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             // Autocompleter template
 131             $autocompleter ="
 132                 <input class='filter_textfield' placeholder='"._("Search")."...'
 133                 id='aclTarget' name='aclTarget' type='text' value=''
 134                 onChange=\"\$('aclTargetSubmit').focus();\">
 135
 136                 <div id='autocomplete' class='autocomplete'></div>
 137                 <script type='text/javascript'>
 138                 new Ajax.Autocompleter(
 139                         'aclTarget',
 140                         'autocomplete',
 141                         'autocomplete.php',
 142                         { minChars: 3, frequency: 0.5 });
 143             </script>
 144             ".image("images/lists/submit.png","aclTargetSubmit");
 145
 146             // Base template - each entry start with this
 147             $tpl =
 148                 "\n <tr class='acl-viewer-head %s'>".
 149                 "\n  <td>%s</td>".
 150                 "\n  <td colspan=2><b>%s</b>&nbsp;-&nbsp;%s</td>".
 151                 "\n </tr>".
 152                 "\n %s".
 153                 "\n <tr>".
 154                 "\n  <td colspan=3><hr></td>".
 155                 "\n </tr>";
 156
 157             // If the acl consists of a user-object-filter then this template is used.
 158             $filter_tpl =
 159                 "\n <tr class='%s'>".
 160                 "\n  <td></td>".
 161                 "\n  <td><b>"._("Filter")."</b></td>".
 162                 "\n  <td><ul><li>%s</li></ul></td>".
 163                 "\n </tr>";
 164
 165             // Used to display ACL owner of type "group"
 166             $gmem_tpl =
 167                 "\n <tr class='%s'>".
 168                 "\n  <td></td>".
 169                 "\n  <td><b>"._("Group members")."</b></td>".
 170                 "\n  <td><ul>%s</ul></td>".
 171                 "\n </tr>";
 172
 173             // Used to display ACL owner of type "user"
 174             $umem_tpl =
 175                 "\n <tr class='%s'>".
 176                 "\n  <td></td>".
 177                 "\n  <td><b>"._("Members")."</b></td>".
 178                 "\n  <td><ul>%s</ul></td>".
 179                 "\n </tr>";
 180
 181             // Used to display the acl contents, except 'reset' and 'role'
 182             $acl_tpl =
 183                 "\n <tr class='%s'>".
 184                 "\n  <td></td>".
 185                 "\n  <td><b>"._("Acls")."</b></td>".
 186                 "\n  <td><ul>%s</ul></td>".
 187                 "\n </tr>";
 188
 189
 190             $user = sprintf(_("ACL from the viewpoint of user '%s'"), "<b>".$this->validateUid."</b>");
 191             $str  = "<table summary='"._("Object permissions")."'>";
 192             $str .= " <tr><td>".$user."</td><td>".$autocompleter."</td></tr>";
 193             $str .= "</table>";
 194             $str .= "<table summary='"._("Object permissions")."' class='acl-viewer'>";
 195             $ldap = $this->config->get_ldap_link();
 196             $ldap->cd($this->config->current['BASE']);
 197             $ui = get_userinfo();
 198             foreach($this->affectingACLs as $dn => $acls){
 199                 foreach($acls as $acl){
 200
 201                     // Prepare entry icon (department or element?)
 202                     $image = (isset($this->config->idepartments[$dn]))? "images/select_department.png":"images/lists/element.png";
 203
 204                     // The acl type (sub,psub,reset...)
 205                     $aclType = $this->aclTypes[$acl['type']];
 206
 207                     // Does the filter match for current object?
 208                     $filter ="";
 209                     $match = TRUE;
 210                     if(!empty($acl['filter'])){
 211                         $match = $ldap->object_match_filter($this->dn,$acl['filter']);
 212                         $filter= $acl['filter'];
 213                         if(!$match){
 214                             $filter= "<span>".$filter."</span>";
 215                         }
 216                     }
 217
 218                     // Check membership
 219                     $gmem = $umem = "";
 220                     $users = $groups = array();
 221                     $gfound = $ufound = FALSE;
 222                     foreach($acl['members'] as $type => $name){
 223
 224                         // Check if we're part of the members
 225                         if(preg_match("/^U:/", $type)){
 226                             if(preg_match("/^U:".preg_quote($this->validateDn,'/')."/", $type)){
 227                                 $users[] = $name;
 228                                 $ufound = TRUE;
 229                                 continue;
 230                             }
 231                             $users[] = "<span>".$name."</span>";
 232                         }
 233
 234                         // Check if we're part of the group members
 235                         if(preg_match("/^G/", $type)){
 236                             if($type == "G:*"){
 237                                 $gfound = TRUE;
 238                                 $groups[] = $name;
 239                                 continue;
 240                             }
 241                             if(preg_match("/^G:/", $type)){
 242                                 $gdn = preg_replace("/^G:/","",$type);
 243                                 $ldap->cat($gdn,array('memberUid'));
 244                                 if($ldap->count()){
 245                                     $attrs = $ldap->fetch();
 246                                     if(isset($attrs['memberUid']) && in_array($this->validateUid, $attrs['memberUid'])){
 247                                         $gfound = TRUE;
 248                                         $groups[] = $name;
 249                                     }
 250                                 }
 251                                 continue;
 252                             }
 253
 254                             // Group member doesn't mactch
 255                             $groups[] = "<span>".$name."</span>";
 256                         }
 257                     }
 258                     if(!count($groups)) $gfound = TRUE;
 259                     if(!count($users)) $ufound = TRUE;
 260
 261                     // Build up ACL definition list
 262                     $defs ="";
 263                     if($acl['type']!='reset'){
 264                         foreach($acl['acl'] as $type => $acl){
 265                             if(isset($this->classMapping[$type])){
 266                                 $defs .= "<li>".$this->classMapping[$type].": ".$this->aclToString($acl)."</li>";
 267                             }else{
 268                                 $defs .= "<li>".$type.": ".$this->aclToString($acl)."</li>";
 269                             }
 270                         }
 271                     }
 272
 273                     // Display the acl block in a special color if its not matching
 274                     $class="";
 275                     if(!$gfound || !$ufound || !$match){
 276                         $class = "acl-viewer-blocked";
 277                     }
 278
 279                     if(!empty($filter)) $filter =sprintf($filter_tpl,$class,$filter);
 280                     if(!empty($defs)) $defs = sprintf($acl_tpl,$class,$defs);
 281                     if(count($users))  $umem = sprintf($umem_tpl,$class,"<li>".implode($users,'</li><li>')."</li>");
 282                     if(count($groups)) $gmem = sprintf($gmem_tpl,$class,"<li>".implode($groups,'</li><li>')."</li>");
 283                     $str.= sprintf($tpl,$class, image($image), $dn, $aclType, $filter.$gmem.$umem.$defs);
 284                 }
 285             }
 286             $str .= "</table>";
 287             $this->renderedList = $str;
 288         }
 289         return($this->renderedList);
 290     }
 291
 292     function aclToString($acls)
 293     {
 294         $str ="<ul>";
 295         foreach($acls as $name => $acl){
 296             if($name == "0") $name = _("All");
 297             $str .= "<li>".$name;
 298             $str .= "<ul>";
 299             if(preg_match("/s/", $acl)){
 300                 $str.="<li>"._("Grant permission to owner").'</li>';
 301             }
 302             if(preg_match("/r/", $acl)) $str.="<li>"._("read").'</li>';
 303             if(preg_match("/w/", $acl)) $str.="<li>"._("write").'</li>';
 304             if(preg_match("/c/", $acl)) $str.="<li>"._("Create").'</li>';
 305             if(preg_match("/d/", $acl)) $str.="<li>"._("Remove").'</li>';
 306             if(preg_match("/m/", $acl)) $str.="<li>"._("Move").'</li>';
 307             $str.= "</ul>";
 308         }
 309         return($str."</ul>");
 310     }
 311
 312     function processAutocomplete()
 313     {
 314             $ldap = $this->config->get_ldap_link();
 315             $ldap->cd($this->config->current['BASE']);
 316             $ldap->search("(&(objectClass=gosaAccount)(|(sn=*".get_post('aclTarget')."*)".
 317                     "(uid=*".get_post('aclTarget')."*)(givenName=*".get_post('aclTarget')."*)))",
 318                     array('uid','dn','sn','givenName'));
 319             echo "<ul>";
 320             while($attrs = $ldap->fetch()){
 321                 $display = $attrs['givenName'][0]." ".$attrs['sn'][0]." [".$attrs['uid'][0]."]";
 322                 echo "<li>{$display}</li>";
 323                 $this->userMap[$display] = $attrs;
 324             }
 325             echo "</ul>";
 326     }
 327 }
 328
 329 ?>