| /** |
| * 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.fs.s3a; |
| |
| import com.amazonaws.auth.AWSCredentialsProvider; |
| import com.amazonaws.auth.AnonymousAWSCredentials; |
| import com.amazonaws.auth.AWSCredentials; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** |
| * AnonymousAWSCredentialsProvider supports anonymous access to AWS services |
| * through the AWS SDK. AWS requests will not be signed. This is not suitable |
| * for most cases, because allowing anonymous access to an S3 bucket compromises |
| * security. This can be useful for accessing public data sets without |
| * requiring AWS credentials. |
| * |
| * Please note that users may reference this class name from configuration |
| * property fs.s3a.aws.credentials.provider. Therefore, changing the class name |
| * would be a backward-incompatible change. |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Stable |
| public class AnonymousAWSCredentialsProvider implements AWSCredentialsProvider { |
| |
| public static final String NAME |
| = "org.apache.hadoop.fs.s3a.AnonymousAWSCredentialsProvider"; |
| |
| public AWSCredentials getCredentials() { |
| return new AnonymousAWSCredentials(); |
| } |
| |
| public void refresh() {} |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName(); |
| } |
| |
| } |