Example usage for org.apache.pdfbox.pdmodel PDPage setResources

List of usage examples for org.apache.pdfbox.pdmodel PDPage setResources

Introduction

In this page you can find the example usage for org.apache.pdfbox.pdmodel PDPage setResources.

Prototype

public void setResources(PDResources resources) 

Source Link

Document

This will set the resources for this page.

Usage

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   ww  w  . j av  a 2s . c om*/

    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:/*from w w  w .  j  a v a  2 s  . c o m*/
        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:de.offis.health.icardea.cied.pdf.extractor.PDFApachePDFBoxExtractor.java

License:Apache License

@SuppressWarnings("unchecked")
public byte[] getPDFPages(int fromPageNumber, int toPageNumber) {
    ByteArrayOutputStream byteArrayOutputStream = null;
    boolean extractionSuccessful = false;

    if (pdfDocument != null) {
        int numberOfPages = getNumberOfPages();

        /*/*from   w  w w .j  ava2 s.co  m*/
         * Check if the given page numbers are in the allowed range.
         */
        if (fromPageNumber > 0 && fromPageNumber <= numberOfPages && toPageNumber > 0
                && toPageNumber <= numberOfPages) {
            /*
             * Now check if the given fromPageNumber is smaller
             * as the given toPageNumber. If not swap the numbers.
             */
            if (fromPageNumber > toPageNumber) {
                int tmpPageNumber = toPageNumber;
                toPageNumber = fromPageNumber;
                fromPageNumber = tmpPageNumber;
            }

            /*
             * Now extract the pages
             * 
             * NOTE
             * ====
             * Since Apache PDFBox v1.5.0 there exists the class
             * org.apache.pdfbox.util.PageExtractor
             */

            /*
            boolean isApachePageExtractorAvailable = false;
            Class<?> pageExtractorClass = null;
            try {
               pageExtractorClass = getClass().getClassLoader().loadClass("org.apache.pdfbox.util.PageExtractor");
               Constructor<?> pdfExtractConstructor = pageExtractorClass.getConstructor(PDDocument.class, int.class, int.class);
               Method pdfExtractMethod = pageExtractorClass.getMethod("extract");
               isApachePageExtractorAvailable = true;
            } catch (ClassNotFoundException ex) {
            } catch (SecurityException ex) {
            } catch (NoSuchMethodException ex) {
            }
            */

            try {
                PDDocument extractedDocumentPages = new PDDocument();
                extractedDocumentPages.setDocumentInformation(this.pdfDocument.getDocumentInformation());
                extractedDocumentPages.getDocumentCatalog()
                        .setViewerPreferences(this.pdfDocument.getDocumentCatalog().getViewerPreferences());

                List<PDPage> pages = (List<PDPage>) this.pdfDocument.getDocumentCatalog().getAllPages();
                int pageCounter = 1;
                for (PDPage page : pages) {
                    if (pageCounter >= fromPageNumber && pageCounter <= toPageNumber) {
                        PDPage importedPdfPage;
                        importedPdfPage = extractedDocumentPages.importPage(page);
                        importedPdfPage.setCropBox(page.findCropBox());
                        importedPdfPage.setMediaBox(page.findMediaBox());
                        importedPdfPage.setResources(page.findResources());
                        importedPdfPage.setRotation(page.findRotation());
                    }
                    pageCounter++;
                } // end for

                byteArrayOutputStream = new ByteArrayOutputStream();
                extractedDocumentPages.save(byteArrayOutputStream);
                extractedDocumentPages.close();
                extractionSuccessful = true;
            } catch (COSVisitorException ex) {
                // TODO: Create an own exception for PDF processing errors.
                logger.error("An exception occurred while extracting " + "pages from the input PDF file.", ex);
            } catch (IOException ex) {
                // TODO: Create an own exception for PDF processing errors.
                logger.error("An exception occurred while extracting " + "pages from the input PDF file.", ex);
            } finally {
                if (!extractionSuccessful) {
                    byteArrayOutputStream = null;
                }
            } // end try..catch..finally
        } // end if checking range of given pages
    } // end if (pdfDocument != null)

    if (byteArrayOutputStream != null) {
        return byteArrayOutputStream.toByteArray();
    }
    return null;
}

From source file:org.apache.fop.render.pdf.PageParentTreeFinderTestCase.java

License:Apache License

@Test
public void testNoparentTreePresent() throws IOException {
    PDPage srcPage = new PDPage();
    srcPage.getCOSObject().setItem(COSName.STRUCT_PARENTS, COSInteger.get(-1));
    PDResources res = new PDResources();
    srcPage.setResources(res);
    PageParentTreeFinder finder = new PageParentTreeFinder(srcPage);
    COSArray parentTree = finder.getPageParentTreeArray(null);
    int test = parentTree.size();
    Assert.assertEquals(test, 0);//from   ww  w . j  a v a 2  s. com
}

From source file:org.sejda.impl.pdfbox.component.PDDocumentHandler.java

License:Apache License

/**
 * Import an existing page to the underlying {@link PDDocument}
 * //from ww w. j  av a  2s  .c  o  m
 * @param page
 * @throws TaskIOException
 */
public void importPage(PDPage page) throws TaskIOException {
    PDPage imported;
    try {
        imported = document.importPage(page);
    } catch (IOException e) {
        throw new TaskIOException("An error occurred copying the page.", e);
    }
    imported.setCropBox(page.findCropBox());
    imported.setMediaBox(page.findMediaBox());
    imported.setResources(page.findResources());
    imported.setRotation(page.findRotation());
}

From source file:paper2ebook.Transformer.java

License:Apache License

/**
 * Output a PDF with as many pages as there are interesting areas in the
 * input document//from w  w  w  . j a  va2  s.c  o  m
 */
@Override
public PDDocument extract() throws IOException {
    PDDocument extractedDocument = new PDDocument();
    extractedDocument.setDocumentInformation(sourceDocument.getDocumentInformation());
    extractedDocument.getDocumentCatalog()
            .setViewerPreferences(sourceDocument.getDocumentCatalog().getViewerPreferences());

    @SuppressWarnings("unchecked")
    List<PDPage> pages = sourceDocument.getDocumentCatalog().getAllPages();
    int pageCounter = 1;
    for (PDPage page : pages) {
        if (pageCounter >= startPage && pageCounter <= endPage) {

            List<PDRectangle> zoomedFragments = getFragments(page);
            for (PDRectangle fragment : zoomedFragments) {
                PDPage outputPage = extractedDocument.importPage(page);
                outputPage.setCropBox(fragment);
                outputPage.setMediaBox(page.getMediaBox());
                outputPage.setResources(page.findResources());
                outputPage.setRotation(page.findRotation());

                // TODO: rotate the page in landscape mode is width > height
            }
        }
        pageCounter++;
    }
    return extractedDocument;
}

From source file:se.streamsource.streamflow.web.application.pdf.Underlay.java

License:Apache License

private void mergePage(COSArray array, PDPage page) {
    int layoutPageNum = pageCount % layoutPages.size();
    LayoutPage layoutPage = (LayoutPage) layoutPages.get(layoutPageNum);
    PDResources resources = page.findResources();
    if (resources == null) {
        resources = new PDResources();
        page.setResources(resources);
    }//ww w .j av a2 s.c o m
    COSDictionary docResDict = resources.getCOSDictionary();
    COSDictionary layoutResDict = layoutPage.res;

    mergeArray(COSName.PROC_SET, docResDict, layoutResDict);
    mergeDictionary(COSName.COLORSPACE, docResDict, layoutResDict, layoutPage.objectNameMap);
    mergeDictionary(COSName.FONT, docResDict, layoutResDict, layoutPage.objectNameMap);
    mergeDictionary(COSName.XOBJECT, docResDict, layoutResDict, layoutPage.objectNameMap);
    mergeDictionary(COSName.EXT_G_STATE, docResDict, layoutResDict, layoutPage.objectNameMap);

    array.add(0, layoutPage.contents);

}