gosa-core/plugins/generic/references/class_aclResolver.inc

   1 <?php
   2
   3 class aclResolver
   4 {
   5     private $classMapping = array();
   6     private $aclTypes = array();
   7     private $affectingACLs = array();
   8
   9     private $renderedList = "";
  10
  11     // The users 'dn' and 'uid' used to verify the collected acls
  12     private $validateDn;
  13     private $validateUid;
  14     private $acl_category;
  15     private $parent;
  16
  17     // Used for the autocompleter
  18     private $userMap;
  19
  20     function __construct($config, $dn, $parent)
  21     {
  22         $this->config = &$config;
  23         $this->dn = $dn;
  24         $this->parent = $parent;
  25
  26         // Replace this with a user defined one later.
  27         $ui = get_userinfo();
  28         $this->validateUid = $ui->uid;
  29         $this->validateDn = $ui->dn;
  30
  31         // Build class mapping - only once, will not change during session.
  32         if(!session::is_set('aclConverter::classMapping')){
  33             $tmp= session::global_get('plist');
  34             $plist= $tmp->info;
  35             $map = array();
  36             $map['all']= _("All categories");
  37             foreach($plist as $class => $plInfo){
  38                 if(isset($plInfo['plCategory']) && is_array($plInfo['plCategory'])){
  39                     foreach($plInfo['plCategory'] as $category => $desc){
  40                         if(!is_numeric($category)){
  41                             $map[$category] = $desc['description'];
  42                         }
  43                     }
  44                 }
  45             }
  46             foreach($plist as $class => $plInfo){
  47                 if(isset($plInfo['plCategory']) && is_array($plInfo['plCategory'])){
  48                     foreach($plInfo['plCategory'] as $category => $desc){
  49                         if(!is_numeric($category)){
  50                             $map[$category."/".$class] = $map[$category]." - ".$plInfo['plDescription'];
  51                         }else{
  52                             $map[$desc."/".$class] = $map[$desc]." - ".$plInfo['plDescription'];
  53                         }
  54                     }
  55
  56                 }
  57             }
  58             session::set('aclConverter::classMapping', $map);
  59         }
  60         $this->classMapping = session::get('aclConverter::classMapping');
  61
  62         // Define ACL type translations
  63         $this->aclTypes= array("reset" => _("Reset ACLs"),
  64                 "one" => _("One level"),
  65                 "base" => _("Current object"),
  66                 "sub" => _("Complete subtree"),
  67                 "psub" => _("Complete subtree (permanent)"),
  68                 "role" => _("Use ACL defined in role"));
  69
  70         // Enforce to reload acl result
  71         $this->renderedList = "";
  72     }
  73
  74
  75     function reload()
  76     {
  77         // Go through all ACLs and get those matching the objects dn.
  78         $ui = get_userinfo();
  79         $ui->reset_acl_cache();
  80         $ui->loadACL();
  81
  82         // Get ACL category for the current object.
  83         if(isset($this->parent->acl_category) && !empty($this->parent->acl_category)){
  84             $this->acl_category = preg_replace("/\/$/","",$this->parent->acl_category);
  85         }
  86
  87         foreach($ui->allACLs as $dn => $acls){
  88             if(preg_match("/".preg_quote($dn,'/')."$/i", $this->dn)){
  89
  90                 // Foreach dn there is a collection of ACLs indexed by their priority
  91                 foreach($acls as $prio => $acl){
  92                     if($acl['type'] == "reset"){
  93                         $this->affectingACLs[$dn][$prio] = $acl;
  94                         continue;
  95                     }else{
  96
  97                         // Only get those entries with a relevant acl-category
  98                         foreach($acl['acl'] as $category => $attributes){
  99                             if(preg_match("/^all($|\/)/", $category) ||
 100                                     preg_match("/^".$this->acl_category."($|\/)/", $category)){
 101                                 $this->affectingACLs[$dn][$prio] = $acl;
 102                                 continue;
 103                             }
 104                         }
 105                     }
 106                 }
 107             }
 108         }
 109     }
 110
 111
 112
 113     /*! \brief   Create a human readable HTML result
 114      */
 115     function getReadableACL()
 116     {
 117         if(isset($_POST['aclTarget'])){
 118             $d = get_post('aclTarget');
 119             if(isset($this->userMap[$d])){
 120                 $this->validateDn = $this->userMap[$d]['dn'];
 121                 $this->validateUid = $this->userMap[$d]['uid'][0];
 122                 $this->renderedList = "";
 123             }
 124         }
 125
 126         if(empty($this->renderedList)){
 127
 128             $this->reload();
 129
 130             // Base template - each entry start with this
 131             $tpl =
 132                 "\n <tr class='acl-viewer-head %s'>".
 133                 "\n  <td>%s</td>".
 134                 "\n  <td colspan=2><b>%s</b>&nbsp;-&nbsp;%s</td>".
 135                 "\n </tr>".
 136                 "\n %s".
 137                 "\n <tr>".
 138                 "\n  <td colspan=3><hr></td>".
 139                 "\n </tr>";
 140
 141             // If the acl consists of a user-object-filter then this template is used.
 142             $filter_tpl =
 143                 "\n <tr class='%s'>".
 144                 "\n  <td></td>".
 145                 "\n  <td><b>"._("Filter")."</b></td>".
 146                 "\n  <td><ul><li>%s</li></ul></td>".
 147                 "\n </tr>";
 148
 149             // Used to display ACL owner of type "group"
 150             $gmem_tpl =
 151                 "\n <tr class='%s'>".
 152                 "\n  <td></td>".
 153                 "\n  <td><b>"._("Group members")."</b></td>".
 154                 "\n  <td><ul>%s</ul></td>".
 155                 "\n </tr>";
 156
 157             // Used to display ACL owner of type "user"
 158             $umem_tpl =
 159                 "\n <tr class='%s'>".
 160                 "\n  <td></td>".
 161                 "\n  <td><b>"._("Members")."</b></td>".
 162                 "\n  <td><ul>%s</ul></td>".
 163                 "\n </tr>";
 164
 165             // Used to display the acl contents, except 'reset' and 'role'
 166             $acl_tpl =
 167                 "\n <tr class='%s'>".
 168                 "\n  <td></td>".
 169                 "\n  <td><b>"._("Acls")."</b></td>".
 170                 "\n  <td><ul>%s</ul></td>".
 171                 "\n </tr>";
 172
 173
 174             $str = "<br>".sprintf(_("ACL from the viewpoint of user '%s'"), "<b>".$this->validateUid."</b>");
 175             $str.= "<table summary='"._("Object permissions")."' class='acl-viewer'>";
 176             $ldap = $this->config->get_ldap_link();
 177             $ldap->cd($this->config->current['BASE']);
 178             $ui = get_userinfo();
 179             foreach($this->affectingACLs as $dn => $acls){
 180                 foreach($acls as $acl){
 181                     $gmem = $umem = $defs = "";
 182
 183                     // Prepare entry icon (department or element?)
 184                     $image = (isset($this->config->idepartments[$dn]))? "images/select_department.png":"images/lists/element.png";
 185
 186                     // The acl type (sub,psub,reset...)
 187                     $aclType = $this->aclTypes[$acl['type']];
 188
 189                     // Does the filter match for current object?
 190                     $filter ="";
 191                     $match = TRUE;
 192                     if(!empty($acl['filter'])){
 193                         $match = $ldap->object_match_filter($this->dn,$acl['filter']);
 194                         $filter= $acl['filter'];
 195                         if(!$match){
 196                             $filter= "<span>".$filter."</span>";
 197                         }
 198                     }
 199
 200                     // Check if we are part of the member list
 201                     if($match){
 202                         $found = FALSE;
 203                         foreach($acl['members'] as $mem => $desc){
 204                             if($mem == "U:{$this->validateDn}"){
 205                                 $found = TRUE;
 206                                 break;
 207                             }
 208                             if($mem == "G:*"){
 209                                 $found = TRUE;
 210                                 break;
 211                             }
 212                             if(preg_match("/^G:/", $mem)){
 213                                 $gdn = preg_replace("/^G:/","",$mem);
 214                                 $ldap->cat($gdn,array('memberUid'));
 215                                 if($ldap->count()){
 216                                     $attrs = $ldap->fetch();
 217                                     if(isset($attrs['memberUid']) && in_array($this->validateUid, $attrs['memberUid'])){
 218                                         $found = TRUE;
 219                                     }
 220                                 }
 221                                 break;
 222                             }
 223                         }
 224                         $match = $found;
 225                     }
 226
 227                     $class = "";
 228                     if(!$match){
 229                         $class = "acl-viewer-blocked";
 230                     }
 231
 232                     if(!empty($filter)) $filter =sprintf($filter_tpl,$class,$filter);
 233
 234                     foreach($acl['members'] as $type => $name){
 235                         if(preg_match("/^G/", $type))
 236                             $gmem .= "\n        <li>".$name."</li>";
 237                     }
 238                     if(!empty($gmem)) $gmem =sprintf($gmem_tpl,$class,$gmem);
 239
 240                     foreach($acl['members'] as $type => $name){
 241                         if(!preg_match("/^G/", $type))
 242                             $umem .= "\n        <li>".$name."</li>";
 243                     }
 244                     if(!empty($umem)) $umem = sprintf($umem_tpl,$class,$umem);
 245
 246                     if($acl['type']!='reset'){
 247                         foreach($acl['acl'] as $type => $acl){
 248                             if(isset($this->classMapping[$type])){
 249                                 $defs .= "<li>".$this->classMapping[$type].": ".$this->aclToString($acl)."</li>";
 250                             }else{
 251                                 $defs .= "<li>".$type.": ".$this->aclToString($acl)."</li>";
 252                             }
 253                         }
 254                         if(!empty($defs)) $defs = sprintf($acl_tpl, $class,$defs);
 255                     }
 256                     $str.= sprintf($tpl,$class, image($image), $dn, $aclType, $filter.$gmem.$umem.$defs);
 257                 }
 258             }
 259             $str .= "</table>";
 260             $this->renderedList = $str;
 261         }
 262         return($this->renderedList);
 263     }
 264
 265     function aclToString($acls)
 266     {
 267         $str ="<ul>";
 268         foreach($acls as $name => $acl){
 269             if($name == "0") $name = _("All");
 270             $str .= "<li>".$name;
 271             $str .= "<ul>";
 272             if(preg_match("/s/", $acl)){
 273                 $str.="<li>"._("Grant permission to owner").'</li>';
 274             }
 275             if(preg_match("/r/", $acl)) $str.="<li>"._("read").'</li>';
 276             if(preg_match("/w/", $acl)) $str.="<li>"._("write").'</li>';
 277             if(preg_match("/c/", $acl)) $str.="<li>"._("Create").'</li>';
 278             if(preg_match("/d/", $acl)) $str.="<li>"._("Remove").'</li>';
 279             if(preg_match("/m/", $acl)) $str.="<li>"._("Move").'</li>';
 280             $str.= "</ul>";
 281         }
 282         return($str."</ul>");
 283     }
 284
 285     function processAutocomplete()
 286     {
 287             $ldap = $this->config->get_ldap_link();
 288             $ldap->cd($this->config->current['BASE']);
 289             $ldap->search("(&(objectClass=gosaAccount)(|(sn=*".get_post('aclTarget')."*)".
 290                     "(uid=*".get_post('aclTarget')."*)(givenName=*".get_post('aclTarget')."*)))",
 291                     array('uid','dn','sn','givenName'));
 292             echo "<ul>";
 293             while($attrs = $ldap->fetch()){
 294                 $display = $attrs['givenName'][0]." ".$attrs['sn'][0]." [".$attrs['uid'][0]."]";
 295                 echo "<li>{$display}</li>";
 296                 $this->userMap[$display] = $attrs;
 297             }
 298             echo "</ul>";
 299     }
 300 }
 301
 302 ?>