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       if($_SESSION['js']) {
 491         if(isset($_SERVER['HTTP_USER_AGENT']) && preg_match("/firefox/i",$_SERVER['HTTP_USER_AGENT'])) {
 492           $display.= "<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2><tr><td style='background-color:#C8C8C8;height:1.8em;' colspan=".($cols-1)."><b>"._("Object").": $name</b></td><td align='right' style='background-color:#C8C8C8;height:1.8em;'><input type='button' onclick='divtoggle(\"$name\");' value='"._("Show/Hide Advanced Settings")."' /></td></tr>";
 493         } else {
 494           $display.= "<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2><tr><td style='background-color:#C8C8C8;height:1.8em;' colspan=$cols><b>"._("Object").": $name</b></td></tr>";
 495         }
 496       } else {
 497           $display.= "<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2><tr><td style='background-color:#C8C8C8;height:1.8em;' colspan=$cols><b>"._("Object").": $name</b></td></tr>";
 498       }
 499
 500       /* Generate options */
 501       $spc= "&nbsp;&nbsp;";
 502       if ($this->isContainer && $this->aclType != 'base'){
 503         $options= $this->mkchkbx($key."_0_c",  _("Create objects"), preg_match('/c/', $currentAcl[0])).$spc;
 504         $options.= $this->mkchkbx($key."_0_m", _("Move objects"), preg_match('/m/', $currentAcl[0])).$spc;
 505         $options.= $this->mkchkbx($key."_0_d", _("Remove objects"), preg_match('/d/', $currentAcl[0])).$spc;
 506         if ($plist[preg_replace('%^.*/%', '', $key)]['plSelfModify']){
 507           $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
 508         }
 509       } else {
 510         $options= $this->mkchkbx($key."_0_m", _("Move object"), preg_match('/m/', $currentAcl[0])).$spc;
 511         $options.= $this->mkchkbx($key."_0_d", _("Remove object"), preg_match('/d/', $currentAcl[0])).$spc;
 512         if ($plist[preg_replace('%^.*/%', '', $key)]['plSelfModify']){
 513           $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
 514         }
 515       }
 516
 517       /* Global options */
 518       $more_options= $this->mkchkbx($key."_0_r",  _("read"), preg_match('/r/', $currentAcl[0])).$spc;
 519       $more_options.= $this->mkchkbx($key."_0_w", _("write"), preg_match('/w/', $currentAcl[0]));
 520
 521       $display.= "<tr><td style='background-color:#E0E0E0' colspan=".($cols-1).">$options</td><td style='background-color:#D4D4D4'>&nbsp;".("Complete object:")." $more_options</td></tr>";
 522
 523       /* Walk through the list of attributes */
 524       $cnt= 1;
 525       $splist= $plist[preg_replace('%^.*/%', '', $key)]['plProvidedAcls'];
 526       asort($splist);
 527       if($_SESSION['js']) {
 528         if(isset($_SERVER['HTTP_USER_AGENT']) && preg_match("/firefox/i",$_SERVER['HTTP_USER_AGENT'])) {
 529           $display.= "<tr id='tr_$name' style='vertical-align:top;height:0px;'><td colspan=".$cols."><div id='$name' style='visibility:hidden;height:0px;vertical-align:top;width:100%;'><table style='width:100%;'>";
 530         }
 531       }
 532       foreach($splist as $attr => $dsc){
 533
 534         /* Skip pl* attributes, they are internal... */
 535         if (preg_match('/^pl[A-Z]+.*$/', $attr)){
 536           continue;
 537         }
 538
 539         /* Open table row */
 540         if ($cnt == 1){
 541           $display.= "<tr>";
 542         }
 543
 544         /* Close table row */
 545         if ($cnt == $cols){
 546           $cnt= 1;
 547           $rb= "";
 548           $end= "</tr>";
 549         } else {
 550           $cnt++;
 551           $rb= "border-right:1px solid #A0A0A0;";
 552           $end= "";
 553         }
 554
 555         /* Collect list of attributes */
 556         $state= "";
 557         if (isset($currentAcl[$attr])){
 558           $state= $currentAcl[$attr];
 559         }
 560         $display.= "<td style='border-top:1px solid #A0A0A0;${rb}width:".(int)(100/$cols)."%'><b>$dsc</b> ($attr)<br>".$this->mkrwbx($key."_".$attr, $state)."</td>$end";
 561       }
 562
 563       /* Fill missing td's if needed */
 564       if (--$cnt != $cols && $cnt != 0){
 565        $display.= str_repeat("<td style='border-top:1px solid #A0A0A0; width:".(int)(100/$cols)."%'>&nbsp;</td>", $cols-$cnt);
 566       }
 567
 568       if($_SESSION['js']) {
 569         if(isset($_SERVER['HTTP_USER_AGENT']) && preg_match("/firefox/i",$_SERVER['HTTP_USER_AGENT'])) {
 570           $display.= "</table></div></td></tr>";
 571         }
 572       }
 573
 574       $display.= "</table><br />";
 575     }
 576
 577     return ($display);
 578   }
 579
 580
 581   function mkchkbx($name, $text, $state= FALSE)
 582   {
 583     $state= $state?"checked":"";
 584     return "<input id='acl_$name' type=checkbox name='acl_$name' $state><label for='acl_$name'>$text</label>";
 585   }
 586
 587
 588   function mkrwbx($name, $state= "")
 589   {
 590     $rstate= preg_match('/r/', $state)?'checked':'';
 591     $wstate= preg_match('/w/', $state)?'checked':'';
 592     return ("<input id='acl_${name}_r' type=checkbox name='acl_${name}_r' $rstate><label for='acl_${name}_r'>"._("read")."</label>".
 593             "<input id='acl_${name}_w' type=checkbox name='acl_${name}_w' $wstate><label for='acl_${name}_w'>"._("write")."</label>");
 594   }
 595
 596
 597   function explodeACL($acl)
 598   {
 599     list($index, $type)= split(':', $acl);
 600     $a= array( $index => array("type" => $type,
 601                                "members" => acl::extractMembers($acl)));
 602
 603     /* Handle different types */
 604     switch ($type){
 605
 606       case 'psub':
 607       case 'sub':
 608       case 'one':
 609       case 'base':
 610         $a[$index]['acl']= acl::extractACL($acl);
 611         break;
 612
 613       case 'role':
 614         echo "Role";
 615         break;
 616
 617       case 'reset':
 618         break;
 619
 620       default:
 621         print_red(sprintf(_("Unkown ACL type '%s'. Don't know how to handle it."), $type));
 622         $a= array();
 623     }
 624
 625     return ($a);
 626   }
 627
 628
 629   function extractMembers($acl)
 630   {
 631     global $config;
 632     $a= array();
 633
 634     /* Rip acl off the string, seperate by ',' and place it in an array */
 635     $ms= preg_replace('/^[^:]+:[^:]+:([^:]+).*$/', '\1', $acl);
 636     if ($ms == $acl){
 637       return $a;
 638     }
 639     $ma= split(',', $ms);
 640
 641     /* Decode dn's, fill with informations from LDAP */
 642     $ldap= $config->get_ldap_link();
 643     foreach ($ma as $memberdn){
 644       $dn= base64_decode($memberdn);
 645       $ldap->cat($dn, array('cn', 'objectClass', 'description', 'uid'));
 646
 647       /* Found entry... */
 648       if ($ldap->count()){
 649         $attrs= $ldap->fetch();
 650         if (in_array_ics('gosaAccount', $attrs['objectClass'])){
 651           $a['U:'.$dn]= $attrs['cn'][0]." [".$attrs['uid'][0]."]";
 652         } else {
 653           $a['G:'.$dn]= $attrs['cn'][0];
 654           if (isset($attrs['description'][0])){
 655             $a['G:'.$dn].= " [".$attrs['description'][0]."]";
 656           }
 657         }
 658
 659       /* ... or not */
 660       } else {
 661         $a['U:'.$dn]= sprintf(_("Unknown entry '%s'!"), $dn);
 662       }
 663     }
 664
 665     return ($a);
 666   }
 667
 668
 669   function extractACL($acl)
 670   {
 671     /* Rip acl off the string, seperate by ',' and place it in an array */
 672     $as= preg_replace('/^[^:]+:[^:]+:[^:]*:(.*)$/', '\1', $acl);
 673     $aa= split(',', $as);
 674     $a= array();
 675
 676     /* Dis-assemble single ACLs */
 677     foreach($aa as $sacl){
 678
 679       /* Dis-assemble field ACLs */
 680       $ao= split('#', $sacl);
 681       $gobject= "";
 682       foreach($ao as $idx => $ssacl){
 683
 684         /* First is department with global acl */
 685         $object= preg_replace('/^([^;]+);.*$/', '\1', $ssacl);
 686         $gacl=   preg_replace('/^[^;]+;(.*)$/', '\1', $ssacl);
 687         if ($idx == 0){
 688           /* Create hash for this object */
 689           $gobject= $object;
 690           $a[$gobject]= array();
 691
 692           /* Append ACL if set */
 693           if ($gacl != ""){
 694             $a[$gobject]= array($gacl);
 695           }
 696         } else {
 697
 698           /* All other entries get appended... */
 699           list($field, $facl)= split(';', $ssacl);
 700           $a[$gobject][$field]= $facl;
 701         }
 702
 703       }
 704     }
 705
 706     return ($a);
 707   }
 708
 709
 710   function assembleAclSummary($entry)
 711   {
 712     $summary= "";
 713
 714     /* Summarize ACL */
 715     if (isset($entry['acl'])){
 716       $acl= "";
 717       foreach ($entry['acl'] as $name => $object){
 718         if (count($object)){
 719           $acl.= "$name, ";
 720         }
 721       }
 722       $summary.= sprintf(_("Contains settings for these objects: %s"), preg_replace('/, $/', '', $acl));
 723     }
 724
 725     /* Summarize members */
 726     if ($summary != ""){
 727       $summary.= ", ";
 728     }
 729     if (count($entry['members'])){
 730       $summary.= _("Members:")." ";
 731       foreach ($entry['members'] as $cn){
 732         $cn= preg_replace('/ \[.*$/', '', $cn);
 733         $summary.= $cn.", ";
 734       }
 735     } else {
 736       $summary.= _("ACL is valid for all users");
 737     }
 738
 739     return (preg_replace('/, $/', '', $summary));
 740   }
 741
 742
 743   function loadAclEntry($new= FALSE)
 744   {
 745     /* New entry gets presets... */
 746     if ($new){
 747       $this->aclType= 'base';
 748       $this->recipients= array();
 749       $this->aclContents= array();
 750     } else {
 751       $acl= $this->gosaAclEntry[$this->currentIndex];
 752       $this->aclType= $acl['type'];
 753       $this->recipients= $acl['members'];
 754       $this->aclContents= $acl['acl'];
 755     }
 756
 757     $this->wasNewEntry= $new;
 758   }
 759
 760
 761   function aclPostHandler()
 762   {
 763     if (isset($_POST['save_acl'])){
 764       $this->save();
 765       return TRUE;
 766     }
 767
 768     return FALSE;
 769   }
 770
 771
 772   function save()
 773   {
 774     /* Assemble ACL's */
 775     $tmp_acl= array();
 776     foreach ($this->gosaAclEntry as $prio => $entry){
 777       $final= "";
 778       $members= "";
 779       if (isset($entry['members'])){
 780         foreach ($entry['members'] as $key => $dummy){
 781           $members.= base64_encode(preg_replace('/^.:/', '', $key)).',';
 782         }
 783       }
 784       $final= $prio.":".$entry['type'].":".preg_replace('/,$/', '', $members);
 785
 786       /* ACL's if needed */
 787       if ($entry['type'] != "reset" && $entry['type'] != "role"){
 788         $acl= ":";
 789         if (isset($entry['acl'])){
 790           foreach ($entry['acl'] as $object => $contents){
 791
 792             /* Only save, if we've some contents in there... */
 793             if (count($contents)){
 794               $acl.= $object.";";
 795
 796               foreach($contents as $attr => $permission){
 797
 798                 /* First entry? Its the one for global settings... */
 799                 if ($attr == '0'){
 800                   $acl.= $permission;
 801                 } else {
 802                   $acl.= '#'.$attr.';'.$permission;
 803                 }
 804
 805               }
 806               $acl.= ',';
 807             }
 808
 809           }
 810         }
 811         $final.= preg_replace('/,$/', '', $acl);
 812       }
 813
 814       $tmp_acl[]= $final;
 815     }
 816
 817     /* Call main method */
 818     plugin::save();
 819
 820     /* Finally (re-)assign it... */
 821     $this->attrs['gosaAclEntry']= $tmp_acl;
 822
 823     /* Remove acl from this entry if it is empty... */
 824     if (!count($tmp_acl)){
 825       /* Remove attribute */
 826       if ($this->initially_was_account){
 827         $this->attrs['gosaAclEntry']= array();
 828       } else {
 829         if (isset($this->attrs['gosaAclEntry'])){
 830           unset($this->attrs['gosaAclEntry']);
 831         }
 832       }
 833
 834       /* Remove object class */
 835       $this->attrs['objectClass']= array_remove_entries(array('gosaAcl'), $this->attrs['objectClass']);
 836     }
 837
 838     /* Do LDAP modifications */
 839     $ldap= $this->config->get_ldap_link();
 840     $ldap->cd($this->dn);
 841     $this->cleanup();
 842     $ldap->modify ($this->attrs);
 843
 844     show_ldap_error($ldap->get_error(), sprintf(_("Saving ACLs with dn '%s' failed."),$this->dn));
 845
 846     /* Refresh users ACLs */
 847     $ui= get_userinfo();
 848     $ui->loadACL();
 849     $_SESSION['ui']= $ui;
 850   }
 851
 852
 853   function remove_from_parent()
 854   {
 855   }
 856
 857 }
 858
 859 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 860 ?>