org.apache.hadoop.hbase.security.CryptoAESUnwrapHandler Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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*/
package org.apache.hadoop.hbase.security;
import org.apache.hadoop.hbase.io.crypto.aes.CryptoAES;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf;
import org.apache.hbase.thirdparty.io.netty.buffer.Unpooled;
import org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext;
import org.apache.hbase.thirdparty.io.netty.channel.SimpleChannelInboundHandler;
/**
* Unwrap messages with Crypto AES. Should be placed after a
* io.netty.handler.codec.LengthFieldBasedFrameDecoder
*/
@InterfaceAudience.Private
public class CryptoAESUnwrapHandler extends SimpleChannelInboundHandler {
private final CryptoAES cryptoAES;
public CryptoAESUnwrapHandler(CryptoAES cryptoAES) {
this.cryptoAES = cryptoAES;
}
@Override
protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception {
byte[] bytes = new byte[msg.readableBytes()];
msg.readBytes(bytes);
ctx.fireChannelRead(Unpooled.wrappedBuffer(cryptoAES.unwrap(bytes, 0, bytes.length)));
}
}