aboutsummaryrefslogtreecommitdiff
path: root/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
diff options
context:
space:
mode:
Diffstat (limited to 'pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java')
-rw-r--r--pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java144
1 files changed, 103 insertions, 41 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
index c74b15b0..68257861 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
@@ -30,6 +30,7 @@ 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.pdfbox.cos.COSDictionary;
@@ -41,13 +42,21 @@ 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.graphics.color.PDGamma;
import org.apache.pdfbox.pdmodel.graphics.color.PDOutputIntent;
import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotation;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationWidget;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAppearanceCharacteristicsDictionary;
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 sun.tools.jar.SignatureFile;
import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
import at.gv.egiz.pdfas.common.messages.MessageResolver;
import at.gv.egiz.pdfas.common.settings.SignatureProfileSettings;
@@ -193,14 +202,15 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
IPDFVisualObject visualObject = stamper.createVisualPDFObject(
pdfObject, main);
- /*PDDocument originalDocument = PDDocument
- .load(new ByteArrayInputStream(pdfObject.getStatus()
- .getPdfObject().getOriginalDocument()));*/
+ /*
+ * PDDocument originalDocument = PDDocument .load(new
+ * ByteArrayInputStream(pdfObject.getStatus()
+ * .getPdfObject().getOriginalDocument()));
+ */
PositioningInstruction positioningInstruction = Positioning
- .determineTablePositioning(tablePos, "",
- doc, visualObject,
- legacy32Position);
+ .determineTablePositioning(tablePos, "", doc,
+ visualObject, legacy32Position);
SignaturePositionImpl position = new SignaturePositionImpl();
position.setX(positioningInstruction.getX());
@@ -218,10 +228,11 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
properties.buildSignature();
- /*ByteArrayOutputStream sigbos = new ByteArrayOutputStream();
- sigbos.write(StreamUtils.inputStreamToByteArray(properties
- .getVisibleSignature()));
- sigbos.close();*/
+ /*
+ * ByteArrayOutputStream sigbos = new ByteArrayOutputStream();
+ * sigbos.write(StreamUtils.inputStreamToByteArray(properties
+ * .getVisibleSignature())); sigbos.close();
+ */
if (signaturePlaceholderData != null) {
// Placeholder found!
@@ -238,14 +249,18 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
int pageNumber = positioningInstruction.getPage();
rootPages.getAllKids(kids);
PDPage page = kids.get(pageNumber);
-
- logger.info("Placeholder name: " + signaturePlaceholderData.getPlaceholderName());
- COSDictionary xobjectsDictionary = (COSDictionary) page.findResources().getCOSDictionary()
+
+ logger.info("Placeholder name: "
+ + signaturePlaceholderData.getPlaceholderName());
+ COSDictionary xobjectsDictionary = (COSDictionary) page
+ .findResources().getCOSDictionary()
.getDictionaryObject(COSName.XOBJECT);
- xobjectsDictionary.setItem(signaturePlaceholderData.getPlaceholderName(), img);
+ xobjectsDictionary.setItem(
+ signaturePlaceholderData.getPlaceholderName(), img);
xobjectsDictionary.setNeedToBeUpdate(true);
page.findResources().getCOSObject().setNeedToBeUpdate(true);
- logger.info("Placeholder name: " + signaturePlaceholderData.getPlaceholderName());
+ logger.info("Placeholder name: "
+ + signaturePlaceholderData.getPlaceholderName());
}
if (positioningInstruction.isMakeNewPage()) {
@@ -283,51 +298,98 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
e);
}
}
-
- /*if(signatureProfileSettings.isPDFA()) {
- // Check for PDF-UA
- PDDocumentCatalog root = doc.getDocumentCatalog();
- PDStructureTreeRoot treeRoot = root.getStructureTreeRoot();
- if(treeRoot != null) {
- // Handle as PDF-UA
- logger.info("Tree Root: {}", treeRoot.toString());
- PDStructureElement docElement = PDFBoxTaggingUtils.getDocumentElement(treeRoot);
- PDStructureElement sigBlock = new PDStructureElement("Table", docElement);
- root.getCOSObject().setNeedToBeUpdate(true);
- docElement.getCOSObject().setNeedToBeUpdate(true);
- treeRoot.getCOSObject().setNeedToBeUpdate(true);
- sigBlock.setTitle("Signature Table");
- }
- }*/
+
+ /*
+ * if(signatureProfileSettings.isPDFA()) { // Check for PDF-UA
+ * PDDocumentCatalog root = doc.getDocumentCatalog();
+ * PDStructureTreeRoot treeRoot = root.getStructureTreeRoot();
+ * if(treeRoot != null) { // Handle as PDF-UA
+ * logger.info("Tree Root: {}", treeRoot.toString());
+ * PDStructureElement docElement =
+ * PDFBoxTaggingUtils.getDocumentElement(treeRoot);
+ * PDStructureElement sigBlock = new PDStructureElement("Table",
+ * docElement); root.getCOSObject().setNeedToBeUpdate(true);
+ * docElement.getCOSObject().setNeedToBeUpdate(true);
+ * treeRoot.getCOSObject().setNeedToBeUpdate(true);
+ * sigBlock.setTitle("Signature Table"); } }
+ */
options.setPreferedSignatureSize(0x1000);
options.setPage(positioningInstruction.getPage());
- options.setVisualSignature(properties
- .getVisibleSignature());
+ options.setVisualSignature(properties.getVisibleSignature());
}
doc.addSignature(signature, signer, options);
+ 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!]");
+ }
+ }
+
// pdfbox patched (FIS -> IS)
doc.saveIncremental(fis, fos);
fis.close();
fos.flush();
fos.close();
fos = null;
-
+
fis = new FileInputStream(new File(fisTmpFile));
// write to resulting output stream
- //ByteArrayOutputStream bos = new ByteArrayOutputStream();
- //bos.write();
- //bos.close();
-
+ // ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ // bos.write();
+ // bos.close();
- pdfObject.setSignedDocument(StreamUtils.inputStreamToByteArray(fis));
+ pdfObject
+ .setSignedDocument(StreamUtils.inputStreamToByteArray(fis));
fis.close();
fis = null;
System.gc();
-
+
helper.deleteFile(fisTmpFile);
} catch (IOException e) {
@@ -341,7 +403,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
throw new PdfAsException("error.pdf.sig.01", e);
} finally {
logger.info("Signature done!");
-
+
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-16 08:34:22 +0000