xref: /dokuwiki/lib/plugins/acl/admin.php (revision ea8f310e8130739d45b5799e3ab59470d6415d28) 
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
13/**
14 * All DokuWiki plugins to extend the admin function
15 * need to inherit from this class
16 */
17class admin_plugin_acl extends DokuWiki_Admin_Plugin {
18    var $acl = null;
19    var $ns  = null;
20    /**
21     * The currently selected item, associative array with id and type.
22     * Populated from (in this order):
23     * $_REQUEST['current_ns']
24     * $_REQUEST['current_id']
25     * $ns
26     * $ID
27     */
28    var $current_item = null;
29    var $who = '';
30    var $usersgroups = array();
31    var $specials = array();
32
33    /**
34     * return prompt for admin menu
35     */
36    function getMenuText($language) {
37        return $this->getLang('admin_acl');
38    }
39
40    /**
41     * return sort order for position in admin menu
42     */
43    function getMenuSort() {
44        return 1;
45    }
46
47    /**
48     * handle user request
49     *
50     * Initializes internal vars and handles modifications
51     *
52     * @author Andreas Gohr <andi@splitbrain.org>
53     */
54    function handle() {
55        global $AUTH_ACL;
56        global $ID;
57        global $auth;
58        global $config_cascade;
59        global $INPUT;
60
61        // fresh 1:1 copy without replacements
62        $AUTH_ACL = file($config_cascade['acl']['default']);
63
64        // namespace given?
65        if($INPUT->str('ns') == '*'){
66            $this->ns = '*';
67        }else{
68            $this->ns = cleanID($INPUT->str('ns'));
69        }
70
71        if ($INPUT->str('current_ns')) {
72            $this->current_item = array('id' => cleanID($INPUT->str('current_ns')), 'type' => 'd');
73        } elseif ($INPUT->str('current_id')) {
74            $this->current_item = array('id' => cleanID($INPUT->str('current_id')), 'type' => 'f');
75        } elseif ($this->ns) {
76            $this->current_item = array('id' => $this->ns, 'type' => 'd');
77        } else {
78            $this->current_item = array('id' => $ID, 'type' => 'f');
79        }
80
81        // user or group choosen?
82        $who = trim($INPUT->str('acl_w'));
83        if($INPUT->str('acl_t') == '__g__' && $who){
84            $this->who = '@'.ltrim($auth->cleanGroup($who),'@');
85        }elseif($INPUT->str('acl_t') == '__u__' && $who){
86            $this->who = ltrim($who,'@');
87            if($this->who != '%USER%' && $this->who != '%GROUP%'){ #keep wildcard as is
88                $this->who = $auth->cleanUser($this->who);
89            }
90        }elseif($INPUT->str('acl_t') &&
91                $INPUT->str('acl_t') != '__u__' &&
92                $INPUT->str('acl_t') != '__g__'){
93            $this->who = $INPUT->str('acl_t');
94        }elseif($who){
95            $this->who = $who;
96        }
97
98        // handle modifications
99        if($INPUT->has('cmd') && checkSecurityToken()){
100            $cmd = $INPUT->extract('cmd')->str('cmd');
101
102            // scope for modifications
103            if($this->ns){
104                if($this->ns == '*'){
105                    $scope = '*';
106                }else{
107                    $scope = $this->ns.':*';
108                }
109            }else{
110                $scope = $ID;
111            }
112
113            if($cmd == 'save' && $scope && $this->who && $INPUT->has('acl')){
114                // handle additions or single modifications
115                $this->_acl_del($scope, $this->who);
116                $this->_acl_add($scope, $this->who, $INPUT->int('acl'));
117            }elseif($cmd == 'del' && $scope && $this->who){
118                // handle single deletions
119                $this->_acl_del($scope, $this->who);
120            }elseif($cmd == 'update'){
121                $acl = $INPUT->arr('acl');
122
123                // handle update of the whole file
124                foreach($INPUT->arr('del') as $where => $names){
125                    // remove all rules marked for deletion
126                    foreach($names as $who)
127                        unset($acl[$where][$who]);
128                }
129                // prepare lines
130                $lines = array();
131                // keep header
132                foreach($AUTH_ACL as $line){
133                    if($line{0} == '#'){
134                        $lines[] = $line;
135                    }else{
136                        break;
137                    }
138                }
139                // re-add all rules
140                foreach($acl as $where => $opt){
141                    foreach($opt as $who => $perm){
142                        if ($who[0]=='@') {
143                            if ($who!='@ALL') {
144                                $who = '@'.ltrim($auth->cleanGroup($who),'@');
145                            }
146                        } elseif ($who != '%USER%' && $who != '%GROUP%'){ #keep wildcard as is
147                            $who = $auth->cleanUser($who);
148                        }
149                        $who = auth_nameencode($who,true);
150                        $lines[] = "$where\t$who\t$perm\n";
151                    }
152                }
153                // save it
154                io_saveFile($config_cascade['acl']['default'], join('',$lines));
155            }
156
157            // reload ACL config
158            $AUTH_ACL = file($config_cascade['acl']['default']);
159        }
160
161        // initialize ACL array
162        $this->_init_acl_config();
163    }
164
165    /**
166     * ACL Output function
167     *
168     * print a table with all significant permissions for the
169     * current id
170     *
171     * @author  Frank Schubert <frank@schokilade.de>
172     * @author  Andreas Gohr <andi@splitbrain.org>
173     */
174    function html() {
175        echo '<div id="acl_manager">'.NL;
176        echo '<h1>'.$this->getLang('admin_acl').'</h1>'.NL;
177        echo '<div class="level1">'.NL;
178
179        echo '<div id="acl__tree">'.NL;
180        $this->_html_explorer();
181        echo '</div>'.NL;
182
183        echo '<div id="acl__detail">'.NL;
184        $this->_html_detail();
185        echo '</div>'.NL;
186        echo '</div>'.NL;
187
188        echo '<div class="clearer"></div>';
189        echo '<h2>'.$this->getLang('current').'</h2>'.NL;
190        echo '<div class="level2">'.NL;
191        $this->_html_table();
192        echo '</div>'.NL;
193
194        echo '<div class="footnotes"><div class="fn">'.NL;
195        echo '<sup><a id="fn__1" class="fn_bot" href="#fnt__1">1)</a></sup>'.NL;
196        echo $this->getLang('p_include');
197        echo '</div></div>';
198
199        echo '</div>'.NL;
200    }
201
202    /**
203     * returns array with set options for building links
204     *
205     * @author Andreas Gohr <andi@splitbrain.org>
206     */
207    function _get_opts($addopts=null){
208        $opts = array(
209                    'do'=>'admin',
210                    'page'=>'acl',
211                );
212        if($this->ns) $opts['ns'] = $this->ns;
213        if($this->who) $opts['acl_w'] = $this->who;
214
215        if(is_null($addopts)) return $opts;
216        return array_merge($opts, $addopts);
217    }
218
219    /**
220     * Display a tree menu to select a page or namespace
221     *
222     * @author Andreas Gohr <andi@splitbrain.org>
223     */
224    function _html_explorer(){
225        global $conf;
226        global $ID;
227        global $lang;
228
229        $ns  = $this->ns;
230        if(empty($ns)){
231            $ns = dirname(str_replace(':','/',$ID));
232            if($ns == '.') $ns ='';
233        }elseif($ns == '*'){
234            $ns ='';
235        }
236        $ns  = utf8_encodeFN(str_replace(':','/',$ns));
237
238        $data = $this->_get_tree($ns);
239
240        // wrap a list with the root level around the other namespaces
241        array_unshift($data, array( 'level' => 0, 'id' => '*', 'type' => 'd',
242                   'open' =>'true', 'label' => '['.$lang['mediaroot'].']'));
243
244        echo html_buildlist($data,'acl',
245                            array($this,'_html_list_acl'),
246                            array($this,'_html_li_acl'));
247
248    }
249
250    /**
251     * get a combined list of media and page files
252     *
253     * @param string $folder an already converted filesystem folder of the current namespace
254     * @param string $limit  limit the search to this folder
255     */
256    function _get_tree($folder,$limit=''){
257        global $conf;
258
259        // read tree structure from pages and media
260        $data = array();
261        search($data,$conf['datadir'],'search_index',array('ns' => $folder),$limit);
262        $media = array();
263        search($media,$conf['mediadir'],'search_index',array('ns' => $folder, 'nofiles' => true),$limit);
264        $data = array_merge($data,$media);
265        unset($media);
266
267        // combine by sorting and removing duplicates
268        usort($data,array($this,'_tree_sort'));
269        $count = count($data);
270        if($count>0) for($i=1; $i<$count; $i++){
271            if($data[$i-1]['id'] == $data[$i]['id'] && $data[$i-1]['type'] == $data[$i]['type']) {
272                unset($data[$i]);
273                $i++;  // duplicate found, next $i can't be a duplicate, so skip forward one
274            }
275        }
276        return $data;
277    }
278
279    /**
280     * usort callback
281     *
282     * Sorts the combined trees of media and page files
283     */
284    function _tree_sort($a,$b){
285        // handle the trivial cases first
286        if ($a['id'] == '') return -1;
287        if ($b['id'] == '') return 1;
288        // split up the id into parts
289        $a_ids = explode(':', $a['id']);
290        $b_ids = explode(':', $b['id']);
291        // now loop through the parts
292        while (count($a_ids) && count($b_ids)) {
293            // compare each level from upper to lower
294            // until a non-equal component is found
295            $cur_result = strcmp(array_shift($a_ids), array_shift($b_ids));
296            if ($cur_result) {
297                // if one of the components is the last component and is a file
298                // and the other one is either of a deeper level or a directory,
299                // the file has to come after the deeper level or directory
300                if (empty($a_ids) && $a['type'] == 'f' && (count($b_ids) || $b['type'] == 'd')) return 1;
301                if (empty($b_ids) && $b['type'] == 'f' && (count($a_ids) || $a['type'] == 'd')) return -1;
302                return $cur_result;
303            }
304        }
305        // The two ids seem to be equal. One of them might however refer
306        // to a page, one to a namespace, the namespace needs to be first.
307        if (empty($a_ids) && empty($b_ids)) {
308            if ($a['type'] == $b['type']) return 0;
309            if ($a['type'] == 'f') return 1;
310            return -1;
311        }
312        // Now the empty part is either a page in the parent namespace
313        // that obviously needs to be after the namespace
314        // Or it is the namespace that contains the other part and should be
315        // before that other part.
316        if (empty($a_ids)) return ($a['type'] == 'd') ? -1 : 1;
317        if (empty($b_ids)) return ($b['type'] == 'd') ? 1 : -1;
318    }
319
320    /**
321     * Display the current ACL for selected where/who combination with
322     * selectors and modification form
323     *
324     * @author Andreas Gohr <andi@splitbrain.org>
325     */
326    function _html_detail(){
327        global $ID;
328
329        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
330
331        echo '<div id="acl__user">';
332        echo $this->getLang('acl_perms').' ';
333        $inl =  $this->_html_select();
334        echo '<input type="text" name="acl_w" class="edit" value="'.(($inl)?'':hsc(ltrim($this->who,'@'))).'" />'.NL;
335        echo '<input type="submit" value="'.$this->getLang('btn_select').'" class="button" />'.NL;
336        echo '</div>'.NL;
337
338        echo '<div id="acl__info">';
339        $this->_html_info();
340        echo '</div>';
341
342        echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
343        echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
344        echo '<input type="hidden" name="do" value="admin" />'.NL;
345        echo '<input type="hidden" name="page" value="acl" />'.NL;
346        echo '<input type="hidden" name="sectok" value="'.getSecurityToken().'" />'.NL;
347        echo '</div></form>'.NL;
348    }
349
350    /**
351     * Print info and editor
352     */
353    function _html_info(){
354        global $ID;
355
356        if($this->who){
357            $current = $this->_get_exact_perm();
358
359            // explain current permissions
360            $this->_html_explain($current);
361            // load editor
362            $this->_html_acleditor($current);
363        }else{
364            echo '<p>';
365            if($this->ns){
366                printf($this->getLang('p_choose_ns'),hsc($this->ns));
367            }else{
368                printf($this->getLang('p_choose_id'),hsc($ID));
369            }
370            echo '</p>';
371
372            echo $this->locale_xhtml('help');
373        }
374    }
375
376    /**
377     * Display the ACL editor
378     *
379     * @author Andreas Gohr <andi@splitbrain.org>
380     */
381    function _html_acleditor($current){
382        global $lang;
383
384        echo '<fieldset>';
385        if(is_null($current)){
386            echo '<legend>'.$this->getLang('acl_new').'</legend>';
387        }else{
388            echo '<legend>'.$this->getLang('acl_mod').'</legend>';
389        }
390
391        echo $this->_html_checkboxes($current,empty($this->ns),'acl');
392
393        if(is_null($current)){
394            echo '<input type="submit" name="cmd[save]" class="button" value="'.$lang['btn_save'].'" />'.NL;
395        }else{
396            echo '<input type="submit" name="cmd[save]" class="button" value="'.$lang['btn_update'].'" />'.NL;
397            echo '<input type="submit" name="cmd[del]" class="button" value="'.$lang['btn_delete'].'" />'.NL;
398        }
399
400        echo '</fieldset>';
401    }
402
403    /**
404     * Explain the currently set permissions in plain english/$lang
405     *
406     * @author Andreas Gohr <andi@splitbrain.org>
407     */
408    function _html_explain($current){
409        global $ID;
410        global $auth;
411
412        $who = $this->who;
413        $ns  = $this->ns;
414
415        // prepare where to check
416        if($ns){
417            if($ns == '*'){
418                $check='*';
419            }else{
420                $check=$ns.':*';
421            }
422        }else{
423            $check = $ID;
424        }
425
426        // prepare who to check
427        if($who{0} == '@'){
428            $user   = '';
429            $groups = array(ltrim($who,'@'));
430        }else{
431            $user = $who;
432            $info = $auth->getUserData($user);
433            if($info === false){
434                $groups = array();
435            }else{
436                $groups = $info['grps'];
437            }
438        }
439
440        // check the permissions
441        $perm = auth_aclcheck($check,$user,$groups);
442
443        // build array of named permissions
444        $names = array();
445        if($perm){
446            if($ns){
447                if($perm >= AUTH_DELETE) $names[] = $this->getLang('acl_perm16');
448                if($perm >= AUTH_UPLOAD) $names[] = $this->getLang('acl_perm8');
449                if($perm >= AUTH_CREATE) $names[] = $this->getLang('acl_perm4');
450            }
451            if($perm >= AUTH_EDIT) $names[] = $this->getLang('acl_perm2');
452            if($perm >= AUTH_READ) $names[] = $this->getLang('acl_perm1');
453            $names = array_reverse($names);
454        }else{
455            $names[] = $this->getLang('acl_perm0');
456        }
457
458        // print permission explanation
459        echo '<p>';
460        if($user){
461            if($ns){
462                printf($this->getLang('p_user_ns'),hsc($who),hsc($ns),join(', ',$names));
463            }else{
464                printf($this->getLang('p_user_id'),hsc($who),hsc($ID),join(', ',$names));
465            }
466        }else{
467            if($ns){
468                printf($this->getLang('p_group_ns'),hsc(ltrim($who,'@')),hsc($ns),join(', ',$names));
469            }else{
470                printf($this->getLang('p_group_id'),hsc(ltrim($who,'@')),hsc($ID),join(', ',$names));
471            }
472        }
473        echo '</p>';
474
475        // add note if admin
476        if($perm == AUTH_ADMIN){
477            echo '<p>'.$this->getLang('p_isadmin').'</p>';
478        }elseif(is_null($current)){
479            echo '<p>'.$this->getLang('p_inherited').'</p>';
480        }
481    }
482
483
484    /**
485     * Item formatter for the tree view
486     *
487     * User function for html_buildlist()
488     *
489     * @author Andreas Gohr <andi@splitbrain.org>
490     */
491    function _html_list_acl($item){
492        $ret = '';
493        // what to display
494        if(!empty($item['label'])){
495            $base = $item['label'];
496        }else{
497            $base = ':'.$item['id'];
498            $base = substr($base,strrpos($base,':')+1);
499        }
500
501        // highlight?
502        if( ($item['type']== $this->current_item['type'] && $item['id'] == $this->current_item['id'])) {
503            $cl = ' cur';
504        } else {
505            $cl = '';
506        }
507
508        // namespace or page?
509        if($item['type']=='d'){
510            if($item['open']){
511                $img   = DOKU_BASE.'lib/images/minus.gif';
512                $alt   = '−';
513            }else{
514                $img   = DOKU_BASE.'lib/images/plus.gif';
515                $alt   = '+';
516            }
517            $ret .= '<img src="'.$img.'" alt="'.$alt.'" />';
518            $ret .= '<a href="'.wl('',$this->_get_opts(array('ns'=>$item['id'],'sectok'=>getSecurityToken()))).'" class="idx_dir'.$cl.'">';
519            $ret .= $base;
520            $ret .= '</a>';
521        }else{
522            $ret .= '<a href="'.wl('',$this->_get_opts(array('id'=>$item['id'],'ns'=>'','sectok'=>getSecurityToken()))).'" class="wikilink1'.$cl.'">';
523            $ret .= noNS($item['id']);
524            $ret .= '</a>';
525        }
526        return $ret;
527    }
528
529
530    function _html_li_acl($item){
531        return '<li class="level' . $item['level'] . ' ' .
532               ($item['open'] ? 'open' : 'closed') . '">';
533    }
534
535
536    /**
537     * Get current ACL settings as multidim array
538     *
539     * @author Andreas Gohr <andi@splitbrain.org>
540     */
541    function _init_acl_config(){
542        global $AUTH_ACL;
543        global $conf;
544        $acl_config=array();
545        $usersgroups = array();
546
547        // get special users and groups
548        $this->specials[] = '@ALL';
549        $this->specials[] = '@'.$conf['defaultgroup'];
550        if($conf['manager'] != '!!not set!!'){
551            $this->specials = array_merge($this->specials,
552                                          array_map('trim',
553                                                    explode(',',$conf['manager'])));
554        }
555        $this->specials = array_filter($this->specials);
556        $this->specials = array_unique($this->specials);
557        sort($this->specials);
558
559        foreach($AUTH_ACL as $line){
560            $line = trim(preg_replace('/#.*$/','',$line)); //ignore comments
561            if(!$line) continue;
562
563            $acl = preg_split('/[ \t]+/',$line);
564            //0 is pagename, 1 is user, 2 is acl
565
566            $acl[1] = rawurldecode($acl[1]);
567            $acl_config[$acl[0]][$acl[1]] = $acl[2];
568
569            // store non-special users and groups for later selection dialog
570            $ug = $acl[1];
571            if(in_array($ug,$this->specials)) continue;
572            $usersgroups[] = $ug;
573        }
574
575        $usersgroups = array_unique($usersgroups);
576        sort($usersgroups);
577        ksort($acl_config);
578
579        $this->acl = $acl_config;
580        $this->usersgroups = $usersgroups;
581    }
582
583    /**
584     * Display all currently set permissions in a table
585     *
586     * @author Andreas Gohr <andi@splitbrain.org>
587     */
588    function _html_table(){
589        global $lang;
590        global $ID;
591
592        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
593        if($this->ns){
594            echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
595        }else{
596            echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
597        }
598        echo '<input type="hidden" name="acl_w" value="'.hsc($this->who).'" />'.NL;
599        echo '<input type="hidden" name="do" value="admin" />'.NL;
600        echo '<input type="hidden" name="page" value="acl" />'.NL;
601        echo '<input type="hidden" name="sectok" value="'.getSecurityToken().'" />'.NL;
602        echo '<div class="table">';
603        echo '<table class="inline">';
604        echo '<tr>';
605        echo '<th>'.$this->getLang('where').'</th>';
606        echo '<th>'.$this->getLang('who').'</th>';
607        echo '<th>'.$this->getLang('perm').'<sup><a id="fnt__1" class="fn_top" href="#fn__1">1)</a></sup></th>';
608        echo '<th>'.$lang['btn_delete'].'</th>';
609        echo '</tr>';
610        foreach($this->acl as $where => $set){
611            foreach($set as $who => $perm){
612                echo '<tr>';
613                echo '<td>';
614                if(substr($where,-1) == '*'){
615                    echo '<span class="aclns">'.hsc($where).'</span>';
616                    $ispage = false;
617                }else{
618                    echo '<span class="aclpage">'.hsc($where).'</span>';
619                    $ispage = true;
620                }
621                echo '</td>';
622
623                echo '<td>';
624                if($who{0} == '@'){
625                    echo '<span class="aclgroup">'.hsc($who).'</span>';
626                }else{
627                    echo '<span class="acluser">'.hsc($who).'</span>';
628                }
629                echo '</td>';
630
631                echo '<td>';
632                echo $this->_html_checkboxes($perm,$ispage,'acl['.$where.']['.$who.']');
633                echo '</td>';
634
635                echo '<td class="check">';
636                echo '<input type="checkbox" name="del['.hsc($where).'][]" value="'.hsc($who).'" />';
637                echo '</td>';
638                echo '</tr>';
639            }
640        }
641
642        echo '<tr>';
643        echo '<th class="action" colspan="4">';
644        echo '<input type="submit" value="'.$lang['btn_update'].'" name="cmd[update]" class="button" />';
645        echo '</th>';
646        echo '</tr>';
647        echo '</table>';
648        echo '</div>';
649        echo '</div></form>'.NL;
650    }
651
652
653    /**
654     * Returns the permission which were set for exactly the given user/group
655     * and page/namespace. Returns null if no exact match is available
656     *
657     * @author Andreas Gohr <andi@splitbrain.org>
658     */
659    function _get_exact_perm(){
660        global $ID;
661        if($this->ns){
662            if($this->ns == '*'){
663                $check = '*';
664            }else{
665                $check = $this->ns.':*';
666            }
667        }else{
668            $check = $ID;
669        }
670
671        if(isset($this->acl[$check][$this->who])){
672            return $this->acl[$check][$this->who];
673        }else{
674            return null;
675        }
676    }
677
678    /**
679     * adds new acl-entry to conf/acl.auth.php
680     *
681     * @author  Frank Schubert <frank@schokilade.de>
682     */
683    function _acl_add($acl_scope, $acl_user, $acl_level){
684        global $config_cascade;
685        $acl_config = file_get_contents($config_cascade['acl']['default']);
686        $acl_user = auth_nameencode($acl_user,true);
687
688        // max level for pagenames is edit
689        if(strpos($acl_scope,'*') === false) {
690            if($acl_level > AUTH_EDIT) $acl_level = AUTH_EDIT;
691        }
692
693        $new_acl = "$acl_scope\t$acl_user\t$acl_level\n";
694
695        $new_config = $acl_config.$new_acl;
696
697        return io_saveFile($config_cascade['acl']['default'], $new_config);
698    }
699
700    /**
701     * remove acl-entry from conf/acl.auth.php
702     *
703     * @author  Frank Schubert <frank@schokilade.de>
704     */
705    function _acl_del($acl_scope, $acl_user){
706        global $config_cascade;
707        $acl_config = file($config_cascade['acl']['default']);
708        $acl_user = auth_nameencode($acl_user,true);
709
710        $acl_pattern = '^'.preg_quote($acl_scope,'/').'[ \t]+'.$acl_user.'[ \t]+[0-8].*$';
711
712        // save all non!-matching
713        $new_config = preg_grep("/$acl_pattern/", $acl_config, PREG_GREP_INVERT);
714
715        return io_saveFile($config_cascade['acl']['default'], join('',$new_config));
716    }
717
718    /**
719     * print the permission radio boxes
720     *
721     * @author  Frank Schubert <frank@schokilade.de>
722     * @author  Andreas Gohr <andi@splitbrain.org>
723     */
724    function _html_checkboxes($setperm,$ispage,$name){
725        global $lang;
726
727        static $label = 0; //number labels
728        $ret = '';
729
730        if($ispage && $setperm > AUTH_EDIT) $setperm = AUTH_EDIT;
731
732        foreach(array(AUTH_NONE,AUTH_READ,AUTH_EDIT,AUTH_CREATE,AUTH_UPLOAD,AUTH_DELETE) as $perm){
733            $label += 1;
734
735            //general checkbox attributes
736            $atts = array( 'type'  => 'radio',
737                           'id'    => 'pbox'.$label,
738                           'name'  => $name,
739                           'value' => $perm );
740            //dynamic attributes
741            if(!is_null($setperm) && $setperm == $perm) $atts['checked']  = 'checked';
742            if($ispage && $perm > AUTH_EDIT){
743                $atts['disabled'] = 'disabled';
744                $class = ' class="disabled"';
745            }else{
746                $class = '';
747            }
748
749            //build code
750            $ret .= '<label for="pbox'.$label.'"'.$class.'>';
751            $ret .= '<input '.buildAttributes($atts).' />&#160;';
752            $ret .= $this->getLang('acl_perm'.$perm);
753            $ret .= '</label>'.NL;
754        }
755        return $ret;
756    }
757
758    /**
759     * Print a user/group selector (reusing already used users and groups)
760     *
761     * @author  Andreas Gohr <andi@splitbrain.org>
762     */
763    function _html_select(){
764        $inlist = false;
765
766        if($this->who &&
767           !in_array($this->who,$this->usersgroups) &&
768           !in_array($this->who,$this->specials)){
769
770            if($this->who{0} == '@'){
771                $gsel = ' selected="selected"';
772            }else{
773                $usel   = ' selected="selected"';
774            }
775        }else{
776            $usel = '';
777            $gsel = '';
778            $inlist = true;
779        }
780
781        echo '<select name="acl_t" class="edit">'.NL;
782        echo '  <option value="__g__" class="aclgroup"'.$gsel.'>'.$this->getLang('acl_group').'</option>'.NL;
783        echo '  <option value="__u__"  class="acluser"'.$usel.'>'.$this->getLang('acl_user').'</option>'.NL;
784        if (!empty($this->specials)) {
785            echo '  <optgroup label="&#160;">'.NL;
786            foreach($this->specials as $ug){
787                if($ug == $this->who){
788                    $sel    = ' selected="selected"';
789                    $inlist = true;
790                }else{
791                    $sel = '';
792                }
793
794                if($ug{0} == '@'){
795                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
796                }else{
797                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
798                }
799            }
800            echo '  </optgroup>'.NL;
801        }
802        if (!empty($this->usersgroups)) {
803            echo '  <optgroup label="&#160;">'.NL;
804            foreach($this->usersgroups as $ug){
805                if($ug == $this->who){
806                    $sel    = ' selected="selected"';
807                    $inlist = true;
808                }else{
809                    $sel = '';
810                }
811
812                if($ug{0} == '@'){
813                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
814                }else{
815                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
816                }
817            }
818            echo '  </optgroup>'.NL;
819        }
820        echo '</select>'.NL;
821        return $inlist;
822    }
823}
824