List of usage examples for org.apache.pdfbox.cos COSName getPDFName
public static COSName getPDFName(String aName)
From source file:ShowSignature.java
License:Apache License
private void showSignature(String[] args) throws IOException, CertificateException { if (args.length != 2) { usage();// w w w . j a v a 2s . c om } else { String password = args[0]; String infile = args[1]; PDDocument document = null; try { document = PDDocument.load(new File(infile), password); if (!document.isEncrypted()) { System.err.println("Warning: Document is not encrypted."); } COSDictionary trailer = document.getDocument().getTrailer(); COSDictionary root = (COSDictionary) trailer.getDictionaryObject(COSName.ROOT); COSDictionary acroForm = (COSDictionary) root.getDictionaryObject(COSName.ACRO_FORM); COSArray fields = (COSArray) acroForm.getDictionaryObject(COSName.FIELDS); for (int i = 0; i < fields.size(); i++) { COSDictionary field = (COSDictionary) fields.getObject(i); COSName type = field.getCOSName(COSName.FT); if (COSName.SIG.equals(type)) { COSDictionary cert = (COSDictionary) field.getDictionaryObject(COSName.V); if (cert != null) { System.out.println("Certificate found"); System.out.println("Name=" + cert.getDictionaryObject(COSName.NAME)); System.out.println("Modified=" + cert.getDictionaryObject(COSName.M)); COSName subFilter = (COSName) cert.getDictionaryObject(COSName.SUB_FILTER); if (subFilter != null) { if (subFilter.getName().equals("adbe.x509.rsa_sha1")) { COSString certString = (COSString) cert .getDictionaryObject(COSName.getPDFName("Cert")); byte[] certData = certString.getBytes(); CertificateFactory factory = CertificateFactory.getInstance("X.509"); ByteArrayInputStream certStream = new ByteArrayInputStream(certData); Collection<? extends Certificate> certs = factory .generateCertificates(certStream); System.out.println("certs=" + certs); } else if (subFilter.getName().equals("adbe.pkcs7.sha1")) { COSString certString = (COSString) cert.getDictionaryObject(COSName.CONTENTS); byte[] certData = certString.getBytes(); CertificateFactory factory = CertificateFactory.getInstance("X.509"); ByteArrayInputStream certStream = new ByteArrayInputStream(certData); Collection<? extends Certificate> certs = factory .generateCertificates(certStream); System.out.println("certs=" + certs); } else { System.err.println("Unknown certificate type:" + subFilter); } } else { throw new IOException("Missing subfilter for cert dictionary"); } } else { System.out.println("Signature found, but no certificate"); } } } } finally { if (document != null) { document.close(); } } } }
From source file:at.gv.egiz.pdfas.lib.impl.signing.pdfbox.LTVEnabledPADESPDFBOXSigner.java
License:EUPL
/** * Adds the DSS dictionary as specified in <a href= * "http://www.etsi.org/deliver/etsi_ts%5C102700_102799%5C10277804%5C01.01.02_60%5Cts_10277804v010102p.pdf">PAdES * ETSI TS 102 778-4 v1.1.2, Annex A, "LTV extensions"</a>. * * @param pdDocument/* ww w .ja v a 2s . co m*/ * The pdf document (required; must not be {@code null}). * @param ltvVerificationInfo * The certificate verification info data (required; must not be {@code null}). * @throws CertificateEncodingException * In case of an error encoding certificates. * @throws IOException * In case there was an error adding a pdf stream to the document. * @throws CRLException * In case there was an error encoding CRL data. */ private void addDSS(PDDocument pdDocument, CertificateVerificationData ltvVerificationInfo) throws CertificateEncodingException, IOException, CRLException { final COSName COSNAME_DSS = COSName.getPDFName("DSS"); PDDocumentCatalog root = Objects.requireNonNull(pdDocument).getDocumentCatalog(); COSDictionary dssDictionary = (COSDictionary) root.getCOSDictionary().getDictionaryObject(COSNAME_DSS); if (dssDictionary == null) { log.trace("Adding new DSS dictionary."); // add new DSS dictionary dssDictionary = new COSDictionary(); root.getCOSDictionary().setItem(COSNAME_DSS, dssDictionary); root.getCOSObject().setNeedToBeUpdate(true); } dssDictionary.setNeedToBeUpdate(true); // DSS/Certs addDSSCerts(pdDocument, dssDictionary, ltvVerificationInfo.getChainCerts()); // DSS/OCSPs if (CollectionUtils.isNotEmpty(ltvVerificationInfo.getEncodedOCSPResponses())) { addDSSOCSPs(pdDocument, dssDictionary, ltvVerificationInfo.getEncodedOCSPResponses()); } // DSS/CRLs if (CollectionUtils.isNotEmpty(ltvVerificationInfo.getCRLs())) { addDSSCRLs(pdDocument, dssDictionary, ltvVerificationInfo.getCRLs()); } }
From source file:at.gv.egiz.pdfas.lib.impl.signing.pdfbox.LTVEnabledPADESPDFBOXSigner.java
License:EUPL
/** * Adds the "Certs" dictionary to DSS dictionary as specified in <a href= * "http://www.etsi.org/deliver/etsi_ts%5C102700_102799%5C10277804%5C01.01.02_60%5Cts_10277804v010102p.pdf">PAdES * ETSI TS 102 778-4 v1.1.2, Annex A, "LTV extensions"</a>. * * @param pdDocument//from www. j a va 2s . co m * The pdf document (required; must not be {@code null}). * @param dssDictionary * The DSS dictionary (required; must not be {@code null}). * @param certificates * The certificates (required; must not be {@code null}). * @throws IOException * In case there was an error adding a pdf stream to the document. * @throws CertificateEncodingException * In case of an error encoding certificates. */ private void addDSSCerts(PDDocument pdDocument, COSDictionary dssDictionary, Iterable<X509Certificate> certificates) throws IOException, CertificateEncodingException { final COSName COSNAME_CERTS = COSName.getPDFName("Certs"); COSArray certsArray = (COSArray) Objects.requireNonNull(dssDictionary).getDictionaryObject(COSNAME_CERTS); if (certsArray == null) { // add new "Certs" array log.trace("Adding new DSS/Certs dictionary."); // "An array of (indirect references to) streams, each containing one BER-encoded X.509 certificate (see RFC 5280 [7])" certsArray = new COSArray(); dssDictionary.setItem(COSNAME_CERTS, certsArray); } certsArray.setNeedToBeUpdate(true); // add BER-encoded X.509 certificates log.trace("Adding certificates to DSS/Certs dictionary."); for (X509Certificate certificate : certificates) { log.trace("Adding certificate for subject: {}", certificate.getSubjectDN()); try (InputStream in = new ByteArrayInputStream(certificate.getEncoded())) { PDStream pdStream = new PDStream(pdDocument, in); pdStream.addCompression(); certsArray.add(pdStream); } } }
From source file:at.gv.egiz.pdfas.lib.impl.signing.pdfbox.LTVEnabledPADESPDFBOXSigner.java
License:EUPL
/** * Adds the "OCSPs" dictionary to DSS dictionary as specified in <a href= * "http://www.etsi.org/deliver/etsi_ts%5C102700_102799%5C10277804%5C01.01.02_60%5Cts_10277804v010102p.pdf">PAdES * ETSI TS 102 778-4 v1.1.2, Annex A, "LTV extensions"</a>. * * @param pdDocument//from www.j a va 2 s . c o m * The pdf document (required; must not be {@code null}). * @param dssDictionary * The DSS dictionary (required; must not be {@code null}). * @param encodedOcspResponses * The encoded OCSP responses (required; must not be {@code null}). * @throws IOException * In case there was an error adding a pdf stream to the document. */ private void addDSSOCSPs(PDDocument pdDocument, COSDictionary dssDictionary, Iterable<byte[]> encodedOcspResponses) throws IOException { final COSName COSNAME_OCSPS = COSName.getPDFName("OCSPs"); COSArray ocspssArray = (COSArray) Objects.requireNonNull(dssDictionary).getDictionaryObject(COSNAME_OCSPS); if (ocspssArray == null) { log.trace("Adding new DSS/OCSPs dictionary."); // add "OCSPs" array // "An array of (indirect references to) streams, each containing a BER-encoded Online Certificate Status Protocol (OCSP) response (see RFC 2560 [8])." ocspssArray = new COSArray(); dssDictionary.setItem(COSNAME_OCSPS, ocspssArray); } ocspssArray.setNeedToBeUpdate(true); for (byte[] encodedOcspResponse : encodedOcspResponses) { try (InputStream in = new ByteArrayInputStream(encodedOcspResponse)) { PDStream pdStream = new PDStream(pdDocument, in); pdStream.addCompression(); ocspssArray.add(pdStream); } } }
From source file:at.gv.egiz.pdfas.lib.impl.signing.pdfbox.LTVEnabledPADESPDFBOXSigner.java
License:EUPL
/** * Adds the "CRLs" dictionary to DSS dictionary as specified in <a href= * "http://www.etsi.org/deliver/etsi_ts%5C102700_102799%5C10277804%5C01.01.02_60%5Cts_10277804v010102p.pdf">PAdES * ETSI TS 102 778-4 v1.1.2, Annex A, "LTV extensions"</a>. * * @param pdDocument//from w ww . ja v a 2s.c o m * The pdf document (required; must not be {@code null}). * @param dssDictionary * The DSS dictionary (required; must not be {@code null}). * @param crls * The CRLs (required; must not be {@code null}). * @throws IOException * In case there was an error adding a pdf stream to the document. * @throws CRLException * In case there was an error encoding CRL data. */ private void addDSSCRLs(PDDocument pdDocument, COSDictionary dssDictionary, Iterable<X509CRL> crls) throws IOException, CRLException { final COSName COSNAME_CRLS = COSName.getPDFName("CRLs"); COSArray crlsArray = (COSArray) Objects.requireNonNull(dssDictionary).getDictionaryObject(COSNAME_CRLS); if (crlsArray == null) { log.trace("Adding new DSS/CRLs dictionary."); // add "CRLs" array // "An array of (indirect references to) streams, each containing a BER-encoded Certificate Revocation List (CRL) (see RFC 5280 [7])." crlsArray = new COSArray(); dssDictionary.setItem(COSNAME_CRLS, crlsArray); } crlsArray.setNeedToBeUpdate(true); for (X509CRL crl : crls) { try (InputStream in = new ByteArrayInputStream(crl.getEncoded())) { PDStream pdStream = new PDStream(pdDocument, in); pdStream.addCompression(); crlsArray.add(pdStream); } } }
From source file:at.gv.egiz.pdfas.lib.impl.signing.pdfbox.PADESPDFBOXSigner.java
License:EUPL
public void signPDF(PDFObject genericPdfObject, RequestedSignature requestedSignature, PDFASSignatureInterface genericSigner) throws PdfAsException { String fisTmpFile = null;//from w ww.ja v a 2 s . com PDFAsVisualSignatureProperties properties = null; if (!(genericPdfObject instanceof PDFBOXObject)) { // tODO: throw new PdfAsException(); } PDFBOXObject pdfObject = (PDFBOXObject) genericPdfObject; if (!(genericSigner instanceof PDFASPDFBOXSignatureInterface)) { // tODO: throw new PdfAsException(); } PDFASPDFBOXSignatureInterface signer = (PDFASPDFBOXSignatureInterface) genericSigner; TempFileHelper helper = pdfObject.getStatus().getTempFileHelper(); PDDocument doc = pdfObject.getDocument(); SignatureOptions options = new SignatureOptions(); COSDocument visualSignatureDocumentGuard = null; try { fisTmpFile = helper.getStaticFilename(); FileOutputStream tmpOutputStream = null; try { // write to temporary file tmpOutputStream = new FileOutputStream(new File(fisTmpFile)); InputStream tmpis = null; try { tmpis = pdfObject.getOriginalDocument().getInputStream(); IOUtils.copy(tmpis, tmpOutputStream); tmpis.close(); } finally { IOUtils.closeQuietly(tmpis); } SignaturePlaceholderData signaturePlaceholderData = PlaceholderFilter .checkPlaceholderSignature(pdfObject.getStatus(), pdfObject.getStatus().getSettings()); TablePos tablePos = null; if (signaturePlaceholderData != null) { // Placeholder found! logger.info("Placeholder data found."); if (signaturePlaceholderData.getProfile() != null) { logger.debug("Placeholder Profile set to: " + signaturePlaceholderData.getProfile()); requestedSignature.setSignatureProfileID(signaturePlaceholderData.getProfile()); } tablePos = signaturePlaceholderData.getTablePos(); if (tablePos != null) { SignatureProfileConfiguration signatureProfileConfiguration = pdfObject.getStatus() .getSignatureProfileConfiguration(requestedSignature.getSignatureProfileID()); float minWidth = signatureProfileConfiguration.getMinWidth(); if (minWidth > 0) { if (tablePos.getWidth() < minWidth) { tablePos.width = minWidth; logger.debug("Correcting placeholder with to minimum width {}", minWidth); } } logger.debug("Placeholder Position set to: " + tablePos.toString()); } } PDSignature signature = new PDSignature(); signature.setFilter(COSName.getPDFName(signer.getPDFFilter())); // default // filter signature.setSubFilter(COSName.getPDFName(signer.getPDFSubFilter())); SignatureProfileSettings signatureProfileSettings = TableFactory.createProfile( requestedSignature.getSignatureProfileID(), pdfObject.getStatus().getSettings()); ValueResolver resolver = new ValueResolver(requestedSignature, pdfObject.getStatus()); String signerName = resolver.resolve("SIG_SUBJECT", signatureProfileSettings.getValue("SIG_SUBJECT"), signatureProfileSettings); signature.setName(signerName); // take signing time from provided signer... signature.setSignDate(signer.getSigningDate()); // ...and update operation status in order to use exactly this date for the complete signing process requestedSignature.getStatus().setSigningDate(signer.getSigningDate()); String signerReason = signatureProfileSettings.getSigningReason(); if (signerReason == null) { signerReason = "PAdES Signature"; } signature.setReason(signerReason); logger.debug("Signing reason: " + signerReason); logger.debug("Signing @ " + signer.getSigningDate().getTime().toString()); // the signing date, needed for valid signature // signature.setSignDate(signer.getSigningDate()); signer.setPDSignature(signature); int signatureSize = 0x1000; try { String reservedSignatureSizeString = signatureProfileSettings.getValue(SIG_RESERVED_SIZE); if (reservedSignatureSizeString != null) { signatureSize = Integer.parseInt(reservedSignatureSizeString); } logger.debug("Reserving {} bytes for signature", signatureSize); } catch (NumberFormatException e) { logger.warn("Invalid configuration value: {} should be a number using 0x1000", SIG_RESERVED_SIZE); } options.setPreferedSignatureSize(signatureSize); // Is visible Signature if (requestedSignature.isVisual()) { logger.debug("Creating visual signature block"); SignatureProfileConfiguration signatureProfileConfiguration = pdfObject.getStatus() .getSignatureProfileConfiguration(requestedSignature.getSignatureProfileID()); if (tablePos == null) { // ================================================================ // PositioningStage (visual) -> find position or use // fixed // position String posString = pdfObject.getStatus().getSignParamter().getSignaturePosition(); TablePos signaturePos = null; String signaturePosString = signatureProfileConfiguration.getDefaultPositioning(); if (signaturePosString != null) { logger.debug("using signature Positioning: " + signaturePos); signaturePos = new TablePos(signaturePosString); } logger.debug("using Positioning: " + posString); if (posString != null) { // Merge Signature Position tablePos = new TablePos(posString, signaturePos); } else { // Fallback to signature Position! tablePos = signaturePos; } if (tablePos == null) { // Last Fallback default position tablePos = new TablePos(); } } boolean legacy32Position = signatureProfileConfiguration.getLegacy32Positioning(); boolean legacy40Position = signatureProfileConfiguration.getLegacy40Positioning(); // create Table describtion Table main = TableFactory.createSigTable(signatureProfileSettings, MAIN, pdfObject.getStatus(), requestedSignature); IPDFStamper stamper = StamperFactory.createDefaultStamper(pdfObject.getStatus().getSettings()); IPDFVisualObject visualObject = stamper.createVisualPDFObject(pdfObject, main); /* * PDDocument originalDocument = PDDocument .load(new * ByteArrayInputStream(pdfObject.getStatus() * .getPdfObject().getOriginalDocument())); */ PositioningInstruction positioningInstruction = Positioning.determineTablePositioning(tablePos, "", doc, visualObject, legacy32Position, legacy40Position); logger.debug("Positioning: {}", positioningInstruction.toString()); if (positioningInstruction.isMakeNewPage()) { int last = doc.getNumberOfPages() - 1; PDDocumentCatalog root = doc.getDocumentCatalog(); PDPageNode rootPages = root.getPages(); List<PDPage> kids = new ArrayList<PDPage>(); rootPages.getAllKids(kids); PDPage lastPage = kids.get(last); rootPages.getCOSObject().setNeedToBeUpdate(true); PDPage p = new PDPage(lastPage.findMediaBox()); p.setResources(new PDResources()); p.setRotation(lastPage.findRotation()); doc.addPage(p); } // handle rotated page PDDocumentCatalog documentCatalog = doc.getDocumentCatalog(); PDPageNode documentPages = documentCatalog.getPages(); List<PDPage> documentPagesKids = new ArrayList<PDPage>(); documentPages.getAllKids(documentPagesKids); int targetPageNumber = positioningInstruction.getPage(); logger.debug("Target Page: " + targetPageNumber); // rootPages.getAllKids(kids); PDPage targetPage = documentPagesKids.get(targetPageNumber - 1); int rot = targetPage.findRotation(); logger.debug("Page rotation: " + rot); // positioningInstruction.setRotation(positioningInstruction.getRotation() // + rot); logger.debug("resulting Sign rotation: " + positioningInstruction.getRotation()); SignaturePositionImpl position = new SignaturePositionImpl(); position.setX(positioningInstruction.getX()); position.setY(positioningInstruction.getY()); position.setPage(positioningInstruction.getPage()); position.setHeight(visualObject.getHeight()); position.setWidth(visualObject.getWidth()); requestedSignature.setSignaturePosition(position); properties = new PDFAsVisualSignatureProperties(pdfObject.getStatus().getSettings(), pdfObject, (PdfBoxVisualObject) visualObject, positioningInstruction, signatureProfileSettings); properties.buildSignature(); /* * ByteArrayOutputStream sigbos = new * ByteArrayOutputStream(); * sigbos.write(StreamUtils.inputStreamToByteArray * (properties .getVisibleSignature())); sigbos.close(); */ if (signaturePlaceholderData != null) { // Placeholder found! // replace placeholder InputStream is = null; try { is = PADESPDFBOXSigner.class.getResourceAsStream("/placeholder/empty.jpg"); PDJpeg img = new PDJpeg(doc, is); img.getCOSObject().setNeedToBeUpdate(true); PDDocumentCatalog root = doc.getDocumentCatalog(); PDPageNode rootPages = root.getPages(); List<PDPage> kids = new ArrayList<PDPage>(); rootPages.getAllKids(kids); int pageNumber = positioningInstruction.getPage(); // rootPages.getAllKids(kids); PDPage page = kids.get(pageNumber - 1); logger.info("Placeholder name: " + signaturePlaceholderData.getPlaceholderName()); COSDictionary xobjectsDictionary = (COSDictionary) page.findResources() .getCOSDictionary().getDictionaryObject(COSName.XOBJECT); xobjectsDictionary.setItem(signaturePlaceholderData.getPlaceholderName(), img); xobjectsDictionary.setNeedToBeUpdate(true); page.findResources().getCOSObject().setNeedToBeUpdate(true); logger.info("Placeholder name: " + signaturePlaceholderData.getPlaceholderName()); } finally { IOUtils.closeQuietly(is); } } if (signatureProfileSettings.isPDFA()) { PDDocumentCatalog root = doc.getDocumentCatalog(); COSBase base = root.getCOSDictionary().getItem(COSName.OUTPUT_INTENTS); if (base == null) { InputStream colorProfile = null; try { colorProfile = PDDocumentCatalog.class .getResourceAsStream("/icm/sRGB Color Space Profile.icm"); try { PDOutputIntent oi = new PDOutputIntent(doc, colorProfile); oi.setInfo("sRGB IEC61966-2.1"); oi.setOutputCondition("sRGB IEC61966-2.1"); oi.setOutputConditionIdentifier("sRGB IEC61966-2.1"); oi.setRegistryName("http://www.color.org"); root.addOutputIntent(oi); root.getCOSObject().setNeedToBeUpdate(true); logger.info("added Output Intent"); } catch (Throwable e) { throw new PdfAsException("Failed to add Output Intent", e); } } finally { IOUtils.closeQuietly(colorProfile); } } } options.setPage(positioningInstruction.getPage()); options.setVisualSignature(properties.getVisibleSignature()); } visualSignatureDocumentGuard = options.getVisualSignature(); doc.addSignature(signature, signer, options); // set need to update indirect fields array in acro form COSDictionary trailer = doc.getDocument().getTrailer(); if (trailer != null) { COSDictionary troot = (COSDictionary) trailer.getDictionaryObject(COSName.ROOT); if (troot != null) { COSDictionary acroForm = (COSDictionary) troot.getDictionaryObject(COSName.ACRO_FORM); if (acroForm != null) { COSArray tfields = (COSArray) acroForm.getDictionaryObject(COSName.FIELDS); if (tfields != null && !tfields.isDirect()) { tfields.setNeedToBeUpdate(true); } } } } String sigFieldName = signatureProfileSettings.getSignFieldValue(); if (sigFieldName == null) { sigFieldName = "PDF-AS Signatur"; } int count = PdfBoxUtils.countSignatures(doc, sigFieldName); sigFieldName = sigFieldName + count; PDAcroForm acroFormm = doc.getDocumentCatalog().getAcroForm(); PDSignatureField signatureField = null; if (acroFormm != null) { @SuppressWarnings("unchecked") List<PDField> fields = acroFormm.getFields(); if (fields != null) { for (PDField pdField : fields) { if (pdField != null) { if (pdField instanceof PDSignatureField) { PDSignatureField tmpSigField = (PDSignatureField) pdField; if (tmpSigField.getSignature() != null && tmpSigField.getSignature().getDictionary() != null) { if (tmpSigField.getSignature().getDictionary() .equals(signature.getDictionary())) { signatureField = (PDSignatureField) pdField; } } } } } } else { logger.warn("Failed to name Signature Field! [Cannot find Field list in acroForm!]"); } if (signatureField != null) { signatureField.setPartialName(sigFieldName); } if (properties != null) { signatureField.setAlternateFieldName(properties.getAlternativeTableCaption()); } else { signatureField.setAlternateFieldName(sigFieldName); } } else { logger.warn("Failed to name Signature Field! [Cannot find acroForm!]"); } // PDF-UA logger.info("Adding pdf/ua content."); try { PDDocumentCatalog root = doc.getDocumentCatalog(); PDStructureTreeRoot structureTreeRoot = root.getStructureTreeRoot(); if (structureTreeRoot != null) { logger.info("Tree Root: {}", structureTreeRoot.toString()); List<Object> kids = structureTreeRoot.getKids(); if (kids == null) { logger.info("No kid-elements in structure tree Root, maybe not PDF/UA document"); } PDStructureElement docElement = null; for (Object k : kids) { if (k instanceof PDStructureElement) { docElement = (PDStructureElement) k; break; } } PDStructureElement sigBlock = new PDStructureElement("Form", docElement); // create object dictionary and add as child element COSDictionary objectDic = new COSDictionary(); objectDic.setName("Type", "OBJR"); objectDic.setItem("Pg", signatureField.getWidget().getPage()); objectDic.setItem("Obj", signatureField.getWidget()); List<Object> l = new ArrayList<Object>(); l.add(objectDic); sigBlock.setKids(l); sigBlock.setPage(signatureField.getWidget().getPage()); sigBlock.setTitle("Signature Table"); sigBlock.setParent(docElement); docElement.appendKid(sigBlock); // Create and add Attribute dictionary to mitigate PAC // warning COSDictionary sigBlockDic = (COSDictionary) sigBlock.getCOSObject(); COSDictionary sub = new COSDictionary(); sub.setName("O", "Layout"); sub.setName("Placement", "Block"); sigBlockDic.setItem(COSName.A, sub); sigBlockDic.setNeedToBeUpdate(true); // Modify number tree PDNumberTreeNode ntn = structureTreeRoot.getParentTree(); int parentTreeNextKey = structureTreeRoot.getParentTreeNextKey(); if (ntn == null) { ntn = new PDNumberTreeNode(objectDic, null); logger.info("No number-tree-node found!"); } COSArray ntnKids = (COSArray) ntn.getCOSDictionary().getDictionaryObject(COSName.KIDS); COSArray ntnNumbers = (COSArray) ntn.getCOSDictionary().getDictionaryObject(COSName.NUMS); if (ntnNumbers == null && ntnKids != null) {//no number array, so continue with the kids array //create dictionary with limits and nums array COSDictionary pTreeEntry = new COSDictionary(); COSArray limitsArray = new COSArray(); //limits for exact one entry limitsArray.add(COSInteger.get(parentTreeNextKey)); limitsArray.add(COSInteger.get(parentTreeNextKey)); COSArray numsArray = new COSArray(); numsArray.add(COSInteger.get(parentTreeNextKey)); numsArray.add(sigBlock); pTreeEntry.setItem(COSName.NUMS, numsArray); pTreeEntry.setItem(COSName.LIMITS, limitsArray); PDNumberTreeNode newKidsElement = new PDNumberTreeNode(pTreeEntry, PDNumberTreeNode.class); ntnKids.add(newKidsElement); ntnKids.setNeedToBeUpdate(true); //working // List<PDNumberTreeNode> treeRootKids = structureTreeRoot.getParentTree().getKids(); // PDNumberTreeNode last = (PDNumberTreeNode)treeRootKids.get(treeRootKids.size()-1); // COSArray lim1 = (COSArray) last.getCOSDictionary().getDictionaryObject(COSName.LIMITS); // lim1.remove(1); // lim1.add(1, COSInteger.get(parentTreeNextKey)); // PDNumberTreeNode verylast = (PDNumberTreeNode)last.getKids().get(last.getKids().size()-1); // COSArray numa = (COSArray) verylast.getCOSDictionary().getDictionaryObject(COSName.NUMS); // COSArray lim = (COSArray) verylast.getCOSDictionary().getDictionaryObject(COSName.LIMITS); // lim.remove(1); // lim.add(1, COSInteger.get(parentTreeNextKey)); // // int size = numa.size(); // numa.add(size, COSInteger.get(parentTreeNextKey)); // numa.add(sigBlock); //working end } else if (ntnNumbers != null && ntnKids == null) { int arrindex = ntnNumbers.size(); ntnNumbers.add(arrindex, COSInteger.get(parentTreeNextKey)); ntnNumbers.add(arrindex + 1, sigBlock.getCOSObject()); ntnNumbers.getCOSObject().setNeedToBeUpdate(true); structureTreeRoot.setParentTree(ntn); } else if (ntnNumbers == null && ntnKids == null) { //document is not pdfua conform before signature creation throw new PdfAsException("error.pdf.sig.pdfua.1"); } else { //this is not allowed throw new PdfAsException("error.pdf.sig.pdfua.1"); } // set StructureParent for signature field annotation signatureField.getWidget().setStructParent(parentTreeNextKey); //Increase the next Key value in the structure tree root structureTreeRoot.setParentTreeNextKey(parentTreeNextKey + 1); // add the Tabs /S Element for Tabbing through annots PDPage p = signatureField.getWidget().getPage(); p.getCOSDictionary().setName("Tabs", "S"); p.getCOSObject().setNeedToBeUpdate(true); //check alternative signature field name if (signatureField != null) { if (signatureField.getAlternateFieldName().equals("")) signatureField.setAlternateFieldName(sigFieldName); } ntn.getCOSDictionary().setNeedToBeUpdate(true); sigBlock.getCOSObject().setNeedToBeUpdate(true); structureTreeRoot.getCOSObject().setNeedToBeUpdate(true); objectDic.getCOSObject().setNeedToBeUpdate(true); docElement.getCOSObject().setNeedToBeUpdate(true); } } catch (Throwable e) { if (signatureProfileSettings.isPDFUA() == true) { logger.error("Could not create PDF-UA conform document!"); throw new PdfAsException("error.pdf.sig.pdfua.1", e); } else { logger.info("Could not create PDF-UA conform signature"); } } try { applyFilter(doc, requestedSignature); } catch (PDFASError e) { throw new PdfAsErrorCarrier(e); } FileInputStream tmpFileIs = null; try { tmpFileIs = new FileInputStream(new File(fisTmpFile)); synchronized (doc) { doc.saveIncremental(tmpFileIs, tmpOutputStream); } tmpFileIs.close(); } finally { IOUtils.closeQuietly(tmpFileIs); if (options != null) { if (options.getVisualSignature() != null) { options.getVisualSignature().close(); } } } tmpOutputStream.flush(); tmpOutputStream.close(); } finally { IOUtils.closeQuietly(tmpOutputStream); COSDocument visualSignature = options.getVisualSignature(); if (visualSignature != null) { visualSignature.close(); } } FileInputStream readReadyFile = null; try { readReadyFile = new FileInputStream(new File(fisTmpFile)); // write to resulting output stream // ByteArrayOutputStream bos = new ByteArrayOutputStream(); // bos.write(); // bos.close(); pdfObject.setSignedDocument(StreamUtils.inputStreamToByteArray(readReadyFile)); readReadyFile.close(); } finally { IOUtils.closeQuietly(readReadyFile); } } catch (IOException e) { logger.info(MessageResolver.resolveMessage("error.pdf.sig.01") + ": {}", e.toString()); throw new PdfAsException("error.pdf.sig.01", e); } catch (SignatureException e) { logger.info(MessageResolver.resolveMessage("error.pdf.sig.01") + ": {}", e.toString()); throw new PdfAsException("error.pdf.sig.01", e); } catch (COSVisitorException e) { logger.info(MessageResolver.resolveMessage("error.pdf.sig.01") + ": {}", e.toString()); throw new PdfAsException("error.pdf.sig.01", e); } finally { if (doc != null) { try { doc.close(); } catch (IOException e) { logger.debug("Failed to close COS Doc!", e); // Ignore } } if (fisTmpFile != null) { helper.deleteFile(fisTmpFile); } logger.debug("Signature done!"); } }
From source file:at.gv.egiz.pdfas.lib.impl.signing.pdfbox2.PADESPDFBOXSigner.java
License:EUPL
public void signPDF(PDFObject genericPdfObject, RequestedSignature requestedSignature, PDFASSignatureInterface genericSigner) throws PdfAsException { //String fisTmpFile = null; PDFAsVisualSignatureProperties properties = null; if (!(genericPdfObject instanceof PDFBOXObject)) { // tODO:// w w w . j a va 2 s. c om throw new PdfAsException(); } PDFBOXObject pdfObject = (PDFBOXObject) genericPdfObject; if (!(genericSigner instanceof PDFASPDFBOXSignatureInterface)) { // tODO: throw new PdfAsException(); } PDFASPDFBOXSignatureInterface signer = (PDFASPDFBOXSignatureInterface) genericSigner; String pdfaVersion = null; PDDocument doc = null; SignatureOptions options = new SignatureOptions(); COSDocument visualSignatureDocumentGuard = null; try { doc = pdfObject.getDocument(); SignaturePlaceholderData signaturePlaceholderData = PlaceholderFilter .checkPlaceholderSignature(pdfObject.getStatus(), pdfObject.getStatus().getSettings()); TablePos tablePos = null; if (signaturePlaceholderData != null) { // Placeholder found! logger.info("Placeholder data found."); if (signaturePlaceholderData.getProfile() != null) { logger.debug("Placeholder Profile set to: " + signaturePlaceholderData.getProfile()); requestedSignature.setSignatureProfileID(signaturePlaceholderData.getProfile()); } tablePos = signaturePlaceholderData.getTablePos(); if (tablePos != null) { SignatureProfileConfiguration signatureProfileConfiguration = pdfObject.getStatus() .getSignatureProfileConfiguration(requestedSignature.getSignatureProfileID()); float minWidth = signatureProfileConfiguration.getMinWidth(); if (minWidth > 0) { if (tablePos.getWidth() < minWidth) { tablePos.width = minWidth; logger.debug("Correcting placeholder with to minimum width {}", minWidth); } } logger.debug("Placeholder Position set to: " + tablePos.toString()); } } PDSignature signature = new PDSignature(); signature.setFilter(COSName.getPDFName(signer.getPDFFilter())); // default // filter signature.setSubFilter(COSName.getPDFName(signer.getPDFSubFilter())); SignatureProfileSettings signatureProfileSettings = TableFactory .createProfile(requestedSignature.getSignatureProfileID(), pdfObject.getStatus().getSettings()); /* * Check if input document is PDF-A conform * if (signatureProfileSettings.isPDFA()) { // TODO: run preflight parser runPDFAPreflight(pdfObject.getOriginalDocument()); } */ ValueResolver resolver = new ValueResolver(requestedSignature, pdfObject.getStatus()); String signerName = resolver.resolve("SIG_SUBJECT", signatureProfileSettings.getValue("SIG_SUBJECT"), signatureProfileSettings); signature.setName(signerName); // take signing time from provided signer... signature.setSignDate(signer.getSigningDate()); // ...and update operation status in order to use exactly this date for the complete signing process requestedSignature.getStatus().setSigningDate(signer.getSigningDate()); String signerReason = signatureProfileSettings.getSigningReason(); if (signerReason == null) { signerReason = "PAdES Signature"; } signature.setReason(signerReason); logger.debug("Signing reason: " + signerReason); logger.debug("Signing @ " + signer.getSigningDate().getTime().toString()); // the signing date, needed for valid signature // signature.setSignDate(signer.getSigningDate()); signer.setPDSignature(signature); int signatureSize = 0x1000; try { String reservedSignatureSizeString = signatureProfileSettings.getValue(SIG_RESERVED_SIZE); if (reservedSignatureSizeString != null) { signatureSize = Integer.parseInt(reservedSignatureSizeString); } logger.debug("Reserving {} bytes for signature", signatureSize); } catch (NumberFormatException e) { logger.warn("Invalid configuration value: {} should be a number using 0x1000", SIG_RESERVED_SIZE); } options.setPreferredSignatureSize(signatureSize); if (signatureProfileSettings.isPDFA() || signatureProfileSettings.isPDFA3()) { pdfaVersion = getPDFAVersion(doc); signatureProfileSettings.setPDFAVersion(pdfaVersion); } // Is visible Signature if (requestedSignature.isVisual()) { logger.debug("Creating visual signature block"); SignatureProfileConfiguration signatureProfileConfiguration = pdfObject.getStatus() .getSignatureProfileConfiguration(requestedSignature.getSignatureProfileID()); if (tablePos == null) { // ================================================================ // PositioningStage (visual) -> find position or use // fixed // position String posString = pdfObject.getStatus().getSignParamter().getSignaturePosition(); TablePos signaturePos = null; String signaturePosString = signatureProfileConfiguration.getDefaultPositioning(); if (signaturePosString != null) { logger.debug("using signature Positioning: " + signaturePos); signaturePos = new TablePos(signaturePosString); } logger.debug("using Positioning: " + posString); if (posString != null) { // Merge Signature Position tablePos = new TablePos(posString, signaturePos); } else { // Fallback to signature Position! tablePos = signaturePos; } if (tablePos == null) { // Last Fallback default position tablePos = new TablePos(); } } //Legacy Modes not supported with pdfbox2 anymore // boolean legacy32Position = signatureProfileConfiguration.getLegacy32Positioning(); // boolean legacy40Position = signatureProfileConfiguration.getLegacy40Positioning(); // create Table describtion Table main = TableFactory.createSigTable(signatureProfileSettings, MAIN, pdfObject.getStatus(), requestedSignature); IPDFStamper stamper = StamperFactory.createDefaultStamper(pdfObject.getStatus().getSettings()); IPDFVisualObject visualObject = stamper.createVisualPDFObject(pdfObject, main); /* * PDDocument originalDocument = PDDocument .load(new * ByteArrayInputStream(pdfObject.getStatus() * .getPdfObject().getOriginalDocument())); */ PositioningInstruction positioningInstruction = Positioning.determineTablePositioning(tablePos, "", doc, visualObject, pdfObject.getStatus().getSettings()); logger.debug("Positioning: {}", positioningInstruction.toString()); if (positioningInstruction.isMakeNewPage()) { int last = doc.getNumberOfPages() - 1; PDDocumentCatalog root = doc.getDocumentCatalog(); PDPage lastPage = root.getPages().get(last); root.getPages().getCOSObject().setNeedToBeUpdated(true); PDPage p = new PDPage(lastPage.getMediaBox()); p.setResources(new PDResources()); p.setRotation(lastPage.getRotation()); doc.addPage(p); } // handle rotated page int targetPageNumber = positioningInstruction.getPage(); logger.debug("Target Page: " + targetPageNumber); PDPage targetPage = doc.getPages().get(targetPageNumber - 1); int rot = targetPage.getRotation(); logger.debug("Page rotation: " + rot); // positioningInstruction.setRotation(positioningInstruction.getRotation() // + rot); logger.debug("resulting Sign rotation: " + positioningInstruction.getRotation()); SignaturePositionImpl position = new SignaturePositionImpl(); position.setX(positioningInstruction.getX()); position.setY(positioningInstruction.getY()); position.setPage(positioningInstruction.getPage()); position.setHeight(visualObject.getHeight()); position.setWidth(visualObject.getWidth()); requestedSignature.setSignaturePosition(position); properties = new PDFAsVisualSignatureProperties(pdfObject.getStatus().getSettings(), pdfObject, (PdfBoxVisualObject) visualObject, positioningInstruction, signatureProfileSettings); properties.buildSignature(); /* * ByteArrayOutputStream sigbos = new * ByteArrayOutputStream(); * sigbos.write(StreamUtils.inputStreamToByteArray * (properties .getVisibleSignature())); sigbos.close(); */ if (signaturePlaceholderData != null) { // Placeholder found! // replace placeholder URL fileUrl = PADESPDFBOXSigner.class.getResource("/placeholder/empty.jpg"); PDImageXObject img = PDImageXObject.createFromFile(fileUrl.getPath(), doc); img.getCOSObject().setNeedToBeUpdated(true); // PDDocumentCatalog root = doc.getDocumentCatalog(); // PDPageNode rootPages = root.getPages(); // List<PDPage> kids = new ArrayList<PDPage>(); // rootPages.getAllKids(kids); int pageNumber = positioningInstruction.getPage(); PDPage page = doc.getPages().get(pageNumber - 1); logger.info("Placeholder name: " + signaturePlaceholderData.getPlaceholderName()); COSDictionary xobjectsDictionary = (COSDictionary) page.getResources().getCOSObject() .getDictionaryObject(COSName.XOBJECT); xobjectsDictionary.setItem(signaturePlaceholderData.getPlaceholderName(), img); xobjectsDictionary.setNeedToBeUpdated(true); page.getResources().getCOSObject().setNeedToBeUpdated(true); logger.info("Placeholder name: " + signaturePlaceholderData.getPlaceholderName()); } if (signatureProfileSettings.isPDFA() || signatureProfileSettings.isPDFA3()) { PDDocumentCatalog root = doc.getDocumentCatalog(); COSBase base = root.getCOSObject().getItem(COSName.OUTPUT_INTENTS); if (base == null) { InputStream colorProfile = null; try { colorProfile = PDDocumentCatalog.class .getResourceAsStream("/icm/sRGB Color Space Profile.icm"); try { PDOutputIntent oi = new PDOutputIntent(doc, colorProfile); oi.setInfo("sRGB IEC61966-2.1"); oi.setOutputCondition("sRGB IEC61966-2.1"); oi.setOutputConditionIdentifier("sRGB IEC61966-2.1"); oi.setRegistryName("http://www.color.org"); root.addOutputIntent(oi); root.getCOSObject().setNeedToBeUpdated(true); logger.info("added Output Intent"); } catch (Throwable e) { e.printStackTrace(); throw new PdfAsException("Failed to add Output Intent", e); } } finally { IOUtils.closeQuietly(colorProfile); } } } options.setPage(positioningInstruction.getPage()); options.setVisualSignature(properties.getVisibleSignature()); } visualSignatureDocumentGuard = options.getVisualSignature(); doc.addSignature(signature, signer, options); String sigFieldName = signatureProfileSettings.getSignFieldValue(); if (sigFieldName == null) { sigFieldName = "PDF-AS Signatur"; } int count = PdfBoxUtils.countSignatures(doc, sigFieldName); sigFieldName = sigFieldName + count; PDAcroForm acroFormm = doc.getDocumentCatalog().getAcroForm(); // PDStructureTreeRoot pdstRoot = // doc.getDocumentCatalog().getStructureTreeRoot(); // COSDictionary dic = // doc.getDocumentCatalog().getCOSDictionary(); // PDStructureElement el = new PDStructureElement("Widget", // pdstRoot); PDSignatureField signatureField = null; if (acroFormm != null) { @SuppressWarnings("unchecked") List<PDField> fields = acroFormm.getFields(); if (fields != null) { for (PDField pdField : fields) { if (pdField != null) { if (pdField instanceof PDSignatureField) { PDSignatureField tmpSigField = (PDSignatureField) pdField; if (tmpSigField.getSignature() != null && tmpSigField.getSignature().getCOSObject() != null) { if (tmpSigField.getSignature().getCOSObject() .equals(signature.getCOSObject())) { signatureField = (PDSignatureField) pdField; } } } } } } else { logger.warn("Failed to name Signature Field! [Cannot find Field list in acroForm!]"); } if (signatureField != null) { signatureField.setPartialName(sigFieldName); } if (properties != null) { signatureField.setAlternateFieldName(properties.getAlternativeTableCaption()); } else { signatureField.setAlternateFieldName(sigFieldName); } } else { logger.warn("Failed to name Signature Field! [Cannot find acroForm!]"); } // PDF-UA logger.info("Adding pdf/ua content."); try { PDDocumentCatalog root = doc.getDocumentCatalog(); PDStructureTreeRoot structureTreeRoot = root.getStructureTreeRoot(); if (structureTreeRoot != null) { logger.info("Tree Root: {}", structureTreeRoot.toString()); List<Object> kids = structureTreeRoot.getKids(); if (kids == null) { logger.info("No kid-elements in structure tree Root, maybe not PDF/UA document"); } PDStructureElement docElement = null; for (Object k : kids) { if (k instanceof PDStructureElement) { docElement = (PDStructureElement) k; break; } } PDStructureElement sigBlock = new PDStructureElement("Form", docElement); // create object dictionary and add as child element COSDictionary objectDic = new COSDictionary(); objectDic.setName("Type", "OBJR"); objectDic.setItem("Pg", signatureField.getWidget().getPage()); objectDic.setItem("Obj", signatureField.getWidget()); List<Object> l = new ArrayList<Object>(); l.add(objectDic); sigBlock.setKids(l); sigBlock.setPage(signatureField.getWidget().getPage()); sigBlock.setTitle("Signature Table"); sigBlock.setParent(docElement); docElement.appendKid(sigBlock); // Create and add Attribute dictionary to mitigate PAC // warning COSDictionary sigBlockDic = (COSDictionary) sigBlock.getCOSObject(); COSDictionary sub = new COSDictionary(); sub.setName("O", "Layout"); sub.setName("Placement", "Block"); sigBlockDic.setItem(COSName.A, sub); sigBlockDic.setNeedToBeUpdated(true); // Modify number tree PDNumberTreeNode ntn = structureTreeRoot.getParentTree(); int parentTreeNextKey = structureTreeRoot.getParentTreeNextKey(); if (ntn == null) { ntn = new PDNumberTreeNode(objectDic, null); logger.info("No number-tree-node found!"); } COSArray ntnKids = (COSArray) ntn.getCOSObject().getDictionaryObject(COSName.KIDS); COSArray ntnNumbers = (COSArray) ntn.getCOSObject().getDictionaryObject(COSName.NUMS); if (ntnNumbers == null && ntnKids != null) {//no number array, so continue with the kids array //create dictionary with limits and nums array COSDictionary pTreeEntry = new COSDictionary(); COSArray limitsArray = new COSArray(); //limits for exact one entry limitsArray.add(COSInteger.get(parentTreeNextKey)); limitsArray.add(COSInteger.get(parentTreeNextKey)); COSArray numsArray = new COSArray(); numsArray.add(COSInteger.get(parentTreeNextKey)); numsArray.add(sigBlock); pTreeEntry.setItem(COSName.NUMS, numsArray); pTreeEntry.setItem(COSName.LIMITS, limitsArray); PDNumberTreeNode newKidsElement = new PDNumberTreeNode(pTreeEntry, PDNumberTreeNode.class); ntnKids.add(newKidsElement); ntnKids.setNeedToBeUpdated(true); } else if (ntnNumbers != null && ntnKids == null) { int arrindex = ntnNumbers.size(); ntnNumbers.add(arrindex, COSInteger.get(parentTreeNextKey)); ntnNumbers.add(arrindex + 1, sigBlock.getCOSObject()); ntnNumbers.setNeedToBeUpdated(true); structureTreeRoot.setParentTree(ntn); } else if (ntnNumbers == null && ntnKids == null) { //document is not pdfua conform before signature creation throw new PdfAsException("error.pdf.sig.pdfua.1"); } else { //this is not allowed throw new PdfAsException("error.pdf.sig.pdfua.1"); } // set StructureParent for signature field annotation signatureField.getWidget().setStructParent(parentTreeNextKey); //Increase the next Key value in the structure tree root structureTreeRoot.setParentTreeNextKey(parentTreeNextKey + 1); // add the Tabs /S Element for Tabbing through annots PDPage p = signatureField.getWidget().getPage(); p.getCOSObject().setName("Tabs", "S"); p.getCOSObject().setNeedToBeUpdated(true); //check alternative signature field name if (signatureField != null) { if (signatureField.getAlternateFieldName().equals("")) signatureField.setAlternateFieldName(sigFieldName); } ntn.getCOSObject().setNeedToBeUpdated(true); sigBlock.getCOSObject().setNeedToBeUpdated(true); structureTreeRoot.getCOSObject().setNeedToBeUpdated(true); objectDic.setNeedToBeUpdated(true); docElement.getCOSObject().setNeedToBeUpdated(true); } } catch (Throwable e) { if (signatureProfileSettings.isPDFUA() == true) { logger.error("Could not create PDF-UA conform document!"); throw new PdfAsException("error.pdf.sig.pdfua.1", e); } else { logger.info("Could not create PDF-UA conform signature"); } } try { ByteArrayOutputStream bos = new ByteArrayOutputStream(); synchronized (doc) { doc.saveIncremental(bos); byte[] outputDocument = bos.toByteArray(); /* Check if resulting pdf is PDF-A conform */ //if (signatureProfileSettings.isPDFA()) { // // TODO: run preflight parser // runPDFAPreflight(outputDocument); //} pdfObject.setSignedDocument(outputDocument); } } finally { if (options != null) { if (options.getVisualSignature() != null) { options.getVisualSignature().close(); } } } System.gc(); } catch (IOException e) { logger.warn(MessageResolver.resolveMessage("error.pdf.sig.01"), e); throw new PdfAsException("error.pdf.sig.01", e); } finally { if (doc != null) { try { doc.close(); } catch (IOException e) { logger.debug("Failed to close COS Doc!", e); // Ignore } } logger.debug("Signature done!"); } }
From source file:at.gv.egiz.pdfas.lib.impl.stamping.pdfbox.PDFAsVisualSignatureBuilder.java
License:EUPL
@Override public void createProcSetArray() { COSArray procSetArr = new COSArray(); procSetArr.add(COSName.getPDFName("PDF")); procSetArr.add(COSName.getPDFName("Text")); procSetArr.add(COSName.getPDFName("ImageC")); procSetArr.add(COSName.getPDFName("ImageB")); procSetArr.add(COSName.getPDFName("ImageI")); getStructure().setProcSet(procSetArr); logger.debug("ProcSet array has been created"); }
From source file:at.gv.egiz.pdfas.lib.impl.stamping.pdfbox2.PDFAsVisualSignatureBuilder.java
License:EUPL
public void removeCidSet(PDDocument document) throws IOException { PDDocumentCatalog catalog = document.getDocumentCatalog(); COSName cidSet = COSName.getPDFName("CIDSet"); Iterator<PDPage> pdPageIterator = catalog.getPages().iterator(); while (pdPageIterator.hasNext()) { PDPage page = pdPageIterator.next(); Iterator<COSName> cosNameIterator = page.getResources().getFontNames().iterator(); while (cosNameIterator.hasNext()) { COSName fontName = cosNameIterator.next(); PDFont pdFont = page.getResources().getFont(fontName); if (pdFont instanceof PDType0Font) { PDType0Font typedFont = (PDType0Font) pdFont; if (typedFont.getDescendantFont() != null) { if (typedFont.getDescendantFont().getFontDescriptor() != null) { typedFont.getDescendantFont().getFontDescriptor().getCOSObject().removeItem(cidSet); }/*from w ww. j ava 2s .c om*/ } } } } }
From source file:com.esri.geoportal.commons.pdf.PdfUtils.java
License:Apache License
/** * Reads metadata values from a PDF file. * /*from ww w .j a va 2 s.c om*/ * @param rawBytes the PDF to read * @param defaultTitle title to be used if the PDF metadata doesn't have one * @param geometryServiceUrl url of a <a href="https://developers.arcgis.com/rest/services-reference/geometry-service.htm">geometry service</a> for reprojecting coordinates. * * @return metadata properties or null if the PDF cannot be read. * * @throws IOException on parsing error */ public static Properties readMetadata(byte[] rawBytes, String defaultTitle, String geometryServiceUrl) throws IOException { Properties ret = new Properties(); // Attempt to read in the PDF file try (PDDocument document = PDDocument.load(rawBytes)) { // See if we can read the PDF if (!document.isEncrypted()) { // Get document metadata PDDocumentInformation info = document.getDocumentInformation(); if (info != null) { if (info.getTitle() != null) { ret.put(PROP_TITLE, info.getTitle()); } else { ret.put(PROP_TITLE, defaultTitle); } if (info.getSubject() != null) { ret.put(PROP_SUBJECT, info.getSubject()); } else { StringBuilder psudoSubject = new StringBuilder(""); psudoSubject.append("\nAuthor: " + info.getAuthor()); psudoSubject.append("\nCreator: " + info.getCreator()); psudoSubject.append("\nProducer: " + info.getProducer()); ret.put(PROP_SUBJECT, psudoSubject.toString()); } if (info.getModificationDate() != null) { ret.put(PROP_MODIFICATION_DATE, info.getModificationDate().getTime()); } else { ret.put(PROP_MODIFICATION_DATE, info.getCreationDate().getTime()); } } else { LOG.warn("Got null metadata for PDF file"); return null; } // Attempt to read in geospatial PDF data COSObject measure = document.getDocument().getObjectByType(COSName.getPDFName("Measure")); String bBox = null; if (measure != null) { // This is a Geospatial PDF (i.e. Adobe's standard) COSDictionary dictionary = (COSDictionary) measure.getObject(); float[] coords = ((COSArray) dictionary.getItem("GPTS")).toFloatArray(); bBox = generateBbox(coords); } else { PDPage page = document.getPage(0); if (page.getCOSObject().containsKey(COSName.getPDFName("LGIDict"))) { // This is a GeoPDF (i.e. TerraGo's standard) bBox = extractGeoPDFProps(page, geometryServiceUrl); } } if (bBox != null) { ret.put(PROP_BBOX, bBox); } } else { LOG.warn("Cannot read encrypted PDF file"); return null; } } catch (IOException ex) { LOG.error("Exception reading PDF", ex); throw ex; } return ret; }