<?php


/* Sort multidimensional arrays for key 'text' */
function sort_list($val1, $val2)
{
  $v1= strtolower($val1['text']);
  $v2= strtolower($val2['text']);
  if ($v1 > $v2){
    return 1;
  }
  if ($v1 < $v2){
    return -1;
  }
  return 0;
}


class ogroup extends plugin
{
  /* Variables */
  var $cn= "";
  var $description= "";
  var $base= "";
  var $gosaGroupObjects= "";
  var $department= "";
  var $objects= array();
  var $allobjects= array();
  var $memberList= array();
  var $member= array();
  var $orig_dn= "";
  var $group_dialog= FALSE;

  /* attribute list for save action */
  var $attributes= array("cn", "description", "gosaGroupObjects");
  var $objectclasses= array("top", "gosaGroupOfNames");

  function ogroup ($config, $dn= NULL)
  {
    plugin::plugin ($config, $dn);
    $this->orig_dn= $dn;

    /* Load member objects */
    if (isset($this->attrs['member'])){
      foreach ($this->attrs['member'] as $key => $value){
        if ("$key" != "count"){
          $this->member["$value"]= "$value";
        }
      }
    }
    $this->is_account= TRUE;

    /* Get global filter config */
    if (!is_global("ogfilter")){
      $ui= get_userinfo();
      $base= get_base_from_people($ui->dn);
      $ogfilter= array( "dselect"       => $base,
          "regex"           => "*");
      register_global("ogfilter", $ogfilter);
    }
    $ogfilter= get_global('ogfilter');

    /* Adjust flags */
    foreach( array(   "U" => "accounts",
          "G" => "groups",
          "A" => "applications",
          "D" => "departments",
          "S" => "servers",
          "W" => "workstations",
          "T" => "terminals",
          "F" => "phones",
          "P" => "printers") as $key => $val){

      if (preg_match("/$key/", $this->gosaGroupObjects)){
        $ogfilter[$val]= "checked";
      } else {
        $ogfilter[$val]= "";
      }
    }
    register_global("ogfilter", $ogfilter);
  
    if(isset($_SESSION['ogroupfilter']['depselect'])){
     $this->base = $_SESSION['ogroupfilter']['depselect'];
    }

    /* Load member data */
    $this->reload();
  }

  function AddDelMembership(){
     /* Delete objects from group */
    if (isset($_POST['delete_membership']) && isset($_POST['members'])){
      foreach ($_POST['members'] as $value){
        $this->objects["$value"]= $this->memberList[$value];
        unset ($this->memberList["$value"]);
        unset ($this->member["$value"]);
        uasort ($this->objects, 'sort_list');
        reset ($this->objects);
      }
      $this->reload();
    }

    /* Add objects to group */
    if (isset($_POST['add_object_finish']) && isset($_POST['objects'])){
      foreach ($_POST['objects'] as $value){
        $this->memberList["$value"]= $this->objects[$value];
        $this->member["$value"]= $value;
        unset ($this->objects[$value]);
        uasort ($this->memberList, 'sort_list');
        reset ($this->memberList);
      }
      $this->reload();
    }
  }

  function execute()
  {
    
    $this->reload();

    /* Do we represent a valid group? */
    if (!$this->is_account){
      $display= "<img alt=\"\" src=\"images/stop.png\" align=\"middle\">&nbsp;<b>".
        _("This 'dn' is no object group.")."</b>";
      return ($display);
    }

    /* Delete objects from group */
    if (isset($_POST['delete_membership']) && isset($_POST['members'])){
      foreach ($_POST['members'] as $value){
        if(isset($this->memberList[$value])){
          $this->objects["$value"]= $this->memberList[$value];
          unset ($this->memberList["$value"]);
          unset ($this->member["$value"]);
          uasort ($this->objects, 'sort_list');
          reset ($this->objects);
        }
      }
      $this->reload();
    }

    /* Add objects to group */
    if (isset($_POST['add_object_finish']) && isset($_POST['objects'])){
      foreach ($_POST['objects'] as $value){
        if(isset($this->objects[$value])){
          $this->memberList["$value"]= $this->objects[$value];
          $this->member["$value"]= $value;
          unset ($this->objects[$value]);
          uasort ($this->memberList, 'sort_list');
          reset ($this->memberList);
        }
      }
      $this->reload();
    }

    /* Load templating engine */
    $smarty= get_smarty();

    /* Add objects? */
    if (isset($_POST["edit_membership"])){
      $this->group_dialog= TRUE;
      $this->dialog= TRUE;
    }

    /* Add objects finished? */
    if (isset($_POST["add_object_finish"]) || isset($_POST["add_object_cancel"])){
      $this->group_dialog= FALSE;
      $this->dialog= FALSE;
    }

    /* Manage object add dialog */
    if ($this->group_dialog){

      /* Save data */
      $ogfilter= get_global("ogfilter");
      foreach( array("dselect", "regex") as $type){
        if (isset($_POST[$type])){
          $ogfilter[$type]= $_POST[$type];
        }
      }
      if (isset($_POST['dselect'])){
        foreach( array("accounts", "groups", "applications", "departments",
              "servers", "workstations", "terminals", "printers",
              "phones") as $type){

          if (isset($_POST[$type])) {
            $ogfilter[$type]= "checked";
          } else {
            $ogfilter[$type]= "";
          }
        }
      }
      if (isset($_GET['search'])){
        $s= mb_substr($_GET['search'], 0, 1, "UTF8")."*";
        if ($s == "**"){
          $s= "*";
        }
        $ogfilter['regex']= $s;
      }
      register_global("ogfilter", $ogfilter);
      $this->reload();

      /* Calculate actual groups */
      $smarty->assign("objects", $this->convert_list($this->objects));

      /* Show dialog */
      $smarty->assign("search_image", get_template_path('images/search.png'));
      $smarty->assign("launchimage", get_template_path('images/small_filter.png'));
      $smarty->assign("tree_image", get_template_path('images/tree.png'));
      $smarty->assign("deplist", $this->config->idepartments);
      $smarty->assign("alphabet", generate_alphabet());
      foreach( array("dselect", "regex", "accounts", "groups", "applications",
            "departments", "servers", "workstations", "terminals",
            "printers", "phones") as $type){
        $smarty->assign("$type", $ogfilter[$type]);
      }
      $smarty->assign("hint", print_sizelimit_warning());
      $smarty->assign("apply", apply_filter());

      $display= $smarty->fetch (get_template_path('ogroup_objects.tpl', TRUE, dirname(__FILE__)));
      return ($display);
    }

    /* Bases / Departments */
   
      if (isset($_POST['base'])){
        $this->base= $_POST['base'];
      }

    /* Assemble combine string */
    if ($this->gosaGroupObjects == "[]"){
      $smarty->assign("combinedObjects", _("none"));
    } elseif (strlen($this->gosaGroupObjects) > 4){
      $smarty->assign("combinedObjects", "<font color=red>"._("too many different objects!")."</font>");
    } else {
      $conv= array(   "U" => _("users"),
          "G" => _("groups"),
          "A" => _("applications"),
          "D" => _("departments"),
          "S" => _("servers"),
          "W" => _("workstations"),
          "T" => _("terminals"),
          "F" => _("phones"),
          "P" => _("printers"));

      $type= preg_replace('/[\[\]]/', '', $this->gosaGroupObjects);
      $p1= $conv[$type[0]];
      error_reporting(0);
      if (isset($type[1]) && preg_match('/[UGADSFWTP]/', $type[1])){
        $p2= $conv[$type[1]];
        $smarty->assign("combinedObjects", "$p1 "._("and")." $p2");
      } else {
        $smarty->assign("combinedObjects", "$p1");
      }
      error_reporting(E_ALL);
    }

    /* Assign variables */
    $smarty->assign("bases", $this->config->idepartments);
    $smarty->assign("base_select", $this->base);
    $smarty->assign("department", $this->department);
    $smarty->assign("members", $this->convert_list($this->memberList));

    /* Objects have to be tuned... */
    $smarty->assign("objects", $this->convert_list($this->objects));

    /* Fields */
    foreach ($this->attributes as $val){
      $smarty->assign("$val", $this->$val);
      $smarty->assign("$val"."ACL", chkacl($this->acl, "$val"));
    }

    /* Assign ACL's */
    foreach (array("base", "members") as $val){
      $smarty->assign("$val"."ACL", chkacl($this->acl, "$val"));
    }

    return ($smarty->fetch (get_template_path('generic.tpl', TRUE)));
  }


  /* Save data to object */
  function save_object()
  {
    /* Save additional values for possible next step */
    if (isset($_POST['ogroupedit'])){
      plugin::save_object();

      if (chkacl ($this->acl, "base") == "" && isset($_POST["base"])){
        $this->base= $_POST["base"];
      }

    }
  }


  /* (Re-)Load objects */
  function reload()
  {
    /* Generate object list */
    $this->objects= array();
    $this->allobjects= array();
    $ldap= $this->config->get_ldap_link();

    /* Assemble filter */
    $ogfilter= get_global("ogfilter");

    $ldap->cd ($ogfilter['dselect']);

    $filter= "";
    if ($ogfilter['accounts'] == "checked"){
      $filter.= "(objectClass=gosaAccount)";
    }
    if ($ogfilter['groups'] == "checked"){
      $filter.= "(objectClass=posixGroup)";
    }
    if ($ogfilter['applications'] == "checked"){
      $filter.= "(objectClass=gosaApplication)";
    }
    if ($ogfilter['departments'] == "checked"){
      $filter.= "(objectClass=gosaDepartment)";
    }
    if ($ogfilter['servers'] == "checked"){
      $filter.= "(objectClass=goServer)";
    }
    if ($ogfilter['workstations'] == "checked"){
      $filter.= "(objectClass=gotoWorkstation)";
    }
    if ($ogfilter['terminals'] == "checked"){
      $filter.= "(objectClass=gotoTerminal)";
    }
    if ($ogfilter['printers'] == "checked"){
      $filter.= "(objectClass=gotoPrinter)";
    }
    if ($ogfilter['phones'] == "checked"){
      $filter.= "(objectClass=goFonHardware)";
    }
    $regex= $ogfilter['regex'];

    $ldap->search ("(&(|$filter)(|(uid=$regex)(cn=$regex)(ou=$regex)))", array("dn", "cn", "ou", "description", "objectClass", "sn", "givenName", "uid"));
    while ($attrs= $ldap->fetch()){

      /* Get type */
      $type= $this->getObjectType($attrs);
      $name= $this->getObjectName($attrs);

      /* Fill array */
      if (isset($attrs["description"][0])){
        $this->objects[$attrs["dn"]]= array("text" => "$name [".$attrs["description"][0]."]", "type" => "$type");
      } elseif (isset($attrs["uid"][0])) {
        $this->objects[$attrs["dn"]]= array("text" => "$name [".$attrs["uid"][0]."]", "type" => "$type");
      } else {
        $this->objects[$attrs["dn"]]= array("text" => "$name", "type" => "$type");
      }
    }
    uasort ($this->objects, 'sort_list');
    reset ($this->objects);

    $ldap->cd ($this->config->current['BASE']);
    $filter= "(objectClass=gosaAccount)(objectClass=posixGroup)(objectClass=gosaApplication)(objectClass=gosaDepartment)(objectClass=goServer)(objectClass=gotoWorkstation)(objectClass=gotoTerminal)(objectClass=gotoPrinter)(objectClass=goFonHardware)";
    $regex= "*";

    $ldap->search ("(&(|$filter)(|(uid=$regex)(cn=$regex)(ou=$regex)))", array("dn", "cn", "ou", "description", "objectClass", "sn", "givenName", "uid"));
    while ($attrs= $ldap->fetch()){

      /* Get type */
      $type= $this->getObjectType($attrs);
      $name= $this->getObjectName($attrs);

      /* Fill array */
      if (isset($attrs["description"][0])){
        $this->allobjects[$attrs["dn"]]= array("text" => "$name [".$attrs["description"][0]."]", "type" => "$type");
      } elseif (isset($attrs["uid"][0])) {
        $this->allobjects[$attrs["dn"]]= array("text" => "$name [".$attrs["uid"][0]."]", "type" => "$type");
      } else {
        $this->allobjects[$attrs["dn"]]= array("text" => "$name", "type" => "$type");
      }
      $this->allobjects[$attrs["dn"]]['objectClass']  = $attrs['objectClass'];
      if(isset($attrs['uid'])){
        $this->allobjects[$attrs["dn"]]['uid']          = $attrs['uid'];
      }
    }
    uasort ($this->allobjects, 'sort_list');
    reset ($this->allobjects);

    /* Build member list */
    $this->memberList= array();
    foreach($this->member as $dn){

      /* Object in object list? */
      if (isset($this->allobjects[$dn])){
        $this->memberList[$dn]= $this->allobjects[$dn];
        if (isset ($this->objects[$dn])){
          unset ($this->objects[$dn]);
        }

      } else {

        /* No, try to ge informations from LDAP */
        $ldap->cat($dn, array("cn", "sn", "givenName", "ou", "description", "objectClass"));
        if ($ldap->error != "success"){
          $this->memberList[$dn]= array('text' => _("Non existing dn: ")."$dn",
              "type" => "I");
        } else {
          $ldap->cat($dn);
          $attrs= $ldap->fetch();
          $type= $this->getObjectType($attrs);
          $name= $this->getObjectName($attrs);

          /* Fill array */
          if (isset($attrs["description"][0])){
            $this->objects[$attrs["dn"]]= array("text" => "$name [".$attrs["description"][0]."]", "type" => "$type");
          } else {
            $this->objects[$attrs["dn"]]= array("text" => "$name", "type" => "$type");
          }

        }
      }
    }
    uasort ($this->memberList, 'sort_list');
    reset ($this->memberList);

    /* Assemble types of currently combined objects */
    $objectTypes= "";
    foreach ($this->memberList as $dn => $desc){

      /* Invalid object? */
      if ($desc['type'] == 'I'){
        continue;
      }

      /* Fine. Add to list. */
      if (!preg_match('/'.$desc['type'].'/', $objectTypes)){
        $objectTypes.= $desc['type'];
      }
    }
    $this->gosaGroupObjects= "[$objectTypes]";
  }


  function convert_list($input)
  {
    $temp= "";
    $conv= array(  "U" => "select_user.png",
        "G" => "select_groups.png",
        "A" => "select_application.png",
        "D" => "select_department.png",
        "S" => "select_server.png",
        "W" => "select_workstation.png",
        "T" => "select_terminal.png",
        "F" => "select_phone.png",
        "I" => "flag.png",
        "P" => "select_printer.png");

    foreach ($input as $key => $value){
      /* Generate output */
      $temp.= "<option value=\"$key\" class=\"select\" style=\"background-image:url('".get_template_path("images/".$conv[$value['type']])."');\">".$value['text']."</option>\n";
    }

    return ($temp);
  }


  function getObjectType($attrs)
  {
    $type= "I";

    foreach(array(  "U" => "gosaAccount",
          "G" => "posixGroup",
          "A" => "gosaApplication",
          "D" => "gosaDepartment",
          "S" => "goServer",
          "W" => "gotoWorkstation",
          "T" => "gotoTerminal",
          "F" => "goFonHardware",
          "P" => "gotoPrinter") as $index => $class){
      if (in_array($class, $attrs['objectClass'])){
        $type= $index;
        break;
      }
    }

    return ($type);
  }


  function getObjectName($attrs)
  {
    /* Person? */
    if (in_array('gosaAccount', $attrs['objectClass'])){
      if(isset($attrs['sn']) && isset($attrs['givenName'])){
        $name= $attrs['sn'][0].", ".$attrs['givenName'][0];
      } else {
        $name= $attrs['uid'][0];
      }
    } else {
      if(isset($attrs["cn"][0])) {
        $name= $attrs['cn'][0];
      } else {
        $name= $attrs['ou'][0];
      }
    }

    return ($name);
  }


  function check()
  {
    $message= array();

    /* Permissions for that base? */
    if ($this->base != ""){
      $new_dn= 'cn='.$this->cn.','.get_groups_ou().$this->base;
    } else {
      $new_dn= $this->dn;
    }

    $ui= get_userinfo();
    $acl= get_permissions ($new_dn, $ui->subtreeACL);
    $acl= get_module_permission($acl, "group", $new_dn);
    if (chkacl($acl, "create") != ""){
      $message[]= _("You have no permissions to create a group on this 'Base'.");
    }

    /* must: cn */
    if ($this->cn == "" && chkacl ($this->acl, "cn") == ""){
      $message[]= "The required field 'Name' is not set.";
    }

    /* Need at least one member */
    if (count($this->member) == 0){
      $message[]= _("Object groups need at least one member!");
    }

    /* To many different object types? */
    if (strlen($this->gosaGroupObjects) > 4){
      $message[]= _("You can combine two different object types at maximum only!");
    }

    return ($message);
  }


  /* Save to LDAP */
  function save()
  {
    plugin::save();

    /* Move members to target array */
    foreach ($this->member as $key => $desc){
      $this->attrs['member'][]= $key;
    }

    $ldap= $this->config->get_ldap_link();

    /* New accounts need proper 'dn', propagate it to remaining objects */
    if ($this->dn == 'new'){
      $this->dn= 'cn='.$this->cn.','.get_groups_ou().$this->base;
    }

    /* Save data. Using 'modify' implies that the entry is already present, use 'add' for
       new entries. So do a check first... */
    $ldap->cat ($this->dn);
    if ($ldap->fetch()){
      /* Modify needs array() to remove values :-( */
      if (!count ($this->member)){
        $this->attrs['member']= array();
      }
      $mode= "modify";
    } else {
      $mode= "add";
      $ldap->cd($this->config->current['BASE']);
      $ldap->create_missing_trees(preg_replace('/^[^,]+,/', '', $this->dn));
    }

    /* Write back to ldap */
    $ldap->cd($this->dn);
    $ldap->$mode($this->attrs);

    /* Trigger post signal */
    $this->handle_post_events($mode);

    $ret= 0;
    if (show_ldap_error($ldap->get_error())){
      $ret= 1;
    }

    return ($ret);
  }

  function remove_from_parent()
  {
    plugin::remove_from_parent();

    $ldap= $this->config->get_ldap_link();
    $ldap->rmdir($this->dn);
    show_ldap_error($ldap->get_error());

    /* Trigger remove signal */
    $this->handle_post_events("remove");
  }

}

// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>