Log warning when no uid was found for user

In some incomplete setups (like mine) it can happen that the uid
attribute of users is missing.

To be able to find out that something is wrong, a debug message is now
logged when it has not been found.

Backport of 59f9107dd9497d2eb9bd61f5eb8d893dd8fcb766 from master

diff --git a/apps/user_ldap/group_ldap.php b/apps/user_ldap/group_ldap.php
index 0d3a70575bae1e46922b5643242fe40471c3dd2f..48d097c360091d35cf2a1ae92a9b5dcdacae5254 100644 (file)
--- a/apps/user_ldap/group_ldap.php
+++ b/apps/user_ldap/group_ldap.php
@@ -283,6 +283,10 @@ class GROUP_LDAP extends BackendUtility implements \OCP\GroupInterface {
                        $uid = $userDN;
                } else if(strtolower($this->access->connection->ldapGroupMemberAssocAttr) === 'memberuid') {
                        $result = $this->access->readAttribute($userDN, 'uid');
+                       if ($result === false) {
+                               \OCP\Util::writeLog('user_ldap', 'No uid attribute found for DN ' . $userDN . ' on '.
+                                       $this->access->connection->ldapHost, \OCP\Util::DEBUG);
+                       }
                        $uid = $result[0];
                } else {
                        // just in case