| /** |
| * 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.atlas.security; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.security.alias.CredentialProvider; |
| import org.apache.hadoop.security.alias.CredentialProviderFactory; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| |
| import static org.apache.atlas.security.SecurityProperties.CERT_STORES_CREDENTIAL_PROVIDER_PATH; |
| |
| public class SecurityUtil { |
| |
| public static final Logger LOG = LoggerFactory.getLogger(SecurityUtil.class); |
| |
| /** |
| * Retrieves a password from a configured credential provider or prompts for the password and stores it in the |
| * configured credential provider. |
| * @param config application configuration |
| * @param key the key/alias for the password. |
| * @return the password. |
| * @throws IOException |
| */ |
| public static String getPassword(org.apache.commons.configuration.Configuration config, String key) throws IOException { |
| return getPassword(config, key, CERT_STORES_CREDENTIAL_PROVIDER_PATH); |
| } |
| |
| |
| /** |
| * Retrieves a password from a configured credential provider or prompts for the password and stores it in the |
| * configured credential provider. |
| * |
| * @param config application configuration |
| * @param key the key/alias for the password. |
| * @param pathPropertyName property of path |
| * @return the password. |
| * @throws IOException |
| */ |
| public static String getPassword(org.apache.commons.configuration.Configuration config, String key, String pathPropertyName) throws IOException { |
| |
| String password; |
| |
| String provider = config.getString(pathPropertyName); |
| if (provider != null) { |
| LOG.info("Attempting to retrieve password for key {} from {} configured credential provider path {}", key, pathPropertyName, provider); |
| Configuration c = new Configuration(); |
| c.set(CredentialProviderFactory.CREDENTIAL_PROVIDER_PATH, provider); |
| CredentialProvider credentialProvider = CredentialProviderFactory.getProviders(c).get(0); |
| CredentialProvider.CredentialEntry entry = credentialProvider.getCredentialEntry(key); |
| if (entry == null) { |
| throw new IOException(String.format("No credential entry found for %s. " |
| + "Please create an entry in the configured credential provider", key)); |
| } else { |
| password = String.valueOf(entry.getCredential()); |
| } |
| |
| } else { |
| throw new IOException("No credential provider path " + pathPropertyName + " configured for storage of certificate store passwords"); |
| } |
| |
| return password; |
| } |
| |
| |
| } |