Improve group members listing + fix VLV index usage

program/lib/Roundcube/rcube_ldap.php

@@ -194,7 +194,7 @@ class rcube_ldap extends rcube_addressbook
         $this->cache = $rcube->get_cache('LDAP.' . asciiwords($this->prop['name']), 'db', 600);
 
         // initialize ldap wrapper object
-        $this->prop['attributes'] = array_unique(array_merge(array_values($this->fieldmap), $fetch_attributes));
+        $this->prop['attributes'] = array_merge(array_values($this->fieldmap), $fetch_attributes);
         $this->ldap = new rcube_ldap_generic($this->prop, true);
         $this->ldap->set_cache($this->cache);
 
@@ -567,7 +567,7 @@ class rcube_ldap extends rcube_addressbook
             return $group_members;
 
         // read these attributes for all members
-        $attrib = $count ? array('dn') : $this->prop['attributes'];
+        $attrib = $count ? array('dn','objectClass') : $this->prop['attributes'];
         $attrib[] = 'member';
         $attrib[] = 'uniqueMember';
         $attrib[] = 'memberURL';
@@ -613,11 +613,11 @@ class rcube_ldap extends rcube_addressbook
 
             // add search filter if any
             $filter = $this->filter ? '(&(' . $m[3] . ')(' . $this->filter . '))' : $m[3];
-            $attrs = $count ? array('dn') : $this->prop['attributes'];
+            $attrs = $count ? array('dn','objectClass') : $this->prop['attributes'];
             if ($result = $this->ldap->search($m[1], $filter, $m[2], $attrs, $this->group_data)) {
                 $entries = $result->entries();
                 for ($j = 0; $j < $entries['count']; $j++) {
-                    if ($nested_group_members = $this->list_group_members($entries[$j]['dn'], $count))
+                    if (self::is_group_entry($entries[$j]) && ($nested_group_members = $this->list_group_members($entries[$j]['dn'], $count)))
                         $group_members = array_merge($group_members, $nested_group_members);
                     else
                         $group_members[] = $entries[$j];
@@ -1286,7 +1286,7 @@ class rcube_ldap extends rcube_addressbook
             $out[$this->primary_key] = self::dn_encode($rec['dn']);
 
         // determine record type
-        if (array_intersect(array('groupofuniquenames','kolabgroupofuniquenames'), array_map('strtolower', (array)$rec['objectclass']))) {
+        if (self::is_group_entry($rec)) {
             $out['_type'] = 'group';
             $out['readonly'] = true;
             $fieldmap['name'] = $this->prop['groups']['name_attr'];
@@ -1408,6 +1408,16 @@ class rcube_ldap extends rcube_addressbook
         return (isset($aliases[$name]) ? $aliases[$name] : $name) . $suffix;
     }
 
+    /**
+     * Determines whether the given LDAP entry is a group record
+     */
+    private static function is_group_entry($entry)
+    {
+        return array_intersect(
+            array('group', 'groupofnames', 'kolabgroupofnames', 'groupofuniquenames','kolabgroupofuniquenames','groupofurls'),
+            array_map('strtolower', (array)$entry['objectclass'])
+        );
+    }
 
     /**
      * Prints debug info to the log

program/lib/Roundcube/rcube_ldap_generic.php

@@ -835,15 +835,15 @@ class rcube_ldap_generic
         // get vlv config
         $vlv_config = $this->_read_vlv_config();
 
-        if ($vlv = $this->$vlv_config[$base_dn]) {
+        if ($vlv = $vlv_config[$base_dn]) {
             $this->_debug("D: Found a VLV for base_dn: " . $base_dn);
 
-            if ($vlv['filter'] == $filter) {
+            if ($vlv['filter'] == strtolower($filter)) {
                 $this->_debug("D: Filter matches");
                 if ($vlv['scope'] == $scope) {
                     // Not passing any sort attributes means you don't care
                     if (empty($sort_attrs) || in_array($sort_attrs, $vlv['sort'])) {
-                        return $vlv['sort'];
+                        return $vlv['sort'][0];
                     }
                 }
                 else {
@@ -909,7 +909,7 @@ class rcube_ldap_generic
 
             $this->vlv_config[$vlv_search_attrs['vlvbase']] = array(
                 'scope'  => self::scopeint2str($vlv_search_attrs['vlvscope']),
-                'filter' => $vlv_search_attrs['vlvfilter'],
+                'filter' => strtolower($vlv_search_attrs['vlvfilter']),
                 'sort'   => $_vlv_sort,
             );
         }
@@ -919,6 +919,8 @@ class rcube_ldap_generic
             $this->cache->set('vlvconfig', $this->vlv_config);
 
         $this->_debug("D: Refreshed VLV config: " . var_export($this->vlv_config, true));
+
+        return $this->vlv_config;
     }