001/* 002 * (C) Copyright 2018 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Florent Guillaume 018 */ 019package org.nuxeo.runtime.aws; 020 021import org.nuxeo.runtime.api.Framework; 022 023import com.amazonaws.auth.AWSCredentials; 024import com.amazonaws.auth.AWSCredentialsProvider; 025import com.amazonaws.auth.DefaultAWSCredentialsProviderChain; 026 027/** 028 * AWS Credentials Provider that uses Nuxeo configuration, or uses the default AWS chain as a fallback. 029 * 030 * @since 10.3 031 */ 032public class NuxeoAWSCredentialsProvider implements AWSCredentialsProvider { 033 034 protected static final AWSCredentialsProvider INSTANCE = new NuxeoAWSCredentialsProvider(); 035 036 protected static final AWSCredentialsProvider DEFAULT = new DefaultAWSCredentialsProviderChain(); 037 038 public static AWSCredentialsProvider getInstance() { 039 return INSTANCE; 040 } 041 042 @Override 043 public AWSCredentials getCredentials() { 044 AWSConfigurationService service = Framework.getService(AWSConfigurationService.class); 045 if (service != null) { 046 AWSCredentials credentials = service.getAWSCredentials(); 047 if (credentials != null) { 048 return credentials; 049 } 050 } 051 return DEFAULT.getCredentials(); 052 } 053 054 @Override 055 public void refresh() { 056 DEFAULT.refresh(); 057 } 058 059}