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-rw-r--r--src/main/java/at/gv/egiz/pdfas/impl/input/correction/InternalCorrector.java7
-rw-r--r--src/main/java/at/gv/egiz/pdfas/utils/PDFASUtils.java30
2 files changed, 36 insertions, 1 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/impl/input/correction/InternalCorrector.java b/src/main/java/at/gv/egiz/pdfas/impl/input/correction/InternalCorrector.java
index 409a600..6f73739 100644
--- a/src/main/java/at/gv/egiz/pdfas/impl/input/correction/InternalCorrector.java
+++ b/src/main/java/at/gv/egiz/pdfas/impl/input/correction/InternalCorrector.java
@@ -11,6 +11,8 @@ import at.gv.egiz.pdfas.exceptions.framework.CorrectorException;
import at.gv.egiz.pdfas.framework.input.PdfDataSource;
import at.gv.egiz.pdfas.framework.input.correction.Corrector;
import at.gv.egiz.pdfas.impl.input.ByteArrayPdfDataSourceImpl;
+import at.gv.egiz.pdfas.utils.PDFASUtils;
+import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.PdfReader;
@@ -33,6 +35,7 @@ public class InternalCorrector implements Corrector
{
byte[] pdf = document.getAsByteArray();
PdfReader reader = new PdfReader(pdf);
+ PDFASUtils.checkReaderPermissions(reader);
ByteArrayOutputStream baos = new ByteArrayOutputStream(pdf.length);
@@ -51,7 +54,9 @@ public class InternalCorrector implements Corrector
catch (IOException e)
{
throw new CorrectorException(ErrorCode.CORRECTOR_EXCEPTION, e);
- }
+ } catch (PDFDocumentException e) {
+ throw new CorrectorException(e.getErrorCode(), e);
+ }
}
}
diff --git a/src/main/java/at/gv/egiz/pdfas/utils/PDFASUtils.java b/src/main/java/at/gv/egiz/pdfas/utils/PDFASUtils.java
new file mode 100644
index 0000000..b26cc9b
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/utils/PDFASUtils.java
@@ -0,0 +1,30 @@
+package at.gv.egiz.pdfas.utils;
+
+import at.gv.egiz.pdfas.exceptions.ErrorCode;
+import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
+
+import com.lowagie.text.pdf.PdfReader;
+
+/**
+ * @author tknall
+ */
+public class PDFASUtils {
+
+ private PDFASUtils() {
+ }
+
+ /**
+ * Verifies that a document could be opened with full permissions.
+ * @param pdfReader The PdfReader
+ * @throws PDFDocumentException Thrown if document has not been opened with full permissions.
+ */
+ public static void checkReaderPermissions(PdfReader pdfReader) throws PDFDocumentException {
+ if (pdfReader.isEncrypted()) {
+ throw new PDFDocumentException(ErrorCode.DOCUMENT_IS_PROTECTED, "Document is encrypted.");
+ }
+ if (!pdfReader.isOpenedWithFullPermissions()) {
+ throw new PDFDocumentException(ErrorCode.DOCUMENT_IS_PROTECTED, "Document is protected.");
+ }
+ }
+
+}