--- loncom/publisher/lonpublisher.pm 2003/07/23 19:17:27 1.126 +++ loncom/publisher/lonpublisher.pm 2009/11/24 01:11:53 1.258.2.3 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Publication Handler # -# $Id: lonpublisher.pm,v 1.126 2003/07/23 19:17:27 bowersj2 Exp $ +# $Id: lonpublisher.pm,v 1.258.2.3 2009/11/24 01:11:53 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,24 +25,6 @@ # # http://www.lon-capa.org/ # -# -# (TeX Content Handler -# -# 05/29/00,05/30,10/11 Gerd Kortemeyer) -# -# 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer -# 03/23 Guy Albertelli -# 03/24,03/29,04/03 Gerd Kortemeyer -# 05/03,05/05,05/07 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 -# 12/06,12/07 Gerd Kortemeyer -# 12/25 Gerd Kortemeyer -# YEAR=2002 -# 1/17 Gerd Kortemeyer -# ### ############################################################################### @@ -82,6 +64,26 @@ invocation by F: ErrorDocument 500 /adm/errorhandler +=head1 OVERVIEW + +Authors can only write-access the C space. They can +copy resources into the resource area through the publication step, +and move them back through a recover step. Authors do not have direct +write-access to their resource space. + +During the publication step, several events will be +triggered. Metadata is gathered, where a wizard manages default +entries on a hierarchical per-directory base: The wizard imports the +metadata (including access privileges and royalty information) from +the most recent published resource in the current directory, and if +that is not available, from the next directory above, etc. The Network +keeps all previous versions of a resource and makes them available by +an explicit version number, which is inserted between the file name +and extension, for example C, while the most recent +version does not carry a version number (C). Servers +subscribing to a changed resource are notified that a new version is +available. + =head1 DESCRIPTION B takes the proper steps to add resources to the LON-CAPA @@ -116,13 +118,22 @@ use Apache::File; use File::Copy; use Apache::Constants qw(:common :http :methods); use HTML::LCParser; +use HTML::Entities; +use Encode::Encoder; use Apache::lonxml; use Apache::loncacc; use DBI; -use Apache::lonnet(); +use Apache::lonnet; use Apache::loncommon(); +use Apache::lonhtmlcommon; use Apache::lonmysql; +use Apache::lonlocal; +use Apache::loncfile; +use LONCAPA::lonmetadata; +use Apache::lonmsg; use vars qw(%metadatafields %metadatakeys); +use LONCAPA qw(:DEFAULT :match); + my %addid; my %nokey; @@ -132,6 +143,11 @@ my $docroot; my $cuname; my $cudom; +my $registered_cleanup; +my $modified_urls; + +my $lock; + =pod =item B @@ -159,46 +175,54 @@ nothing ######################################### ######################################### +# +# Modifies global %metadatafields %metadatakeys +# + sub metaeval { - my $metastring=shift; + my ($metastring,$prefix)=@_; - my $parser=HTML::LCParser->new(\$metastring); - my $token; - while ($token=$parser->get_token) { - if ($token->[0] eq 'S') { - my $entry=$token->[1]; - my $unikey=$entry; - if (defined($token->[2]->{'package'})) { - $unikey.='_package_'.$token->[2]->{'package'}; - } - if (defined($token->[2]->{'part'})) { - $unikey.='_'.$token->[2]->{'part'}; - } - if (defined($token->[2]->{'id'})) { - $unikey.='_'.$token->[2]->{'id'}; - } - if (defined($token->[2]->{'name'})) { - $unikey.='_'.$token->[2]->{'name'}; - } - foreach (@{$token->[3]}) { - $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_}; - if ($metadatakeys{$unikey}) { - $metadatakeys{$unikey}.=','.$_; - } else { - $metadatakeys{$unikey}=$_; - } - } - if ($metadatafields{$unikey}) { - my $newentry=$parser->get_text('/'.$entry); - unless (($metadatafields{$unikey}=~/\Q$newentry\E/) || - ($newentry eq '')) { - $metadatafields{$unikey}.=', '.$newentry; - } - } else { - $metadatafields{$unikey}=$parser->get_text('/'.$entry); - } - } - } + my $parser=HTML::LCParser->new(\$metastring); + my $token; + while ($token=$parser->get_token) { + if ($token->[0] eq 'S') { + my $entry=$token->[1]; + my $unikey=$entry; + next if ($entry =~ m/^(?:parameter|stores)_/); + if (defined($token->[2]->{'package'})) { + $unikey.="\0package\0".$token->[2]->{'package'}; + } + if (defined($token->[2]->{'part'})) { + $unikey.="\0".$token->[2]->{'part'}; + } + if (defined($token->[2]->{'id'})) { + $unikey.="\0".$token->[2]->{'id'}; + } + if (defined($token->[2]->{'name'})) { + $unikey.="\0".$token->[2]->{'name'}; + } + foreach (@{$token->[3]}) { + $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_}; + if ($metadatakeys{$unikey}) { + $metadatakeys{$unikey}.=','.$_; + } else { + $metadatakeys{$unikey}=$_; + } + } + my $newentry=$parser->get_text('/'.$entry); + if (($entry eq 'customdistributionfile') || + ($entry eq 'sourcerights')) { + $newentry=~s/^\s*//; + if ($newentry !~m|^/res|) { $newentry=$prefix.$newentry; } + } +# actually store + if ( $entry eq 'rule' && exists($metadatafields{$unikey})) { + $metadatafields{$unikey}.=','.$newentry; + } else { + $metadatafields{$unikey}=$newentry; + } + } + } } ######################################### @@ -239,19 +263,23 @@ XHTML text that indicates successful rea ######################################### ######################################### sub metaread { - my ($logfile,$fn)=@_; + my ($logfile,$fn,$prefix)=@_; unless (-e $fn) { print($logfile 'No file '.$fn."\n"); - return '
No file: '.$fn.''; + return '
' + .&mt('No file: [_1]' + ,' '.&Apache::loncfile::display($fn).'
'); } print($logfile 'Processing '.$fn."\n"); my $metastring; { - my $metafh=Apache::File->new($fn); - $metastring=join('',<$metafh>); + my $metafh=Apache::File->new($fn); + $metastring=join('',<$metafh>); } - &metaeval($metastring); - return '
Processed file: '.$fn.''; + &metaeval($metastring,$prefix); + return '
' + .&mt('Processed file: [_1]' + ,' '.&Apache::loncfile::display($fn).'
'); } ######################################### @@ -260,9 +288,8 @@ sub metaread { sub coursedependencies { my $url=&Apache::lonnet::declutter(shift); $url=~s/\.meta$//; - my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//); - my $regexp=$url; - $regexp=~s/(\W)/\\$1/g; + my ($adomain,$aauthor)=($url=~ m{^($match_domain)/($match_username)/}); + my $regexp=quotemeta($url); $regexp='___'.$regexp.'___course'; my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain, $aauthor,$regexp); @@ -303,34 +330,76 @@ string which presents the form field (fo ######################################### ######################################### sub textfield { - my ($title,$name,$value)=@_; - my $uctitle=uc($title); - return "\n

$uctitle:". - "


". - ''; + my ($title,$name,$value,$noline)=@_; + $value=~s/^\s+//gs; + $value=~s/\s+$//gs; + $value=~s/\s+/ /gs; + $title=&mt($title); + $env{'form.'.$name}=$value; + return "\n".&Apache::lonhtmlcommon::row_title($title) + .'' + .&Apache::lonhtmlcommon::row_closure($noline); +} + +sub text_with_browse_field { + my ($title,$name,$value,$restriction,$noline)=@_; + $value=~s/^\s+//gs; + $value=~s/\s+$//gs; + $value=~s/\s+/ /gs; + $title=&mt($title); + $env{'form.'.$name}=$value; + return "\n".&Apache::lonhtmlcommon::row_title($title) + .'' + .'
' + .'' + .&mt('Select') + .' ' + .'' + .&mt('Search') + .'' + .&Apache::lonhtmlcommon::row_closure($noline); } sub hiddenfield { my ($name,$value)=@_; + $env{'form.'.$name}=$value; return "\n".''; } +sub checkbox { + my ($name,$text)=@_; + return "\n
"; +} + sub selectbox { my ($title,$name,$value,$functionref,@idlist)=@_; - my $uctitle=uc($title); + $title=&mt($title); $value=(split(/\s*,\s*/,$value))[-1]; - my $selout="\n

$uctitle:". - '


'; foreach (@idlist) { - $selout.='';} + $selout.=' selected="selected"'; + } + $selout.='>'.&{$functionref}($_).''; } - return $selout.''; + $selout.=''.&Apache::lonhtmlcommon::row_closure(); + return $selout; } +sub select_level_form { + my ($value,$name)=@_; + $env{'form.'.$name}=$value; + if (!defined($value)) { $env{'form.'.$name}=0; } + return &Apache::loncommon::select_level_form($value,$name); +} ######################################### ######################################### @@ -352,15 +421,14 @@ sub urlfixup { if ($url =~ /^mailto:/i) { return $url; } #internal document links need no fixing if ($url =~ /^\#/) { return $url; } - my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/); - foreach (values %Apache::lonnet::hostname) { - if ($_ eq $host) { - $url=~s/^http\:\/\///; - $url=~s/^$host//; - } + my ($host)=($url=~m{(?:(?:http|https|ftp)://)*([^/]+)}); + my @lonids = &Apache::lonnet::machine_ids($host); + if (@lonids) { + $url=~s{^(?:http|https|ftp)://}{}; + $url=~s/^\Q$host\E//; } - if ($url=~/^http\:\/\//) { return $url; } - $url=~s/\~$cuname/res\/$cudom\/$cuname/; + if ($url=~m{^(?:http|https|ftp)://}) { return $url; } + $url=~s{\Q~$cuname\E}{res/$cudom/$cuname}; return $url; } @@ -411,11 +479,11 @@ sub set_allow { } if (($newurl !~ /^javascript:/i) && ($newurl !~ /^mailto:/i) && - ($newurl !~ /^http:/i) && + ($newurl !~ /^(?:http|https|ftp):/i) && ($newurl !~ /^\#/)) { $$allow{&absoluteurl($newurl,$target)}=1; } - return $return_url + return $return_url; } ######################################### @@ -438,10 +506,15 @@ sub get_subscribed_hosts { $target=~/(.*)\/([^\/]+)$/; my $srcf=$2; opendir(DIR,$1); + # cycle through listed files, subscriptions used to exist + # as "filename.lonid" while ($filename=readdir(DIR)) { - if ($filename=~/\Q$srcf\E\.(\w+)$/) { + if ($filename=~/\Q$srcf\E\.($match_lonid)$/) { my $subhost=$1; - if (($subhost ne 'meta' && $subhost ne 'subscription') && + if (($subhost ne 'meta' + && $subhost ne 'subscription' + && $subhost ne 'meta.subscription' + && $subhost ne 'tmp') && ($subhost ne $Apache::lonnet::perlvar{'lonHostID'})) { push(@subscribed,$subhost); } @@ -450,19 +523,13 @@ sub get_subscribed_hosts { closedir(DIR); my $sh; if ( $sh=Apache::File->new("$target.subscription") ) { - &Apache::lonnet::logthis("opened $target.subscription"); while (my $subline=<$sh>) { - &Apache::lonnet::logthis("Trying $subline"); - if ($subline =~ /(^\w+):/) { + if ($subline =~ /^($match_lonid):/) { if ($1 ne $Apache::lonnet::perlvar{'lonHostID'}) { push(@subscribed,$1); } - } else { - &Apache::lonnet::logthis("No Match for $subline"); } } - } else { - &Apache::lonnet::logthis("Unable to open $target.subscription"); } return @subscribed; } @@ -492,13 +559,15 @@ sub get_max_ids_indices { my %duplicatedids; my $parser=HTML::LCParser->new($content); + $parser->xml_mode(1); my $token; while ($token=$parser->get_token) { if ($token->[0] eq 'S') { my $counter; if ($counter=$addid{$token->[1]}) { if ($counter eq 'id') { - if (defined($token->[2]->{'id'})) { + if (defined($token->[2]->{'id'}) && + $token->[2]->{'id'} !~ /^\s*$/) { $maxid=($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid; if (exists($allids{$token->[2]->{'id'}})) { $duplicateids=1; @@ -510,7 +579,8 @@ sub get_max_ids_indices { $needsfixup=1; } } else { - if (defined($token->[2]->{'index'})) { + if (defined($token->[2]->{'index'}) && + $token->[2]->{'index'} !~ /^\s*$/) { $maxindex=($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex; } else { $needsfixup=1; @@ -552,11 +622,11 @@ sub get_all_text_unbalanced { } elsif ($token->[0] eq 'E') { $result.=$token->[2]; } - if ($result =~ /(.*)\Q$tag\E(.*)/s) { + if ($result =~ /\Q$tag\E/s) { + ($result,my $redo)=$result =~ /(.*)\Q$tag\E(.*)/is; #&Apache::lonnet::logthis('Got a winner with leftovers ::'.$2); #&Apache::lonnet::logthis('Result is :'.$1); - $result=$1; - my $redo=$tag.$2; + $redo=$tag.$redo; push (@$pars,HTML::LCParser->new(\$redo)); $$pars[-1]->xml_mode('1'); last; @@ -596,7 +666,7 @@ sub fix_ids_and_indices { join(', ',@duplicatedids)); if ($duplicateids) { print $logfile "Duplicate ID(s) exist, ".join(', ',@duplicatedids)."\n"; - my $outstring='Unable to publish file, it contains duplicated ID(s), ID(s) need to be unique. The duplicated ID(s) are: '.join(', ',@duplicatedids).''; + my $outstring=''.&mt('Unable to publish file, it contains duplicated ID(s), ID(s) need to be unique. The duplicated ID(s) are').': '.join(', ',@duplicatedids).''; return ($outstring,1); } if ($needsfixup) { @@ -605,6 +675,7 @@ sub fix_ids_and_indices { "Max Index: $maxindex (min 10)\n"; } my $outstring=''; + my $responsecounter=1; my @parser; $parser[0]=HTML::LCParser->new(\$content); $parser[-1]->xml_mode(1); @@ -619,37 +690,53 @@ sub fix_ids_and_indices { $allow{$token->[2]->{'src'}}=1; next; } + if ($lctag eq 'base') { next; } + if (($lctag eq 'part') || ($lctag eq 'problem')) { + $responsecounter=0; + } + if ($lctag=~/response$/) { $responsecounter++; } + if ($lctag eq 'import') { $responsecounter++; } my %parms=%{$token->[2]}; $counter=$addid{$tag}; if (!$counter) { $counter=$addid{$lctag}; } if ($counter) { if ($counter eq 'id') { - unless (defined($parms{'id'})) { + unless (defined($parms{'id'}) && + $parms{'id'}!~/^\s*$/) { $maxid++; $parms{'id'}=$maxid; - print $logfile 'ID: '.$tag.':'.$maxid."\n"; + print $logfile 'ID(new) : '.$tag.':'.$maxid."\n"; + } else { + print $logfile 'ID(kept): '.$tag.':'.$parms{'id'}."\n"; } } elsif ($counter eq 'index') { - unless (defined($parms{'index'})) { + unless (defined($parms{'index'}) && + $parms{'index'}!~/^\s*$/) { $maxindex++; $parms{'index'}=$maxindex; print $logfile 'Index: '.$tag.':'.$maxindex."\n"; } } } - foreach my $type ('src','href','background','bgimg') { - foreach my $key (keys(%parms)) { - if ($key =~ /^$type$/i) { - $parms{$key}=&set_allow(\%allow,$logfile, - $target,$tag, - $parms{$key}); + unless ($parms{'type'} eq 'zombie') { + foreach my $type ('src','href','background','bgimg') { + foreach my $key (keys(%parms)) { + if ($key =~ /^$type$/i) { + $parms{$key}=&set_allow(\%allow,$logfile, + $target,$tag, + $parms{$key}); + } } } } # probably a image type