version 1.31, 2006/09/13 21:43:26
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version 1.47, 2011/11/14 00:20:31
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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 { |
my ($r,$fn,$uname,$udom)=@_; |
my ($r,$fn,$uname,$udom)=@_; |
my $docroot=$r->dir_config('lonDocRoot'); |
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my $urldir='/res/'.$udom.'/'.$uname.$fn; |
my $urldir = "/res/$udom/$uname".$fn; |
$urldir=~s/\/[^\/]+$/\//; |
my $resfn = $r->dir_config('lonDocRoot').$urldir; |
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my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn; |
$urldir =~ s{[^/]+$}{}; |
my $resdir=$resfn; |
my $resdir = $r->dir_config('lonDocRoot').$urldir; |
$resdir=~s/\/[^\/]+$/\//; |
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my ($main,$suffix,$is_meta) = &get_file_info($fn); |
my ($main,$suffix,$is_meta) = &get_file_info($fn); |
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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.$fn.'">'. |
'<input type="hidden" name="filename" value="/priv/'.$udom.'/'.$uname.$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>'. |
if (!$is_meta) { |
'<th>'.&mt('Version').'</th>'. |
$r->print('<th>'.&mt('Metadata').'</th>'); |
'<th>'.&mt('Published on ...').'</th>'); |
} |
if (!$is_meta) { |
if ($is_meta |
$r->print('<th>'.&mt('Metadata').'</th>'); |
|| &Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
} |
$r->print('<th>'.&mt('Diffs').'</th>'); |
if ($is_meta |
} |
|| &Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
$r->print('</tr>'); |
$r->print('<th>'.&mt('Diffs').'</th>'); |
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} |
opendir(DIR,$resdir); |
$r->print(&Apache::loncommon::end_data_table_header_row()); |
my @files = grep(/^\Q$main\E\.(\d+)\.\Q$suffix\E$/,readdir(DIR)); |
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@files = sort { |
opendir(DIR,$resdir); |
my ($aver) = ($a=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/); |
my @files = grep(/^\Q$main\E\.(\d+)\.\Q$suffix\E$/,readdir(DIR)); |
my ($bver) = ($b=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/); |
@files = sort { |
return $aver <=> $bver; |
my ($aver) = ($a=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/); |
} (@files); |
my ($bver) = ($b=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/); |
closedir(DIR); |
return $aver <=> $bver; |
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} (@files); |
foreach my $filename (@files) { |
closedir(DIR); |
if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) { |
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my $version=$1; |
foreach my $filename (@files) { |
my $rmtime=&Apache::lonnet::metadata($resdir.'/'.$filename,'lastrevisiondate'); |
if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) { |
$r->print('<tr><td><input type=radio name=version value="'. |
my $version=$1; |
$version.'"></td><td>'.&mt('Previously published version').' '.$version.'</td><td>'. |
my $rmtime=&Apache::lonnet::metadata($resdir.'/'.$filename,'lastrevisiondate'); |
localtime($rmtime).'</td>'); |
$r->print(&Apache::loncommon::start_data_table_row(). |
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'<td><input type="radio" name="version" value="'. |
if (!$is_meta) { |
$version.'" /></td><td>'.&mt('Previously published version').' '.$version.'</td>'. |
$r->print('<td><a href="'.$urldir.$filename.'.meta" target=cat>'. |
'<td>'.&Apache::lonlocal::locallocaltime($rmtime).'</td>'); |
&mt('Metadata Version').' '.$version.'</a></td>'); |
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} |
if (!$is_meta) { |
if ($is_meta |
$r->print('<td><a href="'.$urldir.$filename.'.meta" target="cat">'. |
|| &Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
&mt('Metadata Version').' '.$version.'</a></td>'); |
$r->print( |
} |
'<td><a target=cat href="/adm/diff?filename=/~'. |
if ($is_meta |
$uname.$fn. |
|| &Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
'&versiontwo=priv&versionone='.$version. |
$r->print( |
'">'.&mt('Diffs with Version').' '.$version. |
'<td><a target="cat" href="/adm/diff?filename=/priv/'. |
'</a></td>'); |
$udom,'/'.$uname.$fn. |
} |
'&versiontwo=priv&versionone='.$version. |
$r->print('</tr>'); |
'">'.&mt('Diffs with Version').' '.$version. |
} |
'</a></td>'); |
} |
} |
closedir(DIR); |
$r->print(&Apache::loncommon::end_data_table_row()); |
my $rmtime=&Apache::lonnet::metadata($resfn,'lastrevisiondate'); |
} |
$r->print('<tr><td><input type=radio name=version value="new"></td>'. |
} |
'<th>'.&mt('Currently published version').'</th><td>'.localtime($rmtime). |
closedir(DIR); |
'</td>'); |
my $rmtime=&Apache::lonnet::metadata($resfn,'lastrevisiondate'); |
if (!$is_meta) { |
$r->print(&Apache::loncommon::start_data_table_row(). |
$r->print('<td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'. |
'<td><input type="radio" name="version" value="new" /></td>'. |
&mt('Metadata current version').'</a></td>'); |
'<td><b>'.&mt('Currently published version').'</b></td>'. |
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'<td>'.&Apache::lonlocal::locallocaltime($rmtime).'</td>' |
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); |
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if (!$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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$r->print( |
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'<td><a target="cat" href="/adm/diff?filename=/priv/'. |
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$udom.'/'.$uname.$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 selected Version').'" /></form>'); |
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} else { |
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$r->print('<p class="LC_warning">'.&mt('No previous versions published.').'</p>'); |
} |
} |
if ($is_meta |
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|| &Apache::loncommon::fileembstyle($suffix) eq 'ssi') { |
my $dir = &Apache::loncommon::authorspace($fn) |
$r->print( |
.&File::Basename::dirname($fn) |
'<td><a target=cat href="/adm/diff?filename=/~'. |
.'/'; |
$uname.$fn. |
$r->print('<br />' |
'&versiontwo=priv'. |
.&Apache::loncommon::head_subbox( |
'">'.&mt('Diffs with current Version').'</a></td>'); |
&Apache::lonhtmlcommon::start_funclist() |
} |
.&Apache::lonhtmlcommon::add_item_funclist( |
$r->print('</tr></table><p>'. |
'<a href="/priv/'.$udom.'/'.$uname.$fn.'">' |
'<font size=+1 color=red>'. |
.&mt('Back to Resource') |
&mt('Retrieval of an old version will overwrite the file currently in construction space').'</font><p>'. |
.'</a>') |
'<input type=submit value="'.&mt('Retrieve version').'"></form>'); |
.&Apache::lonhtmlcommon::add_item_funclist( |
} else { |
'<a href="'.$dir.'">' |
$r->print('<h3>'.&mt('No previous versions published.').'</h3>'); |
.&mt('Back to Directory') |
} |
.'</a>') |
$r->print('<p><a href="/priv/'.$uname.$fn.'">'.&mt('Back to').' '.$fn. |
.&Apache::lonhtmlcommon::end_funclist() |
'</a></p>'); |
) |
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); |
} |
} |
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# ---------------------------------- Interface for presenting specified version |
# ---------------------------------- Interface for presenting specified version |
Line 143 sub phasetwo {
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Line 234 sub phasetwo {
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my ($main,$suffix,$is_meta) = &get_file_info($fn); |
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 $ctarget=$r->dir_config('lonDocRoot')."/priv/$udom/$uname".$fn; |
my $vfn=$fn; |
my $vfn=$fn; |
if ($version ne 'new') { |
if ($version ne 'new') { |
$vfn=~s/\.(\Q$suffix\E)$/\.$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; |
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my $logname = $ctarget; |
my $logname = $ctarget; |
if ($is_meta) { $logname =~ s/\.meta$//; } |
if ($is_meta) { $logname =~ s/\.meta$//; } |
$logname = $ctarget.'.log'; |
$logname = $ctarget.'.log'; |
unless ($logfile=Apache::File->new('>>'.$logname)) { |
unless ($logfile=Apache::File->new('>>'.$logname)) { |
$r->print( |
$r->print('<span class="LC_error">' |
'<font color=red>'.&mt('No write permission to user directory, FAIL').'</font>'); |
.&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/'.$udom.'/'.$uname.$fn.'">' |
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.&mt('Back to Resource') |
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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,$udom); |
} |
} |
} |
} |
Line 206 sub handler {
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Line 303 sub handler {
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if ($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 223 sub handler {
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Line 320 sub handler {
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my $uname; |
my $uname; |
my $udom; |
my $udom; |
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($uname,$udom)= |
($uname,$udom) = &Apache::loncacc::constructaccess($fn); |
&Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain')); |
unless (($uname ne '') && ($udom ne '')) { |
unless (($uname) && ($udom)) { |
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$r->log_reason($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', |
' ('.$fn.') - not authorized', |
Line 233 sub handler {
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Line 329 sub handler {
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return HTTP_NOT_ACCEPTABLE; |
return HTTP_NOT_ACCEPTABLE; |
} |
} |
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$fn=~s/\/\~(\w+)//; |
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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(&Apache::loncommon::start_page('Retrieve Published Resources')); |
# Breadcrumbs |
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&Apache::lonhtmlcommon::clear_breadcrumbs(); |
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&Apache::lonhtmlcommon::add_breadcrumb({ |
$r->print('<h1>'.&mt('Retrieve previous versions of').' <tt>'.$fn.'</tt></h1>'); |
'text' => 'Construction Space', |
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'href' => &Apache::loncommon::authorspace($fn), |
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}); |
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&Apache::lonhtmlcommon::add_breadcrumb({ |
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'text' => 'Retrieve previous version', |
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'href' => '', |
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}); |
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my $londocroot = $r->dir_config('lonDocRoot'); |
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my $trailfile = $fn; |
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$trailfile =~ s{^/(priv/)}{$londocroot/$1}; |
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$r->print(&Apache::loncommon::start_page('Retrieve Published Resources') |
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.&Apache::lonhtmlcommon::breadcrumbs() |
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.&Apache::loncommon::head_subbox( |
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&Apache::loncommon::CSTR_pageheader($trailfile)) |
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); |
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$fn=~s{/priv/$LONCAPA::domain_re/$LONCAPA::username_re}{}; |
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$r->print('<p>' |
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.&mt('Retrieve previous versions of [_1]' |
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,'<span class="LC_filename">'.$fn.'</span>') |
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.'</p>'); |
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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. |
$r->print('<p><span class="LC_info">' |
&mt(' at ').$udom. |
.&mt('Co-Author [_1]' |
'</font></h3>'); |
,&Apache::loncommon::plainname($uname,$udom) |
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.' ('.$uname.':'.$udom.')') |
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.'</span></p>'); |
} |
} |
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Line 263 sub handler {
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Line 382 sub handler {
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1; |
1; |
__END__ |
__END__ |
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=head1 NAME |
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|
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Apache::lonretrieve - retrieves an old version of a file |
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|
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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 |
|
|
|
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 * |
|
|
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phaseone() : Interface for selecting previous version. |
|
|
|
=item * |
|
|
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phasetwo() : Interface for presenting specified version. |
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|
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=back |
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=cut |
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