--- loncom/publisher/lonpubdir.pm 2001/05/03 11:04:07 1.5 +++ loncom/publisher/lonpubdir.pm 2002/02/05 22:25:00 1.22 @@ -1,16 +1,45 @@ # The LearningOnline Network with CAPA -# # (Publication Handler +# +# $Id: lonpubdir.pm,v 1.22 2002/02/05 22:25:00 foxr 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 # +# YEAR=2000 # 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 +# YEAR=2001 # 03/23 Guy Albertelli # 03/24,03/29 Gerd Kortemeyer) +# 03/31,04/03,05/09,06/23,08/18,08/20 Gerd Kortemeyer +# 12/15 Scott Harrison +# 12/28 Gerd Kortemeyer # -# 03/31,04/03 Gerd Kortemeyer +### package Apache::lonpubdir; @@ -18,7 +47,8 @@ use strict; use Apache::File; use File::Copy; use Apache::Constants qw(:common :http :methods); - +use Apache::loncacc; +use Apache::loncommon(); sub handler { @@ -33,6 +63,20 @@ sub handler { } else { $fn=$r->filename(); } + + my $uname; + my $udom; + + ($uname,$udom)= + &Apache::loncacc::constructaccess( + $fn,$r->dir_config('lonDefDomain')); + unless (($uname) && ($udom)) { + $r->log_reason($uname.' at '.$udom. + ' trying to publish file '.$ENV{'form.filename'}. + ' ('.$fn.') - not authorized', + $r->filename); + return HTTP_NOT_ACCEPTABLE; + } $fn=~s/\/$//; @@ -44,8 +88,6 @@ sub handler { # ----------------------------------------------------------- Start page output - my $uname=$ENV{'user.name'}; - my $udom=$ENV{'user.domain'}; $r->content_type('text/html'); $r->send_http_header; @@ -59,60 +101,43 @@ sub handler { $thisdisfn=~s/^\/home\/$uname\/public_html//; $r->print('

Construction Space Directory '.$thisdisfn.'/

'); + + if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) { + $r->print('

Co-Author: '.$uname.' at '.$udom. + '

'); + } + my $docroot=$r->dir_config('lonDocRoot'); my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn; + my $targetdir=$udom.'/'.$uname.$thisdisfn; my $linkdir='/~'.$uname.$thisdisfn; $r->print(''. - ''); + ''. + ''); my $filename; my $dirptr=16384; opendir(DIR,$fn); - while ($filename=readdir(DIR)) { + my @files=sort(readdir(DIR)); + foreach my $filename (@files) { my ($cdev,$cino,$cmode,$cnlink, $cuid,$cgid,$crdev,$csize, $catime,$cmtime,$cctime, $cblksize,$cblocks)=stat($fn.'/'.$filename); - $filename=~/\.(\w+)$/; - if (($1 ne 'meta') && (&Apache::lonnet::fileembstyle($1))) { - my $status='Unpublished'; - my $bgcol='#FFBBBB'; - if (-e $resdir.'/'.$filename) { - my ($rdev,$rino,$rmode,$rnlink, - $ruid,$rgid,$rrdev,$rsize, - $ratime,$rmtime,$rctime, - $rblksize,$rblocks)=stat($resdir.'/'.$filename); - if ($rmtime>=$cmtime) { - $status='Published'; - $bgcol='#BBFFBB'; - } else { - $status='Modified'; - $bgcol='#FFFFBB'; - if - (&Apache::lonnet::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') { - $status.='
Diffs'; - } - } - } - $r->print(''); - } elsif ($cmode&$dirptr) { - my $disfilename=$filename; - if ($filename eq '..') { - $disfilename='Parent Directory'; - } - unless ((($filename eq '..') && ($thisdisfn eq '')) || - ($filename eq '.')) { - $r->print(''); - } + + my $extension=''; + if ($filename=~/\.(\w+)$/) { $extension=$1; } + if ($cmode&$dirptr) { + putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime); + } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') { + putresource($r, $uname, $filename, $thisdisfn, $resdir, + $targetdir, $linkdir, $cmtime); + } else { + # "hidden" extension and not a directory, so hide it away. } } closedir(DIR); @@ -120,6 +145,139 @@ sub handler { $r->print('
FilenameModifiedStatus
ActionsNameTitleStatusLast Modified
'.$filename. - ''.localtime($cmtime).''.$status.'
'.$disfilename. - ''.localtime($cmtime).' 
'); return OK; } +# +# Put out a directory table row: +# putdirectory(r, base, here, dirname, modtime) +# r - Apache request object. +# reqfile - File in request. +# here - Where we are in directory tree. +# dirname - Name of directory special file. +# modtime - Encoded modification time. +# +sub putdirectory { + my ($r, $reqfile, $here, $dirname, $modtime) = @_; + + # construct the display filename: the directory name unless ..: + + my $disfilename = $dirname; + if ($dirname eq '..') { + $disfilename = 'Parent Directory'; + } + unless (( ($dirname eq '..') && ($reqfile eq '')) || + ($dirname eq '.')) { + $r->print(''. + 'Click to cwd'. + ''. + $disfilename.''. + ' '. + ' '. + ''.localtime($modtime).''. + ''); + } + return OK; +} +# +# Put a table row for a file resource. +# +sub putresource { + my ($r, $uname, $filename, $thisdisfn, + $resdir, $targetdir, $linkdir, + $cmtime) = @_; + + my $status='Unpublished'; + my $title=' '; + if (-e $resdir.'/'.$filename) { + my ($rdev,$rino,$rmode,$rnlink, + $ruid,$rgid,$rrdev,$rsize, + $ratime,$rmtime,$rctime, + $rblksize,$rblocks)=stat($resdir.'/'.$filename); + if ($rmtime>=$cmtime) { + $status='Published'; + $title=''. + &Apache::lonnet::metadata($targetdir.'/'.$filename,'title').''; + } else { + $status='Modified'; + $title=''. + &Apache::lonnet::metadata($targetdir.'/'.$filename,'title').''; + if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') { + $status.='
Diffs'; + } + } + $status.='
Retrieve'; + } + $r->print(''. + ''.'Publish'. + ''. + ''. + ''.$filename.''. + ''. + ''.$title.''. + ''.$status.''. + ''.localtime($cmtime).''. + ''); + return OK; +} 1; __END__ + +=head1 NAME + +Apache::lonpubdir - Publication Handler for Directories + +=head1 SYNOPSIS + +Invoked (for various locations) by /etc/httpd/conf/srm.conf: + + + PerlAccessHandler Apache::loncacc + SetHandler perl-script + PerlHandler Apache::lonpubdir + ErrorDocument 403 /adm/login + ErrorDocument 404 /adm/notfound.html + ErrorDocument 406 /adm/unauthorized.html + ErrorDocument 500 /adm/errorhandler + + + + PerlAccessHandler Apache::lonacc + SetHandler perl-script + PerlHandler Apache::lonpubdir + ErrorDocument 403 /adm/login + ErrorDocument 404 /adm/notfound.html + ErrorDocument 406 /adm/unauthorized.html + ErrorDocument 500 /adm/errorhandler + + +=head1 INTRODUCTION + +This module publishes a directory of files. + +This is part of the LearningOnline Network with CAPA project +described at http://www.lon-capa.org. + +=head1 HANDLER SUBROUTINE + +This routine is called by Apache and mod_perl. + +=over 4 + +=item * + +read in information + +=item * + +start page output + +=item * + +run through list of files and attempt to publish unhidden files + +=back + +=cut