List of usage examples for com.itextpdf.text.pdf AcroFields getRevision
public int getRevision(String field)
field revision. From source file:controller.CCInstance.java
License:Open Source License
public final ArrayList<SignatureValidation> validatePDF(final String file, final ValidationListener vl) throws IOException, DocumentException, GeneralSecurityException { this.validating = true; final PdfReader reader = new PdfReader(file); final AcroFields af = reader.getAcroFields(); final ArrayList names = af.getSignatureNames(); final ArrayList<SignatureValidation> validateList = new ArrayList<>(); X509Certificate x509c = null; Security.setProperty("ocsp.enable", "true"); System.setProperty("com.sun.security.enableCRLDP", "true"); boolean nextValid = true; for (Object o : names) { if (!validating) { return null; }/*ww w. ja v a 2 s .com*/ final String name = (String) o; final PdfPKCS7 pk = af.verifySignature(name, "BC"); final Certificate pkc[] = pk.getCertificates(); x509c = (X509Certificate) pkc[pkc.length - 1]; final Certificate[] aL = pkc;//getCompleteCertificateChain(x509c); if (null == aL || 0 == aL.length) { return null; } CertificateStatus ocspCertificateStatus = CertificateStatus.UNCHECKED; BasicOCSPResp ocspResp = pk.getOcsp(); if (null != ocspResp && pk.isRevocationValid()) { for (SingleResp singleResp : ocspResp.getResponses()) { if (null == singleResp.getCertStatus()) { ocspCertificateStatus = CertificateStatus.OK; } else if (singleResp.getCertStatus() instanceof RevokedStatus) { if (ocspResp.getProducedAt() .before(((RevokedStatus) singleResp.getCertStatus()).getRevocationTime())) { ocspCertificateStatus = CertificateStatus.OK; } else { ocspCertificateStatus = CertificateStatus.REVOKED; } } else if (singleResp.getCertStatus() instanceof UnknownStatus) { ocspCertificateStatus = CertificateStatus.UNKNOWN; } } } CertificateStatus crlCertificateStatus = CertificateStatus.UNCHECKED; Collection<CRL> crlResp = pk.getCRLs(); if (null != crlResp) { boolean revoked = false; for (CRL crl : crlResp) { if (crl.isRevoked(x509c)) { revoked = true; } } crlCertificateStatus = revoked ? CertificateStatus.REVOKED : CertificateStatus.OK; } if (ocspCertificateStatus.equals(CertificateStatus.UNCHECKED) && crlCertificateStatus.equals(CertificateStatus.UNCHECKED)) { if (pkc.length == 1) { Certificate[] completeChain = getCompleteTrustedCertificateChain(x509c); if (completeChain.length == 1) { ocspCertificateStatus = CertificateStatus.UNCHAINED; } else { ocspCertificateStatus = CertificateStatus.CHAINED_LOCALLY; } } } final TimeStampToken tst = pk.getTimeStampToken(); boolean validTimestamp = false; if (null != tst) { final boolean hasTimestamp = pk.verifyTimestampImprint(); validTimestamp = hasTimestamp && CertificateVerification.verifyTimestampCertificates(tst, ks, null); } PdfDictionary pdfDic = reader.getAcroFields().getSignatureDictionary(name); SignaturePermissions sp = new SignaturePermissions(pdfDic, null); boolean isValid; if (nextValid) { isValid = pk.verify(); } else { isValid = false; } List<AcroFields.FieldPosition> posList = af.getFieldPositions(name); final SignatureValidation signature = new SignatureValidation(file, name, pk, !pk.verify(), af.signatureCoversWholeDocument(name), af.getRevision(name), af.getTotalRevisions(), reader.getCertificationLevel(), ocspCertificateStatus, crlCertificateStatus, validTimestamp, posList, sp, isValid); validateList.add(signature); if (null != vl) { vl.onValidationComplete(signature); } if (!sp.isFillInAllowed()) { nextValid = false; } } return validateList; }
From source file:cz.hobrasoft.pdfmu.operation.OperationInspect.java
License:Open Source License
private Signature display(AcroFields fields, String name) { // digitalsignatures20130304.pdf : Code sample 5.2 to.println(String.format("Signature covers the whole document: %s", (fields.signatureCoversWholeDocument(name) ? "Yes" : "No"))); to.println(// w w w. ja v a 2 s . c o m String.format("Document revision: %d of %d", fields.getRevision(name), fields.getTotalRevisions())); PdfPKCS7 pkcs7 = fields.verifySignature(name); Signature signature = display(pkcs7); signature.coversWholeDocument = fields.signatureCoversWholeDocument(name); signature.revision = fields.getRevision(name); return signature; }
From source file:de.rub.dez6a3.jpdfsigner.control.ITextPDFSignatureVerifier.java
License:Open Source License
public void verifySignature(PdfReader reader, KeyStore ks) throws VerifySignatureException { issuerName = null;//from w ww .j av a 2 s. c o m signedForName = null; boolean result = true; List<X509Certificate[]> validatedChainCerts = new ArrayList<X509Certificate[]>(); AcroFields af = reader.getAcroFields(); ArrayList<String> names = af.getSignatureNames(); if (names.size() < 1) { GlobalData.setSignerChain(null); throw new VerifySignatureException("PDF doesn't contain a signature"); } for (String currName : names) { log.info("-------------Reading following Documentsignature: " + currName + "------------------"); log.info("Signature name: " + currName); log.info("Signature covers whole document: " + af.signatureCoversWholeDocument(currName)); log.info("Current Documentrevision: " + af.getRevision(currName)); PdfPKCS7 pkcs7 = af.verifySignature(currName); log.info("Building whole chain ..."); Certificate[] certs = pkcs7.getSignCertificateChain(); //Um zu berprfen ob alle Certs auch X509Certificate - typen sind X509Certificate[] validatedX509Certs = new X509Certificate[certs.length]; for (int i = 0; i < certs.length; i++) { Certificate currCert = certs[i]; if (currCert instanceof X509Certificate) { if (issuerName == null && af.getRevision(currName) == 1) { issuerName = PdfPKCS7.getSubjectFields((X509Certificate) currCert).getField("CN"); } try { String[] reasonField = pkcs7.getReason().split(":"); if (reasonField[0].trim().equals("Signature Userid")) { if (signedForName == null) { signedForName = reasonField[1].trim(); } } } catch (Exception e) { } log.info("Adding certificate with following CN to chain: " + PdfPKCS7.getSubjectFields((X509Certificate) currCert).getField("CN")); validatedX509Certs[i] = (X509Certificate) currCert; } else { log.error("Certificate must be instance of X509Certificate... The verification will fail!"); result = false; } } validatedChainCerts.add(validatedX509Certs); X509Certificate[] pdfCerts = (X509Certificate[]) pkcs7.getCertificates(); ArrayList<X509Certificate> pdfCertList = new ArrayList<X509Certificate>(); for (X509Certificate pdfCert : pdfCerts) { pdfCertList.add(pdfCert); } try { log.info("Timestamp is NOT verified! Will be implemented soon!"); } catch (NullPointerException e) { log.info("No timestamp found! Signature contains the date of the signers pc."); } catch (Exception e) { log.error(e); } Object fails[] = PdfPKCS7.verifyCertificates( pdfCertList.toArray(new X509Certificate[pdfCertList.size()]), ks, null, pkcs7.getSignDate()); if (fails == null) { log.info("Certification verification succeeded: " + currName); } else { result = false; log.info("Certificate verification failed: " + fails[1]); } log.info("--------------------------------------"); } GlobalData.setSignerChain(validatedChainCerts); if (!result) { throw new VerifySignatureException("At least one signature is invalid."); } }
From source file:ec.rubrica.pdf.FirmaPDF.java
License:Open Source License
/** * TODO: Mas de dos firmas?/*from w ww . ja v a2 s . c om*/ * * @param pdf * @throws IOException * @throws SignatureException */ public static boolean verificar(byte[] pdf) throws IOException, SignatureException { PdfReader reader = new PdfReader(pdf); AcroFields af = reader.getAcroFields(); ArrayList<String> names = af.getSignatureNames(); for (int k = 0; k < names.size(); ++k) { String name = (String) names.get(k); System.out.println("Signature name: " + name); System.out.println("Signature covers whole document: " + af.signatureCoversWholeDocument(name)); System.out.println("Document revision: " + af.getRevision(name) + " of " + af.getTotalRevisions()); PdfPKCS7 pk = af.verifySignature(name); Calendar cal = pk.getSignDate(); Certificate[] pkc = pk.getCertificates(); TimeStampToken ts = pk.getTimeStampToken(); if (ts != null) { cal = pk.getTimeStampDate(); } if (!pk.isTsp() && ts != null) { boolean impr; try { impr = pk.verifyTimestampImprint(); System.out.println("Timestamp imprint verifies: " + impr); System.out.println("Timestamp date: " + cal); } catch (NoSuchAlgorithmException e) { throw new SignatureException(e); } } System.out.println("Subject: " + CertificateInfo.getSubjectFields(pk.getSigningCertificate())); System.out.println("Document modified: " + !pk.verify()); KeyStore kall = KeyStoreUtil.loadCacertsKeyStore(); Object fails[] = CertificateVerification.verifyCertificates(pkc, kall, null, cal); if (fails == null) { System.out.println("Certificates verified against the KeyStore"); } else { System.out.println("Certificate failed: " + fails[0]); return false; } BasicOCSPResp ocsp = pk.getOcsp(); if (ocsp != null) { try { X509Certificate cert = new SecurityDataSubCaCert(); boolean verifies = ocsp.isSignatureValid(new JcaContentVerifierProviderBuilder() .setProvider(BouncyCastleProvider.PROVIDER_NAME).build(cert.getPublicKey())); System.out.println("OCSP signature verifies: " + verifies); System.out.println("OCSP revocation refers to this certificate: " + pk.isRevocationValid()); return verifies; } catch (OperatorCreationException e) { throw new SignatureException(e); } catch (OCSPException e) { throw new SignatureException(e); } } else { return true; } } return false; }
From source file:org.dihedron.crypto.operations.verify.pdf.PDFVerifier.java
License:Open Source License
@Override public boolean verify(byte[] signed, byte[] data) throws CryptoException { boolean verified = false; try {//from w w w . j av a 2 s. c om PdfReader reader = new PdfReader(signed); AcroFields af = reader.getAcroFields(); ArrayList<String> names = af.getSignatureNames(); for (String name : names) { logger.debug("signature name: {}", name); logger.debug("signature covers whole document: {}", af.signatureCoversWholeDocument(name)); logger.debug("document revision: {} of {}", af.getRevision(name), af.getTotalRevisions()); PdfPKCS7 pk = af.verifySignature(name); Calendar cal = pk.getSignDate(); Certificate[] pkc = pk.getCertificates(); logger.debug("subject: {}", PdfPKCS7.getSubjectFields(pk.getSigningCertificate())); logger.debug("revision modified: {}", !pk.verify()); Object fails[] = PdfPKCS7.verifyCertificates(pkc, keyring.getKeyStore(), null, cal); if (fails == null) { logger.debug("certificates verified against the KeyStoreHelper"); verified = true; } else { logger.warn("certificate failed: {}", fails[1]); verified = false; } } } catch (IOException e) { throw new CryptoException("I/O exception while verifying the signature", e); } catch (SignatureException e) { throw new CryptoException("Signature exception while verifying the signature", e); } return verified; }