<?php
/*
   This code is part of GOsa (https://gosa.gonicus.de)
   Copyright (C) 2008  Fabian Hickert

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


/********

  public function __construct($config)
  public function enabled()
  function get_hosts_for_system_management()
  private function xml_to_array($xml,$alternative_method = FALSE)
  public function send_action($type,$hostId,$mac)
  public function list_clients( $hostId = "")
  public function add_client($hostId,$macaddress,$notes,$description)
  public function modify_client($hostId,$mac,$notes,$description)
  public function get_netboot_products($host = "")
  public function get_local_products($host = "")
  public function get_product_properties($productId,$hostId = "")
  public function set_product_properties($productId,$cfg,$hostId = "")
  public function add_product_to_client($productId,$hostId)
  public function del_product_from_client($productId,$hostId)
  public function get_client_hardware($hostId)
  public function get_client_software($hostId)
  public function del_client($hostId)
  public function job_opsi_install_client($hostId,$mac)

 ********/


/*! \brief  This is the opsi base class, it handles 
  .          gosa daemon requests and prepares data for opsi plugins.
 */
class opsi extends gosaSupportDaemon 
{
  private $config = NULL;
  protected $use_alternative_xml_parse_method = TRUE;
  protected $target = "";

  /*! \brief 		Create opsi object.
    @param
    @return 		
   */
  public function __construct($config)
  {
    $this->config = $config;
    gosaSupportDaemon::__construct($config);

    /* Detect the target opsi host 
     */
    $tmp= $this->config->search("faiManagement", "CLASS",array('menu','tabs'));
    if(!empty($tmp) && class_available("faiManagement")){
      $opsi_hosts = $this->get_hosts_with_module("opsi_com");

      /* Just use the first result of the opsi hosts 
       */
      if(count($opsi_hosts) == 1 && isset($opsi_hosts[0])){
        $this->target = $opsi_hosts[0];
      }elseif(count($opsi_hosts) > 1){
        $this->target = $opsi_hosts[0];
        msg_dialog::display(_("Opsi"),sprintf(_("More than one Opsi server were found, using the first result '%s'."),$this->target));
      }
    }
  }

  
  public function enabled()
  {
    $tmp= $this->config->search("faiManagement", "CLASS",array('menu','tabs'));
    if(!empty($tmp) && class_available("faiManagement") && !empty($this->target)){
      return(TRUE);
    }   
    return(FALSE);
  }


  /******************
    Opsi handling 
   ******************/

  function get_hosts_for_system_management()
  {
    $res = $this->list_clients();
    $data = array();
    $ui = get_userinfo();
    foreach($res as $entry){
      if(!isset($entry['MAC'][0]['VALUE'])) $entry['MAC'][0]['VALUE'] = "";
      $obj = array(
        "dn"          => "opsi:=".$entry['NAME'][0]['VALUE'].",".get_ou("sambaMachineAccountRDN").$this->config->current['BASE'],
        "objectClass" => array("gosa_opsi_client"),
        "cn"          => array(0 => $entry['NAME'][0]['VALUE']),
        "macAddress"  => array(0 => $entry['MAC'][0]['VALUE']),
        "opsi_notes"  => array(0 => $entry['NOTES'][0]['VALUE']));

      /* Check permissions */
      $opsi_acl = $ui->get_permissions($obj['dn'],"opsi/opsiGeneric");
      if(preg_match("/r/",$opsi_acl)){
        if(!empty($entry['DESCRIPTION'][0]['VALUE'])){ 
          $obj["description"]= array();
          $obj["description"][0]= $entry['DESCRIPTION'][0]['VALUE'];
        }
        $data[] = $obj;
      }
    }

    return($data);
  }


  /*! \brief  Maps all xml to array conversion to an alternative method
                then used in the parent class 'gosaSupportDaemon'.
              The alternative method is able to handle more complex data.
   */
  private function xml_to_array($xml,$alternative_method = FALSE)
  {
    return(gosaSupportDaemon::xml_to_array($xml,TRUE));
  }


  /*! \brief  Trigger an event like wake or install for a specific hostId. 
   */
  public function send_action($type,$hostId,$mac)
  {
    switch($type){
      case 'install'  :  $this->job_opsi_install_client($hostId,$mac); break;
      default         :  trigger_error('Unknown type '.$type.'.');
    }
  }

  
  public function job_opsi_activate_client($id,$mac)
  {
    $events = DaemonEvent::get_event_types(SYSTEM_EVENT | HIDDEN_EVENT);
    $o_queue = new gosaSupportDaemon();
    if(isset($events['TRIGGERED']['DaemonEvent_activate'])){
      $evt = $events['TRIGGERED']['DaemonEvent_activate'];
      $tmp = new $evt['CLASS_NAME']($this->config);
      $tmp->set_type(TRIGGERED_EVENT);
      $tmp->add_targets(array($mac));
      if(!$o_queue->append($tmp)){
        msg_dialog::display(_("Service infrastructure"),msgPool::siError($o_queue->get_error()),ERROR_DIALOG);
      }
    }
  }


  /******************
    SI Communication functions
   ******************/


  /*! \brief 		Returns a list of all opsi clients.
    @param
    @return 		
   */
  public function list_clients( $hostId = "")
  {
    $data   = array();
    $res    = $this->send_data("gosa_opsi_list_clients",$this->target,$data,TRUE);
    $items  = array();
    if(isset($res['XML'][0]['ITEM'])){
      $items = $res['XML'][0]['ITEM'];
    }
    return($items);
  }


  /*! \brief 		Adds a new opsi client.
    @param
    @return 		
   */
  public function add_client($hostId,$macaddress,$notes,$description)
  {
    $data = array("hostId" => $hostId,"macaddress" => $macaddress);

    if(empty($hostId)){
      trigger_error("No valid host id given, check parameter 1.");
      return;
    }
  
    /* Add optional attributes */ 
    foreach(array("notes","description") as $attr) {
      if(!empty($$attr)){
        $data[$attr] = $$attr;
      }
    }

    /* Query SI server */
    $res    = $this->send_data("gosa_opsi_add_client",$this->target,$data,TRUE);
  }


  /*! \brief 		Modify an opsi client.
    @param
    @return 		
   */
  public function modify_client($hostId,$mac,$notes,$description)
  {
    $data = array("hostId" => $hostId,"mac" => $mac);

    if(empty($hostId)){
      trigger_error("No valid host id given, check parameter 1.");
      return;
    }
  
    /* Add optional attributes */ 
    foreach(array("notes","description") as $attr) {
      $data[$attr] = $$attr;
    }

    /* Query SI server */
    $res = $this->send_data("gosa_opsi_modify_client",$this->target,$data,TRUE);
  }


  /*! \brief 		Returns a list of netboot products.
    @param
    @return 		
   */
  public function get_netboot_products($host = "")
  {
    /* Append host attribute to query data 
     */
    $data = array();
    if(!empty($host)){
      $data['hostId'] = trim($host);
    }

    $res    = $this->send_data("gosa_opsi_get_netboot_products",$this->target,$data,TRUE);
    $items = array();
    if(isset($res['XML'][0]['ITEM'])){
      foreach($res['XML'][0]['ITEM'] as $entry){
        $e = array("DESC" => $entry['DESCRIPTION'][0]['VALUE'],
                   "NAME" => $entry['PRODUCTID'][0]['VALUE']);
        $items[$entry['PRODUCTID'][0]['VALUE']] = $e;
      }
    }
    return($items);
  }


  /*! \brief 		Returns a list of all local products.
    @param
    @return 		
   */
  public function get_local_products($host = "")
  {
    /* Append host attribute to query data 
     */
    $data = array();
    if(!empty($host)){
      $data['hostId'] = trim($host);
    }

    $res    = $this->send_data("gosa_opsi_get_local_products",$this->target,$data,TRUE);
    $items = array();
    if(isset($res['XML'][0]['ITEM'])){
      foreach($res['XML'][0]['ITEM'] as $entry){
        $e = array("DESC" => $entry['DESCRIPTION'][0]['VALUE'],
                   "NAME" => $entry['PRODUCTID'][0]['VALUE']);
        $items[$entry['PRODUCTID'][0]['VALUE']] = $e; 
      }
    }
    return($items);
  }


  /*! \brief 		Returns a list of netboot products.
    @param
    @return 		
   */
  public function get_full_product_host_information($host = "")
  {
    /* Append host attribute to query data 
     */
    $data = array();
    if(!empty($host)){
      $data['hostId'] = trim($host);
    }

    $res    = $this->send_data("gosa_opsi_get_full_product_host_information",$this->target,$data,TRUE);
    $items = array();
    $attrs = array("TYPE","PRIORITY","ONCESCRIPT","LICENSEREQUIRED","PACKAGEVERSION","PRODUCTVERSION",
        "ADVICE","SETUPSCRIPT","WINDOWSSOFTWAREIDS","PXECONFIGTEMPLATE","NAME","CREATIONTIMESTAMP", "TYPE",
        "ALWAYSSCRIPT","PRODUCTID","DESCRIPTION","UNINSTALLSCRIPT","UPDATESCRIPT","PRODUCTCLASSNAMES");

    if(isset($res['XML'][0]['ITEM'])){
      foreach($res['XML'][0]['ITEM'] as $entry){
        $e = array();
        foreach($attrs as $attr){
          if(isset($entry[$attr])){
            foreach($entry[$attr] as $key => $value){
              if(isset($value['VALUE'])){
                $e['data'][$attr] = $value['VALUE'];
              }elseif($value['ELEMENT']){
                foreach($value['ELEMENT'] as $element){
                  $e['data'][$attr][] = $element['VALUE'];
                }
              }
            }
          }
        }

        $e["configurable"] = FALSE;
        if(isset($entry['PROPERTIES']) && count($entry['PROPERTIES'])){
          $e["configurable"] = TRUE;
          $p_data = array();

          foreach($entry['PROPERTIES'][0] as $p_name => $p_values){
            if(empty($p_values)) continue;
            $p_data[$p_name]= array();
            foreach(array('CURRENT','DEFAULT','DESCRIPTION') as $p_tmp){
              if(isset($p_values[0][$p_tmp])){
                if(isset($p_values[0][$p_tmp][0]['VALUE'])){
                  $p_data[$p_name][$p_tmp] = $p_values[0][$p_tmp][0]['VALUE'];
                }
              }
            }

            if(isset($p_values[0]['VALUES'][0]['ELEMENT'])){
              foreach($p_values[0]['VALUES'][0]['ELEMENT'] as $val){
                $p_data[$p_name]['VALUE'][] = $val['VALUE'];
              }
              $p_data[$p_name]['VALUE_CNT'] = count($p_data[$p_name]['VALUE']);
            } 
          }

          $e["data"]['PROPERTIES'] = $p_data;
        }


        $e["installed"] = FALSE;
        if(isset($entry['ACTIONREQUEST'])){
          $e["installed"] = TRUE;
        }

        $e["requires_licence"] = FALSE;
        if(isset($e['data']['LICENSEREQUIRED']) && preg_match("/true/i",$e['data']['LICENSEREQUIRED'])){
          $e["requires_licence"] = TRUE;
        }
        $items[$entry['PRODUCTID'][0]['VALUE']] = $e;
      }
    }
    return($items);
  }


  /*! \brief 		Returns a list of all product properties. \ 
    .           Additionally you can specify the host parameter to \
    .           get host specific product properties
    @param
    @return 		
   */
  public function get_product_properties($productId,$hostId = "")
  {
    $data = array("productId" => $productId);

    /* Append host attribute to query data 
     */
    if(!empty($hostId)){
      $data['hostId'] = trim($hostId);
    }
   
    /* Check parameter */ 
    if(empty($productId)){
      trigger_error("No valid product id given, check parameter 1.");
      return(array());
    }

    /* Query SI server */
    $res    = $this->send_data("gosa_opsi_get_product_properties",$this->target,$data,TRUE);
    $items  = array();
    if(isset($res['XML'][0]['ITEM'])){   
      foreach($res['XML'][0]['ITEM'] as $entry){
        foreach($entry as $name => $val){

          foreach(array("DESCRIPTION","CURRENT") as $attr){
            $items[$name][$attr] = "";
            if(isset($val[0][$attr])){
              $items[$name][$attr] = $val[0][$attr][0]['VALUE'];
            }
          }
          $items[$name]['VALUE'] = array();
          if(isset($val['0']['VALUE'])){
            foreach($val['0']['VALUE'] as $value){
              $items[$name]['VALUE'][] = $value['VALUE'];
            }
          }
          $items[$name]['VALUE_CNT'] = count($items[$name]['VALUE']);
        }
      }
    }
    return($items);
  }


  /*! \brief 		Set product properties, globally or per host. 
    @param
    @return 		
   */
  public function set_product_properties($productId,$cfg,$hostId = "")
  {
    $data = array("productId" => $productId);

    /* Append host attribute to query data 
     */
    if(!empty($hostId)){
      $data['hostId'] = trim($hostId);
    }
   
    /* Check parameter */ 
    if(empty($productId)){
      trigger_error("No valid product id given, check parameter 1.");
      return(array());
    }

    if(!count($cfg)) return;
    
    /* Add properties */
    $data['item'] = array();
    foreach($cfg as $name => $value){
      $data['item'][] = "<name>".$name."</name><value>".$value['CURRENT']."</value>";
    }  

    /* Query SI server */
    $res    = $this->send_data("gosa_opsi_set_product_properties",$this->target,$data,TRUE);
  }


  /*! \brief 		Adds a given product to a client.
    @param
    @return 		
   */
  public function add_product_to_client($productId,$hostId)
  {
    $data = array("productId" => $productId,"hostId" => $hostId);

    /* Check parameter */ 
    if(empty($productId)){
      trigger_error("No valid product id given, check parameter 1.");
      return;
    }
    if(empty($hostId)){
      trigger_error("No valid host id given, check parameter 2.");
      return;
    }

    /* Query SI server */
    $res    = $this->send_data("gosa_opsi_add_product_to_client",$this->target,$data,TRUE);
  }


  /*! \brief      Removes a given product from a client.
    @param
    @return
   */
  public function del_product_from_client($productId,$hostId)
  {
    $data = array("productId" => $productId,"hostId" => $hostId);

    /* Check parameter */ 
    if(empty($productId)){
      trigger_error("No valid product id given, check parameter 1.");
      return;
    }
    if(empty($hostId)){
      trigger_error("No valid host id given, check parameter 2.");
      return;
    }

    /* Query SI server */
    $res    = $this->send_data("gosa_opsi_del_product_from_client",$this->target,$data,TRUE);
  }


  /*! \brief 		Returns the clients hardware setup.
    @param
    @return 		
   */
  public function get_client_hardware($hostId)
  {
    $data = array("hostId" => $hostId);

    /* Check parameter */ 
    if(empty($hostId)){
      trigger_error("No valid host id given, check parameter 1.");
      return;
    }

    /* Query SI server */
    $res    = $this->send_data("gosa_opsi_get_client_hardware",$this->target,$data,TRUE);
    if(isset($res['XML'][0]['ITEM'])){
      return($res['XML'][0]['ITEM']);
    }
    return(array());
  }


  /*! \brief 		Returns the clients software setup.
    @param
    @return 		
   */
  public function get_client_software($hostId)
  {
    $data = array("hostId" => $hostId);

    /* Check parameter */ 
    if(empty($hostId)){
      trigger_error("No valid host id given, check parameter 1.");
      return;
    }

    /* Query SI server */
    $res    = $this->send_data("gosa_opsi_get_client_software",$this->target,$data,TRUE);
    if(isset($res['XML'][0]['ITEM'])){
      return($res['XML'][0]['ITEM']);
    }
    return(array());
  }


  /*! \brief 		Deletes the given opsi client.
    @param
    @return 		
   */
  public function del_client($hostId)
  {
    $data = array("hostId" => $hostId);

    /* Check parameter */ 
    if(empty($hostId)){
      trigger_error("No valid host id given, check parameter 1.");
      return;
    }

    /* Query SI server */
    $res    = $this->send_data("gosa_opsi_del_client",$this->target,$data,TRUE);
    if(isset($res['XML'][0]['ITEM'])){
      return($res['XML'][0]['ITEM']);
    }
    return(array());
  }


  /*! \brief 		Triggers install/reinstall of an opsi client.
    @param
    @return 		
   */
  public function job_opsi_install_client($hostId,$mac)
  {
    $data = array("hostId" => $hostId,"macaddress"=>$mac);

    /* Check parameter */ 
    if(empty($hostId)){
      trigger_error("No valid host id given, check parameter 1.");
      return;
    }

    /* Query SI server */
    $this->send_data("job_opsi_install_client",$this->target,$data,TRUE);
  }
}
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?>