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Added is_harmless
[gosa.git] / gosa-core / include / class_acl.inc
1 <?php
2 /*
3  * This code is part of GOsa (http://www.gosa-project.org)
4  * Copyright (C) 2003-2008 GONICUS GmbH
5  *
6  * ID: $$Id$$
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  */
23 /*! \brief ACL management plugin */ 
24 class acl extends plugin
25 {
26   /* Definitions */
27   var $plHeadline= "Access control";
28   var $plDescription= "Manage access control lists";
30   /* attribute list for save action */
31   var $attributes= array('gosaAclEntry');
32   var $objectclasses= array('gosaAcl');
34   /* Helpers */
35   var $dialogState= "head";
36   var $gosaAclEntry= array();
37   var $aclType= "";
38   var $aclObject= "";
39   var $aclContents= array();
40   var $target= "group";
41   var $aclTypes= array();
42   var $aclObjects= array();
43   var $aclFilter= "";
44   var $aclMyObjects= array();
45   var $users= array();
46   var $roles= array();
47   var $groups= array();
48   var $recipients= array();
49   var $isContainer= FALSE;
50   var $currentIndex= 0;
51   var $wasNewEntry= FALSE;
52   var $ocMapping= array();
53   var $savedAclContents= array();
54   var $myAclObjects = array();
55   var $acl_category = "acl/";
57   var $list =NULL;
59   var $sectionList = NULL;
60   var $roleList = NULL;
62   function acl (&$config, $parent, $dn= NULL)
63   {
64     /* Include config object */
65     plugin::plugin($config, $dn);
67     /* Load ACL's */
68     $this->gosaAclEntry= array();
69     if (isset($this->attrs['gosaAclEntry'])){
70       for ($i= 0; $i<$this->attrs['gosaAclEntry']['count']; $i++){
71         $acl= $this->attrs['gosaAclEntry'][$i];
72         $this->gosaAclEntry= array_merge($this->gosaAclEntry, acl::explodeACL($acl));
73       }
74     }
75     ksort($this->gosaAclEntry);
77     /* Save parent - we've to know more about it than other plugins... */
78     $this->parent= &$parent;
80     /* Container? */
81     if (preg_match('/^(o|ou|c|l|dc)=/i', $dn)){
82       $this->isContainer= TRUE;
83     }
85     /* Users */
86     $ui= get_userinfo();
87     $tag= $ui->gosaUnitTag;
88     $ldap= $config->get_ldap_link();
89     $ldap->cd($config->current['BASE']);
90     if ($tag == ""){
91       $ldap->search('(objectClass=gosaAccount)', array('uid', 'cn'));
92     } else {
93       $ldap->search('(&(objectClass=gosaAccount)(gosaUnitTag='.$tag.'))', array('uid', 'cn'));
94     }
95     while ($attrs= $ldap->fetch()){
97       // Allow objects without cn to be listed without causing an error.
98       if(!isset($attrs['cn'][0]) && isset($attrs['uid'][0])){
99         $this->users['U:'.$attrs['dn']]=  $attrs['uid'][0];
100       }elseif(!isset($attrs['uid'][0]) && isset($attrs['cn'][0])){
101         $this->users['U:'.$attrs['dn']]=  $attrs['cn'][0];
102       }elseif(!isset($attrs['uid'][0]) && !isset($attrs['cn'][0])){
103         $this->users['U:'.$attrs['dn']]= $attrs['dn'];
104       }else{
105         $this->users['U:'.$attrs['dn']]= $attrs['cn'][0].' ['.$attrs['uid'][0].']';
106       }
108     }
109     ksort($this->users);
111     /* Groups */
112     $ldap->cd($config->current['BASE']);
113 #    if ($tag == ""){
114       $ldap->search('(objectClass=posixGroup)', array('cn', 'description'));
115 #    } else {
116 #      $ldap->search('(&(objectClass=posixGroup)(gosaUnitTag='.$tag.'))', array('cn', 'description'));
117 #    }
118     while ($attrs= $ldap->fetch()){
119       $dsc= "";
120       if (isset($attrs['description'][0])){
121         $dsc= $attrs['description'][0];
122       }
123       $this->groups['G:'.$attrs['dn']]= $attrs['cn'][0].' ['.$dsc.']';
124     }
125     $this->groups['G:*']= _("All users");
126     ksort($this->groups);
128     /* Roles */
129     $ldap->cd($config->current['BASE']);
130 #    if ($tag == ""){
131       $ldap->search('(objectClass=gosaRole)', array('cn', 'description','gosaAclTemplate','dn'));
132 #    } else {
133 #     $ldap->search('(&(objectClass=gosaRole)(gosaUnitTag='.$tag.'))', array('cn', 'description','gosaAclTemplate','dn'));
134 #    }
135     while ($attrs= $ldap->fetch()){
136       $dsc= "";
137       if (isset($attrs['description'][0])){
138         $dsc= $attrs['description'][0];
139       }
141       $role_id = $attrs['dn'];
143       $this->roles[$role_id]['acls'] =array();
144       for ($i= 0; $i < $attrs['gosaAclTemplate']['count']; $i++){
145         $acl= $attrs['gosaAclTemplate'][$i];
146         $this->roles[$role_id]['acls'] = array_merge($this->roles[$role_id]['acls'],acl::explodeACL($acl));
147       }
148       $this->roles[$role_id]['description'] = $dsc;
149       $this->roles[$role_id]['cn'] = $attrs['cn'][0];
150     }
152     /* Objects */
153     $tmp= session::global_get('plist');
154     $plist= $tmp->info;
155     $cats = array();
156     if (isset($this->parent) && $this->parent !== NULL){
157       $oc= array();
158       foreach ($this->parent->by_object as $key => $obj){
159         $oc= array_merge($oc, $obj->objectclasses);
160         if(isset($obj->acl_category)){
161                                         $tmp= str_replace("/","",$obj->acl_category);
162           $cats[$tmp] = $tmp;
163         }
164       }
165       if (in_array_ics('organizationalUnit', $oc)){
166         $this->isContainer= TRUE;
167       }
168     } else {
169       $oc=  $this->attrs['objectClass'];
170     }
172     /* Extract available categories from plugin info list */
173     foreach ($plist as $class => $acls){
175       /* Only feed categories */
176       if (isset($acls['plCategory'])){
178         /* Walk through supplied list and feed only translated categories */
179         foreach($acls['plCategory'] as $idx => $data){
181           /* Non numeric index means -> base object containing more informations */
182           if (preg_match('/^[0-9]+$/', $idx)){
184             if (!isset($this->ocMapping[$data])){
185               $this->ocMapping[$data]= array();
186               $this->ocMapping[$data][]= '0';
187             }
189             if(isset($cats[$data])){
190               $this->myAclObjects[$data.'/'.$class]= $acls['plDescription'];
191             }
192             $this->ocMapping[$data][]= $class;
193           } else {
194             if (!isset($this->ocMapping[$idx])){
195               $this->ocMapping[$idx]= array();
196               $this->ocMapping[$idx][]= '0';
197             }
198             $this->ocMapping[$idx][]= $class;
199             $this->aclObjects[$idx]= $data['description'];
201             /* Additionally filter the classes we're interested in in "self edit" mode */
202             if (is_array($data['objectClass'])){
203               foreach($data['objectClass'] as $objectClass){
204                 if (in_array_ics($objectClass, $oc)){
205                   $this->myAclObjects[$idx.'/'.$class]= $acls['plDescription'];
206                   break;
207                 }
208               }
209             } else {
210               if (in_array_ics($data['objectClass'], $oc)){
211                 $this->myAclObjects[$idx.'/'.$class]= $acls['plDescription'];
212               }
213             }
214           }
216         }
217       }
218     }
219     $this->aclObjects['all']= '*&nbsp;'._("All categories");
220     $this->ocMapping['all']= array('0' => 'all');
222     /* Sort categories */
223     asort($this->aclObjects);
225     /* Fill acl types */
226     if ($this->isContainer){
227       $this->aclTypes= array("reset" => _("Reset ACLs"),
228                              "one" => _("One level"),
229                              "base" => _("Current object"),
230                              "sub" => _("Complete subtree"),
231                              "psub" => _("Complete subtree (permanent)"),
232                              "role" => _("Use ACL defined in role"));
233     } else {
234       $this->aclTypes= array("base" => _("Current object"),
235           "role" => _("Use ACL defined in role"));
236     }
237     asort($this->aclTypes);
238     $this->targets= array("user" => _("Users"), "group" => _("Groups"));
239     asort($this->targets);
241     /* Finally - we want to get saved... */
242     $this->is_account= TRUE;
244     $this->updateList();
246     // Prepare lists 
247     $this->sectionList = new sortableListing();
248     $this->sectionList->setDeleteable(false);
249     $this->sectionList->setEditable(false);
250     $this->sectionList->setWidth("100%");
251     $this->sectionList->setHeight("120px");
252     $this->sectionList->setColspecs(array('200px','*'));
253     $this->sectionList->setHeader(array(_("Section"),_("Description")));
254     $this->sectionList->setDefaultSortColumn(1);
255     $this->sectionList->setAcl('rwcdm'); // All ACLs, we filter on our own here.
257     $this->roleList = new sortableListing();
258     $this->roleList->setDeleteable(false);
259     $this->roleList->setEditable(false);
260     $this->roleList->setWidth("100%");
261     $this->roleList->setHeight("120px");
262     $this->roleList->setColspecs(array('20px','*','*'));
263     $this->roleList->setHeader(array(_("Used"),_("Name"),_("Description")));
264     $this->roleList->setDefaultSortColumn(1);
265     $this->roleList->setAcl('rwcdm'); // All ACLs, we filter on our own here.
266   }
268     
269   function updateList()
270   {
271       if(!$this->list){ 
272           $this->list = new sortableListing($this->gosaAclEntry,array(),TRUE);
273           $this->list->setDeleteable(true);
274           $this->list->setEditable(true);
275           $this->list->setColspecs(array('*'));
276           $this->list->setWidth("100%");
277           $this->list->setHeight("400px");
278           $this->list->setAcl("rwcdm");
279           $this->list->setHeader(array(_("Member"),_("Permissions"),_("Type")));
280       }
282  
283     // Add ACL entries to the listing 
284     $lData = array();
285     foreach($this->gosaAclEntry as $id => $entry){
286        $lData[] = $this->convertForListing($entry);
287     }    
288     $this->list->setListData($this->gosaAclEntry, $lData);
289   }
290    
291     
292   function convertForListing($entry)
293   {
294     $member = implode($entry['members'],", ");
295     if(isset($entry['acl']) && is_array($entry['acl'])){
296         $acl = implode(array_keys($entry['acl']),", ");
297     }else{
298         $acl="";
299     }
300     return(array('data' => array($member, $acl, $this->aclTypes[$entry['type']])));
301   }
303   
305   function execute()
306   {
307     /* Call parent execute */
308     plugin::execute();
310     $tmp= session::global_get('plist');
311     $plist= $tmp->info;
313     /* Handle posts */
314     if (isset($_POST['new_acl'])){
315       $this->dialogState= 'create';
316       $this->dialog= TRUE;
317       $this->currentIndex= count($this->gosaAclEntry);
318       $this->loadAclEntry(TRUE);
319     }
321     $new_acl= array();
322     $aclDialog= FALSE;
323     $firstedit= FALSE;
325     // Get listing actions. Delete or Edit.
326     $this->list->save_object();
327     $lAction = $this->list->getAction();
328     $this->gosaAclEntry = array_values($this->list->getMaintainedData());
330     /* Act on HTML post and gets here.
331      */
332     if($lAction['action'] == "edit"){
333         $this->currentIndex = $this->list->getKey($lAction['targets'][0]);
334         $this->dialogState= 'create';
335         $firstedit= TRUE;
336         $this->dialog= TRUE;
337         $this->loadAclEntry();
338     }
340     foreach($_POST as $name => $post){
342       /* Actions... */
343       if (preg_match('/^acl_edit_[0-9]*$/', $name)){
344         $this->dialogState= 'create';
345         $firstedit= TRUE;
346         $this->dialog= TRUE;
347         $this->currentIndex= preg_replace('/^acl_edit_([0-9]*)$/', '\1', $name);
348         $this->loadAclEntry();
349         continue;
350       }
352       if (preg_match('/^cat_edit_.*$/', $name)){
353         $this->aclObject= preg_replace('/^cat_edit_(.*)$/', '\1', $name);
354         $this->dialogState= 'edit';
355         foreach ($this->ocMapping[$this->aclObject] as $oc){
356           if (isset($this->aclContents[$oc])){
357             $this->savedAclContents[$oc]= $this->aclContents[$oc];
358           }
359         }
360         continue;
361       }
363       /* Only handle posts, if we allowed to modify ACLs */
364       if(!$this->acl_is_writeable("")){
365         continue;
366       }
368       if (preg_match('/^acl_del_[0-9]*$/', $name)){
369         unset($this->gosaAclEntry[preg_replace('/^acl_del_([0-9]*)$/', '\1', $name)]);
370         continue;
371       }
373       if (preg_match('/^cat_del_.*$/', $name)){
374         $idx= preg_replace('/^cat_del_(.*)$/', '\1', $name);
375         foreach ($this->ocMapping[$idx] as $key){
376           if(isset($this->aclContents[$idx]))
377             unset($this->aclContents[$idx]);
378           if(isset($this->aclContents["$idx/$key"]))
379             unset($this->aclContents["$idx/$key"]);
380         }
381         continue;
382       }
384       /* ACL saving... */
385       if (preg_match('/^acl_.*_[^xy]$/', $name)){
386         list($dummy, $object, $attribute, $value)= explode('_', $name);
388         /* Skip for detection entry */
389         if ($object == 'dummy') {
390           continue;
391         }
393         /* Ordinary ACLs */
394         if (!isset($new_acl[$object])){
395           $new_acl[$object]= array();
396         }
397         if (isset($new_acl[$object][$attribute])){
398           $new_acl[$object][$attribute].= $value;
399         } else {
400           $new_acl[$object][$attribute]= $value;
401         }
402       }
404       // Remember the selected ACL role.
405       if(isset($_POST['selected_role']) && $_POST['aclType'] == 'role'){
406         $this->aclContents = "";
407         $this->aclContents = base64_decode($_POST['selected_role']);
408       }else{
409           if(is_string($this->aclContents))
410               $this->aclContents = array();
411       }
412     }
414     if(isset($_POST['acl_dummy_0_0_0'])){
415       $aclDialog= TRUE;
416     }
418     if($this->acl_is_writeable("")){
419       
420       /* Only be interested in new acl's, if we're in the right _POST place */
421       if ($aclDialog && $this->aclObject != "" && is_array($this->ocMapping[$this->aclObject])){
423         foreach ($this->ocMapping[$this->aclObject] as $oc){
425           if(isset($this->aclContents[$oc]) && is_array($this->aclContents)){
426             unset($this->aclContents[$oc]);
427           }elseif(isset($this->aclContents[$this->aclObject.'/'.$oc]) && is_array($this->aclContents)){
428             unset($this->aclContents[$this->aclObject.'/'.$oc]);
429           }else{
430 #          trigger_error("Huhm?");
431           }
432           if (isset($new_acl[$oc]) && is_array($new_acl)){
433             $this->aclContents[$oc]= $new_acl[$oc];
434           }
435           if (isset($new_acl[$this->aclObject.'/'.$oc]) && is_array($new_acl)){
436             $this->aclContents[$this->aclObject.'/'.$oc]= $new_acl[$this->aclObject.'/'.$oc];
437           }
438         }
439       }
441       /* Save new acl in case of base edit mode */
442       if ($this->aclType == 'base' && !$firstedit){
443         $this->aclContents= $new_acl;
444       }
445     }
447     /* Cancel new acl? */
448     if (isset($_POST['cancel_new_acl'])){
449       $this->dialogState= 'head';
450       $this->dialog= FALSE;
451       if ($this->wasNewEntry){
452         unset ($this->gosaAclEntry[$this->currentIndex]);
453       }
454     }
456     /* Save common values */
457     if($this->acl_is_writeable("")){
458       foreach (array("aclType","aclFilter", "aclObject", "target") as $key){
459         if (isset($_POST[$key])){
460           $this->$key= validate($_POST[$key]);
461         }
462       }
463     }
465     /* Store ACL in main object? */
466     if (isset($_POST['submit_new_acl'])){
467       $this->gosaAclEntry[$this->currentIndex]['type']= $this->aclType;
468       $this->gosaAclEntry[$this->currentIndex]['members']= $this->recipients;
469       $this->gosaAclEntry[$this->currentIndex]['acl']= $this->aclContents;
470       $this->gosaAclEntry[$this->currentIndex]['filter']= $this->aclFilter;
471       $this->dialogState= 'head';
472       $this->dialog= FALSE;
473     }
475     /* Cancel edit acl? */
476     if (isset($_POST['cancel_edit_acl'])){
477       $this->dialogState= 'create';
478       foreach ($this->ocMapping[$this->aclObject] as $oc){
479         if (isset($this->savedAclContents[$oc])){
480           $this->aclContents[$oc]= $this->savedAclContents[$oc];
481         }
482       }
483     }
485     /* Save edit acl? */
486     if (isset($_POST['submit_edit_acl'])){
487       $this->dialogState= 'create';
488     }
490     /* Add acl? */
491     if (isset($_POST['add_acl']) && $_POST['aclObject'] != ""){
492       $this->dialogState= 'edit';
493       $this->savedAclContents= array();
494       foreach ($this->ocMapping[$this->aclObject] as $oc){
495         if (isset($this->aclContents[$oc])){
496           $this->savedAclContents[$oc]= $this->aclContents[$oc];
497         }
498       }
499     }
501     /* Add to list? */
502     if (isset($_POST['add']) && isset($_POST['source'])){
503       foreach ($_POST['source'] as $key){
504         if ($this->target == 'user'){
505           $this->recipients[$key]= $this->users[$key];
506         }
507         if ($this->target == 'group'){
508           $this->recipients[$key]= $this->groups[$key];
509         }
510       }
511       ksort($this->recipients);
512     }
514     /* Remove from list? */
515     if (isset($_POST['del']) && isset($_POST['recipient'])){
516       foreach ($_POST['recipient'] as $key){
517           unset($this->recipients[$key]);
518       }
519     }
521     /* Create templating instance */
522     $smarty= get_smarty();
523     $smarty->assign("usePrototype", "true");
524     $smarty->assign("acl_readable",$this->acl_is_readable(""));
525     if(!$this->acl_is_readable("")){
526       return ($smarty->fetch (get_template_path('acl.tpl')));
527     }
529     if ($this->dialogState == 'head'){
530       $this->updateList();
531       $smarty->assign("aclList", $this->list->render());
532     }
534     if ($this->dialogState == 'create'){
537         if($this->aclType != 'role'){
539             // Create a map of all used sections, this allows us to simply hide the remove button 
540             //  if no acl is configured for the given section 
541             // e.g. ';all;department/country;users/user;
542             $usedList = ";".implode(array_keys($this->aclContents),';').";";
544             /* Add settings for all categories to the (permanent) list */
545             $data = $lData = array();
546             foreach ($this->aclObjects as $section => $dsc){
547                 $summary= "";
548                 foreach($this->ocMapping[$section] as $oc){
549                     if (isset($this->aclContents[$oc]) && 
550                             count($this->aclContents[$oc]) && 
551                             isset($this->aclContents[$oc][0]) &&
552                             $this->aclContents[$oc][0] != ""){
554                         $summary.= "$oc, ";
555                         continue;
556                     }
557                     if (isset($this->aclContents["$section/$oc"]) && 
558                             count($this->aclContents["$section/$oc"])){
559                         $summary.= "$oc, ";
560                         continue;
561                     }
562                     if (isset($this->aclContents[$oc]) && 
563                             !isset($this->aclContents[$oc][0]) && 
564                             count($this->aclContents[$oc])){
565                         $summary.= "$oc, ";
566                     }
567                 }
569                 /* Set summary... */
570                 if ($summary == ""){
571                     $summary= '<i>'._("No ACL settings for this category!").'</i>';
572                 } else {
573                     $summary= trim($summary,", ");
574                     $summary= " ".sprintf(_("ACLs for: %s"), $summary);
575                 }
577                 $actions ="";
578                 if($this->acl_is_readable("")){
579                     $actions.= image('images/lists/edit.png','cat_edit_'.$section, 
580                             msgPool::editButton(_("category ACL")));
581                 }
582                 if($this->acl_is_removeable() && preg_match("/;".$section."(;|\/)/", $usedList)){
583                     $actions.= image('images/lists/trash.png','cat_del_'.$section, 
584                             msgPool::delButton(_("category ACL")));
585                 }   
586                 $data[] = $section;
587                 $lData[] = array('data'=>array($dsc, $summary, $actions));
588             }
589             $this->sectionList->setListData($data,$lData);
590             $this->sectionList->update();
591             $smarty->assign("aclList", $this->sectionList->render());
592         }
593     
594       $smarty->assign("aclType", $this->aclType);
595       $smarty->assign("aclFilter", $this->aclFilter);
596       $smarty->assign("aclTypes", $this->aclTypes);
597       $smarty->assign("target", $this->target);
598       $smarty->assign("targets", $this->targets);
600       /* Assign possible target types */
601       $smarty->assign("targets", $this->targets);
602       foreach ($this->attributes as $attr){
603         $smarty->assign($attr, $this->$attr);
604       }
607       /* Generate list */
608       $tmp= array();
609       if ($this->target == "group" && !isset($this->recipients["G:*"])){
610         $tmp["G:*"]= _("All users");
611       }
612       foreach (array("user" => "users", "group" => "groups") as $field => $arr){
613         if ($this->target == $field){
614           foreach ($this->$arr as $key => $value){
615             if (!isset($this->recipients[$key])){
616               $tmp[$key]= $value;
617             }
618           }
619         }
620       }
621       $smarty->assign('sources', $tmp);
622       $smarty->assign('recipients', $this->recipients);
624       /* Acl selector if scope is base */
625       if ($this->aclType == 'base'){
626         $smarty->assign('aclSelector', $this->buildAclSelector($this->myAclObjects));
627       }
629       /* Role selector if scope is base */
630       if ($this->aclType == 'role'){
631         $smarty->assign('roleSelector', $this->buildRoleSelector($this->roles));
632       }
633     }
635     if ($this->dialogState == 'edit'){
636       $smarty->assign('headline', sprintf(_("Edit ACL for '%s' with scope '%s'"), $this->aclObjects[$this->aclObject], $this->aclTypes[$this->aclType]));
638       /* Collect objects for selected category */
639       foreach ($this->ocMapping[$this->aclObject] as $idx => $class){
640         if ($idx == 0){
641           continue;
642         }
643         $aclObjects[$this->aclObject.'/'.$class]= $plist[$class]['plDescription'];
644       }
645       if ($this->aclObject == 'all'){
646         $aclObjects['all']= _("All objects in current subtree");
647       }
649       /* Role selector if scope is base */
650       if ($this->aclType == 'role'){
651         $smarty->assign('roleSelector', $this->buildRoleSelector($this->roles));
652       } else {
653         $smarty->assign('aclSelector', $this->buildAclSelector($aclObjects));
654       }
655     }
657     /* Show main page */
658     $smarty->assign("dialogState", $this->dialogState);
659    
660     /* Assign acls */ 
661     $smarty->assign("acl_createable",$this->acl_is_createable());
662     $smarty->assign("acl_writeable" ,$this->acl_is_writeable(""));
663     $smarty->assign("acl_readable"  ,$this->acl_is_readable(""));
664     $smarty->assign("acl_removeable",$this->acl_is_removeable());
666     return ($smarty->fetch (get_template_path('acl.tpl')));
667   }
670   function sort_by_priority($list)
671   {
672     $tmp= session::global_get('plist');
673     $plist= $tmp->info;
674     asort($plist);
675     $newSort = array();
677     foreach($list as $name => $translation){
678       $na  =  preg_replace("/^.*\//","",$name);
679       $prio = 0;
680       if(isset($plist[$na]['plPriority'])){
681         $prio=  $plist[$na]['plPriority'] ;
682       }
684       $newSort[$name] = $prio;
685     }
687     asort($newSort);
689     $ret = array();
690     foreach($newSort as $name => $prio){
691       $ret[$name] = $list[$name];
692     }
693     return($ret);
694   }
697   function buildRoleSelector($list)
698   {
699     $selected = $this->aclContents;
700     if(!is_string($this->aclContents) || !isset($list[$this->aclContents])){
701       $selected = key($list);
702     }
704     $data = $lData = array();
705     foreach($list as $dn => $values){
706       if($dn == $selected){    
707         $option = "<input type='radio' name='selected_role' value='".base64_encode($dn)."' checked>";
708       }else{
709         $option = "<input type='radio' name='selected_role' value='".base64_encode($dn)."'>";
710       }
711       $data[] = postEncode($dn);
712       $lData[] = array('data'=>array($option, $values['cn'], $values['description']));
713     }
714     $this->roleList->setListData($data,$lData);
715     $this->roleList->update();
716     return($this->roleList->render());
717   } 
720   function buildAclSelector($list)
721   {
722     $display= "<input type='hidden' name='acl_dummy_0_0_0' value='1'>";
723     $cols= 3;
724     $tmp= session::global_get('plist');
725     $plist= $tmp->info;
726     asort($plist);
728     /* Add select all/none buttons */
729     $style = "style='width:100px;'";
731     if($this->acl_is_writeable("")){
732       $display .= "<button type='button' ".$style." name='toggle_all_create' onClick=\"acl_toggle_all('_0_c$');\" >Toggle C</button>";
733       $display .= "<button type='button' ".$style." name='toggle_all_move'   onClick=\"acl_toggle_all('_0_m$');\" >Toggle M</button>";
734       $display .= "<button type='button' ".$style." name='toggle_all_remove' onClick=\"acl_toggle_all('_0_d$');\" >Toggle D</button> - ";
735       $display .= "<button type='button' ".$style." name='toggle_all_read'   onClick=\"acl_toggle_all('_0_r$');\" >Toggle R</button>";
736       $display .= "<button type='button' ".$style." name='toggle_all_write'  onClick=\"acl_toggle_all('_0_w$');\" >Toggle W</button> - ";
738       $display .= "<button type='button' ".$style." name='toggle_all_sub_read'  onClick=\"acl_toggle_all('[^0]_r$');\" >R+</button>";
739       $display .= "<button type='button' ".$style." name='toggle_all_sub_write'  onClick=\"acl_toggle_all('[^0]_w$');\" >W+</button>";
741       $display .= "<br>";
743       $style = "style='width:50px;'";
744       $display .= "<button type='button' ".$style." name='set_true_all_create' onClick=\"acl_set_all('_0_c$',true);\" >C+</button>";
745       $display .= "<button type='button' ".$style." name='set_false_all_create' onClick=\"acl_set_all('_0_c$',false);\" >C-</button>";
746       $display .= "<button type='button' ".$style." name='set_true_all_move' onClick=\"acl_set_all('_0_m$',true);\" >M+</button>";
747       $display .= "<button type='button' ".$style." name='set_false_all_move' onClick=\"acl_set_all('_0_m$',false);\" >M-</button>";
748       $display .= "<button type='button' ".$style." name='set_true_all_remove' onClick=\"acl_set_all('_0_d$',true);\" >D+</button>";
749       $display .= "<button type='button' ".$style." name='set_false_all_remove' onClick=\"acl_set_all('_0_d$',false);\" >D-</button> - ";
750       $display .= "<button type='button' ".$style." name='set_true_all_read' onClick=\"acl_set_all('_0_r$',true);\" >R+</button>";
751       $display .= "<button type='button' ".$style." name='set_false_all_read' onClick=\"acl_set_all('_0_r$',false);\" >R-</button>";
752       $display .= "<button type='button' ".$style." name='set_true_all_write' onClick=\"acl_set_all('_0_w$',true);\" >W+</button>";
753       $display .= "<button type='button' ".$style." name='set_false_all_write' onClick=\"acl_set_all('_0_w$',false);\" >W-</button> - ";
755       $display .= "<button type='button' ".$style." name='set_true_all_read' onClick=\"acl_set_all('[^0]_r$',true);\" >R+</button>";
756       $display .= "<button type='button' ".$style." name='set_false_all_read' onClick=\"acl_set_all('[^0]_r$',false);\" >R-</button>";
757       $display .= "<button type='button' ".$style." name='set_true_all_write' onClick=\"acl_set_all('[^0]_w$',true);\" >W+</button>";
758       $display .= "<button type='button' ".$style." name='set_false_all_write' onClick=\"acl_set_all('[^0]_w$',false);\" >W-</button>";
759     }
761     /* Build general objects */
762     $list =$this->sort_by_priority($list);
763     foreach ($list as $key => $name){
765       /* Create sub acl if it does not exist */
766       if (!isset($this->aclContents[$key])){
767         $this->aclContents[$key]= array();
768       }
769       if(!isset($this->aclContents[$key][0])){
770         $this->aclContents[$key][0]= '';
771       }
773       $currentAcl= $this->aclContents[$key];
775       /* Get the overall plugin acls 
776        */
777       $overall_acl ="";
778       if(isset($currentAcl[0])){
779         $overall_acl = $currentAcl[0];
780       }
782       // Detect configured plugins
783       $expand = count($currentAcl) > 1 || $currentAcl[0] != "";
785       /* Object header */
786                         $tname= preg_replace("/[^a-z0-9]/i","_",$name);
788       if($expand){
789         $back_color = "#C8C8FF";
790       }else{
791         $back_color = "#C8C8C8";
792       }
794       if(isset($_SERVER['HTTP_USER_AGENT']) && 
795           (preg_match("/gecko/i",$_SERVER['HTTP_USER_AGENT'])) || 
796           (preg_match("/presto/i",$_SERVER['HTTP_USER_AGENT']))) {
797         $display.= "\n<table summary='{$name}' style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2>".
798           "\n  <tr>".
799           "\n    <td style='background-color:{$back_color};height:1.8em;' colspan=".($cols-1)."><b>"._("Object").": $name</b></td>".
800           "\n    <td align='right' style='background-color:{$back_color};height:1.8em;'>".
801           "\n    <button type='button' onclick=\"$('{$tname}').toggle();\">"._("Show/hide advanced settings")."</button></td>".
802           "\n  </tr>";
803       } else if (isset($_SERVER['HTTP_USER_AGENT']) && preg_match("/ie/i",$_SERVER['HTTP_USER_AGENT'])) {
804         $display.= "\n<table summary='{$name}' style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2>".
805           "\n  <tr>".
806           "\n    <td style='background-color:#C8C8C8;height:1.8em;' colspan=".($cols-1)."><b>"._("Object").": $name</b></td>".
807           "\n    <td align='right' style='background-color:#C8C8C8;height:1.8em;'>".
808           "\n    <button type='button' onclick=\"$('{$tname}').toggle();\">"._("Show/hide advanced settings")."</button></td>".
809           "\n  </tr>";
810       } else {
811         $display.= "\n<table summary='{$name}' style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2>".
812           "\n  <tr>".
813           "\n    <td style='background-color:#C8C8C8;height:1.8em;' colspan=$cols><b>"._("Object").": $name</b></td>".
814           "\n  </tr>";
815       }
817       /* Generate options */
818       $spc= "&nbsp;&nbsp;";
819       $options= $this->mkchkbx($key."_0_c",  _("Create objects"), preg_match('/c/', $overall_acl)).$spc;
820       $options.= $this->mkchkbx($key."_0_m", _("Move objects"), preg_match('/m/', $overall_acl)).$spc;
821       $options.= $this->mkchkbx($key."_0_d", _("Remove objects"), preg_match('/d/', $overall_acl)).$spc;
822       if ($plist[preg_replace('%^.*/%', '', $key)]['plSelfModify']){
823         $options.= $this->mkchkbx($key."_0_s", _("Grant permission to owner"), preg_match('/s/', $overall_acl)).$spc;
824       }
826       /* Global options */
827       $more_options= $this->mkchkbx($key."_0_r",  _("read"), preg_match('/r/', $overall_acl)).$spc;
828       $more_options.= $this->mkchkbx($key."_0_w", _("write"), preg_match('/w/', $overall_acl));
830       $display.= "\n  <tr>".
831                  "\n    <td style='background-color:#E0E0E0' colspan=".($cols-1).">$options</td>".
832                  "\n    <td style='background-color:#D4D4D4'>&nbsp;"._("Complete object").": $more_options</td>".
833                  "\n  </tr>";
835       /* Walk through the list of attributes */
836       $cnt= 1;
837       $splist= $plist[preg_replace('%^.*/%', '', $key)]['plProvidedAcls'];
838       if(session::global_get('js')) {
839         if(isset($_SERVER['HTTP_USER_AGENT']) && 
840             (preg_match("/gecko/i",$_SERVER['HTTP_USER_AGENT'])) || (preg_match("/presto/i",$_SERVER['HTTP_USER_AGENT']))) {
841           $display.= "\n  <tr id='tr_$tname' style='vertical-align:top;height:0px;'>".
842                      "\n    <td colspan=".$cols.">".
843                      "\n      <div id='$tname' style='overflow:hidden; display:none;vertical-align:top;width:100%;'>".
844                      "\n        <table style='width:100%;' summary='{$name}'>";
845         } else if (isset($_SERVER['HTTP_USER_AGENT']) && preg_match("/ie/i",$_SERVER['HTTP_USER_AGENT'])) {
846           $display.= "\n  <tr id='tr_$tname' style='vertical-align:top;height:0px;'>".
847                      "\n    <td colspan=".$cols.">".
848                      "\n      <div id='$tname' style='position:absolute;overflow:hidden;display:none;;vertical-align:top;width:100%;'>".
849                      "\n        <table style='width:100%;' summary='{$name}'>";
850         }else{
851         }
852       }
854   
855       foreach($splist as $attr => $dsc){
857         /* Skip pl* attributes, they are internal... */
858         if (preg_match('/^pl[A-Z]+.*$/', $attr)){
859           continue;
860         }
862         /* Open table row */
863         if ($cnt == 1){
864           $display.= "\n  <tr>";
865         }
867         /* Close table row */
868         if ($cnt == $cols){
869           $cnt= 1;
870           $rb= "";
871           $end= "\n  </tr>";
872         } else {
873           $cnt++;
874           $rb= "border-right:1px solid #A0A0A0;";
875           $end= "";
876         }
878         /* Collect list of attributes */
879         $state= "";
880         if (isset($currentAcl[$attr])){
881           $state= $currentAcl[$attr];
882         }
883         $display.= "\n    <td style='border-top:1px solid #A0A0A0;${rb}width:".(int)(100/$cols)."%'>".
884                    "\n      <b>$dsc</b> ($attr)<br>".$this->mkrwbx($key."_".$attr, $state)."</td>$end";
885       }
886       
887       /* Fill missing td's if needed */
888       if (--$cnt != $cols && $cnt != 0){
889        $display.= str_repeat("\n    <td style='border-top:1px solid #A0A0A0; width:".(int)(100/$cols)."%'>&nbsp;</td>", $cols-$cnt); 
890       }
892       if(session::global_get('js')) {
893         if(isset($_SERVER['HTTP_USER_AGENT']) && 
894             (preg_match("/gecko/i",$_SERVER['HTTP_USER_AGENT'])) || 
895             (preg_match("/presto/i",$_SERVER['HTTP_USER_AGENT'])) || 
896             (preg_match("/ie/i",$_SERVER['HTTP_USER_AGENT']))) {
897           $display.= "\n        </table>".
898                      "\n      </div>".
899                      "\n    </td>".
900                      "\n  </tr>";
901         }
902       }
904       $display.= "\n</table><br />\n";
905     }
907     return ($display);
908   }
911   function mkchkbx($name, $text, $state= FALSE)
912   {
913     $state= $state?"checked":"";
914     if($this->acl_is_writeable("")){
915                         $tname= preg_replace("/[^a-z0-9]/i","_",$name);
916       return "\n      <input id='acl_$tname' type=checkbox name='acl_$name' $state>".
917         "\n      <label for='acl_$tname'>$text</label>";
918     }else{
919       return "\n <input type='checkbox' disabled name='dummy_".microtime(1)."' $state>$text";
920     }
921   }
924   function mkrwbx($name, $state= "")
925   {
926     $rstate= preg_match('/r/', $state)?'checked':'';
927     $wstate= preg_match('/w/', $state)?'checked':'';
928                 $tname= preg_replace("/[^a-z0-9]/i","_",$name);
929       
930     if($this->acl_is_writeable("")){
931       return ("\n      <input id='acl_".$tname."_r' type=checkbox name='acl_${name}_r' $rstate>".
932           "\n      <label for='acl_".$tname."_r'>"._("read")."</label>".
933           "\n      <input id='acl_".$tname."_w' type=checkbox name='acl_${name}_w' $wstate>".
934           "\n      <label for='acl_".$tname."_w'>"._("write")."</label>");
935     }else{
936       return ("\n      <input disabled type=checkbox name='dummy_".microtime(1)."' $rstate>"._("read").
937           "\n      <input disabled type=checkbox name='dummy_".microtime(1)."' $wstate>"._("write"));
938     }
939   }
942   static function explodeACL($acl)
943   {
945     $list= explode(':', $acl);
946     if(count($list) == 5){
947       list($index, $type,$member,$permission,$filter)= $list;
948       $filter = base64_decode($filter);
949     }elseif(count($list) == 4){
950       $filter = "";
951       list($index, $type,$member,$permission)= $list;
952     }else{
953       $permission = "";
954       $filter = "";
955       list($index, $type,$member)= $list;
956     }
958     $a= array( $index => array("type" => $type,
959                                "filter"=> $filter,
960                                "members" => acl::extractMembers($acl,$type == "role")));
961    
962     /* Handle different types */
963     switch ($type){
965       case 'psub':
966       case 'sub':
967       case 'one':
968       case 'base':
969         $a[$index]['acl']= acl::extractACL($acl);
970         break;
971       
972       case 'role':
973         $a[$index]['acl']= base64_decode(preg_replace('/^[^:]+:[^:]+:([^:]+).*$/', '\1', $acl));
974         break;
976       case 'reset':
977         break;
978       
979       default:
980         msg_dialog::display(_("Internal error"), sprintf(_("Unkown ACL type '%s'!"), $type), ERROR_DIALOG);
981         $a= array();
982     }
983     return ($a);
984   }
987   static function extractMembers($acl,$role = FALSE)
988   {
989     global $config;
990     $a= array();
992     /* Rip acl off the string, seperate by ',' and place it in an array */
993     if($role){
994       $ms= preg_replace('/^[^:]+:[^:]+:[^:]+:([^:]+).*$/', '\1', $acl);
995     }else{
996       $ms= preg_replace('/^[^:]+:[^:]+:([^:]+).*$/', '\1', $acl);
997     }
998     if ($ms == $acl){
999       return $a;
1000     }
1001     $ma= explode(',', $ms);
1003     /* Decode dn's, fill with informations from LDAP */
1004     $ldap= $config->get_ldap_link();
1005     foreach ($ma as $memberdn){
1006       // Check for wildcard here
1007       $dn= base64_decode($memberdn);
1008       if ($dn != "*") {
1009         $ldap->cat($dn, array('cn', 'objectClass', 'description', 'uid'));
1011         /* Found entry... */
1012         if ($ldap->count()){
1013           $attrs= $ldap->fetch();
1014           if (in_array_ics('gosaAccount', $attrs['objectClass'])){
1015             $a['U:'.$dn]= $attrs['cn'][0]." [".$attrs['uid'][0]."]";
1016           } else {
1017             $a['G:'.$dn]= $attrs['cn'][0];
1018             if (isset($attrs['description'][0])){
1019               $a['G:'.$dn].= " [".$attrs['description'][0]."]";
1020             }
1021           }
1023         /* ... or not */
1024         } else {
1025           $a['U:'.$dn]= sprintf(_("Unknown entry '%s'!"), $dn);
1026         }
1028       } else {
1029         $a['G:*']= sprintf(_("All users"));
1030       }
1031     }
1033     return ($a);
1034   }
1037   static function extractACL($acl)
1038   {
1039     /* Rip acl off the string, seperate by ',' and place it in an array */
1040     $as= preg_replace('/^[^:]+:[^:]+:[^:]*:([^:]*).*$/', '\1', $acl);
1041     $aa= explode(',', $as);
1042     $a= array();
1044     /* Dis-assemble single ACLs */
1045     foreach($aa as $sacl){
1046       
1047       /* Dis-assemble field ACLs */
1048       $ao= explode('#', $sacl);
1049       $gobject= "";
1050       foreach($ao as $idx => $ssacl){
1052         /* First is department with global acl */
1053         $object= preg_replace('/^([^;]+);.*$/', '\1', $ssacl);
1054         $gacl=   preg_replace('/^[^;]+;(.*)$/', '\1', $ssacl);
1055         if ($idx == 0){
1056           /* Create hash for this object */
1057           $gobject= $object;
1058           $a[$gobject]= array();
1060           /* Append ACL if set */
1061           if ($gacl != ""){
1062             $a[$gobject]= array($gacl);
1063           }
1064         } else {
1066           /* All other entries get appended... */
1067           list($field, $facl)= explode(';', $ssacl);
1068           $a[$gobject][$field]= $facl;
1069         }
1071       }
1072     }
1074     return ($a);
1075   }
1077   
1078   function assembleAclSummary($entry)
1079   {
1080     $summary= "";
1082     /* Summarize ACL */
1083     if (isset($entry['acl'])){
1084       $acl= "";
1086       if($entry['type'] == "role"){
1088         if(isset($this->roles[$entry['acl']])){  
1089           $summary.= sprintf(_("ACL role: %s"), $this->roles[$entry['acl']]['cn']);
1090         }else{
1091           $summary.= sprintf(_("ACL role: %s"), "<i>"._("unknown ACL role")."</i>");
1092         }
1093       }else{
1094         foreach ($entry['acl'] as $name => $object){
1095           if (count($object)){
1096             $acl.= "$name, ";
1097           }
1098         }
1099         $summary.= sprintf(_("Contains settings for these objects: %s"), preg_replace('/, $/', '', $acl));
1100       }
1101     }
1104     /* Summarize members */
1105     if(!($this instanceOf aclrole)){
1106       if ($summary != ""){
1107         $summary.= ", ";
1108       }
1109       if (count($entry['members'])){
1110         $summary.= _("Members").": ";
1111         foreach ($entry['members'] as $cn){
1112           $cn= preg_replace('/ \[.*$/', '', $cn);
1113           $summary.= $cn.", ";
1114         }
1115       } else {
1116         $summary.= "<font color='red'><i>"._("inactive")."&nbsp;-&nbsp;"._("No members")."</i></font>";
1117       }
1118     }
1119     return (preg_replace('/, $/', '', $summary));
1120   }
1123   function loadAclEntry($new= FALSE)
1124   {
1125     /* New entry gets presets... */
1126     if ($new){
1127       $this->aclType= 'base';
1128       $this->aclFilter= "";
1129       $this->recipients= array();
1130       $this->aclContents= array();
1131     } else {
1132       $acl= $this->gosaAclEntry[$this->currentIndex];
1133       $this->aclType= $acl['type'];
1134       $this->recipients= $acl['members'];
1135       $this->aclContents= (isset($acl['acl'])) ? $acl['acl'] :"";
1136       $this->aclFilter= $acl['filter'];
1137     }
1139     $this->wasNewEntry= $new;
1140   }
1143   function aclPostHandler()
1144   {
1145     if (isset($_POST['save_acl'])){
1146       $this->save();
1147       return TRUE;
1148     }
1150     return FALSE;
1151   }
1153   
1154   function PrepareForCopyPaste($source)
1155   {
1156     plugin::PrepareForCopyPaste($source);
1157     
1158     $dn = $source['dn'];
1159     $acl_c = new acl($this->config, $this->parent,$dn);
1160     $this->gosaAclEntry = $acl_c->gosaAclEntry;
1161   }
1164   function save()
1165   {
1166     /* Assemble ACL's */
1167     $tmp_acl= array();
1168   
1169     foreach ($this->gosaAclEntry as $prio => $entry){
1170       $final= "";
1171       $members= "";
1172       if (isset($entry['members'])){
1173         foreach ($entry['members'] as $key => $dummy){
1174           $members.= base64_encode(preg_replace('/^.:/', '', $key)).',';
1175         }
1176       }
1178       if($entry['type'] != "role"){
1179         $final= $prio.":".$entry['type'].":".preg_replace('/,$/', '', $members);
1180       }else{
1181         $final= $prio.":".$entry['type'].":".base64_encode($entry['acl']).":".preg_replace('/,$/', '', $members);
1182       }
1184       /* ACL's if needed */
1185       $final.= ":";
1186       if ($entry['type'] != "reset" && $entry['type'] != "role"){
1187         $acl = "";
1188         if (isset($entry['acl'])){
1189           foreach ($entry['acl'] as $object => $contents){
1191             /* Only save, if we've some contents in there... */
1192             if (count($contents)){
1193               $acl.= $object.";";
1195               foreach($contents as $attr => $permission){
1197                 /* First entry? Its the one for global settings... */
1198                 if ($attr == '0'){
1199                   $acl.= $permission;
1200                 } else {
1201                   $acl.= '#'.$attr.';'.$permission;
1202                 }
1204               }
1205               $acl.= ',';
1206             }
1207             
1208           }
1209         }
1210         $final.= preg_replace('/,$/', '', $acl);
1211       }
1213       /* Append additional filter options 
1214        */
1215       if(!empty($entry['filter'])){
1216         $final .= ":".base64_encode($entry['filter']);
1217       }
1219       $tmp_acl[]= $final;
1220     }
1222     /* Call main method */
1223     plugin::save();
1225     /* Finally (re-)assign it... */
1226     $this->attrs['gosaAclEntry']= $tmp_acl;
1228     /* Remove acl from this entry if it is empty... */
1229     if (!count($tmp_acl)){
1230       /* Remove attribute */
1231       if ($this->initially_was_account){
1232         $this->attrs['gosaAclEntry']= array();
1233       } else {
1234         if (isset($this->attrs['gosaAclEntry'])){
1235           unset($this->attrs['gosaAclEntry']);
1236         }
1237       }
1239       /* Remove object class */
1240       $this->attrs['objectClass']= array_remove_entries(array('gosaAcl'), $this->attrs['objectClass']);
1241     }    
1243     /* Do LDAP modifications */
1244     $ldap= $this->config->get_ldap_link();
1245     $ldap->cd($this->dn);
1246     $this->cleanup();
1247     $ldap->modify ($this->attrs);
1249     if(count($this->attrs)){
1250       new log("modify","acls/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
1251     }
1253     if (!$ldap->success()){
1254       msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $this->dn, LDAP_MOD, get_class()), ERROR_DIALOG);
1255     }
1257     /* Refresh users ACLs */
1258     $ui= get_userinfo();
1259     $ui->loadACL();
1260     session::global_set('ui',$ui);
1261   }
1264   function remove_from_parent()
1265   {
1266     plugin::remove_from_parent();
1268     /* include global link_info */
1269     $ldap= $this->config->get_ldap_link();
1271     $ldap->cd($this->dn);
1272     $this->cleanup();
1273     $ldap->modify ($this->attrs);
1275     new log("remove","acls/".get_class($this),$this->dn,array_keys($this->attrs),$ldap->get_error());
1277     /* Optionally execute a command after we're done */
1278     $this->handle_post_events("remove",array("uid" => $this->uid));
1279   }
1281   
1282   /* Return plugin informations for acl handling */
1283   static function plInfo()
1284   {
1285     return (array(
1286           "plShortName"   => _("ACL"),
1287           "plDescription" => _("ACL")."&nbsp;("._("Access control list").")",
1288           "plSelfModify"  => FALSE,
1289           "plDepends"     => array(),
1290           "plPriority"    => 0,
1291           "plSection"     => array("administration"),
1292           "plCategory"    => array("acl" => array("description"  => _("ACL")."&nbsp;&amp;&nbsp;"._("ACL roles"),
1293                                                           "objectClass"  => array("gosaAcl","gosaRole"))),
1294           "plProvidedAcls"=> array(
1295            "gosaAclEntry"          => _("ACL Entries")
1296             )
1298           ));
1299   }
1302   /* Remove acls defined for $src */
1303   function remove_acl()
1304   {
1305     acl::remove_acl_for($this->dn);
1306   }
1309   /* Remove acls defined for $src */
1310   static function remove_acl_for($dn)
1311   {                                  
1312     global $config;                  
1314     $ldap = $config->get_ldap_link();
1315     $ldap->cd($config->current['BASE']);
1316     $ldap->search("(&(objectClass=gosaAcl)(gosaAclEntry=*".base64_encode($dn)."*))",array("gosaAclEntry","dn"));
1317     $new_entries= array();                                                                                      
1318     while($attrs = $ldap->fetch()){                                                                             
1319       if (!isset($attrs['gosaAclEntry'])) {                                                                     
1320         continue;                                                                                               
1321       }                                                                                                         
1322       unset($attrs['gosaAclEntry']['count']);                                                                   
1324       // Remove entry directly
1325       foreach($attrs['gosaAclEntry'] as $id => $entry){
1326         $parts= explode(':',$entry);                     
1327         $members= explode(',',$parts[2]);                
1328         $new_members= array();                         
1329         foreach($members as $member) {                 
1330           if (base64_decode($member) != $dn) {         
1331             $new_members[]= $member;                   
1332           } else {                                     
1333             gosa_log("modify","users/acl",$attrs['dn'],array(),sprintf("Removed acl for %s on object %s.",$dn,$attrs['dn']));
1334           }                                                                                                                  
1335         }                                                                                                                    
1337         /* We can completely remove the entry if there are no members anymore */
1338         if (count($new_members)) {                                              
1339           $parts[2]= implode(",", $new_members);                                
1340           $new_entries[]= implode(":", $parts);                                 
1341         }                                                                       
1342       }                                                                         
1344       // There should be a modification, so write it back
1345       $ldap->cd($attrs['dn']);
1346       $new_attrs= array("gosaAclEntry" => $new_entries);
1347       $ldap->modify($new_attrs);
1348       if (!$ldap->success()){
1349         msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, LDAP_MOD, get_class()), ERROR_DIALOG);
1350       }
1351     }
1352   }
1355   function update_acl_membership($src,$dst)
1356   {
1357     $ldap = $this->config->get_ldap_link();
1358     $ldap->cd($this->config->current['BASE']);
1359     $ldap->search("(&(objectClass=gosaAcl)(gosaAclEntry=*".base64_encode($src)."*))",array("gosaAclEntry","dn"));
1360     while($attrs = $ldap->fetch()){
1361       $acl = new acl($this->config,$this->parent,$attrs['dn']);
1362       foreach($acl->gosaAclEntry as $id => $entry){
1363         foreach($entry['members'] as $m_id => $member){
1364           if($m_id == "U:".$src){
1365             unset($acl->gosaAclEntry[$id]['members'][$m_id]);
1366             $new = "U:".$dst;
1367             $acl->gosaAclEntry[$id]['members'][$new] = $new;
1368             gosa_log("modify","users/acl",$attrs['dn'],array(),sprintf("Updated acl for user %s on object %s.",$src,$attrs['dn']));
1369           }
1370           if($m_id == "G:".$src){
1371             unset($acl->gosaAclEntry[$id]['members'][$m_id]);
1372             $new = "G:".$dst;
1373             $acl->gosaAclEntry[$id]['members'][$new] = $new;
1374             gosa_log("modify","groups/acl",$attrs['dn'],array(),sprintf("Updated acl for group %s on object %s.",$src,$attrs['dn']));
1375           }
1376         }
1377       }
1378       $acl -> save();
1379     }
1380   }
1382   
1383   // We are only interessted in our own acls ... 
1384   function set_acl_category($category)
1385   {
1386     plugin::set_acl_category("acl");
1387   }
1390 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1391 ?>