protected void decompress(@Nonnull final IMessage aMsg) throws DispositionException {
try {
if (aMsg.getPartnership().isDisableDecompress()) {
s_aLogger.info(
"Message claims to be compressed but decompression is disabled"
+ aMsg.getLoggingText());
} else {
if (s_aLogger.isDebugEnabled()) s_aLogger.debug("Decompressing a compressed AS2 message");
final SMIMECompressed aCompressed = new SMIMECompressed(aMsg.getData());
// decompression step MimeBodyPart
final MimeBodyPart aDecompressedPart =
SMIMEUtil.toMimeBodyPart(aCompressed.getContent(new ZlibExpanderProvider()));
// Update the message object
aMsg.setData(aDecompressedPart);
// Remember that message was decompressed
aMsg.setAttribute(AS2Message.ATTRIBUTE_RECEIVED_COMPRESSED, Boolean.TRUE.toString());
s_aLogger.info("Successfully decompressed incoming AS2 message" + aMsg.getLoggingText());
}
} catch (final Exception ex) {
s_aLogger.error("Error decompressing received message", ex);
throw new DispositionException(
DispositionType.createError("unexpected-processing-error"),
AbstractActiveNetModule.DISP_DECOMPRESSION_ERROR,
ex);
}
}
public void testBasic() throws Exception {
SMIMECompressedGenerator cgen = new SMIMECompressedGenerator();
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
MimeBodyPart cbp = cgen.generate(msg, new ZlibCompressor());
SMIMECompressed sc = new SMIMECompressed(cbp);
msg.writeTo(bOut);
assertTrue(Arrays.areEqual(bOut.toByteArray(), sc.getContent(new ZlibExpanderProvider())));
}
/*
* test compressing and uncompressing of a multipart-signed message.
*/
public void testCompressedSHA1WithRSA() throws Exception {
List certList = new ArrayList();
certList.add(origCert);
certList.add(signCert);
Store certs = new JcaCertStore(certList);
ASN1EncodableVector signedAttrs = new ASN1EncodableVector();
SMIMECapabilityVector caps = new SMIMECapabilityVector();
caps.addCapability(SMIMECapability.dES_EDE3_CBC);
caps.addCapability(SMIMECapability.rC2_CBC, 128);
caps.addCapability(SMIMECapability.dES_CBC);
signedAttrs.add(new SMIMECapabilitiesAttribute(caps));
SMIMESignedGenerator gen = new SMIMESignedGenerator();
gen.addSignerInfoGenerator(
new JcaSimpleSignerInfoGeneratorBuilder()
.setProvider("BC")
.setSignedAttributeGenerator(new AttributeTable(signedAttrs))
.build("SHA1withRSA", origKP.getPrivate(), origCert));
gen.addCertificates(certs);
MimeMultipart smp = gen.generate(msg);
MimeMessage bp2 = new MimeMessage((Session) null);
bp2.setContent(smp);
bp2.saveChanges();
SMIMECompressedGenerator cgen = new SMIMECompressedGenerator();
MimeBodyPart cbp = cgen.generate(bp2, new ZlibCompressor());
SMIMECompressed cm = new SMIMECompressed(cbp);
MimeMultipart mm =
(MimeMultipart)
SMIMEUtil.toMimeBodyPart(cm.getContent(new ZlibExpanderProvider())).getContent();
SMIMESigned s = new SMIMESigned(mm);
ByteArrayOutputStream _baos = new ByteArrayOutputStream();
msg.writeTo(_baos);
_baos.close();
byte[] _msgBytes = _baos.toByteArray();
_baos = new ByteArrayOutputStream();
s.getContent().writeTo(_baos);
_baos.close();
byte[] _resBytes = _baos.toByteArray();
assertEquals(true, Arrays.areEqual(_msgBytes, _resBytes));
certs = s.getCertificates();
SignerInformationStore signers = s.getSignerInfos();
Collection c = signers.getSigners();
Iterator it = c.iterator();
while (it.hasNext()) {
SignerInformation signer = (SignerInformation) it.next();
Collection certCollection = certs.getMatches(signer.getSID());
Iterator certIt = certCollection.iterator();
X509CertificateHolder cert = (X509CertificateHolder) certIt.next();
assertEquals(
true,
signer.verify(new JcaSimpleSignerInfoVerifierBuilder().setProvider("BC").build(cert)));
}
}
