version 1.3, 2004/06/18 15:13:07
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version 1.37, 2017/09/29 19:18:10
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# Souce Code handler |
# Source Code handler |
# |
# |
# $Id$ |
# $Id$ |
# |
# |
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package Apache::lonsource; |
package Apache::lonsource; |
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use strict; |
use strict; |
use Apache::lonnet(); |
use Apache::lonnet; |
use Apache::loncommon(); |
use Apache::loncommon(); |
use Apache::lonhtmlcommon(); |
use Apache::lonhtmlcommon(); |
use Apache::lonsequence(); |
use Apache::lonsequence(); |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonmeta; |
use Apache::lonmeta; |
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use Apache::lonenc(); |
use Apache::File; |
use Apache::File; |
use Apache::lonlocal; |
use Apache::lonlocal; |
use HTML::Entities; |
use HTML::Entities; |
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use LONCAPA qw(:DEFAULT :match); |
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sub make_link { |
sub make_link { |
my ($filename) = @_; |
my ($filename, $listname) = @_; |
my $sourcelink = "http://".$ENV{'SERVER_NAME'}. |
my $sourcelink = '/adm/source?inhibitmenu=yes&filename='. |
"/adm/source/?filename=".$filename; |
&escape(&escape($filename)).'&listname='. |
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&escape(&escape($listname)); |
return $sourcelink; |
return $sourcelink; |
} |
} |
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sub stage_2 { |
sub stage_2 { |
my ($r, $filename) = @_; |
my ($r, $filename, $listname) = @_; |
$r->print("Coming Soon"); |
my ($author)=($filename=~/\/res\/[^\/]+\/([^\/]+)\//); |
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$r->print(&Apache::loncommon::start_page('Copy Problem Source Code to Authoring Space',undef, |
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{'only_body' => 1,}) |
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.&mt('Please enter the directory that you would like the source code to go into.') |
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.'<p>' |
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.&mt('Note: the path is in reference to the root of your Authoring Space,' |
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.' and new directories will be automatically created.') |
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.'</p>'); |
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$r->print('<form name="copy" action="/adm/source" target="_parent" method="post"> |
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<input type="hidden" name="filename" value="'.$filename.'" /> |
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<input type="hidden" name="listname" value="'.$listname.'" /> |
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<input type="hidden" name="action" value="copy_stage" /> |
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<input type="text" size="50" name="newpath" value="/'.&mt('shared_source').'/'.$author.'" /> |
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<input type="submit" value="'.&mt('Copy').'" /> |
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</form>'. |
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&Apache::loncommon::end_page()); |
return OK; |
return OK; |
} |
} |
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sub copy_author { |
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my $role; |
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my $domain; |
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my $author_name; |
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if ($env{'request.role'} =~ m{^ca\.}) { |
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($role, $domain, $author_name) = split(/\//,$env{'request.role'}); |
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} else { |
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$role = "au."; |
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$domain = $env{'user.domain'}; |
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$author_name = $env{'user.name'}; |
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} |
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return ($role,$author_name,$domain); |
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} |
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sub copy_stage { |
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my ($r, $filename, $listname, $newpath) = @_; |
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my ($path_to_new_file,$uname,$udom) = &get_path_to_newfile($r,$newpath,$listname); |
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#allowed |
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if ($path_to_new_file) { |
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$r->print(&Apache::loncommon::start_page('Copying Source',undef,{'only_body' => 1})); |
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my $result = &Apache::loncfile::exists($uname, $udom, $path_to_new_file); |
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$r->print($result); |
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if (($result) && ($result =~ /published/)) { |
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&delete_copy_file($r, $newpath, $filename, $path_to_new_file, '1'); |
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} elsif (($result) && ($result =~ /exists\!/)) { |
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&confirm($r, $newpath, $filename, $listname); |
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} else { |
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©_file($r, $newpath, $filename, $path_to_new_file); |
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} |
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$r->print(&Apache::loncommon::end_page()); |
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} |
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return; |
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} |
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sub confirm { |
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my ($r, $newpath, $filename, $listname) = @_; |
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$r->print('<b>'.&mt('Press delete to remove file and replace it with a copy of the source you are viewing.').'</b><br /><br />'); |
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$r->print('<form name="delete_confirm" action="/adm/source" target="_parent" method="post"> |
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<input type="hidden" name="filename" value="'.$filename.'" /> |
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<input type="hidden" name="listname" value="'.$listname.'" /> |
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<input type="hidden" name="newpath" value="'.$newpath.'" /> |
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<input type="hidden" name="action" value="delete_confirm" /> |
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<input type="submit" value="Delete" /> |
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</form>'); |
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return; |
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} |
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sub delete_copy_file { |
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my ($r, $newpath, $filename, $path_to_new_file, $type) = @_; |
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if ($type eq '1') { |
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$r->print('<p><span class="LC_warning">' |
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.&mt('Cannot delete non-obsolete published file.') |
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.'</span><br />' |
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.&mt('Please use the code view in previous window to use shared code.') |
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.'<br /><br />'); |
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$r->print('<form name="delete_done" action="/adm/source" target="_parent" method="post">' |
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.'<input type="button" value="'.&mt('Close Window').'" name="close"' |
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.' onclick="window.close()" />' |
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.'</form></p>'); |
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return; |
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} else { |
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$r->print(&Apache::loncommon::start_page('Copying Source',undef,{'only_body' => 1})); |
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if (-e $path_to_new_file) { |
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unless (unlink($path_to_new_file)) { |
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$r->print('<p class="LC_error"">'.&mt('Error:').' '.$!.'</p>'); |
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return 0; |
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} |
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} else { |
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$r->print('<p class="LC_error">'.&mt('No such file').'</p>'); |
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return 0; |
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} |
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©_file($r, $newpath, $filename, $path_to_new_file); |
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$r->print(&Apache::loncommon::end_page()); |
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return; |
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} |
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} |
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sub copy_file { |
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my ($r, $newpath, $filename, $path_to_new_file) = @_; |
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$r->print('<b>'.&mt('Creating directories').'</b>'); |
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#Figure out if we are author or co-author |
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my ($role,$author_name,$domain)=©_author(); |
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my $path = $r->dir_config('lonDocRoot')."/priv/$domain/$author_name/"; |
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my @directories = split(/\//,$newpath); |
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foreach my $now_checking (@directories) { |
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if($now_checking ne '') { |
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$path = $path.'/'.$now_checking; |
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if(-e $path) {} #More moving along, isn't recursion fun' |
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else { |
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unless(mkdir($path, 02770)) { |
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$r->print('<p class="LC_error">'.&mt('Error:').' '.$!.'</p>'); |
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return 0; |
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} |
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unless(chmod(02770, ($path))) { |
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$r->print('<p class="LC_error"> '.&mt('Error:').' '.$!.'</p>'); |
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return 0; |
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} |
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} |
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} else { } #Just move along |
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} |
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$r->print('<br /><b>'.&mt('Copying File').'</b>'); |
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my $problem_filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename; |
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my $file_output = &includemeta(&Apache::lonnet::getfile($problem_filename),$filename); |
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my $fs=Apache::File->new(">$path_to_new_file"); |
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if (defined($fs)) { |
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print $fs $file_output; |
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} |
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$r->print("<br /><br />"); |
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$r->print('<form name="copied_file" action="/adm/source" target="_parent" method="post">' |
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.'<input type="button" value="' |
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.&mt('Close Window').'" name="close" onclick="window.close()" />' |
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.'</form>'); |
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#Some 1.3'ish feature is to include the derivative feature, will go here..' |
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return; |
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} |
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sub print_item { |
sub print_item { |
my ($r, $filename) = @_; |
my ($r,$filename,$listname,$context) = @_; |
$filename = "/home/httpd/html".$filename; |
my $file_output; |
my $file_output = &Apache::lonnet::getfile($filename); |
if ($context eq 'view') { |
my ($rows,$cols) = &Apache::edit::textarea_sizes(\$file_output); |
$file_output = |
$r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'. |
&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$filename); |
&HTML::Entities::encode($file_output,'<>&"').'</textarea>'); |
} else { |
return OK; |
$file_output = |
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&includemeta(&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$filename), |
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$filename); |
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} |
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$r->print(&Apache::loncommon::start_page('View Source Code',undef, |
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{'only_body' => 1})); |
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if ($file_output ne '') { |
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my $access_to_cstr; |
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my $lonhost = $r->dir_config('lonHostID'); |
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if ($context eq 'view') { |
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$r->print('<form name="view" action="" target="_parent" method="post"><span class="LC_info">'. |
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&mt('Source code is displayed below.'). |
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'</span>'.(' ' x4).'<input type="button" name="close" onclick="window.close();"'. |
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' value="'.&mt('Close Window').'" /></form><hr />'); |
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} elsif (&Apache::lonnet::is_library($lonhost)) { |
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my @possdoms = &Apache::lonnet::current_machine_domains(); |
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foreach my $dom (@possdoms) { |
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if ($env{"user.role.au./$dom/"}) { |
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$access_to_cstr = 1; |
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last; |
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} |
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} |
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unless ($access_to_cstr) { |
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foreach my $key (keys(%env)) { |
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if ($key =~ m{^\Quser.role.ca./\E($match_domain)/}) { |
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my $adom = $1; |
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if (grep(/^\Q$adom\E$/,@possdoms)) { |
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$access_to_cstr = 1; |
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last; |
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} |
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} |
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} |
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} |
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if ($access_to_cstr) { |
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$r->print(' |
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<form name="copy" action="/adm/source" target="_parent" method="post"> |
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<input type="button" value="'.&mt('Close Window').'" name="close" onclick="window.close();" /> |
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<input type="hidden" name="filename" value="'.$filename.'" /> |
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<input type="hidden" name="listname" value="'.$listname.'" /> |
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<input type="hidden" name="action" value="stage2" /> |
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<input type="submit" value="'.&mt('Copy to Authoring Space').'" /> |
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</form><hr /> |
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'); |
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} else { |
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$r->print('<p><span class="LC_info">'. |
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&mt('Source code is displayed, but you can not copy to Authoring Space, as you do not have an author or co-author role on this server.'). |
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'</span></p><a href="javascript:window.close();">'.&mt('Close Window'). |
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'</a><br /><hr />' |
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); |
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} |
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} else { |
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$r->print('<p><span class="LC_info">'. |
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&mt('Source code is displayed, but you can not copy to Authoring Space on this server.'). |
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'</span></p><a href="javascript:window.close();">'.&mt('Close Window'). |
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'</a><br /><hr />' |
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); |
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} |
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my $count=0; |
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my $maxlength=-1; |
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foreach (split ("\n", $file_output)) { |
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$count+=int(length($_)/79); |
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$count++; |
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if (length($_) > $maxlength) { |
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$maxlength = length($_); |
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} |
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} |
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my $rows = $count; |
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my $cols = $maxlength; |
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$r->print('<form name="showsrc" action="" method="post" onsubmit="return false">'."\n". |
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'<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'. |
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&HTML::Entities::encode($file_output,'<>&"').'</textarea></form>'); |
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} else { |
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$r->print('<p class="LC_warning">'. |
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&mt('Unable to retrieve file contents.'). |
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'</p><a href="javascript:window.close();">'.&mt('Close Window').'</a>' |
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); |
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} |
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$r->print(&Apache::loncommon::end_page()); |
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return; |
} |
} |
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sub includemeta { |
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my ($file_output,$orgfilename)=@_; |
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my $escfilename=&escape($orgfilename); |
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my $copytime=time; |
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if ($file_output=~/\<meta\s*name\=\"isbasedonres\"/i) { |
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$file_output=~s/(\<meta\s*name\=\"isbasedonres\"\s*content\=\"[^\"]*)\"/$1\,\Q$escfilename\E\"/i; |
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} else { |
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$file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedonres\" content=\"\Q$escfilename\E\" \/\>/i; |
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} |
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if ($file_output=~/\<meta\s*name\=\"isbasedontime\"/i) { |
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$file_output=~s/(\<meta\s*name\=\"isbasedontime\"\s*content\=\"[^\"]*)\"/$1\,\Q$copytime\E\"/i; |
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} else { |
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$file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedontime\" content=\"\Q$copytime\E\" \/\>/i; |
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} |
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if ($file_output eq '-1') { |
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return; |
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} else { |
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return $file_output; |
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} |
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} |
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sub get_path_to_newfile { |
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my ($r,$newpath,$listname) = @_; |
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#Figure out if we are author or co-author |
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my ($role,$author_name,$domain) = ©_author(); |
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# Construct path to copy and filter out any possibly nasty stuff |
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my $path = $r->dir_config('lonDocRoot')."/priv/$domain/$author_name/"; |
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my $path_to_new_file = $path."$newpath/$listname"; |
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$path_to_new_file=~s/\.\.//g; |
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$path_to_new_file=~s/\~//g; |
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$path_to_new_file=~s/\/+/\//g; |
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#Just checking again for access as we want to make sure that it is really ok |
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#now that we have the real path |
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my ($uname,$udom)= &Apache::lonnet::constructaccess($path_to_new_file); |
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sub handler { |
if (!$uname || !$udom) { |
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$r->print(&Apache::loncommon::start_page('Not Allowed',undef,{'only_body' => 1})); |
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$r->print(&mt('Not allowed to create file [_1]', $path_to_new_file)); |
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$r->print(&Apache::loncommon::end_page()); |
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if (wantarray) { |
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return(); |
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} else { |
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return; |
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} |
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} |
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if (wantarray) { |
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return ($path_to_new_file,$uname,$udom); |
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} else { |
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return $path_to_new_file; |
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} |
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} |
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sub handler { |
my $r=shift; |
my $r=shift; |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
['filename']); |
['filename','listname','viewonly']); |
my $filename = $ENV{'form.filename'}; |
my $filename = $env{'form.filename'}; |
my $source = &Apache::lonnet::metadata($filename,'sourceavail'); |
my $shownfilename = $filename; |
if ($source ne 'open') { |
$shownfilename =~ s/(`)/'/g; |
$ENV{'user.error.msg'}="$filename:cre:1:1:Source code not available"; |
$shownfilename =~ s/\$/\(\$\)/g; |
return HTTP_NOT_ACCEPTABLE; |
my $listname = $env{'form.listname'}; |
} |
my $viewonly = $env{'form.viewonly'}; |
if ((!&Apache::lonnet::allowed('cre')) || |
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(!&Apache::lonnet::allowed('bre',$filename))) { |
if ($viewonly) { |
$ENV{'user.error.msg'}="$filename:bre:1:1:Access to resource denied"; |
my $canview; |
return HTTP_NOT_ACCEPTABLE; |
$filename =~ s/\.\.//g; |
} |
$filename =~ s/\~//g; |
if ($ENV{'form.action'} eq 'stage2') { |
$filename =~ s/\/+/\//g; |
&stage_2($r, $ENV{'form.filename'}); |
if (($env{'request.course.id'}) && (&Apache::lonnet::is_on_map($filename))) { |
} else { |
if ((&Apache::lonnet::metadata(&Apache::lonenc::check_decrypt($filename)) eq 'open') && |
&Apache::loncommon::content_type($r,'text/html'); |
(&Apache::lonnet::allowed('cre','/'))) { |
$r->send_http_header; |
$canview = 1; |
$r->print(' <form name="copy" action="/adm/source/" target="_parent" method="post"> |
} elsif (&Apache::lonnet::allowed('vxc',$env{'request.course.id'})) { |
<input type="button" value="Close Window" name="close" onClick="window.close()"> |
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
<input type="hidden" name="filename" value="'.$filename.'" /> |
&Apache::lonenc::check_decrypt(\$filename); |
<input type="hidden" name="action" value="stage2" /> |
if (($env{'request.role.domain'} eq $cdom) && ($filename =~ /$LONCAPA::assess_re/)) { |
<input type="submit" value="Copy to CSTR" /> |
my ($auname) = ($filename =~ m{^\Q/res/$cdom/\E($match_username)/}); |
</form>'); |
if (($env{'request.course.adhocsrcaccess'} ne '') && |
$r->print('<hr />'); |
(grep(/^\Q$auname\E$/,split(/,/,$env{'request.course.adhocsrcaccess'})))) { |
&print_item($r, $ENV{'form.filename'}); |
$canview = 1; |
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} |
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} |
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} |
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} |
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unless ($canview) { |
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$env{'user.error.msg'}="$shownfilename:cre:1:1:Source code not available"; |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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} elsif (&Apache::lonnet::metadata($filename,'sourceavail') ne 'open') { |
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$env{'user.error.msg'}="$shownfilename:cre:1:1:Source code not available"; |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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unless (&Apache::lonnet::allowed('bre',$filename)) { |
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$env{'user.error.msg'}="$shownfilename:bre:1:1:Access to resource denied"; |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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unless ($viewonly) { |
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unless (&Apache::lonnet::allowed('cre','/')) { |
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$env{'user.error.msg'}="$shownfilename:cre:1:1:Access to source code denied"; |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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} |
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my $newpath = $env{'form.newpath'}; |
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&Apache::loncommon::content_type($r,'text/html'); |
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$r->send_http_header; |
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if ($viewonly) { |
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&print_item($r,$filename,$listname,'view'); |
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} elsif ($env{'form.action'} eq 'stage2') { |
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&stage_2($r,$filename,$listname); |
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} elsif($env{'form.action'} eq 'copy_stage') { |
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©_stage($r,$filename,$listname,$newpath); |
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} elsif($env{'form.action'} eq 'delete_confirm') { |
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my $path_to_new_file = &get_path_to_newfile($r,$newpath,$listname); |
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if ($path_to_new_file) { |
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&delete_copy_file($r, $newpath, $filename, $path_to_new_file, '0'); |
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} |
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} else { |
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&print_item($r,$filename,$listname); |
} |
} |
return OK; |
return OK; |
} |
} |
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1; |
1; |
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