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[$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('_', $name);
 247
 248         /* Ordinary ACLs */
 249         if (!isset($new_acl[$object])){
 250           $new_acl[$object]= array();
 251         }
 252         if (isset($new_acl[$object][$attribute])){
 253           $new_acl[$object][$attribute].= $value;
 254         } else {
 255           $new_acl[$object][$attribute]= $value;
 256         }
 257       }
 258     }
 259
 260     /* Only be interested in new acl's, if we're in the right _POST place */
 261     if ($aclDialog && isset($this->ocMapping[$this->aclObject])){
 262       foreach ($this->ocMapping[$this->aclObject] as $oc){
 263         unset($this->aclContents[$oc]);
 264         unset($this->aclContents[$this->aclObject.'/'.$oc]);
 265         if (isset($new_acl[$oc])){
 266           $this->aclContents[$oc]= $new_acl[$oc];
 267         }
 268         if (isset($new_acl[$this->aclObject.'/'.$oc])){
 269           $this->aclContents[$this->aclObject.'/'.$oc]= $new_acl[$this->aclObject.'/'.$oc];
 270         }
 271       }
 272     }
 273
 274     /* Save new acl in case of base edit mode */
 275     if ($this->aclType == 'base'){
 276       $this->aclContents= $new_acl;
 277     }
 278
 279     /* Cancel new acl? */
 280     if (isset($_POST['cancel_new_acl'])){
 281       $this->dialogState= 'head';
 282       $this->dialog= FALSE;
 283       if ($this->wasNewEntry){
 284         unset ($this->gosaAclEntry[$this->currentIndex]);
 285       }
 286     }
 287
 288     /* Store ACL in main object? */
 289     if (isset($_POST['submit_new_acl'])){
 290       $this->gosaAclEntry[$this->currentIndex]['type']= $this->aclType;
 291       $this->gosaAclEntry[$this->currentIndex]['members']= $this->recipients;
 292       $this->gosaAclEntry[$this->currentIndex]['acl']= $this->aclContents;
 293       $this->dialogState= 'head';
 294       $this->dialog= FALSE;
 295     }
 296
 297     /* Cancel edit acl? */
 298     if (isset($_POST['cancel_edit_acl'])){
 299       $this->dialogState= 'create';
 300       foreach ($this->ocMapping[$this->aclObject] as $oc){
 301         if (isset($this->savedAclContents[$oc])){
 302           $this->aclContents[$oc]= $this->savedAclContents[$oc];
 303         }
 304       }
 305     }
 306
 307     /* Save edit acl? */
 308     if (isset($_POST['submit_edit_acl'])){
 309       $this->dialogState= 'create';
 310     }
 311
 312     /* Add acl? */
 313     if (isset($_POST['add_acl']) && $_POST['aclObject'] != ""){
 314       $this->dialogState= 'edit';
 315       $this->savedAclContents= array();
 316       foreach ($this->ocMapping[$this->aclObject] as $oc){
 317         if (isset($this->aclContents[$oc])){
 318           $this->savedAclContents[$oc]= $this->aclContents[$oc];
 319         }
 320       }
 321     }
 322
 323     /* Add to list? */
 324     if (isset($_POST['add']) && isset($_POST['source'])){
 325       foreach ($_POST['source'] as $key){
 326         if ($this->target == 'user'){
 327           $this->recipients[$key]= $this->users[$key];
 328         }
 329         if ($this->target == 'group'){
 330           $this->recipients[$key]= $this->groups[$key];
 331         }
 332       }
 333       ksort($this->recipients);
 334     }
 335
 336     /* Remove from list? */
 337     if (isset($_POST['del']) && isset($_POST['recipient'])){
 338       foreach ($_POST['recipient'] as $key){
 339           unset($this->recipients[$key]);
 340       }
 341     }
 342
 343     /* Save common values */
 344     foreach (array("aclType", "aclObject", "target") as $key){
 345       if (isset($_POST[$key])){
 346         $this->$key= validate($_POST[$key]);
 347       }
 348     }
 349
 350     /* Create templating instance */
 351     $smarty= get_smarty();
 352
 353     if ($this->dialogState == 'head'){
 354       /* Draw list */
 355       $aclList= new DivSelectBox("aclList");
 356       $aclList->SetHeight(450);
 357
 358       /* Fill in entries */
 359       foreach ($this->gosaAclEntry as $key => $entry){
 360         $field1= array("string" => $this->aclTypes[$entry['type']], "attach" => "style='width:100px'");
 361         $field2= array("string" => $this->assembleAclSummary($entry));
 362         $action= "<input type='image' name='sortup_$key' alt='up' title='"._("Up")."' src='images/sort_up.png' align='top'>";
 363         $action.= "<input type='image' name='sortdown_$key' alt='down' title='"._("Down")."' src='images/sort_down.png'>";
 364         $action.= "<input class='center' type='image' src='images/edit.png' alt='"._("edit")."' name='acl_edit_$key' title='"._("Edit ACL")."'>";
 365         $action.= "<input class='center' type='image' src='images/edittrash.png' alt='"._("delete")."' name='acl_del_$key' title='"._("Delete ACL")."'>";
 366
 367         $field3= array("string" => $action, "attach" => "style='border-right:0px;width:50px';text-align:right");
 368         $aclList->AddEntry(array($field1, $field2, $field3));
 369       }
 370
 371       $smarty->assign("aclList", $aclList->DrawList());
 372     }
 373
 374     if ($this->dialogState == 'create'){
 375       /* Draw list */
 376       $aclList= new DivSelectBox("aclList");
 377       $aclList->SetHeight(150);
 378
 379       /* Add settings for all categories to the (permanent) list */
 380       foreach ($this->aclObjects as $section => $dsc){
 381         $summary= "";
 382         foreach($this->ocMapping[$section] as $oc){
 383           if (isset($this->aclContents[$oc]) && count($this->aclContents[$oc]) && isset($this->aclContents[$oc][0]) &&
 384               $this->aclContents[$oc][0] != ""){
 385
 386             $summary.= "$oc, ";
 387             continue;
 388           }
 389           if (isset($this->aclContents["$section/$oc"]) && count($this->aclContents["$section/$oc"]) && isset($this->aclContents["$section/$oc"][0]) &&
 390               $this->aclContents["$section/$oc"][0] != ""){
 391
 392             $summary.= "$oc, ";
 393             continue;
 394           }
 395           if (isset($this->aclContents[$oc]) && !isset($this->aclContents[$oc][0]) && count($this->aclContents[$oc])){
 396             $summary.= "$oc, ";
 397           }
 398         }
 399
 400         /* Set summary... */
 401         if ($summary == ""){
 402           $summary= '<i>'._("No ACL settings for this category").'</i>';
 403         } else {
 404           $summary= sprintf(_("Contains ACLs for these objects: %s"), preg_replace('/, $/', '', $summary));
 405         }
 406
 407         $field1= array("string" => $dsc, "attach" => "style='width:100px'");
 408         $field2= array("string" => $summary);
 409         $action= "<input class='center' type='image' src='images/edit.png' alt='"._("edit")."' name='cat_edit_$section' title='"._("Edit categories ACLs")."'>";
 410         $action.= "<input class='center' type='image' src='images/edittrash.png' alt='"._("delete")."' name='cat_del_$section' title='"._("Clear categories ACLs")."'>";
 411         $field3= array("string" => $action, "attach" => "style='border-right:0px;width:50px'");
 412         $aclList->AddEntry(array($field1, $field2, $field3));
 413       }
 414
 415       $smarty->assign("aclList", $aclList->DrawList());
 416       $smarty->assign("aclType", $this->aclType);
 417       $smarty->assign("aclTypes", $this->aclTypes);
 418       $smarty->assign("target", $this->target);
 419       $smarty->assign("targets", $this->targets);
 420
 421       /* Assign possible target types */
 422       $smarty->assign("targets", $this->targets);
 423       foreach ($this->attributes as $attr){
 424         $smarty->assign($attr, $this->$attr);
 425       }
 426
 427
 428       /* Generate list */
 429       $tmp= array();
 430       foreach (array("user" => "users", "group" => "groups") as $field => $arr){
 431         if ($this->target == $field){
 432           foreach ($this->$arr as $key => $value){
 433             if (!isset($this->recipients[$key])){
 434               $tmp[$key]= $value;
 435             }
 436           }
 437         }
 438       }
 439       $smarty->assign('sources', $tmp);
 440       $smarty->assign('recipients', $this->recipients);
 441
 442       /* Acl selector if scope is base */
 443       if ($this->aclType == 'base'){
 444         $smarty->assign('aclSelector', $this->buildAclSelector($this->myAclObjects));
 445       }
 446     }
 447
 448     if ($this->dialogState == 'edit'){
 449       $smarty->assign('headline', sprintf(_("Edit ACL for '%s', scope is '%s'"), $this->aclObjects[$this->aclObject], $this->aclTypes[$this->aclType]));
 450
 451       /* Collect objects for selected category */
 452       foreach ($this->ocMapping[$this->aclObject] as $idx => $class){
 453         if ($idx == 0){
 454           continue;
 455         }
 456         $aclObjects[$this->aclObject.'/'.$class]= $plist[$class]['plDescription'];
 457       }
 458       if ($this->aclObject == 'all'){
 459         $aclObjects['all']= _("All objects in current subtree");
 460       }
 461       $smarty->assign('aclSelector', $this->buildAclSelector($aclObjects));
 462     }
 463
 464     /* Show main page */
 465     $smarty->assign("dialogState", $this->dialogState);
 466
 467     return ($smarty->fetch (get_template_path('acl.tpl')));
 468   }
 469
 470
 471   function buildAclSelector($list)
 472   {
 473     $display= "";
 474     $cols= 3;
 475     $tmp= get_global('plist');
 476     $plist= $tmp->info;
 477     asort($plist);
 478
 479     /* Build general objects */
 480     foreach ($list as $key => $name){
 481
 482       /* Create sub acl if it does not exist */
 483       if (!isset($this->aclContents[$key])){
 484         $this->aclContents[$key]= array();
 485         $this->aclContents[$key][0]= '';
 486       }
 487       $currentAcl= $this->aclContents[$key];
 488
 489       /* Object header */
 490       $display.= "<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2><tr><td style='background-color:#C8C8C8;height:1.8em' colspan=$cols><b>"._("Object").": $name</b></td></tr>";
 491
 492       /* Generate options */
 493       $spc= "&nbsp;&nbsp;";
 494       if ($this->isContainer && $this->aclType != 'base'){
 495         $options= $this->mkchkbx($key."_0_c",  _("Create objects"), preg_match('/c/', $currentAcl[0])).$spc;
 496         $options.= $this->mkchkbx($key."_0_m", _("Move objects"), preg_match('/m/', $currentAcl[0])).$spc;
 497         $options.= $this->mkchkbx($key."_0_d", _("Remove objects"), preg_match('/d/', $currentAcl[0])).$spc;
 498         if ($plist[preg_replace('%^.*/%', '', $key)]['plSelfModify']){
 499           $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
 500         }
 501       } else {
 502         $options= $this->mkchkbx($key."_0_m", _("Move object"), preg_match('/m/', $currentAcl[0])).$spc;
 503         $options.= $this->mkchkbx($key."_0_d", _("Remove object"), preg_match('/d/', $currentAcl[0])).$spc;
 504         if ($plist[preg_replace('%^.*/%', '', $key)]['plSelfModify']){
 505           $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
 506         }
 507       }
 508
 509       /* Global options */
 510       $more_options= $this->mkchkbx($key."_0_r",  _("read"), preg_match('/r/', $currentAcl[0])).$spc;
 511       $more_options.= $this->mkchkbx($key."_0_w", _("write"), preg_match('/w/', $currentAcl[0]));
 512
 513       $display.= "<tr><td style='background-color:#E0E0E0' colspan=".($cols-1).">$options</td><td style='background-color:#D4D4D4'>&nbsp;".("Complete object:")." $more_options</td></tr>";
 514
 515       /* Walk through the list of attributes */
 516       $cnt= 1;
 517       $splist= $plist[preg_replace('%^.*/%', '', $key)]['plProvidedAcls'];
 518       asort($splist);
 519       foreach($splist as $attr => $dsc){
 520
 521         /* Skip pl* attributes, they are internal... */
 522         if (preg_match('/^pl[A-Z]+.*$/', $attr)){
 523           continue;
 524         }
 525
 526         /* Open table row */
 527         if ($cnt == 1){
 528           $display.= "<tr>";
 529         }
 530
 531         /* Close table row */
 532         if ($cnt == $cols){
 533           $cnt= 1;
 534           $rb= "";
 535           $end= "</tr>";
 536         } else {
 537           $cnt++;
 538           $rb= "border-right:1px solid #A0A0A0;";
 539           $end= "";
 540         }
 541
 542         /* Collect list of attributes */
 543         $state= "";
 544         if (isset($currentAcl[$attr])){
 545           $state= $currentAcl[$attr];
 546         }
 547         $display.= "<td style='border-top:1px solid #A0A0A0;${rb}width:".(int)(100/$cols)."%'><b>$dsc</b> ($attr)<br>".$this->mkrwbx($key."_".$attr, $state)."</td>$end";
 548       }
 549
 550       /* Fill missing td's if needed */
 551       if (--$cnt != $cols && $cnt != 0){
 552        $display.= str_repeat("<td style='border-top:1px solid #A0A0A0; width:".(int)(100/$cols)."%'>&nbsp;</td>", $cols-$cnt);
 553       }
 554
 555       $display.= "</table><br>";
 556     }
 557
 558     return ($display);
 559   }
 560
 561
 562   function mkchkbx($name, $text, $state= FALSE)
 563   {
 564     $state= $state?"checked":"";
 565     return "<input id='acl_$name' type=checkbox name='acl_$name' $state><label for='acl_$name'>$text</label>";
 566   }
 567
 568
 569   function mkrwbx($name, $state= "")
 570   {
 571     $rstate= preg_match('/r/', $state)?'checked':'';
 572     $wstate= preg_match('/w/', $state)?'checked':'';
 573     return ("<input id='acl_${name}_r' type=checkbox name='acl_${name}_r' $rstate><label for='acl_${name}_r'>"._("read")."</label>".
 574             "<input id='acl_${name}_w' type=checkbox name='acl_${name}_w' $wstate><label for='acl_${name}_w'>"._("write")."</label>");
 575   }
 576
 577
 578   function explodeACL($acl)
 579   {
 580     list($index, $type)= split(':', $acl);
 581     $a= array( $index => array("type" => $type,
 582                                "members" => acl::extractMembers($acl)));
 583
 584     /* Handle different types */
 585     switch ($type){
 586
 587       case 'psub':
 588       case 'sub':
 589       case 'one':
 590       case 'base':
 591         $a[$index]['acl']= acl::extractACL($acl);
 592         break;
 593
 594       case 'role':
 595         echo "Role";
 596         break;
 597
 598       case 'reset':
 599         break;
 600
 601       default:
 602         print_red(sprintf(_("Unkown ACL type '%s'. Don't know how to handle it."), $type));
 603         $a= array();
 604     }
 605
 606     return ($a);
 607   }
 608
 609
 610   function extractMembers($acl)
 611   {
 612     global $config;
 613     $a= array();
 614
 615     /* Rip acl off the string, seperate by ',' and place it in an array */
 616     $ms= preg_replace('/^[^:]+:[^:]+:([^:]+).*$/', '\1', $acl);
 617     if ($ms == $acl){
 618       return $a;
 619     }
 620     $ma= split(',', $ms);
 621
 622     /* Decode dn's, fill with informations from LDAP */
 623     $ldap= $config->get_ldap_link();
 624     foreach ($ma as $memberdn){
 625       $dn= base64_decode($memberdn);
 626       $ldap->cat($dn, array('cn', 'objectClass', 'description', 'uid'));
 627
 628       /* Found entry... */
 629       if ($ldap->count()){
 630         $attrs= $ldap->fetch();
 631         if (in_array_ics('gosaAccount', $attrs['objectClass'])){
 632           $a['U:'.$dn]= $attrs['cn'][0]." [".$attrs['uid'][0]."]";
 633         } else {
 634           $a['G:'.$dn]= $attrs['cn'][0];
 635           if (isset($attrs['description'][0])){
 636             $a['G:'.$dn].= " [".$attrs['description'][0]."]";
 637           }
 638         }
 639
 640       /* ... or not */
 641       } else {
 642         $a['U:'.$dn]= sprintf(_("Unknown entry '%s'!"), $dn);
 643       }
 644     }
 645
 646     return ($a);
 647   }
 648
 649
 650   function extractACL($acl)
 651   {
 652     /* Rip acl off the string, seperate by ',' and place it in an array */
 653     $as= preg_replace('/^[^:]+:[^:]+:[^:]*:(.*)$/', '\1', $acl);
 654     $aa= split(',', $as);
 655     $a= array();
 656
 657     /* Dis-assemble single ACLs */
 658     foreach($aa as $sacl){
 659
 660       /* Dis-assemble field ACLs */
 661       $ao= split('#', $sacl);
 662       $gobject= "";
 663       foreach($ao as $idx => $ssacl){
 664
 665         /* First is department with global acl */
 666         $object= preg_replace('/^([^;]+);.*$/', '\1', $ssacl);
 667         $gacl=   preg_replace('/^[^;]+;(.*)$/', '\1', $ssacl);
 668         if ($idx == 0){
 669           /* Create hash for this object */
 670           $gobject= $object;
 671           $a[$gobject]= array();
 672
 673           /* Append ACL if set */
 674           if ($gacl != ""){
 675             $a[$gobject]= array($gacl);
 676           }
 677         } else {
 678
 679           /* All other entries get appended... */
 680           list($field, $facl)= split(';', $ssacl);
 681           $a[$gobject][$field]= $facl;
 682         }
 683
 684       }
 685     }
 686
 687     return ($a);
 688   }
 689
 690
 691   function assembleAclSummary($entry)
 692   {
 693     $summary= "";
 694
 695     /* Summarize ACL */
 696     if (isset($entry['acl'])){
 697       $acl= "";
 698       foreach ($entry['acl'] as $name => $object){
 699         if (count($object)){
 700           $acl.= "$name, ";
 701         }
 702       }
 703       $summary.= sprintf(_("Contains settings for these objects: %s"), preg_replace('/, $/', '', $acl));
 704     }
 705
 706     /* Summarize members */
 707     if ($summary != ""){
 708       $summary.= ", ";
 709     }
 710     if (count($entry['members'])){
 711       $summary.= _("Members:")." ";
 712       foreach ($entry['members'] as $cn){
 713         $cn= preg_replace('/ \[.*$/', '', $cn);
 714         $summary.= $cn.", ";
 715       }
 716     } else {
 717       $summary.= _("ACL is valid for all users");
 718     }
 719
 720     return (preg_replace('/, $/', '', $summary));
 721   }
 722
 723
 724   function loadAclEntry($new= FALSE)
 725   {
 726     /* New entry gets presets... */
 727     if ($new){
 728       $this->aclType= 'base';
 729       $this->recipients= array();
 730       $this->aclContents= array();
 731     } else {
 732       $acl= $this->gosaAclEntry[$this->currentIndex];
 733       $this->aclType= $acl['type'];
 734       $this->recipients= $acl['members'];
 735       $this->aclContents= $acl['acl'];
 736     }
 737
 738     $this->wasNewEntry= $new;
 739   }
 740
 741
 742   function aclPostHandler()
 743   {
 744     if (isset($_POST['save_acl'])){
 745       $this->save();
 746       return TRUE;
 747     }
 748
 749     return FALSE;
 750   }
 751
 752
 753   function save()
 754   {
 755     /* Assemble ACL's */
 756     $tmp_acl= array();
 757     foreach ($this->gosaAclEntry as $prio => $entry){
 758       $final= "";
 759       $members= "";
 760       if (isset($entry['members'])){
 761         foreach ($entry['members'] as $key => $dummy){
 762           $members.= base64_encode(preg_replace('/^.:/', '', $key)).',';
 763         }
 764       }
 765       $final= $prio.":".$entry['type'].":".preg_replace('/,$/', '', $members);
 766
 767       /* ACL's if needed */
 768       if ($entry['type'] != "reset" && $entry['type'] != "role"){
 769         $acl= ":";
 770         if (isset($entry['acl'])){
 771           foreach ($entry['acl'] as $object => $contents){
 772
 773             /* Only save, if we've some contents in there... */
 774             if (count($contents)){
 775               $acl.= $object.";";
 776
 777               foreach($contents as $attr => $permission){
 778
 779                 /* First entry? Its the one for global settings... */
 780                 if ($attr == '0'){
 781                   $acl.= $permission;
 782                 } else {
 783                   $acl.= '#'.$attr.';'.$permission;
 784                 }
 785
 786               }
 787               $acl.= ',';
 788             }
 789
 790           }
 791         }
 792         $final.= preg_replace('/,$/', '', $acl);
 793       }
 794
 795       $tmp_acl[]= $final;
 796     }
 797
 798     /* Call main method */
 799     plugin::save();
 800
 801     /* Finally (re-)assign it... */
 802     $this->attrs['gosaAclEntry']= $tmp_acl;
 803
 804     /* Remove acl from this entry if it is empty... */
 805     if (!count($tmp_acl)){
 806       /* Remove attribute */
 807       if ($this->initially_was_account){
 808         $this->attrs['gosaAclEntry']= array();
 809       } else {
 810         if (isset($this->attrs['gosaAclEntry'])){
 811           unset($this->attrs['gosaAclEntry']);
 812         }
 813       }
 814
 815       /* Remove object class */
 816       $this->attrs['objectClass']= array_remove_entries(array('gosaAcl'), $this->attrs['objectClass']);
 817     }
 818
 819     /* Do LDAP modifications */
 820     $ldap= $this->config->get_ldap_link();
 821     $ldap->cd($this->dn);
 822     $this->cleanup();
 823     $ldap->modify ($this->attrs);
 824
 825     show_ldap_error($ldap->get_error(), sprintf(_("Saving ACLs with dn '%s' failed."),$this->dn));
 826
 827     /* Refresh users ACLs */
 828     $ui= get_userinfo();
 829     $ui->loadACL();
 830     $_SESSION['ui']= $ui;
 831   }
 832
 833
 834   function remove_from_parent()
 835   {
 836   }
 837
 838 }
 839
 840 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 841 ?>