Re: Workaround: KPDF asks for password on some PDFs

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On 2025-02-19 15:37:38 Dr. Nikolaus Klepp via tde-users wrote:
> Anno domini 2025 Wed, 19 Feb 14:31:26 -0600
>
>  J Leslie Turriff via tde-users scripsit:
> > On 2025-02-19 13:34:34 J Leslie Turriff via tde-users wrote:
> > > On 2025-02-19 04:01:32 Dr. Nikolaus Klepp via tde-users wrote:
> > > > Hi all!
> > > >
> > > > This Workaround is for all that are plaged by kpdf not able to open
> > > > encrypted PDFs. - It decrypts PDFs with the infamouse empty password
> > > > (that failes on libpoppler) - It asks for the password for encrypted
> > > > PDFs and removes the encryption (if password is correct)
> > > >
> > > > How to use:
> > > > - Save the attached program to your ~/bin (or wherever you would like
> > > > it to reside) - Change the file association for PDF to use this
> > > > program - Open some encrypted/not-encrypted PDFs that did not work in
> > > > plain kpdf.
> > > >
> > > > Commandline: "/where/ever/you/put/it/decrypt-pdf" PDF.pdf ...
> > > >
> > > > TDE specific file URLS like sftp:// don't work, but maybe "somebody"
> > > > feels the need to add those.
> > > >
> > > > --> KPDF can now handle all PDFs that it could not cope with.
> > > >
> > > > Enjoy.
> > > > Nik
> > > >
> > > > --
> > > > Please do not email me anything that you are not comfortable also
> > > > sharing with the NSA, CIA ...
> > >
> > > 	And in openSUSE, pdfinfo is provided by the pdf-tools package.
> >
> > 	Hm... and my version of qpdf doesn't support --remove-restrictions. :-(
>
> That's bad. I have devuan ceres, qpdf is version 11.10.0-1. I'm quite sure
> the version from debian stable and newer also support
> --remove-restrictions.
>
> Nik
>
	Here I get:

@14:33:26 leslie@pinto
wd=~
$
qpdf --password='' --decrypt --remove-restrictions --replace-input /usr/local/Documentation/Software/Languages/Bash/AdvancedBashScriptingGuide.pdf

qpdf: unknown option --remove-restrictions

Usage: qpdf [options] infile outfile
For detailed help, run qpdf --help

rc=2
@17:10:27 leslie@pinto
wd=~
$ qpdf --version
qpdf version 10.3.1
Run qpdf --copyright to see copyright and license information.
rc=0

	openSUSE is pretty conservative and a lot of tools are far from
bleeding-edge. :-)

Leslie
--
Platform: Linux
Distribution: openSUSE Leap 15.6 - x86_64
Desktop Environment: Trinity
Qt: 3.5.0
TDE: R14.1.3
tde-config: 1.0
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