#! /usr/bin/perl # # webpdf -- small set of scripts to make PDF files automatically from various # formats, via a web interface. # # Copyright 2005 Steinar H. Gunderson . # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, version 2. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # use CGI; use POSIX; use strict; use File::Temp; require './config.pm'; $ENV{"HOME"} = $pdfweb::config::homedir; my $cgi = CGI->new; my $filename = $cgi->param('input'); my $file = $cgi->upload('input'); # It kind of sucks that we just can't get the temporary file name from # CGI.pm, but OK, here goes :-) my $pdf_filename = join('', (0..9, 'A'..'Z', 'a'..'z')[ rand 62, rand 62, rand 62, rand 62, rand 62, rand 62, rand 62, rand 62, rand 62, rand 62 ]) . '.pdf'; my $pdfopts = ""; my $psopts = "/setdistillerparams { } /def"; my $outname; if ($cgi->param('preset') eq 'screen') { $pdfopts = "-dPDFSETTINGS=/screen"; } elsif ($cgi->param('preset') eq 'ebook') { $pdfopts = "-dPDFSETTINGS=/ebook"; } elsif ($cgi->param('preset') eq 'printer') { $pdfopts = "-dPDFSETTINGS=/printer"; } elsif ($cgi->param('preset') eq 'prepress') { $pdfopts = "-dPDFSETTINGS=/prepress"; } elsif ($cgi->param('preset') eq 'default') { $psopts = ""; } if ($filename =~ /(.*)\.(?:e?ps|pdf)$/i) { $outname = "$1.pdf"; # Yay, just a round through GhostScript open PIPE, "| gs $pdfopts -dCompatbilityLevel=1.4 -dNOPAUSE -dPATCH -sDEVICE=pdfwrite -dSAFER -sOutputFile=output/$pdf_filename -c '.setpdfwrite $psopts' -f - >&2" or die "gs: $!"; my ($buf, $ret); while ($ret = read($file, $buf, 1024)) { print PIPE $buf; } close PIPE; } elsif ($filename =~ /(.*)\.(bmp|png|jpe?g|xpm)$/i) { $outname = "$1.pdf"; # Run through ImageMagick first of all, then gs open PIPE, "| convert $2:- pdf:- | gs $pdfopts -dCompatbilityLevel=1.4 -dNOPAUSE -dPATCH -sDEVICE=pdfwrite -dSAFER -sOutputFile=output/$pdf_filename -c '.setpdfwrite $psopts' -f - >&2" or die "convert: $!"; my ($buf, $ret); while ($ret = read($file, $buf, 1024)) { print PIPE $buf; } close PIPE; } elsif ($filename =~ /(.*)\.txt$/i) { $outname = "$1.pdf"; # Use mpage open PIPE, "| mpage -da -1 - | gs $pdfopts -dCompatbilityLevel=1.4 -dNOPAUSE -dPATCH -sDEVICE=pdfwrite -dSAFER -sOutputFile=output/$pdf_filename -c '.setpdfwrite $psopts' -f - >&2" or die "convert: $!"; my ($buf, $ret); while ($ret = read($file, $buf, 1024)) { print PIPE $buf; } close PIPE; } elsif ($filename =~ /(.*)\.(doc|xls|ppt)$/i) { $outname = "$1.pdf"; my $ext = $2; # Oh my, OpenOffice open DOC, ">output/$pdf_filename.$ext" or die "output/$pdf_filename.$ext: $!"; my ($buf, $ret); while ($ret = read($file, $buf, 1024)) { print DOC $buf; } close DOC; # Create PostScript from OOo :-) system("/usr/lib/openoffice/program/soffice -display $pdfweb::config::xserver -headless -pt pdf $pdfweb::config::outputdir/$pdf_filename.$ext"); # This is quite hideous -- it looks like OO.o calls the file something slightly # different depending on the time format, phase of the moon or something... So # we try both. my $inp_ps = "output/$pdf_filename.$ext.pdf"; if (! -r $inp_ps) { $inp_ps = "output/$pdf_filename.pdf"; } system("gs $pdfopts -dCompatbilityLevel=1.4 -dNOPAUSE -dPATCH -sDEVICE=pdfwrite -dSAFER -sOutputFile=output/$pdf_filename -c '.setpdfwrite $psopts' -f - < $inp_ps >&2"); } elsif ($filename =~ /(.*)\.(c|cc|cpp|cs|h|py|rb|pl|diff|patch|js|php[1-5]?|hs|f|f90|java|css|sql|l|y|s?ml|sh|awk|m|v)$/i) { $outname = "$1.pdf"; my $ext = $2; open DOC, ">output/$pdf_filename.$ext" or die "output/$pdf_filename.$ext: $!"; my ($buf, $ret); while ($ret = read($file, $buf, 1024)) { print DOC $buf; } close DOC; (my $sanitized_filename = $filename) =~ tr/a-zA-Z0-9./_/c; # This is just perverse :-P system("vim -Z -R +\"set printheader=\%<$sanitized_filename\%h\%m\%=Page\\ \%N\" +\"ha >$pdfweb::config::outputdir/$pdf_filename.ps\" +:q output/$pdf_filename.$ext"); system("gs $pdfopts -dCompatbilityLevel=1.4 -dNOPAUSE -dPATCH -sDEVICE=pdfwrite -dSAFER -sOutputFile=output/$pdf_filename -c '.setpdfwrite $psopts' -f - < output/$pdf_filename.ps >&2"); } else { print <<"EOF"; Content-type: text/html Error

Error

You sent an unknown file type.

EOF exit; } my $size = -s "output/$pdf_filename"; (my $sanitized_outname = $outname) =~ tr/a-zA-Z0-9. -/_/c; print "Content-type: application/pdf\n"; print "Content-disposition: attachment; filename=\"$sanitized_outname\"\n"; print "Content-length: $size\n\n"; system("cat output/$pdf_filename"); # yuck?