1: # The LearningOnline Network with CAPA
2: # Handler to manage course access keys
3: #
4: # $Id: lonmanagekeys.pm,v 1.16 2005/02/17 08:29:42 albertel 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::lonmanagekeys;
32:
33: use strict;
34: use Apache::lonnet();
35: use Apache::loncommon();
36: use Apache::lonhtmlcommon();
37: use Apache::Constants qw(:common :http REDIRECT);
38: use Spreadsheet::WriteExcel;
39: use Apache::lonlocal;
40:
41: ###############################################################
42: ###############################################################
43: sub header {
44: my $html=&Apache::lonxml::xmlbegin();
45: my $bodytag=&Apache::loncommon::bodytag('Access Key Management');
46: return(<<ENDHEAD);
47: $html
48: <head>
49: <title>LON-CAPA Access Key Management</title>
50: </head>
51: $bodytag
52: <form method="post" enctype="multipart/form-data"
53: action="/adm/managekeys" name="keyform">
54: ENDHEAD
55: }
56:
57: # =================================================== Show student list to drop
58: sub show_key_list {
59: my ($r,$csvlist,$comment,$newonly,$checkonly,%cenv)=@_;
60: $comment=~s/\W/\./g;
61: my %accesskeys=&Apache::lonnet::dump
62: ('accesskeys',$cenv{'domain'},$cenv{'num'});
63: unless ($csvlist) {
64: $r->print(<<ENDTABLEHEADER);
65: <script>
66: function copyallcom(tf) {
67: for (i=0; i<tf.elements.length; i++) {
68: if (tf.elements[i].name.indexOf('com_')==0) {
69: tf.elements[i].value+=tf.copyall.value;
70: }
71: }
72:
73: }
74: </script>
75: <h3>List of Keys/Enter New Comments</h3>
76: <table border="2"><tr><th>Key</th><th>Checked Out</th>
77: <th>Comments/Remarks/Notes</th>
78: <th>Enter Additional Comments/Remarks/Notes<br />
79: <input type="text" size="40" name="copyall" />
80: <input type="button" value="Copy to All" onClick="copyallcom(this.form);" />
81: </th></tr>
82: ENDTABLEHEADER
83: }
84: foreach (keys %accesskeys) {
85: if ($_=~/^error\:/) {
86: $r->print('<tr><td>No keys have been generated yet.</td></tr>');
87: } elsif ($accesskeys{$_}=~/$comment/) {
88: my ($checkout,$com)=split(/\s*\#\s*/,$accesskeys{$_});
89: unless ($checkout) {
90: if ($checkonly) { next; }
91: } else {
92: if ($newonly) { next; }
93: }
94: unless ($csvlist) {
95: $r->print("\n<tr><td><tt>".$_.'</tt></td><td>'.($checkout?
96: $checkout:'-').'</td><td>'.
97: join('<br />',split(/\s*\;\s*/,$com)).
98: '</td><td><input type="text" size="40" name="com_'.$_.
99: '" value="" /></td></tr>');
100: } else {
101: my @line = ();
102: push @line,&Apache::loncommon::csv_translate($_);
103: push @line,&Apache::loncommon::csv_translate($checkout);
104: foreach (split(/\s*\;\s*/,$com)) {
105: push @line,&Apache::loncommon::csv_translate($_);
106: }
107: my $tmp = $";
108: $" = '","';
109: $r->print("\"@line\"\n");
110: $" = $tmp;
111: }
112: }
113: }
114: unless ($csvlist) {
115: $r->print('</table>');
116: $r->print('<input type="submit" name="addcom" value="Add Above Comments to Keys" /><hr />');
117: }
118: return '';
119: }
120:
121:
122: # ----------------------------------------------------------- Toggle Key Access
123:
124: sub togglekeyaccess {
125: my %cenv=@_;
126: unless ($cenv{'domain'}) { return; }
127: if ($cenv{'keyaccess'} eq 'yes') {
128: return 'Removing key access: '.
129: &Apache::lonnet::del('environment',['keyaccess'],
130: $cenv{'domain'},$cenv{'num'});
131: } else {
132: return 'Establishing key access: '.
133: &Apache::lonnet::put('environment',{'keyaccess' => 'yes'},
134: $cenv{'domain'},$cenv{'num'});
135: }
136: }
137:
138: # --------------------------------------------------------------- Generate Keys
139:
140: sub genkeys {
141: my ($num,$comments,%cenv)=@_;
142: unless ($comments) { $comments=''; }
143: $comments=~s/\#/ /g;
144: $comments=~s/\;/ /g;
145: unless ($num) { return 'No number of keys given.'; }
146: unless (($num=~/^\d+$/) && ($num>0)) {
147: return 'Invalid number of keys given.';
148: }
149: my $batchnumber='BATCH_'.time().'_'.$$;
150: return 'Generated '.&Apache::lonnet::generate_access_keys
151: ($num,$cenv{'domain'},$cenv{'num'},$batchnumber.'; '.$comments).' of '.
152: $num.' access keys (Batch Number: '.$batchnumber.')',$batchnumber;
153: }
154:
155: # ---------------------------------------------------------------- Add comments
156:
157: sub addcom {
158: my %cenv=@_;
159: my %newcomment=();
160: undef %newcomment;
161: foreach (keys %ENV) {
162: if ($_=~/^form\.com\_(.+)$/) {
163: my $key=$1;
164: my $comment=$ENV{$_};
165: $comment=~s/^\s+//gs;
166: if ($comment) {
167: &Apache::lonnet::comment_access_key
168: ($key,$cenv{'domain'},$cenv{'num'},$comment);
169: }
170: }
171: }
172: return '';
173: }
174: ###################################################################
175: ###################################################################
176: sub handler {
177: my $r=shift;
178: if ($r->header_only) {
179: &Apache::loncommon::content_type($r,'text/html');
180: $r->send_http_header;
181: return OK;
182: }
183: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
184: ['state','cid']);
185: if (($ENV{'form.domain'}) && ($ENV{'form.course'})) {
186: $ENV{'form.cid'}=$ENV{'form.domain'}.'_'.$ENV{'form.course'};
187: }
188:
189: unless (&Apache::lonnet::allowed('mky',$ENV{'request.role.domain'})) {
190: $ENV{'user.error.msg'}=
191: "/adm/managekeys:mky:0:0:Cannot manage access keys";
192: return HTTP_NOT_ACCEPTABLE;
193: }
194: if ($ENV{'form.cid'}) {
195: my %cenv=&Apache::lonnet::coursedescription($ENV{'form.cid'});
196: my $keytype='';
197: if ($cenv{'url'} eq '/res/') {
198: ($cenv{'domain'},$cenv{'num'})=split(/\_/,$ENV{'form.cid'});
199: $keytype='auth';
200: } elsif ($cenv{'keyauth'}) {
201: ($cenv{'num'},$cenv{'domain'})=split(/\W/,$cenv{'keyauth'});
202: $keytype='auth';
203: } else {
204: $keytype='course';
205: }
206: if ($ENV{'form.listkeyscsv'}) {
207: #
208: # CSV Output
209: #
210: $r->content_type('text/csv');
211: $r->send_http_header;
212: #
213: # Do CSV
214: #
215: &show_key_list($r,1,$ENV{'form.listcom'},
216: $ENV{'form.newonly'},$ENV{'form.checkonly'},%cenv);
217:
218: } else {
219: #
220: # Normal web stuff
221: #
222: &Apache::loncommon::content_type($r,'text/html');
223: $r->send_http_header;
224: $r->print(&header());
225:
226: $r->print(
227: '<input type="hidden" name="cid" value="'.$ENV{'form.cid'}.'" />');
228: # --- Actions
229: if ($ENV{'form.toggle'}) {
230: $r->print(&togglekeyaccess(%cenv).'<br />');
231: %cenv=&Apache::lonnet::coursedescription($ENV{'form.cid'});
232: }
233: my $batchnumber='';
234: if ($ENV{'form.genkeys'}) {
235: (my $msg,$batchnumber)=
236: &genkeys($ENV{'form.num'},$ENV{'form.comments'},%cenv);
237: $r->print($msg.'<br />');
238: }
239: if ($ENV{'form.listkeys'}) {
240: &show_key_list($r,0,$ENV{'form.listcom'},
241: $ENV{'form.newonly'},$ENV{'form.checkonly'},%cenv);
242: }
243: if ($ENV{'form.addcom'}) {
244: &addcom(%cenv);
245: }
246: # --- Menu
247: if ($keytype eq 'course') {
248: $r->print('<h3>'.&mt('Key Access').'</h3>');
249: if ($cenv{'keyaccess'} eq 'yes') {
250: $r->print(&mt('Access to this course is key controlled.').
251: '<br /><input type="submit" name="toggle" value="'.&mt('Open Access').'" />')
252: } else {
253: $r->print(&mt('Access to this course is open, no access keys').'<br /><input type="submit" name="toggle" value="'.&mt('Control Access').'" />');
254: }
255: } else {
256: $r->print('<h3>'.&mt('Key Authority').
257: ' <tt>'.$cenv{'num'}.'@'.$cenv{'domain'}.'</tt></h3>');
258: }
259: $r->print(<<ENDKEYMENU);
260: <hr /><h3>Generate New Keys</h3>
261: Number of keys to be generated: <input type="text" name="num" size="6" /><br />
262: Comments/Remarks/Notes: <input type="text" name="comments" size="30" /><br />
263: <input type="submit" name="genkeys" value="Generate Keys" />
264: <hr /><h3>List Keys</h3>
265: Comments/Remarks/Notes/User/Batch Number Filter:
266: <input type="text" name="listcom" size="30" value="$batchnumber" /><br />
267: <input type="checkbox" name="newonly" /> Unused keys only<br />
268: <input type="checkbox" name="checkonly" /> Used keys only<br />
269: <input type="submit" name="listkeys" value="List Keys/Add Comments" />
270: <input type="submit" name="listkeyscsv" value="CSV List of Keys" />
271: ENDKEYMENU
272: $r->print('</form></body></html>');
273: }
274: } else {
275: # Start page no course id
276: &Apache::loncommon::content_type($r,'text/html');
277: $r->send_http_header;
278: $r->print(&header().&Apache::loncommon::coursebrowser_javascript());
279: $r->print(
280: &mt('Course ID of Key Authority').': <input input type="text" size="25" name="course" value="" />');
281: $r->print(&mt('Domain').': '.&Apache::loncommon::select_dom_form(
282: $ENV{'request.role.domain'},'domain'));
283: $r->print(&Apache::loncommon::selectcourse_link(
284: 'keyform','course','domain'));
285: $r->print('<br /><input type="submit" value="'.&mt('Manage Access Keys').'" />');
286: $r->print('</form></body></html>');
287: }
288: return OK;
289: }
290:
291: ###################################################################
292: ###################################################################
293:
294: 1;
295: __END__
296:
297:
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