include/class_acl.inc

   1 <?php
   2
   3 class acl extends plugin
   4 {
   5   /* Definitions */
   6   var $plHeadline= "Access control";
   7   var $plDescription= "This does something";
   8
   9   /* attribute list for save action */
  10   var $attributes= array('gosaAclEntry');
  11   var $objectclasses= array('gosaAcl');
  12
  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 $savedAclContents= array();
  31
  32
  33   function acl ($config, $parent, $dn= NULL)
  34   {
  35     /* Include config object */
  36     plugin::plugin($config, $dn);
  37
  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);
  47
  48     /* Save parent - we've to know more about it than other plugins... */
  49     $this->parent= $parent;
  50
  51     /* Container? */
  52     if (preg_match('/^(ou|c|l|dc)=/i', $dn)){
  53       $this->isContainer= TRUE;
  54     }
  55
  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);
  70
  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);
  86
  87     /* Objects */
  88     $tmp= get_global('plist');
  89     $plist= $tmp->info;
  90     if (isset($this->parent) && $this->parent != NULL){
  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=  $this->attrs['objectClass'];
 100     }
 101
 102
 103     /* Extract available categories from plugin info list */
 104     foreach ($plist as $class => $acls){
 105
 106       /* Only feed categories */
 107       if (isset($acls['plCategory'])){
 108
 109         /* Walk through supplied list and feed only translated categories */
 110         foreach($acls['plCategory'] as $idx => $data){
 111
 112           /* Non numeric index means -> base object containing more informations */
 113           if (preg_match('/^[0-9]+$/', $idx)){
 114             if (!isset($this->ocMapping[$data])){
 115               $this->ocMapping[$data]= array();
 116               $this->ocMapping[$data][]= '0';
 117             }
 118             $this->ocMapping[$data][]= $class;
 119           } else {
 120             if (!isset($this->ocMapping[$idx])){
 121               $this->ocMapping[$idx]= array();
 122               $this->ocMapping[$idx][]= '0';
 123             }
 124             $this->ocMapping[$idx][]= $class;
 125             $this->aclObjects[$idx]= $data['description'];
 126
 127             /* Additionally filter the classes we're interested in in "self edit" mode */
 128             if (is_array($data['objectClass'])){
 129               foreach($data['objectClass'] as $objectClass){
 130                 if (in_array_ics($objectClass, $oc)){
 131                   $this->myAclObjects[$idx.'/'.$class]= $acls['plDescription'];
 132                   break;
 133                 }
 134               }
 135             } else {
 136               if (in_array_ics($data['objectClass'], $oc)){
 137                 $this->myAclObjects[$idx.'/'.$class]= $acls['plDescription'];
 138               }
 139             }
 140           }
 141
 142         }
 143       }
 144     }
 145     $this->aclObjects['all']= '*&nbsp;'._("All categories");
 146     $this->ocMapping['all']= array('0' => 'all');
 147
 148     /* Sort categories */
 149     asort($this->aclObjects);
 150
 151     /* Fill acl types */
 152     if ($this->isContainer){
 153       $this->aclTypes= array("reset" => _("Reset ACLs"),
 154                              "one" => _("One level"),
 155                              "base" => _("Current object"),
 156                              "sub" => _("Complete subtree"),
 157                              "psub" => _("Complete subtree (permanent)"));
 158                              //"role" => _("Use ACL defined in role"));
 159     } else {
 160       $this->aclTypes= array("base" => _("Current object"),
 161           "role" => _("Use ACL defined in role"));
 162     }
 163     asort($this->aclTypes);
 164     $this->targets= array("user" => _("Users"), "group" => _("Groups"));
 165     asort($this->targets);
 166
 167     /* Finally - we want to get saved... */
 168     $this->is_account= TRUE;
 169   }
 170
 171
 172   function execute()
 173   {
 174     /* Call parent execute */
 175     plugin::execute();
 176
 177     $tmp= get_global('plist');
 178     $plist= $tmp->info;
 179
 180     /* Handle posts */
 181     if (isset($_POST['new_acl'])){
 182       $this->dialogState= 'create';
 183       $this->dialog= TRUE;
 184       $this->currentIndex= count($this->gosaAclEntry);
 185       $this->loadAclEntry(TRUE);
 186     }
 187
 188     $new_acl= array();
 189     $aclDialog= FALSE;
 190     foreach($_POST as $name => $post){
 191
 192       /* Actions... */
 193       if (preg_match('/^acl_edit_.*_x/', $name)){
 194         $this->dialogState= 'create';
 195         $this->dialog= TRUE;
 196         $this->currentIndex= preg_replace('/^acl_edit_([0-9]+).*$/', '\1', $name);
 197         $this->loadAclEntry();
 198         continue;
 199       }
 200       if (preg_match('/^acl_del_.*_x/', $name)){
 201         unset($this->gosaAclEntry[preg_replace('/^acl_del_([0-9]+).*$/', '\1', $name)]);
 202         continue;
 203       }
 204
 205       if (preg_match('/^cat_edit_.*_x/', $name)){
 206         $this->aclObject= preg_replace('/^cat_edit_([^_]+)_.*$/', '\1', $name);
 207         $this->dialogState= 'edit';
 208         foreach ($this->ocMapping[$this->aclObject] as $oc){
 209           if (isset($this->aclContents[$oc])){
 210             $this->savedAclContents[$oc]= $this->aclContents[$oc];
 211           }
 212         }
 213         continue;
 214       }
 215       if (preg_match('/^cat_del_.*_x/', $name)){
 216         $idx= preg_replace('/^cat_del_([^_]+)_.*$/', '\1', $name);
 217         foreach ($this->ocMapping[$idx] as $key){
 218           unset($this->aclContents["$idx/$key"]);
 219         }
 220         continue;
 221       }
 222
 223       /* Sorting... */
 224       if (preg_match('/^sortup_.*_x/', $name)){
 225         $index= preg_replace('/^sortup_([0-9]+).*$/', '\1', $name);
 226         if ($index > 0){
 227           $tmp= $this->gosaAclEntry[$index];
 228           $this->gosaAclEntry[$index]= $this->gosaAclEntry[$index-1];
 229           $this->gosaAclEntry[$index-1]= $tmp;
 230         }
 231         continue;
 232       }
 233       if (preg_match('/^sortdown_.*_x/', $name)){
 234         $index= preg_replace('/^sortdown_([0-9]+).*$/', '\1', $name);
 235         if ($index < count($this->gosaAclEntry)-1){
 236           $tmp= $this->gosaAclEntry[$index];
 237           $this->gosaAclEntry[$index]= $this->gosaAclEntry[$index+1];
 238           $this->gosaAclEntry[$index+1]= $tmp;
 239         }
 240         continue;
 241       }
 242
 243       /* ACL saving... */
 244       if (preg_match('/^acl_.*_[^xy]$/', $name)){
 245         $aclDialog= TRUE;
 246         list($dummy, $object, $attribute, $value)= split('_', $name);
 247
 248         /* Skip for detection entry */
 249         if ($object == 'dummy') {
 250           continue;
 251         }
 252
 253         /* Ordinary ACLs */
 254         if (!isset($new_acl[$object])){
 255           $new_acl[$object]= array();
 256         }
 257         if (isset($new_acl[$object][$attribute])){
 258           $new_acl[$object][$attribute].= $value;
 259         } else {
 260           $new_acl[$object][$attribute]= $value;
 261         }
 262       }
 263     }
 264
 265     /* Only be interested in new acl's, if we're in the right _POST place */
 266     if ($aclDialog && is_array($this->ocMapping[$this->aclObject])){
 267
 268       foreach ($this->ocMapping[$this->aclObject] as $oc){
 269         unset($this->aclContents[$oc]);
 270         unset($this->aclContents[$this->aclObject.'/'.$oc]);
 271         if (isset($new_acl[$oc])){
 272           $this->aclContents[$oc]= $new_acl[$oc];
 273         }
 274         if (isset($new_acl[$this->aclObject.'/'.$oc])){
 275           $this->aclContents[$this->aclObject.'/'.$oc]= $new_acl[$this->aclObject.'/'.$oc];
 276         }
 277       }
 278     }
 279
 280     /* Save new acl in case of base edit mode */
 281     if ($this->aclType == 'base'){
 282       $this->aclContents= $new_acl;
 283     }
 284
 285     /* Cancel new acl? */
 286     if (isset($_POST['cancel_new_acl'])){
 287       $this->dialogState= 'head';
 288       $this->dialog= FALSE;
 289       if ($this->wasNewEntry){
 290         unset ($this->gosaAclEntry[$this->currentIndex]);
 291       }
 292     }
 293
 294     /* Store ACL in main object? */
 295     if (isset($_POST['submit_new_acl'])){
 296       $this->gosaAclEntry[$this->currentIndex]['type']= $this->aclType;
 297       $this->gosaAclEntry[$this->currentIndex]['members']= $this->recipients;
 298       $this->gosaAclEntry[$this->currentIndex]['acl']= $this->aclContents;
 299       $this->dialogState= 'head';
 300       $this->dialog= FALSE;
 301     }
 302
 303     /* Cancel edit acl? */
 304     if (isset($_POST['cancel_edit_acl'])){
 305       $this->dialogState= 'create';
 306       foreach ($this->ocMapping[$this->aclObject] as $oc){
 307         if (isset($this->savedAclContents[$oc])){
 308           $this->aclContents[$oc]= $this->savedAclContents[$oc];
 309         }
 310       }
 311     }
 312
 313     /* Save edit acl? */
 314     if (isset($_POST['submit_edit_acl'])){
 315       $this->dialogState= 'create';
 316     }
 317
 318     /* Add acl? */
 319     if (isset($_POST['add_acl']) && $_POST['aclObject'] != ""){
 320       $this->dialogState= 'edit';
 321       $this->savedAclContents= array();
 322       foreach ($this->ocMapping[$this->aclObject] as $oc){
 323         if (isset($this->aclContents[$oc])){
 324           $this->savedAclContents[$oc]= $this->aclContents[$oc];
 325         }
 326       }
 327     }
 328
 329     /* Add to list? */
 330     if (isset($_POST['add']) && isset($_POST['source'])){
 331       foreach ($_POST['source'] as $key){
 332         if ($this->target == 'user'){
 333           $this->recipients[$key]= $this->users[$key];
 334         }
 335         if ($this->target == 'group'){
 336           $this->recipients[$key]= $this->groups[$key];
 337         }
 338       }
 339       ksort($this->recipients);
 340     }
 341
 342     /* Remove from list? */
 343     if (isset($_POST['del']) && isset($_POST['recipient'])){
 344       foreach ($_POST['recipient'] as $key){
 345           unset($this->recipients[$key]);
 346       }
 347     }
 348
 349     /* Save common values */
 350     foreach (array("aclType", "aclObject", "target") as $key){
 351       if (isset($_POST[$key])){
 352         $this->$key= validate($_POST[$key]);
 353       }
 354     }
 355
 356     /* Create templating instance */
 357     $smarty= get_smarty();
 358
 359     if ($this->dialogState == 'head'){
 360       /* Draw list */
 361       $aclList= new DivSelectBox("aclList");
 362       $aclList->SetHeight(450);
 363
 364       /* Fill in entries */
 365       foreach ($this->gosaAclEntry as $key => $entry){
 366         $field1= array("string" => $this->aclTypes[$entry['type']], "attach" => "style='width:100px'");
 367         $field2= array("string" => $this->assembleAclSummary($entry));
 368         $action= "<input type='image' name='sortup_$key' alt='up' title='"._("Up")."' src='images/sort_up.png' align='top'>";
 369         $action.= "<input type='image' name='sortdown_$key' alt='down' title='"._("Down")."' src='images/sort_down.png'>";
 370         $action.= "<input class='center' type='image' src='images/edit.png' alt='"._("edit")."' name='acl_edit_$key' title='"._("Edit ACL")."'>";
 371         $action.= "<input class='center' type='image' src='images/edittrash.png' alt='"._("delete")."' name='acl_del_$key' title='"._("Delete ACL")."'>";
 372
 373         $field3= array("string" => $action, "attach" => "style='border-right:0px;width:50px;text-align:right;'");
 374         $aclList->AddEntry(array($field1, $field2, $field3));
 375       }
 376
 377       $smarty->assign("aclList", $aclList->DrawList());
 378     }
 379
 380     if ($this->dialogState == 'create'){
 381       /* Draw list */
 382       $aclList= new DivSelectBox("aclList");
 383       $aclList->SetHeight(150);
 384
 385       /* Add settings for all categories to the (permanent) list */
 386       foreach ($this->aclObjects as $section => $dsc){
 387         $summary= "";
 388         foreach($this->ocMapping[$section] as $oc){
 389           if (isset($this->aclContents[$oc]) && count($this->aclContents[$oc]) && isset($this->aclContents[$oc][0]) &&
 390               $this->aclContents[$oc][0] != ""){
 391
 392             $summary.= "$oc, ";
 393             continue;
 394           }
 395           if (isset($this->aclContents["$section/$oc"]) && count($this->aclContents["$section/$oc"]) && isset($this->aclContents["$section/$oc"][0]) &&
 396               $this->aclContents["$section/$oc"][0] != ""){
 397
 398             $summary.= "$oc, ";
 399             continue;
 400           }
 401           if (isset($this->aclContents[$oc]) && !isset($this->aclContents[$oc][0]) && count($this->aclContents[$oc])){
 402             $summary.= "$oc, ";
 403           }
 404         }
 405
 406         /* Set summary... */
 407         if ($summary == ""){
 408           $summary= '<i>'._("No ACL settings for this category").'</i>';
 409         } else {
 410           $summary= sprintf(_("Contains ACLs for these objects: %s"), preg_replace('/, $/', '', $summary));
 411         }
 412
 413         $field1= array("string" => $dsc, "attach" => "style='width:100px'");
 414         $field2= array("string" => $summary);
 415         $action= "<input class='center' type='image' src='images/edit.png' alt='"._("edit")."' name='cat_edit_$section' title='"._("Edit categories ACLs")."'>";
 416         $action.= "<input class='center' type='image' src='images/edittrash.png' alt='"._("delete")."' name='cat_del_$section' title='"._("Clear categories ACLs")."'>";
 417         $field3= array("string" => $action, "attach" => "style='border-right:0px;width:50px'");
 418         $aclList->AddEntry(array($field1, $field2, $field3));
 419       }
 420
 421       $smarty->assign("aclList", $aclList->DrawList());
 422       $smarty->assign("aclType", $this->aclType);
 423       $smarty->assign("aclTypes", $this->aclTypes);
 424       $smarty->assign("target", $this->target);
 425       $smarty->assign("targets", $this->targets);
 426
 427       /* Assign possible target types */
 428       $smarty->assign("targets", $this->targets);
 429       foreach ($this->attributes as $attr){
 430         $smarty->assign($attr, $this->$attr);
 431       }
 432
 433
 434       /* Generate list */
 435       $tmp= array();
 436       foreach (array("user" => "users", "group" => "groups") as $field => $arr){
 437         if ($this->target == $field){
 438           foreach ($this->$arr as $key => $value){
 439             if (!isset($this->recipients[$key])){
 440               $tmp[$key]= $value;
 441             }
 442           }
 443         }
 444       }
 445       $smarty->assign('sources', $tmp);
 446       $smarty->assign('recipients', $this->recipients);
 447
 448       /* Acl selector if scope is base */
 449       if ($this->aclType == 'base'){
 450         $smarty->assign('aclSelector', $this->buildAclSelector($this->myAclObjects));
 451       }
 452     }
 453
 454     if ($this->dialogState == 'edit'){
 455       $smarty->assign('headline', sprintf(_("Edit ACL for '%s', scope is '%s'"), $this->aclObjects[$this->aclObject], $this->aclTypes[$this->aclType]));
 456
 457       /* Collect objects for selected category */
 458       foreach ($this->ocMapping[$this->aclObject] as $idx => $class){
 459         if ($idx == 0){
 460           continue;
 461         }
 462         $aclObjects[$this->aclObject.'/'.$class]= $plist[$class]['plDescription'];
 463       }
 464       if ($this->aclObject == 'all'){
 465         $aclObjects['all']= _("All objects in current subtree");
 466       }
 467       $smarty->assign('aclSelector', $this->buildAclSelector($aclObjects));
 468     }
 469
 470     /* Show main page */
 471     $smarty->assign("dialogState", $this->dialogState);
 472
 473     return ($smarty->fetch (get_template_path('acl.tpl')));
 474   }
 475
 476   function sort_by_priority($list)
 477   {
 478     $tmp= get_global('plist');
 479     $plist= $tmp->info;
 480     asort($plist);
 481
 482     foreach($list as $name => $translation){
 483       $na  =  preg_replace("/^.*\//","",$name);
 484       $prio=  $plist[$na]['plPriority'] ;
 485
 486       $newSort[$name] = $prio;
 487     }
 488
 489     asort($newSort);
 490
 491     $ret = array();
 492     foreach($newSort as $name => $prio){
 493       $ret[$name] = $list[$name];
 494     }
 495     return($ret);
 496   }
 497
 498   function buildAclSelector($list)
 499   {
 500     $display= "<input type='hidden' name='acl_dummy_0_0_0' value='1'>";
 501     $cols= 3;
 502     $tmp= get_global('plist');
 503     $plist= $tmp->info;
 504     asort($plist);
 505
 506     /* Build general objects */
 507
 508     $list =$this->sort_by_priority($list);
 509     foreach ($list as $key => $name){
 510
 511       /* Create sub acl if it does not exist */
 512       if (!isset($this->aclContents[$key])){
 513         $this->aclContents[$key]= array();
 514         $this->aclContents[$key][0]= '';
 515       }
 516       $currentAcl= $this->aclContents[$key];
 517
 518       /* Object header */
 519       if($_SESSION['js']) {
 520         if(isset($_SERVER['HTTP_USER_AGENT']) && preg_match("/gecko/i",$_SERVER['HTTP_USER_AGENT'])) {
 521           $display.= "\n<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2>".
 522                      "\n  <tr>".
 523                      "\n    <td style='background-color:#C8C8C8;height:1.8em;' colspan=".($cols-1)."><b>"._("Object").": $name</b></td>".
 524                      "\n    <td align='right' style='background-color:#C8C8C8;height:1.8em;'>".
 525                      "\n    <input type='button' onclick='divtoggle(\"".preg_replace("/[^a-z0-9]/i","_",$name)."\");' value='"._("Show/Hide Advanced Settings")."' /></td>".
 526                      "\n  </tr>";
 527         } else if (isset($_SERVER['HTTP_USER_AGENT']) && preg_match("/ie/i",$_SERVER['HTTP_USER_AGENT'])) {
 528           $display.= "\n<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2>".
 529                      "\n  <tr>".
 530                      "\n    <td style='background-color:#C8C8C8;height:1.8em;' colspan=".($cols-1)."><b>"._("Object").": $name</b></td>".
 531                      "\n    <td align='right' style='background-color:#C8C8C8;height:1.8em;'>".
 532                      "\n    <input type='button' onclick='divtoggle(\"".preg_replace("/[^a-z0-9]/i","_",$name)."\");' value='"._("Show/Hide Advanced Settings")."' /></td>".
 533                      "\n  </tr>";
 534         } else {
 535           $display.= "\n<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2>".
 536                      "\n  <tr>".
 537                      "\n    <td style='background-color:#C8C8C8;height:1.8em;' colspan=$cols><b>"._("Object").": $name</b></td>".
 538                      "\n  </tr>";
 539         }
 540       } else {
 541           $display.= "\n<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2>".
 542                      "\n  <tr>".
 543                      "\n    <td style='background-color:#C8C8C8;height:1.8em;' colspan=$cols><b>"._("Object").": $name</b></td>".
 544                      "\n  </tr>";
 545       }
 546
 547       /* Generate options */
 548       $spc= "&nbsp;&nbsp;";
 549       if ($this->isContainer && $this->aclType != 'base'){
 550         $options= $this->mkchkbx($key."_0_c",  _("Create objects"), preg_match('/c/', $currentAcl[0])).$spc;
 551         $options.= $this->mkchkbx($key."_0_m", _("Move objects"), preg_match('/m/', $currentAcl[0])).$spc;
 552         $options.= $this->mkchkbx($key."_0_d", _("Remove objects"), preg_match('/d/', $currentAcl[0])).$spc;
 553         if ($plist[preg_replace('%^.*/%', '', $key)]['plSelfModify']){
 554           $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
 555         }
 556       } else {
 557         $options= $this->mkchkbx($key."_0_m", _("Move object"), preg_match('/m/', $currentAcl[0])).$spc;
 558         $options.= $this->mkchkbx($key."_0_d", _("Remove object"), preg_match('/d/', $currentAcl[0])).$spc;
 559         if ($plist[preg_replace('%^.*/%', '', $key)]['plSelfModify']){
 560           $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
 561         }
 562       }
 563
 564       /* Global options */
 565       $more_options= $this->mkchkbx($key."_0_r",  _("read"), preg_match('/r/', $currentAcl[0])).$spc;
 566       $more_options.= $this->mkchkbx($key."_0_w", _("write"), preg_match('/w/', $currentAcl[0]));
 567
 568       $display.= "\n  <tr>".
 569                  "\n    <td style='background-color:#E0E0E0' colspan=".($cols-1).">$options</td>".
 570                  "\n    <td style='background-color:#D4D4D4'>&nbsp;".("Complete object:")." $more_options</td>".
 571                  "\n  </tr>";
 572
 573       /* Walk through the list of attributes */
 574       $cnt= 1;
 575       $splist= $plist[preg_replace('%^.*/%', '', $key)]['plProvidedAcls'];
 576       asort($splist);
 577       if($_SESSION['js']) {
 578         if(isset($_SERVER['HTTP_USER_AGENT']) && preg_match("/gecko/i",$_SERVER['HTTP_USER_AGENT'])) {
 579           $display.= "\n  <tr id='tr_".preg_replace("/[^a-z0-9]/i","_",$name)."' style='vertical-align:top;height:0px;'>".
 580                      "\n    <td colspan=".$cols.">".
 581                      "\n      <div id='".preg_replace("/[^a-z0-9]/i","_",$name)."' style='overflow:hidden;visibility:hidden;height:0px;vertical-align:top;width:100%;'>".
 582                      "\n        <table style='width:100%;'>";
 583         } else if (isset($_SERVER['HTTP_USER_AGENT']) && preg_match("/ie/i",$_SERVER['HTTP_USER_AGENT'])) {
 584           $display.= "\n  <tr id='tr_".preg_replace("/[^a-z0-9]/i","_",$name)."' style='vertical-align:top;height:0px;'>".
 585                      "\n    <td colspan=".$cols.">".
 586                      "\n      <div id='".preg_replace("/[^a-z0-9]/i","_",$name)."' style='position:absolute;overflow:hidden;visibility:hidden;height:0px;vertical-align:top;width:100%;'>".
 587                      "\n        <table style='width:100%;'>";
 588         }
 589       }
 590       foreach($splist as $attr => $dsc){
 591
 592         /* Skip pl* attributes, they are internal... */
 593         if (preg_match('/^pl[A-Z]+.*$/', $attr)){
 594           continue;
 595         }
 596
 597         /* Open table row */
 598         if ($cnt == 1){
 599           $display.= "\n  <tr>";
 600         }
 601
 602         /* Close table row */
 603         if ($cnt == $cols){
 604           $cnt= 1;
 605           $rb= "";
 606           $end= "\n  </tr>";
 607         } else {
 608           $cnt++;
 609           $rb= "border-right:1px solid #A0A0A0;";
 610           $end= "";
 611         }
 612
 613         /* Collect list of attributes */
 614         $state= "";
 615         if (isset($currentAcl[$attr])){
 616           $state= $currentAcl[$attr];
 617         }
 618         $display.= "\n    <td style='border-top:1px solid #A0A0A0;${rb}width:".(int)(100/$cols)."%'>".
 619                    "\n      <b>$dsc</b> ($attr)<br>".$this->mkrwbx($key."_".$attr, $state)."</td>$end";
 620       }
 621
 622       /* Fill missing td's if needed */
 623       if (--$cnt != $cols && $cnt != 0){
 624        $display.= str_repeat("\n    <td style='border-top:1px solid #A0A0A0; width:".(int)(100/$cols)."%'>&nbsp;</td>", $cols-$cnt);
 625       }
 626
 627       if($_SESSION['js']) {
 628         if(isset($_SERVER['HTTP_USER_AGENT']) && (preg_match("/gecko/i",$_SERVER['HTTP_USER_AGENT'])) || (preg_match("/ie/i",$_SERVER['HTTP_USER_AGENT']))) {
 629           $display.= "\n        </table>".
 630                      "\n      </div>".
 631                      "\n    </td>".
 632                      "\n  </tr>";
 633         }
 634       }
 635
 636       $display.= "\n</table><br />\n";
 637     }
 638
 639     return ($display);
 640   }
 641
 642
 643   function mkchkbx($name, $text, $state= FALSE)
 644   {
 645     $state= $state?"checked":"";
 646     return "\n      <input id='acl_".preg_replace("/[^a-z0-9]/i","_",$name)."' type=checkbox name='acl_$name' $state>".
 647            "\n      <label for='acl_$name'>$text</label>";
 648   }
 649
 650
 651   function mkrwbx($name, $state= "")
 652   {
 653     $rstate= preg_match('/r/', $state)?'checked':'';
 654     $wstate= preg_match('/w/', $state)?'checked':'';
 655     return ("\n      <input id='acl_".preg_replace("/[^a-z0-9]/i","_",$name)."_r' type=checkbox name='acl_${name}_r' $rstate>".
 656             "\n      <label for='acl_${name}_r'>"._("read")."</label>".
 657             "\n      <input id='acl_".preg_replace("/[^a-z0-9]/i","_",$name)."_w' type=checkbox name='acl_${name}_w' $wstate>".
 658             "\n      <label for='acl_${name}_w'>"._("write")."</label>");
 659   }
 660
 661
 662   function explodeACL($acl)
 663   {
 664     list($index, $type)= split(':', $acl);
 665     $a= array( $index => array("type" => $type,
 666                                "members" => acl::extractMembers($acl)));
 667
 668     /* Handle different types */
 669     switch ($type){
 670
 671       case 'psub':
 672       case 'sub':
 673       case 'one':
 674       case 'base':
 675         $a[$index]['acl']= acl::extractACL($acl);
 676         break;
 677
 678       case 'role':
 679         echo "Role";
 680         break;
 681
 682       case 'reset':
 683         break;
 684
 685       default:
 686         print_red(sprintf(_("Unkown ACL type '%s'. Don't know how to handle it."), $type));
 687         $a= array();
 688     }
 689
 690     return ($a);
 691   }
 692
 693
 694   function extractMembers($acl)
 695   {
 696     global $config;
 697     $a= array();
 698
 699     /* Rip acl off the string, seperate by ',' and place it in an array */
 700     $ms= preg_replace('/^[^:]+:[^:]+:([^:]+).*$/', '\1', $acl);
 701     if ($ms == $acl){
 702       return $a;
 703     }
 704     $ma= split(',', $ms);
 705
 706     /* Decode dn's, fill with informations from LDAP */
 707     $ldap= $config->get_ldap_link();
 708     foreach ($ma as $memberdn){
 709       $dn= base64_decode($memberdn);
 710       $ldap->cat($dn, array('cn', 'objectClass', 'description', 'uid'));
 711
 712       /* Found entry... */
 713       if ($ldap->count()){
 714         $attrs= $ldap->fetch();
 715         if (in_array_ics('gosaAccount', $attrs['objectClass'])){
 716           $a['U:'.$dn]= $attrs['cn'][0]." [".$attrs['uid'][0]."]";
 717         } else {
 718           $a['G:'.$dn]= $attrs['cn'][0];
 719           if (isset($attrs['description'][0])){
 720             $a['G:'.$dn].= " [".$attrs['description'][0]."]";
 721           }
 722         }
 723
 724       /* ... or not */
 725       } else {
 726         $a['U:'.$dn]= sprintf(_("Unknown entry '%s'!"), $dn);
 727       }
 728     }
 729
 730     return ($a);
 731   }
 732
 733
 734   function extractACL($acl)
 735   {
 736     /* Rip acl off the string, seperate by ',' and place it in an array */
 737     $as= preg_replace('/^[^:]+:[^:]+:[^:]*:(.*)$/', '\1', $acl);
 738     $aa= split(',', $as);
 739     $a= array();
 740
 741     /* Dis-assemble single ACLs */
 742     foreach($aa as $sacl){
 743
 744       /* Dis-assemble field ACLs */
 745       $ao= split('#', $sacl);
 746       $gobject= "";
 747       foreach($ao as $idx => $ssacl){
 748
 749         /* First is department with global acl */
 750         $object= preg_replace('/^([^;]+);.*$/', '\1', $ssacl);
 751         $gacl=   preg_replace('/^[^;]+;(.*)$/', '\1', $ssacl);
 752         if ($idx == 0){
 753           /* Create hash for this object */
 754           $gobject= $object;
 755           $a[$gobject]= array();
 756
 757           /* Append ACL if set */
 758           if ($gacl != ""){
 759             $a[$gobject]= array($gacl);
 760           }
 761         } else {
 762
 763           /* All other entries get appended... */
 764           list($field, $facl)= split(';', $ssacl);
 765           $a[$gobject][$field]= $facl;
 766         }
 767
 768       }
 769     }
 770
 771     return ($a);
 772   }
 773
 774
 775   function assembleAclSummary($entry)
 776   {
 777     $summary= "";
 778
 779     /* Summarize ACL */
 780     if (isset($entry['acl'])){
 781       $acl= "";
 782       foreach ($entry['acl'] as $name => $object){
 783         if (count($object)){
 784           $acl.= "$name, ";
 785         }
 786       }
 787       $summary.= sprintf(_("Contains settings for these objects: %s"), preg_replace('/, $/', '', $acl));
 788     }
 789
 790     /* Summarize members */
 791     if ($summary != ""){
 792       $summary.= ", ";
 793     }
 794     if (count($entry['members'])){
 795       $summary.= _("Members:")." ";
 796       foreach ($entry['members'] as $cn){
 797         $cn= preg_replace('/ \[.*$/', '', $cn);
 798         $summary.= $cn.", ";
 799       }
 800     } else {
 801       $summary.= _("ACL is valid for all users");
 802     }
 803
 804     return (preg_replace('/, $/', '', $summary));
 805   }
 806
 807
 808   function loadAclEntry($new= FALSE)
 809   {
 810     /* New entry gets presets... */
 811     if ($new){
 812       $this->aclType= 'base';
 813       $this->recipients= array();
 814       $this->aclContents= array();
 815     } else {
 816       $acl= $this->gosaAclEntry[$this->currentIndex];
 817       $this->aclType= $acl['type'];
 818       $this->recipients= $acl['members'];
 819       $this->aclContents= $acl['acl'];
 820     }
 821
 822     $this->wasNewEntry= $new;
 823   }
 824
 825
 826   function aclPostHandler()
 827   {
 828     if (isset($_POST['save_acl'])){
 829       $this->save();
 830       return TRUE;
 831     }
 832
 833     return FALSE;
 834   }
 835
 836
 837   function save()
 838   {
 839     /* Assemble ACL's */
 840     $tmp_acl= array();
 841     foreach ($this->gosaAclEntry as $prio => $entry){
 842       $final= "";
 843       $members= "";
 844       if (isset($entry['members'])){
 845         foreach ($entry['members'] as $key => $dummy){
 846           $members.= base64_encode(preg_replace('/^.:/', '', $key)).',';
 847         }
 848       }
 849       $final= $prio.":".$entry['type'].":".preg_replace('/,$/', '', $members);
 850
 851       /* ACL's if needed */
 852       if ($entry['type'] != "reset" && $entry['type'] != "role"){
 853         $acl= ":";
 854         if (isset($entry['acl'])){
 855           foreach ($entry['acl'] as $object => $contents){
 856
 857             /* Only save, if we've some contents in there... */
 858             if (count($contents)){
 859               $acl.= $object.";";
 860
 861               foreach($contents as $attr => $permission){
 862
 863                 /* First entry? Its the one for global settings... */
 864                 if ($attr == '0'){
 865                   $acl.= $permission;
 866                 } else {
 867                   $acl.= '#'.$attr.';'.$permission;
 868                 }
 869
 870               }
 871               $acl.= ',';
 872             }
 873
 874           }
 875         }
 876         $final.= preg_replace('/,$/', '', $acl);
 877       }
 878
 879       $tmp_acl[]= $final;
 880     }
 881
 882     /* Call main method */
 883     plugin::save();
 884
 885     /* Finally (re-)assign it... */
 886     $this->attrs['gosaAclEntry']= $tmp_acl;
 887
 888     /* Remove acl from this entry if it is empty... */
 889     if (!count($tmp_acl)){
 890       /* Remove attribute */
 891       if ($this->initially_was_account){
 892         $this->attrs['gosaAclEntry']= array();
 893       } else {
 894         if (isset($this->attrs['gosaAclEntry'])){
 895           unset($this->attrs['gosaAclEntry']);
 896         }
 897       }
 898
 899       /* Remove object class */
 900       $this->attrs['objectClass']= array_remove_entries(array('gosaAcl'), $this->attrs['objectClass']);
 901     }
 902
 903     /* Do LDAP modifications */
 904     $ldap= $this->config->get_ldap_link();
 905     $ldap->cd($this->dn);
 906     $this->cleanup();
 907     $ldap->modify ($this->attrs);
 908
 909     show_ldap_error($ldap->get_error(), sprintf(_("Saving ACLs with dn '%s' failed."),$this->dn));
 910
 911     /* Refresh users ACLs */
 912     $ui= get_userinfo();
 913     $ui->loadACL();
 914     $_SESSION['ui']= $ui;
 915   }
 916
 917
 918   function remove_from_parent()
 919   {
 920   }
 921
 922 }
 923
 924 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 925 ?>