# The LearningOnline Network with CAPA
# Publication Handler
#
# (TeX Content Handler
#
# 05/29/00,05/30,10/11 Gerd Kortemeyer)
#
# 11/28,11/29 Gerd Kortemeyer
package Apache::lonpublisher;
use strict;
use Apache::File;
use Apache::Constants qw(:common :http :methods);
use HTML::TokeParser;
my %addid;
sub publish {
my ($source,$target,$style)=@_;
my $logfile;
unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
return 'No write permission to user directory, FAIL';
}
print $logfile
"\n\n================== Publish ".localtime()." =================\n";
if (($style eq 'ssi') || ($style eq 'rat')) {
# ------------------------------------------------------- This needs processing
my $copyfile=$source.'.save';
{
my $org=Apache::File->new($source);
my $cop=Apache::File->new('>'.$copyfile);
while (my $line=<$org>) { print $cop $line; }
}
if (-e $copyfile) {
print $logfile "Copied original file to ".$copyfile."\n";
} else {
return "Failed to write backup copy, FAIL";
}
}
my $version='';
return 'Version '.$version.', SUCCESS';
}
# ================================================================ Main Handler
sub handler {
my $r=shift;
if ($r->header_only) {
$r->content_type('text/html');
$r->send_http_header;
return OK;
}
# -------------------------------------------------------------- Check filename
my $fn=$ENV{'form.filename'};
unless ($fn) {
$r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
' trying to publish empty filename', $r->filename);
return HTTP_NOT_FOUND;
}
$fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
my $targetdir='';
my $docroot=$r->dir_config('lonDocRoot');
if ($1 ne $ENV{'user.name'}) {
$r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
' trying to publish unowned file '.$ENV{'form.filename'}.
' ('.$fn.')',
$r->filename);
return HTTP_NOT_ACCEPTABLE;
} else {
$targetdir=$docroot.'/res/'.$ENV{'user.domain'};
}
unless (-e $fn) {
$r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
' trying to publish non-existing file '.$ENV{'form.filename'}.
' ('.$fn.')',
$r->filename);
return HTTP_NOT_FOUND;
}
# --------------------------------- File is there and owned, init lookup tables
%addid=();
{
my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
while (<$fh>=~/(\w+)\s+(\w+)/) {
$addid{$1}=$2;
}
}
# ----------------------------------------------------------- Start page output
$r->content_type('text/html');
$r->send_http_header;
$r->print('LON-CAPA Publishing');
$r->print('');
my $thisfn=$fn;
# ------------------------------------------------------------- Individual file
{
$thisfn=~/\.(\w+)$/;
my $thistype=$1;
my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
my $thistarget=$thisfn;
$thistarget=~s/^\/home/$targetdir/;
$thistarget=~s/\/public\_html//;
my $thisdistarget=$thistarget;
$thisdistarget=~s/^$docroot//;
my $thisdisfn=$thisfn;
$thisdisfn=~s/^\/home\/$ENV{'user.name'}\/public_html\///;
$r->print('Publishing '.
&Apache::lonnet::filedescription($thistype).' '.
$thisdisfn.'
Target: '.$thisdistarget.'');
# ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
$r->print('Result: '.&publish($thisfn,$thistarget,$thisembstyle));
}
$r->print('');
return OK;
}
1;
__END__