Merge pull request #258 from wardragon/ldap_existence_check_no_refactor

LDAP: improved object existence check
This commit is contained in:
blizzz 2012-11-06 07:24:15 -08:00
commit 64ac208fb2
2 changed files with 11 additions and 6 deletions

View File

@ -40,9 +40,11 @@ abstract class Access {
* @brief reads a given attribute for an LDAP record identified by a DN
* @param $dn the record in question
* @param $attr the attribute that shall be retrieved
* @returns the values in an array on success, false otherwise
* if empty, just check the record's existence
* @returns an array of values on success or an empty
* array if $attr is empty, false otherwise
*
* Reads an attribute from an LDAP entry
* Reads an attribute from an LDAP entry or check if entry exists
*/
public function readAttribute($dn, $attr, $filter = 'objectClass=*') {
if(!$this->checkConnection()) {
@ -57,10 +59,14 @@ abstract class Access {
}
$rr = @ldap_read($cr, $dn, $filter, array($attr));
if(!is_resource($rr)) {
\OCP\Util::writeLog('user_ldap', 'readAttribute '.$attr.' failed for DN '.$dn, \OCP\Util::DEBUG);
\OCP\Util::writeLog('user_ldap', 'readAttribute failed for DN '.$dn, \OCP\Util::DEBUG);
//in case an error occurs , e.g. object does not exist
return false;
}
if (empty($attr)) {
\OCP\Util::writeLog('user_ldap', 'readAttribute: '.$dn.' found', \OCP\Util::DEBUG);
return array();
}
$er = ldap_first_entry($cr, $rr);
if(!is_resource($er)) {
//did not match the filter, return false

View File

@ -149,9 +149,8 @@ class USER_LDAP extends lib\Access implements \OCP\UserInterface {
return false;
}
//if user really still exists, we will be able to read his objectclass
$objcs = $this->readAttribute($dn, 'objectclass');
if(!$objcs || empty($objcs)) {
//check if user really still exists by reading its entry
if(!is_array($this->readAttribute($dn, ''))) {
$this->connection->writeToCache('userExists'.$uid, false);
return false;
}