package org.jboss.resteasy.security.smime;
import org.bouncycastle.cms.SignerInfoGenerator;
import org.bouncycastle.cms.jcajce.JcaSimpleSignerInfoGeneratorBuilder;
import org.bouncycastle.mail.smime.SMIMESignedGenerator;
import org.jboss.resteasy.core.messagebody.AsyncBufferedMessageBodyWriter;
import org.jboss.resteasy.security.BouncyIntegration;
import org.jboss.resteasy.spi.WriterException;
import javax.mail.internet.MimeMultipart;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.Providers;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
@Provider
@Produces("multipart/signed")
public class MultipartSignedWriter implements AsyncBufferedMessageBodyWriter<SignedOutput>
{
static
{
BouncyIntegration.init();
}
@Context
protected Providers providers;
@Override
public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
{
return SignedOutput.class.isAssignableFrom(type);
}
@Override
public long getSize(SignedOutput smimeOutput, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType)
{
return -1;
}
@Override
public void writeTo(SignedOutput out, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> headers, OutputStream os) throws IOException, WebApplicationException
{
try
{
SMIMESignedGenerator gen = new SMIMESignedGenerator();
SignerInfoGenerator signer = new JcaSimpleSignerInfoGeneratorBuilder().setProvider("BC").build("SHA1WITHRSA", out.getPrivateKey(), out.getCertificate());
gen.addSignerInfoGenerator(signer);
MimeMultipart mp = gen.generate(EnvelopedWriter.createBodyPart(providers, out));
String contentType = mp.getContentType();
contentType = contentType.replace("\r\n", "").replace("\t", " ");
headers.putSingle("Content-Type", contentType);
mp.writeTo(os);
}
catch (Exception e)
{
throw new WriterException(e);
}
}
}