Added Entry CSN check

- Not testet yet.

git-svn-id: https://oss.gonicus.de/repositories/gosa/trunk@8005 594d385d-05f5-0310-b6e9-bd551577e9d8

diff --git a/include/class_plugin.inc b/include/class_plugin.inc
index b71e576ca9b205b107d7e07509c0d45aefa6d54d..528de883ff48e7046125bc6fe0847a81867a1759 100644 (file)
--- a/include/class_plugin.inc
+++ b/include/class_plugin.inc
@@ -118,6 +118,8 @@ class plugin
   /* This can be set to render the tabulators in another stylesheet */
   var $pl_notify= FALSE;
 
+  /* The entries CSN value, if available */
+  var $entryCSN = "";
 
   /* This variable indicates that this class can handle multiple dns at once. */
   var $multiple_support = FALSE; 
@@ -151,6 +153,13 @@ class plugin
     $ldap= $this->config->get_ldap_link();
     if ($dn !== NULL){
 
+      /* Try to get entry CSN for save checks later */
+      $ldap->cat($dn,array("entryCSN"));
+      $csn = $ldap->fetch();
+      if(isset($csn['entryCSN'][0])){
+        $this->entryCSN = $csn['entryCSN'][0];
+      }
+
       /* Load data to 'attrs' and save 'dn' */
       if ($parent !== NULL){
         $this->attrs= $parent->attrs;
@@ -477,6 +486,15 @@ class plugin
 
     }
 
+    /* Check if entry CSN has changed */
+    $ldap = $this->config->get_ldap_link();
+    $ldap->cat($this->dn,array("entryCSN"));
+    $csn = $ldap->fetch();
+    if(isset($csn['entryCSN'][0]) && !empty($this->entryCSN) && $this->entryCSN != $csn['entryCSN'][0]){
+      $this->entryCSN = $csn['entryCSN'][0];
+      $message[] = _("The object has changed since opened in GOsa. Please ensure that nobody has done serious changes that may get lost if you save this entry.");
+    }
+
     return ($message);
   }