xref: /dokuwiki/lib/plugins/acl/admin.php (revision 72a0f401d75ff021ae5dc3b3739f008ff4220d80) 
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
65        // namespace given?
66        if($INPUT->str('ns') == '*'){
67            $this->ns = '*';
68        }else{
69            $this->ns = cleanID($INPUT->str('ns'));
70        }
71
72        if ($INPUT->str('current_ns')) {
73            $this->current_item = array('id' => cleanID($INPUT->str('current_ns')), 'type' => 'd');
74        } elseif ($INPUT->str('current_id')) {
75            $this->current_item = array('id' => cleanID($INPUT->str('current_id')), 'type' => 'f');
76        } elseif ($this->ns) {
77            $this->current_item = array('id' => $this->ns, 'type' => 'd');
78        } else {
79            $this->current_item = array('id' => $ID, 'type' => 'f');
80        }
81
82        // user or group choosen?
83        $who = trim($INPUT->str('acl_w'));
84        if($INPUT->str('acl_t') == '__g__' && $who){
85            $this->who = '@'.ltrim($auth->cleanGroup($who),'@');
86        }elseif($INPUT->str('acl_t') == '__u__' && $who){
87            $this->who = ltrim($who,'@');
88            if($this->who != '%USER%' && $this->who != '%GROUP%'){ #keep wildcard as is
89                $this->who = $auth->cleanUser($this->who);
90            }
91        }elseif($INPUT->str('acl_t') &&
92                $INPUT->str('acl_t') != '__u__' &&
93                $INPUT->str('acl_t') != '__g__'){
94            $this->who = $INPUT->str('acl_t');
95        }elseif($who){
96            $this->who = $who;
97        }
98
99        // handle modifications
100        if($INPUT->has('cmd') && checkSecurityToken()){
101            $cmd = $INPUT->extract('cmd')->str('cmd');
102
103            // scope for modifications
104            if($this->ns){
105                if($this->ns == '*'){
106                    $scope = '*';
107                }else{
108                    $scope = $this->ns.':*';
109                }
110            }else{
111                $scope = $ID;
112            }
113
114            if($cmd == 'save' && $scope && $this->who && $INPUT->has('acl')){
115                // handle additions or single modifications
116                $this->_acl_del($scope, $this->who);
117                $this->_acl_add($scope, $this->who, $INPUT->int('acl'));
118            }elseif($cmd == 'del' && $scope && $this->who){
119                // handle single deletions
120                $this->_acl_del($scope, $this->who);
121            }elseif($cmd == 'update'){
122                $acl = $INPUT->arr('acl');
123
124                // handle update of the whole file
125                foreach($INPUT->arr('del') as $where => $names){
126                    // remove all rules marked for deletion
127                    foreach($names as $who)
128                        unset($acl[$where][$who]);
129                }
130                // prepare lines
131                $lines = array();
132                // keep header
133                foreach($AUTH_ACL as $line){
134                    if($line{0} == '#'){
135                        $lines[] = $line;
136                    }else{
137                        break;
138                    }
139                }
140                // re-add all rules
141                foreach($acl as $where => $opt){
142                    foreach($opt as $who => $perm){
143                        if ($who[0]=='@') {
144                            if ($who!='@ALL') {
145                                $who = '@'.ltrim($auth->cleanGroup($who),'@');
146                            }
147                        } elseif ($who != '%USER%' && $who != '%GROUP%'){ #keep wildcard as is
148                            $who = $auth->cleanUser($who);
149                        }
150                        $who = auth_nameencode($who,true);
151                        $lines[] = "$where\t$who\t$perm\n";
152                    }
153                }
154                // save it
155                io_saveFile($config_cascade['acl']['default'], join('',$lines));
156            }
157
158            // reload ACL config
159            $AUTH_ACL = file($config_cascade['acl']['default']);
160        }
161
162        // initialize ACL array
163        $this->_init_acl_config();
164    }
165
166    /**
167     * ACL Output function
168     *
169     * print a table with all significant permissions for the
170     * current id
171     *
172     * @author  Frank Schubert <frank@schokilade.de>
173     * @author  Andreas Gohr <andi@splitbrain.org>
174     */
175    function html() {
176        echo '<div id="acl_manager">'.NL;
177        echo '<h1>'.$this->getLang('admin_acl').'</h1>'.NL;
178        echo '<div class="level1">'.NL;
179
180        echo '<div id="acl__tree">'.NL;
181        $this->_html_explorer();
182        echo '</div>'.NL;
183
184        echo '<div id="acl__detail">'.NL;
185        $this->_html_detail();
186        echo '</div>'.NL;
187        echo '</div>'.NL;
188
189        echo '<div class="clearer"></div>';
190        echo '<h2>'.$this->getLang('current').'</h2>'.NL;
191        echo '<div class="level2">'.NL;
192        $this->_html_table();
193        echo '</div>'.NL;
194
195        echo '<div class="footnotes"><div class="fn">'.NL;
196        echo '<sup><a id="fn__1" class="fn_bot" href="#fnt__1">1)</a></sup>'.NL;
197        echo $this->getLang('p_include');
198        echo '</div></div>';
199
200        echo '</div>'.NL;
201    }
202
203    /**
204     * returns array with set options for building links
205     *
206     * @author Andreas Gohr <andi@splitbrain.org>
207     */
208    function _get_opts($addopts=null){
209        $opts = array(
210                    'do'=>'admin',
211                    'page'=>'acl',
212                );
213        if($this->ns) $opts['ns'] = $this->ns;
214        if($this->who) $opts['acl_w'] = $this->who;
215
216        if(is_null($addopts)) return $opts;
217        return array_merge($opts, $addopts);
218    }
219
220    /**
221     * Display a tree menu to select a page or namespace
222     *
223     * @author Andreas Gohr <andi@splitbrain.org>
224     */
225    function _html_explorer(){
226        global $conf;
227        global $ID;
228        global $lang;
229
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 $ID;
326
327        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
328
329        echo '<div id="acl__user">';
330        echo $this->getLang('acl_perms').' ';
331        $inl =  $this->_html_select();
332        echo '<input type="text" name="acl_w" class="edit" value="'.(($inl)?'':hsc(ltrim($this->who,'@'))).'" />'.NL;
333        echo '<input type="submit" value="'.$this->getLang('btn_select').'" class="button" />'.NL;
334        echo '</div>'.NL;
335
336        echo '<div id="acl__info">';
337        $this->_html_info();
338        echo '</div>';
339
340        echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
341        echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
342        echo '<input type="hidden" name="do" value="admin" />'.NL;
343        echo '<input type="hidden" name="page" value="acl" />'.NL;
344        echo '<input type="hidden" name="sectok" value="'.getSecurityToken().'" />'.NL;
345        echo '</div></form>'.NL;
346    }
347
348    /**
349     * Print infos and editor
350     */
351    function _html_info(){
352        global $ID;
353
354        if($this->who){
355            $current = $this->_get_exact_perm();
356
357            // explain current permissions
358            $this->_html_explain($current);
359            // load editor
360            $this->_html_acleditor($current);
361        }else{
362            echo '<p>';
363            if($this->ns){
364                printf($this->getLang('p_choose_ns'),hsc($this->ns));
365            }else{
366                printf($this->getLang('p_choose_id'),hsc($ID));
367            }
368            echo '</p>';
369
370            echo $this->locale_xhtml('help');
371        }
372    }
373
374    /**
375     * Display the ACL editor
376     *
377     * @author Andreas Gohr <andi@splitbrain.org>
378     */
379    function _html_acleditor($current){
380        global $lang;
381
382        echo '<fieldset>';
383        if(is_null($current)){
384            echo '<legend>'.$this->getLang('acl_new').'</legend>';
385        }else{
386            echo '<legend>'.$this->getLang('acl_mod').'</legend>';
387        }
388
389
390        echo $this->_html_checkboxes($current,empty($this->ns),'acl');
391
392        if(is_null($current)){
393            echo '<input type="submit" name="cmd[save]" class="button" value="'.$lang['btn_save'].'" />'.NL;
394        }else{
395            echo '<input type="submit" name="cmd[save]" class="button" value="'.$lang['btn_update'].'" />'.NL;
396            echo '<input type="submit" name="cmd[del]" class="button" value="'.$lang['btn_delete'].'" />'.NL;
397        }
398
399        echo '</fieldset>';
400    }
401
402    /**
403     * Explain the currently set permissions in plain english/$lang
404     *
405     * @author Andreas Gohr <andi@splitbrain.org>
406     */
407    function _html_explain($current){
408        global $ID;
409        global $auth;
410
411        $who = $this->who;
412        $ns  = $this->ns;
413
414        // prepare where to check
415        if($ns){
416            if($ns == '*'){
417                $check='*';
418            }else{
419                $check=$ns.':*';
420            }
421        }else{
422            $check = $ID;
423        }
424
425        // prepare who to check
426        if($who{0} == '@'){
427            $user   = '';
428            $groups = array(ltrim($who,'@'));
429        }else{
430            $user = $who;
431            $info = $auth->getUserData($user);
432            if($info === false){
433                $groups = array();
434            }else{
435                $groups = $info['grps'];
436            }
437        }
438
439        // check the permissions
440        $perm = auth_aclcheck($check,$user,$groups);
441
442        // build array of named permissions
443        $names = array();
444        if($perm){
445            if($ns){
446                if($perm >= AUTH_DELETE) $names[] = $this->getLang('acl_perm16');
447                if($perm >= AUTH_UPLOAD) $names[] = $this->getLang('acl_perm8');
448                if($perm >= AUTH_CREATE) $names[] = $this->getLang('acl_perm4');
449            }
450            if($perm >= AUTH_EDIT) $names[] = $this->getLang('acl_perm2');
451            if($perm >= AUTH_READ) $names[] = $this->getLang('acl_perm1');
452            $names = array_reverse($names);
453        }else{
454            $names[] = $this->getLang('acl_perm0');
455        }
456
457        // print permission explanation
458        echo '<p>';
459        if($user){
460            if($ns){
461                printf($this->getLang('p_user_ns'),hsc($who),hsc($ns),join(', ',$names));
462            }else{
463                printf($this->getLang('p_user_id'),hsc($who),hsc($ID),join(', ',$names));
464            }
465        }else{
466            if($ns){
467                printf($this->getLang('p_group_ns'),hsc(ltrim($who,'@')),hsc($ns),join(', ',$names));
468            }else{
469                printf($this->getLang('p_group_id'),hsc(ltrim($who,'@')),hsc($ID),join(', ',$names));
470            }
471        }
472        echo '</p>';
473
474        // add note if admin
475        if($perm == AUTH_ADMIN){
476            echo '<p>'.$this->getLang('p_isadmin').'</p>';
477        }elseif(is_null($current)){
478            echo '<p>'.$this->getLang('p_inherited').'</p>';
479        }
480    }
481
482
483    /**
484     * Item formatter for the tree view
485     *
486     * User function for html_buildlist()
487     *
488     * @author Andreas Gohr <andi@splitbrain.org>
489     */
490    function _html_list_acl($item){
491        $ret = '';
492        // what to display
493        if($item['label']){
494            $base = $item['label'];
495        }else{
496            $base = ':'.$item['id'];
497            $base = substr($base,strrpos($base,':')+1);
498        }
499
500        // highlight?
501        if( ($item['type']== $this->current_item['type'] && $item['id'] == $this->current_item['id']))
502            $cl = ' cur';
503
504        // namespace or page?
505        if($item['type']=='d'){
506            if($item['open']){
507                $img   = DOKU_BASE.'lib/images/minus.gif';
508                $alt   = '−';
509            }else{
510                $img   = DOKU_BASE.'lib/images/plus.gif';
511                $alt   = '+';
512            }
513            $ret .= '<img src="'.$img.'" alt="'.$alt.'" />';
514            $ret .= '<a href="'.wl('',$this->_get_opts(array('ns'=>$item['id'],'sectok'=>getSecurityToken()))).'" class="idx_dir'.$cl.'">';
515            $ret .= $base;
516            $ret .= '</a>';
517        }else{
518            $ret .= '<a href="'.wl('',$this->_get_opts(array('id'=>$item['id'],'ns'=>'','sectok'=>getSecurityToken()))).'" class="wikilink1'.$cl.'">';
519            $ret .= noNS($item['id']);
520            $ret .= '</a>';
521        }
522        return $ret;
523    }
524
525
526    function _html_li_acl($item){
527        return '<li class="level' . $item['level'] . ' ' .
528               ($item['open'] ? 'open' : 'closed') . '">';
529    }
530
531
532    /**
533     * Get current ACL settings as multidim array
534     *
535     * @author Andreas Gohr <andi@splitbrain.org>
536     */
537    function _init_acl_config(){
538        global $AUTH_ACL;
539        global $conf;
540        $acl_config=array();
541        $usersgroups = array();
542
543        // get special users and groups
544        $this->specials[] = '@ALL';
545        $this->specials[] = '@'.$conf['defaultgroup'];
546        if($conf['manager'] != '!!not set!!'){
547            $this->specials = array_merge($this->specials,
548                                          array_map('trim',
549                                                    explode(',',$conf['manager'])));
550        }
551        $this->specials = array_filter($this->specials);
552        $this->specials = array_unique($this->specials);
553        sort($this->specials);
554
555        foreach($AUTH_ACL as $line){
556            $line = trim(preg_replace('/#.*$/','',$line)); //ignore comments
557            if(!$line) continue;
558
559            $acl = preg_split('/\s+/',$line);
560            //0 is pagename, 1 is user, 2 is acl
561
562            $acl[1] = rawurldecode($acl[1]);
563            $acl_config[$acl[0]][$acl[1]] = $acl[2];
564
565            // store non-special users and groups for later selection dialog
566            $ug = $acl[1];
567            if(in_array($ug,$this->specials)) continue;
568            $usersgroups[] = $ug;
569        }
570
571        $usersgroups = array_unique($usersgroups);
572        sort($usersgroups);
573        ksort($acl_config);
574
575        $this->acl = $acl_config;
576        $this->usersgroups = $usersgroups;
577    }
578
579    /**
580     * Display all currently set permissions in a table
581     *
582     * @author Andreas Gohr <andi@splitbrain.org>
583     */
584    function _html_table(){
585        global $lang;
586        global $ID;
587
588        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
589        if($this->ns){
590            echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
591        }else{
592            echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
593        }
594        echo '<input type="hidden" name="acl_w" value="'.hsc($this->who).'" />'.NL;
595        echo '<input type="hidden" name="do" value="admin" />'.NL;
596        echo '<input type="hidden" name="page" value="acl" />'.NL;
597        echo '<input type="hidden" name="sectok" value="'.getSecurityToken().'" />'.NL;
598        echo '<div class="table">';
599        echo '<table class="inline">';
600        echo '<tr>';
601        echo '<th>'.$this->getLang('where').'</th>';
602        echo '<th>'.$this->getLang('who').'</th>';
603        echo '<th>'.$this->getLang('perm').'<sup><a id="fnt__1" class="fn_top" href="#fn__1">1)</a></sup></th>';
604        echo '<th>'.$lang['btn_delete'].'</th>';
605        echo '</tr>';
606        foreach($this->acl as $where => $set){
607            foreach($set as $who => $perm){
608                echo '<tr>';
609                echo '<td>';
610                if(substr($where,-1) == '*'){
611                    echo '<span class="aclns">'.hsc($where).'</span>';
612                    $ispage = false;
613                }else{
614                    echo '<span class="aclpage">'.hsc($where).'</span>';
615                    $ispage = true;
616                }
617                echo '</td>';
618
619                echo '<td>';
620                if($who{0} == '@'){
621                    echo '<span class="aclgroup">'.hsc($who).'</span>';
622                }else{
623                    echo '<span class="acluser">'.hsc($who).'</span>';
624                }
625                echo '</td>';
626
627                echo '<td>';
628                echo $this->_html_checkboxes($perm,$ispage,'acl['.$where.']['.$who.']');
629                echo '</td>';
630
631                echo '<td class="check">';
632                echo '<input type="checkbox" name="del['.hsc($where).'][]" value="'.hsc($who).'" />';
633                echo '</td>';
634                echo '</tr>';
635            }
636        }
637
638        echo '<tr>';
639        echo '<th class="action" colspan="4">';
640        echo '<input type="submit" value="'.$lang['btn_update'].'" name="cmd[update]" class="button" />';
641        echo '</th>';
642        echo '</tr>';
643        echo '</table>';
644        echo '</div>';
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) $setperm = 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.'"'.$class.'>';
748            $ret .= '<input '.buildAttributes($atts).' />&#160;';
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        $inlist = false;
762
763        if($this->who &&
764           !in_array($this->who,$this->usersgroups) &&
765           !in_array($this->who,$this->specials)){
766
767            if($this->who{0} == '@'){
768                $gsel = ' selected="selected"';
769            }else{
770                $usel   = ' selected="selected"';
771            }
772        }else{
773            $usel = '';
774            $gsel = '';
775            $inlist = true;
776        }
777
778
779        echo '<select name="acl_t" class="edit">'.NL;
780        echo '  <option value="__g__" class="aclgroup"'.$gsel.'>'.$this->getLang('acl_group').':</option>'.NL;
781        echo '  <option value="__u__"  class="acluser"'.$usel.'>'.$this->getLang('acl_user').':</option>'.NL;
782        if (!empty($this->specials)) {
783            echo '  <optgroup label="&#160;">'.NL;
784            foreach($this->specials as $ug){
785                if($ug == $this->who){
786                    $sel    = ' selected="selected"';
787                    $inlist = true;
788                }else{
789                    $sel = '';
790                }
791
792                if($ug{0} == '@'){
793                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
794                }else{
795                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
796                }
797            }
798            echo '  </optgroup>'.NL;
799        }
800        if (!empty($this->usersgroups)) {
801            echo '  <optgroup label="&#160;">'.NL;
802            foreach($this->usersgroups as $ug){
803                if($ug == $this->who){
804                    $sel    = ' selected="selected"';
805                    $inlist = true;
806                }else{
807                    $sel = '';
808                }
809
810                if($ug{0} == '@'){
811                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
812                }else{
813                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
814                }
815            }
816            echo '  </optgroup>'.NL;
817        }
818        echo '</select>'.NL;
819        return $inlist;
820    }
821}
822