org.graylog.plugins.pipelineprocessor.functions.encoding.Base64Decode Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog.plugins.pipelineprocessor.functions.encoding;
import com.google.common.io.BaseEncoding;
import java.nio.charset.StandardCharsets;
public class Base64Decode extends BaseEncodingSingleArgStringFunction {
public static final String NAME = "base64_decode";
private static final String ENCODING_NAME = "base64";
@Override
protected String getEncodedValue(String value, boolean omitPadding) {
BaseEncoding encoding = BaseEncoding.base64();
encoding = omitPadding ? encoding.omitPadding() : encoding;
return new String(encoding.decode(value), StandardCharsets.UTF_8);
}
@Override
protected String getEncodingName() {
return ENCODING_NAME;
}
@Override
protected String getName() {
return NAME;
}
}