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add getAllGroups() that uses a paged search if available 

this circumvents server side search limits
(active directory has a limit of 1000 by default)
This commit is contained in:
root 2013-12-06 15:46:00 +01:00 committed by Alexander Bergolth
parent 7c3f3cc933
commit a135f1ebbb
1 changed files with 34 additions and 0 deletions
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34
apps/user_ldap/group_ldap.php
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@ -334,6 +334,40 @@ class GROUP_LDAP extends BackendUtility implements \OCP\GroupInterface {
return $ldap_groups;
}
/**
* @brief get a list of all groups using a paged search
* @returns array with group names
*
* Returns a list with all groups
* Uses a paged search if available to override a
* server side search limit.
* (active directory has a limit of 1000 by default)
*/
public function getAllGroups($search = '', $max_groups= 100000, $chunksize=900) {
if(!$this->enabled) {
return array();
}
if (! $this->access->connection->hasPagedResultSupport) {
return $this->getGroups($search);
}
$offset = 0;
$all_groups = array();
while ($offset < $max_groups) {
$limit = min($chunksize, $max_groups - $offset);
$ldap_groups = $this->getGroups('', $limit, $offset);
$nread = count($ldap_groups);
\OCP\Util::writeLog('user_ldap', 'getAllGroups('.$search.'): read '.$nread.' at offset '.$offset.' (limit: '.$limit.')', \OCP\Util::DEBUG);
if ($nread) {
$all_groups = array_merge($all_groups, $ldap_groups);
$offset += $nread;
}
if ($nread < $limit) {
break;
}
}
return $all_groups;
}
public function groupMatchesFilter($group) {
return (strripos($group, $this->groupSearch) !== false);
}