File:
[LON-CAPA] /
loncom /
interface /
lonsource.pm
Revision
1.8:
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Thu Jul 8 20:17:59 2004 UTC (19 years, 9 months ago) by
taceyjo1
Branches:
MAIN
CVS tags:
version_1_3_X,
version_1_3_3,
version_1_3_2,
version_1_3_1,
version_1_3_0,
version_1_2_X,
version_1_2_99_1,
version_1_2_99_0,
version_1_2_1,
version_1_2_0,
version_1_1_99_5,
version_1_1_99_4,
version_1_1_99_3,
version_1_1_99_2,
HEAD
Cuddled else's AND elsif's
1: # The LearningOnline Network with CAPA
2: # Souce Code handler
3: #
4: # $Id: lonsource.pm,v 1.8 2004/07/08 20:17:59 taceyjo1 Exp $
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;
34: use Apache::lonnet();
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 {
45: my ($filename, $listname) = @_;
46: my $sourcelink = "http://".$ENV{'SERVER_NAME'}.
47: "/adm/source/?filename=".$filename."&listname=".$listname;
48:
49: return $sourcelink;
50: }
51:
52: sub stage_2 {
53: my ($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;
58: $r->print('<html><head><title>LON-CAPA Move source to construction space</title>');
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 />");
62: $r->print('<form name="copy" action="/adm/source/" target="_parent" method="post">
63: <input type="hidden" name="filename" value="'.$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;
70: }
71:
72:
73: sub copy_stage {
74: my ($r, $filename, $listname, $newpath) = @_;
75: my $role;
76: my $domain;
77: my $author_name;
78: #Figure out if we are author or co-author
79:
80: if($ENV{'request.role'} =~ m|ca.|) {
81: ($role, $domain, $author_name) = split(/\//,$ENV{'request.role'});
82: } else {
83: $role = "au.";
84: $domain = $ENV{'user.domain'};
85: $author_name = $ENV{'user.name'};
86: }
87:
88: my $path_to_new_file = '/home/'.$author_name.'/public_html/'.$newpath.'/'.$listname;
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:
91: my ($uname,$udom)= &Apache::loncacc::constructaccess($path_to_new_file,$domain);
92: unless (($uname) && ($udom)) {
93: return HTTP_NOT_ACCEPTABLE;
94: }
95: &Apache::loncommon::content_type($r,'text/html');
96: $r->send_http_header;
97: $r->print('<html><head><title>LON-CAPA Move source to construction space</title>');
98: $r->print(&Apache::loncommon::bodytag('Copying Source'));
99: my $result = &Apache::loncfile::exists($uname, $udom, $path_to_new_file);
100: $r->print($result);
101: if(($result) && ($result =~ m|published|) ) {
102: &delete_copy_file($r, $author_name, $newpath, $filename, $path_to_new_file, '1');
103: } elsif(($result) && ($result =~ m|exists!|)) {
104: &confirm($r, $author_name, $newpath, $filename, $path_to_new_file);
105: } else {
106: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
107: }
108:
109: return OK;
110:
111: }
112:
113: sub confirm {
114: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
115: $r->print("<b>Press delete to remove file and replace it with a copy of the source you are viewing</b><br /><br / >");
116: $r->print('<form name="delete_confirm" action="/adm/source/" target="_parent" method="post">
117: <input type="hidden" name="filename" value="'.$filename.'" />
118: <input type="hidden" name="path" value="'.$path_to_new_file.'" />
119: <input type="hidden" name="author" value="'.$author_name.'" />
120: <input type="hidden" name="newpath" value="'.$newpath.'" />
121: <input type="hidden" name="action" value="delete_confirm" />
122:
123: <input type="submit" value="Delete" />
124: </form>');
125: }
126:
127: sub delete_copy_file {
128: my ($r, $author_name, $newpath, $filename, $path_to_new_file, $type) = @_;
129: if($type eq '1') {
130: $r->print("<b>Cannot delete non-obsolete published file</b><br />Please
131: use the code view in previous window to use shared code<br /><br />");
132: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()" />');
133: } else {
134: if(-e $path_to_new_file) {
135: unless(unlink($path_to_new_file)) {
136: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
137: return 0;
138: }
139: } else {
140: $r->print('<p> '.&mt('No such file').'. </p></form>');
141: return 0;
142: }
143: ©_file($r, $author_name, $newpath, $filename, $path_to_new_file);
144: }
145: }
146:
147: sub copy_file {
148: my ($r, $author_name, $newpath, $filename, $path_to_new_file) = @_;
149: $r->print("<b>Creating directories</b>");
150: my $path = '/home/'.$author_name.'/public_html/';
151: my @directories = split(/\//,$newpath);
152: foreach my $now_checking (@directories) {
153: if($now_checking ne '') {
154: $path = $path.'/'.$now_checking;
155: if(-e $path) {} #More moving along, isn't recursion fun'
156:
157: else {
158: unless(mkdir($path, 02770)) {
159: $r->print('<font color="red">'.&mt('Error').': '.$!.'</font>');
160: return 0;
161: }
162: unless(chmod(02770, ($path))) {
163: $r->print('<font color="red"> '.&mt('Error').': '.$!.'</font>');
164: return 0;
165: }
166: }
167: } else { } #Just move along
168:
169: }
170: $r->print("<br /><b>Copying File</b>");
171: my $problem_filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
172: my $file_output = &Apache::lonnet::getfile($problem_filename);
173: my $fs=Apache::File->new(">$path_to_new_file");
174: if (defined($fs)) {
175: print $fs $file_output;
176: }
177: $r->print("<br /><br />");
178: $r->print('<input type="button" value="Close Window" name="close" onClick="window.close()">');
179: #Some 1.3'ish feature is to include the derivative feature, will go here..'
180: }
181:
182: sub print_item {
183: my ($r, $filename) = @_;
184: $filename = $Apache::lonnet::perlvar{'lonDocRoot'}.$filename;
185: &Apache::lonnet::logthis("print_item filename = $filename");
186: my $file_output = &Apache::lonnet::getfile($filename);
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:
202: }
203:
204:
205: sub handler {
206: my $r=shift;
207: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
208: ['filename','listname']);
209: my $filename = $ENV{'form.filename'};
210: my $listname = $ENV{'form.listname'};
211: my $source = &Apache::lonnet::metadata($filename,'sourceavail');
212: if ($source ne 'open') {
213: $ENV{'user.error.msg'}="$filename:cre:1:1:Source code not available";
214: return HTTP_NOT_ACCEPTABLE;
215: }
216: if ((!&Apache::lonnet::allowed('cre',$filename)) ||
217: (!&Apache::lonnet::allowed('bre',$filename))) {
218: $ENV{'user.error.msg'}="$filename:bre:1:1:Access to resource denied";
219: return HTTP_NOT_ACCEPTABLE;
220: }
221: if ($ENV{'form.action'} eq 'stage2') {
222: my $author = &Apache::lonnet::metadata($filename,'authorspace');
223: $author =~ m|@|;
224: $author = $`; #This just tells who the author name is for later processing.
225: &stage_2($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') {
229: &Apache::loncommon::content_type($r,'text/html');
230: $r->send_http_header;
231: &delete_copy_file($r, $ENV{'form.author'}, $ENV{'form.newpath'}, $ENV{'form.filename'}, $ENV{'form.path'}, '0');
232: } else {
233: &Apache::loncommon::content_type($r,'text/html');
234: $r->send_http_header;
235: $r->print('<form name="copy" action="/adm/source/" target="_parent" method="post">
236: <input type="button" value="Close Window" name="close" onClick="window.close()" />
237: <input type="hidden" name="filename" value="'.$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: $r->print('<hr />');
243: &print_item($r, $ENV{'form.filename'});
244: }
245: return OK;
246: }
247:
248: 1;
249:
250:
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