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author | Andreas Fitzek <andreas.fitzek@iaik.tugraz.at> | 2015-06-24 08:49:11 +0200 |
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committer | Andreas Fitzek <andreas.fitzek@iaik.tugraz.at> | 2015-06-24 08:49:11 +0200 |
commit | 9df2f4a373320cc619ce35a83b288890fc416185 (patch) | |
tree | 2212b9886142c9fba829320b2eb88b942ffef44c | |
parent | 599252325696f6e807b9e0c1e890f71656ed0fa2 (diff) | |
download | pdf-as-4-9df2f4a373320cc619ce35a83b288890fc416185.tar.gz pdf-as-4-9df2f4a373320cc619ce35a83b288890fc416185.tar.bz2 pdf-as-4-9df2f4a373320cc619ce35a83b288890fc416185.zip |
PDFA, output intents will be always overwritten, with packaged
-rw-r--r-- | pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java | 188 |
1 files changed, 128 insertions, 60 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 index cacd39c0..b0de9c3d 100644 --- 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 @@ -36,6 +36,7 @@ import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Calendar; +import java.util.Iterator; import java.util.List; import org.apache.commons.io.IOUtils; @@ -44,6 +45,8 @@ import org.apache.pdfbox.cos.COSBase; import org.apache.pdfbox.cos.COSDictionary; import org.apache.pdfbox.cos.COSInteger; import org.apache.pdfbox.cos.COSName; +import org.apache.pdfbox.cos.COSObject; +import org.apache.pdfbox.cos.COSStream; import org.apache.pdfbox.cos.COSString; import org.apache.pdfbox.exceptions.COSVisitorException; import org.apache.pdfbox.exceptions.SignatureException; @@ -111,7 +114,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { PDFASSignatureInterface genericSigner) throws PdfAsException { String fisTmpFile = null; - PDFAsVisualSignatureProperties properties=null; + PDFAsVisualSignatureProperties properties = null; if (!(genericPdfObject instanceof PDFBOXObject)) { // tODO: @@ -160,8 +163,8 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { logger.debug("Placeholder Profile set to: " + signaturePlaceholderData.getProfile()); requestedSignature - .setSignatureProfileID(signaturePlaceholderData - .getProfile()); + .setSignatureProfileID(signaturePlaceholderData + .getProfile()); } tablePos = signaturePlaceholderData.getTablePos(); @@ -321,8 +324,8 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { requestedSignature.setSignaturePosition(position); - properties = new PDFAsVisualSignatureProperties( - pdfObject.getStatus().getSettings(), pdfObject, + properties = new PDFAsVisualSignatureProperties(pdfObject + .getStatus().getSettings(), pdfObject, (PdfBoxVisualObject) visualObject, positioningInstruction, signatureProfileSettings); @@ -356,7 +359,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { logger.info("Placeholder name: " + signaturePlaceholderData - .getPlaceholderName()); + .getPlaceholderName()); COSDictionary xobjectsDictionary = (COSDictionary) page .findResources().getCOSDictionary() .getDictionaryObject(COSName.XOBJECT); @@ -364,10 +367,10 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { .getPlaceholderName(), img); xobjectsDictionary.setNeedToBeUpdate(true); page.findResources().getCOSObject() - .setNeedToBeUpdate(true); + .setNeedToBeUpdate(true); logger.info("Placeholder name: " + signaturePlaceholderData - .getPlaceholderName()); + .getPlaceholderName()); } finally { IOUtils.closeQuietly(is); } @@ -377,7 +380,51 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { PDDocumentCatalog root = doc.getDocumentCatalog(); COSBase base = root.getCOSDictionary().getItem( COSName.OUTPUT_INTENTS); - if (base == null) { + + boolean sRGBFound = false; + + /* + if (base != null) { + if (base instanceof COSArray) { + List<PDOutputIntent> outputIntents = root + .getOutputIntent(); + Iterator<PDOutputIntent> outputIterator = outputIntents + .iterator(); + while (outputIterator.hasNext()) { + PDOutputIntent ouputIntent = outputIterator + .next(); + if ("sRGB IEC61966-2.1".equals(ouputIntent + .getInfo())) { + sRGBFound = true; + break; + } + } + } else if (base instanceof COSObject && ((COSObject)base).getObject() instanceof COSArray) { + COSArray array = (COSArray)((COSObject)base).getObject(); + Iterator<COSBase> cosIterator = array.iterator(); + while(cosIterator.hasNext()) { + COSBase oiBase = cosIterator.next(); + PDOutputIntent oi = new PDOutputIntent((COSDictionary) oiBase); + if ("sRGB IEC61966-2.1".equals(oi + .getInfo())) { + sRGBFound = true; + break; + } + } + } else { + try { + PDOutputIntent oi = new PDOutputIntent((COSDictionary) base); + if ("sRGB IEC61966-2.1".equals(oi + .getInfo())) { + sRGBFound = true; + } + } catch(Throwable e){ + logger.warn("Failed to check existing Output Intent in PDF-A document"); + } + } + }*/ + + if (!sRGBFound) { InputStream colorProfile = null; try { colorProfile = PDDocumentCatalog.class @@ -390,8 +437,26 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { oi.setOutputCondition("sRGB IEC61966-2.1"); oi.setOutputConditionIdentifier("sRGB IEC61966-2.1"); oi.setRegistryName("http://www.color.org"); - - root.addOutputIntent(oi); + List<PDOutputIntent> intents = new ArrayList<PDOutputIntent>(); + intents.add(oi); + root.setOutputIntents(intents); + /*if (base != null) { + if (base instanceof COSObject && ((COSObject)base).getObject() instanceof COSArray) { + COSArray array = (COSArray)((COSObject)base).getObject(); + array.clear(); + array.add(oi); + array.setNeedToBeUpdate(true); + } else if (!(base instanceof COSArray)) { + // Need to convert Output Intent from base object to array + //PDOutputIntent existingOI = new PDOutputIntent((COSDictionary)base); + COSArray array = new COSArray(); + //array.add(existingOI); + array.add(oi); + root.getCOSDictionary().setItem(COSName.OUTPUT_INTENTS, array); + } + } else { + root.addOutputIntent(oi); + }*/ root.getCOSObject().setNeedToBeUpdate(true); logger.info("added Output Intent"); } catch (Throwable e) { @@ -405,8 +470,6 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { } } - - options.setPage(positioningInstruction.getPage()); options.setVisualSignature(properties.getVisibleSignature()); } @@ -426,18 +489,18 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { PDAcroForm acroFormm = doc.getDocumentCatalog().getAcroForm(); - // PDStructureTreeRoot pdstRoot = doc.getDocumentCatalog().getStructureTreeRoot(); - // COSDictionary dic = doc.getDocumentCatalog().getCOSDictionary(); - // PDStructureElement el = new PDStructureElement("Widget", pdstRoot); - - + // 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) { @@ -446,7 +509,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { if (tmpSigField.getSignature() != null && tmpSigField.getSignature() - .getDictionary() != null) { + .getDictionary() != null) { if (tmpSigField .getSignature() .getDictionary() @@ -464,11 +527,12 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { } if (signatureField != null) { - signatureField.setPartialName(sigFieldName); + signatureField.setPartialName(sigFieldName); } - if(properties!=null){ - signatureField.setAlternateFieldName(properties.getAlternativeTableCaption()); - }else{ + if (properties != null) { + signatureField.setAlternateFieldName(properties + .getAlternativeTableCaption()); + } else { signatureField.setAlternateFieldName(sigFieldName); } } else { @@ -477,35 +541,37 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { // PDF-UA logger.info("Adding pdf/ua content."); - try{ + try { PDDocumentCatalog root = doc.getDocumentCatalog(); PDStructureTreeRoot treeRoot = root.getStructureTreeRoot(); logger.info("Tree Root: {}", treeRoot.toString()); List<Object> kids = treeRoot.getKids(); - if(kids==null){ + 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; + for (Object k : kids) { + if (k instanceof PDStructureElement) { + docElement = (PDStructureElement) k; break; - // if(((PDStructureElement) k).getStructureType().equals("Document")){ - // docElement=(PDStructureElement) k; - // } + // if(((PDStructureElement) + // k).getStructureType().equals("Document")){ + // docElement=(PDStructureElement) k; + // } } } PDStructureElement sigBlock = new PDStructureElement( "Form", docElement); - //create object dictionary and add as child element - COSDictionary objectdic= new COSDictionary(); + // create object dictionary and add as child element + COSDictionary objectdic = new COSDictionary(); objectdic.setName("Type", "OBJR"); - objectdic.setItem("Pg", signatureField.getWidget().getPage()); + objectdic.setItem("Pg", signatureField.getWidget() + .getPage()); objectdic.setItem("Obj", signatureField.getWidget()); List<Object> l = new ArrayList<Object>(); @@ -516,8 +582,10 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { sigBlock.setParent(docElement); docElement.appendKid(sigBlock); - //Create and add Attribute dictionary to mitigate PAC warning - COSDictionary sigBlockDic = (COSDictionary) sigBlock.getCOSObject(); + // Create and add Attribute dictionary to mitigate PAC + // warning + COSDictionary sigBlockDic = (COSDictionary) sigBlock + .getCOSObject(); COSDictionary sub = new COSDictionary(); sub.setName("O", "Layout"); @@ -525,30 +593,31 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { sigBlockDic.setItem(COSName.A, sub); sigBlockDic.setNeedToBeUpdate(true); - - //Modify number tree + // Modify number tree PDNumberTreeNode ntn = treeRoot.getParentTree(); - if(ntn==null){ + if (ntn == null) { ntn = new PDNumberTreeNode(objectdic, null); logger.info("No number-tree-node found!"); } - COSDictionary ntndic=ntn.getCOSDictionary(); - COSArray ntndicnumbersarray = (COSArray)ntndic.getDictionaryObject(COSName.NUMS); + COSDictionary ntndic = ntn.getCOSDictionary(); + COSArray ntndicnumbersarray = (COSArray) ntndic + .getDictionaryObject(COSName.NUMS); int arrindex = ntndicnumbersarray.size(); - int treeindex = arrindex/2; + int treeindex = arrindex / 2; ntndicnumbersarray.add(arrindex, COSInteger.get(treeindex)); - ntndicnumbersarray.add(arrindex+1, sigBlock.getCOSObject()); + ntndicnumbersarray.add(arrindex + 1, + sigBlock.getCOSObject()); treeRoot.setParentTree(ntn); - treeRoot.setParentTreeNextKey(treeindex+1); + treeRoot.setParentTreeNextKey(treeindex + 1); - //setStructureParent - PDAnnotationWidget widg=signatureField.getWidget(); + // setStructureParent + PDAnnotationWidget widg = signatureField.getWidget(); widg.setStructParent(treeindex); - //add the Tabs /S Element for Tabbing through annots + // add the Tabs /S Element for Tabbing through annots PDPage p = signatureField.getWidget().getPage(); p.getCOSDictionary().setName("Tabs", "S"); p.getCOSObject().setNeedToBeUpdate(true); @@ -559,12 +628,11 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { objectdic.getCOSObject().setNeedToBeUpdate(true); docElement.getCOSObject().setNeedToBeUpdate(true); - - }catch(Throwable e){ - if (signatureProfileSettings.isPDFUA()==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{ + } else { logger.info("Could not create PDF-UA conform signature"); } } @@ -661,7 +729,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { } } - if(fisTmpFile != null) { + if (fisTmpFile != null) { helper.deleteFile(fisTmpFile); } logger.debug("Signature done!"); @@ -710,7 +778,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { public Image generateVisibleSignaturePreview(SignParameter parameter, java.security.cert.X509Certificate cert, int resolution, OperationStatus status, RequestedSignature requestedSignature) - throws PDFASError { + throws PDFASError { try { PDFBOXObject pdfObject = (PDFBOXObject) status.getPdfObject(); @@ -766,7 +834,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { PDFAsVisualSignatureProperties properties = new PDFAsVisualSignatureProperties( pdfObject.getStatus().getSettings(), pdfObject, - (PdfBoxVisualObject) visualObject, positioningInstruction, + (PdfBoxVisualObject) visualObject, positioningInstruction, signatureProfileSettings); properties.buildSignature(); @@ -794,11 +862,11 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants { 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); + .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); |