| /* |
| * Copyright 2012-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"). |
| * You may not use this file except in compliance with the License. |
| * A copy of the License is located at |
| * |
| * http://aws.amazon.com/apache2.0 |
| * |
| * or in the "license" file accompanying this file. This file 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 com.amazonaws.auth; |
| |
| import static com.amazonaws.SDKGlobalConfiguration.ACCESS_KEY_SYSTEM_PROPERTY; |
| import static com.amazonaws.SDKGlobalConfiguration.SECRET_KEY_SYSTEM_PROPERTY; |
| import static com.amazonaws.SDKGlobalConfiguration.SESSION_TOKEN_SYSTEM_PROPERTY; |
| |
| import com.amazonaws.SdkClientException; |
| import com.amazonaws.util.StringUtils; |
| |
| /** |
| * {@link AWSCredentialsProvider} implementation that provides credentials by |
| * looking at the <code>aws.accessKeyId</code> and <code>aws.secretKey</code> |
| * Java system properties. |
| */ |
| public class SystemPropertiesCredentialsProvider implements AWSCredentialsProvider { |
| |
| @Override |
| public AWSCredentials getCredentials() { |
| String accessKey = StringUtils.trim(System.getProperty(ACCESS_KEY_SYSTEM_PROPERTY)); |
| String secretKey = StringUtils.trim(System.getProperty(SECRET_KEY_SYSTEM_PROPERTY)); |
| String sessionToken = StringUtils.trim(System.getProperty(SESSION_TOKEN_SYSTEM_PROPERTY)); |
| |
| if (StringUtils.isNullOrEmpty(accessKey) || StringUtils.isNullOrEmpty(secretKey)) { |
| throw new SdkClientException( |
| "Unable to load AWS credentials from Java system " |
| + "properties (" + ACCESS_KEY_SYSTEM_PROPERTY + " and " |
| + SECRET_KEY_SYSTEM_PROPERTY + ")"); |
| } |
| if (StringUtils.isNullOrEmpty(sessionToken)) { |
| return new BasicAWSCredentials(accessKey, secretKey); |
| } else { |
| return new BasicSessionCredentials(accessKey, secretKey, sessionToken); |
| } |
| } |
| |
| @Override |
| public void refresh() { |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName(); |
| } |
| } |