Annotation of loncom/interface/lonsource.pm, revision 1.18
1.1 taceyjo1 1: # The LearningOnline Network with CAPA
1.2 albertel 2: # Souce Code handler
1.1 taceyjo1 3: #
1.18 ! albertel 4: # $Id: lonsource.pm,v 1.17 2006/06/22 18:17:23 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;
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: $filename = $filename;
55: &Apache::loncommon::content_type($r,'text/html');
56: my ($uname, $udom) = &Apache::loncacc::constructaccess('/~'.$author.'/',$r->dir_config('lonDefDomain'));
57: $r->send_http_header;
1.16 albertel 58: $r->print(&Apache::loncommon::start_page('Problem source code moving operation'));
1.5 taceyjo1 59: $r->print("Please enter the directory that you would like the source code to go into, a default has also been provided <br />");
60: $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 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="'.$listname.'" />
64: <input type="hidden" name="action" value="copy_stage" />
1.14 www 65: <input type="text" size="50" name="newpath" value="/shared_source/'.$author.'" />
1.5 taceyjo1 66: <input type="submit" value="Copy" />
67: </form>');
68: return OK;
1.4 taceyjo1 69: }
70:
71:
72: sub copy_stage {
73: my ($r, $filename, $listname, $newpath) = @_;
74: my $role;
75: my $domain;
76: my $author_name;
1.5 taceyjo1 77: #Figure out if we are author or co-author
78:
1.11 albertel 79: if($env{'request.role'} =~ m|ca.|) {
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);
91: unless (($uname) && ($udom)) {
1.5 taceyjo1 92: return HTTP_NOT_ACCEPTABLE;
1.4 taceyjo1 93: }
94: &Apache::loncommon::content_type($r,'text/html');
95: $r->send_http_header;
1.16 albertel 96: $r->print(&Apache::loncommon::start_page('Copying Source'));
1.5 taceyjo1 97: my $result = &Apache::loncfile::exists($uname, $udom, $path_to_new_file);
98: $r->print($result);
99: if(($result) && ($result =~ m|published|) ) {
1.6 taceyjo1 100: &delete_copy_file($r, $author_name, $newpath, $filename, $path_to_new_file, '1');
1.5 taceyjo1 101: } elsif(($result) && ($result =~ m|exists!|)) {
102: &confirm($r, $author_name, $newpath, $filename, $path_to_new_file);
103: } else {
104: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
105: }
106:
107: return OK;
108:
1.4 taceyjo1 109: }
110:
111: sub confirm {
1.5 taceyjo1 112: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
113: $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 114: $r->print('<form name="delete_confirm" action="/adm/source" target="_parent" method="post">
1.5 taceyjo1 115: <input type="hidden" name="filename" value="'.$filename.'" />
116: <input type="hidden" name="path" value="'.$path_to_new_file.'" />
117: <input type="hidden" name="author" value="'.$author_name.'" />
118: <input type="hidden" name="newpath" value="'.$newpath.'" />
119: <input type="hidden" name="action" value="delete_confirm" />
120:
121: <input type="submit" value="Delete" />
122: </form>');
1.4 taceyjo1 123: }
124:
1.6 taceyjo1 125: sub delete_copy_file {
1.5 taceyjo1 126: my ($r, $author_name, $newpath, $filename, $path_to_new_file, $type) = @_;
127: if($type eq '1') {
128: $r->print("<b>Cannot delete non-obsolete published file</b><br />Please
129: use the code view in previous window to use shared code<br /><br />");
1.6 taceyjo1 130: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()" />');
1.5 taceyjo1 131: } else {
132: if(-e $path_to_new_file) {
133: unless(unlink($path_to_new_file)) {
134: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
135: return 0;
136: }
137: } else {
138: $r->print('<p> '.&mt('No such file').'. </p></form>');
139: return 0;
140: }
141: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
142: }
1.1 taceyjo1 143: }
144:
1.4 taceyjo1 145: sub copy_file {
1.5 taceyjo1 146: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
147: $r->print("<b>Creating directories</b>");
148: my $path = '/home/'.$author_name.'/public_html/';
149: my @directories = split(/\//,$newpath);
150: foreach my $now_checking (@directories) {
151: if($now_checking ne '') {
152: $path = $path.'/'.$now_checking;
153: if(-e $path) {} #More moving along, isn't recursion fun'
154:
155: else {
156: unless(mkdir($path, 02770)) {
157: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
158: return 0;
159: }
160: unless(chmod(02770, ($path))) {
161: $r->print('<font color="red"> '.&mt('Error').': '.$!.'</font>');
162: return 0;
163: }
164: }
165: } else { } #Just move along
166:
167: }
168: $r->print("<br /><b>Copying File</b>");
1.6 taceyjo1 169: my $problem_filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
1.17 www 170: my $file_output = &includemeta(&Apache::lonnet::getfile($problem_filename),$filename);
1.5 taceyjo1 171: my $fs=Apache::File->new(">$path_to_new_file");
172: if (defined($fs)) {
173: print $fs $file_output;
174: }
175: $r->print("<br /><br />");
176: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()">');
177: #Some 1.3'ish feature is to include the derivative feature, will go here..'
178: }
1.4 taceyjo1 179:
1.1 taceyjo1 180: sub print_item {
1.5 taceyjo1 181: my ($r, $filename) = @_;
1.17 www 182: my $file_output = &includemeta(&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.$filename),$filename);
1.5 taceyjo1 183: my $count=0;
184: my $maxlength=-1;
185: foreach (split ("\n", $file_output)) {
186: $count+=int(length($_)/79);
187: $count++;
188: if (length($_) > $maxlength) {
189: $maxlength = length($_);
190: }
191: }
192: my $rows = $count;
193: my $cols = $maxlength;
194: $r->print('<textarea rows="'.$rows.'" cols="'.$cols.'" name="editxmltext">'.
195: &HTML::Entities::encode($file_output,'<>&"').'</textarea>');
196: return OK;
197:
1.1 taceyjo1 198: }
199:
1.17 www 200: sub includemeta {
201: my ($file_output,$orgfilename)=@_;
202: my $escfilename=&escape($orgfilename);
203: my $copytime=time;
204: if ($file_output=~/\<meta\s*name\=\"isbasedonres\"/i) {
205: $file_output=~s/(\<meta\s*name\=\"isbasedonres\"\s*content\=\"[^\"]*)\"/$1\,\Q$escfilename\E\"/i;
206: } else {
207: $file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedonres\" content=\"\Q$escfilename\E\" \/\>/i;
208: }
209: if ($file_output=~/\<meta\s*name\=\"isbasedontime\"/i) {
210: $file_output=~s/(\<meta\s*name\=\"isbasedontime\"\s*content\=\"[^\"]*)\"/$1\,\Q$copytime\E\"/i;
211: } else {
212: $file_output=~s/(\<(?:html|problem)[^\>]*\>)/$1\n\<meta name=\"isbasedontime\" content=\"\Q$copytime\E\" \/\>/i;
213: }
214: return $file_output;
215: }
1.1 taceyjo1 216:
1.5 taceyjo1 217: sub handler {
1.2 albertel 218: my $r=shift;
1.3 www 219: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.5 taceyjo1 220: ['filename','listname']);
1.11 albertel 221: my $filename = $env{'form.filename'};
222: my $listname = $env{'form.listname'};
1.3 www 223: my $source = &Apache::lonnet::metadata($filename,'sourceavail');
224: if ($source ne 'open') {
1.11 albertel 225: $env{'user.error.msg'}="$filename:cre:1:1:Source code not available";
1.5 taceyjo1 226: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 227: }
1.15 www 228: unless ((&Apache::lonnet::allowed('bre',$filename)) &&
229: (&Apache::lonnet::allowed('cre','/'))) {
1.11 albertel 230: $env{'user.error.msg'}="$filename:bre:1:1:Access to resource denied";
1.5 taceyjo1 231: return HTTP_NOT_ACCEPTABLE;
1.7 taceyjo1 232: }
1.11 albertel 233: if ($env{'form.action'} eq 'stage2') {
1.5 taceyjo1 234: my $author = &Apache::lonnet::metadata($filename,'authorspace');
1.10 albertel 235: ($author) = split('@',$author); #strip the domain of the author name
1.11 albertel 236: &stage_2($r, $env{'form.filename'}, $author, $listname);
237: } elsif($env{'form.action'} eq 'copy_stage') {
238: ©_stage($r, $filename,$env{'form.listname'},$env{'form.newpath'});
239: } elsif($env{'form.action'} eq 'delete_confirm') {
1.5 taceyjo1 240: &Apache::loncommon::content_type($r,'text/html');
241: $r->send_http_header;
1.11 albertel 242: &delete_copy_file($r, $env{'form.author'}, $env{'form.newpath'}, $env{'form.filename'}, $env{'form.path'}, '0');
1.6 taceyjo1 243: } else {
1.5 taceyjo1 244: &Apache::loncommon::content_type($r,'text/html');
245: $r->send_http_header;
1.13 www 246: $r->print('<form name="copy" action="/adm/source" target="_parent" method="post">
1.6 taceyjo1 247: <input type="button" value="Close Window" name="close" onClick="window.close()" />
1.5 taceyjo1 248: <input type="hidden" name="filename" value="'.$filename.'" />
249: <input type="hidden" name="listname" value="'.$listname.'" />
250: <input type="hidden" name="action" value="stage2" />
251: <input type="submit" value="Copy to CSTR" />
252: </form>');
253: $r->print('<hr />');
1.11 albertel 254: &print_item($r, $env{'form.filename'});
1.5 taceyjo1 255: }
1.2 albertel 256: return OK;
1.1 taceyjo1 257: }
258:
259: 1;
1.5 taceyjo1 260:
261:
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