Return true or false from readAttribute if $attr is empty

This way, readAttribute can act as an existence checker.
This commit is contained in:
Lorenzo M. Catucci 2012-11-05 15:38:49 +01:00
parent ccbf4e993c
commit 510191db68
2 changed files with 10 additions and 6 deletions

View file

@ -40,9 +40,10 @@ abstract class Access {
* @brief reads a given attribute for an LDAP record identified by a DN
* @param $dn the record in question
* @param $attr the attribute that shall be retrieved
* @returns the values in an array on success, false otherwise
* if empty, just check the record's existence
* @returns true or the values in an array on success, false otherwise
*
* Reads an attribute from an LDAP entry
* Reads an attribute from an LDAP entry or check if entry exists
*/
public function readAttribute($dn, $attr, $filter = 'objectClass=*') {
if(!$this->checkConnection()) {
@ -57,10 +58,14 @@ 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 true;
}
$er = ldap_first_entry($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(!$this->readAttribute($dn, '') ) {
$this->connection->writeToCache('userExists'.$uid, false);
return false;
}