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path: root/pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java
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Diffstat (limited to 'pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java')
-rw-r--r--pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java94
1 files changed, 76 insertions, 18 deletions
diff --git a/pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java b/pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java
index 0a32d7a5..3cf0853f 100644
--- a/pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java
+++ b/pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java
@@ -64,6 +64,7 @@ import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDResources;
+import org.apache.pdfbox.pdmodel.common.COSObjectable;
import org.apache.pdfbox.pdmodel.common.PDMetadata;
import org.apache.pdfbox.pdmodel.common.PDNumberTreeNode;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
@@ -96,7 +97,10 @@ import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Calendar;
+import java.util.Collections;
+import java.util.LinkedHashMap;
import java.util.List;
+import java.util.Map;
public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
@@ -157,9 +161,11 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
signature.setFilter(COSName.getPDFName(signer.getPDFFilter()));
signature.setSubFilter(COSName.getPDFName(signer.getPDFSubFilter()));
- SignaturePlaceholderData signaturePlaceholderDataInit = PlaceholderFilter.checkPlaceholderSignatureLocation(pdfObject.getStatus(), pdfObject.getStatus().getSettings(), placeholder_id);
+// SignaturePlaceholderData signaturePlaceholderDataInit =
+ placeholders =PlaceholderFilter.checkPlaceholderSignatureLocationList(pdfObject.getStatus(),
+ pdfObject.getStatus().getSettings(), placeholder_id);
- placeholders = SignaturePlaceholderExtractor.getPlaceholders();
+// placeholders = SignaturePlaceholderExtractor.getPlaceholders();
availablePlaceholders = listAvailablePlaceholders(placeholders, existingSignatureLocations(doc));
@@ -211,15 +217,16 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
}
SignatureProfileSettings signatureProfileSettings = TableFactory
.createProfile(requestedSignature.getSignatureProfileID(), pdfObject.getStatus().getSettings());
- //Check if input document is PDF-A conform
+
+ //Check if input document is PDF-A conform
if (signatureProfileSettings.isPDFA()) {
DataSource origDoc = pdfObject.getOriginalDocument();
InputStream stream = origDoc.getInputStream();
//Run PreflightParser for checking conformity//
//runPDFAPreflight(origDoc);
}
-
ValueResolver resolver = new ValueResolver(requestedSignature, pdfObject.getStatus());
+
String signerName = resolver.resolve("SIG_SUBJECT", signatureProfileSettings.getValue("SIG_SUBJECT"),
signatureProfileSettings);
@@ -508,12 +515,13 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
}
}
-
+
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());
@@ -539,7 +547,6 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
// 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!");
@@ -547,9 +554,10 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
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
-
+
+ int parentTreeNextKey = getParentTreeNextKey(structureTreeRoot);
+
+ 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();
@@ -628,7 +636,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
byte[] outputDocument = bos.toByteArray();
pdfObject.setSignedDocument(outputDocument);
}
- /* Check if resulting pdf is PDF-A conform */
+ /* Check if resulting pdf is PDF-A conform */
if (signatureProfileSettings.isPDFA()) {
runPDFAPreflight(new ByteArrayDataSource(pdfObject.getSignedDocument()));
}
@@ -653,7 +661,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
if (doc != null) {
try {
doc.close();
- SignaturePlaceholderExtractor.getPlaceholders().clear();
+ //SignaturePlaceholderExtractor.getPlaceholders().clear();
} catch (IOException e) {
logger.debug("Failed to close COS Doc!", e);
// Ignore
@@ -663,7 +671,23 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
}
}
- /**
+ private int getParentTreeNextKey(PDStructureTreeRoot structureTreeRoot) throws IOException {
+ int nextKey = structureTreeRoot.getParentTreeNextKey();
+ if (nextKey < 0) {
+ Map<Integer, COSObjectable> destNumberTreeAsMap = getNumberTreeAsMap(structureTreeRoot.getParentTree());
+ if (destNumberTreeAsMap.isEmpty()) {
+ nextKey = 0;
+
+ } else {
+ nextKey = Collections.max(destNumberTreeAsMap.keySet()) + 1;
+
+ }
+ }
+
+ return nextKey;
+ }
+
+ /**
* Check via PreFlightParser if PDF-Document is a valid PDFA1
* @param signedDocument: signed Document
* @throws PdfAsException
@@ -914,16 +938,25 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
if(placeholders!=null) {
for(int i = 0; i < placeholders.size(); ++i) {
//take smallest id
- if(!existingPlaceholders.contains(placeholders.get(i).getPlaceholderName())) {
+ if(!existingPlaceholders.contains(placeholders.get(i).getPlaceholderName())) {
SignaturePlaceholderData spd = placeholders.get(i);
if (spd.getId() != null) {
if(result == null) {
result = spd;
} else {
- String currentID = result.getId();
- String testID = spd.getId();
- if(testID.compareToIgnoreCase(currentID) < 0) {
- result = spd;
+ try{
+ int currentID = Integer.parseInt(result.getId());
+ int testID = Integer.parseInt(spd.getId());
+ if(testID < currentID) {
+ result = spd;
+ }
+ }catch(Exception e){
+ //fallback to string compare
+ String currentID = result.getId();
+ String testID = spd.getId();
+ if(testID.compareToIgnoreCase(currentID) < 0) {
+ result = spd;
+ }
}
}
}
@@ -936,7 +969,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
//find first placeholder_id
public List<SignaturePlaceholderData> listAvailablePlaceholders(List<SignaturePlaceholderData> placeholders, List<String> existingPlaceholders) {
- List<SignaturePlaceholderData> result = null;
+ List<SignaturePlaceholderData> result = new ArrayList<>();
if(placeholders!=null) {
for(int i = 0; i < placeholders.size(); ++i) {
@@ -948,4 +981,29 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
}
return result;
}
+
+ static Map<Integer, COSObjectable> getNumberTreeAsMap(PDNumberTreeNode tree)
+ throws IOException
+ {
+ Map<Integer, COSObjectable> numbers = tree.getNumbers();
+ if (numbers == null)
+ {
+ numbers = new LinkedHashMap<>();
+ }
+ else
+ {
+ // must copy because the map is read only
+ numbers = new LinkedHashMap<>(numbers);
+ }
+ List<PDNumberTreeNode> kids = tree.getKids();
+ if (kids != null)
+ {
+ for (PDNumberTreeNode kid : kids)
+ {
+ numbers.putAll(getNumberTreeAsMap(kid));
+ }
+ }
+ return numbers;
+ }
+
} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-05 01:07:08 +0000