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 ...
#!/bin/bash -ex VIEWER=$(which kpdf || which xpdf) if [ $# -lt 1 ]; then echo "$(basename $0) PDF [PDF [...]]" echo "removes password and restrictions on PDF file" which qpdf || echo "please install 'qpdf'" which kdialog || echo "please install 'tdebase-trinity-bin'" which pdfinfo || echo "please install 'poppler-utils'" exit 1 fi if which qpdf || which kdialog || which pdfinfo ]; then while [ $# -gt 0 ]; do SHOW=YES if [ -f "$1" ]; then if ! pdfinfo "$1" > /dev/null 2>&1; then if [ ! -z "$(qpdf --password='' --decrypt --remove-restrictions --replace-input $1 2>&1 | head -n 1 | grep -i invalid)" ]; then PWD="$(kdialog --title 'Encrypted PDF' --inputbox 'Password for PDF:' '')" if [ $? -eq 0 ]; then if [ ! -z "$(qpdf --password=$PWD --decrypt --remove-restrictions --replace-input $1 2>&1 | head -n 1 | grep -i invalid)" ]; then kdialog --title 'Encrypted PDF' --error "Wrong PDF password." SHOW='' fi fi fi fi fi if [ "$SHOW" ]; then if [ -e "$VIEWER" ]; then $VIEWER "$1" & fi fi shift done else if [ -e "$VIEWER" ]; then $VIEWER $* fi fi
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