version 1.12, 2001/05/24 21:43:05
|
version 1.18, 2002/05/30 14:08:42
|
Line 1
|
Line 1
|
# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# Handler to retrieve an old version of a file |
# Handler to retrieve an old version of a file |
# |
# |
|
# $Id$ |
|
# |
|
# 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/ |
|
# |
|
# |
# (Publication Handler |
# (Publication Handler |
# |
# |
# (TeX Content Handler |
# (TeX Content Handler |
# |
# |
|
# 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 |
|
# YEAR=2001 |
# 03/23 Guy Albertelli |
# 03/23 Guy Albertelli |
# 03/24,03/29 Gerd Kortemeyer) |
# 03/24,03/29 Gerd Kortemeyer) |
# |
# |
# 03/31,04/03,05/02,05/09 Gerd Kortemeyer |
# 03/31,04/03,05/02,05/09,06/23,08/20 Gerd Kortemeyer |
|
# 12/16 Scott Harrison |
|
# |
|
### |
|
|
package Apache::lonretrieve; |
package Apache::lonretrieve; |
|
|
Line 20 use Apache::File;
|
Line 50 use Apache::File;
|
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::loncommon(); |
|
|
|
# ------------------------------------ Interface for selecting previous version |
sub phaseone { |
sub phaseone { |
my ($r,$fn,$uname,$udom)=@_; |
my ($r,$fn,$uname,$udom)=@_; |
my $docroot=$r->dir_config('lonDocRoot'); |
my $docroot=$r->dir_config('lonDocRoot'); |
Line 57 sub phaseone {
|
Line 89 sub phaseone {
|
localtime($rmtime).'</td><td>'. |
localtime($rmtime).'</td><td>'. |
'<a href="'.$urldir.$filename.'.meta" target=cat>'. |
'<a href="'.$urldir.$filename.'.meta" target=cat>'. |
'Metadata Version '.$version.'</a>'); |
'Metadata Version '.$version.'</a>'); |
if (&Apache::lonnet::fileembstyle($suffix) eq 'ssi') { |
if (&Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
$r->print( |
$r->print( |
' <a target=cat href="/adm/diff?filename=/~'. |
' <a target=cat href="/adm/diff?filename=/~'. |
$uname.$fn. |
$uname.$fn. |
Line 76 sub phaseone {
|
Line 108 sub phaseone {
|
'<th>Current</th><td>'.localtime($rmtime). |
'<th>Current</th><td>'.localtime($rmtime). |
'</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'. |
'</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'. |
'Metadata current version</a>'); |
'Metadata current version</a>'); |
if (&Apache::lonnet::fileembstyle($suffix) eq 'ssi') { |
if (&Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
$r->print( |
$r->print( |
' <a target=cat href="/adm/diff?filename=/~'. |
' <a target=cat href="/adm/diff?filename=/~'. |
$uname.$fn. |
$uname.$fn. |
Line 92 sub phaseone {
|
Line 124 sub phaseone {
|
} |
} |
} |
} |
|
|
|
# ---------------------------------- Interface for presenting specified version |
sub phasetwo { |
sub phasetwo { |
my ($r,$fn,$uname,$udom)=@_; |
my ($r,$fn,$uname,$udom)=@_; |
if ($ENV{'form.version'}) { |
if ($ENV{'form.version'}) { |
Line 133 sub phasetwo {
|
Line 166 sub phasetwo {
|
} |
} |
} |
} |
|
|
|
# ---------------------------------------------------------------- Main Handler |
sub handler { |
sub handler { |
|
|
my $r=shift; |
my $r=shift; |
|
|
my $fn; |
my $fn; |
|
|
|
|
|
# Get query string for limited number of parameters |
|
|
|
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
|
['filename']); |
|
|
if ($ENV{'form.filename'}) { |
if ($ENV{'form.filename'}) { |
$fn=$ENV{'form.filename'}; |
$fn=$ENV{'form.filename'}; |
$fn=~s/^http\:\/\/[^\/]+//; |
$fn=~s/^http\:\/\/[^\/]+//; |
Line 158 sub handler {
|
Line 198 sub handler {
|
my $uname; |
my $uname; |
my $udom; |
my $udom; |
|
|
unless (($uname,$udom)= |
($uname,$udom)= |
&Apache::loncacc::constructaccess( |
&Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain')); |
$fn,$r->dir_config('lonDefDomain'))) { |
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', |
Line 199 sub handler {
|
Line 239 sub handler {
|
|
|
1; |
1; |
__END__ |
__END__ |
|
|
|
=head1 NAME |
|
|
|
Apache::lonretrieve - retrieves an old version of a file |
|
|
|
=head1 SYNOPSIS |
|
|
|
Invoked by /etc/httpd/conf/srm.conf: |
|
|
|
<Location /adm/retrieve> |
|
PerlAccessHandler Apache::lonacc |
|
SetHandler perl-script |
|
PerlHandler Apache::lonretrieve |
|
ErrorDocument 403 /adm/login |
|
ErrorDocument 404 /adm/notfound.html |
|
ErrorDocument 406 /adm/unauthorized.html |
|
ErrorDocument 500 /adm/errorhandler |
|
</Location> |
|
|
|
=head1 INTRODUCTION |
|
|
|
This module retrieves an old published version of a file. |
|
|
|
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 * |
|
|
|
Get query string for limited number of parameters |
|
|
|
=item * |
|
|
|
Start page output |
|
|
|
=item * |
|
|
|
print phase relevant output |
|
|
|
=item * |
|
|
|
(phase one is to select version; phase two retrieves version) |
|
|
|
=back |
|
|
|
=head1 OTHER SUBROUTINES |
|
|
|
=over 4 |
|
|
|
=item * |
|
|
|
phaseone() : Interface for selecting previous version. |
|
|
|
=item * |
|
|
|
phasetwo() : Interface for presenting specified version. |
|
|
|
=back |
|
|
|
=cut |