--- loncom/publisher/lonpublisher.pm 2001/08/11 19:06:54 1.36 +++ loncom/publisher/lonpublisher.pm 2001/12/07 22:34:56 1.63 @@ -1,5 +1,30 @@ # The LearningOnline Network with CAPA # Publication Handler +# +# $Id: lonpublisher.pm,v 1.63 2001/12/07 22:34:56 albertel Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA 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; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA 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 LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# # # (TeX Content Handler # @@ -11,7 +36,11 @@ # 04/16/2001 Scott Harrison # 05/03,05/05,05/07 Gerd Kortemeyer # 05/28/2001 Scott Harrison -# 06/23,08/07,08/11 Gerd Kortemeyer +# 06/23,08/07,08/11,8/13,8/17,8/18,8/24,9/26,10/16 Gerd Kortemeyer +# 12/04,12/05 Guy Albertelli +# 12/05 Gerd Kortemeyer +# 12/05 Guy Albertelli +# 12/06 Gerd Kortemeyer package Apache::lonpublisher; @@ -71,7 +100,8 @@ sub metaeval { } @{$token->[3]}; if ($metadatafields{$unikey}) { my $newentry=$parser->get_text('/'.$entry); - unless ($metadatafields{$unikey}=~/$newentry/) { + unless (($metadatafields{$unikey}=~/$newentry/) || + ($newentry eq '')) { $metadatafields{$unikey}.=', '.$newentry; } } else { @@ -135,6 +165,7 @@ sub selectbox { sub urlfixup { my ($url,$target)=@_; + unless ($url) { return ''; } my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/); map { if ($_ eq $host) { @@ -142,6 +173,7 @@ sub urlfixup { $url=~s/^$host//; } } values %Apache::lonnet::hostname; + if ($url=~/^http\:\/\//) { return $url; } $url=~s/\~$cuname/res\/$cudom\/$cuname/; if ($target) { $target=~s/\/[^\/]+$//; @@ -222,14 +254,18 @@ sub publish { } my $outstring=''; my $parser=HTML::TokeParser->new(\$content); + $parser->xml_mode(1); my $token; while ($token=$parser->get_token) { if ($token->[0] eq 'S') { my $counter; my $tag=$token->[1]; - unless ($tag eq 'allow') { + my $lctag=lc($tag); + unless ($lctag eq 'allow') { my %parms=%{$token->[2]}; - if ($counter=$addid{$tag}) { + $counter=$addid{$tag}; + if (!$counter) { $counter=$addid{$lctag}; } + if ($counter) { if ($counter eq 'id') { unless (defined($parms{'id'})) { $maxid++; @@ -256,7 +292,38 @@ sub publish { } $allow{$newurl}=1; } - } ('src','href','codebase'); + } ('src','href','background'); + + if ($lctag eq 'applet') { + my $codebase=''; + if (defined($parms{'codebase'})) { + my $oldcodebase=$parms{'codebase'}; + unless ($oldcodebase=~/\/$/) { + $oldcodebase.='/'; + } + $codebase=&urlfixup($oldcodebase,$target); + $codebase=~s/\/$//; + if ($codebase ne $oldcodebase) { + $parms{'codebase'}=$codebase; + print $logfile 'URL codebase: '.$tag.':'. + $oldcodebase.' - '. + $codebase."\n"; + } + $allow{$codebase.'/*'}=1; + } else { + map { + if (defined($parms{$_})) { + my $oldurl=$parms{$_}; + my $newurl=&urlfixup($oldurl,$target); + $newurl=~s/\/[^\/]+$/\/\*/; + print $logfile 'Allow: applet '.$_.':'. + $oldurl.' allows '. + $newurl."\n"; + $allow{$newurl}=1; + } + } ('archive','code','object'); + } + } my $newparmstring=''; my $endtag=''; @@ -268,26 +335,57 @@ sub publish { $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote; } } keys %parms; - + if (!$endtag) { if ($token->[4]=~m:/>$:) { $endtag=' /'; }; } $outstring.='<'.$tag.$newparmstring.$endtag.'>'; } else { $allow{$token->[2]->{'src'}}=1; } } elsif ($token->[0] eq 'E') { + if ($token->[2]) { unless ($token->[1] eq 'allow') { - $outstring.=$token->[2]; + $outstring.=''.$token->[1].'>'; } + } } else { $outstring.=$token->[1]; } } # ------------------------------------------------------------ Construct Allows - my $allowstr="\n"; + + $scrout.='
Obsolete parameters or stored values: '. $chparms; } - } + # ------------------------------------------------------- Now have all metadata $scrout.= '