Added first files.

[webpdf] / createpdf.pl

diff --git a/createpdf.pl b/createpdf.pl
new file mode 100755 (executable)
index 0000000..78ed00e
--- /dev/null
+++ b/createpdf.pl
@@ -0,0 +1,126 @@
+#! /usr/bin/perl
+use CGI;
+use POSIX;
+use strict;
+use File::Temp;
+
+$ENV{"HOME"} = "/home/cassarossa/itk/sesse/sesse-pdf/";
+
+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:- ps:- | 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 $buf;
+       }
+       close DOC;
+
+       # Create PostScript from OOo :-)
+       system("/usr/lib/openoffice/program/soffice -display :25 -headless -pt pdf /home/cassarossa/itk/sesse/public_html/pdf/output/$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.pdf >&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 >/home/cassarossa/itk/sesse/public_html/pdf/output/$pdf_filename.ps\" +:q output/$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
+
+<html><head><title>Error</title></head>
+<body><h1>Error</h1>
+<p>You sent an unknown file type.</p>
+</body></html>
+EOF
+       exit;
+}
+
+my $size = -s "output/$pdf_filename";
+
+print "Content-type: application/pdf\n";
+print "Content-disposition: attachment; filename=\"$outname\"\n";  # FIXME: XSS problems?
+print "Content-length: $size\n\n";
+
+system("cat output/$pdf_filename");  # yuck?