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//========================================================================
//Copyright 2011-2012 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//All rights reserved. This program and the accompanying materials
//are made available under the terms of the Eclipse Public License v1.0
//and Apache License v2.0 which accompanies this distribution.
//The Eclipse Public License is available at
//http://www.eclipse.org/legal/epl-v10.html
//The Apache License v2.0 is available at
//http://www.opensource.org/licenses/apache2.0.php
//You may elect to redistribute this code under either of these licenses.
//========================================================================
package org.eclipse.jetty.spdy.generator;
import java.nio.ByteBuffer;
import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jetty.spdy.ByteBufferPool;
import org.eclipse.jetty.spdy.SessionException;
import org.eclipse.jetty.spdy.api.SessionStatus;
import org.eclipse.jetty.spdy.frames.ControlFrame;
import org.eclipse.jetty.spdy.frames.CredentialFrame;
public class CredentialGenerator extends ControlFrameGenerator
{
public CredentialGenerator(ByteBufferPool bufferPool)
{
super(bufferPool);
}
@Override
public ByteBuffer generate(ControlFrame frame)
{
CredentialFrame credential = (CredentialFrame)frame;
byte[] proof = credential.getProof();
List<byte[]> certificates = serializeCertificates(credential.getCertificateChain());
int certificatesLength = 0;
for (byte[] certificate : certificates)
certificatesLength += certificate.length;
int frameBodyLength = 2 + 4 + proof.length + certificates.size() * 4 + certificatesLength;
int totalLength = ControlFrame.HEADER_LENGTH + frameBodyLength;
ByteBuffer buffer = getByteBufferPool().acquire(totalLength, true);
generateControlFrameHeader(credential, frameBodyLength, buffer);
buffer.putShort(credential.getSlot());
buffer.putInt(proof.length);
buffer.put(proof);
for (byte[] certificate : certificates)
{
buffer.putInt(certificate.length);
buffer.put(certificate);
}
buffer.flip();
return buffer;
}
private List<byte[]> serializeCertificates(Certificate[] certificates)
{
try
{
List<byte[]> result = new ArrayList<>(certificates.length);
for (Certificate certificate : certificates)
result.add(certificate.getEncoded());
return result;
}
catch (CertificateEncodingException x)
{
throw new SessionException(SessionStatus.PROTOCOL_ERROR, x);
}
}
}
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