File:
[LON-CAPA] /
loncom /
interface /
lonsource.pm
Revision
1.8:
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Thu Jul 8 20:17:59 2004 UTC (20 years, 1 month ago) by
taceyjo1
Branches:
MAIN
CVS tags:
version_1_3_X,
version_1_3_3,
version_1_3_2,
version_1_3_1,
version_1_3_0,
version_1_2_X,
version_1_2_99_1,
version_1_2_99_0,
version_1_2_1,
version_1_2_0,
version_1_1_99_5,
version_1_1_99_4,
version_1_1_99_3,
version_1_1_99_2,
HEAD
Cuddled else's AND elsif's
# The LearningOnline Network with CAPA
# Souce Code handler
#
# $Id: lonsource.pm,v 1.8 2004/07/08 20:17:59 taceyjo1 Exp $
#
# 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/
#
###
package Apache::lonsource;
use strict;
use Apache::lonnet();
use Apache::loncommon();
use Apache::lonhtmlcommon();
use Apache::lonsequence();
use Apache::Constants qw(:common :http);
use Apache::lonmeta;
use Apache::File;
use Apache::lonlocal;
use HTML::Entities;
sub make_link {
my ($filename, $listname) = @_;
my $sourcelink = "http://".$ENV{'SERVER_NAME'}.
"/adm/source/?filename=".$filename."&listname=".$listname;
return $sourcelink;
}
sub stage_2 {
my ($r, $filename, $author, $listname) = @_;
$filename = $filename;
&Apache::loncommon::content_type($r,'text/html');
my ($uname, $udom) = &Apache::loncacc::constructaccess('/~'.$author.'/',$r->dir_config('lonDefDomain'));
$r->send_http_header;
$r->print('<html><head><title>LON-CAPA Move source to construction space</title>');
$r->print(&Apache::loncommon::bodytag('Problem source code moving operation'));
$r->print("Please enter the directory that you would like the source code to go into, a default has also been provided <br />");
$r->print("Also note, the path is in reference to the root of your construction space, and new directories will be automatically created. <br /><br />");
$r->print('<form name="copy" action="/adm/source/" target="_parent" method="post">
<input type="hidden" name="filename" value="'.$filename.'" />
<input type="hidden" name="listname" value="'.$listname.'" />
<input type="hidden" name="action" value="copy_stage" />
<input type="text" name="newpath" value="/shared_source/'.$author.'" />
<input type="submit" value="Copy" />
</form>');
return OK;
}
sub copy_stage {
my ($r, $filename, $listname, $newpath) = @_;
my $role;
my $domain;
my $author_name;
#Figure out if we are author or co-author
if($ENV{'request.role'} =~ m|ca.|) {
($role, $domain, $author_name) = split(/\//,$ENV{'request.role'});
} else {
$role = "au.";
$domain = $ENV{'user.domain'};
$author_name = $ENV{'user.name'};
}
my $path_to_new_file = '/home/'.$author_name.'/public_html/'.$newpath.'/'.$listname;
#Just checking again for access as we want to make sure that it is really ok now that we have the real path
my ($uname,$udom)= &Apache::loncacc::constructaccess($path_to_new_file,$domain);
unless (($uname) && ($udom)) {
return HTTP_NOT_ACCEPTABLE;
}
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
$r->print('<html><head><title>LON-CAPA Move source to construction space</title>');
$r->print(&Apache::loncommon::bodytag('Copying Source'));
my $result = &Apache::loncfile::exists($uname, $udom, $path_to_new_file);
$r->print($result);
if(($result) && ($result =~ m|published|) ) {
&delete_copy_file($r, $author_name, $newpath, $filename, $path_to_new_file, '1');
} elsif(($result) && ($result =~ m|exists!|)) {
&confirm($r, $author_name, $newpath, $filename, $path_to_new_file);
} else {
©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
}
return OK;
}
sub confirm {
my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
$r->print("<b>Press delete to remove file and replace it with a copy of the source you are viewing</b><br /><br / >");
$r->print('<form name="delete_confirm" action="/adm/source/" target="_parent" method="post">
<input type="hidden" name="filename" value="'.$filename.'" />
<input type="hidden" name="path" value="'.$path_to_new_file.'" />
<input type="hidden" name="author" value="'.$author_name.'" />
<input type="hidden" name="newpath" value="'.$newpath.'" />
<input type="hidden" name="action" value="delete_confirm" />
<input type="submit" value="Delete" />
</form>');
}
sub delete_copy_file {
my ($r, $author_name, $newpath, $filename, $path_to_new_file, $type) = @_;
if($type eq '1') {
$r->print("<b>Cannot delete non-obsolete published file</b><br />Please
use the code view in previous window to use shared code<br /><br />");
$r->print('<input type="button" value="Close Window" name="close" onClick="window.close()" />');
} else {
if(-e $path_to_new_file) {
unless(unlink($path_to_new_file)) {
$r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
return 0;
}
} else {
$r->print('<p> '.&mt('No such file').'. </p></form>');
return 0;
}
©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
}
}
sub copy_file {
my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
$r->print("<b>Creating directories</b>");
my $path = '/home/'.$author_name.'/public_html/';
my @directories = split(/\//,$newpath);
foreach my $now_checking (@directories) {
if($now_checking ne '') {
$path = $path.'/'.$now_checking;
if(-e $path) {} #More moving along, isn't recursion fun'
else {
unless(mkdir($path, 02770)) {
$r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
return 0;
}
unless(chmod(02770, ($path))) {
$r->print('<font color="red"> '.&mt('Error').': '.$!.'</font>');
return 0;
}
}
} else { } #Just move along
}
$r->print("<br /><b>Copying File</b>");
my $problem_filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
my $file_output = &Apache::lonnet::getfile($problem_filename);
my $fs=Apache::File->new(">$path_to_new_file");
if (defined($fs)) {
print $fs $file_output;
}
$r->print("<br /><br />");
$r->print('<input type="button" value="Close Window" name="close" onClick="window.close()">');
#Some 1.3'ish feature is to include the derivative feature, will go here..'
}
sub print_item {
my ($r, $filename) = @_;
$filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
&Apache::lonnet::logthis("print_item filename = $filename");
my $file_output = &Apache::lonnet::getfile($filename);
my $count=0;
my $maxlength=-1;
foreach (split ("\n", $file_output)) {
$count+=int(length($_)/79);
$count++;
if (length($_) > $maxlength) {
$maxlength = length($_);
}
}
my $rows = $count;
my $cols = $maxlength;
$r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.
&HTML::Entities::encode($file_output,'<>&"').'</textarea>');
return OK;
}
sub handler {
my $r=shift;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['filename','listname']);
my $filename = $ENV{'form.filename'};
my $listname = $ENV{'form.listname'};
my $source = &Apache::lonnet::metadata($filename,'sourceavail');
if ($source ne 'open') {
$ENV{'user.error.msg'}="$filename:cre:1:1:Source code not available";
return HTTP_NOT_ACCEPTABLE;
}
if ((!&Apache::lonnet::allowed('cre',$filename)) ||
(!&Apache::lonnet::allowed('bre',$filename))) {
$ENV{'user.error.msg'}="$filename:bre:1:1:Access to resource denied";
return HTTP_NOT_ACCEPTABLE;
}
if ($ENV{'form.action'} eq 'stage2') {
my $author = &Apache::lonnet::metadata($filename,'authorspace');
$author =~ m|@|;
$author = $`; #This just tells who the author name is for later processing.
&stage_2($r, $ENV{'form.filename'}, $author, $listname);
} elsif($ENV{'form.action'} eq 'copy_stage') {
©_stage($r, $filename,$ENV{'form.listname'},$ENV{'form.newpath'});
} elsif($ENV{'form.action'} eq 'delete_confirm') {
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
&delete_copy_file($r, $ENV{'form.author'}, $ENV{'form.newpath'}, $ENV{'form.filename'}, $ENV{'form.path'}, '0');
} else {
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
$r->print('<form name="copy" action="/adm/source/" target="_parent" method="post">
<input type="button" value="Close Window" name="close" onClick="window.close()" />
<input type="hidden" name="filename" value="'.$filename.'" />
<input type="hidden" name="listname" value="'.$listname.'" />
<input type="hidden" name="action" value="stage2" />
<input type="submit" value="Copy to CSTR" />
</form>');
$r->print('<hr />');
&print_item($r, $ENV{'form.filename'});
}
return OK;
}
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