xref: /dokuwiki/lib/plugins/acl/admin.php (revision b838050e5828b5cbf32b9e82ce11c9cc54592809) 
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
60        // fresh 1:1 copy without replacements
61        $AUTH_ACL = file($config_cascade['acl']['default']);
62
63
64        // namespace given?
65        if($_REQUEST['ns'] == '*'){
66            $this->ns = '*';
67        }else{
68            $this->ns = cleanID($_REQUEST['ns']);
69        }
70
71        if ($_REQUEST['current_ns']) {
72            $this->current_item = array('id' => cleanID($_REQUEST['current_ns']), 'type' => 'd');
73        } elseif ($_REQUEST['current_id']) {
74            $this->current_item = array('id' => cleanID($_REQUEST['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        $who = trim($_REQUEST['acl_w']);
83        if($_REQUEST['acl_t'] == '__g__' && $who){
84            $this->who = '@'.ltrim($auth->cleanGroup($who),'@');
85        }elseif($_REQUEST['acl_t'] == '__u__' && $who){
86            $this->who = ltrim($who,'@');
87            if($this->who != '%USER%'){ #keep wildcard as is
88                $this->who = $auth->cleanUser($this->who);
89            }
90        }elseif($_REQUEST['acl_t'] &&
91                $_REQUEST['acl_t'] != '__u__' &&
92                $_REQUEST['acl_t'] != '__g__'){
93            $this->who = $_REQUEST['acl_t'];
94        }elseif($who){
95            $this->who = $who;
96        }
97
98        // handle modifications
99        if(isset($_REQUEST['cmd']) && checkSecurityToken()){
100
101            // scope for modifications
102            if($this->ns){
103                if($this->ns == '*'){
104                    $scope = '*';
105                }else{
106                    $scope = $this->ns.':*';
107                }
108            }else{
109                $scope = $ID;
110            }
111
112            if(isset($_REQUEST['cmd']['save']) && $scope && $this->who && isset($_REQUEST['acl'])){
113                // handle additions or single modifications
114                $this->_acl_del($scope, $this->who);
115                $this->_acl_add($scope, $this->who, (int) $_REQUEST['acl']);
116            }elseif(isset($_REQUEST['cmd']['del']) && $scope && $this->who){
117                // handle single deletions
118                $this->_acl_del($scope, $this->who);
119            }elseif(isset($_REQUEST['cmd']['update'])){
120                // handle update of the whole file
121                foreach((array) $_REQUEST['del'] as $where => $names){
122                    // remove all rules marked for deletion
123                    foreach($names as $who)
124                        unset($_REQUEST['acl'][$where][$who]);
125                }
126                // prepare lines
127                $lines = array();
128                // keep header
129                foreach($AUTH_ACL as $line){
130                    if($line{0} == '#'){
131                        $lines[] = $line;
132                    }else{
133                        break;
134                    }
135                }
136                // re-add all rules
137                foreach((array) $_REQUEST['acl'] as $where => $opt){
138                    foreach($opt as $who => $perm){
139                        if ($who[0]=='@') {
140                            if ($who!='@ALL') {
141                                $who = '@'.ltrim($auth->cleanGroup($who),'@');
142                            }
143                        } elseif ($who != '%USER%'){ #keep wildcard as is
144                            $who = $auth->cleanUser($who);
145                        }
146                        $who = auth_nameencode($who,true);
147                        $lines[] = "$where\t$who\t$perm\n";
148                    }
149                }
150                // save it
151                io_saveFile($config_cascade['acl']['default'], join('',$lines));
152            }
153
154            // reload ACL config
155            $AUTH_ACL = file($config_cascade['acl']['default']);
156        }
157
158        // initialize ACL array
159        $this->_init_acl_config();
160    }
161
162    /**
163     * ACL Output function
164     *
165     * print a table with all significant permissions for the
166     * current id
167     *
168     * @author  Frank Schubert <frank@schokilade.de>
169     * @author  Andreas Gohr <andi@splitbrain.org>
170     */
171    function html() {
172        global $ID;
173
174        echo '<div id="acl_manager">'.NL;
175        echo '<h1>'.$this->getLang('admin_acl').'</h1>'.NL;
176        echo '<div class="level1">'.NL;
177
178        echo '<div id="acl__tree">'.NL;
179        $this->_html_explorer();
180        echo '</div>'.NL;
181
182        echo '<div id="acl__detail">'.NL;
183        $this->_html_detail();
184        echo '</div>'.NL;
185        echo '</div>'.NL;
186
187        echo '<div class="clearer"></div>';
188        echo '<h2>'.$this->getLang('current').'</h2>'.NL;
189        echo '<div class="level2">'.NL;
190        $this->_html_table();
191        echo '</div>'.NL;
192
193        echo '<div class="footnotes"><div class="fn">'.NL;
194        echo '<sup><a id="fn__1" class="fn_bot" name="fn__1" href="#fnt__1">1)</a></sup>'.NL;
195        echo $this->getLang('p_include');
196        echo '</div></div>';
197
198        echo '</div>'.NL;
199    }
200
201    /**
202     * returns array with set options for building links
203     *
204     * @author Andreas Gohr <andi@splitbrain.org>
205     */
206    function _get_opts($addopts=null){
207        global $ID;
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        $dir = $conf['datadir'];
230        $ns  = $this->ns;
231        if(empty($ns)){
232            $ns = dirname(str_replace(':','/',$ID));
233            if($ns == '.') $ns ='';
234        }elseif($ns == '*'){
235            $ns ='';
236        }
237        $ns  = utf8_encodeFN(str_replace(':','/',$ns));
238
239        $data = $this->_get_tree($ns);
240
241        // wrap a list with the root level around the other namespaces
242        array_unshift($data, array( 'level' => 0, 'id' => '*', 'type' => 'd',
243                   'open' =>'true', 'label' => '['.$lang['mediaroot'].']'));
244
245        echo html_buildlist($data,'acl',
246                            array($this,'_html_list_acl'),
247                            array($this,'_html_li_acl'));
248
249    }
250
251    /**
252     * get a combined list of media and page files
253     *
254     * @param string $folder an already converted filesystem folder of the current namespace
255     * @param string $limit  limit the search to this folder
256     */
257    function _get_tree($folder,$limit=''){
258        global $conf;
259
260        // read tree structure from pages and media
261        $data = array();
262        search($data,$conf['datadir'],'search_index',array('ns' => $folder),$limit);
263        $media = array();
264        search($media,$conf['mediadir'],'search_index',array('ns' => $folder, 'nofiles' => true),$limit);
265        $data = array_merge($data,$media);
266        unset($media);
267
268        // combine by sorting and removing duplicates
269        usort($data,array($this,'_tree_sort'));
270        $count = count($data);
271        if($count>0) for($i=1; $i<$count; $i++){
272            if($data[$i-1]['id'] == $data[$i]['id'] && $data[$i-1]['type'] == $data[$i]['type']) unset($data[$i]);
273        }
274        return $data;
275    }
276
277    /**
278     * usort callback
279     *
280     * Sorts the combined trees of media and page files
281     */
282    function _tree_sort($a,$b){
283        // handle the trivial cases first
284        if ($a['id'] == '') return -1;
285        if ($b['id'] == '') return 1;
286        // split up the id into parts
287        $a_ids = explode(':', $a['id']);
288        $b_ids = explode(':', $b['id']);
289        // now loop through the parts
290        while (count($a_ids) && count($b_ids)) {
291            // compare each level from upper to lower
292            // until a non-equal component is found
293            $cur_result = strcmp(array_shift($a_ids), array_shift($b_ids));
294            if ($cur_result) {
295                // if one of the components is the last component and is a file
296                // and the other one is either of a deeper level or a directory,
297                // the file has to come after the deeper level or directory
298                if (empty($a_ids) && $a['type'] == 'f' && (count($b_ids) || $b['type'] == 'd')) return 1;
299                if (empty($b_ids) && $b['type'] == 'f' && (count($a_ids) || $a['type'] == 'd')) return -1;
300                return $cur_result;
301            }
302        }
303        // The two ids seem to be equal. One of them might however refer
304        // to a page, one to a namespace, the namespace needs to be first.
305        if (empty($a_ids) && empty($b_ids)) {
306            if ($a['type'] == $b['type']) return 0;
307            if ($a['type'] == 'f') return 1;
308            return -1;
309        }
310        // Now the empty part is either a page in the parent namespace
311        // that obviously needs to be after the namespace
312        // Or it is the namespace that contains the other part and should be
313        // before that other part.
314        if (empty($a_ids)) return ($a['type'] == 'd') ? -1 : 1;
315        if (empty($b_ids)) return ($b['type'] == 'd') ? 1 : -1;
316    }
317
318    /**
319     * Display the current ACL for selected where/who combination with
320     * selectors and modification form
321     *
322     * @author Andreas Gohr <andi@splitbrain.org>
323     */
324    function _html_detail(){
325        global $conf;
326        global $ID;
327
328        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
329
330        echo '<div id="acl__user">';
331        echo $this->getLang('acl_perms').' ';
332        $inl =  $this->_html_select();
333        echo '<input type="text" name="acl_w" class="edit" value="'.(($inl)?'':hsc(ltrim($this->who,'@'))).'" />'.NL;
334        echo '<input type="submit" value="'.$this->getLang('btn_select').'" class="button" />'.NL;
335        echo '</div>'.NL;
336
337        echo '<div id="acl__info">';
338        $this->_html_info();
339        echo '</div>';
340
341        echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
342        echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
343        echo '<input type="hidden" name="do" value="admin" />'.NL;
344        echo '<input type="hidden" name="page" value="acl" />'.NL;
345        echo '<input type="hidden" name="sectok" value="'.getSecurityToken().'" />'.NL;
346        echo '</div></form>'.NL;
347    }
348
349    /**
350     * Print infos and editor
351     */
352    function _html_info(){
353        global $ID;
354
355        if($this->who){
356            $current = $this->_get_exact_perm();
357
358            // explain current permissions
359            $this->_html_explain($current);
360            // load editor
361            $this->_html_acleditor($current);
362        }else{
363            echo '<p>';
364            if($this->ns){
365                printf($this->getLang('p_choose_ns'),hsc($this->ns));
366            }else{
367                printf($this->getLang('p_choose_id'),hsc($ID));
368            }
369            echo '</p>';
370
371            echo $this->locale_xhtml('help');
372        }
373    }
374
375    /**
376     * Display the ACL editor
377     *
378     * @author Andreas Gohr <andi@splitbrain.org>
379     */
380    function _html_acleditor($current){
381        global $lang;
382
383        echo '<fieldset>';
384        if(is_null($current)){
385            echo '<legend>'.$this->getLang('acl_new').'</legend>';
386        }else{
387            echo '<legend>'.$this->getLang('acl_mod').'</legend>';
388        }
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        global $ID;
493        $ret = '';
494        // what to display
495        if($item['label']){
496            $base = $item['label'];
497        }else{
498            $base = ':'.$item['id'];
499            $base = substr($base,strrpos($base,':')+1);
500        }
501
502        // highlight?
503        if( ($item['type']== $this->current_item['type'] && $item['id'] == $this->current_item['id']))
504            $cl = ' cur';
505
506        // namespace or page?
507        if($item['type']=='d'){
508            if($item['open']){
509                $img   = DOKU_BASE.'lib/images/minus.gif';
510                $alt   = '&minus;';
511            }else{
512                $img   = DOKU_BASE.'lib/images/plus.gif';
513                $alt   = '+';
514            }
515            $ret .= '<img src="'.$img.'" alt="'.$alt.'" />';
516            $ret .= '<a href="'.wl('',$this->_get_opts(array('ns'=>$item['id'],'sectok'=>getSecurityToken()))).'" class="idx_dir'.$cl.'">';
517            $ret .= $base;
518            $ret .= '</a>';
519        }else{
520            $ret .= '<a href="'.wl('',$this->_get_opts(array('id'=>$item['id'],'ns'=>'','sectok'=>getSecurityToken()))).'" class="wikilink1'.$cl.'">';
521            $ret .= noNS($item['id']);
522            $ret .= '</a>';
523        }
524        return $ret;
525    }
526
527
528    function _html_li_acl($item){
529        return '<li class="level' . $item['level'] . ' ' .
530               ($item['open'] ? 'open' : 'closed') . '">';
531    }
532
533
534    /**
535     * Get current ACL settings as multidim array
536     *
537     * @author Andreas Gohr <andi@splitbrain.org>
538     */
539    function _init_acl_config(){
540        global $AUTH_ACL;
541        global $conf;
542        $acl_config=array();
543        $usersgroups = array();
544
545        // get special users and groups
546        $this->specials[] = '@ALL';
547        $this->specials[] = '@'.$conf['defaultgroup'];
548        if($conf['manager'] != '!!not set!!'){
549            $this->specials = array_merge($this->specials,
550                                          array_map('trim',
551                                                    explode(',',$conf['manager'])));
552        }
553        $this->specials = array_filter($this->specials);
554        $this->specials = array_unique($this->specials);
555        sort($this->specials);
556
557        foreach($AUTH_ACL as $line){
558            $line = trim(preg_replace('/#.*$/','',$line)); //ignore comments
559            if(!$line) continue;
560
561            $acl = preg_split('/\s+/',$line);
562            //0 is pagename, 1 is user, 2 is acl
563
564            $acl[1] = rawurldecode($acl[1]);
565            $acl_config[$acl[0]][$acl[1]] = $acl[2];
566
567            // store non-special users and groups for later selection dialog
568            $ug = $acl[1];
569            if(in_array($ug,$this->specials)) continue;
570            $usersgroups[] = $ug;
571        }
572
573        $usersgroups = array_unique($usersgroups);
574        sort($usersgroups);
575        ksort($acl_config);
576
577        $this->acl = $acl_config;
578        $this->usersgroups = $usersgroups;
579    }
580
581    /**
582     * Display all currently set permissions in a table
583     *
584     * @author Andreas Gohr <andi@splitbrain.org>
585     */
586    function _html_table(){
587        global $lang;
588        global $ID;
589
590        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
591        if($this->ns){
592            echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
593        }else{
594            echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
595        }
596        echo '<input type="hidden" name="acl_w" value="'.hsc($this->who).'" />'.NL;
597        echo '<input type="hidden" name="do" value="admin" />'.NL;
598        echo '<input type="hidden" name="page" value="acl" />'.NL;
599        echo '<input type="hidden" name="sectok" value="'.getSecurityToken().'" />'.NL;
600        echo '<table class="inline">';
601        echo '<tr>';
602        echo '<th>'.$this->getLang('where').'</th>';
603        echo '<th>'.$this->getLang('who').'</th>';
604        echo '<th>'.$this->getLang('perm').'<sup><a id="fnt__1" class="fn_top" name="fnt__1" href="#fn__1">1)</a></sup></th>';
605        echo '<th>'.$lang['btn_delete'].'</th>';
606        echo '</tr>';
607        foreach($this->acl as $where => $set){
608            foreach($set as $who => $perm){
609                echo '<tr>';
610                echo '<td>';
611                if(substr($where,-1) == '*'){
612                    echo '<span class="aclns">'.hsc($where).'</span>';
613                    $ispage = false;
614                }else{
615                    echo '<span class="aclpage">'.hsc($where).'</span>';
616                    $ispage = true;
617                }
618                echo '</td>';
619
620                echo '<td>';
621                if($who{0} == '@'){
622                    echo '<span class="aclgroup">'.hsc($who).'</span>';
623                }else{
624                    echo '<span class="acluser">'.hsc($who).'</span>';
625                }
626                echo '</td>';
627
628                echo '<td>';
629                echo $this->_html_checkboxes($perm,$ispage,'acl['.$where.']['.$who.']');
630                echo '</td>';
631
632                echo '<td align="center">';
633                echo '<input type="checkbox" name="del['.hsc($where).'][]" value="'.hsc($who).'" />';
634                echo '</td>';
635                echo '</tr>';
636            }
637        }
638
639        echo '<tr>';
640        echo '<th align="right" colspan="4">';
641        echo '<input type="submit" value="'.$lang['btn_update'].'" name="cmd[update]" class="button" />';
642        echo '</th>';
643        echo '</tr>';
644        echo '</table>';
645        echo '</div></form>'.NL;
646    }
647
648
649    /**
650     * Returns the permission which were set for exactly the given user/group
651     * and page/namespace. Returns null if no exact match is available
652     *
653     * @author Andreas Gohr <andi@splitbrain.org>
654     */
655    function _get_exact_perm(){
656        global $ID;
657        if($this->ns){
658            if($this->ns == '*'){
659                $check = '*';
660            }else{
661                $check = $this->ns.':*';
662            }
663        }else{
664            $check = $ID;
665        }
666
667        if(isset($this->acl[$check][$this->who])){
668            return $this->acl[$check][$this->who];
669        }else{
670            return null;
671        }
672    }
673
674    /**
675     * adds new acl-entry to conf/acl.auth.php
676     *
677     * @author  Frank Schubert <frank@schokilade.de>
678     */
679    function _acl_add($acl_scope, $acl_user, $acl_level){
680        global $config_cascade;
681        $acl_config = file_get_contents($config_cascade['acl']['default']);
682        $acl_user = auth_nameencode($acl_user,true);
683
684        // max level for pagenames is edit
685        if(strpos($acl_scope,'*') === false) {
686            if($acl_level > AUTH_EDIT) $acl_level = AUTH_EDIT;
687        }
688
689
690        $new_acl = "$acl_scope\t$acl_user\t$acl_level\n";
691
692        $new_config = $acl_config.$new_acl;
693
694        return io_saveFile($config_cascade['acl']['default'], $new_config);
695    }
696
697    /**
698     * remove acl-entry from conf/acl.auth.php
699     *
700     * @author  Frank Schubert <frank@schokilade.de>
701     */
702    function _acl_del($acl_scope, $acl_user){
703        global $config_cascade;
704        $acl_config = file($config_cascade['acl']['default']);
705        $acl_user = auth_nameencode($acl_user,true);
706
707        $acl_pattern = '^'.preg_quote($acl_scope,'/').'\s+'.$acl_user.'\s+[0-8].*$';
708
709        // save all non!-matching
710        $new_config = preg_grep("/$acl_pattern/", $acl_config, PREG_GREP_INVERT);
711
712        return io_saveFile($config_cascade['acl']['default'], join('',$new_config));
713    }
714
715    /**
716     * print the permission radio boxes
717     *
718     * @author  Frank Schubert <frank@schokilade.de>
719     * @author  Andreas Gohr <andi@splitbrain.org>
720     */
721    function _html_checkboxes($setperm,$ispage,$name){
722        global $lang;
723
724        static $label = 0; //number labels
725        $ret = '';
726
727        if($ispage && $setperm > AUTH_EDIT) $perm = AUTH_EDIT;
728
729        foreach(array(AUTH_NONE,AUTH_READ,AUTH_EDIT,AUTH_CREATE,AUTH_UPLOAD,AUTH_DELETE) as $perm){
730            $label += 1;
731
732            //general checkbox attributes
733            $atts = array( 'type'  => 'radio',
734                           'id'    => 'pbox'.$label,
735                           'name'  => $name,
736                           'value' => $perm );
737            //dynamic attributes
738            if(!is_null($setperm) && $setperm == $perm) $atts['checked']  = 'checked';
739            if($ispage && $perm > AUTH_EDIT){
740                $atts['disabled'] = 'disabled';
741                $class = ' class="disabled"';
742            }else{
743                $class = '';
744            }
745
746            //build code
747            $ret .= '<label for="pbox'.$label.'" title="'.$this->getLang('acl_perm'.$perm).'"'.$class.'>';
748            $ret .= '<input '.buildAttributes($atts).' />&nbsp;';
749            $ret .= $this->getLang('acl_perm'.$perm);
750            $ret .= '</label>'.NL;
751        }
752        return $ret;
753    }
754
755    /**
756     * Print a user/group selector (reusing already used users and groups)
757     *
758     * @author  Andreas Gohr <andi@splitbrain.org>
759     */
760    function _html_select(){
761        global $conf;
762        $inlist = false;
763
764        if($this->who &&
765           !in_array($this->who,$this->usersgroups) &&
766           !in_array($this->who,$this->specials)){
767
768            if($this->who{0} == '@'){
769                $gsel = ' selected="selected"';
770            }else{
771                $usel   = ' selected="selected"';
772            }
773        }else{
774            $usel = '';
775            $gsel = '';
776            $inlist = true;
777        }
778
779
780        echo '<select name="acl_t" class="edit">'.NL;
781        echo '  <option value="__g__" class="aclgroup"'.$gsel.'>'.$this->getLang('acl_group').':</option>'.NL;
782        echo '  <option value="__u__"  class="acluser"'.$usel.'>'.$this->getLang('acl_user').':</option>'.NL;
783        if (!empty($this->specials)) {
784            echo '  <optgroup label="&nbsp;">'.NL;
785            foreach($this->specials as $ug){
786                if($ug == $this->who){
787                    $sel    = ' selected="selected"';
788                    $inlist = true;
789                }else{
790                    $sel = '';
791                }
792
793                if($ug{0} == '@'){
794                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
795                }else{
796                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
797                }
798            }
799            echo '  </optgroup>'.NL;
800        }
801        if (!empty($this->usersgroups)) {
802            echo '  <optgroup label="&nbsp;">'.NL;
803            foreach($this->usersgroups as $ug){
804                if($ug == $this->who){
805                    $sel    = ' selected="selected"';
806                    $inlist = true;
807                }else{
808                    $sel = '';
809                }
810
811                if($ug{0} == '@'){
812                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
813                }else{
814                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
815                }
816            }
817            echo '  </optgroup>'.NL;
818        }
819        echo '</select>'.NL;
820        return $inlist;
821    }
822}
823