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-rw-r--r--pdf-as-pdfbox-2/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox2/PADESPDFBOXSigner.java483
1 files changed, 256 insertions, 227 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 df201f3e..090986a5 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
@@ -3,19 +3,19 @@
* 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
@@ -54,6 +54,9 @@ import org.apache.pdfbox.pdmodel.common.PDNumberTreeNode;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure.PDStructureElement;
import org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure.PDStructureTreeRoot;
+import org.apache.pdfbox.pdmodel.encryption.AccessPermission;
+import org.apache.pdfbox.pdmodel.encryption.ProtectionPolicy;
+import org.apache.pdfbox.pdmodel.encryption.StandardProtectionPolicy;
import org.apache.pdfbox.pdmodel.graphics.color.PDOutputIntent;
import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
@@ -186,14 +189,15 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
SignatureProfileSettings signatureProfileSettings = TableFactory
.createProfile(requestedSignature.getSignatureProfileID(), pdfObject.getStatus().getSettings());
- /*
- * Check if input document is PDF-A conform
- *
- if (signatureProfileSettings.isPDFA()) {
- // TODO: run preflight parser
- runPDFAPreflight(pdfObject.getOriginalDocument());
- }
- */
+
+ //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"),
@@ -343,7 +347,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
// replace placeholder
URL fileUrl = PADESPDFBOXSigner.class.getResource("/placeholder/empty.jpg");
-
+
PDImageXObject img = PDImageXObject.createFromFile(fileUrl.getPath(), doc);
img.getCOSObject().setNeedToBeUpdated(true);
@@ -365,43 +369,43 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
}
if (signatureProfileSettings.isPDFA() || signatureProfileSettings.isPDFA3()) {
- PDDocumentCatalog root = doc.getDocumentCatalog();
- COSBase base = root.getCOSObject().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().setNeedToBeUpdated(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());
- }
+ PDDocumentCatalog root = doc.getDocumentCatalog();
+ COSBase base = root.getCOSObject().getItem(COSName.OUTPUT_INTENTS);
+
+ InputStream colorProfile = null;
+ colorProfile = this.getClass().getResourceAsStream("/icm/sRGB.icm");
+ //Set output intents for PDF/A conformity//
+ try {
+ PDOutputIntent intent = new PDOutputIntent(doc, colorProfile);
+
+ intent.setInfo("sRGB IEC61966-2.1");
+ intent.setOutputCondition("sRGB IEC61966-2.1");
+ intent.setOutputConditionIdentifier("sRGB IEC61966-2.1");
+ intent.setRegistryName("http://www.color.org");
+ List<PDOutputIntent> oi = new ArrayList<PDOutputIntent>();
+ oi.add(intent);
+ root.setOutputIntents(oi);
+ root.getCOSObject().setNeedToBeUpdated(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);
+
+
String sigFieldName = signatureProfileSettings.getSignFieldValue();
if (sigFieldName == null) {
@@ -595,247 +599,272 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
}
}
- try {
- ByteArrayOutputStream bos = new ByteArrayOutputStream();
-
- synchronized (doc) {
- doc.saveIncremental(bos);
- byte[] outputDocument = bos.toByteArray();
+ try {
+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
+
+ /*/ Check if document should be protected*/
+
+ synchronized (doc) {
+ doc.saveIncremental(bos);
+ byte[] outputDocument = bos.toByteArray();
+ doc.save(bos);
+ pdfObject.setSignedDocument(outputDocument);
+
- /*
+ }
+ /*
Check if resulting pdf is PDF-A conform
*/
- //if (signatureProfileSettings.isPDFA()) {
- // // TODO: run preflight parser
- // runPDFAPreflight(outputDocument);
- //}
+ if (signatureProfileSettings.isPDFA()) {
+ runPDFAPreflight(new ByteArrayDataSource(pdfObject.getSignedDocument()));
+ }
- pdfObject.setSignedDocument(outputDocument);
- }
-
- } finally {
- if (options != null) {
- if (options.getVisualSignature() != null) {
- options.getVisualSignature().close();
- }
- }
- }
+ /*Check if doc has to be protected*/
+ /* if (requestedSignature.getStatus().getSettings().hasValue(DEFAULT_CONFIG_PROTECT_PDF)) {
+ if (IConfigurationConstants.TRUE.equalsIgnoreCase(requestedSignature.getStatus().getSettings().getValue(IConfigurationConstants.DEFAULT_CONFIG_PROTECT_PDF)))
+ { //Protect document before setting output
+ //Policies for docs
+ AccessPermission ap = doc.getCurrentAccessPermission();
+ ap.setReadOnly();
+ ap.setCanModify(false);
+ ap.setCanExtractForAccessibility(false);
+ doc = new PDDocument(doc.getDocument(),null,ap);
+ logger.info("Added Protection Parameters");
+ }
+ }
+*/
- System.gc();
- } catch (IOException 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
- }
- }
+
+ } catch (IOException e1) {
+ e1.printStackTrace();
+ }
+
+ finally {
+ if (options != null) {
+ if (options.getVisualSignature() != null) {
+ options.getVisualSignature().close();
+ }
+ }
+ }
+
+ System.gc();
+ } catch (IOException 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
+ }
+ }
logger.debug("Signature done!");
}
}
- private void runPDFAPreflight(final byte[] signedDocument) throws PdfAsException {
- runPDFAPreflight(new ByteArrayDataSource(signedDocument));
- }
-
- private void runPDFAPreflight(final DataSource signedDocument) throws PdfAsException {
- PreflightDocument document = null;
- ValidationResult result = null;
- try {
- PreflightParser parser = new PreflightParser(signedDocument);
- parser.parse(Format.PDF_A1B);
- parser.parse();
- document = parser.getPreflightDocument();
- document.validate();
+ /**
+ * Check via PreFlightParser if PDF-Document is a valid PDFA1
+ * @param signedDocument: signed Document
+ * @throws PdfAsException
+ */
+ private void runPDFAPreflight(final DataSource signedDocument) throws PdfAsException {
+ PreflightDocument document = null;
+ ValidationResult result = null;
+ try {
+ PreflightParser parser = new PreflightParser(signedDocument);
+ //
+ // parser.parse(Format.PDF_A1B);
+ parser.parse();
+ document = parser.getPreflightDocument();
+ document.validate();
+
+ document.close();
+ result = document.getResult();
+ logger.info("PDF-A Validation Result: " + result.isValid());
+
+ if (result.getErrorsList().size() > 0) {
+ logger.error("The following validation errors occured for PDF-A validation");
+ }
- document.close();
- result = document.getResult();
+ for (ValidationResult.ValidationError ve : result.getErrorsList()) {
+ logger.error("\t" + ve.getErrorCode() + ": " + ve.getDetails());
+ }
- if(result.getErrorsList().size() > 0) {
- logger.error("The following validation errors occured for PDF-A validation");
- }
+ if (!result.isValid()) {
+ logger.info("The file is not a valid PDF-A document");
+ }
- for (ValidationResult.ValidationError ve : result.getErrorsList())
- {
- logger.error("\t" + ve.getErrorCode() + ": " + ve.getDetails());
- }
+ } catch (SyntaxValidationException e) {
+ logger.error("The file is syntactically invalid.", e);
+ throw new PdfAsException("Resulting PDF Document is syntactically invalid.");
+ } catch (ValidationException e) {
+ logger.error("The file is not a valid PDF-A document.", e);
+ } catch (IOException e) {
+ logger.error("An IOException (" + e.getMessage()
+ + ") occurred, while validating the PDF-A conformance", e);
+ throw new PdfAsException("Failed validating PDF Document IOException.");
+ } catch (RuntimeException e) {
+ logger.debug("An RuntimeException (" + e.getMessage()
+ + ") occurred, while validating the PDF-A conformance", e);
+ throw new PdfAsException("Failed validating PDF Document RuntimeException.");
+ } finally {
+ if (document != null) {
+ IOUtils.closeQuietly((Closeable) document);
+ }
+ }
+ }
- if(!result.isValid()) {
- throw new PdfAsException("The file is not a valid PDF-A document");
- }
+ @Override
+ public PDFObject buildPDFObject(OperationStatus operationStatus) {
+ return new PDFBOXObject(operationStatus);
+ }
- } catch (SyntaxValidationException e) {
- logger.error("The file is syntactically invalid.", e);
- throw new PdfAsException("Resulting PDF Document is syntactically invalid.");
- } catch (ValidationException e) {
- logger.error("The file is not a valid PDF-A document.", e);
- throw new PdfAsException("The file is not a valid PDF-A document");
- } catch (IOException e) {
- logger.error("An IOException (" + e.getMessage()
- + ") occurred, while validating the PDF-A conformance", e);
- throw new PdfAsException("Failed validating PDF Document IOException.");
- } catch (RuntimeException e) {
- logger.debug("An RuntimeException (" + e.getMessage()
- + ") occurred, while validating the PDF-A conformance", e);
- throw new PdfAsException("Failed validating PDF Document RuntimeException.");
- } finally {
- if (document != null) {
- IOUtils.closeQuietly((Closeable)document);
- }
- }
- }
+ @Override
+ public PDFASSignatureInterface buildSignaturInterface(IPlainSigner signer, SignParameter parameters,
+ RequestedSignature requestedSignature) {
+ return new PdfboxSignerWrapper(signer, parameters, requestedSignature);
+ }
- @Override
- public PDFObject buildPDFObject(OperationStatus operationStatus) {
- return new PDFBOXObject(operationStatus);
- }
+ @Override
+ public PDFASSignatureExtractor buildBlindSignaturInterface(X509Certificate certificate, String filter,
+ String subfilter, Calendar date) {
+ return new SignatureDataExtractor(certificate, filter, subfilter, date);
+ }
- @Override
- public PDFASSignatureInterface buildSignaturInterface(IPlainSigner signer, SignParameter parameters,
- RequestedSignature requestedSignature) {
- return new PdfboxSignerWrapper(signer, parameters, requestedSignature);
- }
+ @Override
+ public void checkPDFPermissions(PDFObject genericPdfObject) throws PdfAsException {
+ if (!(genericPdfObject instanceof PDFBOXObject)) {
+ // tODO:
+ throw new PdfAsException();
+ }
- @Override
- public PDFASSignatureExtractor buildBlindSignaturInterface(X509Certificate certificate, String filter,
- String subfilter, Calendar date) {
- return new SignatureDataExtractor(certificate, filter, subfilter, date);
- }
+ PDFBOXObject pdfObject = (PDFBOXObject) genericPdfObject;
+ PdfBoxUtils.checkPDFPermissions(pdfObject.getDocument());
+ }
- @Override
- public void checkPDFPermissions(PDFObject genericPdfObject) throws PdfAsException {
- if (!(genericPdfObject instanceof PDFBOXObject)) {
- // tODO:
- throw new PdfAsException();
- }
+ @Override
+ public byte[] rewritePlainSignature(byte[] plainSignature) {
+ String signature = new COSString(plainSignature).toHexString();
+ byte[] pdfSignature = signature.getBytes();
+ return pdfSignature;
+ }
- PDFBOXObject pdfObject = (PDFBOXObject) genericPdfObject;
- PdfBoxUtils.checkPDFPermissions(pdfObject.getDocument());
- }
+ @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();
- @Override
- public byte[] rewritePlainSignature(byte[] plainSignature) {
- String signature = new COSString(plainSignature).toHexString();
- byte[] pdfSignature = signature.getBytes();
- return pdfSignature;
- }
+ PDDocument origDoc = new PDDocument();
- @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(PDRectangle.A4));
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- origDoc.save(baos);
- baos.close();
+ origDoc.addPage(new PDPage(PDRectangle.A4));
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ origDoc.save(baos);
+ baos.close();
- pdfObject.setOriginalDocument(new ByteArrayDataSource(baos.toByteArray()));
+ pdfObject.setOriginalDocument(new ByteArrayDataSource(baos.toByteArray()));
- SignatureProfileSettings signatureProfileSettings = TableFactory
- .createProfile(requestedSignature.getSignatureProfileID(), pdfObject.getStatus().getSettings());
+ SignatureProfileSettings signatureProfileSettings = TableFactory
+ .createProfile(requestedSignature.getSignatureProfileID(), pdfObject.getStatus().getSettings());
- // create Table describtion
- Table main = TableFactory.createSigTable(signatureProfileSettings, MAIN, pdfObject.getStatus(),
- requestedSignature);
+ // create Table describtion
+ Table main = TableFactory.createSigTable(signatureProfileSettings, MAIN, pdfObject.getStatus(),
+ requestedSignature);
- IPDFStamper stamper = StamperFactory.createDefaultStamper(pdfObject.getStatus().getSettings() );
+ IPDFStamper stamper = StamperFactory.createDefaultStamper(pdfObject.getStatus().getSettings());
- IPDFVisualObject visualObject = stamper.createVisualPDFObject(pdfObject, main);
+ IPDFVisualObject visualObject = stamper.createVisualPDFObject(pdfObject, main);
- SignatureProfileConfiguration signatureProfileConfiguration = pdfObject.getStatus()
- .getSignatureProfileConfiguration(requestedSignature.getSignatureProfileID());
+ 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, pdfObject.getStatus().getSettings());
- } else {
- positioningInstruction = Positioning.determineTablePositioning(new TablePos(), "", origDoc,
- visualObject, pdfObject.getStatus().getSettings());
- }
+ String signaturePosString = signatureProfileConfiguration.getDefaultPositioning();
+ PositioningInstruction positioningInstruction = null;
+ if (signaturePosString != null) {
+ positioningInstruction = Positioning.determineTablePositioning(new TablePos(signaturePosString), "",
+ origDoc, visualObject, pdfObject.getStatus().getSettings());
+ } else {
+ positioningInstruction = Positioning.determineTablePositioning(new TablePos(), "", origDoc,
+ visualObject, pdfObject.getStatus().getSettings());
+ }
- origDoc.close();
+ 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());
+ 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);
+ requestedSignature.setSignaturePosition(position);
- PDFAsVisualSignatureProperties properties = new PDFAsVisualSignatureProperties(
- pdfObject.getStatus().getSettings(), pdfObject, (PdfBoxVisualObject) visualObject,
- positioningInstruction, signatureProfileSettings);
+ 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);
+ properties.buildSignature();
+ PDDocument visualDoc;
+ synchronized (PDDocument.class) {
+ visualDoc = PDDocument.load(properties.getVisibleSignature());
+ }
+ // PDPageable pageable = new PDPageable(visualDoc);
- PDPage firstPage = visualDoc.getDocumentCatalog().getPages().get(0);
+ PDPage firstPage = visualDoc.getDocumentCatalog().getPages().get(0);
- float stdRes = 72;
- float targetRes = resolution;
- float factor = targetRes / stdRes;
+ float stdRes = 72;
+ float targetRes = resolution;
+ float factor = targetRes / stdRes;
- int targetPageNumber = 0;//TODO: is this always the case
- PDFRenderer pdfRenderer = new PDFRenderer(visualDoc);
- BufferedImage outputImage = pdfRenderer.renderImageWithDPI(targetPageNumber, targetRes, ImageType.ARGB);
+ int targetPageNumber = 0;//TODO: is this always the case
+ PDFRenderer pdfRenderer = new PDFRenderer(visualDoc);
+ BufferedImage outputImage = pdfRenderer.renderImageWithDPI(targetPageNumber, targetRes, ImageType.ARGB);
- //BufferedImage outputImage = firstPage.convertToImage(BufferedImage.TYPE_4BYTE_ABGR, (int) targetRes);
+ //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);
+ BufferedImage cutOut = new BufferedImage((int) (position.getWidth() * factor),
+ (int) (position.getHeight() * factor), BufferedImage.TYPE_4BYTE_ABGR);
- Graphics2D graphics = (Graphics2D) cutOut.getGraphics();
+ 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);
- }
- }
+ 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);
+ }
+ }
- private String getPDFAVersion(PDDocument doc) {
+ private String getPDFAVersion(PDDocument doc) {
try {
PDDocumentCatalog cat = doc.getDocumentCatalog();
PDMetadata metadata = cat.getMetadata();
- if(metadata != null) {
+ if (metadata != null) {
DomXmpParser xmpParser = new DomXmpParser();
XMPMetadata xmpMetadata = xmpParser.parse(metadata.exportXMPMetadata());
- if(xmpMetadata != null) {
+ if (xmpMetadata != null) {
PDFAIdentificationSchema pdfaIdentificationSchema = xmpMetadata.getPDFIdentificationSchema();
if (pdfaIdentificationSchema != null) {
Integer pdfaversion = pdfaIdentificationSchema.getPart();
String conformance = pdfaIdentificationSchema.getConformance();
logger.info("Detected PDF/A Version: {} - {}", pdfaversion, conformance);
- if(pdfaversion != null) {
+ if (pdfaversion != null) {
return String.valueOf(pdfaversion);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 22:52:21 +0000