xref: /dokuwiki/lib/plugins/acl/admin.php (revision 0ef438155a581b3c16f9997eb4d446d5abd3e59e) 
1<?php
2/**
3 * ACL administration functions
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 * @author     Anika Henke <anika@selfthinker.org> (concepts)
8 * @author     Frank Schubert <frank@schokilade.de> (old version)
9 */
10// must be run within Dokuwiki
11if(!defined('DOKU_INC')) die();
12
13if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
14require_once(DOKU_PLUGIN.'admin.php');
15
16/**
17 * All DokuWiki plugins to extend the admin function
18 * need to inherit from this class
19 */
20class admin_plugin_acl extends DokuWiki_Admin_Plugin {
21    var $acl = null;
22    var $ns  = null;
23    var $who = '';
24    var $usersgroups = array();
25    var $specials = array();
26
27    /**
28     * return some info
29     */
30    function getInfo(){
31        return array(
32            'author' => 'Andreas Gohr',
33            'email'  => 'andi@splitbrain.org',
34            'date'   => '2008-12-16',
35            'name'   => 'ACL',
36            'desc'   => 'Manage Page Access Control Lists',
37            'url'    => 'http://dokuwiki.org/plugin:acl',
38        );
39    }
40
41    /**
42     * return prompt for admin menu
43     */
44    function getMenuText($language) {
45        return $this->getLang('admin_acl');
46    }
47
48    /**
49     * return sort order for position in admin menu
50     */
51    function getMenuSort() {
52        return 1;
53    }
54
55    /**
56     * handle user request
57     *
58     * Initializes internal vars and handles modifications
59     *
60     * @author Andreas Gohr <andi@splitbrain.org>
61     */
62    function handle() {
63        global $AUTH_ACL;
64        global $ID;
65
66        // namespace given?
67        if($_REQUEST['ns'] == '*'){
68            $this->ns = '*';
69        }else{
70            $this->ns = cleanID($_REQUEST['ns']);
71        }
72
73        // user or group choosen?
74        $who = trim($_REQUEST['acl_w']);
75        if($_REQUEST['acl_t'] == '__g__' && $who){
76            $this->who = '@'.ltrim($who,'@');
77        }elseif($_REQUEST['acl_t'] == '__u__' && $who){
78            $this->who = ltrim($who,'@');
79        }elseif($_REQUEST['acl_t'] &&
80                $_REQUEST['acl_t'] != '__u__' &&
81                $_REQUEST['acl_t'] != '__g__'){
82            $this->who = $_REQUEST['acl_t'];
83        }elseif($who){
84            $this->who = $who;
85        }
86
87        // handle modifications
88        if(isset($_REQUEST['cmd'])){
89            // scope for modifications
90            if($this->ns){
91                if($this->ns == '*'){
92                    $scope = '*';
93                }else{
94                    $scope = $this->ns.':*';
95                }
96            }else{
97                $scope = $ID;
98            }
99
100            if(isset($_REQUEST['cmd']['save']) && $scope && $this->who && isset($_REQUEST['acl'])){
101                // handle additions or single modifications
102                $this->_acl_del($scope, $this->who);
103                $this->_acl_add($scope, $this->who, (int) $_REQUEST['acl']);
104            }elseif(isset($_REQUEST['cmd']['del']) && $scope && $this->who){
105                // handle single deletions
106                $this->_acl_del($scope, $this->who);
107            }elseif(isset($_REQUEST['cmd']['update'])){
108                // handle update of the whole file
109                foreach((array) $_REQUEST['del'] as $where => $who){
110                    // remove all rules marked for deletion
111                    unset($_REQUEST['acl'][$where][$who]);
112                }
113                // prepare lines
114                $lines = array();
115                // keep header
116                foreach($AUTH_ACL as $line){
117                    if($line{0} == '#'){
118                        $lines[] = $line;
119                    }else{
120                        break;
121                    }
122                }
123                // re-add all rules
124                foreach((array) $_REQUEST['acl'] as $where => $opt){
125                    foreach($opt as $who => $perm){
126                        $who = auth_nameencode($who,true);
127                        $lines[] = "$where\t$who\t$perm\n";
128                    }
129                }
130                // save it
131                io_saveFile(DOKU_CONF.'acl.auth.php', join('',$lines));
132            }
133
134            // reload ACL config
135            $AUTH_ACL = file(DOKU_CONF.'acl.auth.php');
136        }
137
138        // initialize ACL array
139        $this->_init_acl_config();
140    }
141
142    /**
143     * ACL Output function
144     *
145     * print a table with all significant permissions for the
146     * current id
147     *
148     * @author  Frank Schubert <frank@schokilade.de>
149     * @author  Andreas Gohr <andi@splitbrain.org>
150     */
151    function html() {
152        global $ID;
153
154        echo '<div id="acl_manager">'.NL;
155        echo '<h1>'.$this->getLang('admin_acl').'</h1>'.NL;
156        echo '<div class="level1">'.NL;
157
158        echo '<div id="acl__tree">'.NL;
159        $this->_html_explorer($_REQUEST['ns']);
160        echo '</div>'.NL;
161
162        echo '<div id="acl__detail">'.NL;
163        $this->_html_detail();
164        echo '</div>'.NL;
165        echo '</div>'.NL;
166
167        echo '<div class="clearer"></div>';
168        echo '<h2>'.$this->getLang('current').'</h2>'.NL;
169        echo '<div class="level2">'.NL;
170        $this->_html_table();
171        echo '</div>'.NL;
172
173        echo '<div class="footnotes"><div class="fn">'.NL;
174        echo '<sup><a id="fn__1" class="fn_bot" name="fn__1" href="#fnt__1">1)</a></sup>'.NL;
175        echo $this->getLang('p_include');
176        echo '</div></div>';
177
178        echo '</div>'.NL;
179    }
180
181    /**
182     * returns array with set options for building links
183     *
184     * @author Andreas Gohr <andi@splitbrain.org>
185     */
186    function _get_opts($addopts=null){
187        global $ID;
188        $opts = array(
189                    'do'=>'admin',
190                    'page'=>'acl',
191                );
192        if($this->ns) $opts['ns'] = $this->ns;
193        if($this->who) $opts['acl_w'] = $this->who;
194
195        if(is_null($addopts)) return $opts;
196        return array_merge($opts, $addopts);
197    }
198
199    /**
200     * Display a tree menu to select a page or namespace
201     *
202     * @author Andreas Gohr <andi@splitbrain.org>
203     */
204    function _html_explorer(){
205        require_once(DOKU_INC.'inc/search.php');
206        global $conf;
207        global $ID;
208        global $lang;
209
210        $dir = $conf['datadir'];
211        $ns  = $this->ns;
212        if(empty($ns)){
213            $ns = dirname(str_replace(':','/',$ID));
214            if($ns == '.') $ns ='';
215        }elseif($ns == '*'){
216            $ns ='';
217        }
218        $ns  = utf8_encodeFN(str_replace(':','/',$ns));
219
220
221        $data = array();
222        search($data,$conf['datadir'],'search_index',array('ns' => $ns));
223
224
225        // wrap a list with the root level around the other namespaces
226        $item = array( 'level' => 0, 'id' => '*', 'type' => 'd',
227                   'open' =>'true', 'label' => '['.$lang['mediaroot'].']');
228
229        echo '<ul class="acltree">';
230        echo $this->_html_li_acl($item);
231        echo '<div class="li">';
232        echo $this->_html_list_acl($item);
233        echo '</div>';
234        echo html_buildlist($data,'acl',
235                            array($this,'_html_list_acl'),
236                            array($this,'_html_li_acl'));
237        echo '</li>';
238        echo '</ul>';
239
240    }
241
242    /**
243     * Display the current ACL for selected where/who combination with
244     * selectors and modification form
245     *
246     * @author Andreas Gohr <andi@splitbrain.org>
247     */
248    function _html_detail(){
249        global $conf;
250        global $ID;
251
252        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
253
254        echo '<div id="acl__user">';
255        echo $this->getLang('acl_perms').' ';
256        $inl =  $this->_html_select();
257        echo '<input type="text" name="acl_w" class="edit" value="'.(($inl)?'':hsc(ltrim($this->who,'@'))).'" />'.NL;
258        echo '<input type="submit" value="'.$this->getLang('btn_select').'" class="button" />'.NL;
259        echo '</div>'.NL;
260
261        echo '<div id="acl__info">';
262        $this->_html_info();
263        echo '</div>';
264
265        echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
266        echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
267        echo '<input type="hidden" name="do" value="admin" />'.NL;
268        echo '<input type="hidden" name="page" value="acl" />'.NL;
269        echo '</div></form>'.NL;
270    }
271
272    /**
273     * Print infos and editor
274     */
275    function _html_info(){
276        global $ID;
277
278        if($this->who){
279            $current = $this->_get_exact_perm();
280
281            // explain current permissions
282            $this->_html_explain($current);
283            // load editor
284            $this->_html_acleditor($current);
285        }else{
286            echo '<p>';
287            if($this->ns){
288                printf($this->getLang('p_choose_ns'),hsc($this->ns));
289            }else{
290                printf($this->getLang('p_choose_id'),hsc($ID));
291            }
292            echo '</p>';
293
294            echo $this->locale_xhtml('help');
295        }
296    }
297
298    /**
299     * Display the ACL editor
300     *
301     * @author Andreas Gohr <andi@splitbrain.org>
302     */
303    function _html_acleditor($current){
304        global $lang;
305
306        echo '<fieldset>';
307        if(is_null($current)){
308            echo '<legend>'.$this->getLang('acl_new').'</legend>';
309        }else{
310            echo '<legend>'.$this->getLang('acl_mod').'</legend>';
311        }
312
313
314        echo $this->_html_checkboxes($current,empty($this->ns),'acl');
315
316        if(is_null($current)){
317            echo '<input type="submit" name="cmd[save]" class="button" value="'.$lang['btn_save'].'" />'.NL;
318        }else{
319            echo '<input type="submit" name="cmd[save]" class="button" value="'.$lang['btn_update'].'" />'.NL;
320            echo '<input type="submit" name="cmd[del]" class="button" value="'.$lang['btn_delete'].'" />'.NL;
321        }
322
323        echo '</fieldset>';
324    }
325
326    /**
327     * Explain the currently set permissions in plain english/$lang
328     *
329     * @author Andreas Gohr <andi@splitbrain.org>
330     */
331    function _html_explain($current){
332        global $ID;
333        global $auth;
334
335        $who = $this->who;
336        $ns  = $this->ns;
337
338        // prepare where to check
339        if($ns){
340            if($ns == '*'){
341                $check='*';
342            }else{
343                $check=$ns.':*';
344            }
345        }else{
346            $check = $ID;
347        }
348
349        // prepare who to check
350        if($who{0} == '@'){
351            $user   = '';
352            $groups = array(ltrim($who,'@'));
353        }else{
354            $user = auth_nameencode($who);
355            $info = $auth->getUserData($user);
356            if($info === false){
357                $groups = array();
358            }else{
359                $groups = $info['groups'];
360            }
361        }
362
363        // check the permissions
364        $perm = auth_aclcheck($check,$user,$groups);
365
366        // build array of named permissions
367        $names = array();
368        if($perm){
369            if($ns){
370                if($perm >= AUTH_DELETE) $names[] = $this->getLang('acl_perm16');
371                if($perm >= AUTH_UPLOAD) $names[] = $this->getLang('acl_perm8');
372                if($perm >= AUTH_CREATE) $names[] = $this->getLang('acl_perm4');
373            }
374            if($perm >= AUTH_EDIT) $names[] = $this->getLang('acl_perm2');
375            if($perm >= AUTH_READ) $names[] = $this->getLang('acl_perm1');
376            $names = array_reverse($names);
377        }else{
378            $names[] = $this->getLang('acl_perm0');
379        }
380
381        // print permission explanation
382        echo '<p>';
383        if($user){
384            if($ns){
385                printf($this->getLang('p_user_ns'),hsc($who),hsc($ns),join(', ',$names));
386            }else{
387                printf($this->getLang('p_user_id'),hsc($who),hsc($ID),join(', ',$names));
388            }
389        }else{
390            if($ns){
391                printf($this->getLang('p_group_ns'),hsc(ltrim($who,'@')),hsc($ns),join(', ',$names));
392            }else{
393                printf($this->getLang('p_group_id'),hsc(ltrim($who,'@')),hsc($ID),join(', ',$names));
394            }
395        }
396        echo '</p>';
397
398        // add note if admin
399        if($perm == AUTH_ADMIN){
400            echo '<p>'.$this->getLang('p_isadmin').'</p>';
401        }elseif(is_null($current)){
402            echo '<p>'.$this->getLang('p_inherited').'</p>';
403        }
404    }
405
406
407    /**
408     * Item formatter for the tree view
409     *
410     * User function for html_buildlist()
411     *
412     * @author Andreas Gohr <andi@splitbrain.org>
413     */
414    function _html_list_acl($item){
415        global $ID;
416        $ret = '';
417        // what to display
418        if($item['label']){
419            $base = $item['label'];
420        }else{
421            $base = ':'.$item['id'];
422            $base = substr($base,strrpos($base,':')+1);
423        }
424
425        // highlight?
426        if(($item['type']=='d' &&
427            $item['id'] == $this->ns) ||
428            $item['id'] == $ID) $cl = ' cur';
429
430        // namespace or page?
431        if($item['type']=='d'){
432            if($item['open']){
433                $img   = DOKU_BASE.'lib/images/minus.gif';
434                $alt   = '&minus;';
435            }else{
436                $img   = DOKU_BASE.'lib/images/plus.gif';
437                $alt   = '+';
438            }
439            $ret .= '<img src="'.$img.'" alt="'.$alt.'" />';
440            $ret .= '<a href="'.wl('',$this->_get_opts(array('ns'=>$item['id']))).'" class="idx_dir'.$cl.'">';
441            $ret .= $base;
442            $ret .= '</a>';
443        }else{
444            $ret .= '<a href="'.wl('',$this->_get_opts(array('id'=>$item['id'],'ns'=>''))).'" class="wikilink1'.$cl.'">';
445            $ret .= noNS($item['id']);
446            $ret .= '</a>';
447        }
448        return $ret;
449    }
450
451
452    function _html_li_acl($item){
453            return '<li class="level'.$item['level'].'">';
454    }
455
456
457    /**
458     * Get current ACL settings as multidim array
459     *
460     * @author Andreas Gohr <andi@splitbrain.org>
461     */
462    function _init_acl_config(){
463        global $AUTH_ACL;
464        global $conf;
465        $acl_config=array();
466        $usersgroups = array();
467
468        // get special users and groups
469        $this->specials[] = '@ALL';
470        $this->specials[] = '@'.$conf['defaultgroup'];
471        if($conf['manager'] != '!!not set!!'){
472            $this->specials = array_merge($this->specials,
473                                          array_map('trim',
474                                                    explode(',',$conf['manager'])));
475        }
476        $this->specials = array_filter($this->specials);
477        $this->specials = array_unique($this->specials);
478        sort($this->specials);
479
480        foreach($AUTH_ACL as $line){
481            $line = trim(preg_replace('/#.*$/','',$line)); //ignore comments
482            if(!$line) continue;
483
484            $acl = preg_split('/\s+/',$line);
485            //0 is pagename, 1 is user, 2 is acl
486
487            $acl[1] = rawurldecode($acl[1]);
488            $acl_config[$acl[0]][$acl[1]] = $acl[2];
489
490            // store non-special users and groups for later selection dialog
491            $ug = $acl[1];
492            if(in_array($ug,$this->specials)) continue;
493            $usersgroups[] = $ug;
494        }
495
496        $usersgroups = array_unique($usersgroups);
497        sort($usersgroups);
498        uksort($acl_config,array($this,'_sort_names'));
499
500        $this->acl = $acl_config;
501        $this->usersgroups = $usersgroups;
502    }
503
504    /**
505     * Custom function to sort the ACLs by namespace names
506     *
507     * @todo This maybe could be improved to resemble the real tree structure?
508     */
509    function _sort_names($a,$b){
510        $ca = substr_count($a,':');
511        $cb = substr_count($b,':');
512        if($ca < $cb){
513            return -1;
514        }elseif($ca > $cb){
515            return 1;
516        }else{
517            return strcmp($a,$b);
518        }
519    }
520
521    /**
522     * Display all currently set permissions in a table
523     *
524     * @author Andreas Gohr <andi@splitbrain.org>
525     */
526    function _html_table(){
527        global $lang;
528        global $ID;
529
530        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
531        if($this->ns){
532            echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
533        }else{
534            echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
535        }
536        echo '<input type="hidden" name="acl_w" value="'.hsc($this->who).'" />'.NL;
537        echo '<input type="hidden" name="do" value="admin" />'.NL;
538        echo '<input type="hidden" name="page" value="acl" />'.NL;
539        echo '<table class="inline">';
540        echo '<tr>';
541        echo '<th>'.$this->getLang('where').'</th>';
542        echo '<th>'.$this->getLang('who').'</th>';
543        echo '<th>'.$this->getLang('perm').'<sup><a id="fnt__1" class="fn_top" name="fnt__1" href="#fn__1">1)</a></sup></th>';
544        echo '<th>'.$lang['btn_delete'].'</th>';
545        echo '</tr>';
546        foreach($this->acl as $where => $set){
547            foreach($set as $who => $perm){
548                echo '<tr>';
549                echo '<td>';
550                if(substr($where,-1) == '*'){
551                    echo '<span class="aclns">'.hsc($where).'</span>';
552                    $ispage = false;
553                }else{
554                    echo '<span class="aclpage">'.hsc($where).'</span>';
555                    $ispage = true;
556                }
557                echo '</td>';
558
559                echo '<td>';
560                if($who{0} == '@'){
561                    echo '<span class="aclgroup">'.hsc($who).'</span>';
562                }else{
563                    echo '<span class="acluser">'.hsc($who).'</span>';
564                }
565                echo '</td>';
566
567                echo '<td>';
568                echo $this->_html_checkboxes($perm,$ispage,'acl['.hsc($where).']['.hsc($who).']');
569                echo '</td>';
570
571                echo '<td align="center">';
572                echo '<input type="checkbox" name="del['.hsc($where).']" value="'.hsc($who).'" />';
573                echo '</td>';
574                echo '</tr>';
575            }
576        }
577
578        echo '<tr>';
579        echo '<th align="right" colspan="4">';
580        echo '<input type="submit" value="'.$lang['btn_update'].'" name="cmd[update]" class="button" />';
581        echo '</th>';
582        echo '</tr>';
583        echo '</table>';
584        echo '</div></form>'.NL;
585    }
586
587
588    /**
589     * Returns the permission which were set for exactly the given user/group
590     * and page/namespace. Returns null if no exact match is available
591     *
592     * @author Andreas Gohr <andi@splitbrain.org>
593     */
594    function _get_exact_perm(){
595        global $ID;
596        if($this->ns){
597            if($this->ns == '*'){
598                $check = '*';
599            }else{
600                $check = $this->ns.':*';
601            }
602        }else{
603            $check = $ID;
604        }
605
606        if(isset($this->acl[$check][$this->who])){
607            return $this->acl[$check][$this->who];
608        }else{
609            return null;
610        }
611    }
612
613    /**
614     * adds new acl-entry to conf/acl.auth.php
615     *
616     * @author  Frank Schubert <frank@schokilade.de>
617     */
618    function _acl_add($acl_scope, $acl_user, $acl_level){
619        $acl_config = file_get_contents(DOKU_CONF.'acl.auth.php');
620        $acl_user = auth_nameencode($acl_user,true);
621
622        // max level for pagenames is edit
623        if(strpos($acl_scope,'*') === false) {
624            if($acl_level > AUTH_EDIT) $acl_level = AUTH_EDIT;
625        }
626
627
628        $new_acl = "$acl_scope\t$acl_user\t$acl_level\n";
629
630        $new_config = $acl_config.$new_acl;
631
632        return io_saveFile(DOKU_CONF.'acl.auth.php', $new_config);
633    }
634
635    /**
636     * remove acl-entry from conf/acl.auth.php
637     *
638     * @author  Frank Schubert <frank@schokilade.de>
639     */
640    function _acl_del($acl_scope, $acl_user){
641        $acl_config = file(DOKU_CONF.'acl.auth.php');
642        $acl_user = auth_nameencode($acl_user,true);
643
644        $acl_pattern = '^'.preg_quote($acl_scope,'/').'\s+'.$acl_user.'\s+[0-8].*$';
645
646        // save all non!-matching
647        $new_config = preg_grep("/$acl_pattern/", $acl_config, PREG_GREP_INVERT);
648
649        return io_saveFile(DOKU_CONF.'acl.auth.php', join('',$new_config));
650    }
651
652    /**
653     * print the permission radio boxes
654     *
655     * @author  Frank Schubert <frank@schokilade.de>
656     * @author  Andreas Gohr <andi@splitbrain.org>
657     */
658    function _html_checkboxes($setperm,$ispage,$name){
659        global $lang;
660
661        static $label = 0; //number labels
662        $ret = '';
663
664        if($ispage && $setperm > AUTH_EDIT) $perm = AUTH_EDIT;
665
666        foreach(array(AUTH_NONE,AUTH_READ,AUTH_EDIT,AUTH_CREATE,AUTH_UPLOAD,AUTH_DELETE) as $perm){
667            $label += 1;
668
669            //general checkbox attributes
670            $atts = array( 'type'  => 'radio',
671                           'id'    => 'pbox'.$label,
672                           'name'  => $name,
673                           'value' => $perm );
674            //dynamic attributes
675            if(!is_null($setperm) && $setperm == $perm) $atts['checked']  = 'checked';
676            if($ispage && $perm > AUTH_EDIT){
677                $atts['disabled'] = 'disabled';
678                $class = ' class="disabled"';
679            }else{
680                $class = '';
681            }
682
683            //build code
684            $ret .= '<label for="pbox'.$label.'" title="'.$this->getLang('acl_perm'.$perm).'"'.$class.'>';
685            $ret .= '<input '.html_attbuild($atts).' />&nbsp;';
686            $ret .= $this->getLang('acl_perm'.$perm);
687            $ret .= '</label>'.NL;
688        }
689        return $ret;
690    }
691
692    /**
693     * Print a user/group selector (reusing already used users and groups)
694     *
695     * @author  Andreas Gohr <andi@splitbrain.org>
696     */
697    function _html_select(){
698        global $conf;
699        $inlist = false;
700
701        if($this->who &&
702           !in_array($this->who,$this->usersgroups) &&
703           !in_array($this->who,$specials)){
704
705            if($this->who{0} == '@'){
706                $gsel = ' selected="selected"';
707            }else{
708                $usel   = ' selected="selected"';
709            }
710        }else{
711            $usel = '';
712            $gsel = '';
713            $inlist = true;
714        }
715
716
717        echo '<select name="acl_t" class="edit">'.NL;
718        echo '  <option value="__g__" class="aclgroup"'.$gsel.'>'.$this->getLang('acl_group').':</option>'.NL;
719        echo '  <option value="__u__"  class="acluser"'.$usel.'>'.$this->getLang('acl_user').':</option>'.NL;
720        echo '  <optgroup label="&nbsp;">'.NL;
721        foreach($this->specials as $ug){
722            if($ug == $this->who){
723                $sel    = ' selected="selected"';
724                $inlist = true;
725            }else{
726                $sel = '';
727            }
728
729            if($ug{0} == '@'){
730                    echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
731            }else{
732                    echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
733            }
734        }
735        echo '  </optgroup>'.NL;
736        echo '  <optgroup label="&nbsp;">'.NL;
737        foreach($this->usersgroups as $ug){
738            if($ug == $this->who){
739                $sel    = ' selected="selected"';
740                $inlist = true;
741            }else{
742                $sel = '';
743            }
744
745            if($ug{0} == '@'){
746                    echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
747            }else{
748                    echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
749            }
750        }
751        echo '  </optgroup>'.NL;
752        echo '</select>'.NL;
753        return $inlist;
754    }
755}
756