xref: /dokuwiki/lib/plugins/acl/admin.php (revision 661d78e851c0ed5f6d0d6a0022010c9e95f30f85) 
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
11/**
12 * All DokuWiki plugins to extend the admin function
13 * need to inherit from this class
14 */
15class admin_plugin_acl extends DokuWiki_Admin_Plugin {
16    public $acl = null;
17    protected $ns  = null;
18    /**
19     * The currently selected item, associative array with id and type.
20     * Populated from (in this order):
21     * $_REQUEST['current_ns']
22     * $_REQUEST['current_id']
23     * $ns
24     * $ID
25     */
26    protected $current_item = null;
27    protected $who = '';
28    protected $usersgroups = array();
29    protected $specials = array();
30
31    /**
32     * return prompt for admin menu
33     */
34    public function getMenuText($language) {
35        return $this->getLang('admin_acl');
36    }
37
38    /**
39     * return sort order for position in admin menu
40     */
41    public function getMenuSort() {
42        return 1;
43    }
44
45    /**
46     * handle user request
47     *
48     * Initializes internal vars and handles modifications
49     *
50     * @author Andreas Gohr <andi@splitbrain.org>
51     */
52    public function handle() {
53        global $AUTH_ACL;
54        global $ID;
55        global $auth;
56        global $config_cascade;
57        global $INPUT;
58
59        // fresh 1:1 copy without replacements
60        $AUTH_ACL = file($config_cascade['acl']['default']);
61
62        // namespace given?
63        if($INPUT->str('ns') == '*'){
64            $this->ns = '*';
65        }else{
66            $this->ns = cleanID($INPUT->str('ns'));
67        }
68
69        if ($INPUT->str('current_ns')) {
70            $this->current_item = array('id' => cleanID($INPUT->str('current_ns')), 'type' => 'd');
71        } elseif ($INPUT->str('current_id')) {
72            $this->current_item = array('id' => cleanID($INPUT->str('current_id')), 'type' => 'f');
73        } elseif ($this->ns) {
74            $this->current_item = array('id' => $this->ns, 'type' => 'd');
75        } else {
76            $this->current_item = array('id' => $ID, 'type' => 'f');
77        }
78
79        // user or group choosen?
80        $who = trim($INPUT->str('acl_w'));
81        if($INPUT->str('acl_t') == '__g__' && $who){
82            $this->who = '@'.ltrim($auth->cleanGroup($who),'@');
83        }elseif($INPUT->str('acl_t') == '__u__' && $who){
84            $this->who = ltrim($who,'@');
85            if($this->who != '%USER%' && $this->who != '%GROUP%'){ #keep wildcard as is
86                $this->who = $auth->cleanUser($this->who);
87            }
88        }elseif($INPUT->str('acl_t') &&
89                $INPUT->str('acl_t') != '__u__' &&
90                $INPUT->str('acl_t') != '__g__'){
91            $this->who = $INPUT->str('acl_t');
92        }elseif($who){
93            $this->who = $who;
94        }
95
96        // handle modifications
97        if($INPUT->has('cmd') && checkSecurityToken()){
98            $cmd = $INPUT->extract('cmd')->str('cmd');
99
100            // scope for modifications
101            if($this->ns){
102                if($this->ns == '*'){
103                    $scope = '*';
104                }else{
105                    $scope = $this->ns.':*';
106                }
107            }else{
108                $scope = $ID;
109            }
110
111            if($cmd == 'save' && $scope && $this->who && $INPUT->has('acl')){
112                // handle additions or single modifications
113                $this->_acl_del($scope, $this->who);
114                $this->_acl_add($scope, $this->who, $INPUT->int('acl'));
115            }elseif($cmd == 'del' && $scope && $this->who){
116                // handle single deletions
117                $this->_acl_del($scope, $this->who);
118            }elseif($cmd == 'update'){
119                $acl = $INPUT->arr('acl');
120
121                // handle update of the whole file
122                foreach($INPUT->arr('del') as $where => $names){
123                    // remove all rules marked for deletion
124                    foreach($names as $who)
125                        unset($acl[$where][$who]);
126                }
127                // prepare lines
128                $lines = array();
129                // keep header
130                foreach($AUTH_ACL as $line){
131                    if($line{0} == '#'){
132                        $lines[] = $line;
133                    }else{
134                        break;
135                    }
136                }
137                // re-add all rules
138                foreach($acl as $where => $opt){
139                    foreach($opt as $who => $perm){
140                        if ($who[0]=='@') {
141                            if ($who!='@ALL') {
142                                $who = '@'.ltrim($auth->cleanGroup($who),'@');
143                            }
144                        } elseif ($who != '%USER%' && $who != '%GROUP%'){ #keep wildcard as is
145                            $who = $auth->cleanUser($who);
146                        }
147                        $who = auth_nameencode($who,true);
148                        $lines[] = "$where\t$who\t$perm\n";
149                    }
150                }
151                // save it
152                io_saveFile($config_cascade['acl']['default'], join('',$lines));
153            }
154
155            // reload ACL config
156            $AUTH_ACL = file($config_cascade['acl']['default']);
157        }
158
159        // initialize ACL array
160        $this->_init_acl_config();
161    }
162
163    /**
164     * ACL Output function
165     *
166     * print a table with all significant permissions for the
167     * current id
168     *
169     * @author  Frank Schubert <frank@schokilade.de>
170     * @author  Andreas Gohr <andi@splitbrain.org>
171     */
172    public function html() {
173        echo '<div id="acl_manager">'.NL;
174        echo '<h1>'.$this->getLang('admin_acl').'</h1>'.NL;
175        echo '<div class="level1">'.NL;
176
177        echo '<div id="acl__tree">'.NL;
178        $this->_html_explorer();
179        echo '</div>'.NL;
180
181        echo '<div id="acl__detail">'.NL;
182        $this->_html_detail();
183        echo '</div>'.NL;
184        echo '</div>'.NL;
185
186        echo '<div class="clearer"></div>';
187        echo '<h2>'.$this->getLang('current').'</h2>'.NL;
188        echo '<div class="level2">'.NL;
189        $this->_html_table();
190        echo '</div>'.NL;
191
192        echo '<div class="footnotes"><div class="fn">'.NL;
193        echo '<sup><a id="fn__1" class="fn_bot" href="#fnt__1">1)</a></sup>'.NL;
194        echo $this->getLang('p_include');
195        echo '</div></div>';
196
197        echo '</div>'.NL;
198    }
199
200    /**
201     * returns array with set options for building links
202     *
203     * @author Andreas Gohr <andi@splitbrain.org>
204     */
205    protected function _get_opts($addopts=null){
206        $opts = array(
207                    'do'=>'admin',
208                    'page'=>'acl',
209                );
210        if($this->ns) $opts['ns'] = $this->ns;
211        if($this->who) $opts['acl_w'] = $this->who;
212
213        if(is_null($addopts)) return $opts;
214        return array_merge($opts, $addopts);
215    }
216
217    /**
218     * Display a tree menu to select a page or namespace
219     *
220     * @author Andreas Gohr <andi@splitbrain.org>
221     */
222    protected function _html_explorer(){
223        global $conf;
224        global $ID;
225        global $lang;
226
227        $ns  = $this->ns;
228        if(empty($ns)){
229            $ns = dirname(str_replace(':','/',$ID));
230            if($ns == '.') $ns ='';
231        }elseif($ns == '*'){
232            $ns ='';
233        }
234        $ns  = utf8_encodeFN(str_replace(':','/',$ns));
235
236        $data = $this->_get_tree($ns);
237
238        // wrap a list with the root level around the other namespaces
239        array_unshift($data, array( 'level' => 0, 'id' => '*', 'type' => 'd',
240                   'open' =>'true', 'label' => '['.$lang['mediaroot'].']'));
241
242        echo html_buildlist($data,'acl',
243                            array($this,'_html_list_acl'),
244                            array($this,'_html_li_acl'));
245
246    }
247
248    /**
249     * get a combined list of media and page files
250     *
251     * @param string $folder an already converted filesystem folder of the current namespace
252     * @param string $limit limit the search to this folder
253     * @return array
254     */
255    protected function _get_tree($folder,$limit=''){
256        global $conf;
257
258        // read tree structure from pages and media
259        $data = array();
260        search($data,$conf['datadir'],'search_index',array('ns' => $folder),$limit);
261        $media = array();
262        search($media,$conf['mediadir'],'search_index',array('ns' => $folder, 'nofiles' => true),$limit);
263        $data = array_merge($data,$media);
264        unset($media);
265
266        // combine by sorting and removing duplicates
267        usort($data,array($this,'_tree_sort'));
268        $count = count($data);
269        if($count>0) for($i=1; $i<$count; $i++){
270            if($data[$i-1]['id'] == $data[$i]['id'] && $data[$i-1]['type'] == $data[$i]['type']) {
271                unset($data[$i]);
272                $i++;  // duplicate found, next $i can't be a duplicate, so skip forward one
273            }
274        }
275        return $data;
276    }
277
278    /**
279     * usort callback
280     *
281     * Sorts the combined trees of media and page files
282     */
283    public function _tree_sort($a,$b){
284        // handle the trivial cases first
285        if ($a['id'] == '') return -1;
286        if ($b['id'] == '') return 1;
287        // split up the id into parts
288        $a_ids = explode(':', $a['id']);
289        $b_ids = explode(':', $b['id']);
290        // now loop through the parts
291        while (count($a_ids) && count($b_ids)) {
292            // compare each level from upper to lower
293            // until a non-equal component is found
294            $cur_result = strcmp(array_shift($a_ids), array_shift($b_ids));
295            if ($cur_result) {
296                // if one of the components is the last component and is a file
297                // and the other one is either of a deeper level or a directory,
298                // the file has to come after the deeper level or directory
299                if (empty($a_ids) && $a['type'] == 'f' && (count($b_ids) || $b['type'] == 'd')) return 1;
300                if (empty($b_ids) && $b['type'] == 'f' && (count($a_ids) || $a['type'] == 'd')) return -1;
301                return $cur_result;
302            }
303        }
304        // The two ids seem to be equal. One of them might however refer
305        // to a page, one to a namespace, the namespace needs to be first.
306        if (empty($a_ids) && empty($b_ids)) {
307            if ($a['type'] == $b['type']) return 0;
308            if ($a['type'] == 'f') return 1;
309            return -1;
310        }
311        // Now the empty part is either a page in the parent namespace
312        // that obviously needs to be after the namespace
313        // Or it is the namespace that contains the other part and should be
314        // before that other part.
315        if (empty($a_ids)) return ($a['type'] == 'd') ? -1 : 1;
316        if (empty($b_ids)) return ($b['type'] == 'd') ? 1 : -1;
317        return 0; //shouldn't happen
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    protected 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($this->who,'@'))).'" />'.NL;
335        echo '<button type="submit">'.$this->getLang('btn_select').'</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    protected 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 $this->locale_xhtml('help');
373        }
374    }
375
376    /**
377     * Display the ACL editor
378     *
379     * @author Andreas Gohr <andi@splitbrain.org>
380     */
381    protected function _html_acleditor($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 '<button type="submit" name="cmd[save]">'.$lang['btn_save'].'</button>'.NL;
395        }else{
396            echo '<button type="submit" name="cmd[save]">'.$lang['btn_update'].'</button>'.NL;
397            echo '<button type="submit" name="cmd[del]">'.$lang['btn_delete'].'</button>'.NL;
398        }
399
400        echo '</fieldset>';
401    }
402
403    /**
404     * Explain the currently set permissions in plain english/$lang
405     *
406     * @author Andreas Gohr <andi@splitbrain.org>
407     */
408    protected 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    protected 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            $ret .= '<a href="'.
519                wl('',$this->_get_opts(array('ns'=>$item['id'],'sectok'=>getSecurityToken()))).
520                '" class="idx_dir'.$cl.'">';
521            $ret .= $base;
522            $ret .= '</a>';
523        }else{
524            $ret .= '<a href="'.
525                wl('',$this->_get_opts(array('id'=>$item['id'],'ns'=>'','sectok'=>getSecurityToken()))).
526                '" class="wikilink1'.$cl.'">';
527            $ret .= noNS($item['id']);
528            $ret .= '</a>';
529        }
530        return $ret;
531    }
532
533    /**
534     * List Item formatter
535     *
536     * @param array $item
537     * @return string
538     */
539    public function _html_li_acl($item){
540        return '<li class="level' . $item['level'] . ' ' .
541               ($item['open'] ? 'open' : 'closed') . '">';
542    }
543
544
545    /**
546     * Get current ACL settings as multidim array
547     *
548     * @author Andreas Gohr <andi@splitbrain.org>
549     */
550    public function _init_acl_config(){
551        global $AUTH_ACL;
552        global $conf;
553        $acl_config=array();
554        $usersgroups = array();
555
556        // get special users and groups
557        $this->specials[] = '@ALL';
558        $this->specials[] = '@'.$conf['defaultgroup'];
559        if($conf['manager'] != '!!not set!!'){
560            $this->specials = array_merge($this->specials,
561                                          array_map('trim',
562                                                    explode(',',$conf['manager'])));
563        }
564        $this->specials = array_filter($this->specials);
565        $this->specials = array_unique($this->specials);
566        sort($this->specials);
567
568        foreach($AUTH_ACL as $line){
569            $line = trim(preg_replace('/#.*$/','',$line)); //ignore comments
570            if(!$line) continue;
571
572            $acl = preg_split('/[ \t]+/',$line);
573            //0 is pagename, 1 is user, 2 is acl
574
575            $acl[1] = rawurldecode($acl[1]);
576            $acl_config[$acl[0]][$acl[1]] = $acl[2];
577
578            // store non-special users and groups for later selection dialog
579            $ug = $acl[1];
580            if(in_array($ug,$this->specials)) continue;
581            $usersgroups[] = $ug;
582        }
583
584        $usersgroups = array_unique($usersgroups);
585        sort($usersgroups);
586        ksort($acl_config);
587
588        $this->acl = $acl_config;
589        $this->usersgroups = $usersgroups;
590    }
591
592    /**
593     * Display all currently set permissions in a table
594     *
595     * @author Andreas Gohr <andi@splitbrain.org>
596     */
597    protected function _html_table(){
598        global $lang;
599        global $ID;
600
601        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
602        if($this->ns){
603            echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
604        }else{
605            echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
606        }
607        echo '<input type="hidden" name="acl_w" value="'.hsc($this->who).'" />'.NL;
608        echo '<input type="hidden" name="do" value="admin" />'.NL;
609        echo '<input type="hidden" name="page" value="acl" />'.NL;
610        echo '<input type="hidden" name="sectok" value="'.getSecurityToken().'" />'.NL;
611        echo '<div class="table">';
612        echo '<table class="inline">';
613        echo '<tr>';
614        echo '<th>'.$this->getLang('where').'</th>';
615        echo '<th>'.$this->getLang('who').'</th>';
616        echo '<th>'.$this->getLang('perm').'<sup><a id="fnt__1" class="fn_top" href="#fn__1">1)</a></sup></th>';
617        echo '<th>'.$lang['btn_delete'].'</th>';
618        echo '</tr>';
619        foreach($this->acl as $where => $set){
620            foreach($set as $who => $perm){
621                echo '<tr>';
622                echo '<td>';
623                if(substr($where,-1) == '*'){
624                    echo '<span class="aclns">'.hsc($where).'</span>';
625                    $ispage = false;
626                }else{
627                    echo '<span class="aclpage">'.hsc($where).'</span>';
628                    $ispage = true;
629                }
630                echo '</td>';
631
632                echo '<td>';
633                if($who{0} == '@'){
634                    echo '<span class="aclgroup">'.hsc($who).'</span>';
635                }else{
636                    echo '<span class="acluser">'.hsc($who).'</span>';
637                }
638                echo '</td>';
639
640                echo '<td>';
641                echo $this->_html_checkboxes($perm,$ispage,'acl['.$where.']['.$who.']');
642                echo '</td>';
643
644                echo '<td class="check">';
645                echo '<input type="checkbox" name="del['.hsc($where).'][]" value="'.hsc($who).'" />';
646                echo '</td>';
647                echo '</tr>';
648            }
649        }
650
651        echo '<tr>';
652        echo '<th class="action" colspan="4">';
653        echo '<button type="submit" name="cmd[update]">'.$lang['btn_update'].'</button>';
654        echo '</th>';
655        echo '</tr>';
656        echo '</table>';
657        echo '</div>';
658        echo '</div></form>'.NL;
659    }
660
661    /**
662     * Returns the permission which were set for exactly the given user/group
663     * and page/namespace. Returns null if no exact match is available
664     *
665     * @author Andreas Gohr <andi@splitbrain.org>
666     */
667    protected function _get_exact_perm(){
668        global $ID;
669        if($this->ns){
670            if($this->ns == '*'){
671                $check = '*';
672            }else{
673                $check = $this->ns.':*';
674            }
675        }else{
676            $check = $ID;
677        }
678
679        if(isset($this->acl[$check][$this->who])){
680            return $this->acl[$check][$this->who];
681        }else{
682            return null;
683        }
684    }
685
686    /**
687     * adds new acl-entry to conf/acl.auth.php
688     *
689     * @author  Frank Schubert <frank@schokilade.de>
690     */
691    public function _acl_add($acl_scope, $acl_user, $acl_level){
692        global $config_cascade;
693        $acl_user = auth_nameencode($acl_user,true);
694
695        // max level for pagenames is edit
696        if(strpos($acl_scope,'*') === false) {
697            if($acl_level > AUTH_EDIT) $acl_level = AUTH_EDIT;
698        }
699
700        $new_acl = "$acl_scope\t$acl_user\t$acl_level\n";
701
702        return io_saveFile($config_cascade['acl']['default'], $new_acl, true);
703    }
704
705    /**
706     * remove acl-entry from conf/acl.auth.php
707     *
708     * @author  Frank Schubert <frank@schokilade.de>
709     */
710    public function _acl_del($acl_scope, $acl_user){
711        global $config_cascade;
712        $acl_user = auth_nameencode($acl_user,true);
713
714        $acl_pattern = '^'.preg_quote($acl_scope,'/').'[ \t]+'.$acl_user.'[ \t]+[0-8].*$';
715
716        return io_deleteFromFile($config_cascade['acl']['default'], "/$acl_pattern/", true);
717    }
718
719    /**
720     * print the permission radio boxes
721     *
722     * @author  Frank Schubert <frank@schokilade.de>
723     * @author  Andreas Gohr <andi@splitbrain.org>
724     */
725    protected function _html_checkboxes($setperm,$ispage,$name){
726        global $lang;
727
728        static $label = 0; //number labels
729        $ret = '';
730
731        if($ispage && $setperm > AUTH_EDIT) $setperm = AUTH_EDIT;
732
733        foreach(array(AUTH_NONE,AUTH_READ,AUTH_EDIT,AUTH_CREATE,AUTH_UPLOAD,AUTH_DELETE) as $perm){
734            $label += 1;
735
736            //general checkbox attributes
737            $atts = array( 'type'  => 'radio',
738                           'id'    => 'pbox'.$label,
739                           'name'  => $name,
740                           'value' => $perm );
741            //dynamic attributes
742            if(!is_null($setperm) && $setperm == $perm) $atts['checked']  = 'checked';
743            if($ispage && $perm > AUTH_EDIT){
744                $atts['disabled'] = 'disabled';
745                $class = ' class="disabled"';
746            }else{
747                $class = '';
748            }
749
750            //build code
751            $ret .= '<label for="pbox'.$label.'"'.$class.'>';
752            $ret .= '<input '.buildAttributes($atts).' />&#160;';
753            $ret .= $this->getLang('acl_perm'.$perm);
754            $ret .= '</label>'.NL;
755        }
756        return $ret;
757    }
758
759    /**
760     * Print a user/group selector (reusing already used users and groups)
761     *
762     * @author  Andreas Gohr <andi@splitbrain.org>
763     */
764    protected function _html_select(){
765        $inlist = false;
766        $usel = '';
767        $gsel = '';
768
769        if($this->who &&
770           !in_array($this->who,$this->usersgroups) &&
771           !in_array($this->who,$this->specials)){
772
773            if($this->who{0} == '@'){
774                $gsel = ' selected="selected"';
775            }else{
776                $usel = ' selected="selected"';
777            }
778        }else{
779            $inlist = true;
780        }
781
782        echo '<select name="acl_t" class="edit">'.NL;
783        echo '  <option value="__g__" class="aclgroup"'.$gsel.'>'.$this->getLang('acl_group').'</option>'.NL;
784        echo '  <option value="__u__"  class="acluser"'.$usel.'>'.$this->getLang('acl_user').'</option>'.NL;
785        if (!empty($this->specials)) {
786            echo '  <optgroup label="&#160;">'.NL;
787            foreach($this->specials as $ug){
788                if($ug == $this->who){
789                    $sel    = ' selected="selected"';
790                    $inlist = true;
791                }else{
792                    $sel = '';
793                }
794
795                if($ug{0} == '@'){
796                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
797                }else{
798                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
799                }
800            }
801            echo '  </optgroup>'.NL;
802        }
803        if (!empty($this->usersgroups)) {
804            echo '  <optgroup label="&#160;">'.NL;
805            foreach($this->usersgroups as $ug){
806                if($ug == $this->who){
807                    $sel    = ' selected="selected"';
808                    $inlist = true;
809                }else{
810                    $sel = '';
811                }
812
813                if($ug{0} == '@'){
814                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
815                }else{
816                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
817                }
818            }
819            echo '  </optgroup>'.NL;
820        }
821        echo '</select>'.NL;
822        return $inlist;
823    }
824}
825