version 1.27, 2005/04/07 06:56:27
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version 1.37, 2008/12/19 03:55:25
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Line 28
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# |
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### |
### |
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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 |
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package Apache::lonretrieve; |
package Apache::lonretrieve; |
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use strict; |
use strict; |
Line 38 use Apache::loncacc;
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Line 103 use Apache::loncacc;
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use Apache::loncommon(); |
use Apache::loncommon(); |
use Apache::lonlocal; |
use Apache::lonlocal; |
use Apache::lonnet; |
use Apache::lonnet; |
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use LONCAPA(); |
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# ------------------------------------ Interface for selecting previous version |
# ------------------------------------ Interface for selecting previous version |
sub phaseone { |
sub phaseone { |
Line 51 sub phaseone {
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Line 117 sub phaseone {
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my $resdir=$resfn; |
my $resdir=$resfn; |
$resdir=~s/\/[^\/]+$/\//; |
$resdir=~s/\/[^\/]+$/\//; |
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$fn=~/\/([^\/]+)\.(\w+)$/; |
my ($main,$suffix,$is_meta) = &get_file_info($fn); |
my $main=$1; |
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my $suffix=$2; |
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if (-e $resfn) { |
if (-e $resfn) { |
$r->print('<form action=/adm/retrieve method=post>'. |
$r->print('<form action="/adm/retrieve" method="POST">'. |
'<input type=hidden name=filename value="/~'.$uname.$fn.'">'. |
'<input type="hidden" name="filename" value="/~'.$uname.$fn.'" />'. |
'<input type=hidden name=phase value=two>'. |
'<input type="hidden" name="phase" value="two" />'. |
'<table border=2><tr><th>'.&mt('Select').'</th><th>'. |
&Apache::loncommon::start_data_table(). |
&mt('Version').'</th>'. |
&Apache::loncommon::start_data_table_header_row(). |
'<th>'.&mt('Published on ...').'</th>'. |
'<th>'.&mt('Select').'</th>'. |
'<th>'.&mt('Metadata').'</th></tr>'); |
'<th>'.&mt('Version').'</th>'. |
my $filename; |
'<th>'.&mt('Published on ...').'</th>'); |
opendir(DIR,$resdir); |
if (!$is_meta) { |
while ($filename=readdir(DIR)) { |
$r->print('<th>'.&mt('Metadata').'</th>'); |
if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) { |
} |
my $version=$1; |
if ($is_meta |
my $rmtime=&Apache::lonnet::metadata($resdir.'/'.$filename,'lastrevisiondate'); |
|| &Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
$r->print('<tr><td><input type=radio name=version value="'. |
$r->print('<th>'.&mt('Diffs').'</th>'); |
$version.'"></td><td>'.&mt('Previously published version').' '.$version.'</td><td>'. |
} |
localtime($rmtime).'</td><td>'. |
$r->print(&Apache::loncommon::end_data_table_header_row()); |
'<a href="'.$urldir.$filename.'.meta" target=cat>'. |
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&mt('Metadata Version').' '.$version.'</a>'); |
opendir(DIR,$resdir); |
if (&Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
my @files = grep(/^\Q$main\E\.(\d+)\.\Q$suffix\E$/,readdir(DIR)); |
$r->print( |
@files = sort { |
' <a target=cat href="/adm/diff?filename=/~'. |
my ($aver) = ($a=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/); |
$uname.$fn. |
my ($bver) = ($b=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/); |
'&versiontwo=priv&versionone='.$version. |
return $aver <=> $bver; |
'">'.&mt('Diffs with Version').' '.$version.'</a>'); |
} (@files); |
} |
closedir(DIR); |
$r->print('</a></td></tr>'); |
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} |
foreach my $filename (@files) { |
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if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) { |
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my $version=$1; |
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my $rmtime=&Apache::lonnet::metadata($resdir.'/'.$filename,'lastrevisiondate'); |
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$r->print(&Apache::loncommon::start_data_table_row(). |
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'<td><input type="radio" name="version" value="'. |
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$version.'" /></td><td>'.&mt('Previously published version').' '.$version.'</td><td>'. |
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localtime($rmtime).'</td>'); |
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if (!$is_meta) { |
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$r->print('<td><a href="'.$urldir.$filename.'.meta" target=cat>'. |
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&mt('Metadata Version').' '.$version.'</a></td>'); |
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} |
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if ($is_meta |
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|| &Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
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$r->print( |
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'<td><a target="cat" href="/adm/diff?filename=/~'. |
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$uname.$fn. |
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'&versiontwo=priv&versionone='.$version. |
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'">'.&mt('Diffs with Version').' '.$version. |
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'</a></td>'); |
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} |
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$r->print(&Apache::loncommon::end_data_table_row()); |
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} |
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} |
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closedir(DIR); |
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my $rmtime=&Apache::lonnet::metadata($resfn,'lastrevisiondate'); |
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$r->print(&Apache::loncommon::start_data_table_row(). |
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'<td><input type="radio" name="version" value="new" /></td>'. |
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'<td><b>'.&mt('Currently published version').'</b></td><td>'.localtime($rmtime). |
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'</td>'); |
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if (!$is_meta) { |
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$r->print('<td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'. |
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&mt('Metadata current version').'</a></td>'); |
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} |
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if ($is_meta |
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|| &Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
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$r->print( |
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'<td><a target="cat" href="/adm/diff?filename=/~'. |
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$uname.$fn. |
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'&versiontwo=priv'. |
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'">'.&mt('Diffs with current Version').'</a></td>'); |
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} |
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$r->print(&Apache::loncommon::end_data_table_row(). |
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&Apache::loncommon::end_data_table(). |
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'<p>'.'<span class="LC_warning">'. |
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&mt('Retrieval of an old version will overwrite the file currently in construction space.').'</span></p>'); |
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if (!$is_meta) { |
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$r->print('<p>'.'<span class="LC_warning">'. |
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&mt('This will only retrieve the resource. If you want to retrieve the metadata, you will need to do that separately.'). |
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'</span></p>'); |
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} |
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$r->print('<input type="submit" value="'.&mt('Retrieve version').'" /></form>'); |
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} else { |
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$r->print('<p class="LC_warning">'.&mt('No previous versions published.').'</p>'); |
} |
} |
closedir(DIR); |
$r->print('<p><a href="/priv/'.$uname.$fn.'">' |
my $rmtime=&Apache::lonnet::metadata($resfn,'lastrevisiondate'); |
.&mt('Back to [_1]','<span class="LC_filename">'.$fn.'</span>') |
$r->print('<tr><td><input type=radio name=version value="new"></td>'. |
.'</a></p>'); |
'<th>'.&mt('Currently public version').'</th><td>'.localtime($rmtime). |
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'</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'. |
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&mt('Metadata current version').'</a>'); |
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if (&Apache::loncommon::fileembstyle($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.$fn. |
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'&versiontwo=priv'. |
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'">'.&mt('Diffs with current Version').'</a>'); |
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} |
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$r->print('</td></tr></table><p>'. |
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'<font size=+1 color=red>'. |
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&mt('Retrieval of an old version will overwrite the file currently in construction space').'</font><p>'. |
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'<input type=submit value="'.&mt('Retrieve version').'"></form>'); |
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} else { |
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$r->print('<h3>'.&mt('No previous versions published.').'</h3>'); |
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} |
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$r->print('<p><a href="/priv/'.$uname.$fn.'">'.&mt('Back to').' '.$fn. |
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'</a></p>'); |
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} |
} |
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# ---------------------------------- Interface for presenting specified version |
# ---------------------------------- Interface for presenting specified version |
Line 118 sub phasetwo {
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Line 217 sub phasetwo {
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} else { |
} else { |
$r->print('<h3>'.&mt('Retrieving old version').' '.$version.'</h3>'); |
$r->print('<h3>'.&mt('Retrieving old version').' '.$version.'</h3>'); |
} |
} |
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my ($main,$suffix,$is_meta) = &get_file_info($fn); |
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my $logfile; |
my $logfile; |
my $ctarget='/home/'.$uname.'/public_html'.$fn; |
my $ctarget='/home/'.$uname.'/public_html'.$fn; |
my $vfn=$fn; |
my $vfn=$fn; |
if ($version ne 'new') { |
if ($version ne 'new') { |
$vfn=~s/\.(\w+)$/\.$version\.$1/; |
$vfn=~s/\.(\Q$suffix\E)$/\.$version\.$1/; |
} |
} |
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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('>>'.$ctarget.'.log')) { |
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$r->print( |
my $logname = $ctarget; |
'<font color=red>'.&mt('No write permission to user directory, FAIL').'</font>'); |
if ($is_meta) { $logname =~ s/\.meta$//; } |
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$logname = $ctarget.'.log'; |
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unless ($logfile=Apache::File->new('>>'.$logname)) { |
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$r->print('<span class="LC_error">' |
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.&mt('No write permission to user directory, FAIL') |
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.'</span>'); |
} |
} |
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>'.&mt('Copying file').': '); |
$r->print('<p>'.&mt('Copying file').': '); |
if (copy($csource,$ctarget)) { |
if (copy($csource,$ctarget)) { |
$r->print('ok<p>'); |
$r->print('<span class="LC_success">' |
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.&mt('ok') |
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.'</span>'); |
print $logfile "Copied sucessfully.\n\n"; |
print $logfile "Copied sucessfully.\n\n"; |
} else { |
} else { |
my $error=$!; |
my $error=$!; |
$r->print('fail, '.$error.'<p>'); |
$r->print('<span class="LC_error">' |
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.&mt('Copy failed: [_1]',$error) |
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.'</span>'); |
print $logfile "Copy failed: $error\n\n"; |
print $logfile "Copy failed: $error\n\n"; |
} |
} |
$r->print('<font size=+2><a href="/priv/'.$uname.$fn. |
$r->print('</p>' |
'">'.&mt('Back to').' '.$fn.'</a></font>'); |
.'<p><a href="/priv/'.$uname.$fn.'">' |
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.&mt('Back to [_1]',$fn) |
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.'</a></p>'); |
} else { |
} else { |
$r->print( |
$r->print('<p class="LC_info">'.&mt('Please pick a version to retrieve:').'</p>'); |
'<font size=+1 color=red>'.&mt('Please pick a version to retrieve').'</font><p>'); |
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&phaseone($r,$fn,$uname,$udom); |
&phaseone($r,$fn,$uname,$udom); |
} |
} |
} |
} |
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sub get_file_info { |
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my ($fn) = @_; |
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my ($main,$suffix) = ($fn=~/\/([^\/]+)\.(\w+)$/); |
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my $is_meta=0; |
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if ($suffix eq 'meta') { |
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$is_meta = 1; |
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($main,$suffix) = ($main=~/(.+)\.(\w+)$/); |
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$suffix .= '.meta'; |
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} |
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return ($main,$suffix,$is_meta); |
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} |
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# ---------------------------------------------------------------- Main Handler |
# ---------------------------------------------------------------- Main Handler |
sub handler { |
sub handler { |
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Line 165 sub handler {
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Line 289 sub handler {
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if ($env{'form.filename'}) { |
if ($env{'form.filename'}) { |
$fn=$env{'form.filename'}; |
$fn=$env{'form.filename'}; |
$fn=~s/^http\:\/\/[^\/]+//; |
$fn=~s/^https?\:\/\/[^\/]+//; |
} 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', $r->filename); |
Line 192 sub handler {
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Line 316 sub handler {
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return HTTP_NOT_ACCEPTABLE; |
return HTTP_NOT_ACCEPTABLE; |
} |
} |
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$fn=~s/\/\~(\w+)//; |
$fn=~s{/~($LONCAPA::username_re)}{}; |
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&Apache::loncommon::content_type($r,'text/html'); |
&Apache::loncommon::content_type($r,'text/html'); |
$r->send_http_header; |
$r->send_http_header; |
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$r->print('<html><head><title>LON-CAPA Construction Space</title></head>'); |
$r->print(&Apache::loncommon::start_page('Retrieve Published Resources')); |
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$r->print(&Apache::loncommon::bodytag('Retrieve Published Resources')); |
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$r->print('<h1>'.&mt('Retrieve previous versions of').' <tt>'.$fn.'</tt></h1>'); |
$r->print('<h1>' |
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.&mt('Retrieve previous versions of [_1]' |
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,'<span class="LC_filename">'.$fn.'</span>') |
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.'</h1>'); |
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if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) { |
if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) { |
$r->print('<h3><font color=red>'.&mt('Co-Author').': '.$uname. |
$r->print('<h3><span class="LC_diff_coauthor">'.&mt('Co-Author').': '.$uname. |
&mt(' at ').$udom. |
&mt(' at ').$udom. |
'</font></h3>'); |
'</span></h3>'); |
} |
} |
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Line 217 sub handler {
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Line 342 sub handler {
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&phaseone($r,$fn,$uname,$udom); |
&phaseone($r,$fn,$uname,$udom); |
} |
} |
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$r->print('</body></html>'); |
$r->print(&Apache::loncommon::end_page()); |
return OK; |
return OK; |
} |
} |
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1; |
1; |
__END__ |
__END__ |
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=head1 NAME |
|
|
|
Apache::lonretrieve - retrieves an old version of a file |
|
|
|
=head1 SYNOPSIS |
|
|
|
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> |
|
|
|
=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 |
|