version 1.8, 2001/05/26 15:29:22
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version 1.24, 2002/04/09 06:01:56
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# |
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# (Publication Handler |
# (Publication Handler |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# |
# |
# (TeX Content Handler |
# (TeX Content Handler |
# |
# |
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# YEAR=2000 |
# 05/29/00,05/30,10/11 Gerd Kortemeyer) |
# 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 |
# 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer |
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# YEAR=2001 |
# 03/23 Guy Albertelli |
# 03/23 Guy Albertelli |
# 03/24,03/29 Gerd Kortemeyer) |
# 03/24,03/29 Gerd Kortemeyer) |
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# 03/31,04/03,05/09,06/23,08/18,08/20 Gerd Kortemeyer |
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# 12/15 Scott Harrison |
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# 12/28 Gerd Kortemeyer |
# |
# |
# 03/31,04/03,05/09 Gerd Kortemeyer |
### |
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package Apache::lonpubdir; |
package Apache::lonpubdir; |
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Line 19 use Apache::File;
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Line 48 use Apache::File;
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use File::Copy; |
use File::Copy; |
use Apache::Constants qw(:common :http :methods); |
use Apache::Constants qw(:common :http :methods); |
use Apache::loncacc; |
use Apache::loncacc; |
use Apache::lonnet; |
use Apache::loncommon(); |
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sub handler { |
sub handler { |
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Line 28 sub handler {
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Line 56 sub handler {
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my $fn; |
my $fn; |
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if ($ENV{'form.filename'}) { |
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$fn=$ENV{'form.filename'}; |
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$fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/; |
$fn = getEffectiveUrl($r); |
$fn=~s/\/[^\/]+$//; |
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} else { |
# Validate access to the construction space and get username@domain. |
$fn=$r->filename(); |
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} |
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my $uname; |
my $uname; |
my $udom; |
my $udom; |
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unless (($uname,$udom)= |
($uname,$udom)= |
&Apache::loncacc::constructaccess( |
&Apache::loncacc::constructaccess( |
$fn,$r->dir_config('lonDefDomain'))) { |
$fn,$r->dir_config('lonDefDomain')); |
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unless (($uname) && ($udom)) { |
$r->log_reason($uname.' at '.$udom. |
$r->log_reason($uname.' at '.$udom. |
' trying to publish file '.$ENV{'form.filename'}. |
' trying to publish file '.$ENV{'form.filename'}. |
' ('.$fn.') - not authorized', |
' ('.$fn.') - not authorized', |
$r->filename); |
$r->filename); |
return HTTP_NOT_ACCEPTABLE; |
return HTTP_NOT_ACCEPTABLE; |
} |
} |
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# Remove trailing / from direcgtory name. |
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$fn=~s/\/$//; |
$fn=~s/\/$//; |
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unless ($fn) { |
unless ($fn) { |
Line 59 sub handler {
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Line 88 sub handler {
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# ----------------------------------------------------------- Start page output |
# ----------------------------------------------------------- Start page output |
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my $thisdisfn=$fn; |
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$thisdisfn=~s/^\/home\/$uname\/public_html//; # subdirectory part of |
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# construction space. |
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my $docroot=$r->dir_config('lonDocRoot'); # Apache londocument root. |
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$r->content_type('text/html'); |
my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn; # Resource directory |
$r->send_http_header; |
my $targetdir=$udom.'/'.$uname.$thisdisfn; # Publiction target directory. |
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my $linkdir='/~'.$uname.$thisdisfn; # Full URL name of constr space. |
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$r->print('<html><head><title>LON-CAPA Construction Space</title></head>'); |
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$r->print( |
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'<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>'); |
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my $thisdisfn=$fn; |
startpage($r, $uname, $udom, $thisdisfn); # Put out the start of page. |
$thisdisfn=~s/^\/home\/$uname\/public_html//; |
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$r->print('<h1>Construction Space Directory <tt>'.$thisdisfn.'/</tt></h1>'); |
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if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) { |
# Start off the diretory table. |
$r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom. |
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'</font></h3>'); |
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} |
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my $docroot=$r->dir_config('lonDocRoot'); |
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my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn; |
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my $linkdir='/~'.$uname.$thisdisfn; |
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$r->print('<table border=2>'. |
$r->print('<table border=2>'. |
'<tr><th>Filename</th><th>Modified</th><th>Status</th></tr>'); |
'<tr><th>Actions</th><th>Name</th><th>Title</th>'. |
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'<th>Status</th><th>Last Modified</th></tr>'); |
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my $filename; |
my $filename; |
my $dirptr=16384; |
my $dirptr=16384; # Mask indicating a directory in stat.cmode. |
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opendir(DIR,$fn); |
opendir(DIR,$fn); |
while ($filename=readdir(DIR)) { |
my @files=sort(readdir(DIR)); |
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foreach my $filename (@files) { |
my ($cdev,$cino,$cmode,$cnlink, |
my ($cdev,$cino,$cmode,$cnlink, |
$cuid,$cgid,$crdev,$csize, |
$cuid,$cgid,$crdev,$csize, |
$catime,$cmtime,$cctime, |
$catime,$cmtime,$cctime, |
$cblksize,$cblocks)=stat($fn.'/'.$filename); |
$cblksize,$cblocks)=stat($fn.'/'.$filename); |
$filename=~/\.(\w+)$/; |
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if (($1 ne 'meta') && (&Apache::lonnet::fileembstyle($1))) { |
my $extension=''; |
my $status='Unpublished'; |
if ($filename=~/\.(\w+)$/) { $extension=$1; } |
my $bgcol='#FFBBBB'; |
if ($cmode&$dirptr) { |
if (-e $resdir.'/'.$filename) { |
putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime); |
my ($rdev,$rino,$rmode,$rnlink, |
} elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') { |
$ruid,$rgid,$rrdev,$rsize, |
putresource($r, $uname, $filename, $thisdisfn, $resdir, |
$ratime,$rmtime,$rctime, |
$targetdir, $linkdir, $cmtime); |
$rblksize,$rblocks)=stat($resdir.'/'.$filename); |
} else { |
if ($rmtime>=$cmtime) { |
# "hidden" extension and not a directory, so hide it away. |
$status='Published'; |
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$bgcol='#BBFFBB'; |
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} else { |
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$status='Modified'; |
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$bgcol='#FFFFBB'; |
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if |
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(&Apache::lonnet::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') { |
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$status.='<br><a href="/adm/diff?filename=/~'.$uname. |
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'/'.$filename. |
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'&versionone=priv" target=cat>Diffs</a>'; |
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} |
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} |
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} |
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$r->print('<tr bgcolor='.$bgcol. |
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'><td><a href="'.$linkdir.'/'.$filename.'">'.$filename. |
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'</a></td><td>'.localtime($cmtime).'</td><td>'.$status.'</td></tr>'); |
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} elsif ($cmode&$dirptr) { |
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my $disfilename=$filename; |
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if ($filename eq '..') { |
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$disfilename='<i>Parent Directory</i>'; |
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} |
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unless ((($filename eq '..') && ($thisdisfn eq '')) || |
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($filename eq '.')) { |
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$r->print('<tr bgcolor=#BBBBFF'. |
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'><td><a href="'.$linkdir.'/'.$filename.'">'.$disfilename. |
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'</a></td><td>'.localtime($cmtime).'</td><td> </td></tr>'); |
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} |
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} |
} |
} |
} |
closedir(DIR); |
closedir(DIR); |
Line 140 sub handler {
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Line 134 sub handler {
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$r->print('</table></body></html>'); |
$r->print('</table></body></html>'); |
return OK; |
return OK; |
} |
} |
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# |
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# Gets the effective URL of the request and returns it: |
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# $effn = getEffectiveUrl($r); |
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# $r - The Apache Request object. |
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sub getEffectiveUrl { |
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my $r = shift; |
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my $fn; |
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if ($ENV{'form.filename'}) { # If a form filename is defined. |
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$fn=$ENV{'form.filename'}; |
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# |
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# Replace the ~username of the URL with /home/username/public_html |
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# so that we don't have to worry about ~ expansion internally. |
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# |
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$fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/; |
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# Remove trailing / strings (?) |
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$fn=~s/\/[^\/]+$//; |
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} else { |
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# If no form is defined, use request filename. |
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$fn = $r->filename(); |
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my $lonDocRoot=$r->dir_config('lonDocRoot'); |
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if ( $fn =~ /$lonDocRoot/ ) { |
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#internal authentication, needs fixup. |
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$fn = $r->uri(); # non users do not get the full path request |
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# through SCRIPT_FILENAME |
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$fn=~s|^/~(\w+)|/home/$1/public_html|; |
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} |
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} |
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return $fn; |
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} |
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# |
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# Output the header of the page. This includes: |
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# - The HTML header |
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# - The H1/H3 stuff which includes the directory. |
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# |
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# startpage($r, $uame, $udom, $thisdisfn); |
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# $r - The apache request object. |
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# $uname - User name. |
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# $udom - Domain name the user is logged in under. |
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# $thisdisfn - Displayable version of the filename. |
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sub startpage { |
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my ($r, $uname, $udom, $thisdisfn) = @_; |
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$r->content_type('text/html'); |
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$r->send_http_header; |
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$r->print('<html><head><title>LON-CAPA Construction Space</title></head>'); |
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$r->print('<body bgcolor="#FFFFFF"><img align=right '. |
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'src=/adm/lonIcons/lonlogos.gif>'); |
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$r->print('<h1>Construction Space Directory <tt>'. |
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$thisdisfn.'/</tt></h1>'); |
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if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) { |
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$r->print('<h3>Co-Author: '.$uname.' at '.$udom. |
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'</h3>'); |
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} |
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} |
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# |
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# Get the title string or "[untitled]" if the file has no title metadata: |
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# Without the latter substitution, it's impossible to examine metadata for |
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# untitled resources. Resources may be legitimately untitled, to prevent |
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# searches from locating them. |
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# |
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# $str = getTitleString($fullname); |
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# $fullname - Fully qualified filename to check. |
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# |
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sub getTitleString { |
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my $fullname = shift; |
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my $title = &Apache::lonnet::metadata($fullname, 'title'); |
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unless ($title) { |
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$title = "[untitled]"; |
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} |
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return $title; |
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} |
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# |
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# Put out a directory table row: |
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# putdirectory(r, base, here, dirname, modtime) |
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# r - Apache request object. |
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# reqfile - File in request. |
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# here - Where we are in directory tree. |
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# dirname - Name of directory special file. |
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# modtime - Encoded modification time. |
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# |
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sub putdirectory { |
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my ($r, $reqfile, $here, $dirname, $modtime) = @_; |
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# construct the display filename: the directory name unless ..: |
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my $disfilename = $dirname; |
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if ($dirname eq '..') { |
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$disfilename = '<i>Parent Directory</i>'; |
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} |
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unless (( ($dirname eq '..') && ($reqfile eq '')) || |
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($dirname eq '.')) { |
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$r->print('<tr>'. |
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'<td>Click to cwd</td>'. |
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'<td><a href="'.$here.'/'.$dirname.'/">'. |
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$disfilename.'</a></td>'. |
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'<td> </td>'. |
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'<td> </td>'. |
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'<td>'.localtime($modtime).'</td>'. |
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'</tr>'); |
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} |
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return OK; |
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} |
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# |
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# Put a table row for a file resource. |
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# |
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sub putresource { |
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my ($r, $uname, $filename, $thisdisfn, |
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$resdir, $targetdir, $linkdir, |
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$cmtime) = @_; |
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my $status='Unpublished'; |
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my $title=' '; |
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if (-e $resdir.'/'.$filename) { |
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my ($rdev,$rino,$rmode,$rnlink, |
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$ruid,$rgid,$rrdev,$rsize, |
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$ratime,$rmtime,$rctime, |
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$rblksize,$rblocks)=stat($resdir.'/'.$filename); |
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if ($rmtime>=$cmtime) { |
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$status='Published'; |
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$title='<a href="/res/'.$targetdir.'/'.$filename. |
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'.meta" target=cat>'. |
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getTitleString($targetdir.'/'.$filename, 'title').'</a>'; |
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} else { |
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$status='Modified'; |
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$title='<a href="/res/'.$targetdir.'/'.$filename.'.meta" target=cat>'. |
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&Apache::lonnet::metadata($targetdir.'/'.$filename,'title').'</a>'; |
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if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') { |
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$status.='<br><a href="/adm/diff?filename=/~'.$uname. |
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$thisdisfn.'/'.$filename. |
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'&versionone=priv" target=cat>Diffs</a>'; |
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} |
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} |
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$status.='<br><a href="/adm/retrieve?filename=/~'.$uname. |
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$thisdisfn.'/'.$filename.'" target=cat>Retrieve</a>'; |
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} |
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$r->print('<tr>'. |
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'<td><a target="_parent" href="/adm/publish?filename=/~'. |
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$uname.$thisdisfn.'/'.$filename.'">'.'Publish</a>'. |
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'</td>'. |
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'<td>'. |
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'<a href="'.$linkdir.'/'.$filename.'">'.$filename.'</a>'. |
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'</td>'. |
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'<td>'.$title.'</td>'. |
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'<td>'.$status.'</td>'. |
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'<td>'.localtime($cmtime).'</td>'. |
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'</tr>'); |
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return OK; |
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} |
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# |
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# Categorize files in the directory. |
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# For each file in a list of files in a file directory, |
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# the file categorized as one of: |
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# - directory |
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# - sequence |
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# - problem |
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# - Other resource. |
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# |
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# For each file the modification date is determined as well. |
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# Returned is a list of sublists: |
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# (directories, sequences, problems, other) |
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# each of the sublists contains entries of the following form (sorted by |
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# filename): |
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# (filename, typecode, lastmodtime) |
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# |
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# $list = CategorizeFiles($location, $files) |
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# $location - Directory in which the files live (relative to our |
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# execution. |
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# $files - list of files. |
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# |
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sub CategorizeFiles { |
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my $location = shift; |
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my $files = shift; |
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} |
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1; |
1; |
__END__ |
__END__ |
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=head1 NAME |
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Apache::lonpubdir - Publication Handler for Directories |
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=head1 SYNOPSIS |
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Invoked (for various locations) by /etc/httpd/conf/srm.conf: |
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<LocationMatch "^/\~.*/$"> |
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PerlAccessHandler Apache::loncacc |
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SetHandler perl-script |
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PerlHandler Apache::lonpubdir |
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ErrorDocument 403 /adm/login |
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ErrorDocument 404 /adm/notfound.html |
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ErrorDocument 406 /adm/unauthorized.html |
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ErrorDocument 500 /adm/errorhandler |
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</LocationMatch> |
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<Location /adm/pubdir> |
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PerlAccessHandler Apache::lonacc |
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SetHandler perl-script |
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PerlHandler Apache::lonpubdir |
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ErrorDocument 403 /adm/login |
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ErrorDocument 404 /adm/notfound.html |
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ErrorDocument 406 /adm/unauthorized.html |
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ErrorDocument 500 /adm/errorhandler |
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</Location> |
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=head1 INTRODUCTION |
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This module publishes a directory of files. |
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This is part of the LearningOnline Network with CAPA project |
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described at http://www.lon-capa.org. |
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=head1 HANDLER SUBROUTINE |
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This routine is called by Apache and mod_perl. |
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=over 4 |
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=item * |
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read in information |
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=item * |
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start page output |
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=item * |
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run through list of files and attempt to publish unhidden files |
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=back |
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=cut |