aboutsummaryrefslogtreecommitdiff
path: root/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
diff options
context:
space:
mode:
Diffstat (limited to 'pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java')
-rw-r--r--pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java855
1 files changed, 0 insertions, 855 deletions
diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
deleted file mode 100644
index 53eb9f80..00000000
--- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
+++ /dev/null
@@ -1,855 +0,0 @@
-/*******************************************************************************
- * <copyright> Copyright 2014 by E-Government Innovation Center EGIZ, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- ******************************************************************************/
-package at.gv.egiz.pdfas.lib.impl.signing.pdfbox;
-
-import iaik.x509.X509Certificate;
-
-import java.awt.Graphics2D;
-import java.awt.Image;
-import java.awt.image.BufferedImage;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.Calendar;
-import java.util.List;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.pdfbox.cos.COSArray;
-import org.apache.pdfbox.cos.COSBase;
-import org.apache.pdfbox.cos.COSDictionary;
-import org.apache.pdfbox.cos.COSDocument;
-import org.apache.pdfbox.cos.COSInteger;
-import org.apache.pdfbox.cos.COSName;
-import org.apache.pdfbox.cos.COSString;
-import org.apache.pdfbox.exceptions.COSVisitorException;
-import org.apache.pdfbox.exceptions.SignatureException;
-import org.apache.pdfbox.pdmodel.PDDocument;
-import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
-import org.apache.pdfbox.pdmodel.PDPage;
-import org.apache.pdfbox.pdmodel.PDPageNode;
-import org.apache.pdfbox.pdmodel.PDResources;
-import org.apache.pdfbox.pdmodel.common.PDNumberTreeNode;
-import org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure.PDStructureElement;
-import org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure.PDStructureTreeRoot;
-import org.apache.pdfbox.pdmodel.graphics.color.PDOutputIntent;
-import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg;
-import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
-import org.apache.pdfbox.pdmodel.interactive.digitalsignature.SignatureOptions;
-import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
-import org.apache.pdfbox.pdmodel.interactive.form.PDField;
-import org.apache.pdfbox.pdmodel.interactive.form.PDSignatureField;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import at.gv.egiz.pdfas.common.exceptions.PDFASError;
-import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
-import at.gv.egiz.pdfas.common.messages.MessageResolver;
-import at.gv.egiz.pdfas.common.settings.SignatureProfileSettings;
-import at.gv.egiz.pdfas.common.utils.StreamUtils;
-import at.gv.egiz.pdfas.common.utils.TempFileHelper;
-import at.gv.egiz.pdfas.lib.api.ByteArrayDataSource;
-import at.gv.egiz.pdfas.lib.api.IConfigurationConstants;
-import at.gv.egiz.pdfas.lib.api.sign.IPlainSigner;
-import at.gv.egiz.pdfas.lib.api.sign.SignParameter;
-import at.gv.egiz.pdfas.lib.impl.ErrorExtractor;
-import at.gv.egiz.pdfas.lib.impl.SignaturePositionImpl;
-import at.gv.egiz.pdfas.lib.impl.configuration.SignatureProfileConfiguration;
-import at.gv.egiz.pdfas.lib.impl.pdfbox.PDFBOXObject;
-import at.gv.egiz.pdfas.lib.impl.pdfbox.positioning.Positioning;
-import at.gv.egiz.pdfas.lib.impl.pdfbox.utils.PdfBoxUtils;
-import at.gv.egiz.pdfas.lib.impl.placeholder.PlaceholderFilter;
-import at.gv.egiz.pdfas.lib.impl.placeholder.SignaturePlaceholderData;
-import at.gv.egiz.pdfas.lib.impl.signing.IPdfSigner;
-import at.gv.egiz.pdfas.lib.impl.signing.PDFASSignatureExtractor;
-import at.gv.egiz.pdfas.lib.impl.signing.PDFASSignatureInterface;
-import at.gv.egiz.pdfas.lib.impl.stamping.IPDFStamper;
-import at.gv.egiz.pdfas.lib.impl.stamping.IPDFVisualObject;
-import at.gv.egiz.pdfas.lib.impl.stamping.TableFactory;
-import at.gv.egiz.pdfas.lib.impl.stamping.ValueResolver;
-import at.gv.egiz.pdfas.lib.impl.stamping.pdfbox.PDFAsVisualSignatureProperties;
-import at.gv.egiz.pdfas.lib.impl.stamping.pdfbox.PdfBoxVisualObject;
-import at.gv.egiz.pdfas.lib.impl.stamping.pdfbox.StamperFactory;
-import at.gv.egiz.pdfas.lib.impl.status.OperationStatus;
-import at.gv.egiz.pdfas.lib.impl.status.PDFObject;
-import at.gv.egiz.pdfas.lib.impl.status.RequestedSignature;
-import at.knowcenter.wag.egov.egiz.pdf.PositioningInstruction;
-import at.knowcenter.wag.egov.egiz.pdf.TablePos;
-import at.knowcenter.wag.egov.egiz.table.Table;
-
-public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
-
- private static final Logger logger = LoggerFactory.getLogger(PADESPDFBOXSigner.class);
-
- public void signPDF(PDFObject genericPdfObject, RequestedSignature requestedSignature,
- PDFASSignatureInterface genericSigner) throws PdfAsException {
- String fisTmpFile = null;
-
- 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 = null;
- 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);
- }
-
- doc = pdfObject.getDocument();
-
- SignaturePlaceholderData signaturePlaceholderData = PlaceholderFilter
- .checkPlaceholderSignatureLocation(pdfObject.getStatus(), pdfObject.getStatus().getSettings(), null);
-
- 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);
- signature.setSignDate(Calendar.getInstance());
- 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.info("Creating visual siganture 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) {
- 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);
-
- // set need to update indirect fields array in acro form
- COSDictionary trailer = doc.getDocument().getTrailer();
- COSDictionary troot = (COSDictionary) trailer
- .getDictionaryObject(COSName.ROOT);
- COSDictionary acroForm = (COSDictionary) troot
- .getDictionaryObject(COSName.ACRO_FORM);
- COSArray tfields = (COSArray) acroForm
- .getDictionaryObject(COSName.FIELDS);
- if(!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();
-
- // 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().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");
- }
- }
-
- if (requestedSignature.isVisual()) {
-
- // if(requestedSignature.getSignaturePosition().)
- /*
- * PDAcroForm acroForm =
- * doc.getDocumentCatalog().getAcroForm(); if (acroForm !=
- * null) {
- *
- * @SuppressWarnings("unchecked") List<PDField> fields =
- * acroForm.getFields(); PDSignatureField signatureField =
- * null;
- *
- * if (fields != null) { for (PDField pdField : fields) { if
- * (pdField instanceof PDSignatureField) { if
- * (((PDSignatureField) pdField).getSignature()
- * .getDictionary() .equals(signature.getDictionary())) {
- * signatureField = (PDSignatureField) pdField; } } } } else
- * { logger.warn(
- * "Failed to apply rotation! [Cannot find Field list in acroForm!]"
- * ); }
- *
- * if (signatureField != null) { if
- * (signatureField.getWidget() != null) { if
- * (signatureField.getWidget()
- * .getAppearanceCharacteristics() == null) {
- * PDAppearanceCharacteristicsDictionary dict = new
- * PDAppearanceCharacteristicsDictionary( new
- * COSDictionary()); signatureField.getWidget()
- * .setAppearanceCharacteristics(dict); }
- *
- * if (signatureField.getWidget()
- * .getAppearanceCharacteristics() != null) {
- * signatureField.getWidget()
- * .getAppearanceCharacteristics() .setRotation(90); } } }
- * else { logger.warn(
- * "Failed to apply rotation! [Cannot find signature Field!]"
- * ); } } else { logger.warn(
- * "Failed to apply rotation! [Cannot find acroForm!]" ); }
- */
- }
-
- 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);
- }
-
- 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);
- }
- System.gc();
- } catch (IOException e) {
- logger.warn(MessageResolver.resolveMessage("error.pdf.sig.01"), e);
- throw new PdfAsException("error.pdf.sig.01", e);
- } catch (SignatureException e) {
- logger.warn(MessageResolver.resolveMessage("error.pdf.sig.01"), e);
- throw new PdfAsException("error.pdf.sig.01", e);
- } catch (COSVisitorException 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
- }
- }
-
- if (fisTmpFile != null) {
- helper.deleteFile(fisTmpFile);
- }
- logger.debug("Signature done!");
-
- }
- }
-
- @Override
- public PDFObject buildPDFObject(OperationStatus operationStatus) {
- return new PDFBOXObject(operationStatus);
- }
-
- @Override
- public PDFASSignatureInterface buildSignaturInterface(IPlainSigner signer, SignParameter parameters,
- RequestedSignature requestedSignature) {
- return new PdfboxSignerWrapper(signer, parameters, requestedSignature);
- }
-
- @Override
- public PDFASSignatureExtractor buildBlindSignaturInterface(X509Certificate certificate, String filter,
- String subfilter, Calendar date) {
- return new SignatureDataExtractor(certificate, filter, subfilter, date);
- }
-
- @Override
- public void checkPDFPermissions(PDFObject genericPdfObject) throws PdfAsException {
- if (!(genericPdfObject instanceof PDFBOXObject)) {
- // tODO:
- throw new PdfAsException();
- }
-
- PDFBOXObject pdfObject = (PDFBOXObject) genericPdfObject;
- PdfBoxUtils.checkPDFPermissions(pdfObject.getDocument());
- }
-
- @Override
- public byte[] rewritePlainSignature(byte[] plainSignature) {
- String signature = new COSString(plainSignature).getHexString();
- byte[] pdfSignature = signature.getBytes();
- return pdfSignature;
- }
-
- @Override
- public Image generateVisibleSignaturePreview(SignParameter parameter, java.security.cert.X509Certificate cert,
- int resolution, OperationStatus status, RequestedSignature requestedSignature) throws PDFASError {
- try {
- PDFBOXObject pdfObject = (PDFBOXObject) status.getPdfObject();
-
- PDDocument origDoc = new PDDocument();
- origDoc.addPage(new PDPage(PDPage.PAGE_SIZE_A4));
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- origDoc.save(baos);
- baos.close();
-
- pdfObject.setOriginalDocument(new ByteArrayDataSource(baos.toByteArray()));
-
- SignatureProfileSettings signatureProfileSettings = TableFactory
- .createProfile(requestedSignature.getSignatureProfileID(), pdfObject.getStatus().getSettings());
-
- // 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);
-
- SignatureProfileConfiguration signatureProfileConfiguration = pdfObject.getStatus()
- .getSignatureProfileConfiguration(requestedSignature.getSignatureProfileID());
-
- String signaturePosString = signatureProfileConfiguration.getDefaultPositioning();
- PositioningInstruction positioningInstruction = null;
- if (signaturePosString != null) {
- positioningInstruction = Positioning.determineTablePositioning(new TablePos(signaturePosString), "",
- origDoc, visualObject, false, false);
- } else {
- positioningInstruction = Positioning.determineTablePositioning(new TablePos(), "", origDoc,
- visualObject, false, false);
- }
-
- origDoc.close();
-
- 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);
-
- PDFAsVisualSignatureProperties properties = new PDFAsVisualSignatureProperties(
- pdfObject.getStatus().getSettings(), pdfObject, (PdfBoxVisualObject) visualObject,
- positioningInstruction, signatureProfileSettings);
-
- properties.buildSignature();
- PDDocument visualDoc;
- synchronized (PDDocument.class) {
- visualDoc = PDDocument.load(properties.getVisibleSignature());
- }
- // PDPageable pageable = new PDPageable(visualDoc);
- List<PDPage> pages = new ArrayList<PDPage>();
- visualDoc.getDocumentCatalog().getPages().getAllKids(pages);
-
- PDPage firstPage = pages.get(0);
-
- float stdRes = 72;
- float targetRes = resolution;
- float factor = targetRes / stdRes;
-
- BufferedImage outputImage = firstPage.convertToImage(BufferedImage.TYPE_4BYTE_ABGR, (int) targetRes);
-
- BufferedImage cutOut = new BufferedImage((int) (position.getWidth() * factor),
- (int) (position.getHeight() * factor), BufferedImage.TYPE_4BYTE_ABGR);
-
- Graphics2D graphics = (Graphics2D) cutOut.getGraphics();
-
- graphics.drawImage(outputImage, 0, 0, cutOut.getWidth(), cutOut.getHeight(), (int) (1 * factor),
- (int) (outputImage.getHeight() - ((position.getHeight() + 1) * factor)),
- (int) ((1 + position.getWidth()) * factor), (int) (outputImage.getHeight()
- - ((position.getHeight() + 1) * factor) + (position.getHeight() * factor)),
- null);
- return cutOut;
- } catch (PdfAsException e) {
- logger.warn("PDF-AS Exception", e);
- throw ErrorExtractor.searchPdfAsError(e, status);
- } catch (Throwable e) {
- logger.warn("Unexpected Throwable Exception", e);
- throw ErrorExtractor.searchPdfAsError(e, status);
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-05 05:57:44 +0000