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-rw-r--r--pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java9
1 files changed, 9 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
index 540fd572..2553ccf3 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/PdfAsImpl.java
@@ -16,6 +16,7 @@ import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.cos.COSString;
import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.encryption.AccessPermission;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -95,6 +96,14 @@ public class PdfAsImpl implements PdfAs, IConfigurationConstants {
throw new PdfAsValidationException("error.pdf.sig.11", null);
}
+ try {
+ PDDocument doc = PDDocument.load(new ByteArrayInputStream(parameter.getDataSource().getByteData()));
+ PDFUtils.checkPDFPermissions(doc);
+ doc.close();
+ } catch(IOException e) {
+ throw new PdfAsValidationException("error.pdf.sig.12", null, e);
+ }
+
// TODO: verify Sign Parameter
}