Any reason not to use the latest version of PDFBox (2.0.15)? It might solve
this issue...
On Fri, May 17, 2019 at 9:47 AM RJC 2009 <rjc2...@gmail.com> wrote:
> Hi All,
>
> I am using PDFBox version 2.0.5 and looking for help to protect a PDF with
> owner password.
>
> Here is my test program which is trying to disable the printing option and
> protect the document with an owner password.
>
> However, if I use the resultant PDF and run the program again with a
> DIFFERENT owner password then it ENABLE the printing option.
>
>
>
> Basically I need to disable the printing option in PDF with an owner
> password and the printing option cannot be enabled back without using the
> original owner password.
>
>
> Please advise if I am missing anything in my below testing programme.
>
>
> *import* java.io.File;
>
> *import* org.apache.pdfbox.pdmodel.PDDocument;
>
> *import* org.apache.pdfbox.pdmodel.encryption.AccessPermission;
>
> *import* org.apache.pdfbox.pdmodel.encryption.StandardProtectionPolicy;
>
>
>
> *public* *class* TestEncryptPDF {
>
>
>
> *public* *static* *void* main(String[] args) {
>
>
>
> String inputPdfFileName = "D:\\temp\\test-input.pdf";
>
> String cannotPrintPdfFileName = inputPdfFileName.replace(
> ".pdf", "-cannotPrint.pdf");
>
> String canPrintPdfFileName = inputPdfFileName.replace(".pdf",
> "-cannPrint.pdf");
>
> *setPdfPassword*(inputPdfFileName, cannotPrintPdfFileName,
> "OwnerPassword1234", *false*);
>
>
>
> *setPdfPassword*(cannotPrintPdfFileName, canPrintPdfFileName,
> "BreakingOwnerPassworAndEnablingPrinting", *true*);
>
> }
>
>
>
> *private* *static* *void* setPdfPassword(String inputPdfFileName,
>
> String outputPdfFileName, String ownerPassword,
> *boolean* canPrint) {
>
> *try* {
>
> PDDocument pdfDoc = PDDocument.*load*(*new* File(
> inputPdfFileName));
>
> AccessPermission ap = *new* AccessPermission();
>
> ap.setCanPrint(canPrint);
>
> ap.setCanAssembleDocument(*false*);
>
> ap.setCanExtractContent(*false*);
>
> ap.setCanExtractForAccessibility(*false*);
>
> ap.setCanFillInForm(*false*);
>
> ap.setCanModify(*false*);
>
> ap.setCanModifyAnnotations(*false*);
>
> ap.setReadOnly();
>
> // setting only owner *pwd*
>
> StandardProtectionPolicy spp = *new*
> StandardProtectionPolicy(
>
> ownerPassword, *null*, ap);
>
> spp.setPreferAES(*true*);
>
> spp.setEncryptionKeyLength(128);
>
> spp.setPermissions(ap);
>
> pdfDoc.protect(spp);
>
> pdfDoc.save(outputPdfFileName);
>
> pdfDoc.close();
>
> } *catch* (Exception e) {
>
> e.printStackTrace();
>
> }
>
> }
>
>
>
> }
>
> regards
>
> RJC
>
