| /* |
| * 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.drill.common.logical.security; |
| |
| import com.fasterxml.jackson.annotation.JsonIgnore; |
| import com.fasterxml.jackson.annotation.JsonTypeInfo; |
| import org.apache.drill.common.exceptions.UserException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Map; |
| |
| /** |
| * Provider of authentication credentials. |
| */ |
| @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, |
| property = "credentialsProviderType", |
| defaultImpl = PlainCredentialsProvider.class) |
| public interface CredentialsProvider { |
| Logger logger = LoggerFactory.getLogger(CredentialsProvider.class); |
| /** |
| * Returns map with authentication credentials. Key is the credential name, for example {@code "username"} |
| * and map value is corresponding credential value. |
| */ |
| @JsonIgnore |
| Map<String, String> getCredentials(); |
| |
| /** |
| * This method returns the credentials associated with a specific user. |
| * @param username The logged in username |
| * @return A Map of the logged in user's credentials. |
| */ |
| @JsonIgnore |
| default Map<String, String> getCredentials(String username) { |
| throw UserException.unsupportedError() |
| .message("%s does not support per-user credentials.", getClass()) |
| .build(logger); |
| } |
| |
| @JsonIgnore |
| default void setUserCredentials(String username, String password, String queryUser) { |
| throw UserException.unsupportedError() |
| .message("%s does not support per-user credentials.", getClass()) |
| .build(logger); |
| } |
| } |