com.ibm.cloud.objectstorage.auth.PropertiesFileCredentialsProvider Maven / Gradle / Ivy
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/*
* Copyright 2010-2017 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.ibm.cloud.objectstorage.auth;
import com.ibm.cloud.objectstorage.SdkClientException;
import com.ibm.cloud.objectstorage.oauth.DefaultTokenManager;
import com.ibm.cloud.objectstorage.oauth.TokenManager;
import java.io.File;
import java.io.IOException;
/**
* {@link AWSCredentialsProvider} implementation that loads AWS security
* credentials from a properties file provided on initialization.
*
* The AWS access key ID is expected to be in the accessKey
* property and the AWS secret key is expected to be in the
* secretKey property.
*/
public class PropertiesFileCredentialsProvider implements
AWSCredentialsProvider {
private final String credentialsFilePath;
private TokenManager tokenManager = null;
/**
* Creates a new PropertiesFileCredentialsProvider that will attempt to load
* a custom file from the path specified to read AWS security credentials.
*
* @param credentialsFilePath
* The custom classpath resource path to a properties file from
* which the AWS security credentials should be loaded.
*
* For example,
*
* - /etc/somewhere/credentials.properties
*
*/
public PropertiesFileCredentialsProvider(String credentialsFilePath) {
if (credentialsFilePath == null)
throw new IllegalArgumentException(
"Credentials file path cannot be null");
this.credentialsFilePath = credentialsFilePath;
}
public AWSCredentials getCredentials() {
try {
PropertiesCredentials credentials = new PropertiesCredentials(new File(this.credentialsFilePath));
if(credentials.getApiKey() != null && tokenManager == null){
tokenManager = new DefaultTokenManager(credentials.getApiKey());
}
credentials.setTokenManager(tokenManager);
return credentials;
} catch (IOException e) {
throw new SdkClientException(
"Unable to load AWS credentials from the "
+ credentialsFilePath + " file", e);
}
}
public void refresh() {
}
@Override
public String toString() {
return getClass().getSimpleName() + "(" + credentialsFilePath + ")";
}
}