptionMethods.length); + for (AzureBlobClientSideEncryptionMethod em : encryptionMethods) { + allowableValues.add(new AllowableValue(em.name(), em.name(), em.toString())); + } + + return allowableValues.toArray(new AllowableValue[0]); + } + + public static Collection<ValidationResult> validateClientSideEncryptionProperties(ValidationContext validationContext) { + final List<ValidationResult> validationResults = new ArrayList<>(); + + final String cseKeyTypeValue = validationContext.getProperty(CSE_KEY_TYPE).getValue(); + final AzureBlobClientSideEncryptionMethod cseKeyType = AzureBlobClientSideEncryptionMethod.valueOf(cseKeyTypeValue); + + final String cseKeyId = validationContext.getProperty(CSE_KEY_ID).getValue(); + + final String cseSymmetricKeyHex = validationContext.getProperty(CSE_SYMMETRIC_KEY_HEX).getValue(); + + if (cseKeyType != AzureBlobClientSideEncryptionMethod.NONE && Strings.isNullOrEmpty(cseKeyId)) { + validationResults.add(new ValidationResult.Builder().subject(CSE_KEY_ID.getDisplayName()) + .explanation("a key ID must be set when client-side encryption is enabled.").build()); + } + + if (cseKeyType == AzureBlobClientSideEncryptionMethod.SYMMETRIC) { + validationResults.addAll(validateSymmetricKey(cseSymmetricKeyHex)); + } + + return validationResults; + } + + private static List<ValidationResult> validateSymmetricKey(String keyHex) { + List<ValidationResult> validationResults = new ArrayList<>(); + if (Strings.isNullOrEmpty(keyHex)) { Review comment: Fixed in b15cfdc ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/utils/AzureBlobClientSideEncryptionUtils.java ########## @@ -0,0 +1,116 @@ +/* + * 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.nifi.processors.azure.storage.utils; + +import com.google.common.base.Strings; +import com.microsoft.azure.keyvault.cryptography.SymmetricKey; +import org.apache.commons.codec.DecoderException; +import org.apache.commons.codec.binary.Hex; +import org.apache.nifi.components.AllowableValue; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.ValidationContext; +import org.apache.nifi.components.ValidationResult; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.processor.util.StandardValidators; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +public class AzureBlobClientSideEncryptionUtils { + public static final PropertyDescriptor CSE_KEY_TYPE = new PropertyDescriptor.Builder() + .name("cse-key-type") + .displayName("Client-Side Encryption key type") + .required(true) + .allowableValues(buildCseEncryptionMethodAllowableValues()) + .defaultValue(AzureBlobClientSideEncryptionMethod.NONE.name()) + .description("Specifies the key type to use for client-side encryption.") + .build(); + + public static final PropertyDescriptor CSE_KEY_ID = new PropertyDescriptor.Builder() + .name("cse-key-id") + .displayName("Client-Side Encryption key ID") + .description("Specifies the ID of the key to use for client-side encryption.") + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(false) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .build(); + + public static final PropertyDescriptor CSE_SYMMETRIC_KEY_HEX = new PropertyDescriptor.Builder() + .name("cse-symmetric-key-hex") + .displayName("Symmetric Key (hexadecimal)") + .description("When using symmetric client-side encryption, this is the raw key, encoded in hexadecimal") + .required(false) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .sensitive(true) + .build(); + + private static AllowableValue[] buildCseEncryptionMethodAllowableValues() { + final AzureBlobClientSideEncryptionMethod[] encryptionMethods = AzureBlobClientSideEncryptionMethod.values(); + List<AllowableValue> allowableValues = new ArrayList<>(encryptionMethods.length); + for (AzureBlobClientSideEncryptionMethod em : encryptionMethods) { + allowableValues.add(new AllowableValue(em.name(), em.name(), em.toString())); + } + + return allowableValues.toArray(new AllowableValue[0]); + } + + public static Collection<ValidationResult> validateClientSideEncryptionProperties(ValidationContext validationContext) { + final List<ValidationResult> validationResults = new ArrayList<>(); + + final String cseKeyTypeValue = validationContext.getProperty(CSE_KEY_TYPE).getValue(); + final AzureBlobClientSideEncryptionMethod cseKeyType = AzureBlobClientSideEncryptionMethod.valueOf(cseKeyTypeValue); + + final String cseKeyId = validationContext.getProperty(CSE_KEY_ID).getValue(); + + final String cseSymmetricKeyHex = validationContext.getProperty(CSE_SYMMETRIC_KEY_HEX).getValue(); + + if (cseKeyType != AzureBlobClientSideEncryptionMethod.NONE && Strings.isNullOrEmpty(cseKeyId)) { + validationResults.add(new ValidationResult.Builder().subject(CSE_KEY_ID.getDisplayName()) + .explanation("a key ID must be set when client-side encryption is enabled.").build()); + } + + if (cseKeyType == AzureBlobClientSideEncryptionMethod.SYMMETRIC) { + validationResults.addAll(validateSymmetricKey(cseSymmetricKeyHex)); + } + + return validationResults; + } + + private static List<ValidationResult> validateSymmetricKey(String keyHex) { + List<ValidationResult> validationResults = new ArrayList<>(); Review comment: Fixed in b15cfdc -- This is an automated message from the Apache Git Service. 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