version 1.8, 2001/05/02 21:35:15
|
version 1.25, 2004/07/02 09:41:07
|
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 Gerd Kortemeyer |
# 03/31,04/03,05/02,05/09,06/23,08/20 Gerd Kortemeyer |
|
# |
|
### |
|
|
package Apache::lonretrieve; |
package Apache::lonretrieve; |
|
|
Line 19 use strict;
|
Line 48 use strict;
|
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); |
|
use Apache::loncacc; |
|
use Apache::loncommon(); |
|
use Apache::lonlocal; |
|
|
|
# ------------------------------------ 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 {
|
Line 70 sub phaseone {
|
|
|
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>'.&mt('Select').'</th><th>'. |
'<th>Became this version on ...</th>'. |
&mt('Version').'</th>'. |
'<th>Metadata</th></tr>'); |
'<th>'.&mt('Became this version on ...').'</th>'. |
|
'<th>'.&mt('Metadata').'</th></tr>'); |
my $filename; |
my $filename; |
opendir(DIR,$resdir); |
opendir(DIR,$resdir); |
while ($filename=readdir(DIR)) { |
while ($filename=readdir(DIR)) { |
if ($filename=~/^$main\.(\d+)\.$suffix$/) { |
if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) { |
my $version=$1; |
my $version=$1; |
my ($rdev,$rino,$rmode,$rnlink, |
my ($rdev,$rino,$rmode,$rnlink, |
$ruid,$rgid,$rrdev,$rsize, |
$ruid,$rgid,$rrdev,$rsize, |
Line 55 sub phaseone {
|
Line 89 sub phaseone {
|
$version.'"></td><th>'.$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 '.$version); |
&mt('Metadata Version').' '.$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=/~'. |
'&versionone=priv&versiontwo='.$version. |
$uname.$fn. |
'">Diffs with Version '.$version.'</a>'); |
'&versiontwo=priv&versionone='.$version. |
|
'">'.&mt('Diffs with Version').' '.$version.'</a>'); |
} |
} |
$r->print('</a></td></tr>'); |
$r->print('</a></td></tr>'); |
} |
} |
Line 71 sub phaseone {
|
Line 106 sub phaseone {
|
$ratime,$rmtime,$rctime, |
$ratime,$rmtime,$rctime, |
$rblksize,$rblocks)=stat($resfn); |
$rblksize,$rblocks)=stat($resfn); |
$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>'.&mt('Current').'</th><td>'.localtime($rmtime). |
'</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'. |
'</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'. |
'Metadata current version</a></td></tr></table><p>'. |
&mt('Metadata current version').'</a>'); |
'<font size=+1 color=red>Retrieval of an old version will '. |
if (&Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
'overwrite the file currently in construction space</font><p>'. |
$r->print( |
'<input type=submit value="Retrieve version"></form>'); |
' <a target=cat href="/adm/diff?filename=/~'. |
|
$uname.$fn. |
|
'&versiontwo=priv'. |
|
'">'.&mt('Diffs with current Version').'</a>'); |
|
} |
|
$r->print('</td></tr></table><p>'. |
|
'<font size=+1 color=red>'. |
|
&mt('Retrieval of an old version will overwrite the file currently in construction space').'</font><p>'. |
|
'<input type=submit value="'.&mt('Retrieve version').'"></form>'); |
} else { |
} else { |
$r->print('<h3>No previous versions published.</h3>'); |
$r->print('<h3>'.&mt('No previous versions published.').'</h3>'); |
} |
} |
|
$r->print('<p><a href="/priv/'.$uname.$fn.'">'.&mt('Back to').' '.$fn. |
|
'</a></p>'); |
} |
} |
|
|
|
# ---------------------------------- 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'}) { |
my $version=$ENV{'form.version'}; |
my $version=$ENV{'form.version'}; |
if ($version eq 'new') { |
if ($version eq 'new') { |
$r->print('<h3>Retrieving current (most recent) version</h3>'); |
$r->print('<h3>'.&mt('Retrieving current (most recent) version').'</h3>'); |
} else { |
} else { |
$r->print('<h3>Retrieving old version '.$version.'</h3>'); |
$r->print('<h3>'.&mt('Retrieving old version').' '.$version.'</h3>'); |
} |
} |
my $logfile; |
my $logfile; |
my $ctarget='/home/'.$uname.'/public_html'.$fn; |
my $ctarget='/home/'.$uname.'/public_html'.$fn; |
Line 100 sub phasetwo {
|
Line 146 sub phasetwo {
|
my $csource=$r->dir_config('lonDocRoot').'/res/'.$udom.'/'.$uname.$vfn; |
my $csource=$r->dir_config('lonDocRoot').'/res/'.$udom.'/'.$uname.$vfn; |
unless ($logfile=Apache::File->new('>>'.$ctarget.'.log')) { |
unless ($logfile=Apache::File->new('>>'.$ctarget.'.log')) { |
$r->print( |
$r->print( |
'<font color=red>No write permission to user directory, FAIL</font>'); |
'<font color=red>'.&mt('No write permission to user directory, FAIL').'</font>'); |
} |
} |
print $logfile |
print $logfile |
"\n\n================= Retrieve ".localtime()." ================\n". |
"\n\n================= Retrieve ".localtime()." ================\n". |
"Version: $version\nSource: $csource\nTarget: $ctarget\n"; |
"Version: $version\nSource: $csource\nTarget: $ctarget\n"; |
$r->print('<p>Copying file: '); |
$r->print('<p>'.&mt('Copying file').': '); |
if (copy($csource,$ctarget)) { |
if (copy($csource,$ctarget)) { |
$r->print('ok<p>'); |
$r->print('ok<p>'); |
print $logfile "Copied sucessfully.\n\n"; |
print $logfile "Copied sucessfully.\n\n"; |
Line 115 sub phasetwo {
|
Line 161 sub phasetwo {
|
print $logfile "Copy failed: $error\n\n"; |
print $logfile "Copy failed: $error\n\n"; |
} |
} |
$r->print('<font size=+2><a href="/priv/'.$uname.$fn. |
$r->print('<font size=+2><a href="/priv/'.$uname.$fn. |
'">Back to '.$fn.'</a></font>'); |
'">'.&mt('Back to').' '.$fn.'</a></font>'); |
} else { |
} else { |
$r->print( |
$r->print( |
'<font size=+1 color=red>Please pick a version to retrieve</font><p>'); |
'<font size=+1 color=red>'.&mt('Please pick a version to retrieve').'</font><p>'); |
&phaseone($r,$fn,$uname,$udom); |
&phaseone($r,$fn,$uname,$udom); |
} |
} |
} |
} |
|
|
|
# ---------------------------------------------------------------- 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\:\/\/[^\/]+\/\~(\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 {
|
Line 198 sub handler {
|
} |
} |
|
|
# ----------------------------------------------------------- Start page output |
# ----------------------------------------------------------- Start page output |
|
my $uname; |
|
my $udom; |
|
|
my $uname=$ENV{'user.name'}; |
($uname,$udom)= |
my $udom=$ENV{'user.domain'}; |
&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/\/\~(\w+)//; |
|
|
$r->content_type('text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->send_http_header; |
$r->send_http_header; |
|
|
$r->print('<html><head><title>LON-CAPA Construction Space</title></head>'); |
$r->print('<html><head><title>LON-CAPA Construction Space</title></head>'); |
|
|
$r->print( |
$r->print(&Apache::loncommon::bodytag('Retrieve Published Resources')); |
'<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>'); |
|
|
|
|
|
$r->print('<h1>Retrieve previous versions of <tt>'.$fn.'</tt></h1>'); |
$r->print('<h1>'.&mt('Retrieve previous versions of').' <tt>'.$fn.'</tt></h1>'); |
|
|
|
if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) { |
|
$r->print('<h3><font color=red>'.&mt('Co-Author').': '.$uname. |
|
&mt(' at ').$udom. |
|
'</font></h3>'); |
|
} |
|
|
|
|
if ($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 {
|
Line 242 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 |