Failed Conditions
Push — stable ( 017e16...b83837 )
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unknown
10:45 queued 07:58
created

admin_plugin_acl::addOrUpdateACL()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 17

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 3
nc 3
nop 3
dl 0
loc 17
rs 9.7
c 0
b 0
f 0
1
<?php
2
/**
3
 * ACL administration functions
4
 *
5
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6
 * @author     Andreas Gohr <[email protected]>
7
 * @author     Anika Henke <[email protected]> (concepts)
8
 * @author     Frank Schubert <[email protected]> (old version)
9
 */
10
11
/**
12
 * All DokuWiki plugins to extend the admin function
13
 * need to inherit from this class
14
 */
15
class admin_plugin_acl extends DokuWiki_Admin_Plugin
16
{
17
    public $acl = null;
18
    protected $ns  = null;
19
    /**
20
     * The currently selected item, associative array with id and type.
21
     * Populated from (in this order):
22
     * $_REQUEST['current_ns']
23
     * $_REQUEST['current_id']
24
     * $ns
25
     * $ID
26
     */
27
    protected $current_item = null;
28
    protected $who = '';
29
    protected $usersgroups = array();
30
    protected $specials = array();
31
32
    /**
33
     * return prompt for admin menu
34
     */
35
    public function getMenuText($language)
36
    {
37
        return $this->getLang('admin_acl');
38
    }
39
40
    /**
41
     * return sort order for position in admin menu
42
     */
43
    public function getMenuSort()
44
    {
45
        return 1;
46
    }
47
48
    /**
49
     * handle user request
50
     *
51
     * Initializes internal vars and handles modifications
52
     *
53
     * @author Andreas Gohr <[email protected]>
54
     */
55
    public function handle()
56
    {
57
        global $AUTH_ACL;
58
        global $ID;
59
        global $auth;
60
        global $config_cascade;
61
        global $INPUT;
62
63
        // fresh 1:1 copy without replacements
64
        $AUTH_ACL = file($config_cascade['acl']['default']);
65
66
        // namespace given?
67
        if ($INPUT->str('ns') == '*') {
68
            $this->ns = '*';
69
        } else {
70
            $this->ns = cleanID($INPUT->str('ns'));
71
        }
72
73
        if ($INPUT->str('current_ns')) {
74
            $this->current_item = array('id' => cleanID($INPUT->str('current_ns')), 'type' => 'd');
75
        } elseif ($INPUT->str('current_id')) {
76
            $this->current_item = array('id' => cleanID($INPUT->str('current_id')), 'type' => 'f');
77
        } elseif ($this->ns) {
78
            $this->current_item = array('id' => $this->ns, 'type' => 'd');
79
        } else {
80
            $this->current_item = array('id' => $ID, 'type' => 'f');
81
        }
82
83
        // user or group choosen?
84
        $who = trim($INPUT->str('acl_w'));
85
        if ($INPUT->str('acl_t') == '__g__' && $who) {
86
            $this->who = '@'.ltrim($auth->cleanGroup($who), '@');
87
        } elseif ($INPUT->str('acl_t') == '__u__' && $who) {
88
            $this->who = ltrim($who, '@');
89
            if ($this->who != '%USER%' && $this->who != '%GROUP%') { #keep wildcard as is
90
                $this->who = $auth->cleanUser($this->who);
91
            }
92
        } elseif ($INPUT->str('acl_t') &&
93
                $INPUT->str('acl_t') != '__u__' &&
94
                $INPUT->str('acl_t') != '__g__') {
95
            $this->who = $INPUT->str('acl_t');
96
        } elseif ($who) {
97
            $this->who = $who;
98
        }
99
100
        // handle modifications
101
        if ($INPUT->has('cmd') && checkSecurityToken()) {
102
            $cmd = $INPUT->extract('cmd')->str('cmd');
103
104
            // scope for modifications
105
            if ($this->ns) {
106
                if ($this->ns == '*') {
107
                    $scope = '*';
108
                } else {
109
                    $scope = $this->ns.':*';
110
                }
111
            } else {
112
                $scope = $ID;
113
            }
114
115
            if ($cmd == 'save' && $scope && $this->who && $INPUT->has('acl')) {
116
                // handle additions or single modifications
117
                $this->deleteACL($scope, $this->who);
118
                $this->addOrUpdateACL($scope, $this->who, $INPUT->int('acl'));
119
            } elseif ($cmd == 'del' && $scope && $this->who) {
120
                // handle single deletions
121
                $this->deleteACL($scope, $this->who);
122
            } elseif ($cmd == 'update') {
123
                $acl = $INPUT->arr('acl');
124
125
                // handle update of the whole file
126
                foreach ($INPUT->arr('del') as $where => $names) {
127
                    // remove all rules marked for deletion
128
                    foreach ($names as $who)
129
                        unset($acl[$where][$who]);
130
                }
131
                // prepare lines
132
                $lines = array();
133
                // keep header
134
                foreach ($AUTH_ACL as $line) {
135
                    if ($line[0] == '#') {
136
                        $lines[] = $line;
137
                    } else {
138
                        break;
139
                    }
140
                }
141
                // re-add all rules
142
                foreach ($acl as $where => $opt) {
143
                    foreach ($opt as $who => $perm) {
144
                        if ($who[0]=='@') {
145
                            if ($who!='@ALL') {
146
                                $who = '@'.ltrim($auth->cleanGroup($who), '@');
147
                            }
148
                        } elseif ($who != '%USER%' && $who != '%GROUP%') { #keep wildcard as is
149
                            $who = $auth->cleanUser($who);
150
                        }
151
                        $who = auth_nameencode($who, true);
152
                        $lines[] = "$where\t$who\t$perm\n";
153
                    }
154
                }
155
                // save it
156
                io_saveFile($config_cascade['acl']['default'], join('', $lines));
157
            }
158
159
            // reload ACL config
160
            $AUTH_ACL = file($config_cascade['acl']['default']);
161
        }
162
163
        // initialize ACL array
164
        $this->initAclConfig();
165
    }
166
167
    /**
168
     * ACL Output function
169
     *
170
     * print a table with all significant permissions for the
171
     * current id
172
     *
173
     * @author  Frank Schubert <[email protected]>
174
     * @author  Andreas Gohr <[email protected]>
175
     */
176
    public function html()
177
    {
178
        echo '<div id="acl_manager">'.NL;
179
        echo '<h1>'.$this->getLang('admin_acl').'</h1>'.NL;
180
        echo '<div class="level1">'.NL;
181
182
        echo '<div id="acl__tree">'.NL;
183
        $this->makeExplorer();
184
        echo '</div>'.NL;
185
186
        echo '<div id="acl__detail">'.NL;
187
        $this->printDetail();
188
        echo '</div>'.NL;
189
        echo '</div>'.NL;
190
191
        echo '<div class="clearer"></div>';
192
        echo '<h2>'.$this->getLang('current').'</h2>'.NL;
193
        echo '<div class="level2">'.NL;
194
        $this->printAclTable();
195
        echo '</div>'.NL;
196
197
        echo '<div class="footnotes"><div class="fn">'.NL;
198
        echo '<sup><a id="fn__1" class="fn_bot" href="#fnt__1">1)</a></sup>'.NL;
199
        echo '<div class="content">'.$this->getLang('p_include').'</div>';
200
        echo '</div></div>';
201
202
        echo '</div>'.NL;
203
    }
204
205
    /**
206
     * returns array with set options for building links
207
     *
208
     * @author Andreas Gohr <[email protected]>
209
     */
210
    protected function getLinkOptions($addopts = null)
211
    {
212
        $opts = array(
213
                    'do'=>'admin',
214
                    'page'=>'acl',
215
                );
216
        if ($this->ns) $opts['ns'] = $this->ns;
217
        if ($this->who) $opts['acl_w'] = $this->who;
218
219
        if (is_null($addopts)) return $opts;
220
        return array_merge($opts, $addopts);
221
    }
222
223
    /**
224
     * Display a tree menu to select a page or namespace
225
     *
226
     * @author Andreas Gohr <[email protected]>
227
     */
228
    protected function makeExplorer()
229
    {
230
        global $conf;
231
        global $ID;
232
        global $lang;
233
234
        $ns  = $this->ns;
235
        if (empty($ns)) {
236
            $ns = dirname(str_replace(':', '/', $ID));
237
            if ($ns == '.') $ns ='';
238
        } elseif ($ns == '*') {
239
            $ns ='';
240
        }
241
        $ns  = utf8_encodeFN(str_replace(':', '/', $ns));
242
243
        $data = $this->makeTree($ns);
244
245
        // wrap a list with the root level around the other namespaces
246
        array_unshift($data, array( 'level' => 0, 'id' => '*', 'type' => 'd',
247
                   'open' =>'true', 'label' => '['.$lang['mediaroot'].']'));
248
249
        echo html_buildlist(
250
            $data,
251
            'acl',
252
            array($this, 'makeTreeItem'),
253
            array($this, 'makeListItem')
254
        );
255
    }
256
257
    /**
258
     * get a combined list of media and page files
259
     *
260
     * also called via AJAX
261
     *
262
     * @param string $folder an already converted filesystem folder of the current namespace
263
     * @param string $limit limit the search to this folder
264
     * @return array
265
     */
266
    public function makeTree($folder, $limit = '')
267
    {
268
        global $conf;
269
270
        // read tree structure from pages and media
271
        $data = array();
272
        search($data, $conf['datadir'], 'search_index', array('ns' => $folder), $limit);
273
        $media = array();
274
        search($media, $conf['mediadir'], 'search_index', array('ns' => $folder, 'nofiles' => true), $limit);
275
        $data = array_merge($data, $media);
276
        unset($media);
277
278
        // combine by sorting and removing duplicates
279
        usort($data, array($this, 'treeSort'));
280
        $count = count($data);
281
        if ($count>0) for ($i=1; $i<$count; $i++) {
282
            if ($data[$i-1]['id'] == $data[$i]['id'] && $data[$i-1]['type'] == $data[$i]['type']) {
283
                unset($data[$i]);
284
                $i++;  // duplicate found, next $i can't be a duplicate, so skip forward one
285
            }
286
        }
287
        return $data;
288
    }
289
290
    /**
291
     * usort callback
292
     *
293
     * Sorts the combined trees of media and page files
294
     */
295
    public function treeSort($a, $b)
296
    {
297
        // handle the trivial cases first
298
        if ($a['id'] == '') return -1;
299
        if ($b['id'] == '') return 1;
300
        // split up the id into parts
301
        $a_ids = explode(':', $a['id']);
302
        $b_ids = explode(':', $b['id']);
303
        // now loop through the parts
304
        while (count($a_ids) && count($b_ids)) {
305
            // compare each level from upper to lower
306
            // until a non-equal component is found
307
            $cur_result = strcmp(array_shift($a_ids), array_shift($b_ids));
308
            if ($cur_result) {
309
                // if one of the components is the last component and is a file
310
                // and the other one is either of a deeper level or a directory,
311
                // the file has to come after the deeper level or directory
312
                if (empty($a_ids) && $a['type'] == 'f' && (count($b_ids) || $b['type'] == 'd')) return 1;
313
                if (empty($b_ids) && $b['type'] == 'f' && (count($a_ids) || $a['type'] == 'd')) return -1;
314
                return $cur_result;
315
            }
316
        }
317
        // The two ids seem to be equal. One of them might however refer
318
        // to a page, one to a namespace, the namespace needs to be first.
319
        if (empty($a_ids) && empty($b_ids)) {
320
            if ($a['type'] == $b['type']) return 0;
321
            if ($a['type'] == 'f') return 1;
322
            return -1;
323
        }
324
        // Now the empty part is either a page in the parent namespace
325
        // that obviously needs to be after the namespace
326
        // Or it is the namespace that contains the other part and should be
327
        // before that other part.
328
        if (empty($a_ids)) return ($a['type'] == 'd') ? -1 : 1;
329
        if (empty($b_ids)) return ($b['type'] == 'd') ? 1 : -1;
330
        return 0; //shouldn't happen
331
    }
332
333
    /**
334
     * Display the current ACL for selected where/who combination with
335
     * selectors and modification form
336
     *
337
     * @author Andreas Gohr <[email protected]>
338
     */
339
    protected function printDetail()
340
    {
341
        global $ID;
342
343
        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
344
345
        echo '<div id="acl__user">';
346
        echo $this->getLang('acl_perms').' ';
347
        $inl =  $this->makeSelect();
348
        echo '<input type="text" name="acl_w" class="edit" value="'.(($inl)?'':hsc(ltrim($this->who, '@'))).'" />'.NL;
349
        echo '<button type="submit">'.$this->getLang('btn_select').'</button>'.NL;
350
        echo '</div>'.NL;
351
352
        echo '<div id="acl__info">';
353
        $this->printInfo();
354
        echo '</div>';
355
356
        echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
357
        echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
358
        echo '<input type="hidden" name="do" value="admin" />'.NL;
359
        echo '<input type="hidden" name="page" value="acl" />'.NL;
360
        echo '<input type="hidden" name="sectok" value="'.getSecurityToken().'" />'.NL;
361
        echo '</div></form>'.NL;
362
    }
363
364
    /**
365
     * Print info and editor
366
     *
367
     * also loaded via Ajax
368
     */
369
    public function printInfo()
370
    {
371
        global $ID;
372
373
        if ($this->who) {
374
            $current = $this->getExactPermisson();
375
376
            // explain current permissions
377
            $this->printExplanation($current);
378
            // load editor
379
            $this->printAclEditor($current);
380
        } else {
381
            echo '<p>';
382
            if ($this->ns) {
383
                printf($this->getLang('p_choose_ns'), hsc($this->ns));
384
            } else {
385
                printf($this->getLang('p_choose_id'), hsc($ID));
386
            }
387
            echo '</p>';
388
389
            echo $this->locale_xhtml('help');
390
        }
391
    }
392
393
    /**
394
     * Display the ACL editor
395
     *
396
     * @author Andreas Gohr <[email protected]>
397
     */
398
    protected function printAclEditor($current)
399
    {
400
        global $lang;
401
402
        echo '<fieldset>';
403
        if (is_null($current)) {
404
            echo '<legend>'.$this->getLang('acl_new').'</legend>';
405
        } else {
406
            echo '<legend>'.$this->getLang('acl_mod').'</legend>';
407
        }
408
409
        echo $this->makeCheckboxes($current, empty($this->ns), 'acl');
410
411
        if (is_null($current)) {
412
            echo '<button type="submit" name="cmd[save]">'.$lang['btn_save'].'</button>'.NL;
413
        } else {
414
            echo '<button type="submit" name="cmd[save]">'.$lang['btn_update'].'</button>'.NL;
415
            echo '<button type="submit" name="cmd[del]">'.$lang['btn_delete'].'</button>'.NL;
416
        }
417
418
        echo '</fieldset>';
419
    }
420
421
    /**
422
     * Explain the currently set permissions in plain english/$lang
423
     *
424
     * @author Andreas Gohr <[email protected]>
425
     */
426
    protected function printExplanation($current)
427
    {
428
        global $ID;
429
        global $auth;
430
431
        $who = $this->who;
432
        $ns  = $this->ns;
433
434
        // prepare where to check
435
        if ($ns) {
436
            if ($ns == '*') {
437
                $check='*';
438
            } else {
439
                $check=$ns.':*';
440
            }
441
        } else {
442
            $check = $ID;
443
        }
444
445
        // prepare who to check
446
        if ($who[0] == '@') {
447
            $user   = '';
448
            $groups = array(ltrim($who, '@'));
449
        } else {
450
            $user = $who;
451
            $info = $auth->getUserData($user);
452
            if ($info === false) {
453
                $groups = array();
454
            } else {
455
                $groups = $info['grps'];
456
            }
457
        }
458
459
        // check the permissions
460
        $perm = auth_aclcheck($check, $user, $groups);
461
462
        // build array of named permissions
463
        $names = array();
464
        if ($perm) {
465
            if ($ns) {
466
                if ($perm >= AUTH_DELETE) $names[] = $this->getLang('acl_perm16');
467
                if ($perm >= AUTH_UPLOAD) $names[] = $this->getLang('acl_perm8');
468
                if ($perm >= AUTH_CREATE) $names[] = $this->getLang('acl_perm4');
469
            }
470
            if ($perm >= AUTH_EDIT) $names[] = $this->getLang('acl_perm2');
471
            if ($perm >= AUTH_READ) $names[] = $this->getLang('acl_perm1');
472
            $names = array_reverse($names);
473
        } else {
474
            $names[] = $this->getLang('acl_perm0');
475
        }
476
477
        // print permission explanation
478
        echo '<p>';
479
        if ($user) {
480
            if ($ns) {
481
                printf($this->getLang('p_user_ns'), hsc($who), hsc($ns), join(', ', $names));
482
            } else {
483
                printf($this->getLang('p_user_id'), hsc($who), hsc($ID), join(', ', $names));
484
            }
485
        } else {
486
            if ($ns) {
487
                printf($this->getLang('p_group_ns'), hsc(ltrim($who, '@')), hsc($ns), join(', ', $names));
488
            } else {
489
                printf($this->getLang('p_group_id'), hsc(ltrim($who, '@')), hsc($ID), join(', ', $names));
490
            }
491
        }
492
        echo '</p>';
493
494
        // add note if admin
495
        if ($perm == AUTH_ADMIN) {
496
            echo '<p>'.$this->getLang('p_isadmin').'</p>';
497
        } elseif (is_null($current)) {
498
            echo '<p>'.$this->getLang('p_inherited').'</p>';
499
        }
500
    }
501
502
503
    /**
504
     * Item formatter for the tree view
505
     *
506
     * User function for html_buildlist()
507
     *
508
     * @author Andreas Gohr <[email protected]>
509
     */
510
    public function makeTreeItem($item)
511
    {
512
        $ret = '';
513
        // what to display
514
        if (!empty($item['label'])) {
515
            $base = $item['label'];
516
        } else {
517
            $base = ':'.$item['id'];
518
            $base = substr($base, strrpos($base, ':')+1);
519
        }
520
521
        // highlight?
522
        if (($item['type']== $this->current_item['type'] && $item['id'] == $this->current_item['id'])) {
523
            $cl = ' cur';
524
        } else {
525
            $cl = '';
526
        }
527
528
        // namespace or page?
529
        if ($item['type']=='d') {
530
            if ($item['open']) {
531
                $img   = DOKU_BASE.'lib/images/minus.gif';
532
                $alt   = '−';
533
            } else {
534
                $img   = DOKU_BASE.'lib/images/plus.gif';
535
                $alt   = '+';
536
            }
537
            $ret .= '<img src="'.$img.'" alt="'.$alt.'" />';
538
            $ret .= '<a href="'.
539
                wl('', $this->getLinkOptions(array('ns'=> $item['id'], 'sectok'=>getSecurityToken()))).
540
                '" class="idx_dir'.$cl.'">';
541
            $ret .= $base;
542
            $ret .= '</a>';
543
        } else {
544
            $ret .= '<a href="'.
545
                wl('', $this->getLinkOptions(array('id'=> $item['id'], 'ns'=>'', 'sectok'=>getSecurityToken()))).
546
                '" class="wikilink1'.$cl.'">';
547
            $ret .= noNS($item['id']);
548
            $ret .= '</a>';
549
        }
550
        return $ret;
551
    }
552
553
    /**
554
     * List Item formatter
555
     *
556
     * @param array $item
557
     * @return string
558
     */
559
    public function makeListItem($item)
560
    {
561
        return '<li class="level' . $item['level'] . ' ' .
562
               ($item['open'] ? 'open' : 'closed') . '">';
563
    }
564
565
566
    /**
567
     * Get current ACL settings as multidim array
568
     *
569
     * @author Andreas Gohr <[email protected]>
570
     */
571
    public function initAclConfig()
572
    {
573
        global $AUTH_ACL;
574
        global $conf;
575
        $acl_config=array();
576
        $usersgroups = array();
577
578
        // get special users and groups
579
        $this->specials[] = '@ALL';
580
        $this->specials[] = '@'.$conf['defaultgroup'];
581
        if ($conf['manager'] != '!!not set!!') {
582
            $this->specials = array_merge(
583
                $this->specials,
584
                array_map(
585
                    'trim',
586
                    explode(',', $conf['manager'])
587
                )
588
            );
589
        }
590
        $this->specials = array_filter($this->specials);
591
        $this->specials = array_unique($this->specials);
592
        sort($this->specials);
593
594
        foreach ($AUTH_ACL as $line) {
595
            $line = trim(preg_replace('/#.*$/', '', $line)); //ignore comments
596
            if (!$line) continue;
597
598
            $acl = preg_split('/[ \t]+/', $line);
599
            //0 is pagename, 1 is user, 2 is acl
600
601
            $acl[1] = rawurldecode($acl[1]);
602
            $acl_config[$acl[0]][$acl[1]] = $acl[2];
603
604
            // store non-special users and groups for later selection dialog
605
            $ug = $acl[1];
606
            if (in_array($ug, $this->specials)) continue;
607
            $usersgroups[] = $ug;
608
        }
609
610
        $usersgroups = array_unique($usersgroups);
611
        sort($usersgroups);
612
        ksort($acl_config);
613
614
        $this->acl = $acl_config;
615
        $this->usersgroups = $usersgroups;
616
    }
617
618
    /**
619
     * Display all currently set permissions in a table
620
     *
621
     * @author Andreas Gohr <[email protected]>
622
     */
623
    protected function printAclTable()
624
    {
625
        global $lang;
626
        global $ID;
627
628
        echo '<form action="'.wl().'" method="post" accept-charset="utf-8"><div class="no">'.NL;
629
        if ($this->ns) {
630
            echo '<input type="hidden" name="ns" value="'.hsc($this->ns).'" />'.NL;
631
        } else {
632
            echo '<input type="hidden" name="id" value="'.hsc($ID).'" />'.NL;
633
        }
634
        echo '<input type="hidden" name="acl_w" value="'.hsc($this->who).'" />'.NL;
635
        echo '<input type="hidden" name="do" value="admin" />'.NL;
636
        echo '<input type="hidden" name="page" value="acl" />'.NL;
637
        echo '<input type="hidden" name="sectok" value="'.getSecurityToken().'" />'.NL;
638
        echo '<div class="table">';
639
        echo '<table class="inline">';
640
        echo '<tr>';
641
        echo '<th>'.$this->getLang('where').'</th>';
642
        echo '<th>'.$this->getLang('who').'</th>';
643
        echo '<th>'.$this->getLang('perm').'<sup><a id="fnt__1" class="fn_top" href="#fn__1">1)</a></sup></th>';
644
        echo '<th>'.$lang['btn_delete'].'</th>';
645
        echo '</tr>';
646
        foreach ($this->acl as $where => $set) {
647
            foreach ($set as $who => $perm) {
648
                echo '<tr>';
649
                echo '<td>';
650
                if (substr($where, -1) == '*') {
651
                    echo '<span class="aclns">'.hsc($where).'</span>';
652
                    $ispage = false;
653
                } else {
654
                    echo '<span class="aclpage">'.hsc($where).'</span>';
655
                    $ispage = true;
656
                }
657
                echo '</td>';
658
659
                echo '<td>';
660
                if ($who[0] == '@') {
661
                    echo '<span class="aclgroup">'.hsc($who).'</span>';
662
                } else {
663
                    echo '<span class="acluser">'.hsc($who).'</span>';
664
                }
665
                echo '</td>';
666
667
                echo '<td>';
668
                echo $this->makeCheckboxes($perm, $ispage, 'acl['.$where.']['.$who.']');
669
                echo '</td>';
670
671
                echo '<td class="check">';
672
                echo '<input type="checkbox" name="del['.hsc($where).'][]" value="'.hsc($who).'" />';
673
                echo '</td>';
674
                echo '</tr>';
675
            }
676
        }
677
678
        echo '<tr>';
679
        echo '<th class="action" colspan="4">';
680
        echo '<button type="submit" name="cmd[update]">'.$lang['btn_update'].'</button>';
681
        echo '</th>';
682
        echo '</tr>';
683
        echo '</table>';
684
        echo '</div>';
685
        echo '</div></form>'.NL;
686
    }
687
688
    /**
689
     * Returns the permission which were set for exactly the given user/group
690
     * and page/namespace. Returns null if no exact match is available
691
     *
692
     * @author Andreas Gohr <[email protected]>
693
     */
694
    protected function getExactPermisson()
695
    {
696
        global $ID;
697
        if ($this->ns) {
698
            if ($this->ns == '*') {
699
                $check = '*';
700
            } else {
701
                $check = $this->ns.':*';
702
            }
703
        } else {
704
            $check = $ID;
705
        }
706
707
        if (isset($this->acl[$check][$this->who])) {
708
            return $this->acl[$check][$this->who];
709
        } else {
710
            return null;
711
        }
712
    }
713
714
    /**
715
     * adds new acl-entry to conf/acl.auth.php
716
     *
717
     * @author  Frank Schubert <[email protected]>
718
     */
719
    public function addOrUpdateACL($acl_scope, $acl_user, $acl_level)
720
    {
721
        global $config_cascade;
722
723
        // first make sure we won't end up with 2 lines matching this user and scope. See issue #1115
724
        $this->deleteACL($acl_scope, $acl_user);
725
        $acl_user = auth_nameencode($acl_user, true);
726
727
        // max level for pagenames is edit
728
        if (strpos($acl_scope, '*') === false) {
729
            if ($acl_level > AUTH_EDIT) $acl_level = AUTH_EDIT;
730
        }
731
732
        $new_acl = "$acl_scope\t$acl_user\t$acl_level\n";
733
734
        return io_saveFile($config_cascade['acl']['default'], $new_acl, true);
735
    }
736
737
    /**
738
     * remove acl-entry from conf/acl.auth.php
739
     *
740
     * @author  Frank Schubert <[email protected]>
741
     */
742
    public function deleteACL($acl_scope, $acl_user)
743
    {
744
        global $config_cascade;
745
        $acl_user = auth_nameencode($acl_user, true);
746
747
        $acl_pattern = '^'.preg_quote($acl_scope, '/').'[ \t]+'.$acl_user.'[ \t]+[0-8].*$';
748
749
        return io_deleteFromFile($config_cascade['acl']['default'], "/$acl_pattern/", true);
750
    }
751
752
    /**
753
     * print the permission radio boxes
754
     *
755
     * @author  Frank Schubert <[email protected]>
756
     * @author  Andreas Gohr <[email protected]>
757
     */
758
    protected function makeCheckboxes($setperm, $ispage, $name)
759
    {
760
        global $lang;
761
762
        static $label = 0; //number labels
763
        $ret = '';
764
765
        if ($ispage && $setperm > AUTH_EDIT) $setperm = AUTH_EDIT;
766
767
        foreach (array(AUTH_NONE,AUTH_READ,AUTH_EDIT,AUTH_CREATE,AUTH_UPLOAD,AUTH_DELETE) as $perm) {
768
            $label += 1;
769
770
            //general checkbox attributes
771
            $atts = array( 'type'  => 'radio',
772
                           'id'    => 'pbox'.$label,
773
                           'name'  => $name,
774
                           'value' => $perm );
775
            //dynamic attributes
776
            if (!is_null($setperm) && $setperm == $perm) $atts['checked']  = 'checked';
777
            if ($ispage && $perm > AUTH_EDIT) {
778
                $atts['disabled'] = 'disabled';
779
                $class = ' class="disabled"';
780
            } else {
781
                $class = '';
782
            }
783
784
            //build code
785
            $ret .= '<label for="pbox'.$label.'"'.$class.'>';
786
            $ret .= '<input '.buildAttributes($atts).' />&#160;';
787
            $ret .= $this->getLang('acl_perm'.$perm);
788
            $ret .= '</label>'.NL;
789
        }
790
        return $ret;
791
    }
792
793
    /**
794
     * Print a user/group selector (reusing already used users and groups)
795
     *
796
     * @author  Andreas Gohr <[email protected]>
797
     */
798
    protected function makeSelect()
799
    {
800
        $inlist = false;
801
        $usel = '';
802
        $gsel = '';
803
804
        if ($this->who &&
805
           !in_array($this->who, $this->usersgroups) &&
806
           !in_array($this->who, $this->specials)) {
807
            if ($this->who[0] == '@') {
808
                $gsel = ' selected="selected"';
809
            } else {
810
                $usel = ' selected="selected"';
811
            }
812
        } else {
813
            $inlist = true;
814
        }
815
816
        echo '<select name="acl_t" class="edit">'.NL;
817
        echo '  <option value="__g__" class="aclgroup"'.$gsel.'>'.$this->getLang('acl_group').'</option>'.NL;
818
        echo '  <option value="__u__"  class="acluser"'.$usel.'>'.$this->getLang('acl_user').'</option>'.NL;
819
        if (!empty($this->specials)) {
820
            echo '  <optgroup label="&#160;">'.NL;
821
            foreach ($this->specials as $ug) {
822
                if ($ug == $this->who) {
823
                    $sel    = ' selected="selected"';
824
                    $inlist = true;
825
                } else {
826
                    $sel = '';
827
                }
828
829
                if ($ug[0] == '@') {
830
                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
831
                } else {
832
                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
833
                }
834
            }
835
            echo '  </optgroup>'.NL;
836
        }
837
        if (!empty($this->usersgroups)) {
838
            echo '  <optgroup label="&#160;">'.NL;
839
            foreach ($this->usersgroups as $ug) {
840
                if ($ug == $this->who) {
841
                    $sel    = ' selected="selected"';
842
                    $inlist = true;
843
                } else {
844
                    $sel = '';
845
                }
846
847
                if ($ug[0] == '@') {
848
                        echo '  <option value="'.hsc($ug).'" class="aclgroup"'.$sel.'>'.hsc($ug).'</option>'.NL;
849
                } else {
850
                        echo '  <option value="'.hsc($ug).'" class="acluser"'.$sel.'>'.hsc($ug).'</option>'.NL;
851
                }
852
            }
853
            echo '  </optgroup>'.NL;
854
        }
855
        echo '</select>'.NL;
856
        return $inlist;
857
    }
858
}
859