Code

91a5dc5695c4d65ad7a487d40d35692269b8b807
[gosa.git] / include / class_acl.inc
1 <?php
3 class acl extends plugin
4 {
5   /* Definitions */
6   var $plHeadline= "Access control";
7   var $plDescription= "This does something";
9   /* attribute list for save action */
10   var $attributes= array('gosaAclEntry');
11   var $objectclasses= array('gosaAcl');
13   /* Helpers */
14   var $dialogState= "head";
15   var $gosaAclEntry= array();
16   var $aclType= "";
17   var $aclObject= "";
18   var $aclContents= array();
19   var $target= "group";
20   var $aclTypes= array();
21   var $aclObjects= array();
22   var $aclMyObjects= array();
23   var $users= array();
24   var $groups= array();
25   var $recipients= array();
26   var $isContainer= FALSE;
27   var $currentIndex= 0;
28   var $wasNewEntry= FALSE;
29   var $ocMapping= array();
30   var $savedAclContents= array();
33   function acl ($config, $parent, $dn= NULL)
34   {
35     /* Include config object */
36     plugin::plugin($config, $dn);
38     /* Load ACL's */
39     $this->gosaAclEntry= array();
40     if (isset($this->attrs['gosaAclEntry'])){
41       for ($i= 0; $i<$this->attrs['gosaAclEntry']['count']; $i++){
42         $acl= $this->attrs['gosaAclEntry'][$i];
43         $this->gosaAclEntry= array_merge($this->gosaAclEntry, $this->explodeACL($acl));
44       }
45     }
46     ksort($this->gosaAclEntry);
48     /* Save parent - we've to know more about it than other plugins... */
49     $this->parent= $parent;
51     /* Container? */
52     if (preg_match('/^(ou|c|l|dc)=/i', $dn)){
53       $this->isContainer= TRUE;
54     }
56     /* Users */
57     $ui= get_userinfo();
58     $tag= $ui->gosaUnitTag;
59     $ldap= $config->get_ldap_link();
60     $ldap->cd($config->current['BASE']);
61     if ($tag == ""){
62       $ldap->search('(objectClass=gosaAccount)', array('uid', 'cn'));
63     } else {
64       $ldap->search('(&(objectClass=gosaAccount)(gosaUnitTag='.$tag.'))', array('uid', 'cn'));
65     }
66     while ($attrs= $ldap->fetch()){
67       $this->users['U:'.$attrs['dn']]= $attrs['cn'][0].' ['.$attrs['uid'][0].']';
68     }
69     ksort($this->users);
71     /* Groups */
72     $ldap->cd($config->current['BASE']);
73     if ($tag == ""){
74       $ldap->search('(objectClass=posixGroup)', array('cn', 'description'));
75     } else {
76       $ldap->search('(&(objectClass=posixGroup)(gosaUnitTag='.$tag.'))', array('cn', 'description'));
77     }
78     while ($attrs= $ldap->fetch()){
79       $dsc= "";
80       if (isset($attrs['description'][0])){
81         $dsc= $attrs['description'][0];
82       }
83       $this->groups['G:'.$attrs['dn']]= $attrs['cn'][0].' ['.$dsc.']';
84     }
85     ksort($this->groups);
87     /* Objects */
88     $tmp= get_global('plist');
89     $plist= $tmp->info;
90     if (isset($this->parent)){
91       $oc= array();
92       foreach ($this->parent->by_object as $key => $obj){
93         $oc= array_merge($oc, $obj->objectclasses);
94       }
95       if (in_array_ics('organizationalUnit', $oc)){
96         $this->isContainer= TRUE;
97       }
98     } else {
99       $oc=  $this->attrs['objectClass'];
100     }
101     foreach ($plist as $class => $acls){
102       if (isset($acls['plDescription'])){
103         /* Only feed categories */
104         if (isset($acls['plDepends']['description'])){
105           if (is_array($acls['plDepends']['objectClass'])){
106             foreach($acls['plDepends']['objectClass'] as $oc){
107               $this->aclObjects[$oc]= $acls['plDepends']['description'];
108             }
109           } else {
110             $this->aclObjects[$acls['plDepends']['objectClass']]= $acls['plDepends']['description'];
111           }
112         }
114         /* Additionally filter the classes we're interested in in "self edit" mode */
115         if (is_array($acls['plDepends']['objectClass'])){
116           foreach($acls['plDepends']['objectClass'] as $hoc){
117             if (in_array_ics($hoc, $oc)){
118               $this->myAclObjects[$class]= $acls['plDescription'];
119               break;
120             }
121           }
122         } else {
123           if (in_array_ics($acls['plDepends']['objectClass'], $oc)){
124             $this->myAclObjects[$class]= $acls['plDescription'];
125           }
126         }
127       }
128     }
130     /* Add category for all objects */
131     asort($this->aclObjects);
133     /* Generate mapping object */
134     foreach ($plist as $oc => $pl){
135       if (isset($pl['plDepends']['objectClass'])){
136         if (is_array($pl['plDepends']['objectClass'])){
137           foreach($pl['plDepends']['objectClass'] as $class){
138             if (!isset($this->ocMapping[$class])){
139               $this->ocMapping[$class]= array();
140             }
141             $this->ocMapping[$class][]= $oc;
142           }
143         } else {
144           $class= $pl['plDepends']['objectClass'];
145           if (!isset($this->ocMapping[$class])){
146             $this->ocMapping[$class]= array();
147           }
148           $this->ocMapping[$class][]= $oc;
149         }
150       }
151     }
153     /* Fill acl types */
154     if ($this->isContainer){
155       $this->aclTypes= array("reset" => _("Reset ACLs"),
156                              "one" => _("One level"),
157                              "base" => _("Current object"),
158                              "sub" => _("Complete subtree"),
159                              "psub" => _("Complete subtree (permanent)"));
160                              //"role" => _("Use ACL defined in role"));
161     } else {
162       $this->aclTypes= array("base" => _("Current object"),
163           "role" => _("Use ACL defined in role"));
164     }
165     asort($this->aclTypes);
166     $this->targets= array("user" => _("Users"), "group" => _("Groups"));
167     asort($this->targets);
169     /* Finally - we want to get saved... */
170     $this->is_account= TRUE;
171   }
174   function execute()
175   {
176     /* Call parent execute */
177     plugin::execute();
179     $tmp= get_global('plist');
180     $plist= $tmp->info;
182     /* Handle posts */
183     if (isset($_POST['new_acl'])){
184       $this->dialogState= 'create';
185       $this->dialog= TRUE;
186       $this->currentIndex= count($this->gosaAclEntry);
187       $this->loadAclEntry(TRUE);
188     }
190     $new_acl= array();
191     $aclDialog= FALSE;
192     foreach($_POST as $name => $post){
194       /* Actions... */
195       if (preg_match('/^acl_edit_.*_x/', $name)){
196         $this->dialogState= 'create';
197         $this->dialog= TRUE;
198         $this->currentIndex= preg_replace('/^acl_edit_([0-9]+).*$/', '\1', $name);
199         $this->loadAclEntry();
200         continue;
201       }
202       if (preg_match('/^acl_del_.*_x/', $name)){
203         unset($this->gosaAclEntry[preg_replace('/^acl_del_([0-9]+).*$/', '\1', $name)]);
204         continue;
205       }
207       if (preg_match('/^cat_edit_.*_x/', $name)){
208         $this->aclObject= preg_replace('/^cat_edit_([^_]+)_.*$/', '\1', $name);
209         $this->dialogState= 'edit';
210         foreach ($this->ocMapping[$this->aclObject] as $oc){
211           if (isset($this->aclContents[$oc])){
212             $this->savedAclContents[$oc]= $this->aclContents[$oc];
213           }
214         }
215         continue;
216       }
217       if (preg_match('/^cat_del_.*_x/', $name)){
218         $idx= preg_replace('/^cat_del_([^_]+)_.*$/', '\1', $name);
219         foreach ($this->ocMapping[$idx] as $key){
220           unset($this->aclContents[$key]);
221         }
222         continue;
223       }
225       /* Sorting... */
226       if (preg_match('/^sortup_.*_x/', $name)){
227         $index= preg_replace('/^sortup_([0-9]+).*$/', '\1', $name);
228         if ($index > 0){
229           $tmp= $this->gosaAclEntry[$index];
230           $this->gosaAclEntry[$index]= $this->gosaAclEntry[$index-1];
231           $this->gosaAclEntry[$index-1]= $tmp;
232         }
233         continue;
234       }
235       if (preg_match('/^sortdown_.*_x/', $name)){
236         $index= preg_replace('/^sortdown_([0-9]+).*$/', '\1', $name);
237         if ($index < count($this->gosaAclEntry)-1){
238           $tmp= $this->gosaAclEntry[$index];
239           $this->gosaAclEntry[$index]= $this->gosaAclEntry[$index+1];
240           $this->gosaAclEntry[$index+1]= $tmp;
241         }
242         continue;
243       }
245       /* ACL saving... */
246       if (preg_match('/^acl_.*_[^xy]$/', $name)){
247         $aclDialog= TRUE;
248         list($dummy, $object, $attribute, $value)= split('_', $name);
250         /* Ordinary ACLs */
251         if (!isset($new_acl[$object])){
252           $new_acl[$object]= array();
253         }
254         if (isset($new_acl[$object][$attribute])){
255           $new_acl[$object][$attribute].= $value;
256         } else {
257           $new_acl[$object][$attribute]= $value;
258         }
259       }
260     }
261     
262     /* Only be interested in new acl's, if we're in the right _POST place */
263     if ($aclDialog && isset($this->ocMapping[$this->aclObject])){
264       foreach ($this->ocMapping[$this->aclObject] as $oc){
265         unset($this->aclContents[$oc]);
266         if (isset($new_acl[$oc])){
267           $this->aclContents[$oc]= $new_acl[$oc];
268         }
269       }
270     }
272     /* Save new acl in case of base edit mode */
273     if ($this->aclType == 'base'){
274       $this->aclContents= $new_acl;
275     }
277     /* Cancel new acl? */
278     if (isset($_POST['cancel_new_acl'])){
279       $this->dialogState= 'head';
280       $this->dialog= FALSE;
281       if ($this->wasNewEntry){
282         unset ($this->gosaAclEntry[$this->currentIndex]);
283       }
284     }
286     /* Store ACL in main object? */
287     if (isset($_POST['submit_new_acl'])){
288       $this->gosaAclEntry[$this->currentIndex]['type']= $this->aclType;
289       $this->gosaAclEntry[$this->currentIndex]['members']= $this->recipients;
290       $this->gosaAclEntry[$this->currentIndex]['acl']= $this->aclContents;
291       $this->dialogState= 'head';
292       $this->dialog= FALSE;
293     }
295     /* Cancel edit acl? */
296     if (isset($_POST['cancel_edit_acl'])){
297       $this->dialogState= 'create';
298       foreach ($this->ocMapping[$this->aclObject] as $oc){
299         if (isset($this->savedAclContents[$oc])){
300           $this->aclContents[$oc]= $this->savedAclContents[$oc];
301         }
302       }
303     }
305     /* Save edit acl? */
306     if (isset($_POST['submit_edit_acl'])){
307       $this->dialogState= 'create';
308     }
310     /* Add acl? */
311     if (isset($_POST['add_acl']) && $_POST['aclObject'] != ""){
312       $this->dialogState= 'edit';
313       $this->savedAclContents= array();
314       foreach ($this->ocMapping[$this->aclObject] as $oc){
315         if (isset($this->aclContents[$oc])){
316           $this->savedAclContents[$oc]= $this->aclContents[$oc];
317         }
318       }
319     }
321     /* Add to list? */
322     if (isset($_POST['add']) && isset($_POST['source'])){
323       foreach ($_POST['source'] as $key){
324         if ($this->target == 'user'){
325           $this->recipients[$key]= $this->users[$key];
326         }
327         if ($this->target == 'group'){
328           $this->recipients[$key]= $this->groups[$key];
329         }
330       }
331       ksort($this->recipients);
332     }
334     /* Remove from list? */
335     if (isset($_POST['del']) && isset($_POST['recipient'])){
336       foreach ($_POST['recipient'] as $key){
337           unset($this->recipients[$key]);
338       }
339     }
341     /* Save common values */
342     foreach (array("aclType", "aclObject", "target") as $key){
343       if (isset($_POST[$key])){
344         $this->$key= validate($_POST[$key]);
345       }
346     }
348     /* Create templating instance */
349     $smarty= get_smarty();
351     if ($this->dialogState == 'head'){
352       /* Draw list */
353       $aclList= new DivSelectBox("aclList");
354       $aclList->SetHeight(450);
355       
356       /* Fill in entries */
357       foreach ($this->gosaAclEntry as $key => $entry){
358         $field1= array("string" => $this->aclTypes[$entry['type']], "attach" => "style='width:100px'");
359         $field2= array("string" => $this->assembleAclSummary($entry));
360         $action= "<input type='image' name='sortup_$key' alt='up' title='"._("Up")."' src='images/sort_up.png' align='top'>";
361         $action.= "<input type='image' name='sortdown_$key' alt='down' title='"._("Down")."' src='images/sort_down.png'>";
362         $action.= "<input class='center' type='image' src='images/edit.png' alt='"._("edit")."' name='acl_edit_$key' title='"._("Edit ACL")."'>";
363         $action.= "<input class='center' type='image' src='images/edittrash.png' alt='"._("delete")."' name='acl_del_$key' title='"._("Delete ACL")."'>";
365         $field3= array("string" => $action, "attach" => "style='border-right:0px;width:50px';text-align:right");
366         $aclList->AddEntry(array($field1, $field2, $field3));
367       }
369       $smarty->assign("aclList", $aclList->DrawList());
370     }
372     if ($this->dialogState == 'create'){
373       /* Draw list */
374       $aclList= new DivSelectBox("aclList");
375       $aclList->SetHeight(150);
377       /* Add settings for all categories to the (permanent) list */
378       foreach ($this->aclObjects as $oc => $dsc){
379         $summary= "";
380         foreach ($plist as $key => $plugin){
381           if (isset($plugin['plDepends']['objectClass']) && $plugin['plDepends']['objectClass'] == $oc &&
382               isset($this->aclContents[$key])){
383             if (count($this->aclContents[$key]) && isset($this->aclContents[$key][0]) &&
384                 $this->aclContents[$key][0] != ""){
385               $summary.= "$key, ";
386               continue;
387             }
388             if (!isset($this->aclContents[$key][0]) && count($this->aclContents[$key])){
389               $summary.= "$key, ";
390             }
391           }
392         }
394         /* Set summary... */
395         if ($summary == ""){
396           $summary= '<i>'._("No ACL settings for this category").'</i>';
397         } else {
398           $summary= sprintf(_("Contains ACLs for these objects: %s"), preg_replace('/, $/', '', $summary));
399         }
401         $field1= array("string" => $dsc, "attach" => "style='width:100px'");
402         $field2= array("string" => $summary);
403         $action= "<input class='center' type='image' src='images/edit.png' alt='"._("edit")."' name='cat_edit_$oc' title='"._("Edit categories ACLs")."'>";
404         $action.= "<input class='center' type='image' src='images/edittrash.png' alt='"._("delete")."' name='cat_del_$oc' title='"._("Clear categories ACLs")."'>";
405         $field3= array("string" => $action, "attach" => "style='border-right:0px;width:50px'");
406         $aclList->AddEntry(array($field1, $field2, $field3));
407       }
409       $smarty->assign("aclList", $aclList->DrawList());
410       $smarty->assign("aclType", $this->aclType);
411       $smarty->assign("aclTypes", $this->aclTypes);
412       $smarty->assign("target", $this->target);
413       $smarty->assign("targets", $this->targets);
415       /* Assign possible target types */
416       $smarty->assign("targets", $this->targets);
417       foreach ($this->attributes as $attr){
418         $smarty->assign($attr, $this->$attr);
419       }
422       /* Generate list */
423       $tmp= array();
424       foreach (array("user" => "users", "group" => "groups") as $field => $arr){
425         if ($this->target == $field){
426           foreach ($this->$arr as $key => $value){
427             if (!isset($this->recipients[$key])){
428               $tmp[$key]= $value;
429             }
430           }
431         }
432       }
433       $smarty->assign('sources', $tmp);
434       $smarty->assign('recipients', $this->recipients);
436       /* Acl selector if scope is base */
437       if ($this->aclType == 'base'){
438         $smarty->assign('aclSelector', $this->buildAclSelector($this->myAclObjects));
439       }
440     }
442     if ($this->dialogState == 'edit'){
443       $smarty->assign('headline', sprintf(_("Edit ACL for '%s', scope is '%s'"), $this->aclObjects[$this->aclObject], $this->aclTypes[$this->aclType]));
445       /* Collect objects for selected category */
446       $aclObjects= array();
448       foreach ($plist as $class => $acls){
449         if (isset($acls['plDepends']['objectClass'])){
450           if (is_array($acls['plDepends']['objectClass'])){
451             foreach($acls['plDepends']['objectClass'] as $coc){
452               if ($coc == $this->aclObject){
453                 $aclObjects[$class]= $acls['plDescription'];
454                 break;
455               }
456             }
457           } else {
458             if ($acls['plDepends']['objectClass'] == $this->aclObject){
459               $aclObjects[$class]= $acls['plDescription'];
460             }
461           }
462         }
463       }
465       $smarty->assign('aclSelector', $this->buildAclSelector($aclObjects));
466     }
468     /* Show main page */
469     $smarty->assign("dialogState", $this->dialogState);
471     return ($smarty->fetch (get_template_path('acl.tpl')));
472   }
474   
475   function buildAclSelector($list)
476   {
477     $display= "";
478     $cols= 3;
479     $tmp= get_global('plist');
480     $plist= $tmp->info;
481     asort($plist);
483     /* Generate global options */
484 #    $key= "global";
485 #    $display.= "<table style='width:100%;border:1px solid #C04040' cellspacing=0 cellpadding=2><tr><td style='background-color:#D88888;height:1.8em' colspan=$cols><b>"._("All objects of this category")."</b></td></tr>";
487 #    $spc= "&nbsp;&nbsp;";
488 #    if ($this->isContainer && $this->aclType != 'base'){
489 #      $options= $this->mkchkbx($key."_0_c",  _("Create objects"), preg_match('/c/', $currentAcl[0])).$spc;
490 #      $options.= $this->mkchkbx($key."_0_m", _("Move objects"), preg_match('/m/', $currentAcl[0])).$spc;
491 #      $options.= $this->mkchkbx($key."_0_d", _("Remove objects"), preg_match('/d/', $currentAcl[0])).$spc;
492 #      if ($plist[$key]['plSelfModify']){
493 #        $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
494 #      }
495 #    } else {
496 #      $options= $this->mkchkbx($key."_0_m", _("Move object"), preg_match('/m/', $currentAcl[0])).$spc;
497 #      $options.= $this->mkchkbx($key."_0_d", _("Remove object"), preg_match('/d/', $currentAcl[0])).$spc;
498 #      if ($plist[$key]['plSelfModify']){
499 #        $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
500 #      }
501 #    }
503 #    /* Global options */
504 #    $more_options= $this->mkchkbx($key."_0_r",  _("read"), preg_match('/r/', $currentAcl[0])).$spc;
505 #    $more_options.= $this->mkchkbx($key."_0_w", _("write"), preg_match('/w/', $currentAcl[0]));
507 #    $display.= "<tr><td style='background-color:#E0E0E0' colspan=".($cols-1).">$options</td><td style='background-color:#D4D4D4'>&nbsp;".("Complete object:")." $more_options</td></tr></table><br>";
508     
509     /* Build general objects */
510     foreach ($list as $key => $name){
512       /* Create sub acl if it does not exist */
513       if (!isset($this->aclContents[$key])){
514         $this->aclContents[$key]= array();
515       }
516       if (!isset($this->aclContents[$key][0])){
517         $this->aclContents[$key][0]= '';
518       }
519       $currentAcl= $this->aclContents[$key];
521       /* Object header */
522       $display.= "<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2><tr><td style='background-color:#C8C8C8;height:1.8em' colspan=$cols><b>"._("Object").": $name</b></td></tr>";
524       /* Generate options */
525       $spc= "&nbsp;&nbsp;";
526       if ($this->isContainer && $this->aclType != 'base'){
527         $options= $this->mkchkbx($key."_0_c",  _("Create objects"), preg_match('/c/', $currentAcl[0])).$spc;
528         $options.= $this->mkchkbx($key."_0_m", _("Move objects"), preg_match('/m/', $currentAcl[0])).$spc;
529         $options.= $this->mkchkbx($key."_0_d", _("Remove objects"), preg_match('/d/', $currentAcl[0])).$spc;
530         if ($plist[$key]['plSelfModify']){
531           $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
532         }
533       } else {
534         $options= $this->mkchkbx($key."_0_m", _("Move object"), preg_match('/m/', $currentAcl[0])).$spc;
535         $options.= $this->mkchkbx($key."_0_d", _("Remove object"), preg_match('/d/', $currentAcl[0])).$spc;
536         if ($plist[$key]['plSelfModify']){
537           $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
538         }
539       }
541       /* Global options */
542       $more_options= $this->mkchkbx($key."_0_r",  _("read"), preg_match('/r/', $currentAcl[0])).$spc;
543       $more_options.= $this->mkchkbx($key."_0_w", _("write"), preg_match('/w/', $currentAcl[0]));
545       $display.= "<tr><td style='background-color:#E0E0E0' colspan=".($cols-1).">$options</td><td style='background-color:#D4D4D4'>&nbsp;".("Complete object:")." $more_options</td></tr>";
547       /* Walk through the list of attributes */
548       $cnt= 1;
549       $splist= $plist[$key];
550       asort($splist);
551       foreach($splist as $attr => $dsc){
553         /* Skip pl* attributes, they are internal... */
554         if (preg_match('/^pl[A-Z]+.*$/', $attr)){
555           continue;
556         }
558         /* Open table row */
559         if ($cnt == 1){
560           $display.= "<tr>";
561         }
563         /* Close table row */
564         if ($cnt == $cols){
565           $cnt= 1;
566           $rb= "";
567           $end= "</tr>";
568         } else {
569           $cnt++;
570           $rb= "border-right:1px solid #A0A0A0;";
571           $end= "";
572         }
574         /* Collect list of attributes */
575         $state= "";
576         if (isset($currentAcl[$attr])){
577           $state= $currentAcl[$attr];
578         }
579         $display.= "<td style='border-top:1px solid #A0A0A0;${rb}width:".(int)(100/$cols)."%'><b>$dsc</b> ($attr)<br>".$this->mkrwbx($key."_".$attr, $state)."</td>$end";
580       }
581       
582       /* Fill missing td's if needed */
583       if (--$cnt != $cols && $cnt != 0){
584        $display.= str_repeat("<td style='border-top:1px solid #A0A0A0; width:".(int)(100/$cols)."%'>&nbsp;</td>", $cols-$cnt); 
585       }
587       $display.= "</table><br>";
588     }
590     return ($display);
591   }
594   function mkchkbx($name, $text, $state= FALSE)
595   {
596     $state= $state?"checked":"";
597     return "<input id='acl_$name' type=checkbox name='acl_$name' $state><label for='acl_$name'>$text</label>";
598   }
601   function mkrwbx($name, $state= "")
602   {
603     $rstate= preg_match('/r/', $state)?'checked':'';
604     $wstate= preg_match('/w/', $state)?'checked':'';
605     return ("<input id='acl_${name}_r' type=checkbox name='acl_${name}_r' $rstate><label for='acl_${name}_r'>"._("read")."</label>".
606             "<input id='acl_${name}_w' type=checkbox name='acl_${name}_w' $wstate><label for='acl_${name}_w'>"._("write")."</label>");
607   }
610   function explodeACL($acl)
611   {
612     list($index, $type)= split(':', $acl);
613     $a= array( $index => array("type" => $type,
614                                "members" => acl::extractMembers($acl)));
615     
616     /* Handle different types */
617     switch ($type){
619       case 'psub':
620       case 'sub':
621       case 'one':
622       case 'base':
623         $a[$index]['acl']= acl::extractACL($acl);
624         break;
625       
626       case 'role':
627         echo "Role";
628         break;
630       case 'reset':
631         break;
632       
633       default:
634         print_red(sprintf(_("Unkown ACL type '%s'. Don't know how to handle it."), $type));
635         $a= array();
636     }
637     
638     return ($a);
639   }
642   function extractMembers($acl)
643   {
644     global $config;
645     $a= array();
647     /* Rip acl off the string, seperate by ',' and place it in an array */
648     $ms= preg_replace('/^[^:]+:[^:]+:([^:]+).*$/', '\1', $acl);
649     if ($ms == $acl){
650       return $a;
651     }
652     $ma= split(',', $ms);
654     /* Decode dn's, fill with informations from LDAP */
655     $ldap= $config->get_ldap_link();
656     foreach ($ma as $memberdn){
657       $dn= base64_decode($memberdn);
658       $ldap->cat($dn, array('cn', 'objectClass', 'description', 'uid'));
660       /* Found entry... */
661       if ($ldap->count()){
662         $attrs= $ldap->fetch();
663         if (in_array_ics('gosaAccount', $attrs['objectClass'])){
664           $a['U:'.$dn]= $attrs['cn'][0]." [".$attrs['uid'][0]."]";
665         } else {
666           $a['G:'.$dn]= $attrs['cn'][0];
667           if (isset($attrs['description'][0])){
668             $a['G:'.$dn].= " [".$attrs['description'][0]."]";
669           }
670         }
672       /* ... or not */
673       } else {
674         $a['U:'.$dn]= sprintf(_("Unknown entry '%s'!"), $dn);
675       }
676     }
678     return ($a);
679   }
682   function extractACL($acl)
683   {
684     /* Rip acl off the string, seperate by ',' and place it in an array */
685     $as= preg_replace('/^[^:]+:[^:]+:[^:]*:(.*)$/', '\1', $acl);
686     $aa= split(',', $as);
687     $a= array();
689     /* Dis-assemble single ACLs */
690     foreach($aa as $sacl){
691       
692       /* Dis-assemble field ACLs */
693       $ao= split('#', $sacl);
694       $gobject= "";
695       foreach($ao as $idx => $ssacl){
697         /* First is department with global acl */
698         $object= preg_replace('/^([^;]+);.*$/', '\1', $ssacl);
699         $gacl=   preg_replace('/^[^;]+;(.*)$/', '\1', $ssacl);
700         if ($idx == 0){
701           /* Create hash for this object */
702           $gobject= $object;
703           $a[$gobject]= array();
705           /* Append ACL if set */
706           if ($gacl != ""){
707             $a[$gobject]= array($gacl);
708           }
709         } else {
711           /* All other entries get appended... */
712           list($field, $facl)= split(';', $ssacl);
713           $a[$gobject][$field]= $facl;
714         }
716       }
717     }
719     return ($a);
720   }
722   
723   function assembleAclSummary($entry)
724   {
725     $summary= "";
727     /* Summarize ACL */
728     if (isset($entry['acl'])){
729       $acl= "";
730       foreach ($entry['acl'] as $name => $object){
731         if (count($object)){
732           $acl.= "$name, ";
733         }
734       }
735       $summary.= sprintf(_("Contains settings for these objects: %s"), preg_replace('/, $/', '', $acl));
736     }
738     /* Summarize members */
739     if ($summary != ""){
740       $summary.= ", ";
741     }
742     if (count($entry['members'])){
743       $summary.= _("Members:")." ";
744       foreach ($entry['members'] as $cn){
745         $cn= preg_replace('/ \[.*$/', '', $cn);
746         $summary.= $cn.", ";
747       }
748     } else {
749       $summary.= _("ACL is valid for all users");
750     }
752     return (preg_replace('/, $/', '', $summary));
753   }
756   function loadAclEntry($new= FALSE)
757   {
758     /* New entry gets presets... */
759     if ($new){
760       $this->aclType= 'base';
761       $this->recipients= array();
762       $this->aclContents= array();
763     } else {
764       $acl= $this->gosaAclEntry[$this->currentIndex];
765       $this->aclType= $acl['type'];
766       $this->recipients= $acl['members'];
767       $this->aclContents= $acl['acl'];
768     }
770     $this->wasNewEntry= $new;
771   }
774   function aclPostHandler()
775   {
776     if (isset($_POST['save_acl'])){
777       $this->save();
778       return TRUE;
779     }
781     return FALSE;
782   }
785   function save()
786   {
787     /* Assemble ACL's */
788     $tmp_acl= array();
789     foreach ($this->gosaAclEntry as $prio => $entry){
790       $final= "";
791       $members= "";
792       if (isset($entry['members'])){
793         foreach ($entry['members'] as $key => $dummy){
794           $members.= base64_encode(preg_replace('/^.:/', '', $key)).',';
795         }
796       }
797       $final= $prio.":".$entry['type'].":".preg_replace('/,$/', '', $members);
799       /* ACL's if needed */
800       if ($entry['type'] != "reset" && $entry['type'] != "role"){
801         $acl= ":";
802         if (isset($entry['acl'])){
803           foreach ($entry['acl'] as $object => $contents){
805             /* Only save, if we've some contents in there... */
806             if (count($contents)){
807               $acl.= $object.";";
809               foreach($contents as $attr => $permission){
811                 /* First entry? Its the one for global settings... */
812                 if ($attr == '0'){
813                   $acl.= $permission;
814                 } else {
815                   $acl.= '#'.$attr.';'.$permission;
816                 }
818               }
819               $acl.= ',';
820             }
821             
822           }
823         }
824         $final.= preg_replace('/,$/', '', $acl);
825       }
827       $tmp_acl[]= $final;
828     } 
830     /* Call main method */
831     plugin::save();
833     /* Finally (re-)assign it... */
834     $this->attrs['gosaAclEntry']= $tmp_acl;
836     /* Remove acl from this entry if it is empty... */
837     if (!count($tmp_acl)){
838       /* Remove attribute */
839       if ($this->initially_was_account){
840         $this->attrs['gosaAclEntry']= array();
841       } else {
842         if (isset($this->attrs['gosaAclEntry'])){
843           unset($this->attrs['gosaAclEntry']);
844         }
845       }
847       /* Remove object class */
848       $this->attrs['objectClass']= array_remove_entries(array('gosaAcl'), $this->attrs['objectClass']);
849     }    
851     /* Do LDAP modifications */
852     $ldap= $this->config->get_ldap_link();
853     $ldap->cd($this->dn);
854     $this->cleanup();
855     $ldap->modify ($this->attrs);
857     show_ldap_error($ldap->get_error(), sprintf(_("Saving ACLs with dn '%s' failed."),$this->dn));
858   }
861   function remove_from_parent()
862   {
863   }
867 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
868 ?>