Annotation of loncom/publisher/lonrights.pm, revision 1.23
1.1 www 1: # The LearningOnline Network with CAPA
2: # Handler to show and edit custom distribution rights
3: #
1.23 ! albertel 4: # $Id: lonrights.pm,v 1.22 2007/05/02 01:34:23 albertel Exp $
1.1 www 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::lonrights;
32:
33: use strict;
34: use Apache::Constants qw(:common :http);
1.17 albertel 35: use Apache::lonnet;
1.1 www 36: use Apache::loncommon();
1.2 www 37: use HTML::LCParser;
38: use Apache::File;
1.10 www 39: use Apache::lonlocal;
1.1 www 40:
41: sub handler {
42:
43: my $r=shift;
1.17 albertel 44: my $target = $env{'form.grade_target'};
1.13 albertel 45: if ($target eq 'meta') {
46: &Apache::loncommon::content_type($r,'text/html');
47: $r->send_http_header;
1.17 albertel 48: $env{'request.uri'}=$r->uri;
1.13 albertel 49: my $file = &Apache::lonnet::filelocation("",$r->uri);
50: my $content=&Apache::lonnet::getfile($file);
51: my $result=&Apache::lonxml::xmlparse(undef,'meta',$content);
52: $r->print($result);
53: return OK;
54: }
1.10 www 55: &Apache::loncommon::content_type($r,'text/html');
1.1 www 56: $r->send_http_header;
57:
1.23 ! albertel 58: my $js = &Apache::loncommon::coursebrowser_javascript().
! 59: &Apache::loncommon::studentbrowser_javascript();
1.18 albertel 60: $r->print(&Apache::loncommon::start_page('Custom Distribution Rights',$js));
1.5 www 61: $r->rflush();
1.1 www 62:
1.2 www 63: my $uri=$r->uri;
64: my $fn=&Apache::lonnet::filelocation('',$uri);
65: my $contents='';
66: my $constructmode=($uri=~/^\/\~/);
1.5 www 67:
68: # ============================================================ Modify and store
1.23 ! albertel 69: if ($constructmode && $env{'form.store'}) {
! 70:
! 71: my @newrules;
! 72:
1.5 www 73: # read rules from form
1.23 ! albertel 74: foreach my $key (keys(%env)) {
! 75: next if ($key!~/^form\.effect\_(\d+)$/);
! 76: my $number=$1;
! 77: my %rulehash;
! 78: foreach my $action ('effect','type','domain','course','section','role') {
! 79: $rulehash{$action}=$env{'form.'.$action.'_'.$number};
! 80: }
! 81: if ($rulehash{'type'} !~ /^(user|course)$/) {
! 82: $rulehash{'type'} = 'course';
! 83: }
! 84: if ($rulehash{'type'} eq 'user') {
! 85: $rulehash{'section'}='';
! 86: $rulehash{'role'}='';
! 87: }
! 88: if ($rulehash{'role'} eq 'au') {
! 89: $rulehash{'course'}='';
! 90: $rulehash{'section'}='';
! 91: }
! 92: if ($rulehash{'role'} eq 'cc') {
! 93: $rulehash{'section'}='';
! 94: }
! 95: unless (($rulehash{'effect'} eq 'deny') ||
! 96: ($rulehash{'effect'} eq 'allow')) {
! 97: $rulehash{'effect'}='deny';
! 98: }
! 99: $rulehash{'domain'} =
! 100: &LONCAPA::clean_domain($rulehash{'domain'});
! 101: if ($rulehash{'type'} eq 'course') {
! 102: $rulehash{'course'} =
! 103: &LONCAPA::clean_courseid($rulehash{'course'});
! 104: } else {
! 105: $rulehash{'course'} =
! 106: &LONCAPA::clean_username($rulehash{'course'});
! 107: }
! 108: $rulehash{'section'}=~s/\W//g;
! 109: if (!$rulehash{'domain'}) {
! 110: $rulehash{'domain'}=$env{'user.domain'};
! 111: }
! 112: my $realm='';
! 113: if ($number) {
! 114: $realm=$rulehash{'domain'};
! 115: if ($rulehash{'course'}) {
! 116: $realm.='_'.$rulehash{'course'};
! 117: }
! 118: if ($rulehash{'section'}) {
! 119: $realm.='_'.$rulehash{'section'};
! 120: }
! 121: }
! 122: $newrules[$number]=$rulehash{'effect'}.':'.
! 123: $realm.':'.$rulehash{'role'}.':'.$rulehash{'type'};
! 124: }
1.5 www 125: # edit actions?
1.23 ! albertel 126: foreach my $key (keys(%env)) {
! 127: next if ($key!~/^form\.action\_(\d+)$/);
! 128: my $number=$1;
! 129: if ($env{$key} eq 'delete') { $newrules[$number]=''; }
! 130: if (($env{$key} eq 'moveup') && ($number>1)) {
! 131: my $buffer=$newrules[$number];
! 132: $newrules[$number]=$newrules[$number-1];
! 133: $newrules[$number-1]=$buffer;
! 134: }
! 135: if (($env{$key} eq 'movedown') && ($number<$#newrules)) {
! 136: my $buffer=$newrules[$number];
! 137: $newrules[$number]=$newrules[$number+1];
! 138: $newrules[$number+1]=$buffer;
! 139: }
! 140: if ($env{$key} eq 'insertabove') {
! 141: for (my $i=$#newrules;$i>=$number;$i--) {
! 142: $newrules[$i+1]=$newrules[$i];
1.6 www 143: }
1.23 ! albertel 144: $newrules[$number]='deny';
! 145: }
! 146: if ($env{$key} eq 'insertbelow') {
! 147: for (my $i=$#newrules;$i>$number;$i--) {
! 148: $newrules[$i+1]=$newrules[$i];
! 149: }
! 150: $newrules[$number+1]='deny';
! 151: }
! 152: }
! 153:
1.5 www 154: # store file
1.23 ! albertel 155: my $fh=Apache::File->new('>'.$fn);
! 156: foreach (my $i=0;$i<=$#newrules;$i++) {
! 157: if ($newrules[$i]) {
! 158: my ($effect,$realm,$role,$type)=split(/\:/,$newrules[$i]);
! 159: print $fh
! 160: "<accessrule effect='$effect' realm='$realm' role='$role' type='$type' />\n";
! 161: }
1.5 www 162: }
1.23 ! albertel 163: $fh->close;
1.5 www 164: }
165: # ============================================================ Read and display
1.2 www 166: unless ($constructmode) {
167: # =========================================== This is not in construction space
168: $contents=&Apache::lonnet::getfile($fn);
169: if ($contents==-1) { $contents=''; }
170: } else {
171: # =============================================== This is in construction space
172: if (-e $fn) {
173: my $fh=Apache::File->new($fn);
174: $contents=join('',<$fh>);
175: $fh->close();
176: }
1.8 www 177: $r->print('<form name="rules" method="post">');
1.2 www 178: }
1.5 www 179: unless ($contents=~/\<accessrule/s) {
180: $contents='<accessrule effect="deny" />';
181: }
1.2 www 182: my $parser=HTML::LCParser->new(\$contents);
183: my $token;
1.3 www 184: my $rulecounter=0;
1.10 www 185: my $colzero=&mt($constructmode?'Edit action':'Rule');
1.11 albertel 186: my %lt=&Apache::lonlocal::texthash('ef' => 'Effect',
187: 'do' => 'Domain',
188: 'co' => 'Course',
1.20 raeburn 189: 'se' => 'Section',
1.15 www 190: 'ro' => 'Role');
1.3 www 191: # ---------------------------------------------------------- Start table output
1.23 ! albertel 192: $r->print(&Apache::loncommon::start_data_table().
! 193: &Apache::loncommon::start_data_table_header_row().
! 194: "<th>$colzero</th><th>$lt{'ef'}</th><th>Type</th><th>$lt{'do'}</th>".
! 195: "<th>$lt{'co'}</th><th>$lt{'se'}</th><th>$lt{'ro'}</th>".
! 196: &Apache::loncommon::end_data_table_header_row());
1.3 www 197: # --------------------------------------------------------------------- Default
198: # Fast forward to first rule
199: $token=$parser->get_token;
200: while ($token->[1] ne 'accessrule') { $token=$parser->get_token; }
201: # print default
1.23 ! albertel 202: $r->print(&Apache::loncommon::start_data_table_row().'<td align="right">');
1.6 www 203: if ($constructmode) {
204: $r->print(&Apache::loncommon::select_form('','action_0',
1.7 www 205: ('' => '',
206: 'insertbelow' => 'Insert rule below ')));
1.6 www 207:
208: } else {
209: $r->print(' ');
210: }
211: $r->print('</td><td>');
1.3 www 212: if ($constructmode) {
213: $r->print(&Apache::loncommon::select_form
214: ($token->[2]->{'effect'},'effect_0',
215: ('allow' => 'allow',
216: 'deny' => 'deny')));
217: } else {
218: $r->print($token->[2]->{'effect'});
219: }
1.23 ! albertel 220: $r->print('</td><td colspan="5">'.&mt('Default'));
1.3 www 221: if (($token->[2]->{'realm'}) || ($token->[2]->{'role'})) {
1.23 ! albertel 222: $r->print(' - <span class="LC_error">'.&mt('Error! No default set.').
! 223: '</span>');
1.3 www 224: }
1.23 ! albertel 225: $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1.3 www 226: # Additional roles
1.2 www 227: while ($token=$parser->get_token) {
228: if (($token->[0] eq 'S') && ($token->[1] eq 'accessrule')) {
1.3 www 229: $rulecounter++;
1.23 ! albertel 230: $r->print(&Apache::loncommon::start_data_table_row().
! 231: '<td align="right" rowspan="2">');
1.4 www 232: # insert, delete, etc
1.23 ! albertel 233: $r->print('<span class="LC_nobreak">'.$rulecounter.'. ');
1.4 www 234: if ($constructmode) {
235: $r->print(&Apache::loncommon::select_form(
236: '','action_'.$rulecounter,
237: ('' => '',
238: 'delete' => 'Delete this rule',
239: 'insertabove' => 'Insert rule above',
1.7 www 240: 'insertbelow' => 'Insert rule below ',
1.4 www 241: 'moveup' => 'Move rule up',
242: 'movedown' => 'Move rule down')));
243: }
1.23 ! albertel 244: $r->print('</span></td>'.
! 245: '<td rowspan="2">');
1.3 www 246: # effect
247: if ($constructmode) {
248: $r->print(&Apache::loncommon::select_form
249: ($token->[2]->{'effect'},
250: 'effect_'.$rulecounter,
251: ('allow' => 'allow',
252: 'deny' => 'deny')));
253: } else {
254: $r->print($token->[2]->{'effect'});
255: }
1.23 ! albertel 256:
! 257: # type
! 258: $r->print('</td><td rowspan="2">');
! 259: my $type = ($token->[2]{'type'} || 'course');
! 260: if ($constructmode) {
! 261: $r->print(&Apache::loncommon::select_form($type,
! 262: 'type_'.$rulecounter,
! 263: ('course' => 'Course',
! 264: 'user' => 'User')));
! 265: } else {
! 266: $r->print($type);
! 267: }
! 268:
1.4 www 269: # ---- realm
1.3 www 270: my $realm=$token->[2]->{'realm'};
1.4 www 271: my ($rdom,$rcourse,$rsec)=split(/[\/\_]/,$realm);
1.21 albertel 272: $rdom = &LONCAPA::clean_domain($rdom);
1.23 ! albertel 273: if ($type eq 'course') {
! 274: $rcourse = &LONCAPA::clean_courseid($rcourse);
! 275: } else {
! 276: $rcourse = &LONCAPA::clean_username($rcourse);
! 277: }
! 278:
! 279:
! 280: $r->print('</td><td>');
1.7 www 281: # realm domain
1.3 www 282: if ($constructmode) {
1.17 albertel 283: unless ($rdom) { $rdom=$env{'user.domain'}; }
1.3 www 284: $r->print(&Apache::loncommon::select_dom_form($rdom,
285: 'domain_'.$rulecounter));
286: } else {
1.4 www 287: $r->print($rdom);
288: }
289: $r->print('</td><td>');
290: # realm course
291: if ($constructmode) {
1.23 ! albertel 292: $r->print('<input type="text" size="25" name="course_'.
1.4 www 293: $rulecounter.'" value="'.$rcourse.'" />');
294: } else {
295: $r->print($rcourse);
1.3 www 296: }
1.4 www 297:
1.23 ! albertel 298: $r->print('</td><td rowspan="2">');
1.4 www 299: # realm section
1.23 ! albertel 300: if ($type eq 'course') {
! 301: if ($constructmode) {
! 302: $r->print('<input type="text" size="5" name="section_'.
! 303: $rulecounter.'" value="'.$rsec.'" />');
! 304: } else {
! 305: $r->print($rsec);
! 306: }
! 307: }
1.4 www 308:
1.8 www 309: $r->print('</td><td rowspan="2">');
1.3 www 310: # role
1.23 ! albertel 311: if ($type eq 'course') {
! 312: if ($constructmode) {
! 313: my %hash=('' => '');
! 314: foreach ('au','cc','in','ta','st') {
! 315: $hash{$_}=&Apache::lonnet::plaintext($_);
! 316: }
! 317: my $role=$token->[2]->{'role'};
! 318: unless ($role) { $role=''; }
! 319: $r->print(&Apache::loncommon::select_form(
! 320: $role,'role_'.$rulecounter,%hash));
! 321: } else {
! 322: $r->print(&Apache::lonnet::plaintext($token->[2]->{'role'}));
! 323: }
! 324: }
1.8 www 325: # course selection link
1.23 ! albertel 326: $r->print('</td>'.
! 327: &Apache::loncommon::end_data_table_row().
! 328: &Apache::loncommon::continue_data_table_row().
! 329: '<td colspan="2" align="right">');
! 330: if ($type eq 'course') {
! 331: if ($rcourse) {
! 332: my %descript=
! 333: &Apache::lonnet::coursedescription($rdom.'_'.$rcourse,
! 334: {'one_time' => 1});
! 335: $r->print($descript{'description'}.' ');
! 336: }
! 337: if ($constructmode) {
! 338: $r->print(&Apache::loncommon::selectcourse_link('rules',
! 339: 'course_'.$rulecounter,'domain_'.$rulecounter));
! 340: }
! 341: } else {
! 342: if ($rcourse) {
! 343: my $name = &Apache::loncommon::plainname($rcourse,$rdom);
! 344: $r->print($name.' ');
! 345: }
! 346: if ($constructmode) {
! 347: $r->print(&Apache::loncommon::selectstudent_link('rules','course_'.$rulecounter,'domain_'.$rulecounter));
! 348: }
1.12 albertel 349: }
1.3 www 350: # close row
1.23 ! albertel 351: $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1.2 www 352: }
1.3 www 353: }
1.23 ! albertel 354: $r->print(&Apache::loncommon::end_data_table());
1.3 www 355: # ------------------------------------------------------------ End table output
356: if ($constructmode) {
1.22 albertel 357: $r->print('<input type="submit" name="store" value="'.&mt('Save').'" /></form>');
1.2 www 358: }
1.18 albertel 359: $r->print(&Apache::loncommon::end_page());
1.1 www 360: return OK;
361: }
362:
363:
364: 1;
365: __END__
366:
367:
368:
369:
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