# The LearningOnline Network with CAPA
# Publication Handler
#
# $Id: lonpublisher.pm,v 1.64 2001/12/07 22:37:56 www 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
#
# 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
# 04/16/2001 Scott Harrison
# 05/03,05/05,05/07 Gerd Kortemeyer
# 05/28/2001 Scott Harrison
# 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
package Apache::lonpublisher;
use strict;
use Apache::File;
use File::Copy;
use Apache::Constants qw(:common :http :methods);
use HTML::TokeParser;
use Apache::lonxml;
use Apache::lonhomework;
use Apache::loncacc;
use DBI;
my %addid;
my %nokey;
my %language;
my %cprtag;
my %metadatafields;
my %metadatakeys;
my $docroot;
my $cuname;
my $cudom;
# ----------------------------------------------- Evaluate string with metadata
sub metaeval {
my $metastring=shift;
my $parser=HTML::TokeParser->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'};
}
map {
$metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
if ($metadatakeys{$unikey}) {
$metadatakeys{$unikey}.=','.$_;
} else {
$metadatakeys{$unikey}=$_;
}
} @{$token->[3]};
if ($metadatafields{$unikey}) {
my $newentry=$parser->get_text('/'.$entry);
unless (($metadatafields{$unikey}=~/$newentry/) ||
($newentry eq '')) {
$metadatafields{$unikey}.=', '.$newentry;
}
} else {
$metadatafields{$unikey}=$parser->get_text('/'.$entry);
}
}
}
}
# -------------------------------------------------------- Read a metadata file
sub metaread {
my ($logfile,$fn)=@_;
unless (-e $fn) {
print $logfile 'No file '.$fn."\n";
return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
}
print $logfile 'Processing '.$fn."\n";
my $metastring;
{
my $metafh=Apache::File->new($fn);
$metastring=join('',<$metafh>);
}
&metaeval($metastring);
return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
}
# ---------------------------- convert 'time' format into a datetime sql format
sub sqltime {
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
localtime(@_[0]);
$mon++; $year+=1900;
return "$year-$mon-$mday $hour:$min:$sec";
}
# --------------------------------------------------------- Various form fields
sub textfield {
my ($title,$name,$value)=@_;
return "\n<p><b>$title:</b><br>".
'<input type=text name="'.$name.'" size=80 value="'.$value.'">';
}
sub hiddenfield {
my ($name,$value)=@_;
return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
}
sub selectbox {
my ($title,$name,$value,%options)=@_;
my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
map {
$selout.='<option value="'.$_.'"';
if ($_ eq $value) { $selout.=' selected'; }
$selout.='>'.$options{$_}.'</option>';
} sort keys %options;
return $selout.'</select>';
}
# -------------------------------------------------------- Publication Step One
sub urlfixup {
my ($url,$target)=@_;
unless ($url) { return ''; }
my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
map {
if ($_ eq $host) {
$url=~s/^http\:\/\///;
$url=~s/^$host//;
}
} values %Apache::lonnet::hostname;
if ($url=~/^http\:\/\//) { return $url; }
$url=~s/\~$cuname/res\/$cudom\/$cuname/;
if ($target) {
$target=~s/\/[^\/]+$//;
$url=&Apache::lonnet::hreflocation($target,$url);
}
return $url;
}
sub publish {
my ($source,$target,$style)=@_;
my $logfile;
my $scrout='';
my $allmeta='';
my $content='';
my %allow=();
undef %allow;
unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
return
'<font color=red>No write permission to user directory, FAIL</font>';
}
print $logfile
"\n\n================= Publish ".localtime()." Phase One ================\n";
if (($style eq 'ssi') || ($style eq 'rat')) {
# ------------------------------------------------------- This needs processing
# ----------------------------------------------------------------- Backup Copy
my $copyfile=$source.'.save';
if (copy($source,$copyfile)) {
print $logfile "Copied original file to ".$copyfile."\n";
} else {
print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
}
# ------------------------------------------------------------- IDs and indices
my $maxindex=10;
my $maxid=10;
my $needsfixup=0;
{
my $org=Apache::File->new($source);
$content=join('',<$org>);
}
{
my $parser=HTML::TokeParser->new(\$content);
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'})) {
$maxid=
($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
} else {
$needsfixup=1;
}
} else {
if (defined($token->[2]->{'index'})) {
$maxindex=
($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
} else {
$needsfixup=1;
}
}
}
}
}
}
if ($needsfixup) {
print $logfile "Needs ID and/or index fixup\n".
"Max ID : $maxid (min 10)\n".
"Max Index: $maxindex (min 10)\n";
}
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];
my $lctag=lc($tag);
unless ($lctag eq 'allow') {
my %parms=%{$token->[2]};
$counter=$addid{$tag};
if (!$counter) { $counter=$addid{$lctag}; }
if ($counter) {
if ($counter eq 'id') {
unless (defined($parms{'id'})) {
$maxid++;
$parms{'id'}=$maxid;
print $logfile 'ID: '.$tag.':'.$maxid."\n";
}
} elsif ($counter eq 'index') {
unless (defined($parms{'index'})) {
$maxindex++;
$parms{'index'}=$maxindex;
print $logfile 'Index: '.$tag.':'.$maxindex."\n";
}
}
}
map {
if (defined($parms{$_})) {
my $oldurl=$parms{$_};
my $newurl=&urlfixup($oldurl,$target);
if ($newurl ne $oldurl) {
$parms{$_}=$newurl;
print $logfile 'URL: '.$tag.':'.$oldurl.' - '.
$newurl."\n";
}
$allow{$newurl}=1;
}
} ('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 $endtag='';
map {
if ($_ eq '/') {
$endtag=' /';
} else {
my $quote=($parms{$_}=~/\"/?"'":'"');
$newparmstring.=' '.$_.'='.$quote.$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->[1].'>';
}
}
} else {
$outstring.=$token->[1];
}
}
# ------------------------------------------------------------ Construct Allows
$scrout.='<h3>Dependencies</h3>';
my $allowstr='';
map {
my $thisdep=$_;
unless ($style eq 'rat') {
$allowstr.="\n".'<allow src="'.$thisdep.'" />';
}
$scrout.='<br>';
unless ($thisdep=~/\*/) {
$scrout.='<a href="'.$thisdep.'">';
}
$scrout.='<tt>'.$thisdep.'</tt>';
unless ($thisdep=~/\*/) {
$scrout.='</a>';
if (
&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
$thisdep.'.meta') eq '-1') {
$scrout.=
' - <font color=red>Currently not available</font>';
} else {
my %temphash=(&Apache::lonnet::declutter($target).'___'.
&Apache::lonnet::declutter($thisdep).'___usage'
=> time);
$thisdep=~/^\/res\/(\w+)\/(\w+)\//;
if ((defined($1)) && (defined($2))) {
&Apache::lonnet::put('resevaldata',\%temphash,$1,$2);
}
}
}
} keys %allow;
$outstring=~s/(\<\/[^\>]+\>\s*)$/$allowstr$1/s;
# ------------------------------------------------------------- Write modified
{
my $org;
unless ($org=Apache::File->new('>'.$source)) {
print $logfile "No write permit to $source\n";
return
"<font color=red>No write permission to $source, FAIL</font>";
}
print $org $outstring;
}
$content=$outstring;
if ($needsfixup) {
print $logfile "End of ID and/or index fixup\n".
"Max ID : $maxid (min 10)\n".
"Max Index: $maxindex (min 10)\n";
} else {
print $logfile "Does not need ID and/or index fixup\n";
}
}
# --------------------------------------------- Initial step done, now metadata
# ---------------------------------------- Storage for metadata keys and fields
%metadatafields=();
%metadatakeys=();
my %oldparmstores=();
$scrout.='<h3>Metadata Information</h3>';
# ------------------------------------------------ First, check out environment
unless (-e $source.'.meta') {
$metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
$ENV{'environment.middlename'}.' '.
$ENV{'environment.lastname'}.' '.
$ENV{'environment.generation'};
$metadatafields{'author'}=~s/\s+/ /g;
$metadatafields{'author'}=~s/\s+$//;
$metadatafields{'owner'}=$cuname.'@'.$cudom;
# ------------------------------------------------ Check out directory hierachy
my $thisdisfn=$source;
$thisdisfn=~s/^\/home\/$cuname\///;
my @urlparts=split(/\//,$thisdisfn);
$#urlparts--;
my $currentpath='/home/'.$cuname.'/';
map {
$currentpath.=$_.'/';
$scrout.=&metaread($logfile,$currentpath.'default.meta');
} @urlparts;
# ------------------- Clear out parameters and stores (there should not be any)
map {
if (($_=~/^parameter/) || ($_=~/^stores/)) {
delete $metadatafields{$_};
}
} keys %metadatafields;
} else {
# ---------------------- Read previous metafile, remember parameters and stores
$scrout.=&metaread($logfile,$source.'.meta');
map {
if (($_=~/^parameter/) || ($_=~/^stores/)) {
$oldparmstores{$_}=1;
delete $metadatafields{$_};
}
} keys %metadatafields;
}
# -------------------------------------------------- Parse content for metadata
if ($style eq 'ssi') {
my $oldenv=$ENV{'request.uri'};
$ENV{'request.uri'}=$target;
$allmeta=Apache::lonxml::xmlparse('meta',$content);
$ENV{'request.uri'}=$oldenv;
&metaeval($allmeta);
}
# ---------------- Find and document discrepancies in the parameters and stores
my $chparms='';
map {
if (($_=~/^parameter/) || ($_=~/^stores/)) {
unless ($_=~/\.\w+$/) {
unless ($oldparmstores{$_}) {
print $logfile 'New: '.$_."\n";
$chparms.=$_.' ';
}
}
}
} sort keys %metadatafields;
if ($chparms) {
$scrout.='<p><b>New parameters or stored values:</b> '.
$chparms;
}
my $chparms='';
map {
if (($_=~/^parameter/) || ($_=~/^stores/)) {
unless (($metadatafields{$_.'.name'}) ||
($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
print $logfile 'Obsolete: '.$_."\n";
$chparms.=$_.' ';
}
}
} sort keys %oldparmstores;
if ($chparms) {
$scrout.='<p><b>Obsolete parameters or stored values:</b> '.
$chparms;
}
# ------------------------------------------------------- Now have all metadata
$scrout.=
'<form action="/adm/publish" method="post">'.
'<p><input type="submit" value="Finalize Publication" /></p>'.
&hiddenfield('phase','two').
&hiddenfield('filename',$ENV{'form.filename'}).
&hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
&hiddenfield('dependencies',join(',',keys %allow)).
&textfield('Title','title',$metadatafields{'title'}).
&textfield('Author(s)','author',$metadatafields{'author'}).
&textfield('Subject','subject',$metadatafields{'subject'});
# --------------------------------------------------- Scan content for keywords
my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
my $colcount=0;
if (length($content)<500000) {
my $textonly=$content;
$textonly=~s/\<script[^\<]+\<\/script\>//g;
$textonly=~s/\<m\>[^\<]+\<\/m\>//g;
$textonly=~s/\<[^\>]*\>//g;
$textonly=~tr/A-Z/a-z/;
$textonly=~s/[\$\&][a-z]\w*//g;
$textonly=~s/[^a-z\s]//g;
my %keywords=();
map {
unless ($nokey{$_}) {
$keywords{$_}=1;
}
} ($textonly=~m/(\w+)/g);
map {
$keywords{$_}=1;
} split(/\W+/,$metadatafields{'keywords'});
map {
$keywordout.='<td><input type=checkbox name="key.'.$_.'"';
if ($metadatafields{'keywords'}=~/$_/) {
$keywordout.=' checked';
}
$keywordout.='>'.$_.'</td>';
if ($colcount>10) {
$keywordout.="</tr><tr>\n";
$colcount=0;
}
$colcount++;
} sort keys %keywords;
} else {
$keywordout.='<td>File too long for keyword analysis</td>';
}
$keywordout.='</tr></table>';
$scrout.=$keywordout;
$scrout.=&textfield('Additional Keywords','addkey','');
$scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
$scrout.=
'<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
$metadatafields{'abstract'}.'</textarea>';
$source=~/\.(\w+)$/;
$scrout.=&hiddenfield('mime',$1);
$scrout.=&selectbox('Language','language',
$metadatafields{'language'},%language);
unless ($metadatafields{'creationdate'}) {
$metadatafields{'creationdate'}=time;
}
$scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
$scrout.=&hiddenfield('lastrevisiondate',time);
$scrout.=&textfield('Publisher/Owner','owner',
$metadatafields{'owner'});
# --------------------------------------------------- Correct copyright for rat
if ($style eq 'rat') {
if ($metadatafields{'copyright'} eq 'public') {
delete $metadatafields{'copyright'};
}
delete $cprtag{'public'};
}
$scrout.=&selectbox('Copyright/Distribution','copyright',
$metadatafields{'copyright'},%cprtag);
return $scrout.
'<p><input type="submit" value="Finalize Publication" /></p></form>';
}
# -------------------------------------------------------- Publication Step Two
sub phasetwo {
my ($source,$target,$style,$distarget)=@_;
my $logfile;
my $scrout='';
unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
return
'<font color=red>No write permission to user directory, FAIL</font>';
}
print $logfile
"\n================= Publish ".localtime()." Phase Two ================\n";
%metadatafields=();
%metadatakeys=();
&metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
$metadatafields{'title'}=$ENV{'form.title'};
$metadatafields{'author'}=$ENV{'form.author'};
$metadatafields{'subject'}=$ENV{'form.subject'};
$metadatafields{'notes'}=$ENV{'form.notes'};
$metadatafields{'abstract'}=$ENV{'form.abstract'};
$metadatafields{'mime'}=$ENV{'form.mime'};
$metadatafields{'language'}=$ENV{'form.language'};
$metadatafields{'creationdate'}=$ENV{'form.creationdate'};
$metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
$metadatafields{'owner'}=$ENV{'form.owner'};
$metadatafields{'copyright'}=$ENV{'form.copyright'};
$metadatafields{'dependencies'}=$ENV{'form.dependencies'};
my $allkeywords=$ENV{'form.addkey'};
map {
if ($_=~/^form\.key\.(\w+)/) {
$allkeywords.=','.$1;
}
} keys %ENV;
$allkeywords=~s/\W+/\,/;
$allkeywords=~s/^\,//;
$metadatafields{'keywords'}=$allkeywords;
{
print $logfile "\nWrite metadata file for ".$source;
my $mfh;
unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
return
'<font color=red>Could not write metadata, FAIL</font>';
}
map {
unless ($_=~/\./) {
my $unikey=$_;
$unikey=~/^([A-Za-z]+)/;
my $tag=$1;
$tag=~tr/A-Z/a-z/;
print $mfh "\n\<$tag";
map {
my $value=$metadatafields{$unikey.'.'.$_};
$value=~s/\"/\'\'/g;
print $mfh ' '.$_.'="'.$value.'"';
} split(/\,/,$metadatakeys{$unikey});
print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
}
} sort keys %metadatafields;
$scrout.='<p>Wrote Metadata';
print $logfile "\nWrote metadata";
}
# -------------------------------- Synchronize entry with SQL metadata database
my $warning;
unless ($metadatafields{'copyright'} eq 'priv') {
my $dbh;
{
unless (
$dbh = DBI->connect("DBI:mysql:loncapa","www",
$Apache::lonnet::perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
) {
$warning='<font color=red>WARNING: Cannot connect to '.
'database!</font>';
}
else {
my %sqldatafields;
$sqldatafields{'url'}=$distarget;
my $sth=$dbh->prepare(
'delete from metadata where url like binary'.
'"'.$sqldatafields{'url'}.'"');
$sth->execute();
map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
$sqldatafields{$_}=$field;}
('title','author','subject','keywords','notes','abstract',
'mime','language','creationdate','lastrevisiondate','owner',
'copyright');
$sth=$dbh->prepare('insert into metadata values ('.
'"'.delete($sqldatafields{'title'}).'"'.','.
'"'.delete($sqldatafields{'author'}).'"'.','.
'"'.delete($sqldatafields{'subject'}).'"'.','.
'"'.delete($sqldatafields{'url'}).'"'.','.
'"'.delete($sqldatafields{'keywords'}).'"'.','.
'"'.'current'.'"'.','.
'"'.delete($sqldatafields{'notes'}).'"'.','.
'"'.delete($sqldatafields{'abstract'}).'"'.','.
'"'.delete($sqldatafields{'mime'}).'"'.','.
'"'.delete($sqldatafields{'language'}).'"'.','.
'"'.
sqltime(delete($sqldatafields{'creationdate'}))
.'"'.','.
'"'.
sqltime(delete(
$sqldatafields{'lastrevisiondate'})).'"'.','.
'"'.delete($sqldatafields{'owner'}).'"'.','.
'"'.delete(
$sqldatafields{'copyright'}).'"'.')');
$sth->execute();
$dbh->disconnect;
$scrout.='<p>Synchronized SQL metadata database';
print $logfile "\nSynchronized SQL metadata database";
}
}
} else {
$scrout.='<p>Private Publication - did not synchronize database';
print $logfile "\nPrivate: Did not ynchronized SQL metadata database";
}
# ----------------------------------------------------------- Copy old versions
if (-e $target) {
my $filename;
my $maxversion=0;
$target=~/(.*)\/([^\/]+)\.(\w+)$/;
my $srcf=$2;
my $srct=$3;
my $srcd=$1;
unless ($srcd=~/^\/home\/httpd\/html\/res/) {
print $logfile "\nPANIC: Target dir is ".$srcd;
return "<font color=red>Invalid target directory, FAIL</font>";
}
opendir(DIR,$srcd);
while ($filename=readdir(DIR)) {
if ($filename=~/$srcf\.(\d+)\.$srct$/) {
$maxversion=($1>$maxversion)?$1:$maxversion;
}
}
closedir(DIR);
$maxversion++;
$scrout.='<p>Creating old version '.$maxversion;
print $logfile "\nCreating old version ".$maxversion;
my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
if (copy($target,$copyfile)) {
print $logfile "Copied old target to ".$copyfile."\n";
$scrout.='<p>Copied old target file';
} else {
print $logfile "Unable to write ".$copyfile.':'.$!."\n";
return "<font color=red>Failed to copy old target, $!, FAIL</font>";
}
# --------------------------------------------------------------- Copy Metadata
$copyfile=$copyfile.'.meta';
if (copy($target.'.meta',$copyfile)) {
print $logfile "Copied old target metadata to ".$copyfile."\n";
$scrout.='<p>Copied old metadata';
} else {
print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
if (-e $target.'.meta') {
return
"<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
}
}
} else {
$scrout.='<p>Initial version';
print $logfile "\nInitial version";
}
# ---------------------------------------------------------------- Write Source
my $copyfile=$target;
my @parts=split(/\//,$copyfile);
my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
my $count;
for ($count=5;$count<$#parts;$count++) {
$path.="/$parts[$count]";
if ((-e $path)!=1) {
print $logfile "\nCreating directory ".$path;
$scrout.='<p>Created directory '.$parts[$count];
mkdir($path,0777);
}
}
if (copy($source,$copyfile)) {
print $logfile "Copied original source to ".$copyfile."\n";
$scrout.='<p>Copied source file';
} else {
print $logfile "Unable to write ".$copyfile.':'.$!."\n";
return "<font color=red>Failed to copy source, $!, FAIL</font>";
}
# --------------------------------------------------------------- Copy Metadata
$copyfile=$copyfile.'.meta';
if (copy($source.'.meta',$copyfile)) {
print $logfile "Copied original metadata to ".$copyfile."\n";
$scrout.='<p>Copied metadata';
} else {
print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
return
"<font color=red>Failed to write metadata copy, $!, FAIL</font>";
}
# --------------------------------------------------- Send update notifications
{
my $filename;
$target=~/(.*)\/([^\/]+)$/;
my $srcf=$2;
opendir(DIR,$1);
while ($filename=readdir(DIR)) {
if ($filename=~/$srcf\.(\w+)$/) {
my $subhost=$1;
if ($subhost ne 'meta') {
$scrout.='<p>Notifying host '.$subhost.':';
print $logfile "\nNotifying host '.$subhost.':'";
my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
$scrout.=$reply;
print $logfile $reply;
}
}
}
closedir(DIR);
}
# ---------------------------------------- Send update notifications, meta only
{
my $filename;
$target=~/(.*)\/([^\/]+)$/;
my $srcf=$2.'.meta';
opendir(DIR,$1);
while ($filename=readdir(DIR)) {
if ($filename=~/$srcf\.(\w+)$/) {
my $subhost=$1;
if ($subhost ne 'meta') {
$scrout.=
'<p>Notifying host for metadata only '.$subhost.':';
print $logfile
"\nNotifying host for metadata only '.$subhost.':'";
my $reply=&Apache::lonnet::critical(
'update:'.$target.'.meta',$subhost);
$scrout.=$reply;
print $logfile $reply;
}
}
}
closedir(DIR);
}
# ------------------------------------------------ Provide link to new resource
my $thisdistarget=$target;
$thisdistarget=~s/^$docroot//;
my $thissrc=$source;
$thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
my $thissrcdir=$thissrc;
$thissrcdir=~s/\/[^\/]+$/\//;
return $warning.$scrout.
'<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
'<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
'<p><a href="'.$thissrcdir.
'"><font size=+2>Back to Source Directory</font></a>';
}
# ================================================================ Main Handler
sub handler {
my $r=shift;
if ($r->header_only) {
$r->content_type('text/html');
$r->send_http_header;
return OK;
}
# Get query string for limited number of parameters
map {
my ($name, $value) = split(/=/,$_);
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
if ($name eq 'filename') {
unless ($ENV{'form.'.$name}) {
$ENV{'form.'.$name}=$value;
}
}
} (split(/&/,$ENV{'QUERY_STRING'}));
# -------------------------------------------------------------- Check filename
my $fn=$ENV{'form.filename'};
unless ($fn) {
$r->log_reason($cuname.' at '.$cudom.
' trying to publish empty filename', $r->filename);
return HTTP_NOT_FOUND;
}
($cuname,$cudom)=
&Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
unless (($cuname) && ($cudom)) {
$r->log_reason($cuname.' at '.$cudom.
' trying to publish file '.$ENV{'form.filename'}.
' ('.$fn.') - not authorized',
$r->filename);
return HTTP_NOT_ACCEPTABLE;
}
unless (&Apache::lonnet::homeserver($cuname,$cudom)
eq $r->dir_config('lonHostID')) {
$r->log_reason($cuname.' at '.$cudom.
' trying to publish file '.$ENV{'form.filename'}.
' ('.$fn.') - not homeserver ('.
&Apache::lonnet::homeserver($cuname,$cudom).')',
$r->filename);
return HTTP_NOT_ACCEPTABLE;
}
$fn=~s/^http\:\/\/[^\/]+//;
$fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
my $targetdir='';
$docroot=$r->dir_config('lonDocRoot');
if ($1 ne $cuname) {
$r->log_reason($cuname.' at '.$cudom.
' trying to publish unowned file '.$ENV{'form.filename'}.
' ('.$fn.')',
$r->filename);
return HTTP_NOT_ACCEPTABLE;
} else {
$targetdir=$docroot.'/res/'.$cudom;
}
unless (-e $fn) {
$r->log_reason($cuname.' at '.$cudom.
' trying to publish non-existing file '.$ENV{'form.filename'}.
' ('.$fn.')',
$r->filename);
return HTTP_NOT_FOUND;
}
unless ($ENV{'form.phase'} eq 'two') {
# --------------------------------- 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;
}
}
%nokey=();
{
my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
map {
my $word=$_;
chomp($word);
$nokey{$word}=1;
} <$fh>;
}
%language=();
{
my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
map {
$_=~/(\w+)\s+([\w\s\-]+)/;
$language{$1}=$2;
} <$fh>;
}
%cprtag=();
{
my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
map {
$_=~/(\w+)\s+([\w\s\-]+)/;
$cprtag{$1}=$2;
} <$fh>;
}
}
# ----------------------------------------------------------- Start page output
$r->content_type('text/html');
$r->send_http_header;
$r->print('<html><head><title>LON-CAPA Publishing</title></head>');
$r->print(
'<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
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;
$thisdisfn=~s/^\/home\/$cuname\/public_html\///;
$r->print('<h2>Publishing '.
&Apache::lonnet::filedescription($thistype).' <tt>'.
$thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
$r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
'</font></h3>');
}
if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
$r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
$thisdisfn.
'&versionone=priv" target=cat>Diffs with Current Version</a><p>');
}
# ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
unless ($ENV{'form.phase'} eq 'two') {
$r->print(
'<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
} else {
$r->print(
'<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
}
}
$r->print('</body></html>');
return OK;
}
1;
__END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonpublisher.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / publisher