List of usage examples for com.itextpdf.text.pdf PdfSignatureAppearance setImage
public void setImage(Image image)
From source file:controller.CCInstance.java
License:Open Source License
public final boolean signPdf(final String pdfPath, final String destination, final CCSignatureSettings settings, final SignatureListener sl) throws CertificateException, IOException, DocumentException, KeyStoreException, SignatureFailedException, FileNotFoundException, NoSuchAlgorithmException, InvalidAlgorithmParameterException { PrivateKey pk;/*from w w w . ja va 2 s . c om*/ final PdfReader reader = new PdfReader(pdfPath); pk = getPrivateKeyFromAlias(settings.getCcAlias().getAlias()); if (getCertificationLevel(pdfPath) == PdfSignatureAppearance.CERTIFIED_NO_CHANGES_ALLOWED) { String message = Bundle.getBundle().getString("fileDoesNotAllowChanges"); if (sl != null) { sl.onSignatureComplete(pdfPath, false, message); } throw new SignatureFailedException(message); } if (reader.getNumberOfPages() - 1 < settings.getPageNumber()) { settings.setPageNumber(reader.getNumberOfPages() - 1); } if (null == pk) { String message = Bundle.getBundle().getString("noSmartcardFound"); if (sl != null) { sl.onSignatureComplete(pdfPath, false, message); } throw new CertificateException(message); } if (null == pkcs11ks.getCertificateChain(settings.getCcAlias().getAlias())) { String message = Bundle.getBundle().getString("certificateNullChain"); if (sl != null) { sl.onSignatureComplete(pdfPath, false, message); } throw new CertificateException(message); } final ArrayList<Certificate> embeddedCertificateChain = settings.getCcAlias().getCertificateChain(); final Certificate owner = embeddedCertificateChain.get(0); final Certificate lastCert = embeddedCertificateChain.get(embeddedCertificateChain.size() - 1); if (null == owner) { String message = Bundle.getBundle().getString("certificateNameUnknown"); if (sl != null) { sl.onSignatureComplete(pdfPath, false, message); } throw new CertificateException(message); } final X509Certificate X509C = ((X509Certificate) lastCert); final Calendar now = Calendar.getInstance(); final Certificate[] filledMissingCertsFromChainInTrustedKeystore = getCompleteTrustedCertificateChain( X509C); final Certificate[] fullCertificateChain; if (filledMissingCertsFromChainInTrustedKeystore.length < 2) { fullCertificateChain = new Certificate[embeddedCertificateChain.size()]; for (int i = 0; i < embeddedCertificateChain.size(); i++) { fullCertificateChain[i] = embeddedCertificateChain.get(i); } } else { fullCertificateChain = new Certificate[embeddedCertificateChain.size() + filledMissingCertsFromChainInTrustedKeystore.length - 1]; int i = 0; for (i = 0; i < embeddedCertificateChain.size(); i++) { fullCertificateChain[i] = embeddedCertificateChain.get(i); } for (int f = 1; f < filledMissingCertsFromChainInTrustedKeystore.length; f++, i++) { fullCertificateChain[i] = filledMissingCertsFromChainInTrustedKeystore[f]; } } // Leitor e Stamper FileOutputStream os = null; try { os = new FileOutputStream(destination); } catch (FileNotFoundException e) { String message = Bundle.getBundle().getString("outputFileError"); if (sl != null) { sl.onSignatureComplete(pdfPath, false, message); } throw new IOException(message); } // Aparncia da Assinatura final char pdfVersion; switch (Settings.getSettings().getPdfVersion()) { case "/1.2": pdfVersion = PdfWriter.VERSION_1_2; break; case "/1.3": pdfVersion = PdfWriter.VERSION_1_3; break; case "/1.4": pdfVersion = PdfWriter.VERSION_1_4; break; case "/1.5": pdfVersion = PdfWriter.VERSION_1_5; break; case "/1.6": pdfVersion = PdfWriter.VERSION_1_6; break; case "/1.7": pdfVersion = PdfWriter.VERSION_1_7; break; default: pdfVersion = PdfWriter.VERSION_1_7; } final PdfStamper stamper = (getNumberOfSignatures(pdfPath) == 0 ? PdfStamper.createSignature(reader, os, pdfVersion) : PdfStamper.createSignature(reader, os, pdfVersion, null, true)); final PdfSignatureAppearance appearance = stamper.getSignatureAppearance(); appearance.setSignDate(now); appearance.setReason(settings.getReason()); appearance.setLocation(settings.getLocation()); appearance.setCertificationLevel(settings.getCertificationLevel()); appearance.setSignatureCreator(SIGNATURE_CREATOR); appearance.setCertificate(owner); final String fieldName = settings.getPrefix() + " " + (1 + getNumberOfSignatures(pdfPath)); if (settings.isVisibleSignature()) { appearance.setVisibleSignature(settings.getPositionOnDocument(), settings.getPageNumber() + 1, fieldName); appearance.setRenderingMode(PdfSignatureAppearance.RenderingMode.DESCRIPTION); if (null != settings.getAppearance().getImageLocation()) { appearance.setImage(Image.getInstance(settings.getAppearance().getImageLocation())); } com.itextpdf.text.Font font = new com.itextpdf.text.Font(FontFactory .getFont(settings.getAppearance().getFontLocation(), BaseFont.IDENTITY_H, BaseFont.EMBEDDED, 0) .getBaseFont()); font.setColor(new BaseColor(settings.getAppearance().getFontColor().getRGB())); if (settings.getAppearance().isBold() && settings.getAppearance().isItalic()) { font.setStyle(Font.BOLD + Font.ITALIC); } else if (settings.getAppearance().isBold()) { font.setStyle(Font.BOLD); } else if (settings.getAppearance().isItalic()) { font.setStyle(Font.ITALIC); } else { font.setStyle(Font.PLAIN); } appearance.setLayer2Font(font); String text = ""; if (settings.getAppearance().isShowName()) { if (!settings.getCcAlias().getName().isEmpty()) { text += settings.getCcAlias().getName() + "\n"; } } if (settings.getAppearance().isShowReason()) { if (!settings.getReason().isEmpty()) { text += settings.getReason() + "\n"; } } if (settings.getAppearance().isShowLocation()) { if (!settings.getLocation().isEmpty()) { text += settings.getLocation() + "\n"; } } if (settings.getAppearance().isShowDate()) { DateFormat df = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss"); SimpleDateFormat sdf = new SimpleDateFormat("Z"); text += df.format(now.getTime()) + " " + sdf.format(now.getTime()) + "\n"; } if (!settings.getText().isEmpty()) { text += settings.getText(); } PdfTemplate layer2 = appearance.getLayer(2); Rectangle rect = settings.getPositionOnDocument(); Rectangle sr = new Rectangle(rect.getWidth(), rect.getHeight()); float size = ColumnText.fitText(font, text, sr, 1024, PdfWriter.RUN_DIRECTION_DEFAULT); ColumnText ct = new ColumnText(layer2); ct.setRunDirection(PdfWriter.RUN_DIRECTION_DEFAULT); ct.setAlignment(Element.ALIGN_MIDDLE); int align; switch (settings.getAppearance().getAlign()) { case 0: align = Element.ALIGN_LEFT; break; case 1: align = Element.ALIGN_CENTER; break; case 2: align = Element.ALIGN_RIGHT; break; default: align = Element.ALIGN_LEFT; } ct.setSimpleColumn(new Phrase(text, font), sr.getLeft(), sr.getBottom(), sr.getRight(), sr.getTop(), size, align); ct.go(); } else { appearance.setVisibleSignature(new Rectangle(0, 0, 0, 0), 1, fieldName); } // CRL <- Pesado! final ArrayList<CrlClient> crlList = null; // OCSP OcspClient ocspClient = new OcspClientBouncyCastle(); // TimeStamp TSAClient tsaClient = null; if (settings.isTimestamp()) { tsaClient = new TSAClientBouncyCastle(settings.getTimestampServer(), null, null); } final String hashAlg = getHashAlgorithm(X509C.getSigAlgName()); final ExternalSignature es = new PrivateKeySignature(pk, hashAlg, pkcs11Provider.getName()); final ExternalDigest digest = new ProviderDigest(pkcs11Provider.getName()); try { MakeSignature.signDetached(appearance, digest, es, fullCertificateChain, crlList, ocspClient, tsaClient, 0, MakeSignature.CryptoStandard.CMS); if (sl != null) { sl.onSignatureComplete(pdfPath, true, ""); } return true; } catch (Exception e) { os.flush(); os.close(); new File(destination).delete(); if ("sun.security.pkcs11.wrapper.PKCS11Exception: CKR_FUNCTION_CANCELED".equals(e.getMessage())) { throw new SignatureFailedException(Bundle.getBundle().getString("userCanceled")); } else if ("sun.security.pkcs11.wrapper.PKCS11Exception: CKR_GENERAL_ERROR".equals(e.getMessage())) { throw new SignatureFailedException(Bundle.getBundle().getString("noPermissions")); } else if (e instanceof ExceptionConverter) { String message = Bundle.getBundle().getString("timestampFailed"); if (sl != null) { sl.onSignatureComplete(pdfPath, false, message); } throw new SignatureFailedException(message); } else { if (sl != null) { sl.onSignatureComplete(pdfPath, false, Bundle.getBundle().getString("unknownErrorLog")); } controller.Logger.getLogger().addEntry(e); } return false; } }
From source file:de.rub.dez6a3.jpdfsigner.control.ITextSigner.java
License:Open Source License
public ByteArrayOutputStream doSign(byte[] pdf, Rectangle stampPos, int pageNmbrForStamp) throws IOException, DocumentException, NoSuchAlgorithmException, InvalidKeyException, SignatureException { Certificate[] chain = signCert.toArray(new Certificate[0]); PdfReader reader = new PdfReader(pdf); ByteArrayOutputStream byteOS = new ByteArrayOutputStream(); PdfStamper stp = PdfStamper.createSignature(reader, byteOS, '\0', null, true); PdfSignatureAppearance sap = stp.getSignatureAppearance(); if (stampPos != null) { sap.setVisibleSignature(/*from w ww . ja v a 2 s . c o m*/ new com.itextpdf.text.Rectangle(stampPos.x, stampPos.y, stampPos.width, stampPos.height), pageNmbrForStamp, null); sap.setRenderingMode(PdfSignatureAppearance.RenderingMode.NAME_AND_DESCRIPTION); sap.setAcro6Layers(true); } // Siganture Appearance PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("adbe.pkcs7.detached")); log.info("Creating signature with reason: " + ParamValidator.getInstance().getSignatureReason()); sap.setReason(ParamValidator.getInstance().getSignatureReason()); sap.setLocation("Ruhr-Universitt Bochum"); Image i = Image.getInstance(getClass().getResource("/de/rub/dez6a3/jpdfsigner/resources/images/sign.png")); sap.setImage(i); sap.setCrypto((PrivateKey) signPrivKey, chain, null, PdfSignatureAppearance.WINCER_SIGNED); dic.setReason(ParamValidator.getInstance().getSignatureReason()); dic.setLocation("Ruhr-Universitt Bochum"); sap.setCryptoDictionary(dic); // preserve some space for the contents int contentEstimated = 15000; HashMap<PdfName, Integer> exc = new HashMap<PdfName, Integer>(); exc.put(PdfName.CONTENTS, new Integer(contentEstimated * 2 + 2)); sap.preClose(exc); // make the digest InputStream data = sap.getRangeStream(); MessageDigest messageDigest = MessageDigest.getInstance("SHA1"); byte buf[] = new byte[8192]; int n; while ((n = data.read(buf)) > 0) { messageDigest.update(buf, 0, n); } byte hash[] = messageDigest.digest(); Calendar cal = Calendar.getInstance(); // If we add a time stamp: TSAClient tsc = new TSAClientBouncyCastle("http://zeitstempel.dfn.de/"); // Create the signature PdfPKCS7 sgn; try { sgn = new PdfPKCS7((PrivateKey) signPrivKey, chain, null, "SHA1", null, false); byte sh[] = sgn.getAuthenticatedAttributeBytes(hash, cal, null); sgn.update(sh, 0, sh.length); byte[] encodedSig = sgn.getEncodedPKCS7(hash, cal, tsc, null); if (contentEstimated + 2 < encodedSig.length) { throw new DocumentException("Not enough space"); } byte[] paddedSig = new byte[contentEstimated]; System.arraycopy(encodedSig, 0, paddedSig, 0, encodedSig.length); // Replace the contents PdfDictionary dic2 = new PdfDictionary(); dic2.put(PdfName.CONTENTS, new PdfString(paddedSig).setHexWriting(true)); sap.close(dic2); } catch (NoSuchProviderException ex) { ex.printStackTrace(); } return byteOS; }