GetOriginalDocumentTest.java example

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dss-master
package eu.europa.esig.dss.pades;

import static org.junit.Assert.assertEquals;

import java.util.Date;
import java.util.List;

import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import eu.europa.esig.dss.DSSDocument;
import eu.europa.esig.dss.DSSUtils;
import eu.europa.esig.dss.DigestAlgorithm;
import eu.europa.esig.dss.FileDocument;
import eu.europa.esig.dss.SignatureAlgorithm;
import eu.europa.esig.dss.SignatureLevel;
import eu.europa.esig.dss.SignatureValue;
import eu.europa.esig.dss.ToBeSigned;
import eu.europa.esig.dss.pades.signature.PAdESService;
import eu.europa.esig.dss.test.TestUtils;
import eu.europa.esig.dss.test.gen.CertificateService;
import eu.europa.esig.dss.test.mock.MockPrivateKeyEntry;
import eu.europa.esig.dss.utils.Utils;
import eu.europa.esig.dss.validation.CertificateVerifier;
import eu.europa.esig.dss.validation.CommonCertificateVerifier;
import eu.europa.esig.dss.validation.SignedDocumentValidator;
import eu.europa.esig.dss.validation.reports.Reports;

public class GetOriginalDocumentTest {

	private static final Logger LOG = LoggerFactory.getLogger(GetOriginalDocumentTest.class);

	// TODO
	@Ignore
	@Test
	public final void getOriginalDocumentFromEnvelopedSignature() throws Exception {
		DSSDocument document = new FileDocument("src/test/resources/sample.pdf");

		CertificateService certificateService = new CertificateService();
		MockPrivateKeyEntry privateKeyEntry = certificateService.generateCertificateChain(SignatureAlgorithm.RSA_SHA256);

		PAdESSignatureParameters signatureParameters = new PAdESSignatureParameters();
		signatureParameters.bLevel().setSigningDate(new Date());
		signatureParameters.setSigningCertificate(privateKeyEntry.getCertificate());
		signatureParameters.setCertificateChain(privateKeyEntry.getCertificateChain());
		signatureParameters.setSignatureLevel(SignatureLevel.PAdES_BASELINE_B);

		CertificateVerifier certificateVerifier = new CommonCertificateVerifier();
		PAdESService service = new PAdESService(certificateVerifier);

		ToBeSigned dataToSign = service.getDataToSign(document, signatureParameters);
		SignatureValue signatureValue = TestUtils.sign(signatureParameters.getSignatureAlgorithm(), privateKeyEntry, dataToSign);
		final DSSDocument signedDocument = service.signDocument(document, signatureParameters, signatureValue);

		SignedDocumentValidator validator = SignedDocumentValidator.fromDocument(signedDocument);
		validator.setCertificateVerifier(new CommonCertificateVerifier());
		Reports reports = validator.validateDocument();

		List<DSSDocument> results = validator.getOriginalDocuments(reports.getDiagnosticData().getFirstSignatureId());

		assertEquals(1, results.size());

		LOG.info("ORIGINAL : \n" + Utils.toBase64(DSSUtils.toByteArray(signedDocument)));
		LOG.info("RETRIEVED : \n" + Utils.toBase64(DSSUtils.toByteArray(results.get(0))));

		assertEquals(document.getDigest(DigestAlgorithm.SHA256), results.get(0).getDigest(DigestAlgorithm.SHA256));
	}

}