Annotation of loncom/interface/lonsource.pm, revision 1.20
1.1 taceyjo1 1: # The LearningOnline Network with CAPA
1.2 albertel 2: # Souce Code handler
1.1 taceyjo1 3: #
1.20 ! albertel 4: # $Id: lonsource.pm,v 1.19 2007/08/28 22:23:22 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'));
1.16 albertel 55: $r->print(&Apache::loncommon::start_page('Problem source code moving operation'));
1.5 taceyjo1 56: $r->print("Please enter the directory that you would like the source code to go into, a default has also been provided <br />");
57: $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 58: $r->print('<form name="copy" action="/adm/source" target="_parent" method="post">
1.5 taceyjo1 59: <input type="hidden" name="filename" value="'.$filename.'" />
60: <input type="hidden" name="listname" value="'.$listname.'" />
61: <input type="hidden" name="action" value="copy_stage" />
1.14 www 62: <input type="text" size="50" name="newpath" value="/shared_source/'.$author.'" />
1.5 taceyjo1 63: <input type="submit" value="Copy" />
64: </form>');
65: return OK;
1.4 taceyjo1 66: }
67:
68:
69: sub copy_stage {
70: my ($r, $filename, $listname, $newpath) = @_;
1.20 ! albertel 71:
! 72: #Figure out if we are author or co-author
1.4 taceyjo1 73: my $role;
74: my $domain;
75: my $author_name;
1.19 albertel 76: if ($env{'request.role'} =~ m{^ca\.}) {
1.11 albertel 77: ($role, $domain, $author_name) = split(/\//,$env{'request.role'});
1.4 taceyjo1 78: } else {
1.5 taceyjo1 79: $role = "au.";
1.11 albertel 80: $domain = $env{'user.domain'};
81: $author_name = $env{'user.name'};
1.5 taceyjo1 82: }
83:
1.4 taceyjo1 84: my $path_to_new_file = '/home/'.$author_name.'/public_html/'.$newpath.'/'.$listname;
1.5 taceyjo1 85: #Just checking again for access as we want to make sure that it is really ok now that we have the real path
86:
1.4 taceyjo1 87: my ($uname,$udom)= &Apache::loncacc::constructaccess($path_to_new_file,$domain);
1.20 ! albertel 88:
! 89: if (!$uname || !$udom) {
! 90: $r->print(&Apache::loncommon::start_page('Not Allowed'));
! 91: $r->print(&mt('Not allowed to create file [_1]', $path_to_new_file));
! 92: $r->print(&Apache::loncommon::end_page());
! 93: return;
1.4 taceyjo1 94: }
1.20 ! albertel 95:
! 96:
! 97: #allowed
1.16 albertel 98: $r->print(&Apache::loncommon::start_page('Copying Source'));
1.5 taceyjo1 99: my $result = &Apache::loncfile::exists($uname, $udom, $path_to_new_file);
100: $r->print($result);
101: if(($result) && ($result =~ m|published|) ) {
1.20 ! albertel 102: &delete_copy_file($r, $author_name, $newpath, $filename, $path_to_new_file, '1');
1.5 taceyjo1 103: } elsif(($result) && ($result =~ m|exists!|)) {
1.20 ! albertel 104: &confirm($r, $author_name, $newpath, $filename, $path_to_new_file);
1.5 taceyjo1 105: } else {
1.20 ! albertel 106: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
1.5 taceyjo1 107: }
1.20 ! albertel 108:
! 109: $r->print(&Apache::loncommon::end_page());
1.4 taceyjo1 110: }
111:
112: sub confirm {
1.5 taceyjo1 113: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
114: $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 115: $r->print('<form name="delete_confirm" action="/adm/source" target="_parent" method="post">
1.5 taceyjo1 116: <input type="hidden" name="filename" value="'.$filename.'" />
117: <input type="hidden" name="path" value="'.$path_to_new_file.'" />
118: <input type="hidden" name="author" value="'.$author_name.'" />
119: <input type="hidden" name="newpath" value="'.$newpath.'" />
120: <input type="hidden" name="action" value="delete_confirm" />
121:
122: <input type="submit" value="Delete" />
123: </form>');
1.4 taceyjo1 124: }
125:
1.6 taceyjo1 126: sub delete_copy_file {
1.5 taceyjo1 127: my ($r, $author_name, $newpath, $filename, $path_to_new_file, $type) = @_;
128: if($type eq '1') {
129: $r->print("<b>Cannot delete non-obsolete published file</b><br />Please
130: use the code view in previous window to use shared code<br /><br />");
1.6 taceyjo1 131: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()" />');
1.5 taceyjo1 132: } else {
133: if(-e $path_to_new_file) {
134: unless(unlink($path_to_new_file)) {
135: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
136: return 0;
137: }
138: } else {
139: $r->print('<p> '.&mt('No such file').'. </p></form>');
140: return 0;
141: }
142: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
143: }
1.1 taceyjo1 144: }
145:
1.4 taceyjo1 146: sub copy_file {
1.5 taceyjo1 147: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
148: $r->print("<b>Creating directories</b>");
149: my $path = '/home/'.$author_name.'/public_html/';
150: my @directories = split(/\//,$newpath);
151: foreach my $now_checking (@directories) {
152: if($now_checking ne '') {
153: $path = $path.'/'.$now_checking;
154: if(-e $path) {} #More moving along, isn't recursion fun'
155:
156: else {
157: unless(mkdir($path, 02770)) {
158: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
159: return 0;
160: }
161: unless(chmod(02770, ($path))) {
162: $r->print('<font color="red"> '.&mt('Error').': '.$!.'</font>');
163: return 0;
164: }
165: }
166: } else { } #Just move along
167:
168: }
169: $r->print("<br /><b>Copying File</b>");
1.6 taceyjo1 170: my $problem_filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
1.17 www 171: my $file_output = &includemeta(&Apache::lonnet::getfile($problem_filename),$filename);
1.5 taceyjo1 172: my $fs=Apache::File->new(">$path_to_new_file");
173: if (defined($fs)) {
174: print $fs $file_output;
175: }
176: $r->print("<br /><br />");
177: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()">');
178: #Some 1.3'ish feature is to include the derivative feature, will go here..'
179: }
1.4 taceyjo1 180:
1.1 taceyjo1 181: sub print_item {
1.5 taceyjo1 182: my ($r, $filename) = @_;
1.17 www 183: my $file_output = &includemeta(&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$filename),$filename);
1.5 taceyjo1 184: my $count=0;
185: my $maxlength=-1;
186: foreach (split ("\n", $file_output)) {
187: $count+=int(length($_)/79);
188: $count++;
189: if (length($_) > $maxlength) {
190: $maxlength = length($_);
191: }
192: }
193: my $rows = $count;
194: my $cols = $maxlength;
195: $r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.
196: &HTML::Entities::encode($file_output,'<>&"').'</textarea>');
197: return OK;
198:
1.1 taceyjo1 199: }
200:
1.17 www 201: sub includemeta {
202: my ($file_output,$orgfilename)=@_;
203: my $escfilename=&escape($orgfilename);
204: my $copytime=time;
205: if ($file_output=~/\<meta\s*name\=\"isbasedonres\"/i) {
206: $file_output=~s/(\<meta\s*name\=\"isbasedonres\"\s*content\=\"[^\"]*)\"/$1\,\Q$escfilename\E\"/i;
207: } else {
208: $file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedonres\" content=\"\Q$escfilename\E\" \/\>/i;
209: }
210: if ($file_output=~/\<meta\s*name\=\"isbasedontime\"/i) {
211: $file_output=~s/(\<meta\s*name\=\"isbasedontime\"\s*content\=\"[^\"]*)\"/$1\,\Q$copytime\E\"/i;
212: } else {
213: $file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedontime\" content=\"\Q$copytime\E\" \/\>/i;
214: }
215: return $file_output;
216: }
1.1 taceyjo1 217:
1.5 taceyjo1 218: sub handler {
1.2 albertel 219: my $r=shift;
1.3 www 220: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.5 taceyjo1 221: ['filename','listname']);
1.11 albertel 222: my $filename = $env{'form.filename'};
223: my $listname = $env{'form.listname'};
1.3 www 224: my $source = &Apache::lonnet::metadata($filename,'sourceavail');
225: if ($source ne 'open') {
1.11 albertel 226: $env{'user.error.msg'}="$filename:cre:1:1:Source code not available";
1.5 taceyjo1 227: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 228: }
1.15 www 229: unless ((&Apache::lonnet::allowed('bre',$filename)) &&
230: (&Apache::lonnet::allowed('cre','/'))) {
1.11 albertel 231: $env{'user.error.msg'}="$filename:bre:1:1:Access to resource denied";
1.5 taceyjo1 232: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 233: }
1.20 ! albertel 234:
! 235: &Apache::loncommon::content_type($r,'text/html');
! 236: $r->send_http_header;
! 237:
1.11 albertel 238: if ($env{'form.action'} eq 'stage2') {
1.5 taceyjo1 239: my $author = &Apache::lonnet::metadata($filename,'authorspace');
1.20 ! albertel 240: #strip the domain of the author name
! 241: if ($author =~ /:/) {
! 242: ($author) = split(/:/,$author);
! 243: } else {
! 244: ($author) = split(/@/,$author);
! 245: }
1.11 albertel 246: &stage_2($r, $env{'form.filename'}, $author, $listname);
247: } elsif($env{'form.action'} eq 'copy_stage') {
248: ©_stage($r, $filename,$env{'form.listname'},$env{'form.newpath'});
249: } elsif($env{'form.action'} eq 'delete_confirm') {
250: &delete_copy_file($r, $env{'form.author'}, $env{'form.newpath'}, $env{'form.filename'}, $env{'form.path'}, '0');
1.6 taceyjo1 251: } else {
1.20 ! albertel 252: $r->print('<form name="copy" action="/adm/source" target="_parent" method="post">
1.6 taceyjo1 253: <input type="button" value="Close Window" name="close" onClick="window.close()" />
1.5 taceyjo1 254: <input type="hidden" name="filename" value="'.$filename.'" />
255: <input type="hidden" name="listname" value="'.$listname.'" />
256: <input type="hidden" name="action" value="stage2" />
257: <input type="submit" value="Copy to CSTR" />
258: </form>');
259: $r->print('<hr />');
1.11 albertel 260: &print_item($r, $env{'form.filename'});
1.5 taceyjo1 261: }
1.2 albertel 262: return OK;
1.1 taceyjo1 263: }
264:
265: 1;
1.5 taceyjo1 266:
267:
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