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SystemPropertiesCredentialsProvider.java
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SystemPropertiesCredentialsProvider.java
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/*
* Copyright 2012-2024 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 {
private static final String PROVIDER_NAME = "SystemPropertyCredentialsProvider";
@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, null, PROVIDER_NAME);
} else {
return new BasicSessionCredentials(accessKey, secretKey, sessionToken, null, PROVIDER_NAME);
}
}
@Override
public void refresh() {
}
@Override
public String toString() {
return getClass().getSimpleName();
}
}