gosa-core/include/class_SnapShotDialog.inc

   1 <?php
   2 /*
   3  * This code is part of GOsa (http://www.gosa-project.org)
   4  * Copyright (C) 2003-2008 GONICUS GmbH
   5  *
   6  * ID: $$Id$$
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 /* Snap shot dialog class */
  24 class SnapShotDialog extends plugin
  25 {
  26         var $config;
  27         var $attributes= array("CurrentDescription");
  28         var $CurrentDescription= "";
  29         var $parent= NULL;
  30         var $display_restore_dialog= false;                   /* Defines the restore mode */
  31         var $display_all_removed_objects= false;                /* Specifies which objects will be listed, all
  32                                                  snapshots for a single entry or all snapshots
  33                                                  of already deleted objects  */
  34         var $dialog= true;
  35         var $del_dn= "";
  36         var $ui;
  37         var $acl;
  38   var $dns = array();
  39   var $snap_shot_bases = array();
  40   var $last_list = array();
  41
  42
  43         function SnapShotDialog(&$config, $dn, &$parent)
  44         {
  45     plugin::plugin($config,$dn);
  46     $this->parent       = &$parent;
  47                 $this->ui                 = get_userinfo();
  48         }
  49
  50
  51   /* Show deleted snapshots from these bases */
  52   function set_snapshot_bases($bases)
  53   {
  54     $this->snap_shot_bases = $bases;
  55   }
  56
  57
  58         /* Display snapshot dialog */
  59         function execute()
  60         {
  61                 plugin::execute();
  62                 $smarty = get_smarty();
  63
  64     if(!isset($this->parent->acl_module) || !count($this->parent->acl_module)){
  65       trigger_error("Could not detect acl_module in parent object (".get_class($this->parent).").");
  66       return("");
  67     }
  68
  69     $ui = get_userinfo();
  70
  71                 $once = true;
  72                 foreach($_POST as $name => $value){
  73                         if((preg_match("/^RemoveSnapShot_/",$name)) && ($once)){
  74                                 $once = false;
  75
  76         $entry = preg_replace("/^RemoveSnapShot_/","",$name);
  77         $entry = base64_decode(preg_replace("/_[xy]$/","",$entry));
  78
  79         /* Check if we are allowed to handle snapshots
  80          */
  81         if($ui->allow_snapshot_restore($entry,$this->parent->acl_module)){
  82
  83           $found = false;
  84           foreach($this->last_list as $t_stamp => $obj){
  85             if($obj['dn'] == $entry){
  86               $found = true;
  87               break;
  88             }
  89           }
  90
  91           if($found){
  92             $this->del_dn       = $entry;
  93             $smarty= get_smarty();
  94             $smarty->assign("intro", sprintf(_("You're about to delete the snapshot '%s'."), @LDAP::fix($this->del_dn)));
  95             return($smarty->fetch (get_template_path('remove.tpl')));
  96           }
  97         }
  98       }
  99     }
 100
 101     /* Remove snapshot */
 102     if(isset($_POST['delete_confirm']) && !empty($this->del_dn)){
 103       if($ui->allow_snapshot_restore($this->del_dn,$this->parent->acl_module)){
 104         $this->remove_snapshot($this->del_dn);
 105       }
 106       $this->del_dn = "";
 107                 }
 108
 109                 /* We must restore a snapshot */
 110
 111                 if($this->display_restore_dialog){
 112
 113                         /* Should we only display all snapshots of already deleted objects
 114                 or the snapshots for the given object dn */
 115                         $res = array();
 116                         $tmp = array();
 117                         if($this->display_all_removed_objects){
 118                                 if(count($this->snap_shot_bases)){
 119                                         foreach($this->snap_shot_bases as $dn){
 120                                                 $tmp = array_merge($tmp,$this->getAllDeletedSnapshots($dn,true));
 121                                         }
 122                                 }else{
 123                                         $tmp = $this->getAllDeletedSnapshots($this->snap_shot_bases,true);
 124                                 }
 125                         }else{
 126                                 $tmp = $this->Available_SnapsShots($this->dn,true);
 127                         }
 128
 129                         $DivListSnapShots = new divSelectBox("SnapShotRestore");
 130                         $DivListSnapShots->SetHeight(180);
 131
 132                         $list_of_elements = array();
 133
 134                         /* Walk through all entries and setup the display text */
 135                         foreach($tmp as $key => $entry){
 136
 137         /* Check permissions */
 138         if($ui->allow_snapshot_restore($entry['dn'],$this->parent->acl_module)){
 139           $TimeStamp = $entry['gosaSnapshotTimestamp'][0];
 140           $list_of_elements[$TimeStamp] = $entry;
 141         }
 142                         }
 143
 144                         /* Sort generated list */
 145                         krsort($list_of_elements);
 146
 147                         /* Add Elements to divlist */
 148       $this->last_list = $list_of_elements;
 149                         foreach($list_of_elements as $entry){
 150
 151         $actions= "<input type='image' src='images/lists/restore.png' name='RestoreSnapShot_%KEY'
 152           class='center' title='"._("Restore snapshot")."'>&nbsp;";
 153         $actions.= "<input type='image' src='images/lists/trash.png' name='RemoveSnapShot_%KEY'
 154           class='center' title='"._("Remove snapshot")."'>&nbsp;";
 155
 156                                 $time_stamp     = date(_("Y-m-d, H:i:s"),preg_replace("/\-.*$/","",$entry['gosaSnapshotTimestamp'][0]));
 157                                 $display_data   = $entry['description'][0];
 158
 159                                 if($this->display_all_removed_objects){
 160                                         $display_data.= " - ".$entry['gosaSnapshotDN'][0];
 161                                 }
 162
 163                                 $field0 = array("string"=> $time_stamp , "attach"=> "style='vertical-align:top;width:120px;'");
 164                                 $field1 = array("string"=> htmlentities (utf8_decode($display_data)), "attach"=> "");
 165                                 $field2 = array("string"=> preg_replace("/%KEY/",base64_encode($entry['dn']),$actions) ,
 166                                                                 "attach"=> "style='border-right:0px;vertical-align:top;width:40px;text-align:right;'");
 167                                 $DivListSnapShots->AddEntry(array($field0,$field1,$field2));
 168                         }
 169
 170                         $smarty->assign("SnapShotDivlist",$DivListSnapShots->DrawList());
 171                         $smarty->assign("CountSnapShots",count($list_of_elements));
 172                 }
 173
 174                 $smarty->assign("restore_deleted",$this->display_all_removed_objects);
 175                 $smarty->assign("RestoreMode",$this->display_restore_dialog);
 176                 $smarty->assign("CurrentDate",date(_("Y-m-d, H:i:s")));
 177                 $smarty->assign("CurrentDN",$this->dn);
 178                 $smarty->assign("CurrentDescription",$this->CurrentDescription);
 179                 return($smarty->fetch(get_template_path("snapshotdialog.tpl")));
 180         }
 181
 182
 183         function check()
 184         {
 185                 $message = plugin::check();
 186                 if(!$this->display_restore_dialog){
 187                         if(empty($this->CurrentDescription)){
 188         $message[]= msgPool::invalid(_("Description"));
 189                         }
 190                 }
 191                 return($message);
 192         }
 193
 194
 195         function save_object()
 196         {
 197                 plugin::save_object();
 198                 foreach($this->attributes as $name){
 199                         if(isset($_POST[$name])){
 200                                 $this->$name = stripslashes($_POST[$name]);
 201                         }
 202                 }
 203         }
 204 }
 205
 206 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 207 ?>