Annotation of loncom/interface/lonsource.pm, revision 1.13
1.1 taceyjo1 1: # The LearningOnline Network with CAPA
1.2 albertel 2: # Souce Code handler
1.1 taceyjo1 3: #
1.13 ! www 4: # $Id: lonsource.pm,v 1.12 2005/06/23 23:07:04 www 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;
43:
44: sub make_link {
1.4 taceyjo1 45: my ($filename, $listname) = @_;
1.12 www 46: my $sourcelink = "/adm/source?filename=".$filename."&listname=".$listname;
1.2 albertel 47:
48: return $sourcelink;
1.1 taceyjo1 49: }
50:
51: sub stage_2 {
1.5 taceyjo1 52: my ($r, $filename, $author, $listname) = @_;
53: $filename = $filename;
54: &Apache::loncommon::content_type($r,'text/html');
55: my ($uname, $udom) = &Apache::loncacc::constructaccess('/~'.$author.'/',$r->dir_config('lonDefDomain'));
56: $r->send_http_header;
1.9 albertel 57: my $html=&Apache::lonxml::xmlbegin();
58: $r->print($html.'<head><title>LON-CAPA Move source to construction space</title>');
1.5 taceyjo1 59: $r->print(&Apache::loncommon::bodytag('Problem source code moving operation'));
60: $r->print("Please enter the directory that you would like the source code to go into, a default has also been provided <br />");
61: $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 />");
1.13 ! www 62: $r->print('<form name="copy" action="/adm/source" target="_parent" method="post">
1.5 taceyjo1 63: <input type="hidden" name="filename" value="'.$filename.'" />
64: <input type="hidden" name="listname" value="'.$listname.'" />
65: <input type="hidden" name="action" value="copy_stage" />
66: <input type="text" name="newpath" value="/shared_source/'.$author.'" />
67: <input type="submit" value="Copy" />
68: </form>');
69: return OK;
1.4 taceyjo1 70: }
71:
72:
73: sub copy_stage {
74: my ($r, $filename, $listname, $newpath) = @_;
75: my $role;
76: my $domain;
77: my $author_name;
1.5 taceyjo1 78: #Figure out if we are author or co-author
79:
1.11 albertel 80: if($env{'request.role'} =~ m|ca.|) {
81: ($role, $domain, $author_name) = split(/\//,$env{'request.role'});
1.4 taceyjo1 82: } else {
1.5 taceyjo1 83: $role = "au.";
1.11 albertel 84: $domain = $env{'user.domain'};
85: $author_name = $env{'user.name'};
1.5 taceyjo1 86: }
87:
1.4 taceyjo1 88: my $path_to_new_file = '/home/'.$author_name.'/public_html/'.$newpath.'/'.$listname;
1.5 taceyjo1 89: #Just checking again for access as we want to make sure that it is really ok now that we have the real path
90:
1.4 taceyjo1 91: my ($uname,$udom)= &Apache::loncacc::constructaccess($path_to_new_file,$domain);
92: unless (($uname) && ($udom)) {
1.5 taceyjo1 93: return HTTP_NOT_ACCEPTABLE;
1.4 taceyjo1 94: }
95: &Apache::loncommon::content_type($r,'text/html');
96: $r->send_http_header;
1.9 albertel 97: my $html=&Apache::lonxml::xmlbegin();
98: $r->print($html.'<head><title>LON-CAPA Move source to construction space</title>');
1.5 taceyjo1 99: $r->print(&Apache::loncommon::bodytag('Copying Source'));
100: my $result = &Apache::loncfile::exists($uname, $udom, $path_to_new_file);
101: $r->print($result);
102: if(($result) && ($result =~ m|published|) ) {
1.6 taceyjo1 103: &delete_copy_file($r, $author_name, $newpath, $filename, $path_to_new_file, '1');
1.5 taceyjo1 104: } elsif(($result) && ($result =~ m|exists!|)) {
105: &confirm($r, $author_name, $newpath, $filename, $path_to_new_file);
106: } else {
107: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
108: }
109:
110: return OK;
111:
1.4 taceyjo1 112: }
113:
114: sub confirm {
1.5 taceyjo1 115: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
116: $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 117: $r->print('<form name="delete_confirm" action="/adm/source" target="_parent" method="post">
1.5 taceyjo1 118: <input type="hidden" name="filename" value="'.$filename.'" />
119: <input type="hidden" name="path" value="'.$path_to_new_file.'" />
120: <input type="hidden" name="author" value="'.$author_name.'" />
121: <input type="hidden" name="newpath" value="'.$newpath.'" />
122: <input type="hidden" name="action" value="delete_confirm" />
123:
124: <input type="submit" value="Delete" />
125: </form>');
1.4 taceyjo1 126: }
127:
1.6 taceyjo1 128: sub delete_copy_file {
1.5 taceyjo1 129: my ($r, $author_name, $newpath, $filename, $path_to_new_file, $type) = @_;
130: if($type eq '1') {
131: $r->print("<b>Cannot delete non-obsolete published file</b><br />Please
132: use the code view in previous window to use shared code<br /><br />");
1.6 taceyjo1 133: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()" />');
1.5 taceyjo1 134: } else {
135: if(-e $path_to_new_file) {
136: unless(unlink($path_to_new_file)) {
137: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
138: return 0;
139: }
140: } else {
141: $r->print('<p> '.&mt('No such file').'. </p></form>');
142: return 0;
143: }
144: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
145: }
1.1 taceyjo1 146: }
147:
1.4 taceyjo1 148: sub copy_file {
1.5 taceyjo1 149: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
150: $r->print("<b>Creating directories</b>");
151: my $path = '/home/'.$author_name.'/public_html/';
152: my @directories = split(/\//,$newpath);
153: foreach my $now_checking (@directories) {
154: if($now_checking ne '') {
155: $path = $path.'/'.$now_checking;
156: if(-e $path) {} #More moving along, isn't recursion fun'
157:
158: else {
159: unless(mkdir($path, 02770)) {
160: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
161: return 0;
162: }
163: unless(chmod(02770, ($path))) {
164: $r->print('<font color="red"> '.&mt('Error').': '.$!.'</font>');
165: return 0;
166: }
167: }
168: } else { } #Just move along
169:
170: }
171: $r->print("<br /><b>Copying File</b>");
1.6 taceyjo1 172: my $problem_filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
1.5 taceyjo1 173: my $file_output = &Apache::lonnet::getfile($problem_filename);
174: my $fs=Apache::File->new(">$path_to_new_file");
175: if (defined($fs)) {
176: print $fs $file_output;
177: }
178: $r->print("<br /><br />");
179: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()">');
180: #Some 1.3'ish feature is to include the derivative feature, will go here..'
181: }
1.4 taceyjo1 182:
1.1 taceyjo1 183: sub print_item {
1.5 taceyjo1 184: my ($r, $filename) = @_;
1.6 taceyjo1 185: $filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
1.5 taceyjo1 186: &Apache::lonnet::logthis("print_item filename = $filename");
187: my $file_output = &Apache::lonnet::getfile($filename);
188: my $count=0;
189: my $maxlength=-1;
190: foreach (split ("\n", $file_output)) {
191: $count+=int(length($_)/79);
192: $count++;
193: if (length($_) > $maxlength) {
194: $maxlength = length($_);
195: }
196: }
197: my $rows = $count;
198: my $cols = $maxlength;
199: $r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.
200: &HTML::Entities::encode($file_output,'<>&"').'</textarea>');
201: return OK;
202:
1.1 taceyjo1 203: }
204:
205:
1.5 taceyjo1 206: sub handler {
1.2 albertel 207: my $r=shift;
1.3 www 208: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.5 taceyjo1 209: ['filename','listname']);
1.11 albertel 210: my $filename = $env{'form.filename'};
211: my $listname = $env{'form.listname'};
1.3 www 212: my $source = &Apache::lonnet::metadata($filename,'sourceavail');
213: if ($source ne 'open') {
1.11 albertel 214: $env{'user.error.msg'}="$filename:cre:1:1:Source code not available";
1.5 taceyjo1 215: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 216: }
217: if ((!&Apache::lonnet::allowed('cre',$filename)) ||
1.5 taceyjo1 218: (!&Apache::lonnet::allowed('bre',$filename))) {
1.11 albertel 219: $env{'user.error.msg'}="$filename:bre:1:1:Access to resource denied";
1.5 taceyjo1 220: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 221: }
1.11 albertel 222: if ($env{'form.action'} eq 'stage2') {
1.5 taceyjo1 223: my $author = &Apache::lonnet::metadata($filename,'authorspace');
1.10 albertel 224: ($author) = split('@',$author); #strip the domain of the author name
1.11 albertel 225: &stage_2($r, $env{'form.filename'}, $author, $listname);
226: } elsif($env{'form.action'} eq 'copy_stage') {
227: ©_stage($r, $filename,$env{'form.listname'},$env{'form.newpath'});
228: } elsif($env{'form.action'} eq 'delete_confirm') {
1.5 taceyjo1 229: &Apache::loncommon::content_type($r,'text/html');
230: $r->send_http_header;
1.11 albertel 231: &delete_copy_file($r, $env{'form.author'}, $env{'form.newpath'}, $env{'form.filename'}, $env{'form.path'}, '0');
1.6 taceyjo1 232: } else {
1.5 taceyjo1 233: &Apache::loncommon::content_type($r,'text/html');
234: $r->send_http_header;
1.13 ! www 235: $r->print('<form name="copy" action="/adm/source" target="_parent" method="post">
1.6 taceyjo1 236: <input type="button" value="Close Window" name="close" onClick="window.close()" />
1.5 taceyjo1 237: <input type="hidden" name="filename" value="'.$filename.'" />
238: <input type="hidden" name="listname" value="'.$listname.'" />
239: <input type="hidden" name="action" value="stage2" />
240: <input type="submit" value="Copy to CSTR" />
241: </form>');
242: $r->print('<hr />');
1.11 albertel 243: &print_item($r, $env{'form.filename'});
1.5 taceyjo1 244: }
1.2 albertel 245: return OK;
1.1 taceyjo1 246: }
247:
248: 1;
1.5 taceyjo1 249:
250:
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