| /** |
| * 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.crypto.key.kms.server; |
| |
| import org.apache.commons.codec.binary.Base64; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.crypto.key.KeyProvider; |
| import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.EncryptedKeyVersion; |
| import org.apache.hadoop.crypto.key.kms.KMSRESTConstants; |
| |
| import java.util.ArrayList; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * JSON utility methods for the KMS. |
| */ |
| @InterfaceAudience.Private |
| public class KMSServerJSONUtils { |
| @SuppressWarnings("unchecked") |
| public static Map toJSON(KeyProvider.KeyVersion keyVersion) { |
| Map json = new LinkedHashMap(); |
| if (keyVersion != null) { |
| json.put(KMSRESTConstants.NAME_FIELD, |
| keyVersion.getName()); |
| json.put(KMSRESTConstants.VERSION_NAME_FIELD, |
| keyVersion.getVersionName()); |
| json.put(KMSRESTConstants.MATERIAL_FIELD, |
| Base64.encodeBase64URLSafeString( |
| keyVersion.getMaterial())); |
| } |
| return json; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static List toJSON(List<KeyProvider.KeyVersion> keyVersions) { |
| List json = new ArrayList(); |
| if (keyVersions != null) { |
| for (KeyProvider.KeyVersion version : keyVersions) { |
| json.add(toJSON(version)); |
| } |
| } |
| return json; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static Map toJSON(EncryptedKeyVersion encryptedKeyVersion) { |
| Map json = new LinkedHashMap(); |
| if (encryptedKeyVersion != null) { |
| json.put(KMSRESTConstants.VERSION_NAME_FIELD, |
| encryptedKeyVersion.getEncryptionKeyVersionName()); |
| json.put(KMSRESTConstants.IV_FIELD, |
| Base64.encodeBase64URLSafeString( |
| encryptedKeyVersion.getEncryptedKeyIv())); |
| json.put(KMSRESTConstants.ENCRYPTED_KEY_VERSION_FIELD, |
| toJSON(encryptedKeyVersion.getEncryptedKeyVersion())); |
| } |
| return json; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static Map toJSON(String keyName, KeyProvider.Metadata meta) { |
| Map json = new LinkedHashMap(); |
| if (meta != null) { |
| json.put(KMSRESTConstants.NAME_FIELD, keyName); |
| json.put(KMSRESTConstants.CIPHER_FIELD, meta.getCipher()); |
| json.put(KMSRESTConstants.LENGTH_FIELD, meta.getBitLength()); |
| json.put(KMSRESTConstants.DESCRIPTION_FIELD, meta.getDescription()); |
| json.put(KMSRESTConstants.ATTRIBUTES_FIELD, meta.getAttributes()); |
| json.put(KMSRESTConstants.CREATED_FIELD, |
| meta.getCreated().getTime()); |
| json.put(KMSRESTConstants.VERSIONS_FIELD, |
| (long) meta.getVersions()); |
| } |
| return json; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static List toJSON(String[] keyNames, KeyProvider.Metadata[] metas) { |
| List json = new ArrayList(); |
| for (int i = 0; i < keyNames.length; i++) { |
| json.add(toJSON(keyNames[i], metas[i])); |
| } |
| return json; |
| } |
| } |