Examples with MimeEntity org.nhindirect.stagent.mail.MimeEntity used on opensource projects

Example 1 with MimeEntity

use of org.nhindirect.stagent.mail.MimeEntity in project nhin-d by DirectProject.

the class SMIMECryptographerImpl method decrypt.

/**
     * Decrypts an entity with the provided certificates' private key.
     * @param encryptedEntity The entity that will be decrypted.
     * @param decryptingCertificate The certificates whose private keys will be used to decrypt the message.
     * @return A MimeEntity containing the decrypted part.
     */
public MimeEntity decrypt(MimeEntity encryptedEntity, Collection<X509CertificateEx> decryptingCertificates) {
    if (decryptingCertificates == null || decryptingCertificates.size() == 0) {
        throw new IllegalArgumentException();
    }
    MimeEntity retEntity = null;
    try {
        if (LOGGER.isDebugEnabled()) {
            final byte[] encryptedContent = encryptedEntity.getContentAsBytes();
            writePreDecrypt(encryptedContent);
        }
        final SMIMEEnveloped m = new SMIMEEnveloped(encryptedEntity);
        if (!this.isAllowedEncryptionAlgorithm(m.getEncryptionAlgOID()))
            throw new NHINDException(MimeError.DisallowedEncryptionAlgorithm, "The encryption algorithm " + m.getEncryptionAlgOID() + " is not allowed");
        for (X509CertificateEx decryptCert : decryptingCertificates) {
            final RecipientId recId = generateRecipientSelector(decryptCert);
            final RecipientInformationStore recipients = m.getRecipientInfos();
            final DirectRecipientInformation recipient = decFactory.createInstance(recipients.get(recId), m);
            if (recipient == null)
                continue;
            final byte[] decryptedPayload = recipient.getDecryptedContent(decryptCert.getPrivateKey());
            if (LOGGER.isDebugEnabled()) {
                writePostDecrypt(decryptedPayload);
            }
            final ByteArrayInputStream inStream = new ByteArrayInputStream(decryptedPayload);
            retEntity = new MimeEntity(inStream);
            break;
        }
    } catch (MessagingException e) {
        throw new MimeException(MimeError.InvalidMimeEntity, e);
    } catch (Exception e) {
        throw new MimeException(MimeError.Unexpected, e);
    }
    if (retEntity == null) {
        throw new NHINDException(MimeError.Unexpected, "None of the the provided decryption certs were found in message's RecipientsInfo set.");
    }
    return retEntity;
}

Example 2 with MimeEntity

use of org.nhindirect.stagent.mail.MimeEntity in project nhin-d by DirectProject.

the class CryptographerTest method testEncryptAndDecryptMimeEntity.

private void testEncryptAndDecryptMimeEntity(EncryptionAlgorithm encAlg, boolean enforceStrongEncryption, boolean expectDecException) throws Exception {
    X509Certificate cert = TestUtils.getExternalCert("user1");
    SMIMECryptographerImpl cryptographer = new SMIMECryptographerImpl();
    if (encAlg != null)
        cryptographer.setEncryptionAlgorithm(encAlg);
    cryptographer.setStrongEncryptionEnforced(enforceStrongEncryption);
    MimeEntity entity = new MimeEntity();
    entity.setText("Hello world.");
    entity.setHeader(MimeStandard.ContentTypeHeader, "text/plain");
    entity.setHeader(MimeStandard.ContentTransferEncodingHeader, "7bit");
    MimeEntity encEntity = cryptographer.encrypt(entity, cert);
    assertNotNull(encEntity);
    /*
		 * explicit header checking for compliance with Applicability
		 * Statement v 1.2
		 */
    final ContentType type = new ContentType(encEntity.getContentType());
    assertTrue(type.match(SMIMEStandard.CmsEnvelopeMediaType));
    assertFalse(type.match(SMIMEStandard.CmsEnvelopeMediaTypeAlt));
    X509CertificateEx certex = TestUtils.getInternalCert("user1");
    if (expectDecException) {
        boolean exceptionOccured = false;
        try {
            cryptographer.decrypt(encEntity, certex);
        } catch (Exception e) {
            exceptionOccured = true;
        }
        assertTrue(exceptionOccured);
    } else {
        MimeEntity decryEntity = cryptographer.decrypt(encEntity, certex);
        assertNotNull(decryEntity);
        byte[] decryEntityBytes = EntitySerializer.Default.serializeToBytes(decryEntity);
        byte[] entityBytes = EntitySerializer.Default.serializeToBytes(entity);
        assertTrue(Arrays.equals(decryEntityBytes, entityBytes));
    }
}

Example 3 with MimeEntity

use of org.nhindirect.stagent.mail.MimeEntity in project nhin-d by DirectProject.

the class CryptographerTest method testSignMimeEntity_MD5Digest_forceStrongDigest_assertRejectValidation.

public void testSignMimeEntity_MD5Digest_forceStrongDigest_assertRejectValidation() throws Exception {
    X509CertificateEx certex = TestUtils.getInternalCert("user1");
    SMIMECryptographerImpl cryptographer = new SMIMECryptographerImpl();
    cryptographer.setDigestAlgorithm(DigestAlgorithm.MD5);
    MimeEntity entity = new MimeEntity();
    entity.setText("Hello world.");
    entity.setHeader(MimeStandard.ContentTypeHeader, "text/plain");
    entity.setHeader(MimeStandard.ContentTransferEncodingHeader, "7bit");
    SignedEntity signedEnt = cryptographer.sign(entity, certex);
    assertNotNull(signedEnt);
    byte[] signedEntityBytes = EntitySerializer.Default.serializeToBytes(signedEnt.getContent());
    byte[] entityBytes = EntitySerializer.Default.serializeToBytes(entity);
    assertTrue(Arrays.equals(signedEntityBytes, entityBytes));
    assertNotNull(signedEnt.getSignature());
    X509Certificate cert = TestUtils.getExternalCert("user1");
    boolean exceptionOccured = false;
    try {
        cryptographer.checkSignature(signedEnt, cert, new ArrayList<X509Certificate>());
    } catch (SignatureValidationException e) {
        exceptionOccured = true;
    }
    assertTrue(exceptionOccured);
}

Example 4 with MimeEntity

use of org.nhindirect.stagent.mail.MimeEntity in project nhin-d by DirectProject.

the class CryptographerTest method testEncryptAndDecryptMultipartEntity.

private void testEncryptAndDecryptMultipartEntity(EncryptionAlgorithm encAlgo, boolean enforceStrongEncryption) throws Exception {
    X509Certificate cert = TestUtils.getExternalCert("user1");
    SMIMECryptographerImpl cryptographer = new SMIMECryptographerImpl();
    cryptographer.setEncryptionAlgorithm(encAlgo);
    cryptographer.setStrongEncryptionEnforced(enforceStrongEncryption);
    MimeEntity entityText = new MimeEntity();
    entityText.setText("Hello world.");
    entityText.setHeader(MimeStandard.ContentTypeHeader, "text/plain");
    entityText.setHeader(MimeStandard.ContentTransferEncodingHeader, "7bit");
    MimeEntity entityXML = new MimeEntity();
    entityXML.setText("<Test></Test>");
    entityXML.setHeader(MimeStandard.ContentTypeHeader, "text/xml");
    MimeMultipart mpEntity = new MimeMultipart();
    mpEntity.addBodyPart(entityText);
    mpEntity.addBodyPart(entityXML);
    MimeEntity encEntity = cryptographer.encrypt(mpEntity, cert);
    assertNotNull(encEntity);
    X509CertificateEx certex = TestUtils.getInternalCert("user1");
    MimeEntity decryEntity = cryptographer.decrypt(encEntity, certex);
    assertNotNull(decryEntity);
    ByteArrayOutputStream oStream = new ByteArrayOutputStream();
    mpEntity.writeTo(oStream);
    InternetHeaders hdrs = new InternetHeaders();
    hdrs.addHeader(MimeStandard.ContentTypeHeader, mpEntity.getContentType());
    MimeEntity orgEntity = new MimeEntity(hdrs, oStream.toByteArray());
    byte[] decryEntityBytes = EntitySerializer.Default.serializeToBytes(decryEntity);
    byte[] entityBytes = EntitySerializer.Default.serializeToBytes(orgEntity);
    System.out.println("Original:\r\n" + new String(entityBytes));
    System.out.println("\r\n\r\n\r\nNew:\r\n" + new String(decryEntityBytes));
    assertTrue(Arrays.equals(decryEntityBytes, entityBytes));
}

Example 5 with MimeEntity

use of org.nhindirect.stagent.mail.MimeEntity in project nhin-d by DirectProject.

the class SMIMECryptographerImpl_createSignatureEntityTest method contentToMimeEntity.

protected MimeEntity contentToMimeEntity(BodyPart part) throws Exception {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    part.writeTo(bos);
    bos.flush();
    InputStream stream = new ByteArrayInputStream(bos.toByteArray());
    return new MimeEntity(stream);
}