Annotation of loncom/interface/lonsource.pm, revision 1.21
1.1 taceyjo1 1: # The LearningOnline Network with CAPA
1.2 albertel 2: # Souce Code handler
1.1 taceyjo1 3: #
1.21 ! bisitz 4: # $Id: lonsource.pm,v 1.20 2007/08/28 22:46:32 albertel 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') {
132: $r->print("<b>Cannot delete non-obsolete published file</b><br />Please
133: use the code view in previous window to use shared code<br /><br />");
1.6 taceyjo1 134: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()" />');
1.5 taceyjo1 135: } else {
136: if(-e $path_to_new_file) {
137: unless(unlink($path_to_new_file)) {
138: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
139: return 0;
140: }
141: } else {
142: $r->print('<p> '.&mt('No such file').'. </p></form>');
143: return 0;
144: }
145: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
146: }
1.1 taceyjo1 147: }
148:
1.4 taceyjo1 149: sub copy_file {
1.5 taceyjo1 150: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
151: $r->print("<b>Creating directories</b>");
152: my $path = '/home/'.$author_name.'/public_html/';
153: my @directories = split(/\//,$newpath);
154: foreach my $now_checking (@directories) {
155: if($now_checking ne '') {
156: $path = $path.'/'.$now_checking;
157: if(-e $path) {} #More moving along, isn't recursion fun'
158:
159: else {
160: unless(mkdir($path, 02770)) {
161: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
162: return 0;
163: }
164: unless(chmod(02770, ($path))) {
165: $r->print('<font color="red"> '.&mt('Error').': '.$!.'</font>');
166: return 0;
167: }
168: }
169: } else { } #Just move along
170:
171: }
172: $r->print("<br /><b>Copying File</b>");
1.6 taceyjo1 173: my $problem_filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
1.17 www 174: my $file_output = &includemeta(&Apache::lonnet::getfile($problem_filename),$filename);
1.5 taceyjo1 175: my $fs=Apache::File->new(">$path_to_new_file");
176: if (defined($fs)) {
177: print $fs $file_output;
178: }
179: $r->print("<br /><br />");
180: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()">');
181: #Some 1.3'ish feature is to include the derivative feature, will go here..'
182: }
1.4 taceyjo1 183:
1.1 taceyjo1 184: sub print_item {
1.5 taceyjo1 185: my ($r, $filename) = @_;
1.17 www 186: my $file_output = &includemeta(&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$filename),$filename);
1.5 taceyjo1 187: my $count=0;
188: my $maxlength=-1;
189: foreach (split ("\n", $file_output)) {
190: $count+=int(length($_)/79);
191: $count++;
192: if (length($_) > $maxlength) {
193: $maxlength = length($_);
194: }
195: }
196: my $rows = $count;
197: my $cols = $maxlength;
198: $r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.
199: &HTML::Entities::encode($file_output,'<>&"').'</textarea>');
200: return OK;
201:
1.1 taceyjo1 202: }
203:
1.17 www 204: sub includemeta {
205: my ($file_output,$orgfilename)=@_;
206: my $escfilename=&escape($orgfilename);
207: my $copytime=time;
208: if ($file_output=~/\<meta\s*name\=\"isbasedonres\"/i) {
209: $file_output=~s/(\<meta\s*name\=\"isbasedonres\"\s*content\=\"[^\"]*)\"/$1\,\Q$escfilename\E\"/i;
210: } else {
211: $file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedonres\" content=\"\Q$escfilename\E\" \/\>/i;
212: }
213: if ($file_output=~/\<meta\s*name\=\"isbasedontime\"/i) {
214: $file_output=~s/(\<meta\s*name\=\"isbasedontime\"\s*content\=\"[^\"]*)\"/$1\,\Q$copytime\E\"/i;
215: } else {
216: $file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedontime\" content=\"\Q$copytime\E\" \/\>/i;
217: }
218: return $file_output;
219: }
1.1 taceyjo1 220:
1.5 taceyjo1 221: sub handler {
1.2 albertel 222: my $r=shift;
1.3 www 223: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.5 taceyjo1 224: ['filename','listname']);
1.11 albertel 225: my $filename = $env{'form.filename'};
226: my $listname = $env{'form.listname'};
1.3 www 227: my $source = &Apache::lonnet::metadata($filename,'sourceavail');
228: if ($source ne 'open') {
1.11 albertel 229: $env{'user.error.msg'}="$filename:cre:1:1:Source code not available";
1.5 taceyjo1 230: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 231: }
1.15 www 232: unless ((&Apache::lonnet::allowed('bre',$filename)) &&
233: (&Apache::lonnet::allowed('cre','/'))) {
1.11 albertel 234: $env{'user.error.msg'}="$filename:bre:1:1:Access to resource denied";
1.5 taceyjo1 235: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 236: }
1.20 albertel 237:
238: &Apache::loncommon::content_type($r,'text/html');
239: $r->send_http_header;
240:
1.11 albertel 241: if ($env{'form.action'} eq 'stage2') {
1.5 taceyjo1 242: my $author = &Apache::lonnet::metadata($filename,'authorspace');
1.20 albertel 243: #strip the domain of the author name
244: if ($author =~ /:/) {
245: ($author) = split(/:/,$author);
246: } else {
247: ($author) = split(/@/,$author);
248: }
1.11 albertel 249: &stage_2($r, $env{'form.filename'}, $author, $listname);
250: } elsif($env{'form.action'} eq 'copy_stage') {
251: ©_stage($r, $filename,$env{'form.listname'},$env{'form.newpath'});
252: } elsif($env{'form.action'} eq 'delete_confirm') {
253: &delete_copy_file($r, $env{'form.author'}, $env{'form.newpath'}, $env{'form.filename'}, $env{'form.path'}, '0');
1.6 taceyjo1 254: } else {
1.20 albertel 255: $r->print('<form name="copy" action="/adm/source" target="_parent" method="post">
1.21 ! bisitz 256: <input type="button" value="'.&mt('Close Window').'" name="close" onClick="window.close()" />
1.5 taceyjo1 257: <input type="hidden" name="filename" value="'.$filename.'" />
258: <input type="hidden" name="listname" value="'.$listname.'" />
259: <input type="hidden" name="action" value="stage2" />
1.21 ! bisitz 260: <input type="submit" value="'.&mt('Copy to Construction Space').'" />
1.5 taceyjo1 261: </form>');
262: $r->print('<hr />');
1.11 albertel 263: &print_item($r, $env{'form.filename'});
1.5 taceyjo1 264: }
1.2 albertel 265: return OK;
1.1 taceyjo1 266: }
267:
268: 1;
1.5 taceyjo1 269:
270:
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