version 1.8, 2001/05/02 21:35:15
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version 1.17, 2002/05/29 18:25:17
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# 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 |
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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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# |
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# (Publication Handler |
# (Publication Handler |
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# |
# (TeX Content Handler |
# (TeX Content Handler |
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# |
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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) |
# |
# |
# 03/31,04/03,05/02 Gerd Kortemeyer |
# 03/31,04/03,05/02,05/09,06/23,08/20 Gerd Kortemeyer |
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# 12/16 Scott Harrison |
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# |
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### |
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package Apache::lonretrieve; |
package Apache::lonretrieve; |
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Line 19 use strict;
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Line 49 use strict;
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use Apache::File; |
use Apache::File; |
use File::Copy; |
use File::Copy; |
use Apache::Constants qw(:common :http :methods); |
use Apache::Constants qw(:common :http :methods); |
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use Apache::loncacc; |
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use Apache::loncommon(); |
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# ------------------------------------ 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 37 sub phaseone {
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Line 70 sub phaseone {
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if (-e $resfn) { |
if (-e $resfn) { |
$r->print('<form action=/adm/retrieve method=post>'. |
$r->print('<form action=/adm/retrieve method=post>'. |
'<input type=hidden name=filename value="'.$fn.'">'. |
'<input type=hidden name=filename value="/~'.$uname.$fn.'">'. |
'<input type=hidden name=phase value=two>'. |
'<input type=hidden name=phase value=two>'. |
'<table border=2><tr><th>Select</th><th>Version</th>'. |
'<table border=2><tr><th>Select</th><th>Version</th>'. |
'<th>Became this version on ...</th>'. |
'<th>Became this version on ...</th>'. |
Line 55 sub phaseone {
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Line 88 sub phaseone {
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$version.'"></td><th>'.$version.'</th><td>'. |
$version.'"></td><th>'.$version.'</th><td>'. |
localtime($rmtime).'</td><td>'. |
localtime($rmtime).'</td><td>'. |
'<a href="'.$urldir.$filename.'.meta" target=cat>'. |
'<a href="'.$urldir.$filename.'.meta" target=cat>'. |
'Metadata Version '.$version); |
'Metadata Version '.$version.'</a>'); |
if (&Apache::lonnet::fileembstyle($suffix) eq 'ssi') { |
if (&Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
$r->print( |
$r->print( |
' <a target=cat href="/adm/diff?filename='.$fn. |
' <a target=cat href="/adm/diff?filename=/~'. |
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$uname.$fn. |
'&versionone=priv&versiontwo='.$version. |
'&versionone=priv&versiontwo='.$version. |
'">Diffs with Version '.$version.'</a>'); |
'">Diffs with Version '.$version.'</a>'); |
} |
} |
Line 73 sub phaseone {
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Line 107 sub phaseone {
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$r->print('<tr><td><input type=radio name=version value="new"></td>'. |
$r->print('<tr><td><input type=radio name=version value="new"></td>'. |
'<th>Current</th><td>'.localtime($rmtime). |
'<th>Current</th><td>'.localtime($rmtime). |
'</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'. |
'</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'. |
'Metadata current version</a></td></tr></table><p>'. |
'Metadata current version</a>'); |
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if (&Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
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$r->print( |
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' <a target=cat href="/adm/diff?filename=/~'. |
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$uname.$fn. |
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'&versionone=priv'. |
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'">Diffs with current Version</a>'); |
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} |
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$r->print('</td></tr></table><p>'. |
'<font size=+1 color=red>Retrieval of an old version will '. |
'<font size=+1 color=red>Retrieval of an old version will '. |
'overwrite the file currently in construction space</font><p>'. |
'overwrite the file currently in construction space</font><p>'. |
'<input type=submit value="Retrieve version"></form>'); |
'<input type=submit value="Retrieve version"></form>'); |
Line 82 sub phaseone {
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Line 124 sub phaseone {
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} |
} |
} |
} |
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# ---------------------------------- 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 123 sub phasetwo {
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Line 166 sub phasetwo {
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} |
} |
} |
} |
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# ---------------------------------------------------------------- Main Handler |
sub handler { |
sub handler { |
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my $r=shift; |
my $r=shift; |
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my $fn; |
my $fn; |
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# Get query string for limited number of parameters |
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&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
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['filename'); |
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if ($ENV{'form.filename'}) { |
if ($ENV{'form.filename'}) { |
$fn=$ENV{'form.filename'}; |
$fn=$ENV{'form.filename'}; |
$fn=~s/^http\:\/\/[^\/]+\/\~(\w+)//; |
$fn=~s/^http\:\/\/[^\/]+//; |
} else { |
} else { |
$r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}. |
$r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}. |
' unspecified filename for retrieval', $r->filename); |
' unspecified filename for retrieval', $r->filename); |
Line 145 sub handler {
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Line 195 sub handler {
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} |
} |
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# ----------------------------------------------------------- Start page output |
# ----------------------------------------------------------- Start page output |
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my $uname; |
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my $udom; |
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my $uname=$ENV{'user.name'}; |
($uname,$udom)= |
my $udom=$ENV{'user.domain'}; |
&Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain')); |
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unless (($uname) && ($udom)) { |
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$r->log_reason($uname.' at '.$udom. |
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' trying to publish file '.$ENV{'form.filename'}. |
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' ('.$fn.') - not authorized', |
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$r->filename); |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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$fn=~s/\/\~(\w+)//; |
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$r->content_type('text/html'); |
$r->content_type('text/html'); |
$r->send_http_header; |
$r->send_http_header; |
Line 159 sub handler {
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Line 220 sub handler {
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$r->print('<h1>Retrieve previous versions of <tt>'.$fn.'</tt></h1>'); |
$r->print('<h1>Retrieve previous versions of <tt>'.$fn.'</tt></h1>'); |
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if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) { |
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$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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if ($ENV{'form.phase'} eq 'two') { |
if ($ENV{'form.phase'} eq 'two') { |
&phasetwo($r,$fn,$uname,$udom); |
&phasetwo($r,$fn,$uname,$udom); |
Line 172 sub handler {
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Line 239 sub handler {
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1; |
1; |
__END__ |
__END__ |
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=head1 NAME |
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Apache::lonretrieve - retrieves an old version of a file |
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=head1 SYNOPSIS |
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Invoked by /etc/httpd/conf/srm.conf: |
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<Location /adm/retrieve> |
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PerlAccessHandler Apache::lonacc |
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SetHandler perl-script |
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PerlHandler Apache::lonretrieve |
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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 retrieves an old published version of a file. |
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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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Get query string for limited number of parameters |
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=item * |
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Start page output |
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=item * |
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print phase relevant output |
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=item * |
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(phase one is to select version; phase two retrieves version) |
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=back |
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=head1 OTHER SUBROUTINES |
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=over 4 |
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=item * |
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phaseone() : Interface for selecting previous version. |
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=item * |
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phasetwo() : Interface for presenting specified version. |
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=back |
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=cut |