[Poppler-bugs] [Bug 88151] New: Evince opens attached PDF file as locked

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88151

            Bug ID: 88151
           Summary: Evince opens attached PDF file as locked
           Product: poppler
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: poppler-bugs at lists.freedesktop.org
          Reporter: s.j.turner at uqconnect.net

Created attachment 111902
  --> https://bugs.freedesktop.org/attachment.cgi?id=111902&action=edit
PDF file

Originally reported on Ubuntu Vivid as
https://bugs.launchpad.net/ubuntu/+source/evince/+bug/1404645 using poppler
0.28.1

Evince 3.14.1-0ubuntu1 (which uses poppler as it's renderer) prompts for a
password when opening the attached file.  Adobe Reader and Firefox 34's
built-in PDF viewer can open the file.

The file has been created by a professor and is about Java programming.

Renaming the file to script.pdf and attempting to convert the file with
ghostscript 9.10 via this command:

gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=unencrypted.pdf -c
.setpdfwrite -f script.pdf

gives this warning:

**** This file uses an unknown standard security handler revision: 6
Error: /undefined in pdf_check_password
<snip>
GPL Ghostscript 9.10: Unrecoverable error, exit code 1

Ghostscript 9.15 now supports the PDF security handler revision 6 - see
http://www.ghostscript.com/doc/9.15/News.htm

Perhaps you can reuse the new ghostscript code?

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