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 $multiClass= array();
  31   var $savedAclContents= array();
  32
  33
  34   function acl ($config, $parent, $dn= NULL)
  35   {
  36     /* Include config object */
  37     plugin::plugin($config, $dn);
  38
  39     /* Load ACL's */
  40     $this->gosaAclEntry= array();
  41     if (isset($this->attrs['gosaAclEntry'])){
  42       for ($i= 0; $i<$this->attrs['gosaAclEntry']['count']; $i++){
  43         $acl= $this->attrs['gosaAclEntry'][$i];
  44         $this->gosaAclEntry= array_merge($this->gosaAclEntry, $this->explodeACL($acl));
  45       }
  46     }
  47     ksort($this->gosaAclEntry);
  48
  49     /* Save parent - we've to know more about it than other plugins... */
  50     $this->parent= $parent;
  51
  52     /* Container? */
  53     if (preg_match('/^(ou|c|l|dc)=/i', $dn)){
  54       $this->isContainer= TRUE;
  55     }
  56
  57     /* Users */
  58     $ui= get_userinfo();
  59     $tag= $ui->gosaUnitTag;
  60     $ldap= $config->get_ldap_link();
  61     $ldap->cd($config->current['BASE']);
  62     if ($tag == ""){
  63       $ldap->search('(objectClass=gosaAccount)', array('uid', 'cn'));
  64     } else {
  65       $ldap->search('(&(objectClass=gosaAccount)(gosaUnitTag='.$tag.'))', array('uid', 'cn'));
  66     }
  67     while ($attrs= $ldap->fetch()){
  68       $this->users['U:'.$attrs['dn']]= $attrs['cn'][0].' ['.$attrs['uid'][0].']';
  69     }
  70     ksort($this->users);
  71
  72     /* Groups */
  73     $ldap->cd($config->current['BASE']);
  74     if ($tag == ""){
  75       $ldap->search('(objectClass=posixGroup)', array('cn', 'description'));
  76     } else {
  77       $ldap->search('(&(objectClass=posixGroup)(gosaUnitTag='.$tag.'))', array('cn', 'description'));
  78     }
  79     while ($attrs= $ldap->fetch()){
  80       $dsc= "";
  81       if (isset($attrs['description'][0])){
  82         $dsc= $attrs['description'][0];
  83       }
  84       $this->groups['G:'.$attrs['dn']]= $attrs['cn'][0].' ['.$dsc.']';
  85     }
  86     ksort($this->groups);
  87
  88     /* Objects */
  89     $tmp= get_global('plist');
  90     $plist= $tmp->info;
  91     if (isset($this->parent) && $this->parent != NULL){
  92       $oc= array();
  93       foreach ($this->parent->by_object as $key => $obj){
  94         $oc= array_merge($oc, $obj->objectclasses);
  95       }
  96       if (in_array_ics('organizationalUnit', $oc)){
  97         $this->isContainer= TRUE;
  98       }
  99     } else {
 100       $oc=  $this->attrs['objectClass'];
 101     }
 102
 103
 104     /* Extract available categories from plugin info list */
 105     foreach ($plist as $class => $acls){
 106
 107       /* Only feed categories */
 108       if (isset($acls['plCategory'])){
 109
 110         /* Find multi homed classes */
 111         if (count($acls['plCategory']) > 1){
 112           $this->multiClass[$class]= $class;
 113         }
 114
 115         /* Walk through supplied list and feed only translated categories */
 116         foreach($acls['plCategory'] as $idx => $data){
 117
 118           /* Non numeric index means -> base object containing more informations */
 119           if (preg_match('/^[0-9]+$/', $idx)){
 120             if (!isset($this->ocMapping[$data])){
 121               $this->ocMapping[$data]= array();
 122               $this->ocMapping[$data][]= '0';
 123             }
 124             $this->ocMapping[$data][]= $class;
 125           } else {
 126             if (!isset($this->ocMapping[$idx])){
 127               $this->ocMapping[$idx]= array();
 128               $this->ocMapping[$idx][]= '0';
 129             }
 130             $this->ocMapping[$idx][]= $class;
 131             $this->aclObjects[$idx]= $data['description'];
 132
 133             /* Additionally filter the classes we're interested in in "self edit" mode */
 134             if (is_array($data['objectClass'])){
 135               foreach($data['objectClass'] as $objectClass){
 136                 if (in_array_ics($objectClass, $oc)){
 137                   if (isset($this->multiClass[$class])){
 138                     $this->myAclObjects[$idx.'/'.$class]= $acls['plDescription'];
 139                   } else {
 140                     $this->myAclObjects[$class]= $acls['plDescription'];
 141                   }
 142                   break;
 143                 }
 144               }
 145             } else {
 146               if (in_array_ics($data['objectClass'], $oc)){
 147                 if (isset($this->multiClass[$class])){
 148                   $this->myAclObjects[$idx.'/'.$class]= $acls['plDescription'];
 149                 } else {
 150                   $this->myAclObjects[$class]= $acls['plDescription'];
 151                 }
 152               }
 153             }
 154           }
 155
 156         }
 157       }
 158     }
 159
 160     /* Sort categories */
 161     asort($this->aclObjects);
 162
 163     /* Fill acl types */
 164     if ($this->isContainer){
 165       $this->aclTypes= array("reset" => _("Reset ACLs"),
 166                              "one" => _("One level"),
 167                              "base" => _("Current object"),
 168                              "sub" => _("Complete subtree"),
 169                              "psub" => _("Complete subtree (permanent)"));
 170                              //"role" => _("Use ACL defined in role"));
 171     } else {
 172       $this->aclTypes= array("base" => _("Current object"),
 173           "role" => _("Use ACL defined in role"));
 174     }
 175     asort($this->aclTypes);
 176     $this->targets= array("user" => _("Users"), "group" => _("Groups"));
 177     asort($this->targets);
 178
 179     /* Finally - we want to get saved... */
 180     $this->is_account= TRUE;
 181   }
 182
 183
 184   function execute()
 185   {
 186     /* Call parent execute */
 187     plugin::execute();
 188
 189     $tmp= get_global('plist');
 190     $plist= $tmp->info;
 191
 192     /* Handle posts */
 193     if (isset($_POST['new_acl'])){
 194       $this->dialogState= 'create';
 195       $this->dialog= TRUE;
 196       $this->currentIndex= count($this->gosaAclEntry);
 197       $this->loadAclEntry(TRUE);
 198     }
 199
 200     $new_acl= array();
 201     $aclDialog= FALSE;
 202     foreach($_POST as $name => $post){
 203
 204       /* Actions... */
 205       if (preg_match('/^acl_edit_.*_x/', $name)){
 206         $this->dialogState= 'create';
 207         $this->dialog= TRUE;
 208         $this->currentIndex= preg_replace('/^acl_edit_([0-9]+).*$/', '\1', $name);
 209         $this->loadAclEntry();
 210         continue;
 211       }
 212       if (preg_match('/^acl_del_.*_x/', $name)){
 213         unset($this->gosaAclEntry[preg_replace('/^acl_del_([0-9]+).*$/', '\1', $name)]);
 214         continue;
 215       }
 216
 217       if (preg_match('/^cat_edit_.*_x/', $name)){
 218         $this->aclObject= preg_replace('/^cat_edit_([^_]+)_.*$/', '\1', $name);
 219         $this->dialogState= 'edit';
 220         foreach ($this->ocMapping[$this->aclObject] as $oc){
 221           if (isset($this->aclContents[$oc])){
 222             $this->savedAclContents[$oc]= $this->aclContents[$oc];
 223           }
 224         }
 225         continue;
 226       }
 227       if (preg_match('/^cat_del_.*_x/', $name)){
 228         $idx= preg_replace('/^cat_del_([^_]+)_.*$/', '\1', $name);
 229         foreach ($this->ocMapping[$idx] as $key){
 230           unset($this->aclContents[$key]);
 231         }
 232         continue;
 233       }
 234
 235       /* Sorting... */
 236       if (preg_match('/^sortup_.*_x/', $name)){
 237         $index= preg_replace('/^sortup_([0-9]+).*$/', '\1', $name);
 238         if ($index > 0){
 239           $tmp= $this->gosaAclEntry[$index];
 240           $this->gosaAclEntry[$index]= $this->gosaAclEntry[$index-1];
 241           $this->gosaAclEntry[$index-1]= $tmp;
 242         }
 243         continue;
 244       }
 245       if (preg_match('/^sortdown_.*_x/', $name)){
 246         $index= preg_replace('/^sortdown_([0-9]+).*$/', '\1', $name);
 247         if ($index < count($this->gosaAclEntry)-1){
 248           $tmp= $this->gosaAclEntry[$index];
 249           $this->gosaAclEntry[$index]= $this->gosaAclEntry[$index+1];
 250           $this->gosaAclEntry[$index+1]= $tmp;
 251         }
 252         continue;
 253       }
 254
 255       /* ACL saving... */
 256       if (preg_match('/^acl_.*_[^xy]$/', $name)){
 257         $aclDialog= TRUE;
 258         list($dummy, $object, $attribute, $value)= split('_', $name);
 259
 260         /* Ordinary ACLs */
 261         if (!isset($new_acl[$object])){
 262           $new_acl[$object]= array();
 263         }
 264         if (isset($new_acl[$object][$attribute])){
 265           $new_acl[$object][$attribute].= $value;
 266         } else {
 267           $new_acl[$object][$attribute]= $value;
 268         }
 269       }
 270     }
 271
 272     /* Only be interested in new acl's, if we're in the right _POST place */
 273     if ($aclDialog && isset($this->ocMapping[$this->aclObject])){
 274       foreach ($this->ocMapping[$this->aclObject] as $oc){
 275         unset($this->aclContents[$oc]);
 276         unset($this->aclContents[$this->aclObject.'/'.$oc]);
 277         if (isset($new_acl[$oc])){
 278           $this->aclContents[$oc]= $new_acl[$oc];
 279         }
 280         if (isset($new_acl[$this->aclObject.'/'.$oc])){
 281           $this->aclContents[$this->aclObject.'/'.$oc]= $new_acl[$this->aclObject.'/'.$oc];
 282         }
 283       }
 284     }
 285
 286     /* Save new acl in case of base edit mode */
 287     if ($this->aclType == 'base'){
 288       $this->aclContents= $new_acl;
 289     }
 290
 291     /* Cancel new acl? */
 292     if (isset($_POST['cancel_new_acl'])){
 293       $this->dialogState= 'head';
 294       $this->dialog= FALSE;
 295       if ($this->wasNewEntry){
 296         unset ($this->gosaAclEntry[$this->currentIndex]);
 297       }
 298     }
 299
 300     /* Store ACL in main object? */
 301     if (isset($_POST['submit_new_acl'])){
 302       $this->gosaAclEntry[$this->currentIndex]['type']= $this->aclType;
 303       $this->gosaAclEntry[$this->currentIndex]['members']= $this->recipients;
 304       $this->gosaAclEntry[$this->currentIndex]['acl']= $this->aclContents;
 305       $this->dialogState= 'head';
 306       $this->dialog= FALSE;
 307     }
 308
 309     /* Cancel edit acl? */
 310     if (isset($_POST['cancel_edit_acl'])){
 311       $this->dialogState= 'create';
 312       foreach ($this->ocMapping[$this->aclObject] as $oc){
 313         if (isset($this->savedAclContents[$oc])){
 314           $this->aclContents[$oc]= $this->savedAclContents[$oc];
 315         }
 316       }
 317     }
 318
 319     /* Save edit acl? */
 320     if (isset($_POST['submit_edit_acl'])){
 321       $this->dialogState= 'create';
 322     }
 323
 324     /* Add acl? */
 325     if (isset($_POST['add_acl']) && $_POST['aclObject'] != ""){
 326       $this->dialogState= 'edit';
 327       $this->savedAclContents= array();
 328       foreach ($this->ocMapping[$this->aclObject] as $oc){
 329         if (isset($this->aclContents[$oc])){
 330           $this->savedAclContents[$oc]= $this->aclContents[$oc];
 331         }
 332       }
 333     }
 334
 335     /* Add to list? */
 336     if (isset($_POST['add']) && isset($_POST['source'])){
 337       foreach ($_POST['source'] as $key){
 338         if ($this->target == 'user'){
 339           $this->recipients[$key]= $this->users[$key];
 340         }
 341         if ($this->target == 'group'){
 342           $this->recipients[$key]= $this->groups[$key];
 343         }
 344       }
 345       ksort($this->recipients);
 346     }
 347
 348     /* Remove from list? */
 349     if (isset($_POST['del']) && isset($_POST['recipient'])){
 350       foreach ($_POST['recipient'] as $key){
 351           unset($this->recipients[$key]);
 352       }
 353     }
 354
 355     /* Save common values */
 356     foreach (array("aclType", "aclObject", "target") as $key){
 357       if (isset($_POST[$key])){
 358         $this->$key= validate($_POST[$key]);
 359       }
 360     }
 361
 362     /* Create templating instance */
 363     $smarty= get_smarty();
 364
 365     if ($this->dialogState == 'head'){
 366       /* Draw list */
 367       $aclList= new DivSelectBox("aclList");
 368       $aclList->SetHeight(450);
 369
 370       /* Fill in entries */
 371       foreach ($this->gosaAclEntry as $key => $entry){
 372         $field1= array("string" => $this->aclTypes[$entry['type']], "attach" => "style='width:100px'");
 373         $field2= array("string" => $this->assembleAclSummary($entry));
 374         $action= "<input type='image' name='sortup_$key' alt='up' title='"._("Up")."' src='images/sort_up.png' align='top'>";
 375         $action.= "<input type='image' name='sortdown_$key' alt='down' title='"._("Down")."' src='images/sort_down.png'>";
 376         $action.= "<input class='center' type='image' src='images/edit.png' alt='"._("edit")."' name='acl_edit_$key' title='"._("Edit ACL")."'>";
 377         $action.= "<input class='center' type='image' src='images/edittrash.png' alt='"._("delete")."' name='acl_del_$key' title='"._("Delete ACL")."'>";
 378
 379         $field3= array("string" => $action, "attach" => "style='border-right:0px;width:50px';text-align:right");
 380         $aclList->AddEntry(array($field1, $field2, $field3));
 381       }
 382
 383       $smarty->assign("aclList", $aclList->DrawList());
 384     }
 385
 386     if ($this->dialogState == 'create'){
 387       /* Draw list */
 388       $aclList= new DivSelectBox("aclList");
 389       $aclList->SetHeight(150);
 390
 391       /* Add settings for all categories to the (permanent) list */
 392       foreach ($this->aclObjects as $section => $dsc){
 393         $summary= "";
 394         foreach($this->ocMapping[$section] as $oc){
 395           if (isset($this->aclContents[$oc]) && count($this->aclContents[$oc]) && isset($this->aclContents[$oc][0]) &&
 396               $this->aclContents[$oc][0] != ""){
 397
 398             $summary.= "$oc, ";
 399             continue;
 400           }
 401           if (isset($this->aclContents["$section/$oc"]) && count($this->aclContents["$section/$oc"]) && isset($this->aclContents["$section/$oc"][0]) &&
 402               $this->aclContents["$section/$oc"][0] != ""){
 403
 404             $summary.= "$oc, ";
 405             continue;
 406           }
 407           if (isset($this->aclContents[$oc]) && !isset($this->aclContents[$oc][0]) && count($this->aclContents[$oc])){
 408             $summary.= "$oc, ";
 409           }
 410         }
 411
 412         /* Set summary... */
 413         if ($summary == ""){
 414           $summary= '<i>'._("No ACL settings for this category").'</i>';
 415         } else {
 416           $summary= sprintf(_("Contains ACLs for these objects: %s"), preg_replace('/, $/', '', $summary));
 417         }
 418
 419         $field1= array("string" => $dsc, "attach" => "style='width:100px'");
 420         $field2= array("string" => $summary);
 421         $action= "<input class='center' type='image' src='images/edit.png' alt='"._("edit")."' name='cat_edit_$section' title='"._("Edit categories ACLs")."'>";
 422         $action.= "<input class='center' type='image' src='images/edittrash.png' alt='"._("delete")."' name='cat_del_$section' title='"._("Clear categories ACLs")."'>";
 423         $field3= array("string" => $action, "attach" => "style='border-right:0px;width:50px'");
 424         $aclList->AddEntry(array($field1, $field2, $field3));
 425       }
 426
 427       $smarty->assign("aclList", $aclList->DrawList());
 428       $smarty->assign("aclType", $this->aclType);
 429       $smarty->assign("aclTypes", $this->aclTypes);
 430       $smarty->assign("target", $this->target);
 431       $smarty->assign("targets", $this->targets);
 432
 433       /* Assign possible target types */
 434       $smarty->assign("targets", $this->targets);
 435       foreach ($this->attributes as $attr){
 436         $smarty->assign($attr, $this->$attr);
 437       }
 438
 439
 440       /* Generate list */
 441       $tmp= array();
 442       foreach (array("user" => "users", "group" => "groups") as $field => $arr){
 443         if ($this->target == $field){
 444           foreach ($this->$arr as $key => $value){
 445             if (!isset($this->recipients[$key])){
 446               $tmp[$key]= $value;
 447             }
 448           }
 449         }
 450       }
 451       $smarty->assign('sources', $tmp);
 452       $smarty->assign('recipients', $this->recipients);
 453
 454       /* Acl selector if scope is base */
 455       if ($this->aclType == 'base'){
 456         $smarty->assign('aclSelector', $this->buildAclSelector($this->myAclObjects));
 457       }
 458     }
 459
 460     if ($this->dialogState == 'edit'){
 461       $smarty->assign('headline', sprintf(_("Edit ACL for '%s', scope is '%s'"), $this->aclObjects[$this->aclObject], $this->aclTypes[$this->aclType]));
 462
 463       /* Collect objects for selected category */
 464       $aclObjects= array();
 465       foreach ($this->ocMapping[$this->aclObject] as $idx => $class){
 466         if ($idx == 0){
 467           continue;
 468         }
 469         if (isset($this->multiClass[$class])){
 470           $aclObjects[$this->aclObject.'/'.$class]= $plist[$class]['plDescription'];
 471         } else {
 472           $aclObjects[$class]= $plist[$class]['plDescription'];
 473         }
 474       }
 475       $smarty->assign('aclSelector', $this->buildAclSelector($aclObjects));
 476     }
 477
 478     /* Show main page */
 479     $smarty->assign("dialogState", $this->dialogState);
 480
 481     return ($smarty->fetch (get_template_path('acl.tpl')));
 482   }
 483
 484
 485   function buildAclSelector($list)
 486   {
 487     $display= "";
 488     $cols= 3;
 489     $tmp= get_global('plist');
 490     $plist= $tmp->info;
 491     asort($plist);
 492
 493     /* Build general objects */
 494     foreach ($list as $key => $name){
 495
 496       /* Create sub acl if it does not exist */
 497       if (!isset($this->aclContents[$key])){
 498         $this->aclContents[$key]= array();
 499         $this->aclContents[$key][0]= '';
 500       }
 501       $currentAcl= $this->aclContents[$key];
 502
 503       /* Object header */
 504       $display.= "<table style='width:100%;border:1px solid #A0A0A0' cellspacing=0 cellpadding=2><tr><td style='background-color:#C8C8C8;height:1.8em' colspan=$cols><b>"._("Object").": $name</b></td></tr>";
 505
 506       /* Generate options */
 507       $spc= "&nbsp;&nbsp;";
 508       if ($this->isContainer && $this->aclType != 'base'){
 509         $options= $this->mkchkbx($key."_0_c",  _("Create objects"), preg_match('/c/', $currentAcl[0])).$spc;
 510         $options.= $this->mkchkbx($key."_0_m", _("Move objects"), preg_match('/m/', $currentAcl[0])).$spc;
 511         $options.= $this->mkchkbx($key."_0_d", _("Remove objects"), 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       } else {
 516         $options= $this->mkchkbx($key."_0_m", _("Move object"), preg_match('/m/', $currentAcl[0])).$spc;
 517         $options.= $this->mkchkbx($key."_0_d", _("Remove object"), preg_match('/d/', $currentAcl[0])).$spc;
 518         if ($plist[preg_replace('%^.*/%', '', $key)]['plSelfModify']){
 519           $options.= $this->mkchkbx($key."_0_s", _("Modifyable by owner"), preg_match('/s/', $currentAcl[0])).$spc;
 520         }
 521       }
 522
 523       /* Global options */
 524       $more_options= $this->mkchkbx($key."_0_r",  _("read"), preg_match('/r/', $currentAcl[0])).$spc;
 525       $more_options.= $this->mkchkbx($key."_0_w", _("write"), preg_match('/w/', $currentAcl[0]));
 526
 527       $display.= "<tr><td style='background-color:#E0E0E0' colspan=".($cols-1).">$options</td><td style='background-color:#D4D4D4'>&nbsp;".("Complete object:")." $more_options</td></tr>";
 528
 529       /* Walk through the list of attributes */
 530       $cnt= 1;
 531       $splist= $plist[preg_replace('%^.*/%', '', $key)]['plProvidedAcls'];
 532       asort($splist);
 533       foreach($splist as $attr => $dsc){
 534
 535         /* Skip pl* attributes, they are internal... */
 536         if (preg_match('/^pl[A-Z]+.*$/', $attr)){
 537           continue;
 538         }
 539
 540         /* Open table row */
 541         if ($cnt == 1){
 542           $display.= "<tr>";
 543         }
 544
 545         /* Close table row */
 546         if ($cnt == $cols){
 547           $cnt= 1;
 548           $rb= "";
 549           $end= "</tr>";
 550         } else {
 551           $cnt++;
 552           $rb= "border-right:1px solid #A0A0A0;";
 553           $end= "";
 554         }
 555
 556         /* Collect list of attributes */
 557         $state= "";
 558         if (isset($currentAcl[$attr])){
 559           $state= $currentAcl[$attr];
 560         }
 561         $display.= "<td style='border-top:1px solid #A0A0A0;${rb}width:".(int)(100/$cols)."%'><b>$dsc</b> ($attr)<br>".$this->mkrwbx($key."_".$attr, $state)."</td>$end";
 562       }
 563
 564       /* Fill missing td's if needed */
 565       if (--$cnt != $cols && $cnt != 0){
 566        $display.= str_repeat("<td style='border-top:1px solid #A0A0A0; width:".(int)(100/$cols)."%'>&nbsp;</td>", $cols-$cnt);
 567       }
 568
 569       $display.= "</table><br>";
 570     }
 571
 572     return ($display);
 573   }
 574
 575
 576   function mkchkbx($name, $text, $state= FALSE)
 577   {
 578     $state= $state?"checked":"";
 579     return "<input id='acl_$name' type=checkbox name='acl_$name' $state><label for='acl_$name'>$text</label>";
 580   }
 581
 582
 583   function mkrwbx($name, $state= "")
 584   {
 585     $rstate= preg_match('/r/', $state)?'checked':'';
 586     $wstate= preg_match('/w/', $state)?'checked':'';
 587     return ("<input id='acl_${name}_r' type=checkbox name='acl_${name}_r' $rstate><label for='acl_${name}_r'>"._("read")."</label>".
 588             "<input id='acl_${name}_w' type=checkbox name='acl_${name}_w' $wstate><label for='acl_${name}_w'>"._("write")."</label>");
 589   }
 590
 591
 592   function explodeACL($acl)
 593   {
 594     list($index, $type)= split(':', $acl);
 595     $a= array( $index => array("type" => $type,
 596                                "members" => acl::extractMembers($acl)));
 597
 598     /* Handle different types */
 599     switch ($type){
 600
 601       case 'psub':
 602       case 'sub':
 603       case 'one':
 604       case 'base':
 605         $a[$index]['acl']= acl::extractACL($acl);
 606         break;
 607
 608       case 'role':
 609         echo "Role";
 610         break;
 611
 612       case 'reset':
 613         break;
 614
 615       default:
 616         print_red(sprintf(_("Unkown ACL type '%s'. Don't know how to handle it."), $type));
 617         $a= array();
 618     }
 619
 620     return ($a);
 621   }
 622
 623
 624   function extractMembers($acl)
 625   {
 626     global $config;
 627     $a= array();
 628
 629     /* Rip acl off the string, seperate by ',' and place it in an array */
 630     $ms= preg_replace('/^[^:]+:[^:]+:([^:]+).*$/', '\1', $acl);
 631     if ($ms == $acl){
 632       return $a;
 633     }
 634     $ma= split(',', $ms);
 635
 636     /* Decode dn's, fill with informations from LDAP */
 637     $ldap= $config->get_ldap_link();
 638     foreach ($ma as $memberdn){
 639       $dn= base64_decode($memberdn);
 640       $ldap->cat($dn, array('cn', 'objectClass', 'description', 'uid'));
 641
 642       /* Found entry... */
 643       if ($ldap->count()){
 644         $attrs= $ldap->fetch();
 645         if (in_array_ics('gosaAccount', $attrs['objectClass'])){
 646           $a['U:'.$dn]= $attrs['cn'][0]." [".$attrs['uid'][0]."]";
 647         } else {
 648           $a['G:'.$dn]= $attrs['cn'][0];
 649           if (isset($attrs['description'][0])){
 650             $a['G:'.$dn].= " [".$attrs['description'][0]."]";
 651           }
 652         }
 653
 654       /* ... or not */
 655       } else {
 656         $a['U:'.$dn]= sprintf(_("Unknown entry '%s'!"), $dn);
 657       }
 658     }
 659
 660     return ($a);
 661   }
 662
 663
 664   function extractACL($acl)
 665   {
 666     /* Rip acl off the string, seperate by ',' and place it in an array */
 667     $as= preg_replace('/^[^:]+:[^:]+:[^:]*:(.*)$/', '\1', $acl);
 668     $aa= split(',', $as);
 669     $a= array();
 670
 671     /* Dis-assemble single ACLs */
 672     foreach($aa as $sacl){
 673
 674       /* Dis-assemble field ACLs */
 675       $ao= split('#', $sacl);
 676       $gobject= "";
 677       foreach($ao as $idx => $ssacl){
 678
 679         /* First is department with global acl */
 680         $object= preg_replace('/^([^;]+);.*$/', '\1', $ssacl);
 681         $gacl=   preg_replace('/^[^;]+;(.*)$/', '\1', $ssacl);
 682         if ($idx == 0){
 683           /* Create hash for this object */
 684           $gobject= $object;
 685           $a[$gobject]= array();
 686
 687           /* Append ACL if set */
 688           if ($gacl != ""){
 689             $a[$gobject]= array($gacl);
 690           }
 691         } else {
 692
 693           /* All other entries get appended... */
 694           list($field, $facl)= split(';', $ssacl);
 695           $a[$gobject][$field]= $facl;
 696         }
 697
 698       }
 699     }
 700
 701     return ($a);
 702   }
 703
 704
 705   function assembleAclSummary($entry)
 706   {
 707     $summary= "";
 708
 709     /* Summarize ACL */
 710     if (isset($entry['acl'])){
 711       $acl= "";
 712       foreach ($entry['acl'] as $name => $object){
 713         if (count($object)){
 714           $acl.= "$name, ";
 715         }
 716       }
 717       $summary.= sprintf(_("Contains settings for these objects: %s"), preg_replace('/, $/', '', $acl));
 718     }
 719
 720     /* Summarize members */
 721     if ($summary != ""){
 722       $summary.= ", ";
 723     }
 724     if (count($entry['members'])){
 725       $summary.= _("Members:")." ";
 726       foreach ($entry['members'] as $cn){
 727         $cn= preg_replace('/ \[.*$/', '', $cn);
 728         $summary.= $cn.", ";
 729       }
 730     } else {
 731       $summary.= _("ACL is valid for all users");
 732     }
 733
 734     return (preg_replace('/, $/', '', $summary));
 735   }
 736
 737
 738   function loadAclEntry($new= FALSE)
 739   {
 740     /* New entry gets presets... */
 741     if ($new){
 742       $this->aclType= 'base';
 743       $this->recipients= array();
 744       $this->aclContents= array();
 745     } else {
 746       $acl= $this->gosaAclEntry[$this->currentIndex];
 747       $this->aclType= $acl['type'];
 748       $this->recipients= $acl['members'];
 749       $this->aclContents= $acl['acl'];
 750     }
 751
 752     $this->wasNewEntry= $new;
 753   }
 754
 755
 756   function aclPostHandler()
 757   {
 758     if (isset($_POST['save_acl'])){
 759       $this->save();
 760       return TRUE;
 761     }
 762
 763     return FALSE;
 764   }
 765
 766
 767   function save()
 768   {
 769     /* Assemble ACL's */
 770     $tmp_acl= array();
 771     foreach ($this->gosaAclEntry as $prio => $entry){
 772       $final= "";
 773       $members= "";
 774       if (isset($entry['members'])){
 775         foreach ($entry['members'] as $key => $dummy){
 776           $members.= base64_encode(preg_replace('/^.:/', '', $key)).',';
 777         }
 778       }
 779       $final= $prio.":".$entry['type'].":".preg_replace('/,$/', '', $members);
 780
 781       /* ACL's if needed */
 782       if ($entry['type'] != "reset" && $entry['type'] != "role"){
 783         $acl= ":";
 784         if (isset($entry['acl'])){
 785           foreach ($entry['acl'] as $object => $contents){
 786
 787             /* Only save, if we've some contents in there... */
 788             if (count($contents)){
 789               $acl.= $object.";";
 790
 791               foreach($contents as $attr => $permission){
 792
 793                 /* First entry? Its the one for global settings... */
 794                 if ($attr == '0'){
 795                   $acl.= $permission;
 796                 } else {
 797                   $acl.= '#'.$attr.';'.$permission;
 798                 }
 799
 800               }
 801               $acl.= ',';
 802             }
 803
 804           }
 805         }
 806         $final.= preg_replace('/,$/', '', $acl);
 807       }
 808
 809       $tmp_acl[]= $final;
 810     }
 811
 812     /* Call main method */
 813     plugin::save();
 814
 815     /* Finally (re-)assign it... */
 816     $this->attrs['gosaAclEntry']= $tmp_acl;
 817
 818     /* Remove acl from this entry if it is empty... */
 819     if (!count($tmp_acl)){
 820       /* Remove attribute */
 821       if ($this->initially_was_account){
 822         $this->attrs['gosaAclEntry']= array();
 823       } else {
 824         if (isset($this->attrs['gosaAclEntry'])){
 825           unset($this->attrs['gosaAclEntry']);
 826         }
 827       }
 828
 829       /* Remove object class */
 830       $this->attrs['objectClass']= array_remove_entries(array('gosaAcl'), $this->attrs['objectClass']);
 831     }
 832
 833     /* Do LDAP modifications */
 834     $ldap= $this->config->get_ldap_link();
 835     $ldap->cd($this->dn);
 836     $this->cleanup();
 837     $ldap->modify ($this->attrs);
 838
 839     show_ldap_error($ldap->get_error(), sprintf(_("Saving ACLs with dn '%s' failed."),$this->dn));
 840
 841     /* Refresh users ACLs */
 842     $ui= get_userinfo();
 843     $ui->loadACL();
 844     $_SESSION['ui']= $ui;
 845   }
 846
 847
 848   function remove_from_parent()
 849   {
 850   }
 851
 852 }
 853
 854 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 855 ?>