List of usage examples for com.lowagie.text.pdf PdfStamper getSignatureAppearance
public PdfSignatureAppearance getSignatureAppearance()
From source file:es.gob.afirma.signers.pades.PdfSessionManager.java
License:Open Source License
/** Obtiene los datos PDF relevantes en cuanto a las firmas electrónicas, consistentes en los datos * a ser firmados con CAdES o PKCS#7 y los metadatos necesarios para su correcta inserción en el PDF. * @param inPDF Documento PDF que se desea firmar * @param certChain Cadena de certificados del firmante * @param signTime Hora de la firma/*from w ww. j a v a 2 s .c o m*/ * @param extraParams Parámetros adicionales de la firma * @return Datos PDF relevantes en cuanto a las firmas electrónicas * @throws AOException En caso de que ocurra cualquier otro tipo de error * @throws IOException En caso de errores de entrada / salida * @throws DocumentException Si ocurren errores en la estampaciín de la firma PDF */ public static PdfTriPhaseSession getSessionData(final byte[] inPDF, final Certificate[] certChain, final Calendar signTime, final Properties extraParams) throws AOException, IOException, DocumentException { // ********************************************************************************************************************* // **************** LECTURA PARAMETROS ADICIONALES ********************************************************************* // ********************************************************************************************************************* // Forzar la creacion de revisiones incluso en PDF no firmados final boolean alwaysCreateRevision = Boolean .parseBoolean(extraParams.getProperty("alwaysCreateRevision", "true")); //$NON-NLS-1$ //$NON-NLS-2$ // Imagen de la rubrica final Image rubric = PdfPreProcessor.getImage(extraParams.getProperty("signatureRubricImage")); //$NON-NLS-1$ // Motivo de la firma final String reason = extraParams.getProperty("signReason"); //$NON-NLS-1$ // Nombre del campo de firma preexistente en el PDF a usar final String signatureField = extraParams.getProperty("signatureField"); //$NON-NLS-1$ // Lugar de realizacion de la firma final String signatureProductionCity = extraParams.getProperty("signatureProductionCity"); //$NON-NLS-1$ // Datos de contacto (correo electronico) del firmante final String signerContact = extraParams.getProperty("signerContact"); //$NON-NLS-1$ // Pagina donde situar la firma visible int page = LAST_PAGE; try { page = Integer.parseInt(extraParams.getProperty("signaturePage")); //$NON-NLS-1$ } catch (final Exception e) { /* Se deja la pagina tal y como esta */ } // Nombre del subfiltro de firma en el diccionario PDF final String signatureSubFilter = extraParams.getProperty("signatureSubFilter"); //$NON-NLS-1$ // Nivel de certificacion del PDF int certificationLevel; try { certificationLevel = extraParams.getProperty("certificationLevel") != null ? //$NON-NLS-1$ Integer.parseInt(extraParams.getProperty("certificationLevel")) : //$NON-NLS-1$ -1; } catch (final Exception e) { certificationLevel = UNDEFINED; } // ***************************** // **** Texto firma visible **** // Texto en capa 4 final String layer4Text = extraParams.getProperty("layer4Text"); //$NON-NLS-1$ // Texto en capa 2 final String layer2Text = extraParams.getProperty("layer2Text"); //$NON-NLS-1$ // Tipo de letra en capa 2 int layer2FontFamily; try { layer2FontFamily = extraParams.getProperty("layer2FontFamily") != null ? //$NON-NLS-1$ Integer.parseInt(extraParams.getProperty("layer2FontFamily")) : //$NON-NLS-1$ -1; } catch (final Exception e) { layer2FontFamily = UNDEFINED; } // Tamano del tipo de letra en capa 2 int layer2FontSize; try { layer2FontSize = extraParams.getProperty("layer2FontSize") != null ? //$NON-NLS-1$ Integer.parseInt(extraParams.getProperty("layer2FontSize")) : //$NON-NLS-1$ -1; } catch (final Exception e) { layer2FontSize = UNDEFINED; } // Estilo del tipo de letra en capa 2 int layer2FontStyle; try { layer2FontStyle = extraParams.getProperty("layer2FontStyle") != null ? //$NON-NLS-1$ Integer.parseInt(extraParams.getProperty("layer2FontStyle")) : //$NON-NLS-1$ -1; } catch (final Exception e) { layer2FontStyle = UNDEFINED; } // Color del tipo de letra en capa 2 final String layer2FontColor = extraParams.getProperty("layer2FontColor"); //$NON-NLS-1$ // ** Fin texto firma visible ** // ***************************** // ********************************************************************************************************************* // **************** FIN LECTURA PARAMETROS ADICIONALES ***************************************************************** // ********************************************************************************************************************* final PdfReader pdfReader = PdfUtil.getPdfReader(inPDF, extraParams, Boolean.getBoolean(extraParams.getProperty("headLess")) //$NON-NLS-1$ ); //PdfUtil.checkPdfCertification(pdfReader.getCertificationLevel(), extraParams); //PdfUtil.checkUnregisteredSignatures(pdfReader, extraParams); // Los derechos van firmados por Adobe, y como desde iText se invalidan // es mejor quitarlos pdfReader.removeUsageRights(); final ByteArrayOutputStream baos = new ByteArrayOutputStream(); // Activar el atributo de "agregar firma" (quinto parametro del metodo // "PdfStamper.createSignature") hace que se cree una nueva revision del // documento y evita que las firmas previas queden invalidadas. // Sin embargo, este procedimiento no funciona cuando los PDF contienen informacion // despues de la ultima marca %%EOF, aspecto no permitido en PDF 1.7 (ISO 32000-1:2008) // pero si en PDF 1.3 (Adobe) y que se da con frecuencia en PDF generados con bibliotetcas // de software libre como QPDF. // // Especificacion PDF 1.3 // 3.4.4, "File Trailer" // Acrobat viewers require only that the %%EOF marker appear somewhere within // the last 1024 bytes of the file. // // Especificacion PDF 1.7 // 7.5.5. File Trailer // The trailer of a PDF file enables a conforming reader to quickly find the // cross-reference table and certain special objects. Conforming readers should read a // PDF file from its end. The last line of the file shall contain only the end-of-file // marker, %%EOF. // // Para aceptar al menos en algunos casos PDF 1.3 (son aun muy frecuentes, especialmente // en archivos, lo mantendremos desactivado para la primera firma y activado para las // subsiguientes. // // No obstante, el integrador puede siempre forzar la creacion de revisiones mediante // el parametro "alwaysCreateRevision". final PdfStamper stp; try { stp = PdfStamper.createSignature( // PDF de entrada pdfReader, // Salida baos, // Mantener version '\0', // No crear temporal null, // Si hay mas firmas o asi me lo indican, creo una revision alwaysCreateRevision || pdfReader.getAcroFields().getSignatureNames().size() > 0, // Momento de la firma signTime); } catch (final BadPasswordException e) { // Comprobamos que el signer esta en modo interactivo, y si no lo // esta no pedimos contrasena por dialogo, principalmente para no interrumpir un firmado por lotes // desatendido if (Boolean.getBoolean(extraParams.getProperty("headLess"))) { //$NON-NLS-1$ throw new BadPdfPasswordException(e); } // La contrasena que nos han proporcionada no es buena o no nos // proporcionaron ninguna final String userPwd = new String(AOUIFactory.getPassword( extraParams.getProperty("userPassword") == null ? CommonPdfMessages.getString("AOPDFSigner.0") //$NON-NLS-1$//$NON-NLS-2$ : CommonPdfMessages.getString("AOPDFSigner.1"), //$NON-NLS-1$ null)); if ("".equals(userPwd)) { //$NON-NLS-1$ throw new AOCancelledOperationException("Entrada de contrasena de PDF cancelada por el usuario", e //$NON-NLS-1$ ); } extraParams.put("userPassword", userPwd); //$NON-NLS-1$ return getSessionData(inPDF, certChain, signTime, extraParams); } // Aplicamos todos los atributos de firma final PdfSignatureAppearance sap = stp.getSignatureAppearance(); stp.setFullCompression(); sap.setAcro6Layers(true); PdfUtil.enableLtv(stp); // Adjuntos PdfPreProcessor.attachFile(extraParams, stp); // Imagenes PdfPreProcessor.addImage(extraParams, stp); // Establecemos el render segun iText antiguo, varia en versiones modernas sap.setRender(PdfSignatureAppearance.SignatureRenderDescription); // Razon de firma if (reason != null) { sap.setReason(reason); } sap.setSignDate(signTime); // Gestion de los cifrados PdfUtil.managePdfEncryption(stp, pdfReader, extraParams); // Pagina en donde se imprime la firma if (page == LAST_PAGE) { page = pdfReader.getNumberOfPages(); } // Posicion de la firma final Rectangle signaturePositionOnPage = getSignaturePositionOnPage(extraParams); if (signaturePositionOnPage != null && signatureField == null) { sap.setVisibleSignature(signaturePositionOnPage, page, null); } else if (signatureField != null) { sap.setVisibleSignature(signatureField); } // Localizacion en donde se produce la firma if (signatureProductionCity != null) { sap.setLocation(signatureProductionCity); } // Contacto del firmante if (signerContact != null) { sap.setContact(signerContact); } // Rubrica de la firma if (rubric != null) { sap.setImage(rubric); sap.setLayer2Text(""); //$NON-NLS-1$ sap.setLayer4Text(""); //$NON-NLS-1$ } // ************************** // ** Texto en las capas **** // ************************** // Capa 2 if (layer2Text != null) { sap.setLayer2Text(layer2Text); final int layer2FontColorR; final int layer2FontColorG; final int layer2FontColorB; if ("black".equalsIgnoreCase(layer2FontColor)) { //$NON-NLS-1$ layer2FontColorR = 0; layer2FontColorG = 0; layer2FontColorB = 0; } else if ("white".equalsIgnoreCase(layer2FontColor)) { //$NON-NLS-1$ layer2FontColorR = 255; layer2FontColorG = 255; layer2FontColorB = 255; } else if ("lightGray".equalsIgnoreCase(layer2FontColor)) { //$NON-NLS-1$ layer2FontColorR = 192; layer2FontColorG = 192; layer2FontColorB = 192; } else if ("gray".equalsIgnoreCase(layer2FontColor)) { //$NON-NLS-1$ layer2FontColorR = 128; layer2FontColorG = 128; layer2FontColorB = 128; } else if ("darkGray".equalsIgnoreCase(layer2FontColor)) { //$NON-NLS-1$ layer2FontColorR = 64; layer2FontColorG = 64; layer2FontColorB = 64; } else if ("red".equalsIgnoreCase(layer2FontColor)) { //$NON-NLS-1$ layer2FontColorR = 255; layer2FontColorG = 0; layer2FontColorB = 0; } else if ("pink".equalsIgnoreCase(layer2FontColor)) { //$NON-NLS-1$ layer2FontColorR = 255; layer2FontColorG = 175; layer2FontColorB = 175; } else if (layer2FontColor == null) { layer2FontColorR = 0; layer2FontColorG = 0; layer2FontColorB = 0; } else { LOGGER.warning("No se soporta el color '" + layer2FontColor //$NON-NLS-1$ + "' para el texto de la capa 4, se usara negro"); //$NON-NLS-1$ layer2FontColorR = 0; layer2FontColorG = 0; layer2FontColorB = 0; } com.lowagie.text.Font font; try { Class<?> colorClass; if (Platform.getOS() == OS.ANDROID) { colorClass = Class.forName("harmony.java.awt.Color"); //$NON-NLS-1$ } else { colorClass = Class.forName("java.awt.Color"); //$NON-NLS-1$ } final Object color = colorClass.getConstructor(Integer.TYPE, Integer.TYPE, Integer.TYPE) .newInstance(Integer.valueOf(layer2FontColorR), Integer.valueOf(layer2FontColorG), Integer.valueOf(layer2FontColorB)); font = com.lowagie.text.Font.class .getConstructor(Integer.TYPE, Float.TYPE, Integer.TYPE, colorClass).newInstance( // Family (COURIER = 0, HELVETICA = 1, TIMES_ROMAN = 2, SYMBOL = 3, ZAPFDINGBATS = 4) Integer.valueOf(layer2FontFamily == UNDEFINED ? COURIER : layer2FontFamily), // Size (DEFAULTSIZE = 12) Float.valueOf( layer2FontSize == UNDEFINED ? DEFAULT_LAYER_2_FONT_SIZE : layer2FontSize), // Style (NORMAL = 0, BOLD = 1, ITALIC = 2, BOLDITALIC = 3, UNDERLINE = 4, STRIKETHRU = 8) Integer.valueOf(layer2FontStyle == UNDEFINED ? com.lowagie.text.Font.NORMAL : layer2FontStyle), // Color color); } catch (final Exception e) { font = new com.lowagie.text.Font( // Family (COURIER = 0, HELVETICA = 1, TIMES_ROMAN = 2, SYMBOL = 3, ZAPFDINGBATS = 4) layer2FontFamily == UNDEFINED ? COURIER : layer2FontFamily, // Size (DEFAULTSIZE = 12) layer2FontSize == UNDEFINED ? DEFAULT_LAYER_2_FONT_SIZE : layer2FontSize, // Style (NORMAL = 0, BOLD = 1, ITALIC = 2, BOLDITALIC = 3, UNDERLINE = 4, STRIKETHRU = 8) layer2FontStyle == UNDEFINED ? com.lowagie.text.Font.NORMAL : layer2FontStyle, // Color null); } sap.setLayer2Font(font); } // Capa 4 if (layer4Text != null) { sap.setLayer4Text(layer4Text); } // *************************** // ** Fin texto en las capas * // *************************** sap.setCrypto(null, certChain, null, null); final PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, signatureSubFilter != null && !"".equals(signatureSubFilter) ? new PdfName(signatureSubFilter) //$NON-NLS-1$ : PdfName.ADBE_PKCS7_DETACHED); // Fecha de firma if (sap.getSignDate() != null) { dic.setDate(new PdfDate(sap.getSignDate())); } dic.setName(PdfPKCS7.getSubjectFields((X509Certificate) certChain[0]).getField("CN")); //$NON-NLS-1$ if (sap.getReason() != null) { dic.setReason(sap.getReason()); } // Lugar de la firma if (sap.getLocation() != null) { dic.setLocation(sap.getLocation()); } // Contacto del firmante if (sap.getContact() != null) { dic.setContact(sap.getContact()); } sap.setCryptoDictionary(dic); // Certificacion del PDF (NOT_CERTIFIED = 0, CERTIFIED_NO_CHANGES_ALLOWED = 1, // CERTIFIED_FORM_FILLING = 2, CERTIFIED_FORM_FILLING_AND_ANNOTATIONS = 3) if (certificationLevel != -1) { sap.setCertificationLevel(certificationLevel); } // Reservamos el espacio necesario en el PDF para insertar la firma final HashMap<PdfName, Integer> exc = new HashMap<PdfName, Integer>(); exc.put(PdfName.CONTENTS, Integer.valueOf(CSIZE * 2 + 2)); sap.preClose(exc, signTime); final PdfObject pdfObject = ((com.lowagie.text.pdf.PdfStamperImp) stp.getWriter()).getFileID(); return new PdfTriPhaseSession(sap, baos, new String(pdfObject.getBytes())); }
From source file:eu.europa.ec.markt.dss.signature.pdf.itext.ITextPDFDocTimeSampService.java
License:Open Source License
@SuppressWarnings({ "unchecked", "rawtypes" })
private PdfStamper prepareStamper(InputStream pdfData, OutputStream output, SignatureParameters parameters)
throws IOException {
try {/*from w w w . j ava2 s . c o m*/
PdfReader reader = new PdfReader(pdfData);
PdfStamper stamper = PdfStamper.createSignature(reader, output, '\0', null, true);
PdfSignatureAppearance appearance = stamper.getSignatureAppearance();
appearance.setAcro6Layers(true);
appearance.setRender(PdfSignatureAppearance.SignatureRenderDescription);
PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("ETSI.RFC3161"));
// defined in ETSI TS 102 778-4 A.2
dic.put(PdfName.TYPE, new PdfName("DocTimeStamp"));
Calendar cal = Calendar.getInstance();
if (parameters.getSigningDate() != null) {
cal.setTime(parameters.getSigningDate());
appearance.setSignDate(cal);
}
dic.setDate(new PdfDate(cal));
appearance.setCryptoDictionary(dic);
int csize = getSignatureSize();
HashMap exc = new HashMap();
exc.put(PdfName.CONTENTS, new Integer(csize * 2 + 2));
appearance.preClose(exc);
return stamper;
} catch (DocumentException e) {
throw new IOException(e);
}
}
From source file:eu.europa.ec.markt.dss.signature.pdf.itext.ITextPDFDocTimeSampService.java
License:Open Source License
@Override public byte[] digest(InputStream pdfData, SignatureParameters parameters) throws IOException { PdfStamper stp = prepareStamper(pdfData, new ByteArrayOutputStream(), parameters); PdfSignatureAppearance sap = stp.getSignatureAppearance(); MessageDigest md;// w w w .java 2s .c om try { md = MessageDigest.getInstance(parameters.getDigestAlgorithm().getName()); } catch (NoSuchAlgorithmException e) { throw new RuntimeException("No " + parameters.getDigestAlgorithm().getName() + " on this JRE!"); } InputStream s = sap.getRangeStream(); int read = 0; byte[] buff = new byte[8192]; while ((read = s.read(buff, 0, 8192)) > 0) { md.update(buff, 0, read); } byte[] digest = md.digest(); return digest; }
From source file:eu.europa.ec.markt.dss.signature.pdf.itext.ITextPDFDocTimeSampService.java
License:Open Source License
@Override public void sign(InputStream pdfData, byte[] signatureValue, OutputStream signedStream, SignatureParameters parameters) throws IOException { try {/* w ww .j ava2 s. co m*/ PdfStamper stp = prepareStamper(pdfData, signedStream, parameters); PdfSignatureAppearance sap = stp.getSignatureAppearance(); byte[] pk = signatureValue; int csize = getSignatureSize(); byte[] outc = new byte[csize]; PdfDictionary dic2 = new PdfDictionary(); System.arraycopy(pk, 0, outc, 0, pk.length); dic2.put(PdfName.CONTENTS, new PdfString(outc).setHexWriting(true)); sap.close(dic2); } catch (DocumentException e) { throw new IOException(e); } }
From source file:eu.europa.ec.markt.dss.signature.pdf.itext.ITextPDFSignatureService.java
License:Open Source License
@SuppressWarnings({ "unchecked", "rawtypes" })
private PdfStamper prepareStamper(InputStream pdfData, OutputStream output, SignatureParameters parameters)
throws IOException, DocumentException {
PdfReader reader = new PdfReader(pdfData);
PdfStamper stp = PdfStamper.createSignature(reader, output, '\0', null, true);
PdfSignatureAppearance sap = stp.getSignatureAppearance();
sap.setAcro6Layers(true);//from w w w . j a v a2s . c o m
sap.setRender(PdfSignatureAppearance.SignatureRenderDescription);
PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("ETSI.CAdES.detached"));
Calendar cal = Calendar.getInstance();
cal.setTime(parameters.getSigningDate());
sap.setSignDate(cal);
dic.setDate(new PdfDate(cal));
if (parameters.getReason() != null) {
dic.setReason(parameters.getReason());
}
if (parameters.getLocation() != null) {
dic.setLocation(parameters.getLocation());
}
if (parameters.getContactInfo() != null) {
dic.setContact(parameters.getContactInfo());
}
sap.setCryptoDictionary(dic);
int csize = getSignatureSize();
HashMap exc = new HashMap();
exc.put(PdfName.CONTENTS, new Integer(csize * 2 + 2));
sap.preClose(exc);
return stp;
}
From source file:eu.europa.ec.markt.dss.signature.pdf.itext.ITextPDFSignatureService.java
License:Open Source License
@Override public byte[] digest(InputStream pdfData, SignatureParameters parameters) throws IOException { try {//w w w . j a va 2 s . com PdfStamper stp = prepareStamper(pdfData, new ByteArrayOutputStream(), parameters); PdfSignatureAppearance sap = stp.getSignatureAppearance(); MessageDigest md; try { md = MessageDigest.getInstance(parameters.getDigestAlgorithm().getName()); } catch (NoSuchAlgorithmException e) { throw new RuntimeException("No " + parameters.getDigestAlgorithm().getName() + " on this JRE!"); } InputStream s = sap.getRangeStream(); int read = 0; byte[] buff = new byte[8192]; while ((read = s.read(buff, 0, 8192)) > 0) { md.update(buff, 0, read); } byte[] digest = md.digest(); return digest; } catch (DocumentException e) { throw new IOException(e); } }
From source file:eu.europa.ec.markt.dss.signature.pdf.ITextPDFDocTimeSampService.java
License:Open Source License
@SuppressWarnings({ "unchecked", "rawtypes" })
private PdfStamper prepareStamper(InputStream pdfData, OutputStream output, SignatureParameters parameters)
throws IOException, DocumentException {
PdfReader reader = new PdfReader(pdfData);
PdfStamper stp = PdfStamper.createSignature(reader, output, '\0', null, true);
PdfSignatureAppearance sap = stp.getSignatureAppearance();
sap.setAcro6Layers(true);/* w w w . j av a 2s . c om*/
sap.setRender(PdfSignatureAppearance.SignatureRenderDescription);
PdfSignature dic = new PdfSignature(PdfName.ADOBE_PPKLITE, new PdfName("ETSI.RFC3161"));
// defined in ETSI TS 102 778-4 A.2
dic.put(PdfName.TYPE, new PdfName("DocTimeStamp"));
Calendar cal = Calendar.getInstance();
if (parameters.getSigningDate() != null) {
cal.setTime(parameters.getSigningDate());
sap.setSignDate(cal);
}
dic.setDate(new PdfDate(cal));
sap.setCryptoDictionary(dic);
int csize = getSignatureSize();
HashMap exc = new HashMap();
exc.put(PdfName.CONTENTS, new Integer(csize * 2 + 2));
sap.preClose(exc);
return stp;
}
From source file:eu.europa.ec.markt.dss.signature.pdf.ITextPDFDocTimeSampService.java
License:Open Source License
@Override public byte[] digest(InputStream pdfData, SignatureParameters parameters) throws IOException, DocumentException { PdfStamper stp = prepareStamper(pdfData, new ByteArrayOutputStream(), parameters); PdfSignatureAppearance sap = stp.getSignatureAppearance(); MessageDigest md;/* ww w. ja va2 s . co m*/ try { md = MessageDigest.getInstance(parameters.getDigestAlgorithm().getName()); } catch (NoSuchAlgorithmException e) { throw new RuntimeException("No " + parameters.getDigestAlgorithm().getName() + " on this JRE!"); } InputStream s = sap.getRangeStream(); int read = 0; byte[] buff = new byte[8192]; while ((read = s.read(buff, 0, 8192)) > 0) { md.update(buff, 0, read); } byte[] digest = md.digest(); return digest; }
From source file:eu.europa.ec.markt.dss.signature.pdf.ITextPDFDocTimeSampService.java
License:Open Source License
@Override public void sign(InputStream pdfData, byte[] signatureValue, OutputStream signedStream, SignatureParameters parameters) throws IOException, DocumentException { PdfStamper stp = prepareStamper(pdfData, signedStream, parameters); PdfSignatureAppearance sap = stp.getSignatureAppearance(); byte[] pk = signatureValue; int csize = getSignatureSize(); byte[] outc = new byte[csize]; PdfDictionary dic2 = new PdfDictionary(); System.arraycopy(pk, 0, outc, 0, pk.length); dic2.put(PdfName.CONTENTS, new PdfString(outc).setHexWriting(true)); sap.close(dic2);//ww w. j a v a2 s . c o m }
From source file:eu.europa.ec.markt.dss.signature.pdf.StatefulITextPDFSignatureService.java
License:Open Source License
@Override public byte[] digest(InputStream pdfData, SignatureParameters parameters) throws IOException, DocumentException { if (digest != null) { return digest; }//from ww w .j a v a2s . c o m out = new ByteArrayOutputStream(); PdfStamper stp = prepareStamper(pdfData, out, parameters); PdfSignatureAppearance sap = stp.getSignatureAppearance(); MessageDigest md; try { md = MessageDigest.getInstance(parameters.getDigestAlgorithm().getName()); } catch (NoSuchAlgorithmException e) { throw new RuntimeException("No " + parameters.getDigestAlgorithm().getName() + " on this JRE!"); } InputStream s = sap.getRangeStream(); int read = 0; byte[] buff = new byte[8192]; while ((read = s.read(buff, 0, 8192)) > 0) { md.update(buff, 0, read); } digest = md.digest(); return digest; }