| /* |
| * 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.vault.hashicorp; |
| |
| import java.util.Optional; |
| |
| /** |
| * A service to handle all communication with an instance of HashiCorp Vault. |
| * @see <a href="https://www.vaultproject.io/">https://www.vaultproject.io/</a> |
| */ |
| public interface HashiCorpVaultCommunicationService { |
| |
| /** |
| * Encrypts the given plaintext using Vault's Transit Secrets Engine. |
| * |
| * @see <a href="https://www.vaultproject.io/api-docs/secret/transit">https://www.vaultproject.io/api-docs/secret/transit</a> |
| * @param transitPath The Vault path to use for the configured Transit Secrets Engine |
| * @param plainText The plaintext to encrypt |
| * @return The cipher text |
| */ |
| String encrypt(String transitPath, byte[] plainText); |
| |
| /** |
| * Decrypts the given cipher text using Vault's Transit Secrets Engine. |
| * |
| * @see <a href="https://www.vaultproject.io/api-docs/secret/transit">https://www.vaultproject.io/api-docs/secret/transit</a> |
| * @param transitPath The Vault path to use for the configured Transit Secrets Engine |
| * @param cipherText The cipher text to decrypt |
| * @return The decrypted plaintext |
| */ |
| byte[] decrypt(String transitPath, String cipherText); |
| |
| /** |
| * Writes a secret using Vault's unversioned Key/Value Secrets Engine. |
| * |
| * @see <a href="https://www.vaultproject.io/api-docs/secret/kv/kv-v1">https://www.vaultproject.io/api-docs/secret/kv/kv-v1</a> |
| * @param keyValuePath The Vault path to use for the configured Key/Value v1 Secrets Engine |
| * @param key The secret key |
| * @param value The secret value |
| */ |
| void writeKeyValueSecret(String keyValuePath, String key, String value); |
| |
| /** |
| * Reads a secret from Vault's unversioned Key/Value Secrets Engine. |
| * |
| * @see <a href="https://www.vaultproject.io/api-docs/secret/kv/kv-v1">https://www.vaultproject.io/api-docs/secret/kv/kv-v1</a> |
| * @param keyValuePath The Vault path to use for the configured Key/Value v1 Secrets Engine |
| * @param key The secret key |
| * @return The secret value, or empty if not found |
| */ |
| Optional<String> readKeyValueSecret(String keyValuePath, String key); |
| } |