Annotation of loncom/interface/lonsource.pm, revision 1.24
1.1 taceyjo1 1: # The LearningOnline Network with CAPA
1.23 bisitz 2: # Source Code handler
1.1 taceyjo1 3: #
1.24 ! raeburn 4: # $Id: lonsource.pm,v 1.23 2009/06/09 13:50:03 bisitz Exp $
1.1 taceyjo1 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30:
31: package Apache::lonsource;
32:
33: use strict;
1.11 albertel 34: use Apache::lonnet;
1.1 taceyjo1 35: use Apache::loncommon();
36: use Apache::lonhtmlcommon();
37: use Apache::lonsequence();
38: use Apache::Constants qw(:common :http);
39: use Apache::lonmeta;
40: use Apache::File;
41: use Apache::lonlocal;
42: use HTML::Entities;
1.17 www 43: use LONCAPA;
1.1 taceyjo1 44:
45: sub make_link {
1.4 taceyjo1 46: my ($filename, $listname) = @_;
1.18 albertel 47: my $sourcelink = "/adm/source?inhibitmenu=yes&filename=".$filename."&listname=".$listname;
1.2 albertel 48:
49: return $sourcelink;
1.1 taceyjo1 50: }
51:
52: sub stage_2 {
1.5 taceyjo1 53: my ($r, $filename, $author, $listname) = @_;
54: my ($uname, $udom) = &Apache::loncacc::constructaccess('/~'.$author.'/',$r->dir_config('lonDefDomain'));
1.21 bisitz 55: $r->print(&Apache::loncommon::start_page('Copy Problem Source Code to Construction Space')
56: .&mt('Please enter the directory that you would like the source code to go into.')
57: .'<p>'
58: .&mt('Note: the path is in reference to the root of your construction space,'
59: .' and new directories will be automatically created.')
60: .'</p>');
1.13 www 61: $r->print('<form name="copy" action="/adm/source" target="_parent" method="post">
1.5 taceyjo1 62: <input type="hidden" name="filename" value="'.$filename.'" />
63: <input type="hidden" name="listname" value="'.$listname.'" />
64: <input type="hidden" name="action" value="copy_stage" />
1.21 bisitz 65: <input type="text" size="50" name="newpath" value="/'.&mt('shared_source').'/'.$author.'" />
66: <input type="submit" value="'.&mt('Copy').'" />
1.5 taceyjo1 67: </form>');
68: return OK;
1.4 taceyjo1 69: }
70:
71:
72: sub copy_stage {
73: my ($r, $filename, $listname, $newpath) = @_;
1.20 albertel 74:
75: #Figure out if we are author or co-author
1.4 taceyjo1 76: my $role;
77: my $domain;
78: my $author_name;
1.19 albertel 79: if ($env{'request.role'} =~ m{^ca\.}) {
1.11 albertel 80: ($role, $domain, $author_name) = split(/\//,$env{'request.role'});
1.4 taceyjo1 81: } else {
1.5 taceyjo1 82: $role = "au.";
1.11 albertel 83: $domain = $env{'user.domain'};
84: $author_name = $env{'user.name'};
1.5 taceyjo1 85: }
86:
1.4 taceyjo1 87: my $path_to_new_file = '/home/'.$author_name.'/public_html/'.$newpath.'/'.$listname;
1.5 taceyjo1 88: #Just checking again for access as we want to make sure that it is really ok now that we have the real path
89:
1.4 taceyjo1 90: my ($uname,$udom)= &Apache::loncacc::constructaccess($path_to_new_file,$domain);
1.20 albertel 91:
92: if (!$uname || !$udom) {
93: $r->print(&Apache::loncommon::start_page('Not Allowed'));
94: $r->print(&mt('Not allowed to create file [_1]', $path_to_new_file));
95: $r->print(&Apache::loncommon::end_page());
96: return;
1.4 taceyjo1 97: }
1.20 albertel 98:
99:
100: #allowed
1.16 albertel 101: $r->print(&Apache::loncommon::start_page('Copying Source'));
1.5 taceyjo1 102: my $result = &Apache::loncfile::exists($uname, $udom, $path_to_new_file);
103: $r->print($result);
104: if(($result) && ($result =~ m|published|) ) {
1.20 albertel 105: &delete_copy_file($r, $author_name, $newpath, $filename, $path_to_new_file, '1');
1.5 taceyjo1 106: } elsif(($result) && ($result =~ m|exists!|)) {
1.20 albertel 107: &confirm($r, $author_name, $newpath, $filename, $path_to_new_file);
1.5 taceyjo1 108: } else {
1.20 albertel 109: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
1.5 taceyjo1 110: }
1.20 albertel 111:
112: $r->print(&Apache::loncommon::end_page());
1.4 taceyjo1 113: }
114:
115: sub confirm {
1.5 taceyjo1 116: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
117: $r->print("<b>Press delete to remove file and replace it with a copy of the source you are viewing</b><br /><br / >");
1.13 www 118: $r->print('<form name="delete_confirm" action="/adm/source" target="_parent" method="post">
1.5 taceyjo1 119: <input type="hidden" name="filename" value="'.$filename.'" />
120: <input type="hidden" name="path" value="'.$path_to_new_file.'" />
121: <input type="hidden" name="author" value="'.$author_name.'" />
122: <input type="hidden" name="newpath" value="'.$newpath.'" />
123: <input type="hidden" name="action" value="delete_confirm" />
124:
125: <input type="submit" value="Delete" />
126: </form>');
1.4 taceyjo1 127: }
128:
1.6 taceyjo1 129: sub delete_copy_file {
1.5 taceyjo1 130: my ($r, $author_name, $newpath, $filename, $path_to_new_file, $type) = @_;
131: if($type eq '1') {
1.23 bisitz 132: $r->print('<p><span class="LC_warning">'
133: .&mt('Cannot delete non-obsolete published file.')
134: .'</span><br />'
135: .&mt('Please use the code view in previous window to use shared code.')
136: .'<br /><br />');
137: $r->print('<input type="button" value="Close Window" name="close"'
1.24 ! raeburn 138: .' onclick="window.close()" />'
1.23 bisitz 139: .'</p>');
1.5 taceyjo1 140: } else {
141: if(-e $path_to_new_file) {
142: unless(unlink($path_to_new_file)) {
1.23 bisitz 143: $r->print('<p class="LC_error"">'.&mt('Error:').' '.$!.'</p>');
1.5 taceyjo1 144: return 0;
145: }
146: } else {
1.23 bisitz 147: $r->print('<p class="LC_error">'.&mt('No such file').'</p></form>');
1.5 taceyjo1 148: return 0;
149: }
150: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
151: }
1.1 taceyjo1 152: }
153:
1.4 taceyjo1 154: sub copy_file {
1.5 taceyjo1 155: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
156: $r->print("<b>Creating directories</b>");
157: my $path = '/home/'.$author_name.'/public_html/';
158: my @directories = split(/\//,$newpath);
159: foreach my $now_checking (@directories) {
160: if($now_checking ne '') {
161: $path = $path.'/'.$now_checking;
162: if(-e $path) {} #More moving along, isn't recursion fun'
163:
164: else {
165: unless(mkdir($path, 02770)) {
1.23 bisitz 166: $r->print('<p class="LC_error">'.&mt('Error:').' '.$!.'</p>');
1.5 taceyjo1 167: return 0;
168: }
169: unless(chmod(02770, ($path))) {
1.23 bisitz 170: $r->print('<p class="LC_error"> '.&mt('Error:').' '.$!.'</p>');
1.5 taceyjo1 171: return 0;
172: }
173: }
174: } else { } #Just move along
175:
176: }
177: $r->print("<br /><b>Copying File</b>");
1.6 taceyjo1 178: my $problem_filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
1.17 www 179: my $file_output = &includemeta(&Apache::lonnet::getfile($problem_filename),$filename);
1.5 taceyjo1 180: my $fs=Apache::File->new(">$path_to_new_file");
181: if (defined($fs)) {
182: print $fs $file_output;
183: }
184: $r->print("<br /><br />");
1.24 ! raeburn 185: $r->print('<input type="button" value="Close Window" name="close" onclick="window.close()" />');
1.5 taceyjo1 186: #Some 1.3'ish feature is to include the derivative feature, will go here..'
187: }
1.4 taceyjo1 188:
1.1 taceyjo1 189: sub print_item {
1.5 taceyjo1 190: my ($r, $filename) = @_;
1.17 www 191: my $file_output = &includemeta(&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$filename),$filename);
1.5 taceyjo1 192: my $count=0;
193: my $maxlength=-1;
194: foreach (split ("\n", $file_output)) {
195: $count+=int(length($_)/79);
196: $count++;
197: if (length($_) > $maxlength) {
198: $maxlength = length($_);
199: }
200: }
201: my $rows = $count;
202: my $cols = $maxlength;
203: $r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.
204: &HTML::Entities::encode($file_output,'<>&"').'</textarea>');
205: return OK;
206:
1.1 taceyjo1 207: }
208:
1.17 www 209: sub includemeta {
210: my ($file_output,$orgfilename)=@_;
211: my $escfilename=&escape($orgfilename);
212: my $copytime=time;
213: if ($file_output=~/\<meta\s*name\=\"isbasedonres\"/i) {
214: $file_output=~s/(\<meta\s*name\=\"isbasedonres\"\s*content\=\"[^\"]*)\"/$1\,\Q$escfilename\E\"/i;
215: } else {
216: $file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedonres\" content=\"\Q$escfilename\E\" \/\>/i;
217: }
218: if ($file_output=~/\<meta\s*name\=\"isbasedontime\"/i) {
219: $file_output=~s/(\<meta\s*name\=\"isbasedontime\"\s*content\=\"[^\"]*)\"/$1\,\Q$copytime\E\"/i;
220: } else {
221: $file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedontime\" content=\"\Q$copytime\E\" \/\>/i;
222: }
223: return $file_output;
224: }
1.1 taceyjo1 225:
1.5 taceyjo1 226: sub handler {
1.2 albertel 227: my $r=shift;
1.3 www 228: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.5 taceyjo1 229: ['filename','listname']);
1.11 albertel 230: my $filename = $env{'form.filename'};
231: my $listname = $env{'form.listname'};
1.3 www 232: my $source = &Apache::lonnet::metadata($filename,'sourceavail');
233: if ($source ne 'open') {
1.11 albertel 234: $env{'user.error.msg'}="$filename:cre:1:1:Source code not available";
1.5 taceyjo1 235: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 236: }
1.15 www 237: unless ((&Apache::lonnet::allowed('bre',$filename)) &&
238: (&Apache::lonnet::allowed('cre','/'))) {
1.11 albertel 239: $env{'user.error.msg'}="$filename:bre:1:1:Access to resource denied";
1.5 taceyjo1 240: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 241: }
1.20 albertel 242:
243: &Apache::loncommon::content_type($r,'text/html');
244: $r->send_http_header;
245:
1.11 albertel 246: if ($env{'form.action'} eq 'stage2') {
1.5 taceyjo1 247: my $author = &Apache::lonnet::metadata($filename,'authorspace');
1.20 albertel 248: #strip the domain of the author name
249: if ($author =~ /:/) {
250: ($author) = split(/:/,$author);
251: } else {
252: ($author) = split(/@/,$author);
253: }
1.11 albertel 254: &stage_2($r, $env{'form.filename'}, $author, $listname);
255: } elsif($env{'form.action'} eq 'copy_stage') {
256: ©_stage($r, $filename,$env{'form.listname'},$env{'form.newpath'});
257: } elsif($env{'form.action'} eq 'delete_confirm') {
258: &delete_copy_file($r, $env{'form.author'}, $env{'form.newpath'}, $env{'form.filename'}, $env{'form.path'}, '0');
1.6 taceyjo1 259: } else {
1.20 albertel 260: $r->print('<form name="copy" action="/adm/source" target="_parent" method="post">
1.24 ! raeburn 261: <input type="button" value="'.&mt('Close Window').'" name="close" onclick="window.close()" />
1.5 taceyjo1 262: <input type="hidden" name="filename" value="'.$filename.'" />
263: <input type="hidden" name="listname" value="'.$listname.'" />
264: <input type="hidden" name="action" value="stage2" />
1.21 bisitz 265: <input type="submit" value="'.&mt('Copy to Construction Space').'" />
1.5 taceyjo1 266: </form>');
267: $r->print('<hr />');
1.11 albertel 268: &print_item($r, $env{'form.filename'});
1.5 taceyjo1 269: }
1.2 albertel 270: return OK;
1.1 taceyjo1 271: }
272:
273: 1;
1.5 taceyjo1 274:
275:
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