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-rw-r--r--pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java188
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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 05:23:16 +0000