
org.elasticsearch.common.settings.SecureSettings Maven / Gradle / Ivy
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.common.settings;
import org.elasticsearch.common.io.stream.Writeable;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.security.GeneralSecurityException;
import java.util.Set;
/**
* An accessor for settings which are securely stored. See {@link SecureSetting}.
*/
public interface SecureSettings extends Closeable, Writeable {
/** Returns true iff the settings are loaded and retrievable. */
boolean isLoaded();
/** Returns the names of all secure settings available. */
Set getSettingNames();
/** Return a string setting. The {@link SecureString} should be closed once it is used. */
SecureString getString(String setting);
/** Return a file setting. The {@link InputStream} should be closed once it is used. */
InputStream getFile(String setting) throws GeneralSecurityException;
byte[] getSHA256Digest(String setting) throws GeneralSecurityException;
@Override
void close() throws IOException;
}
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